CN114023897B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN114023897B CN114023897B CN202111329180.4A CN202111329180A CN114023897B CN 114023897 B CN114023897 B CN 114023897B CN 202111329180 A CN202111329180 A CN 202111329180A CN 114023897 B CN114023897 B CN 114023897B
- Authority
- CN
- China
- Prior art keywords
- substrate
- display area
- curved
- flat
- emitting unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims abstract description 127
- 238000005452 bending Methods 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 98
- 239000010408 film Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
-
- 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
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display panel and a display device, wherein the display panel is provided with a flat display area and a curved display area which are adjacent, and the display panel comprises: a substrate; the pixel definition layer is arranged on one side of the substrate and comprises a plurality of pixel openings; the electrode layer is at least partially arranged between the substrate and the pixel definition layer, and comprises a plurality of first electrode blocks; the light-emitting layer comprises a first light-emitting unit, and a part, which is arranged in the curved surface display area and is overlapped with the first electrode block, of the first light-emitting unit along the direction perpendicular to the plane of the substrate comprises a first flat part and a first inclined part which are connected, wherein the first inclined part is inclined at a preset angle relative to the first flat part; along the bending direction of the curved surface display area, the surface area of the first inclined surface part of each first light-emitting unit positioned in the curved surface display area, which is away from one side of the substrate, is gradually increased. The obvious color cast difference of the plane display area and the curved surface display area is avoided from being observed by a user, and the display effect and the user experience of the display panel are improved.
Description
Technical Field
The invention belongs to the technical field of electronic products, and particularly relates to a display panel and a display device.
Background
With the progress of technology, digital display devices such as smart phones and tablet computers are widely used, wherein a display screen is an indispensable interpersonal communication interface in the display devices. Such as an OLED (Organic LIGHT EMITTING Diode) display panel, has the advantages of self-luminescence, energy saving, consumption reduction, flexibility, and the like. Along with gradual upgrade of visual experience requirements of users, terminal equipment such as mobile phone panels and the like at present gradually develop to a large screen ratio, and more display devices begin to adopt curved display panels. However, the display panel is limited by the structure of the existing curved display panel, and color cast difference is caused by the visual angle difference of different positions in the bending area of the display panel, so that user experience is affected.
Therefore, a new display panel and display device are needed.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, which avoid that a user observes obvious color cast difference between a planar display area and a curved display area when using the display panel and improve the display effect and the user experience of the display panel.
In one aspect, an embodiment of the present invention provides a display panel having a flat display area and a curved display area adjacent to each other, the display panel including: a substrate; the pixel definition layer is arranged on one side of the substrate and comprises a plurality of pixel openings; an electrode layer at least partially disposed between the substrate and the pixel defining layer, the electrode layer including a plurality of first electrode blocks at least partially exposed through the pixel openings; the light-emitting layer comprises a first light-emitting unit, the first light-emitting unit is at least partially arranged on one side of the first electrode block, which is away from the substrate, the overlapped part of the first light-emitting unit and the first electrode block arranged in the curved surface display area in the direction vertical to the plane of the substrate comprises a first flat part and a first inclined surface part which are connected, the first inclined surface part is arranged on one side of the first flat part, which is away from the plane display area, and the first inclined surface part is inclined by a preset angle relative to the first flat part in the direction away from the substrate; along the bending direction of the curved surface display area, the surface area of the first inclined surface part of each first light-emitting unit positioned in the curved surface display area, which is away from one side of the substrate, is gradually increased.
According to an aspect of the present invention, the sum of the surface areas of the first flat portion and the first inclined surface portion of each of the first light emitting units located in the curved display area facing away from the substrate is equal.
According to an aspect of the present invention, in a direction perpendicular to a plane in which the substrate is located, a portion where the first light emitting unit and the first electrode block provided in the flat display area overlap includes a flat surface portion, and a sum of surface areas of the first flat portion and the first inclined surface portion of the first light emitting unit, which are individually located in the curved display area, on a side facing away from the substrate is equal to a surface area of the second flat portion of the first light emitting unit, which is individually located in the flat display area, on a side facing away from the substrate.
