WO2021259123A1 - 显示面板、显示装置 - Google Patents
显示面板、显示装置 Download PDFInfo
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- WO2021259123A1 WO2021259123A1 PCT/CN2021/100548 CN2021100548W WO2021259123A1 WO 2021259123 A1 WO2021259123 A1 WO 2021259123A1 CN 2021100548 W CN2021100548 W CN 2021100548W WO 2021259123 A1 WO2021259123 A1 WO 2021259123A1
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
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- H—ELECTRICITY
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- 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
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
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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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
- H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
- H10K50/131—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit with spacer layers between the electroluminescent layers
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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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/19—Tandem OLEDs
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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
- H10K59/1201—Manufacture or treatment
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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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
Definitions
- the present disclosure relates to the field of display structure design. Specifically, the present disclosure relates to display panels and display devices.
- the current organic light emitting diode (OLED) display pixel structure mainly includes an RGB (red, green, and blue) side-by-side structure and a white light OLED and color film (WOLED+CF) structure.
- RGB red, green, and blue
- WOLED+CF white light OLED and color film
- the present disclosure proposes a display panel.
- the display panel includes a substrate, one side of the substrate is provided with a plurality of pixel units, and each pixel unit includes a first electrode layer, a first light-emitting layer, The second electrode layer, the second light emitting layer, the third electrode layer, the third light emitting layer and the fourth electrode layer, wherein the first light emitting layer, the second light emitting layer and the third light emitting layer emit different colors
- the first light-emitting layer and the second light-emitting layer share the second electrode layer, and the second light-emitting layer and the third light-emitting layer share the third electrode layer.
- the first electrode layer is an anode of the first light-emitting layer
- the second electrode layer is multiplexed as a cathode of the first light-emitting layer and an anode of the second light-emitting layer
- the third electrode layer is multiplexed as a cathode of the second light-emitting layer and an anode of the third light-emitting layer.
- the orthographic projection of the first light-emitting layer on the substrate, the orthographic projection of the second light-emitting layer on the substrate and the third light-emitting layer on the substrate are completely coincident.
- the first light-emitting layer emits green light
- the second light-emitting layer emits red light
- the third light-emitting layer emits blue light
- a pixel defining layer is arranged between the substrate and the first light-emitting layer, and the first electrode layer is arranged in the first opening of the pixel defining layer.
- a first insulating layer is further provided between the second electrode layer and the third electrode layer, and the second light-emitting layer is provided in a second opening defined by the first insulating layer Neutralize part of the surface of the first insulating layer.
- the orthographic projection of the first insulating layer on the substrate is grid-shaped.
- the third electrode layer and the fourth electrode layer are further provided with a second insulating layer, and the third light-emitting layer is provided in a third opening defined by the second insulating layer and Part of the surface of the second insulating layer.
- the orthographic projection of the second insulating layer on the substrate is grid-shaped.
- the width of the first insulating layer and the second insulating layer in a direction parallel to the substrate is 2-5 microns.
- the second electrode layer includes a light-emitting area and a second lead-out area
- the third electrode layer includes a part located in the light-emitting area and a part located in the third lead-out area
- the fourth electrode The layer includes a portion located in the light-emitting area and a portion located in the fourth lead-out area, and a portion located in the second lead-out area, a portion located in the third lead-out area, and a portion located in the fourth lead-out area, respectively Are arranged on different sides of the light-emitting area.
- the material forming the second electrode layer, the third electrode layer, and the fourth electrode layer includes a transparent conductive material.
- the display panel further includes an encapsulation layer disposed on the surface of the plurality of pixel units away from the substrate, the encapsulation layer covering the substrate and each pixel unit The fourth electrode layer and the second insulating layer.
- the present disclosure proposes a display device.
- the display device includes the above-mentioned display panel.
- the present disclosure proposes a manufacturing method of a display panel, including:
- a first electrode layer, a first light-emitting layer, a second electrode layer, a second light-emitting layer, a third electrode layer, a third light-emitting layer, and a fourth electrode layer are sequentially formed on the substrate, wherein the first light-emitting layer, The second light-emitting layer and the third light-emitting layer emit light of different colors, and the first light-emitting layer and the second light-emitting layer share the second electrode layer and are multiplexed as the first light-emitting layer
- the cathode of the second light-emitting layer and the anode of the second light-emitting layer, and the cathode of the second light-emitting layer and the third light-emitting layer share the third electrode layer.
