CN119907408A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN119907408A CN119907408A CN202411051547.4A CN202411051547A CN119907408A CN 119907408 A CN119907408 A CN 119907408A CN 202411051547 A CN202411051547 A CN 202411051547A CN 119907408 A CN119907408 A CN 119907408A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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Abstract
本发明公开了一种显示面板及显示装置。显示面板包括：第一显示区和第二显示区，所述第二显示区至少部分围绕所述第一显示区，所述第一显示区的透光率大于所述第二显示区的透光率；第一走线层，设置于所述衬底的一侧，位于所述第一显示区；多个发光单元，设置于所述衬底的一侧，位于所述第一显示区和所述第二显示区，所述发光单元包括第一电极和第二电极；其中，所述第一走线层中的其中一走线连接位于所述第一显示区的至少两个所述第一电极，和/或，所述第一走线层中的其中一走线连接位于所述第一显示区的至少两个所述第二电极，实现同一驱动信号对第一显示区中多个发光单元进行驱动，减少第一显示区的布线数量，提升第一显示区的透光率。
The present invention discloses a display panel and a display device. The display panel comprises: a first display area and a second display area, wherein the second display area at least partially surrounds the first display area, and the transmittance of the first display area is greater than the transmittance of the second display area; a first wiring layer, which is arranged on one side of the substrate and located in the first display area; a plurality of light-emitting units, which are arranged on one side of the substrate and located in the first display area and the second display area, and the light-emitting units comprise a first electrode and a second electrode; wherein one of the wirings in the first wiring layer connects at least two of the first electrodes located in the first display area, and/or one of the wirings in the first wiring layer connects at least two of the second electrodes located in the first display area, so as to realize driving of multiple light-emitting units in the first display area by the same driving signal, reduce the number of wirings in the first display area, and improve the transmittance of the first display area.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display panel and a display device.
Background
Organic Light-Emitting Diode (OLED) display panels have gained great attention in the display industry due to their faster response time, larger viewing angle, higher contrast, lighter weight, low power, and ease of formation on flexible substrates. At present, the OLED display panel has defects in the application of a full screen.
Disclosure of Invention
The invention provides a display panel and a display device, wherein the transmission of cathode signals is realized in the whole area of a first display area with an isolation structure.
In a first aspect, an embodiment of the present invention provides a display panel, including a first display area and a second display area, where the second display area at least partially surrounds the first display area, and a light transmittance of the first display area is greater than a light transmittance of the second display area, where the display panel further includes:
a substrate;
the first wiring layer is arranged on one side of the substrate and is positioned in the first display area;
the light-emitting units are arranged on one side of the substrate and positioned in the first display area and the second display area, and each light-emitting unit comprises a first electrode and a second electrode;
One of the first wiring layers is connected with at least two first electrodes located in the first display area, and/or one of the first wiring layers is connected with at least two second electrodes located in the first display area.
Optionally, the display panel further includes:
The isolation layer comprises a plurality of first isolation structures positioned in the first display area, wherein the first isolation structures are enclosed to form a first isolation opening, and the second electrode of the light-emitting unit arranged in the first display area is positioned in the corresponding first isolation opening and is electrically connected with the corresponding first isolation structure;
The first wiring layer comprises at least one first wiring structure, and the at least one first wiring structure is connected with at least two first isolation structures;
Preferably, the plurality of first isolation structures are arranged at intervals.
Optionally, the display panel includes a plurality of pixels, where the pixels include at least two light emitting units, and the at least one first routing structure includes a plurality of first routing structures, where the first routing structures are connected to the first isolation structures corresponding to the light emitting units in the at least two pixels;
Optionally, the plurality of light emitting units are arranged to form a plurality of first pixel rows and a plurality of second pixel rows, the first pixel rows and the second pixel rows are alternately arranged in a first direction, the pixels include first pixels and second pixels, the first pixels are arranged in the first pixel rows along a second direction, the second pixels are arranged in the second pixel rows along the second direction, and an included angle is formed between the first direction and the second direction, wherein the first routing structure is connected with the first isolation structure corresponding to the light emitting unit in at least one first pixel and the first isolation structure corresponding to the light emitting unit in at least one second pixel;
Optionally, the first wiring structure is connected to the first isolation structure corresponding to the light emitting unit in at least one first pixel and at least one second pixel adjacent in the second direction;
optionally, the light emitting colors of the light emitting units corresponding to the first isolation structures connected by the first routing structure are the same.
Optionally, the at least one first routing structure includes a first routing structure, wherein:
The first wiring structure is connected with the plurality of first isolation structures;
optionally, the first wiring structure connects the plurality of first isolation structures and the second electrode of the light emitting unit disposed in the second display area;
Optionally, the isolation layer further includes a second isolation structure located in the second display area, the second isolation structure encloses to form a plurality of second isolation openings, the second electrode of the light emitting unit disposed in the second display area is located in the corresponding second isolation opening and is electrically connected with the second isolation structure, and the first wiring structure connects the second isolation structure and the plurality of first isolation structures.
Optionally, the display panel further includes:
the pixel limiting layer is positioned on one side of the first wiring layer and the first electrode, which is far away from the substrate, and is arranged on the first display area and the second display area, and the isolating layer is positioned on one side of the pixel limiting layer, which is far away from the substrate;
the pixel limiting layer arranged in the first display area comprises a via hole, and the at least one first wiring structure is connected with the at least two first isolation structures through the via hole.
Optionally, the first routing structure and the first electrode are arranged on the same layer;
Or, the first wiring structure is arranged on one side of the first electrode close to the substrate;
optionally, the first routing structure is disposed adjacent to the first electrode;
Optionally, the display panel further comprises at least one conductive layer arranged between the first electrode and the substrate, wherein the first electrode is connected with a pixel driving circuit through the conductive layer;
or, the first wiring structure is arranged on one side of the first electrode away from the substrate;
Optionally, a spacer is disposed between the first isolation structures, the orthographic projection of the first electrode on the substrate and the orthographic projection of the spacer on the substrate do not overlap, and the orthographic projection of the first wiring structure on the substrate and the orthographic projection of the spacer on the substrate overlap.