According to an aspect of the present invention, a shape of a portion where the first light emitting unit and the first electrode block are overlapped, which is provided in the flat display area, is the same in a direction perpendicular to a plane in which the substrate is located; and/or the shape of the overlapped part of the first light-emitting unit and the first electrode block in the curved surface display area is the same.
According to one aspect of the present invention, the electrode layer further includes a planarization layer disposed between the substrate and the electrode layer; the first electrode block positioned in the curved surface display area comprises a third flat part and a third inclined surface part which are connected, the third flat part is correspondingly arranged on one side of the second flat part, which is away from the substrate, the third inclined surface part is correspondingly arranged on one side of the second inclined surface part, which is away from the substrate, and the pixel opening exposes part of the third flat part and the third inclined surface part of the first electrode block; or, the surface of one side of the planarization layer, which faces away from the substrate, is a plane, the first electrode block located in the curved surface display area comprises a third flat portion and a third inclined portion which are connected, the pixel definition layer comprises a first pixel definition portion and a second pixel definition portion, the first pixel definition portion comprises a fourth inclined portion, the third flat portion is arranged on the surface of one side of the planarization layer, which faces away from the substrate, the third inclined portion is arranged on the surface of one side of the fourth inclined portion, which faces away from the substrate, the second pixel definition portion at least partially covers the first electrode block, the second pixel definition portion comprises a pixel opening, and part of the first electrode block is exposed by the pixel opening.
According to one aspect of the invention, the light-emitting device further comprises a cover plate, wherein the cover plate is arranged on one side of the light-emitting layer, which is away from the substrate, and the cover plate is provided with a central area and a curved area which are adjacent, and the included angle between the normal line of the curved area and the direction perpendicular to the plane of the substrate is gradually increased along the bending direction of the curved area.
According to one aspect of the present invention, the surface area of the first inclined surface portion of the first light emitting unit corresponding to the curved surface area facing away from the substrate is in direct proportion to an included angle between the curved surface area and a direction perpendicular to a plane where the substrate is located.
According to one aspect of the present invention, the curved surface area includes a first curved surface area and a second curved surface area, the first curved surface area and the second curved surface area are respectively disposed at two opposite sides of the central area, and the first curved surface area and the second curved surface area are symmetrical with respect to the center of the central area; preferably, the first light emitting units corresponding to the first curved surface area and the first light emitting units corresponding to the second curved surface area are symmetrically distributed about the center of the central area.
According to one aspect of the invention, the ratio of the surface area of the first inclined surface portion of the first light emitting unit on the side facing away from the substrate to the sum of the surface areas of the first flat portion of the first light emitting unit and the first inclined surface portion on the side facing away from the substrate is 0.3 to 0.8.
Another aspect of the embodiments of the present invention provides a display device, including the display panel according to any one of the embodiments.
Compared with the prior art, the display panel provided by the embodiment of the invention comprises the substrate, the pixel definition layer and the light-emitting layer, wherein the first light-emitting units of the light-emitting layer are positioned in the curved surface display area, the first inclined surface parts incline towards the direction away from the substrate relative to the first flat parts, namely, the emergent light of each first inclined surface part is converged towards each first flat part, the emergent light of the first inclined surface parts compensates the luminous difference of the curved surface display area and the plane display area, so that the luminous difference of the plane display area and the luminous difference of the curved surface display area are reduced or eliminated, further, along the bending direction of the curved surface display area, when the curvature of the film layer of the curved surface display area is gradually increased, the corresponding surface area of each first inclined surface part of each first light-emitting unit, which is away from one side of the substrate, is gradually increased, the visual angle color cast caused by different curvatures of different positions of the curved surface display area is reduced, the obvious color cast difference of the plane display area and the curved surface display area is prevented from being observed when a user is used, and the display effect and user experience of the display panel are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is a diagram of a film structure of a curved display area of a display panel according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a film structure of a curved display area of another display panel according to an embodiment of the present invention;
fig. 4 is a film layer structure diagram of a flat display area of a display panel according to an embodiment of the present invention.
