CN112817171A - Flexible display panel, display panel assembly, display method and electronic equipment - Google Patents
Flexible display panel, display panel assembly, display method and electronic equipment Download PDFInfo
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- CN112817171A CN112817171A CN202110198009.8A CN202110198009A CN112817171A CN 112817171 A CN112817171 A CN 112817171A CN 202110198009 A CN202110198009 A CN 202110198009A CN 112817171 A CN112817171 A CN 112817171A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13318—Circuits comprising a photodetector
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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
- H10K59/13—Active-matrix OLED [AMOLED] displays comprising photosensors that control luminance
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Abstract
The application discloses flexible display panel, display panel subassembly, display method and electronic equipment includes: the display panel comprises a first display panel and a second display panel, wherein the first display panel comprises a plane display part and an arc display part, the arc display part extends outwards along the periphery of the plane display part and is bent towards one side of the plane display part; the cambered surface display part is provided with at least one open pore, and the plane display part and the cambered surface display part are of an integrated structure. The embodiment of the application carries out the trompil design through the cambered surface display part at flexible display panel to can improve the screen that the planar display part of flexible display panel corresponds the front display area and account for the ratio.
Description
Technical Field
The embodiment of the application relates to the technical field of electronic equipment, in particular to a flexible display panel, a display panel assembly, a display method and electronic equipment.
Background
With the continuous development of communication technology, electronic devices such as smart phones, tablet computers and notebook computers are widely popularized and applied, and the electronic devices are developed in diversified and personalized directions. Nowadays, electronic devices such as mobile phones and tablet computers become electronic devices that people carry with them in daily life, and increasingly become indispensable electronic devices in life and work.
At present, users have higher and higher requirements on the beauty and the use feeling of electronic equipment, and therefore, various manufacturers gradually develop a full screen in the direction of producing display panels of electronic equipment. In the manufacture of flexible full-screen display modules, the design of the side four-sided display is becoming the trend of the next generation. At present, manufacturers research and produce four-curved-surface display panel products, and in the structural design of the four-curved-surface display panel products, the four-curved-surface display panel generally comprises a front display area and four side display areas, so that full-screen display is realized. However, in the prior art, in an electronic device having a four-curved-surface display panel, a hole is usually drilled in the display panel corresponding to the front display area, and devices such as a front camera and a photosensor are mounted in the front display area, so that the screen occupation ratio of the front display area is low.
Disclosure of Invention
The embodiment of the application provides a flexible display panel, a display panel assembly, a display method and electronic equipment, and the design of opening holes is carried out on the cambered surface display part of the flexible display panel, so that the screen occupation ratio of a front display area corresponding to the front display part of the flexible display panel can be improved, and the display efficiency of the front display part is improved.
The embodiment of the application provides a flexible display panel, and this flexible display panel includes: the display panel comprises a first display panel and a second display panel, wherein the first display panel comprises a plane display part and an arc display part, the arc display part extends outwards along the periphery of the plane display part and is bent towards one side of the plane display part; the cambered surface display part is provided with at least one open pore, and the plane display part and the cambered surface display part are of an integrated structure.
Optionally, in this embodiment of the application, a second display panel is disposed at the opening, and the second display panel is disposed coplanar with the first display panel, wherein a light transmittance of the first display panel is fixed and is variable.
Optionally, in this embodiment of the application, the second display panel is an electrochromic device, the electrochromic device is electrically connected to the control electrode, the electrochromic device includes a liquid crystal layer, and the control electrode is used for controlling the voltage applied to the two ends of the electrochromic device so as to adjust the light transmittance of the liquid crystal layer of the electrochromic device.
Optionally, in this embodiment of the application, an area of the arc display portion is smaller than an area of the flat display portion, and an area of the second display panel is smaller than the area of the arc display portion.
Correspondingly, the embodiment of the present application further provides a display panel assembly, which includes: a flexible display panel and at least one sensor, the flexible display panel being the flexible display panel of any one of claims 1-4;
the sensor is located on one side of the bending direction of the cambered surface display part of the flexible display panel and is located in the hole of the cambered surface display part.