Optionally, the display panel further includes a plurality of pixels, where the pixels include at least two light emitting units, and the first routing layer includes a plurality of second routing structures, and the second routing structures are connected to the first electrodes corresponding to the light emitting units in the at least two pixels;
Optionally, the plurality of light emitting units are arranged to form a plurality of first pixel rows and a plurality of second pixel rows, the first pixel rows and the second pixel rows are alternately arranged in a first direction, the pixels include first pixels and second pixels, the first pixels are arranged in the first pixel rows along a second direction, the second pixels are arranged in the second pixel rows along the second direction, and the first direction and the second direction have included angles;
the second wiring structure is connected with the first electrode corresponding to the light emitting unit in at least one first pixel and the first electrode corresponding to the light emitting unit in at least one second pixel;
optionally, the second wiring structure is connected to the first electrode corresponding to the light emitting unit in at least one first pixel and at least one second pixel adjacent in the second direction;
Optionally, the first electrodes connected by the second wiring structure correspond to the same light emitting color of the light emitting unit.
Optionally, the second wiring structure is disposed on a side of the first electrode close to the substrate;
Optionally, the second wiring structure is disposed adjacent to the first electrode;
Optionally, the display panel further comprises at least one conductive layer arranged between the first electrode and the substrate, the first electrode is connected with the pixel driving circuit through the conductive layer, and the second wiring structure and the conductive layer are arranged on the same layer.
Or, the second wiring structure is arranged on one side of the first electrode away from the substrate;
optionally, the second wiring structure at least completely covers the corresponding first electrode;
Optionally, the display panel further comprises a driving circuit layer, wherein the driving circuit layer is located in the second display area and arranged on one side of the substrate, the driving circuit layer comprises a plurality of pixel driving circuits, and the first electrode is connected with the pixel driving circuits of the second display area through the conducting layer.
Optionally, the first wiring layer includes at least one first wiring structure and a plurality of second wiring structures, the at least one first wiring structure connects at least two of the second electrodes located in the first display area, and the second wiring structure connects at least two of the first electrodes located in the first display area;
Optionally, the at least one first routing structure and the plurality of second routing structures are arranged on the same layer and at intervals.
Optionally, the plurality of light emitting units includes a first color light emitting unit, a second color light emitting unit, and a third color light emitting unit, wherein:
The first pixel and the second pixel each include a first row including the first color light emitting unit and the second color light emitting unit arranged in the second direction, and a second row including a plurality of third color light emitting units arranged in the second direction;
In the first direction, the first color light emitting units in the first pixels and the second color light emitting units in the second pixels are alternately arranged;
in the first direction, the second color light emitting units in the first pixels and the first color light emitting units in the second pixels are alternately arranged.
Optionally, the orthographic projection of the first color light emitting unit located in the first display area on the substrate is smaller than the orthographic projection of the first color light emitting unit located in the second display area on the substrate, and/or,
The orthographic projection of the second color light emitting unit located in the first display area on the substrate is smaller than the orthographic projection of the second color light emitting unit located in the second display area on the substrate, and/or,
The orthographic projection of the third color light emitting unit positioned in the first display area on the substrate is smaller than that of the third color light emitting unit positioned in the second display area on the substrate.
Optionally, the second electrode in the first display area is of a unitary structure;
The first wiring layer comprises a plurality of second wiring structures, and the second wiring structures are connected with at least two first electrodes positioned in the first display area;
Preferably, the material of the first electrode located in the first display region includes indium tin oxide.
Optionally, the display panel further includes:
the isolation layer comprises a first isolation structure located in the first display area, a plurality of first isolation openings are formed by enclosing the first isolation structure, and the second electrodes of the light emitting units arranged in the first display area are located in the corresponding first isolation openings and are electrically connected with the first isolation structure.
In a second aspect, an embodiment of the present invention provides a display device, including a display panel according to any embodiment of the present invention.
According to the embodiment of the invention, the first wiring layer is arranged between the substrate and the isolation structure, and the first wiring layer is used for connecting at least two first electrodes and/or at least two second electrodes, so that the same driving signal is used for driving a plurality of light emitting units in the first display area, the wiring quantity of the first display area is reduced, and the light transmittance of the first display area is improved.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
Fig. 2 is a schematic diagram of a cross-sectional structure of a display panel AA' according to an embodiment of the invention;
fig. 3 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 4 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 5 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 6 is a schematic diagram of a cross-sectional structure of a BB' position of a display panel according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 8 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
Fig. 9 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 10 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 11 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 12 is a schematic diagram showing a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
fig. 13 is a schematic diagram showing a cross-sectional structure of another display panel AA' according to an embodiment of the invention;
Fig. 14 is a schematic layout diagram of a light emitting unit of a partial area of a display panel according to an embodiment of the present invention;
fig. 15 is a schematic diagram showing a light emitting unit arrangement of a partial area of a display panel according to another embodiment of the present invention;
fig. 16 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention, referring to fig. 1, the display panel includes a first display area AA1 and a second display area AA2, the second display area AA2 at least partially surrounds the first display area AA1, and the light transmittance of the first display area AA1 is greater than the light transmittance of the second display area AA 2.
Specifically, the second display area AA2 may be disposed on one side of the first display area AA1, or may partially or completely surround the first display area AA1. The first display area AA1 may be used as an Under-screen image capturing area (render DASPLAY CAMERA, UDC), where the transmittance of the first display area AA1 is greater than the transmittance of the second display area AA2, and the setting position of the first display area AA1 may correspond to the position of the Under-screen sensor device, where the correspondence means that the front projection of the Under-screen sensor device on the display panel overlaps at least partially or entirely with the first display area AA1, that is, the front projection of the Under-screen sensor device on the display panel is located in the first display area AA1, or entirely located in the first display area AA1. So that more light can be received by the sensing device through the first display area AA1. By way of example, the sensing devices may include camera devices, light sensors, ultrasonic sensors, fingerprint sensors, radar sensors, and the like. The second display area AA2 may be a normal display area, wherein the resolution of the first display area AA1 may be the same as or different from the resolution of the second display area AA2, and the shape of the first display area AA1 may be circular, rectangular, square, diamond, etc., which is not limited herein.