In the accompanying drawings:
1-a substrate; 2-a pixel definition layer; 3-a first light emitting unit; 31-a first flat portion; 32-a first ramp portion; 4-a first electrode block; 5-a third flat portion; 6-a third ramp portion; 7-cover plate; 8-an optical adhesive layer; 9-planarizing the layer; 91-a second flat portion; 92-a second ramp portion; 10-a display module; a PA-planar display area; WA-curved display area; WA 1-a first curved surface region; WA 2-a second curved surface region; k-pixel openings; a T-drive transistor; s-source electrode; d-drain electrode; g-gate.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
It will be understood that when a layer, an area, or a structure is described as being "on" or "over" another layer, another area, it can be referred to as being directly on the other layer, another area, or another layer or area can be included between the layer and the other layer, another area. And if the component is turned over, that layer, one region, will be "under" or "beneath" the other layer, another region.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Accordingly, it is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims (the claims) and their equivalents. The embodiments provided by the embodiments of the present invention may be combined with each other without contradiction.
Embodiments of the present invention provide a display panel and a display device, and embodiments of the display panel and the display device will be described below with reference to fig. 1 to 4 of the accompanying drawings.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the invention; FIG. 2 is a diagram of a film structure of a curved display area of a display panel according to an embodiment of the present invention; fig. 3 is a film layer structure diagram of another curved display area of a display panel according to an embodiment of the present invention. The embodiment of the invention provides a display panel, which is provided with a flat display area PA and a curved display area WA which are adjacent, and comprises: a substrate 1; a pixel defining layer 2 disposed on one side of the substrate 1, the pixel defining layer 2 including a plurality of pixel openings K; an electrode layer at least partially disposed between the substrate 1 and the pixel defining layer 2, the electrode layer including a plurality of first electrode blocks 4, the first electrode blocks 4 being at least partially exposed through the pixel openings K; the light-emitting layer comprises a first light-emitting unit 3, wherein the first light-emitting unit 3 is at least partially arranged on one side of the first electrode block 4 away from the substrate, the overlapped part of the first light-emitting unit 3 arranged in the curved surface display area WA and the first electrode block 4 along the direction perpendicular to the plane of the substrate 1 comprises a first flat part 31 and a first inclined part 32 which are connected, the first inclined part 32 is arranged on one side of the first flat part 31 away from the plane display area PA, and the first inclined part 32 is inclined at a preset angle relative to the first flat part 31 in the direction away from the substrate 1; along the bending direction of the curved display area WA, the surface area of the first inclined surface portion 32 of each first light emitting unit 3 located in the curved display area WA facing away from the substrate 1 increases gradually.
The display panel provided by the embodiment of the invention comprises a substrate 1, a pixel definition layer 2 and a light-emitting layer, wherein the first light-emitting units 3 of the light-emitting layer are positioned in a curved surface display area WA, and the first inclined surface parts 32 are inclined relative to the first flat parts 31 in a direction away from the substrate 1, namely, the light emitted from each first inclined surface part 32 is converged towards each first flat part 31, and the light emitted from the first inclined surface parts 32 compensates the light-emitting difference of the curved surface display area WA and the plane display area PA through the light emitted from the first inclined surface parts 32, so that the light-emitting difference of the plane display area PA and the light-emitting difference of the curved surface display area WA are reduced or eliminated, further, along the bending direction of the curved surface display area WA, when the curvature of the film layer of the curved surface display area WA is gradually increased, the surface area of each first inclined surface part 32 of each first light-emitting unit 3 is gradually increased, the color shift generated due to different curvatures of different positions of the curved surface display area WA is reduced, the obvious color shift difference of the plane display area PA and the curved surface display area WA is avoided, and the display panel experience is improved.