Optionally, in this embodiment of the application, the display panel assembly further includes a cover plate, and the cover plate is fixedly stacked with the flexible display panel through an optical adhesive; the apron includes apron plane portion and apron cambered surface portion, wherein, apron cambered surface portion follows apron plane portion's periphery is outwards extended, and along the crooked direction of cambered surface display portion is crooked, apron plane portion with apron cambered surface portion formula structure as an organic whole.
Optionally, in this embodiment of the application, a light shielding layer is disposed on one side of the flexible display panel facing the optical cement, and the light shielding layer is correspondingly disposed at an edge of the opening.
Correspondingly, an embodiment of the present application further provides an electronic device, including: the display panel assembly comprises a display panel assembly, a shell and a circuit board, wherein the display panel assembly is any one of the display panel assemblies; the circuit board is arranged in the shell, and the display panel assembly is covered on the shell; and the sensor and the flexible display panel in the display panel assembly are respectively electrically connected with the circuit board.
In addition, the embodiment of the application further provides a display method, which is applied to electronic equipment, wherein the electronic equipment comprises a display panel assembly, a shell and a circuit board, the circuit board is arranged in the shell, the display panel assembly is covered on the shell, the display panel assembly comprises a flexible display panel and at least one sensor, and the sensor and the flexible display panel are respectively and electrically connected with the circuit board; the flexible display panel comprises a first display panel and a second display panel, the first display panel comprises a plane display part and an arc surface display part, and the arc surface display part extends outwards along the periphery of the plane display part and bends towards one side of the plane display part; the cambered surface display part is provided with at least one opening, and the plane display part and the cambered surface display part are of an integrated structure; the second display panel is arranged at the opening hole and is coplanar with the first display panel, wherein the light transmittance of the first display panel is constant, and the light transmittance of the second display panel is variable;
the method comprises the following steps:
acquiring the current working state of the sensor;
when the working state is an opening state, the light transmittance of the liquid crystal layer of the second display panel is increased, so that the second display panel is in a light-transmitting state;
and when the working state is the closing state, the light transmittance of the liquid crystal layer of the second display panel is reduced, so that the second display panel is in the display state.
Optionally, in this embodiment of the application, the second display panel is an electrochromic device, the electrochromic device is electrically connected to the control electrode, the electrochromic device includes a liquid crystal layer, and the control electrode is configured to control a voltage applied to two ends of the electrochromic device, so as to adjust a light transmittance of the liquid crystal layer of the electrochromic device;
the method comprises the following steps:
when the working state is the opening state, applying corresponding voltage to the second display panel through the control electrode to drive liquid crystal molecules in a liquid crystal layer of the second display panel to deflect so as to increase light transmittance;
and when the working state is the closed state, applying corresponding voltage to the second display panel through the control electrode to drive liquid crystal molecules in a liquid crystal layer of the second display panel to deflect so as to reduce light transmittance.
The embodiment of the application provides a flexible display panel, a display panel assembly, a display method and electronic equipment, wherein a hole is formed in an arc surface display part of the flexible display panel, so that the screen occupation ratio of a front display area corresponding to the front display part of the flexible display panel can be improved, and the integrity of the display content of the front display part is improved; and, through set up the second display panel in trompil corresponding position, can improve the screen that the cambered surface display part of flexible display panel corresponds the cambered surface display area and account for than to improve the integrality of flexible display panel display content.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an exploded schematic view of an electronic device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 3a is a schematic structural diagram of a flexible display panel according to an embodiment of the present disclosure.
Fig. 3b is a schematic structural diagram of another flexible display panel provided in the embodiment of the present application.
Fig. 4 is a schematic process flow diagram of a display panel assembly according to an embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of a display panel assembly according to an embodiment of the present disclosure.
Fig. 6 is a schematic structural diagram of another display panel assembly according to an embodiment of the present disclosure.
Fig. 7 is a schematic flowchart of a display method according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "means two or more unless specifically defined otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials. In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The embodiment of the application provides a flexible display panel, a display panel assembly, a display method and electronic equipment. The flexible display panel will be described in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
The present application will now be described in detail with reference to the drawings and the detailed description, with reference to fig. 1-7.
Referring to fig. 1, fig. 1 is an exploded view of an electronic device 10 according to an embodiment of the disclosure. Electronic devices including flexible display panels, such as smart phones, tablet PCs, notebook PCs, and PDAs, may also be used as an embodiment.