Fig. 2 is a schematic diagram of a cross-sectional structure of a display panel AA' according to an embodiment of the present invention, referring to the figure, the display panel includes a substrate 110, a first trace layer 310 disposed on one side of the substrate 110 and located in a first display area AA1;
A plurality of light emitting units disposed at one side of the substrate 110 and located in the first and second display regions, the light emitting units including first and second electrodes 131 and 511;
One of the first traces 310 is connected to at least two first electrodes 131 in the first display area AA1, and/or one of the first traces 310 is connected to at least two second electrodes 511 in the first display area AA 1.
Specifically, depending on the material of the substrate 110, the substrate 110 may be a flexible substrate 110, such as a polyimide substrate 110, or may be a rigid substrate 110, such as a glass substrate 110. The anode layer 130 is provided with a plurality of first electrodes 131, and the plurality of first electrodes 131 are disposed at intervals. A light emitting function layer is disposed in the pixel opening S1, the exposed first electrode 131 in the pixel opening S1 is connected to the light emitting function layer 510, the second electrode 511 is disposed on the side of the light emitting function layer away from the substrate 110, and the first electrode 131, the light emitting function layer and the second electrode 511 form a light emitting unit. The first electrode 131 may serve as an anode of the light emitting unit and be connected to the driving circuit layer, a driving current formed in the driving circuit layer may provide a driving signal to the anode of the light emitting unit, and the second electrode may serve as a cathode of the light emitting unit.
In order to improve the transmittance of the first display area AA1, the first wiring layer 310 is disposed on one side of the substrate 110, and corresponding wirings can be formed by using the patterned first wiring layer 310, and the first electrode 131 between different light emitting units in the first display area AA1 is connected through the wirings, and/or the second electrode 511 between different light emitting units in the first display area AA1 is connected through the wirings, so that the light emitting units share the anode signal and/or the cathode signal, thereby reducing the anode wiring and/or the cathode wiring in the corresponding first display area AA1, and being beneficial to improving the transmittance of the first display area AA 1. For example, in fig. 2, at least two first electrodes 131 of the first display area are connected by a wire in the first wire layer 310, that is, the first electrodes 130 between the light emitting units are connected, so that a group of anode signals can be shared, and a group of driving circuits can be shared, thereby reducing the structural layout of the driving circuits and further improving the transmittance of the first display area AA 1.
According to the embodiment of the invention, the first wiring layer is arranged between the substrate and the isolation structure, and the first wiring layer is used for connecting at least two first electrodes and/or at least two second electrodes, so that the same driving signal is used for driving a plurality of light emitting units in the first display area, the wiring quantity of the first display area is reduced, and the light transmittance of the first display area is improved.
In some embodiments, the second electrode 511 may adopt a fine metal mask technology (FANE METAL MASK, FFM), the second electrodes 511 disposed at intervals are formed in the first display area AA1 and/or the second display area AA2, and at least two second electrodes 511 may be connected by a wire in the first wire layer, that is, at least two second electrodes 511 between the light emitting units are connected, and a group of cathode signals may be shared, so that the shielding area of the cathode in the first display area AA1 may be reduced, and the transmittance of the first display area AA1 may be further improved. In some cases, the first electrodes between different light emitting units in the first display area AA1 may be connected through the second routing structure according to the wiring requirement, the light emitting units may implement a common anode signal, and the number of wirings in the first display area is reduced, so as to improve the light transmittance of the first display area.
In some embodiments, fig. 3 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the present invention, and referring to fig. 3, the display panel further includes an isolation layer including a plurality of first isolation structures 140 located in a first display area, the first isolation structures 140 enclose to form first isolation openings, and second electrodes of light emitting units disposed in the first display area AA1 are located in the corresponding first isolation openings and electrically connected to the corresponding first isolation structures 140, wherein the first routing layer includes at least one first routing structure 311, and the at least one first routing structure 311 is connected to at least two first isolation structures 140.
Specifically, the first isolation structure 140 encloses to form a first isolation opening, the first isolation opening is communicated with the pixel opening S1, the first isolation structure 140 is insulated from the first electrode 131, the first isolation structure 140 is connected with the second electrode, and the cathode power signal can be provided to the second electrode 511 through the first isolation structure 140. The first isolation structure 140 can be used as a mask when the light-emitting functional layer is manufactured, so that the use of the mask is saved, the manufacturing cost of the display panel is reduced, the distance requirement between adjacent pixel openings S1 can be reduced, the pixel density of the display panel is improved, independent light-emitting units can be formed by utilizing the first isolation structure 140, and the performance of each light-emitting unit can be adjusted independently.
A first wiring layer 310 is disposed between the substrate 110 and the first isolation structure 140, where the first wiring layer includes at least one first wiring structure, and illustratively, the first wiring structure 311 is formed by a patterned design of the first wiring layer 310, and different first isolation structures 140 are connected by the first wiring structure 311, so that electrical connection is formed between the first isolation structures 140, so as to implement cathode signal transmission in the first display area AA 1. It should be noted that the first wiring layer 310 is insulated from other metal layers. In order to increase the light transmittance of the first display area AA1, the first routing layer 310 may be made of a transparent conductive material, such as indium tin oxide (Andaum tan oxade, ITO). In the embodiment of the invention, the first wiring layer 310 is arranged between the substrate and the isolation structure, and the first wiring layer 310 is utilized to connect different first isolation structures 140, so that the power signal transmission of the first display area can be realized, compared with the second electrode 511 which adopts a fine metal mask technology, the first display area AA1 and/or the second display area AA2 are covered with the whole cathode layer, and the first isolation structures 140 are arranged at intervals, so that the shielding area of the first display area AA1 can be reduced, and the transmittance of the first display area AA1 is improved.
Based on the above embodiment, the first isolation structures 140 of the first display area AA1 may also be integrated, that is, different first isolation structures 140 have a connection therebetween to form the first isolation structures 140 with mesh connection, and since the second electrodes are located in the corresponding first isolation openings and electrically connected with the corresponding first isolation structures 140, the mesh-connected first isolation structures 140 may provide the cathode signal transmission of the first display area AA 1. In some cases, according to the first electrode between different light emitting units in the first display area AA1, connection can be achieved through the second wiring structure 410 according to wiring requirements, the light emitting units can achieve common anode signals, the same driving signal is achieved to drive a plurality of light emitting units in the first display area, the number of wirings in the first display area is reduced, and light transmittance of the first display area is improved.