It should be noted that, the curved display area WA is generally disposed at two side edges of the flat display area PA to form a curved display panel, and corresponding to the curved display area WA, the pixel definition layer 2, the light-emitting layer, and other film layers of the display panel will be bent or buckled correspondingly, so that the first light-emitting unit 3 of the curved display area WA and the light-emitting unit of the flat display area PA cannot be located in the same plane for light-emitting display, and further a user observes a significant color cast difference between the flat display area PA and the curved display area WA during use.
In order to solve the above-mentioned problems, in the embodiment of the present invention, in the direction perpendicular to the plane in which the substrate 1 is located, the portion where the first light emitting unit 3 and the first electrode block 4 are overlapped, which is provided in the curved display area WA, includes the first flat portion 31 and the first inclined portion 32 connected to each other, and the first inclined portion 32 is inclined with respect to the first flat portion 31 in a direction away from the substrate 1, and compared to the portion of the first electrode block 4 in the prior art in which the first electrode block 4 is provided in a planar manner, the embodiment of the present invention can reduce the angular difference between the light emitting units of the first light emitting unit 3 and the planar display area PA, and reduce the color shift difference between the planar display area PA and the curved display area WA due to the bending or bending of the film layer of the curved display area WA.
In this embodiment, in the direction perpendicular to the plane of the substrate 1, the overlapping portion of the first light emitting unit 3 and the first electrode block 4 in the flat display area PA is disposed in a plane, that is, the surface of the side of the overlapping portion of the first light emitting unit 3 and the first electrode block 4 facing away from the substrate 1 is parallel to the plane of the substrate 1.
Alternatively, the electrode layer may be an anode layer, and the first electrode block 4 may be an anode block in particular. The display module 10 is formed by film layers such as a pixel defining layer 2, a light emitting layer, an anode layer, and a cathode layer (the cathode layer is not shown in the figure for clarity of the light emitting layer structure), so as to realize the light emitting function of the display panel. It should be noted that, the first light emitting unit 3 refers to a pixel structure corresponding to the same color, for example, red pixels, green pixels, or blue pixels, and in an OLED (Organic LIGHT EMITTING Diode) display panel, the first light emitting unit 3 may specifically include a film layer such as an electron injection layer, an electron transport layer, a light emitting material layer, a hole transport layer, and a hole injection layer.
In order to ensure uniformity of the light emitting effect of each first light emitting unit 3, in some alternative embodiments, the sum of the surface areas of the first flat portion 31 and the first inclined portion 32 of each first light emitting unit 3 located in the curved display area WA facing away from the substrate 1 is equal. It can be understood that the sum of the surface areas of the first flat portion 31 and the first inclined portion 32 facing away from the substrate 1 is equal, that is, the effective light emitting areas of the first light emitting units 3 are equal, so that the light emitting difference between the first light emitting units 3 is avoided, and the display uniformity of the display panel in the curved display area WA is improved.
In addition, in connection with the bending direction along the curved display area WA mentioned in the above embodiment, the surface area of the first inclined surface portion 32 of each first light emitting unit 3 on the side facing away from the substrate 1 is gradually increased, and when the sum of the surface areas of the first flat portion 31 and the first inclined surface portion 32 of each first light emitting unit 3 on the side facing away from the substrate 1 is equal, the ratio of the surface area of the first inclined surface portion 32 on the side facing away from the substrate 1 to the sum of the surface areas of the first flat portion 31 and the first inclined surface portion 32 on the side facing away from the substrate 1 is gradually increased, that is, the surface area of the first flat portion 31 of each first light emitting unit 3 on the side facing away from the substrate 1 is gradually decreased along the bending direction of the curved display area WA. To balance the color shift difference generated due to the angle difference between the film layer of the curved display area WA and the film layer of the flat display area PA.