- the method before forming the first electrode layer on the substrate, the method further includes:
- each pixel unit on the substrate where the four lead-out lines are located on different sides of the pixel unit, and the first lead-out line is used to connect to the first electrode layer, The two lead wires are used to connect to the second electrode layer, the third lead wires are used to connect to the third electrode layer, and the fourth lead wires are used to connect to the fourth electrode layer.
- the method before forming the first light-emitting layer on the substrate, the method further includes:
- a pixel defining layer is formed on the substrate, and the first electrode layer is located in a first opening defined by the pixel defining layer.
- the method further includes:
- a first insulating layer is formed on the second electrode layer, and the first insulating layer is used to define a second opening for placing the second light-emitting layer.
- the method further includes:
- a second insulating layer is formed on the third electrode layer, and the second insulating layer is used to define a third opening for placing the third light-emitting layer.
- the method further includes: forming an encapsulation layer on a side of the fourth electrode layer away from the substrate.
- the mask used to make the first light-emitting layer, the mask used to make the second light-emitting layer, and the mask used to make the third light-emitting layer are the same.
- FIG. 1 is a schematic diagram of a cross-sectional structure of a display panel according to an embodiment of the present disclosure
- FIG. 2 is a schematic diagram of a cross-sectional structure of a display panel according to another embodiment of the present disclosure
- FIG. 3 is a schematic diagram of the top view relationship of three electrode layers according to an embodiment of the present disclosure.
- FIG. 4 is a schematic diagram of various steps in a manufacturing method of a display panel according to another embodiment of the present disclosure.
- the two structures in the related art are designed with R/G/B/(W) side by side as a group of pixels, and the required light color is obtained by adjusting the relative intensity of R/G/B, although the sub-pixels are arranged side by side. It is conducive to the thin and light design of the display device, but causes its resolution to be lower.
- the embodiment of the present disclosure proposes a vertical pixel structure design. In each pixel unit, sub-pixels emitting light of different colors are vertically stacked, and two adjacent light-emitting layers above and below share one electrode layer.
- the pixel unit of the vertical structure The pixel density (PPI) can be increased many times, and the common electrode layer is multiplexed as the cathode of the lower light-emitting layer and the anode of the upper light-emitting layer at the same time, so that the thickness of the display panel with the vertical pixel structure design is thinner.
- the shapes of the three light-emitting layers can be completely the same. In this way, the same mask can be used for the three light-emitting layers in the manufacturing process; and the two adjacent upper and lower electrodes are separated by an insulating layer to prevent short circuits.
- the present disclosure proposes a display panel. It should be noted that only one pixel unit is shown in FIGS. 1 to 4 as an example, but in actual design, the substrate may be composed of hundreds or thousands of pixel units arranged in an array.
- the display panel includes a substrate 100.
- a plurality of pixel units P are provided on one side of the substrate 100.
- Each pixel unit P includes a first electrode layer 210, a first electrode layer 210, The light-emitting layer 310, the second electrode layer 220, the second light-emitting layer 320, the third electrode layer 230, the third light-emitting layer 330, and the fourth electrode layer 240, wherein the first light-emitting layer 310, the second light-emitting layer 320, and the third light-emitting layer
- the light emitting layer 330 emits light of different colors, and the first light emitting layer 310 and the second light emitting layer 320 share the second electrode layer 220, and the second light emitting layer 320 and the third light emitting layer 330 share the third electrode layer 230.
- the three-color sub-pixel structure is vertically integrated into one sub-pixel opening, and can be individually controlled, so that the pixel density (PPI) of the display panel is increased by three times; at the same time, the two adjacent to the top and bottom emit light. Sharing the same electrode layer between layers can help reduce the total thickness of the vertical pixel structure.
- the display panel of the embodiment of the present disclosure adopts a vertical pixel structure design, which can increase the pixel density of the display panel by at least three times, and two adjacent light-emitting layers above and below share one electrode layer, so that the middle electrode layer is multiplexed at the same time It is the cathode of the lower light-emitting layer and the anode of the upper light-emitting layer, thereby facilitating the thinning of the display panel designed with the vertical pixel structure.