With continued reference to fig. 3, in some embodiments, the at least one first routing structure includes one first routing structure 311, wherein the first routing structure 311 connects the plurality of first isolation structures 140. Specifically, the anode layer 130 is disposed between the substrate 110 and the first isolation structure 140, the anode layer 130 is provided with a plurality of first electrodes 131 spaced apart, the orthographic projection of the first electrodes 131 on the substrate 110 overlaps with the orthographic projection of the pixel openings S1 on the substrate 110, the first electrodes 131 are exposed in the pixel openings S1, and the different first electrodes 131 are insulated from each other. The first isolation structures 140 between the at least two first electrodes 131 may be connected through the first routing structures 311, and illustratively, the first isolation structures 140 are disposed at intervals, and a spacer is formed between the first isolation structures 140 to insulate the first electrodes 131 from each other. The insulating spacer between the first electrodes 131 may provide a first wiring structure 311, and the first wiring structure 311 is insulated from the first electrodes 131. In some embodiments, the spacing area between the first electrodes 131 is overlapped with the spacing orthographic projection between the first isolation structures 140, so that the first wiring layer 310 is connected to the first isolation structures 140. For example, the first routing layer 310 may be disposed in the same layer as the first electrode 131, so that the number of film layers may be reduced, the thickness of the display panel may be reduced, and the materials of the first routing layer 310 and the anode layer 130 may be the same, so that the same layer may be prepared, and the preparation process steps may be reduced.
A light emitting functional layer is disposed in the pixel opening S1, the exposed first electrode 131 in the pixel opening S1 is connected with the light emitting functional layer, a second electrode is disposed on one side of the light emitting functional layer far away from the substrate 110, the first isolation structure 140 is connected with the second electrode, and the first electrode 131, the light emitting functional layer and the second electrode form a light emitting unit. When the power supply modes of the first display area AA1 and the second display area AA2 are the same, for example, when one pixel driving circuit supplies one light emitting unit, the first electrode 131 of one light emitting unit may be connected to one pixel driving circuit. In some embodiments, in order to further increase the light transmittance of the first display area AA1, the first display area AA1 is not provided with pixel driving circuits, but a corresponding driving circuit layer is provided in the second display area AA2, and a plurality of pixel driving circuits are provided in the driving circuit layer of the second display area AA 2. At least one conductive layer 320 is disposed between the anode layer 130 and the substrate 110 in the first display area AA1, and the first electrode 131 of the light emitting unit in the first display area AA1 is connected to a pixel driving circuit in the second display area AA2 through the at least one conductive layer 320. The pixel driving circuit outputs a corresponding driving current to the connected light emitting units through the conductive layer 320. A first planarization layer 330 is further disposed between the anode layer 130 and the at least one conductive layer 320, and the first planarization layer 330 may planarize a surface of the conductive layer away from the substrate 110. Illustratively, the material of the first planarization layer 330 may be an organic glue, which may ensure planarization reliability of the first planarization layer 330. The first flat layer 330 is provided with a first via hole through which the anode layer 130 and the conductive layer 330 are connected.
In some embodiments, fig. 4 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention, referring to fig. 4, the display panel may include two conductive layers 320, wherein the two conductive layers 320 are stacked between the anode layer 130 and the substrate 110, and the first electrode 131 is connected to at least one pixel driving circuit of the second display area AA2 through the two conductive layers 320. A first flat layer 331 is arranged between the first conductive layer 321 and the anode layer 130, a second flat layer 332 is arranged between the first conductive layer 321 and the second conductive layer 322, a first through hole is arranged on the first flat layer 331, a second through hole is arranged on the second flat layer 332, the anode layer 130 and the first conductive layer 321 are connected through the first through hole, the second conductive layer 322 and the first conductive layer 321 are connected through the second through hole, and the circuit space is increased by arranging the multi-layer conductive layer 320, so that the light transmittance of a first display area is prevented from being influenced by circuit congestion. In some embodiments, a second via may also extend through the first planar layer 331 and the second planar layer 332, and the anode layer 130 may be directly connected to the second conductive layer 322 through the second via.
In some embodiments, fig. 5 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the present invention, referring to fig. 5, a first wiring structure 311 is disposed on a side of an anode layer 130 near a substrate 110, for example, the first wiring structure 311 is disposed on the same layer as a first conductive layer 321 or a second conductive layer 322, in an embodiment of the present invention, taking the same layer as the first conductive layer 321 as an example, a first wiring layer 310 is disposed on the same layer as the first conductive layer 321, a first flat layer 331 is disposed with a corresponding first via hole, the first via hole penetrates through an insulating layer between the first wiring layer 310 and a first isolation structure 140 and the anode layer 130, and the different first isolation structures 140 and the first wiring layer 310 are connected through the corresponding first via hole.
In some embodiments, fig. 6 is a schematic diagram of a cross-sectional structure of a BB' position of a display panel according to an embodiment of the present invention, and referring to fig. 6 in conjunction with fig. 3, at least one first routing structure includes a first routing structure 311, where the first routing structure 311 is connected to a plurality of first isolation structures 140. Specifically, in the first display area AA1, the first isolation structures 140 disposed at intervals may be interconnected through the first routing structures 311 of the first routing layer 310, so that the regional cathode signal transmission in the first display area may be implemented.
Optionally, the first wiring structure 311 connects the plurality of first isolation structures 140 and the second electrode of the light emitting unit disposed in the second display area AA2, that is, the first wiring structure 311 forms an electrical connection between the first isolation structures 140 in the first display area AA1, and connects the first wiring structure 311 with the second electrode of the light emitting unit in the second display area AA2 between the first display area AA1 and the second display area AA2, so that the cathode signal of the second display area AA2 can be introduced into the first display area AA1, without disposing a circuit for introducing the cathode signal transmission in the first display area AA1, thereby further reducing the number of wirings in the first display area AA 1. By connecting the plurality of first isolation structures 140 with the second electrodes of the light emitting units of the second display area AA2, the cathode signal can be connected into the first display area AA1 from all directions, so that the influence of the line resistance is reduced, and the display uniformity is improved.