Referring to fig. 4, further, in order to reduce the difference in light emitting effect between the flat display area PA and the curved display area WA, in some alternative embodiments, in a direction perpendicular to the plane of the substrate 1, the overlapping portion of the first light emitting unit 3 and the first electrode block 4 disposed in the flat display area PA includes a planar portion, and the sum of the surface areas of the first planar portion 31 and the first inclined portion 32 of the first light emitting unit 3 disposed singly in the curved display area WA facing away from the substrate 1 is equal to the surface area of the surface of the planar portion of the first light emitting unit 3 disposed singly in the flat display area PA facing away from the substrate 1; alternatively, the surface of the planar portion of each first light emitting unit 3 located in the flat display area PA facing away from the side of the substrate 1 is planar.
It should be noted that, since the first light emitting unit 3 located in the flat display area PA has no problem of bending and bending of the film layer, the surface of the flat portion of the first light emitting unit 3 located in the flat display area PA on the side facing away from the substrate 1 may be disposed in a plane to ensure the display effect, and the sum of the surface areas of the first flat portion 31 and the first inclined portion 32 of the first light emitting unit 3 located in the curved display area WA on the side facing away from the substrate 1 is equal to the surface area of the surface of the first flat portion 31 and the surface area of the first inclined portion 32 of the first light emitting unit 3 located in the curved display area WA on the side facing away from the substrate 1, which is equal to the surface area of the surface of the first light emitting unit 3 located in the flat display area PA on the side facing away from the substrate 1, so as to reduce the difference of the light emitting effect between the first light emitting unit 3 located in the flat display area PA and the first light emitting unit 3 located in the curved display area WA.
Referring to fig. 2, 3 and 4, in order to implement the light emitting display of the light emitting layer, in some alternative embodiments, the shape of the overlapping portion of the first light emitting unit 3 and the first electrode block 4 disposed in the flat display area PA is the same in a direction perpendicular to the plane of the substrate 1; and/or, the shape of the overlapping portion of the first light emitting unit 3 and the first electrode block 4 provided in the curved display area WA is the same.
Specifically, the overlapping portions of the first light emitting unit 3 and the first electrode block 4 in the flat display area PA are the same in shape, the first electrode block 4 is correspondingly arranged on the side, close to the substrate 1, of the planar portion of the first light emitting unit 3 in the flat display area PA, the surface, away from the substrate, of the planar portion is parallel to the plane where the substrate 1 is located, and the surface, away from the substrate 1, of the side, away from the substrate 1, of the first electrode block 4 in the planar portion is parallel to the plane where the substrate 1 is located. The pixel defining layer 2 disposed in the flat display area PA may be an integral unit, where the pixel defining layer 2 at least partially covers a surface of the first electrode block 4 facing away from the substrate 1, and the pixel opening K exposes a portion of the first electrode block 4.
The first electrode block 4 located in the curved display area WA includes a third flat portion 5 and a third inclined portion 6 connected to each other, the third inclined portion 6 corresponds to the first inclined portion 32 of the first light emitting unit 3, the third flat portion 5 corresponds to the first flat portion 31 of the first light emitting unit 3, and shapes of overlapping portions of the first light emitting unit 3 and the first electrode block 4 located in the flat display area PA and the curved display area WA are matched, so that the first electrode block 4 is convenient for driving the first light emitting unit 3 on the one hand, and on the other hand, when the first electrode block 4 is made of an opaque conductive material, it is convenient for reflecting light emitted from the first light emitting unit 3 by the first electrode block 4, and a color shift difference between the curved display area WA and the flat display area PA due to a viewing angle difference can be further reduced by the reflection of the third inclined portion 6 of the first electrode block.
Alternatively, the substrate 1 may be a hard substrate such as a glass substrate; the flexible substrate can also be made of polyimide, polystyrene, polyethylene terephthalate, parylene, polyethersulfone or polyethylene naphthalate. The substrate 1 is mainly used for supporting devices arranged thereon.