- the first electrode layer is the anode of the first light-emitting layer
- the second electrode layer is multiplexed as the cathode of the first light-emitting layer and the cathode of the second light-emitting layer.
- the anode, the third electrode layer is multiplexed as the cathode of the second light-emitting layer and the anode of the third light-emitting layer.
- the orthographic projection of the first light-emitting layer 310 on the substrate 100, the orthographic projection of the second light-emitting layer 320 on the substrate 100, and the orthographic projection of the third light-emitting layer 330 on the substrate 100 All coincide completely.
- the three light-emitting layers use the same mask during the manufacturing process, that is, the overlapping area of the three light-emitting layers is the light-emitting area A, which can effectively reduce the manufacturing cost of the display panel and improve the alignment of the manufacturing process Accuracy.
- the first light emitting layer 310 may emit green light (G)
- the second light emitting layer 320 may emit red light (R)
- the third light emitting layer 330 may emit blue light (B).
- the brightness of the green light emitted by the first light-emitting layer 310 at the bottom is the brightest, and the light intensity of the blue light emitted by the third light-emitting layer 330 at the top is the weakest. Therefore, the vertical sequence of GRB from bottom to top can make the white light emitted by the display panel more balanced and lower energy consumption.
- the present application is not limited thereto.
- the first light-emitting layer 310 may emit blue light (B)
- the second light-emitting layer 320 may emit red light (R)
- the third light-emitting layer 330 may emit green light (G).
- a pixel defining layer 410 may be further provided between the substrate 100 and the first light-emitting layer 310, and the first electrode layer 210 may be arranged in the first opening of the pixel defining layer 410 411 in.
- the pixel defining layer 410 can not only define the area of the first electrode layer 210, but can also insulate the first electrode layer 210 serving as the anode of the first light-emitting layer 210 from the second electrode layer 220 of the cathode, thereby avoiding the production process Short-circuit problem caused by misalignment.
- a first insulating layer 420 may be further provided between the second electrode layer 220 and the third electrode layer 230, and the second light-emitting layer 320 may be provided on the first insulating layer 420.
- the second opening 421 is defined and a part of the surface of the first insulating layer 420 is defined.
- the third electrode layer 230 and the fourth electrode layer 240 may also be provided with a second insulating layer 430, and the third light-emitting layer 330 may be provided in the third opening 431 defined by the second insulating layer 430 and the second insulating layer 430. Part of the surface.
- the first insulating layer 420 can isolate the second electrode layer 220 as the anode of the second light-emitting layer 320 from the third electrode layer 230 as the cathode, and the second insulating layer 430 can serve as The third electrode layer 230 of the anode of the third light-emitting layer 330 is isolated from the fourth electrode layer 240 of the cathode, so that the circuit safety of the vertical pixel structure is better.
- the width of the first insulating layer 420 disposed around the light-emitting area in a direction parallel to the substrate may be 2-5 microns
- the width of the second insulating layer 430 disposed around the light-emitting area may be 2-5 microns.
- the width of the insulating layer is greater than the alignment accuracy for forming the light-emitting layer (generally 1.5 micrometers), the problem of short-circuiting of the cathodes of the upper and lower light-emitting layers due to the misalignment can be prevented.
- the orthographic projections of the first insulating layer 420 and the second insulating layer 430 on the substrate 100 are both grid-shaped.
- the second electrode layer 220 may include portions located in the light-emitting area A and the first lead-out area C1 and the third electrode layer 230 may include portions located in the light-emitting area A and the second lead-out area C2.
- the fourth electrode layer 240 may include a portion located in the light-emitting area A and the third lead-out area C3, and a portion located in the first lead-out area C1, a portion located in the second lead-out area C2, and a portion located in the third lead-out area C3 The parts are respectively arranged on different sides of the light-emitting area A.
- the first lead-out area C1 may be arranged above the light-emitting area A
- the second lead-out area C2 may be arranged on the left side of the light-emitting area A
- the third lead-out area C3 may be arranged below the light-emitting area A.
- the right side of the light-emitting area A is left for the lead out of the first electrode layer.