Optionally, with continued reference to fig. 6, the isolation layer further includes a second isolation structure 160 located in the second display area AA2, where the second isolation structure 160 encloses to form a plurality of second isolation openings, and a second electrode of the light emitting unit disposed in the second display area AA2 is located in the corresponding second isolation opening and is electrically connected to the second isolation structure, and the first wiring structure connects the second isolation structure and the plurality of first isolation structures. Specifically, the second isolation structure 160 encloses to form a second isolation opening, the second isolation opening is communicated with the pixel opening of the second display area AA2, the second isolation structure 160 is insulated from the first electrode 131, the second isolation structure 160 is connected with the second electrode of the second display area AA2, and the cathode power signal can be provided to the second electrode of the second display area AA2 through the second isolation structure 160. The second isolation structure 160 can be used as a mask when the light-emitting functional layer is manufactured, so that the use of the mask is saved, the manufacturing cost of the display panel is reduced, the distance requirement between adjacent pixel openings can be reduced, and the pixel density of the display panel is improved. Between the first display area AA1 and the second display area AA2, the first wiring structure 311 is connected with the second isolation structure 160 of the second display area AA2, so that the cathode signal of the second display area AA2 can be introduced into the first display area AA1, and a line for introducing the cathode signal transmission is not required to be arranged in the first display area AA1, so that the wiring quantity of the first display area AA1 is further reduced. Wherein the first isolation structure 140 and the second isolation structure 160 may be prepared in the same layer.
With continued reference to fig. 3-6, the display panel further includes a pixel defining layer 150 disposed on a side of the first wiring layer 310 and the first electrode 131 away from the substrate 110 and disposed on the first display area AA1 and the second display area AA2, and an isolation layer disposed on a side of the pixel defining layer 150 away from the substrate 110, wherein the pixel defining layer 150 disposed on the first display area AA1 includes a via hole, and at least one first wiring structure 311 is connected to at least two first isolation structures through the via hole. Specifically, the pixel defining layer 150 is disposed between the anode layer 130 and the first isolation structure 140, and the pixel defining layer 150 may define the placement position of the light emitting functional layer of the light emitting unit in the subsequent process. In some embodiments, a spacer S2 is disposed between the first isolation structures 140, between the first isolation structures 140 and the second isolation structures 160, and/or between the second isolation structures 160, where the front projection of the first electrode 131 on the substrate 110 and the front projection of the spacer S2 on the substrate 110 do not overlap, the first routing structure 311 is disposed in the spacer S2, and the space of the spacer S2 may be used for laying, so that the influence of the first electrode 131 is avoided, and the distance between the first routing structure 311 and the first isolation structures 140 at two ends of the spacer S2 in the thickness direction is closest, thereby reducing the wiring difficulty. The pixel defining layer 150 covers the spacer S2 between the first electrodes 131, and the pixel defining layer 150 is provided with a via hole in the spacer S2, and the first wiring structure 311 is connected to the first isolation structure 140 through the via hole.
In some embodiments, the first routing layer 310 includes at least one first routing structure 311 and a plurality of second routing structures 410, the at least one first routing structure 311 is connected to the at least two second electrodes 511 located in the first display area AA1, and the second routing structure 410 is connected to the at least two first electrodes 311 located in the first display area AA 1.
Specifically, in the first display area AA1, the second electrodes 511 may be interconnected by at least one first routing structure 311 to form a circuit, and the first electrodes 311 are connected by the second routing structure 410, so that the connected light emitting units in the first display area AA1 may share the anode and cathode signal lines, thereby reducing the wiring and increasing the light transmittance of the first display area AA 1.
For example, at least two light emitting units may be powered by one pixel driving circuit in the first display area AA1, thereby reducing the number of pixel driving circuits, and also reducing the number of connection lines of the first electrodes 131 of the light emitting units and the pixel driving circuits, and reducing the wiring. When at least two light emitting cells are supplied with power by one pixel driving circuit, connection is required between the corresponding first electrodes 131 of the light emitting cells. The second electrodes between the light emitting cells may also be interconnected by the first wiring structure 311, thereby reducing the wiring of the cathode signal line.
Based on this, fig. 7 is a schematic diagram of a cross-sectional structure of another display panel AA 'according to an embodiment of the present invention, fig. 8is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the present invention, referring to fig. 7 and 8, the first routing layer 310 further includes a plurality of second routing structures 410, the second routing structures 410 are disposed between the substrate 110 and the first isolation structures 140, the first electrodes 131 are insulated, the second routing structures 410 are connected with at least two first electrodes 131, and corresponding connection between other first electrodes 131 can be achieved through the second routing structures 410 according to needs. The second wiring structure 410 may be disposed on a surface of the first electrode 131 near the substrate 110 or on a surface of the first electrode 131 far from the substrate 110, and overlapping may be achieved by using the second wiring structure 410 and the first electrode 131, so as to simplify the process difficulty of connecting the two, where the second wiring structure 410 may partially or fully cover the first electrode 131, and when the second wiring structure 410 partially covers the first electrode 131, an overlapping area between the second wiring structure 410 and the first electrode 131 is increased, and stability of driving current transmission is improved. When the second wiring structure 410 covers the first electrode 131, the second wiring structure 410 covers the side edge of the first electrode 131, and the second wiring structure 410 can also be used as a protective layer of the first electrode 131, so that the first electrode 131 is prevented from being oxidized, and the reliability of the display panel is improved. When the second wiring structure 410 entirely covers the surface of the first electrode 131 far from the substrate 110, the second wiring structure 410 is exposed in the pixel opening S1, and the light emitting functional layer is indirectly connected with the first electrode 131 through the second wiring structure 410. At least one selected first electrode 131 among the connected first electrodes 131 is connected to at least one pixel driving circuit of the second display area AA2 through the conductive layer 320. For example, the selection of the first electrode 131 after connection may refer to a nearby principle, for example, the first electrode 131 closer to the pixel driving circuit to be connected may be selectively connected to the conductive layer, so that the wiring distance between the conductive layer and the pixel driving circuit may be reduced. In some embodiments, two or more first electrodes 131 connected together in the same group may be selected to be connected to the conductive layer, so as to improve the stability of driving current transmission.