The pixel defining layer 2 is made of a transparent organic material. For example, the material of the pixel defining layer 2 may be hexamethyldisiloxane, epoxy resin or Polyimide (PI), or may be a silicon-based adhesive material with a light transmittance of 90% or more, or another organic adhesive material with a light transmittance slightly lower (more than 80%) and a bending strength slightly higher, which is not limited in this embodiment.
In some alternative embodiments, the display panel further comprises a planarization layer 9, the planarization layer 9 being provided between the substrate 1 and the electrode layer; the planarization layer 9 in the curved display area includes a second flat portion 91 and a second inclined portion 92 that are connected, the first electrode block 4 in the curved display area WA includes a third flat portion 5 and a third inclined portion 6 that are connected, the third flat portion 5 is correspondingly disposed on a side of the second flat portion 91 facing away from the substrate 1, the third inclined portion 6 is correspondingly disposed on a side of the second inclined portion 92 facing away from the substrate 1, and the pixel opening K exposes a portion of the third flat portion 5 and the third inclined portion 6 of the first electrode block 4.
It can be understood that the second flat portion 91 and the second inclined portion 92 are disposed at the portion of the planarization layer 9 located in the curved display area, so that the first electrode block 4 formed on the planarization layer 9 is correspondingly formed with the third flat portion 5 and the third inclined portion 6, and the third flat portion 5 and the third inclined portion 6 of the first electrode block 4 are respectively supported by the second flat portion 91 and the second inclined portion 92 of the planarization layer 9, so as to improve the stability of the first electrode block 4.
In other alternative embodiments, the surface of the planarization layer 9 facing away from the substrate 1 is a plane, and the first electrode block 4 located in the curved display area WA includes the connected third flat portion 5 and third inclined portion 6. The part of the pixel defining layer 2 located in the curved surface display area comprises a first pixel defining part and a second pixel defining part, the first pixel defining part comprises a fourth inclined surface part, the third flat part 5 is arranged on the surface of one side of the planarization layer 9, which faces away from the substrate 1, the third inclined surface part 6 is arranged on the side of the fourth inclined surface part, which faces away from the substrate 1, the second pixel defining part at least partially covers the first electrode block 4, the second pixel defining part comprises a pixel opening K, and part of the third flat part 5 and the third inclined surface part 6 of the first electrode block 4 are exposed by the pixel opening K.
It will be understood that in the present embodiment, the surface of the planarization layer 9 facing away from the substrate 1 is a plane, and the first pixel defining portion including the fourth inclined surface portion is provided on the planarization layer 9 to support the third inclined surface portion 6 forming the first electrode block 4, that is, the first pixel defining portion is formed on the surface of the planarization layer 9 facing away from the substrate 1, then the third flat portion 5 and the third inclined surface portion 6 of the first electrode block 4 are formed on the third inclined surface portion 6 and the planarization layer 9, respectively, and finally the second pixel defining portion is formed on the first electrode block 4, and part of the third flat portion 5 and the third inclined surface portion 6 of the first electrode block 4 are exposed through the pixel opening K.
Alternatively, the pixel defining layer 2 may be formed at one time on the side of the first electrode block 4 facing away from the substrate 1 in the flat display area PA without additionally forming the first pixel defining part including the fourth inclined surface part. The pixel defining layer 2 is formed to at least partially cover the surface of the first electrode block 4 facing away from the substrate 1, and the pixel opening K exposes a portion of the first electrode block 4.
Optionally, the light-emitting layer is further covered with a cathode layer, and the cathode material is generally a material with a lower work function so as to facilitate electron injection, and in addition, heat generated in the working process can be reduced, so that the service life of the OLED device is prolonged. The material of the cathode may be one of silver (Ag), aluminum (Al), lithium (Li), magnesium (Mg), ytterbium (Yb), calcium (Ca), indium (In), or an alloy of the foregoing metal materials, such as magnesium-silver alloy (Mg/Ag), lithium-aluminum alloy (Li/Al), which is not limited In this embodiment. An electric field is formed between the anode layer and the cathode layer to drive the light-emitting layer to emit light for display.