- the materials forming the second electrode layer 220, the third electrode layer 230, and the third electrode layer include transparent conductive materials, specifically, for example, a dielectric/metal/dielectric (DMD) stack structure, etc., so that not only makes transparent
- the three electrode layers facilitate the transmission of light, and the middle two electrode layers can be reused as the cathode of the lower light-emitting layer and the anode of the upper light-emitting layer.
- the material forming the first electrode layer 210 may include indium tin oxide (ITO), so that the luminous efficiency of the first light-emitting layer 310 may be higher.
- ITO indium tin oxide
- the surface of the plurality of pixel units away from the substrate 100 may also be provided with an encapsulation layer 500, and the encapsulation layer 500 covers the substrate 100 and the fourth electrode layer 240, The second insulating layer 420.
- a plurality of pixel units F with a vertical structure design on the substrate 100 can be encapsulated by the encapsulation layer 500, so that the display panel is more resistant to oxygen and water, and the service life of the display panel is longer.
- the present disclosure proposes a display panel with a vertical pixel structure design, which can increase the pixel density of the display panel by at least three times, and the two adjacent light-emitting layers share the same One electrode layer, in this way, the middle electrode layer is simultaneously multiplexed as the cathode of the lower light-emitting layer and the anode of the upper light-emitting layer, thereby facilitating the thinning of the display panel with the vertical pixel structure design.
- a display device includes the above-mentioned display panel.
- the pixel density of the display panel is high and the thickness is thinner, so that the display device has a higher definition and is also beneficial to a thinner and lighter design.
- the specific type of the display device is not particularly limited, such as a display screen, a TV, a mobile phone, a tablet computer, or a smart watch, etc., and those skilled in the art can perform corresponding actions according to the actual use requirements of the display device. The choice is not repeated here.
- the display device also includes other necessary components and structures. Taking the OLED display screen as an example, specifically such as touch panel, housing, control circuit board or power cord, etc., in the field Technicians can make corresponding supplements according to the function of the display device, which will not be repeated here.
- the present disclosure proposes a display device whose display panel has a high pixel density and a thinner thickness, so that the display device has a higher definition and is also conducive to a thinner and lighter design.
- first”, “second”, and “third” are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.