In some embodiments, fig. 9 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the present invention, referring to fig. 9, the second trace structure 410 may also be disposed in the same layer as the first conductive layer 321 or the second conductive layer 322, and in the embodiment of the present invention, taking the second trace structure 410 and the first conductive layer 321 disposed in the same layer as the first conductive layer 321 as an example, the first flat layer 331 is provided with corresponding vias, and at least two first electrodes 131 and the second trace structure 410 are connected through the corresponding vias.
In some embodiments, the first routing structure 311 and the second routing structure 410 may be disposed in a same layer, wherein the second routing structure 410 covers a side of the corresponding first electrode 131 facing away from the substrate 110. The first routing structure 311 and the second routing structure 410 may be disposed on a same layer on a side of the first electrode 131 away from the substrate 110, wherein the second routing structure 410 covers a side of the corresponding first electrode 131 facing the substrate 110. The materials of the first trace structure 311 and the second trace structure 410 may be the same, for example, ITO material, so as to improve light transmittance. The first routing structure 311 and the second routing structure 410 may be disposed in different layers, for example, when two or more conductive layers are disposed, the second routing structure 410 may be disposed in the same layer as one of the conductive layers, and the first routing structure 311 may be disposed in the same layer as the other conductive layer.
Optionally, fig. 10 is a schematic diagram of a cross-sectional structure of another display panel AA' provided in an embodiment of the present invention, referring to fig. 8 and fig. 10, the first routing structure 311 and the second routing structure 410 may be arranged in the same layer and at intervals, only one corresponding mask plate needs to be arranged in the preparation process, the types of the mask plates in the rest processes may not be changed, and the first routing structure 311 and the second routing structure 410 may be prepared simultaneously, which further simplifies the manufacturing process, so that the anode and the cathode between the light emitting units in the UDC area are respectively connected by using one layer of the first routing layer 310, which can reduce the number of layers and reduce the thickness of the display panel. The first routing layer 310 may be disposed on a side of the first electrode 131 away from the substrate 110, for example, the first routing layer 310 is disposed adjacent to the first electrode 131, and the preparation process is embodied by preparing the anode layer 130 first and then preparing the first routing layer 310. For example, the first isolation structures 140 have a spacer S2 therebetween, the orthographic projection of the first routing structure 311 on the substrate 110 is located in the spacer S2, the second routing structure 410 is disposed in the spacer S2, and the space of the spacer S2 can be used for laying, so that the influence of the first electrode 131 is avoided, and the distance between the first routing structure 311 and the first isolation structures 140 at two ends of the spacer S2 in the thickness direction is closest, thereby reducing the wiring difficulty.
In some embodiments, fig. 11 is a schematic diagram of a cross-sectional structure of another display panel AA 'according to an embodiment of the invention, and fig. 12 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention, referring to fig. 11 and 12, a first trace layer 310 is disposed on a side of a first electrode 131 near a substrate 110, for example, the first trace layer 310 is disposed adjacent to the first electrode 131, and the preparation process is performed by preparing the first trace layer 310 and then preparing an anode layer 130. For example, the first isolation structures 140 have a spacer S2 therebetween, the orthographic projection of the first routing structure 311 on the substrate 110 is located in the spacer S2, the second routing structure 410 is disposed in the spacer S2, and the space of the spacer S2 can be used for laying, so that the influence of the first electrode 131 is avoided, and the distance between the first routing structure 311 and the first isolation structures 140 at two ends of the spacer S2 in the thickness direction is closest, thereby reducing the wiring difficulty.
In some embodiments, the pixel defining layer 150 covers the spacer S2 between the first electrodes 131, and the pixel defining layer 150 is provided with a via hole in the spacer S2, and the first isolation structure 140 is connected to the first isolation structure 140 through the via hole, so that different spacer structures are connected. The second wiring structure 410 covers the first electrode 131 and is connected to the first electrode 131 of another light emitting unit through the spacer S2.
Fig. 13 is a schematic diagram of a cross-sectional structure of another display panel AA' according to an embodiment of the invention, referring to fig. 13, the display panel further includes a light-emitting functional layer 520, the light-emitting functional layer 520 is disposed in the pixel opening S1, and the light-emitting functional layer 520 is connected to the first electrode 131.
Specifically, the pixel opening S1 is provided with a light emitting functional layer 520, and the first electrode 131 may be used as an anode of a light emitting unit, and is connected with the driving circuit layer 120 through the conductive layer 330, where the driving circuit layer 120 includes a plurality of metal layers and insulating layers that are stacked, and devices such as a transistor and a capacitor are formed by using the metal layers, and a corresponding connection relationship is formed, so as to form a pixel driving circuit. The driving current formed in the driving circuit layer 120 may provide a driving signal to the anode of the light emitting unit.
With continued reference to fig. 13, the display panel further includes a second electrode layer 510, where the second electrode layer 510 includes a plurality of second electrodes 511, the second electrodes 511 are disposed on a side of the light-emitting functional layer 520 away from the substrate 110, and the second electrodes 511 are connected to adjacent first isolation structures 140. The first electrode 131, the light emitting function layer 520, and the second electrode 511 form a light emitting unit.
Specifically, the second electrode 511 may be used as a cathode of the light emitting unit, the first electrode 131 generates holes according to the driving signal, the second electrode 511 generates electrons according to the power signal, and the holes and electrons move to the light emitting functional layer 520 to generate light source, so as to realize light emission of the light emitting unit.
In other embodiments, the light emitting functional layer 520 may include a hole injection layer, a hole transport layer, and an electron blocking layer, which are sequentially stacked, between the first electrode 131 and the light emitting layer along the direction in which the first electrode 131 is directed to the second electrode 511, in addition to the light emitting layer. The light emitting functional layer 520 may further include a hole blocking layer, an electron transporting layer, and an electron injecting layer, which are sequentially stacked between the light emitting layer and the second electrode 511, which are not limited herein.