Referring to fig. 1, an electronic device 10 according to an exemplary embodiment may include a Cover Glass (CG) 11, a flexible display panel 12, a circuit board 13, and a housing 14. Specifically, the cover plate 11 and the flexible display panel 12 form a display panel assembly, the circuit board 13 is disposed in the housing 14, the display panel assembly is covered on the housing 14, and the sensor in the display panel assembly and the flexible display panel 12 are electrically connected to the circuit board 13 respectively. Wherein, the power source can be disposed between the flexible display panel 12 and the circuit board 13. The flexible display panel 12 may be electrically connected to a printed circuit board provided on the middle frame via a flexible printed circuit. Note that the electronic device 10 shown in fig. 1 is not limited to the above.
The cover plate 11 is mounted on the flexible display panel 12 and disposed in front of the flexible display panel 12 to cover the flexible display panel 12, and the cover plate 11 and the flexible display panel 12 may be combined by processing to form a display panel assembly. The cover plate 11 may be a transparent glass cover plate so that the flexible display panel 12 transmits light through the cover plate 11 for display. In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire. In the present embodiment, "front" refers to a direction in which a side of the flexible display panel 12 on which information is displayed faces, and "rear" refers to a direction opposite to "front".
The flexible display panel 12 is used for displaying an electronic document, and the flexible display panel 12 may display information such as an image, a video, or a text. The flexible display panel 12 may include a front surface to display information, and a back surface on the opposite side of the front surface.
The flexible display panel 12 is mounted on a housing 14 to form a display surface of the electronic device 10. The display panel assembly of the cover 11 and the flexible display panel 12 serves as a front housing of the electronic device 10, and forms a closed space with the housing 14 for accommodating other electronic components of the electronic device 10. Meanwhile, the display panel assembly forms a display surface of the electronic device 10 for displaying information such as images, text, and the like.
The circuit board 13 is mounted inside the housing 14 to accommodate the circuit board 13 in the closed space. The circuit board 13 may be a motherboard of the electronic device 10. The circuit board 13 is provided with a grounding point to realize grounding of the circuit board 13. Functional components such as a camera and a processor can be integrated on the circuit board 13. Meanwhile, the flexible display panel 12 may be electrically connected to the circuit board 13.
In some embodiments, display control circuitry is provided on the circuit board 13. The display control circuit outputs an electrical signal to the flexible display panel 12 to control the flexible display panel 12 to display information.
The housing 14 is used to form the exterior contour of the electronic device 10. The material of the housing 14 may be plastic or metal. The housing 14 may be integrally formed. Alternatively, the housing 14 may be a metal housing, such as a metal such as magnesium alloy, stainless steel, etc. It should be noted that the material of the housing 14 in the embodiment of the present application is not limited to this, and other manners may also be adopted, such as: the housing 14 may be a plastic housing. Also for example: the housing 14 is a ceramic housing. A glass housing may also be used.
In some embodiments, the battery may be logically connected to the processor through a power management system, such that the power management system may manage charging, discharging, and power consumption management functions. The battery may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Further, the circuit board 13 may further include a Radio Frequency (RF) circuit, a memory including one or more computer-readable storage media, an input unit, a display unit, a sensor, an audio circuit, a Wireless Fidelity (Wi-Fi) module, a processor including one or more processing cores, a control circuit, a battery, a front camera, a rear camera, and a fingerprint unlocking module antenna structure.
The control circuit is installed in the circuit board 13, the control circuit may be a motherboard of the electronic device 10, and one, two or more functional components of a motor, a microphone, a speaker, an earphone interface, a universal serial bus interface, a front camera, a rear camera, a distance sensor, an ambient light sensor, a receiver, and a processor may be integrated on the control circuit.
In some embodiments, the control circuitry may be fixed within the circuit board 13. Specifically, the control circuit may be screwed to the circuit board 13 by screws, or may be snap-fitted to the circuit board 13 by a snap-fit manner. It should be noted that the way of fixing the control circuit to the circuit board 13 specifically is not limited to this, and other ways, such as a way of fixing by a snap and a screw together, are also possible.