Alternatively, the substrate 1 includes a plurality of pixel circuits including the driving transistor T, and the anode layer is electrically connected to one of the source S and the drain D of the driving transistor T. The driving transistor T may specifically be a thin film transistor, and the thin film transistor includes a gate electrode G, a source electrode S, a drain electrode D, and materials of the drain electrode D, the source electrode S, and the gate electrode G may include one or more combinations of molybdenum, titanium, aluminum, copper, and the like. The gate electrode G of the thin film transistor is generally used for receiving a control signal, so that the thin film transistor is turned on or off under the control of the control signal.
In some alternative embodiments, the display panel further includes a cover plate 7, where the cover plate 7 is disposed on a side of the light-emitting layer facing away from the substrate 1, and the cover plate 7 has a central area and a curved area adjacent to each other, and an angle α between a normal line of the curved area and a plane direction of the substrate 1 perpendicular to the planar display area is gradually increased along a bending direction of the curved area.
It is understood that the larger the angle α between the normal line of the curved surface area at the position farther from the central area and the plane direction of the substrate 1 perpendicular to the plane display area, that is, the distance of a certain position of the curved surface area from the central area and the angle α between the normal line of the curved surface area at the position and the plane direction of the substrate 1 perpendicular to the plane display area are in a function relationship.
Considering that the conventional main stream display devices are rectangular structures, curved display products are often also hyperbolic products, so the following embodiments are described in terms of a structure in which the first curved area WA1 and the second curved area WA2 are disposed on opposite sides of the central area of the cover plate 7. It will be appreciated that depending on the design mechanism and the actual use, it may be desirable to design products of different dimensions and radii of curvature, such as hyperboloid or quadric.
Specifically, the curved surface area comprises a first curved surface area WA1 and a second curved surface area WA2, the first curved surface area WA1 and the second curved surface area WA2 are respectively arranged on two opposite sides of the central area, and the first curved surface area WA1 and the second curved surface area WA2 are symmetrical with respect to the center of the central area; alternatively, the first light emitting units 3 corresponding to the first curved surface area WA1 and the first light emitting units 3 corresponding to the second curved surface area WA2 are symmetrically distributed about the center of the central area.
Specifically, the first light emitting units 3 corresponding to the first curved surface area WA1 and the second curved surface area WA2 and having different surface areas of the first inclined surface portion 32 are symmetrically distributed about the center of the central area, so as to avoid an obvious color shift difference between the first curved surface area WA1 and the second curved surface area WA2 when the first curved surface area WA1 and the second curved surface area WA2 are observed at the same viewing angle, and improve the display effect of the display panel.
It can be understood that the farther the first curved surface area WA1 and the second curved surface area WA2 are located at opposite sides of the central area, the larger the included angle α between the normal line of the location and the plane direction of the substrate 1 perpendicular to the plane display area is gradually, so as to realize a hyperboloid structure of the display panel, and the orthographic projection of the first light emitting unit 3 on the cover plate 7 is located in the first curved surface area WA1 and the second curved surface area WA2, so as to realize the light emitting display of the first curved surface area WA1 and the second curved surface area WA 2.
Optionally, an optical adhesive layer 8 is further disposed between the cover plate 7 and the display module 10 for connection, and the optical adhesive layer 8 may specifically be made of an adhesive material such as OCA (Optically CLEAR ADHESIVE, optical adhesive).
In some alternative embodiments, the surface area of the first inclined surface portion 32 of the first light emitting unit 3 corresponding to the first curved surface area WA1 facing away from the substrate 1 is in direct proportion to the included angle between the first curved surface area WA1 and the direction perpendicular to the plane of the substrate 1 in the plane display area; and/or, the surface area of the first inclined surface part 32 of the first light emitting unit 3 corresponding to the second curved surface area WA2, which faces away from the substrate 1, and the included angle of the second curved surface area WA2 and the plane direction of the substrate 1 perpendicular to the plane display area are in direct proportion.