With continued reference to fig. 13, the first isolation structure 140 includes a connection portion 141 and a suspension portion 142, the suspension portion 142 is disposed on a side of the connection portion 141 away from the substrate 110, an orthographic projection of the connection portion 141 on the substrate 110 is located within an orthographic projection of the suspension portion 142 on the substrate 110, and the second electrode 511 is in contact with the connection portion 141. The connection portion 141 and the suspension portion 142 form the suspension type first isolation structure 140, and when the display panel is formed, the connection portion 141 and the suspension portion 142 can be used as a mask, so that the space requirement between adjacent pixel openings S1 can be reduced, and the pixel density of the display panel is improved. The material of the connection portion 141 and the hanging portion 142 is a conductive material, for example, a metal material.
In some embodiments, the first electrode 131 layer includes a first sub-electrode layer, a second sub-electrode layer, and a third sub-electrode layer that are stacked, the third sub-electrode layer being disposed on a side of the first sub-electrode layer away from the array substrate;
Specifically, the first electrode 131 layer serves as an anode of the light emitting device, and has good conductive properties. When the light emitting side of the display panel is located at a side of the light emitting functional layer 520 far away from the first electrode 131 layer, by setting the first sub-electrode layer, the second sub-electrode layer and the third sub-electrode layer which are stacked, the first electrode 131 layer can have a certain light reflecting property on the basis of ensuring that the first electrode 131 layer has a good conductive property, and the light emitting device is used for reflecting the light emitted by the light emitting functional layer 520 to the light emitting side, so that the light emitting efficiency of the light emitting device is improved.
In some embodiments, the material of the second sub-electrode layer includes silver, and in particular, silver has good conductivity and certain light reflection performance, so that the functional requirement of the first electrode 131 layer serving as an anode of the light-emitting device is met.
In some embodiments, the material of the first sub-electrode layer and the third sub-electrode layer comprises indium tin oxide. Specifically, the indium tin oxide is arranged on two sides of the second sub-electrode layer, so that the second sub-electrode layer can be protected, the probability of oxidizing silver of the second sub-electrode layer is reduced, and meanwhile, the light transmission performance of the anode can be guaranteed.
In the foregoing embodiment, the light emitting colors of the light emitting units may be selected according to the actual application scenario, fig. 14 is a schematic diagram of the light emitting unit arrangement of the partial area of the display panel according to the embodiment of the present invention, and referring to fig. 14, the display panel may include a plurality of pixels, where a pixel includes at least two light emitting units, for example, each pixel may include three light emitting units, where the light emitting colors of the light emitting units are red, blue, and green, so as to implement color display. For another example, the pixel may include four light emitting units, which are arranged in a pattern of vertical, horizontal, staggered, diamond-shaped, or square, and the like, and are generally referred to as having four light emitting units of red (R), green (G), blue (B), and green (G), which are not particularly limited herein.
Referring to fig. 14 and fig. 3, in some embodiments, at least one first routing structure includes a plurality of first routing structures 311, where the first routing structures 311 are connected to first isolation structures corresponding to at least one light emitting unit in adjacent pixels, specifically, a first routing layer 310 is disposed between the substrate 110 and the first isolation structures 140, the first routing layer 310 includes at least one first routing structure, and illustratively, the first routing structures 311 are formed by patterning of the first routing layer 310, and different first isolation structures 140 are connected by the first routing structures 311, so that electrical connection is formed between the first isolation structures 140, so as to implement cathode signal transmission in the first display area AA 1.
Optionally, the plurality of light emitting units are arranged to form a plurality of first pixel rows and a plurality of second pixel rows, the first pixel rows and the second pixel rows are alternately arranged in a first direction Y, the pixels include a first pixel 640 and a second pixel 650, the first pixel 640 is arranged in the first pixel row along a second direction X, the second pixel 650 is arranged in the second pixel row along the second direction X, and an included angle is formed between the first direction Y and the second direction X, wherein the first wiring structure 311 is connected with a first isolation structure 140 corresponding to a light emitting unit in at least one first pixel 640 and a first isolation structure 140 corresponding to a light emitting unit in at least one second pixel 650;
Specifically, the first display area AA1 and the second display area AA2 each include a first light emitting unit, a second light emitting unit, and a third light emitting unit, where the first light emitting unit is red, the second light emitting unit is blue, and the third light emitting unit is green, or the first light emitting unit is blue, the second light emitting unit is red, and the third light emitting unit is green. In the embodiment of the invention, taking the first light emitting color as red, the second light emitting color as blue and the third light emitting color as green as an example, taking the first direction Y as the column direction and the second direction X as the row direction as an example, in the first display area AA1, the first isolation structures 140 corresponding to the light emitting units in the first pixels 640 of the first pixel rows and the second pixels 650 of the second pixel rows may be connected in the first direction Y, in some embodiments, the first isolation structures 140 corresponding to the light emitting units in the first pixels 640 of the first pixel rows and the second pixels 650 of the second pixel rows may be connected in the second direction X, so that the connection between the first isolation structures 140 corresponding to the light emitting units in the first pixels 640 and the second pixels 650 in part is realized, and the specific driving of the corresponding light emitting units in the first pixels 640 and the second pixels 650 is realized. In order to improve the uniformity of light emission of the light emitting units with the same color, the light emitting units corresponding to the first isolation structures 140 connected to the first wiring structure 311 have the same light emission color.
In some embodiments, the light emitting colors of the light emitting units corresponding to the first isolation structures 140 connected to the first wiring structure 311 may be different. For example, the first electrodes 311 of the light emitting units of the same light emitting color are connected through the second connection structure 410, and in the embodiment of the present invention, the first isolation structures 140 corresponding to the light emitting units in the first pixel 640 and the second pixel 650 are connected through the first wiring structure 311. In order to reduce the number of pixel driving circuits and the number of connection lines between the first electrodes 131 of the light emitting units and the pixel driving circuits, at least two first electrodes 131 of the light emitting units with the same light emitting color may be connected through the second wiring structure 410, and then the first electrodes 131 connected in series are connected with the pixel driving circuits of the second display area AA2 through the conductive layer, so as to reduce the number of connection lines between the first electrodes 131 and the pixel driving circuits, and realize driving of a plurality of light emitting units under the same driving signal.