In some embodiments, the circuit board 13 may include a plastic part and a metal part, and the circuit board 13 may be a housing structure in which metal and plastic are matched with each other, specifically, the metal part may be formed first, for example, a magnesium alloy substrate is formed by injection molding, and then plastic is injected on the magnesium alloy substrate to form a plastic substrate, so as to form a complete housing structure. It should be noted that the material and process of the circuit board 13 are not limited thereto.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device includes a flexible display panel 12, the flexible display panel 12 includes a first display panel (not shown in the figure), the first display panel includes a flat display portion 1211 and an arc display portion 1212, at least one opening 122 is disposed on the arc display portion 1212, and the flat display portion 1211 and the arc display portion 1212 are integrated. The opening 122 accommodates the sensor 15, and the number of the sensors may be plural.
Referring to fig. 3a, fig. 3a is a flexible display panel according to an embodiment of the present disclosure. The flexible display panel 12 includes a first display panel 121, and the first display panel 121 includes a flat display portion 1211 and an arc display portion 1212. The arc display portion 1212 extends outwardly along the periphery of the flat display portion 1211 and is bent toward one side of the flat display portion 1211, so that a first arc display portion 1212a, a second arc display portion 1212b, a third arc display portion 1212c and a fourth arc display portion 1212d are formed along the flat display portion 1211 and extend around the flat display portion 1211. The arc display portion 1212 is provided with at least one opening 122, and the flat display portion 1211 and the arc display portion 1212 are integrated.
In some embodiments, the opening 122 is a square hole. In other embodiments, the holes 122 may be circular holes, elliptical holes, water drop holes, or other holes.
It should be noted that, the number of the openings 122 in the embodiment of the present application may be multiple, and the openings 122 may be distributed in the arc display area.
Optionally, the size parameter of the opening 122 is determined by the length of the short side of the arc display panel 1212, and the short side of the arc display panel 1212 is the shorter side of the periphery of the arc display panel 1212.
To sum up, this application embodiment provides a flexible display panel, carries out the trompil design through the cambered surface display part at flexible display panel to can improve the screen that the positive display area that the positive display part of flexible display panel corresponds accounts for the ratio, improves the display efficiency of positive display part.
In an embodiment, please refer to fig. 3b, and fig. 3b is another flexible display panel provided in the embodiment of the present application. As shown in fig. 3b, the flexible display panel 12 includes a first display panel 121, and the first display panel 121 includes a flat display portion 1211 and an arc display portion 1212. The arc display portion 1212 extends outwardly along the periphery of the flat display portion 1211 and is bent toward one side of the flat display portion 1211, so that a first arc display portion 1212a, a second arc display portion 1212b, a third arc display portion 1212c and a fourth arc display portion 1212d are formed along the flat display portion 1211 and extend around the flat display portion 1211. The arc display portion 1212 is provided with at least one opening 122, and the flat display portion 1211 and the arc display portion 1212 are integrated. Specifically, the second display panel 123 is disposed at the opening 122, and the second display panel 123 and the first display panel 121 may be disposed in a coplanar manner. Here, the light transmittance of the first display panel 121 may be fixed and the light transmittance of the second display panel 123 may be variable.
In some embodiments, the second display panel 123 provided in the embodiments of the present application is an electrochromic device, which includes a liquid crystal panel and an electrochromic module, where the electrochromic module is capable of controlling liquid crystal particles in a liquid crystal layer in the liquid crystal panel to deflect. The electrochromic device is electrically connected with the control electrode, and the control electrode is used for controlling the voltage applied to two ends of the electrochromic device. The control electrode changes the voltage applied to the two ends of the electrochromic device, so that the liquid crystal particles in the liquid crystal layer of the liquid crystal panel in the electrochromic layer are deflected under the action of the control electrode, thereby adjusting the light transmittance of the liquid crystal layer of the second display panel 123.
Optionally, the area of the arc display portion 1212 is smaller than the area of the flat display portion 1211, and the area of the second display panel 123 is smaller than the area of the arc display portion 1212.
It should be noted that, the number of the openings 122 in the embodiment of the present application may be multiple, and the openings 122 may be distributed in the arc display area 1212.
Optionally, the size parameter of the opening 122 is determined by the length of the short side of the arc display panel 1212, and the short side of the arc display panel 1212 is the shorter side of the periphery of the arc display panel 1212.