- the features defined with “first”, “second”, and “third” may explicitly or implicitly include at least one of the features.
- “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
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Abstract
Description
Claims (21)
- 一种显示面板,包括衬底,所述衬底的一侧设置有多个像素单元,每个所述像素单元包括依次层叠设置的第一电极层、第一发光层、第二电极层、第二发光层、第三电极层、第三发光层和第四电极层,其中,所述第一发光层、所述第二发光层和所述第三发光层发出不同颜色的光,且所述第一发光层和所述第二发光层共用所述第二电极层,所述第二发光层和所述第三发光层共用所述第三电极层。
- 根据权利要求1所述的显示面板,其中,所述第一电极层为所述第一发光层的阳极,所述第二电极层复用为所述第一发光层的阴极和所述第二发光层的阳极,所述第三电极层复用为所述第二发光层的阴极和所述第三发光层的阳极。
- 根据权利要求1所述的显示面板,其中,所述第一发光层在所述衬底上的正投影、所述第二发光层在所述衬底上的正投影与所述第三发光层在所述衬底上的正投影都完全重合。
- 根据权利要求1所述的显示面板,其中,所述第一发光层发出绿光,所述第二发光层发出红光,且所述第三发光层发出蓝光。
- 根据权利要求1所述的显示面板,其中,所述衬底与所述第一发光层之间设置有像素界定层,且所述第一电极层设置在所述像素界定层的第一开口中。
- 根据权利要求1所述的显示面板,其中,所述第二电极层与所述第三电极层之间还设置有第一绝缘层,且所述第二发光层设置在所述第一绝缘层限定的第二开口中及所述第一绝缘层的部分表面。
- 根据权利要求6所述的显示面板,其中,所述第一绝缘层在所述衬底上的正投影为网格状。
- 根据权利要求6所述的显示面板,其中,所述第三电极层与所述第四电极层还设置有第二绝缘层,且所述第三发光层设置在所述第二绝缘层限定的第三开口中及所述第二绝缘层的部分表面。
- 根据权利要求8所述的显示面板,其中,所述第二绝缘层在所述衬底 上的正投影为网格状。
- 根据权利要求8所述的显示面板,其中,所述第一绝缘层和/或所述第二绝缘层在平行于衬底的方向上的宽度为2~5微米。
- 根据权利要求3所述的显示面板,其中,所述第二电极层包括位于发光区的部分和位于第一引出区的部分,所述第三电极层包括位于所述发光区的部分和位于第二引出区的部分,所述第四电极层包括位于所述发光区的部分和位于第三引出区的部分,并且,位于所述第二引出区的部分、位于所述第三引出区的部分和位于所述第四引出区的部分分别设置在所述发光区的不同侧。
- 根据权利要求1所述的显示面板,其中,形成所述第二电极层、所述第三电极层和所述第四电极层的材料包括透明导电材料。
- 根据权利要求8所述的显示面板,还包括封装层,设置在所述多个像素单元远离所述衬底的表面,所述封装层覆盖所述衬底和每个所述像素单元中的所述第四电极层、所述第二绝缘层。
- 一种显示装置,包括权利要求1~13中任一项所述的显示面板。
- 一种显示面板的制作方法,包括:在衬底上依次形成第一电极层、第一发光层、第二电极层、第二发光层、第三电极层、第三发光层和第四电极层,其中,所述第一发光层、所述第二发光层和所述第三发光层发出不同颜色的光,且所述第一发光层和所述第二发光层共用所述第二电极层,复用为所述第一发光层的阴极和所述第二发光层的阳极,所述第二发光层的阴极和所述第三发光层共用所述第三电极层。
- 根据权利要求15所述的方法,其中,在衬底上形成第一电极层之前,所述方法还包括:在衬底上每个像素单元中形成四个引出线,其中,所述四个引出线分别位于所述像素单元的不同侧,其中第一引出线用于与所述第一电极层连接,第二引出线用于与所述第二电极层连接,第三引出线用于与所述第三电极层连接,及第四引出线用于与所述第四电极层连接。
- 根据权利要求15所述的方法,其中,在衬底上形成第一发光层之前,所述方法还包括:在所述衬底上形成像素界定层,所述第一电极层位于所述像素界定层限定的第一开口中。
- 根据权利要求15所述的方法,其中,在所述衬底上形成所述第二电极层之后,及在所述衬底上形成所述第二发光层之前,所述方法还包括:在所述第二电极层上形成第一绝缘层,所述第一绝缘层用于限定出放置所述第二发光层的第二开口。
- 根据权利要求18所述的方法,其中,在所述衬底上形成所述第三电极层之后,及在所述衬底上形成所述第三发光层之前,所述方法还包括:在所述第三电极层上形成第二绝缘层,所述第二绝缘层用于限定出放置所述第三发光层的第三开口。
- 根据权利要求19所述的方法,还包括:在所述第四电极层远离所述衬底的一侧形成封装层。
- 根据权利要求15所述的方法,其中,用于制作第一发光层的掩膜板、用于制作第二发光层的掩膜板和用于制作第三发光层的掩膜板相同。
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| CN111668383B (zh) * | 2020-06-22 | 2022-08-09 | 京东方科技集团股份有限公司 | 显示面板、显示装置 |
| CN113193034B (zh) * | 2021-04-30 | 2024-05-24 | 京东方科技集团股份有限公司 | 显示背板及其制作方法和显示装置 |
| CN113644211B (zh) * | 2021-08-12 | 2023-10-31 | 京东方科技集团股份有限公司 | 显示面板及其制备方法、显示装置 |
| CN117337629A (zh) * | 2022-04-26 | 2024-01-02 | 京东方科技集团股份有限公司 | 显示基板及其制备方法和驱动方法、显示面板、显示装置 |
| CN116113281A (zh) * | 2023-01-13 | 2023-05-12 | 昆山国显光电有限公司 | 显示面板及显示装置 |
| CN116978921B (zh) * | 2023-08-04 | 2026-02-13 | 光宇元芯(杭州)光电有限责任公司 | 显示基板及其制作方法、显示面板 |
| CN121100599A (zh) * | 2024-03-29 | 2025-12-09 | 京东方科技集团股份有限公司 | 发光基板及其制备方法、显示装置 |
| CN118301990A (zh) * | 2024-04-08 | 2024-07-05 | 京东方科技集团股份有限公司 | 显示面板及其驱动方法、显示装置 |
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| CN111668383B (zh) | 2022-08-09 |
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