With continued reference to fig. 14, the plurality of light emitting units includes a first color light emitting unit 610, a second color light emitting unit 620, and a third color light emitting unit 630, wherein the first pixel 640 and the second pixel 650 each include a first row including the first color light emitting unit 610 and the second color light emitting unit 620 arranged in the second direction X, and a second row including the plurality of third color light emitting units 630 arranged in the second direction X;
in the first direction Y, the first color light emitting units 610 in the first pixels and the second color light emitting units 610 in the second pixels are alternately arranged;
in the first direction Y, the second color light emitting units 620 in the first pixels and the first color light emitting units 610 in the second pixels are alternately arranged.
Specifically, taking the arrangement of the partial areas as an example, the first light-emitting color is red, the second light-emitting color is blue, and the third light-emitting color is green, or the first light-emitting color is blue, the second light-emitting color is red, and the third light-emitting color is green. In the embodiment of the invention, the first light emitting color is red, the second light emitting color is blue, and the third light emitting color is green, for example, the third color light emitting unit 630 is located on an extension line perpendicular to the middle line of the first color light emitting unit 610 and the second color light emitting unit 620 in the adjacent row, and the third color light emitting unit 630 is located on an extension line perpendicular to the middle line of the first color light emitting unit 610 and the second color light emitting unit 620 in the adjacent column, so as to form a pentile arrangement. That is, the pixel includes four light emitting units RGBG, and the first electrodes 131 corresponding to at least two light emitting units having the same light emitting color are connected by the second connection structure 410 according to the power supply ratio of the pixel driving circuit and the pixel. In the embodiment of the present invention, if the power supply relationship is 1:2, the first electrodes 131 of the two red light emitting units are required to be connected in the first display area AA1 through the second connection structure 410, the first electrodes 131 of the two blue light emitting units are required to be connected through the second connection structure 410, and the first electrodes 131 of the four green light emitting units are required to be connected through the second connection structure 410.
The corresponding first routing structure 311 may be disposed between the first display area AA1 and the second display area AA2, so that at least one first isolation structure 140 of the first display area AA1 is connected with at least one first isolation structure 140 of the second display area AA2, and therefore, the cathode signal of the second display area AA2 may be introduced into the first display area AA1, without setting a circuit for introducing cathode signal transmission in the first display area AA1, thereby further reducing the number of wirings of the first display area AA 1. By way of example, the cathode signal of the second display area AA2 is introduced into the first display area AA1 by using the first routing layer 310 around the first display area AA1, so that the cathode signal can be uniformly connected into the first display area AA1 from all directions, thereby reducing the influence of the line resistance and improving the display uniformity.
Fig. 15 is a schematic diagram of a light emitting unit arrangement of a partial area of a display panel according to an embodiment of the present invention, referring to fig. 15, when the power supply relationship of the embodiment of the present invention is 1:3, in a first display area AA1, first electrodes 131 of three red light emitting units are required to be connected through a second connection structure 410, first electrodes 131 of three blue light emitting units are connected through a second connection structure 410, and first electrodes 131 of six green light emitting units are required to be connected through a second connection structure 410. The corresponding first routing structure 311 may be disposed between the first display area AA1 and the second display area AA2, so that at least one first isolation structure 140 of the first display area AA1 is connected with at least one first isolation structure 140 of the second display area AA2, and therefore, the cathode signal of the second display area AA2 may be introduced into the first display area AA1, without setting a circuit for introducing cathode signal transmission in the first display area AA1, thereby further reducing the number of wirings of the first display area AA 1. By way of example, the cathode signal of the second display area AA2 is introduced into the first display area AA1 by using the first routing layer 310 around the first display area AA1, so that the cathode signal can be uniformly connected into the first display area AA1 from all directions, thereby reducing the influence of the line resistance and improving the display uniformity.
In some embodiments, the first display area AA1 and the second display area AA2 each include a first luminescent color luminescent unit 610, a second luminescent color luminescent unit 620, and a third luminescent color luminescent unit 630, the arrangement of the luminescent units in the first display area AA1 and the arrangement of the luminescent units in the second display area AA2 may be the same, the front projection of the first luminescent color luminescent unit 610 in the first display area AA1 on the substrate 110 is smaller than the front projection of the first luminescent color luminescent unit 610 in the second display area AA2 on the substrate 110, and/or the front projection of the second luminescent color luminescent unit 620 in the first display area AA1 on the substrate 110 is smaller than the front projection of the second luminescent color luminescent unit 620 in the second display area AA2 on the substrate 110, and/or the front projection of the third luminescent color luminescent unit 630 in the first display area AA1 on the substrate 110 is smaller than the front projection of the third luminescent color luminescent unit 630 in the second display area AA2 on the substrate 110, so as to provide more light transmission area AA 1.
The embodiment of the invention also provides a display device. As shown in fig. 16, the display device 20 includes a display panel 21 provided in any embodiment of the present invention.
Specifically, the display panel 21 is a display panel provided in any embodiment of the present invention, and when the display device 20 includes the display panel provided in any embodiment of the present invention, the same beneficial effects as those of the display panel 21 provided in any embodiment of the present invention are provided, and are not described herein. The display device 20 may be any product or component with display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, etc., and is not limited herein.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.
Claims (15)
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| CN111785742A (en) * | 2020-08-25 | 2020-10-16 | 京东方科技集团股份有限公司 | A display panel, its manufacturing method, and display device |
| CN113851509A (en) * | 2020-06-26 | 2021-12-28 | 乐金显示有限公司 | Light emitting display device |
| CN117560959A (en) * | 2023-10-31 | 2024-02-13 | 惠科股份有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851509A (en) * | 2020-06-26 | 2021-12-28 | 乐金显示有限公司 | Light emitting display device |
| CN111785742A (en) * | 2020-08-25 | 2020-10-16 | 京东方科技集团股份有限公司 | A display panel, its manufacturing method, and display device |
| CN117560959A (en) * | 2023-10-31 | 2024-02-13 | 惠科股份有限公司 | Display panel and display device |
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