In some embodiments, the opening 122 is a square hole. In other embodiments, the holes 122 may be circular holes, elliptical holes, water drop holes, or other holes. Accordingly, the electrochromic device may be round, square, oval, and the like.
In some embodiments, the sensor 15 is an image sensor. In other embodiments, the sensor 15 may be an ambient light sensor, a proximity sensor, or other sensor that needs to receive light and emit light.
The embodiment of the application provides a flexible display panel, and the design of opening holes is carried out on the cambered surface display part of the flexible display panel, so that the screen occupation ratio of a front display area corresponding to the front display part of the flexible display panel can be improved, and the display efficiency of the front display part is improved; and, through set up the second display panel in trompil corresponding position, can improve the screen of the cambered surface display area that the cambered surface display part of flexible display panel corresponds and account for the ratio to improve flexible display panel's whole display efficiency.
Referring to fig. 3a, 4 and 5 together, an embodiment of the present application provides a display panel assembly including a cover plate 11, a flexible display panel 12 and at least one sensor 15. The flexible display panel 12 includes a first display panel 121, and the first display panel 121 includes a flat display portion 1211 and an arc display portion 1212. The arc display portion 1212 extends outwardly along the periphery of the flat display portion 1211 and is bent toward one side of the flat display portion 1211, so that a first arc display portion 1212a, a second arc display portion 1212b, a third arc display portion 1212c and a fourth arc display portion 1212d are formed along the flat display portion 1211 and extend around the flat display portion 1211. The arc display portion 1212 is provided with at least one opening 122, and the flat display portion 1211 and the arc display portion 1212 are integrated. Specifically, the sensor 15 is located on one side of the curved display portion 1212 of the flexible display panel 12 in the bending direction, and is located in the opening 122 of the curved display portion 1212.
Referring to fig. 4 and 5, the cover plate 11 is fixedly stacked on the flexible display panel 12 by an Optical Clear Adhesive (OCA) a. The flexible display panel 12 is formed by laminating a Polarizer (POL) B, an organic light-Emitting layer (OLED) C, and a Back Plate (Back Plate, BP) D. The cover plate 11 includes a cover plate flat surface portion 111 and a cover plate arc surface portion 112. The cover plate arc surface portion 112 extends outward along the periphery of the cover plate plane portion 111 and is bent along the bending direction of the arc surface display portion 1212, and the cover plate plane portion 111 and the cover plate arc surface portion 112 are of an integrated structure.
In an embodiment, a light shielding layer is disposed on a side of the flexible display panel 12 facing the optical adhesive, and the light shielding layer is correspondingly disposed at an edge of the opening 122.
In some embodiments, the flexible display panel 12 is fixedly connected to the sensor 15 through a connection layer F, which may be a foam (e.g., SCF, etc.) connection.
In some embodiments, the sensor 15 is an image sensor. In other embodiments, the sensor 15 may be an ambient light sensor, a proximity sensor, or other sensor that needs to receive light and emit light.
The embodiment of the application provides a display panel assembly, carries out the trompil design through the cambered surface display part at flexible display panel to can improve the screen of the positive display area that flexible display panel's positive display part corresponds and account for the ratio, improve the display efficiency of positive display part.
In one embodiment, referring to fig. 3b, fig. 4 and fig. 6, the present application provides a display panel assembly including a cover 11, a flexible display panel 12 and at least one sensor 15. The flexible display panel 12 includes a first display panel 121, and the first display panel 121 includes a flat display portion 1211 and an arc display portion 1212. The arc display portion 1212 extends outwardly along the periphery of the flat display portion 1211 and is bent toward one side of the flat display portion 1211, so that a first arc display portion 1212a, a second arc display portion 1212b, a third arc display portion 1212c and a fourth arc display portion 1212d are formed along the flat display portion 1211 and extend around the flat display portion 1211. The arc display portion 1212 is provided with at least one opening 122, and the flat display portion 1211 and the arc display portion 1212 are integrated. Specifically, the sensor 15 is located on one side of the curved display portion 1212 of the flexible display panel 12 in the bending direction, and is located in the opening 122 of the curved display portion 1212. The opening 122 is provided with a second display panel 123, the second display panel 123 is coplanar with the first display panel 121, and it should be noted that the light transmittance of the first display panel 121 is fixed and the light transmittance of the second display panel 123 is variable. The sensor 15 is located on one side of the curved display portion 1212 of the flexible display panel 12 in the bending direction, and is located in the opening 122 of the curved display portion 1212.
Optionally, the area of the arc display portion 1212 is smaller than the area of the flat display portion 1211, and the area of the second display panel 123 is smaller than the area of the arc display portion 1212.
The cover plate 11 is fixedly stacked on the flexible display panel 12 through an optical adhesive a. The flexible display panel 12 is formed by laminating a polarizer B, an organic light emitting layer C, and a rear panel D. The cover plate 11 includes a cover plate flat surface portion 111 and a cover plate arc surface portion 112. The cover plate arc surface portion 112 extends outward along the periphery of the cover plate plane portion 111 and is bent along the bending direction of the arc surface display portion 1212, and the cover plate plane portion 111 and the cover plate arc surface portion 112 are of an integrated structure.
In some embodiments, the second display panel 123 provided in the embodiments of the present application is an electrochromic device, which includes a liquid crystal panel and an electrochromic module, where the electrochromic module is capable of controlling liquid crystal particles in a liquid crystal layer in the liquid crystal panel to deflect. The electrochromic device is electrically connected with the control electrode, and the control electrode is used for controlling the voltage applied to two ends of the electrochromic device. The control electrode changes the voltage applied to the two ends of the electrochromic device, so that the liquid crystal particles in the liquid crystal layer of the liquid crystal panel in the electrochromic layer are deflected under the action of the control electrode, thereby adjusting the light transmittance of the liquid crystal layer of the second display panel 123.
In some embodiments, the flexible display panel 12 is fixedly connected to the sensor 15 through a connection layer F, which may be a foam (e.g., SCF, etc.) connection.
The embodiment of the application provides a display panel assembly, and the design of opening holes is carried out on the cambered surface display part of a flexible display panel, so that the screen occupation ratio of a front display area corresponding to the front display part of the flexible display panel can be improved, and the display efficiency of the front display part is improved; and, through set up the second display panel in trompil corresponding position, can improve the screen of the cambered surface display area that the cambered surface display part of flexible display panel corresponds and account for the ratio to improve flexible display panel's whole display efficiency.
The embodiment provides a display method applied to the electronic device. When the electronic device is operated, the light transmittance of the liquid crystal layer of the second display panel can be adjusted based on the current operating state of the sensor. Referring to fig. 7, the method includes the following specific steps:
In an embodiment, when the operating state is the on state, the transmittance of the liquid crystal layer of the second display panel is increased to make the second display panel in the transmissive state. Specifically, the corresponding voltage is applied to the second display panel through the control electrode to drive liquid crystal molecules in a liquid crystal layer of the second display panel to deflect so as to increase the light transmittance.
In an embodiment, when the operating state is the off state, the transmittance of the liquid crystal layer of the second display panel is reduced to make the second display panel in the display state. Specifically, the corresponding voltage is applied to the second display panel through the control electrode to drive liquid crystal molecules in a liquid crystal layer of the second display panel to deflect so as to reduce the light transmittance.
It should be noted that the light transmission amount of the second display panel in the light transmission state is greater than the light transmission amount in the display state, and the content displayed by the second display panel in the display state is clearer than the content displayed in the light transmission state.
To sum up, the embodiment of the application provides a flexible display panel, a display panel assembly, a display method and an electronic device, wherein a hole is formed in an arc-shaped display part of the flexible display panel, so that the screen occupation ratio of a front display area corresponding to the front display part of the flexible display panel can be improved, the integrity of display content of the front display part is improved, and the display effect of the front display part is good; and, through set up the second display panel in trompil corresponding position, can improve the screen that the cambered surface display part of flexible display panel corresponds the cambered surface display area and account for than to improve the integrality of flexible display panel display content.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. The embodiments described above are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The flexible display panel, the display panel assembly, the display method and the electronic device provided in the embodiments of the present application are introduced in detail, a specific example is applied in the embodiments of the present application to explain the principle and the implementation of the present application, and the description of the embodiments is only used to help understand the method and the core concept of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A flexible display panel, comprising: the display panel comprises a first display panel and a second display panel, wherein the first display panel comprises a plane display part and an arc display part, the arc display part extends outwards along the periphery of the plane display part and is bent towards one side of the plane display part; the cambered surface display part is provided with at least one open pore, and the plane display part and the cambered surface display part are of an integrated structure.
2. The flexible display panel of claim 1, wherein a second display panel is disposed at the opening, and the second display panel is disposed coplanar with the first display panel, wherein the light transmittance of the first display panel is constant and the light transmittance of the second display panel is variable.
3. The flexible display panel of claim 2, wherein the second display panel is an electrochromic device electrically connected to a control electrode, the electrochromic device comprises a liquid crystal layer, and the control electrode is configured to control a voltage applied across the electrochromic device to adjust a light transmittance of the liquid crystal layer of the electrochromic device.
4. The flexible display panel according to claim 2 or 3, wherein the area of the curved display portion is smaller than the area of the flat display portion, and the area of the second display panel is smaller than the area of the curved display portion.
5. A display panel assembly, comprising: a flexible display panel and at least one sensor, the flexible display panel being the flexible display panel of any one of claims 1 to 4;
the sensor is located on one side of the bending direction of the cambered surface display part of the flexible display panel and is located in the hole of the cambered surface display part.
6. The display panel assembly of claim 5, further comprising a cover plate, wherein the cover plate is fixedly laminated with the flexible display panel by an optical adhesive; the apron includes apron plane portion and apron cambered surface portion, wherein, apron cambered surface portion follows apron plane portion's periphery is outwards extended, and along the crooked direction of cambered surface display portion is crooked, apron plane portion with apron cambered surface portion formula structure as an organic whole.
7. The display panel assembly as claimed in claim 6, wherein a light shielding layer is disposed on a side of the flexible display panel facing the optical adhesive, and the light shielding layer is disposed at an edge of the opening.
8. An electronic device, comprising: a display panel assembly, a housing and a circuit board, the display panel assembly being the display panel assembly of any one of claims 5 to 7; the circuit board is arranged in the shell, and the display panel assembly is covered on the shell; and the sensor and the flexible display panel in the display panel assembly are respectively electrically connected with the circuit board.
9. A display method is applied to electronic equipment and is characterized in that the electronic equipment comprises a display panel assembly, a shell and a circuit board, the circuit board is arranged in the shell, the display panel assembly is covered on the shell, the display panel assembly comprises a flexible display panel and at least one sensor, and the sensor and the flexible display panel are respectively and electrically connected with the circuit board; the flexible display panel comprises a first display panel and a second display panel, the first display panel comprises a plane display part and an arc surface display part, and the arc surface display part extends outwards along the periphery of the plane display part and bends towards one side of the plane display part; the cambered surface display part is provided with at least one opening, and the plane display part and the cambered surface display part are of an integrated structure; the second display panel is arranged at the opening hole and is coplanar with the first display panel, wherein the light transmittance of the first display panel is constant, and the light transmittance of the second display panel is variable;
the method comprises the following steps:
acquiring the current working state of the sensor;
when the working state is an opening state, the light transmittance of the liquid crystal layer of the second display panel is increased, so that the second display panel is in a light-transmitting state;
and when the working state is the closing state, the light transmittance of the liquid crystal layer of the second display panel is reduced, so that the second display panel is in the display state.
10. The display method according to claim 9, wherein the second display panel is an electrochromic device, the electrochromic device is electrically connected to a control electrode, the electrochromic device includes a liquid crystal layer, and the control electrode is configured to control a voltage applied across the electrochromic device so as to adjust a light transmittance of the liquid crystal layer of the electrochromic device;
the method comprises the following steps:
when the working state is the opening state, applying corresponding voltage to the second display panel through the control electrode to drive liquid crystal molecules in a liquid crystal layer of the second display panel to deflect so as to increase light transmittance;
and when the working state is the closed state, applying corresponding voltage to the second display panel through the control electrode to drive liquid crystal molecules in a liquid crystal layer of the second display panel to deflect so as to reduce light transmittance.
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| CN202110198009.8A CN112817171A (en) | 2021-02-22 | 2021-02-22 | Flexible display panel, display panel assembly, display method and electronic equipment |
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| CN202110198009.8A CN112817171A (en) | 2021-02-22 | 2021-02-22 | Flexible display panel, display panel assembly, display method and electronic equipment |
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Application publication date: 20210518 |