It should be noted that, since the orthographic projection of the first light emitting unit 3 on the cover 7 is located in the first curved surface area WA1 and the second curved surface area WA2, the bending or bending degree of the first light emitting unit 3 and the bending or bending degree of the first curved surface area WA1 and the second curved surface area WA2 are in a direct proportion, and the larger the included angle between the first curved surface area WA1 and the plane direction of the substrate 1 perpendicular to the plane display area or the included angle between the second curved surface area WA2 and the plane direction of the substrate 1 perpendicular to the plane display area, that is, the bending or bending degree of a certain position of the first curved surface area WA1 and the second curved surface area WA2, the larger the included angle between the first curved surface area WA1 and the plane direction of the substrate 1 perpendicular to the plane display area WA1, the larger the surface area of the first inclined surface 32 of the first light emitting unit 3 corresponding to the first curved surface area WA1 facing away from the substrate 1. Similarly, the larger the included angle between the second curved surface area WA2 and the plane direction of the substrate 1 perpendicular to the plane display area, the larger the surface area of the first inclined surface portion 32 of the first light emitting unit 3 corresponding to the second curved surface area WA2 facing away from the substrate 1. Further, the difference in color shift between the flat display area PA and the curved display area WA can be reduced.
In some alternative embodiments, the ratio of the surface area of the first inclined surface portion 32 of the first light emitting unit 3 on the side facing away from the substrate 1 to the sum of the surface areas of the first flat portion 31 and the first inclined surface portion 32 of the first light emitting unit 3 on the side facing away from the substrate 1 is 0.3 to 0.8. It should be understood that the above ratio is not particularly limited, and specifically needs to be selected according to the degree of bending or buckling of the first light emitting unit 3 or the degree of bending or buckling of the first curved surface area WA1 and the second curved surface area WA 2.
In some alternative embodiments, the electrode layer is a single metal layer structure; or the electrode layer comprises a composite conductive layer structure formed by at least two layers; alternatively, the electrode layer includes an Indium Tin Oxide (ITO) layer, a silver (Ag) layer, and an Indium Tin Oxide (ITO) layer, which are stacked. The material of the electrode layer is generally a material having a high work function in order to improve hole injection efficiency, and may be gold (Au), platinum (Pt), titanium (Ti), silver (Ag), indium Tin Oxide (ITO), zinc tin oxide (IZO), or a transparent conductive polymer (e.g., polyaniline), etc.
The embodiment of the invention also provides a display device, and the display panel is the display panel in any embodiment. Therefore, the display device provided in the embodiment of the present invention has the technical effects of the technical solution of the display panel in any of the above embodiments, and the same or corresponding structures and explanations of terms as those of the above embodiments are not repeated herein. The display panel provided by the embodiment of the invention can be a mobile phone or any electronic product with a display function, including but not limited to the following categories: television, notebook computer, desktop display, tablet computer, digital camera, smart bracelet, smart glasses, vehicle-mounted display, medical equipment, industrial control equipment, touch interactive terminal, etc., which are not particularly limited in this embodiment of the invention.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. The present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
Claims (12)
1. A display panel having adjacent flat display areas and curved display areas, the display panel comprising:
A substrate;
the pixel definition layer is arranged on one side of the substrate and comprises a plurality of pixel openings;
An electrode layer at least partially disposed between the substrate and the pixel defining layer, the electrode layer including a plurality of first electrode blocks at least partially exposed through the pixel openings;
The light-emitting layer comprises a first light-emitting unit, the first light-emitting unit is at least partially arranged on one side of the first electrode block, which is away from the substrate, and in the direction vertical to the plane where the substrate is, the overlapped part of the first light-emitting unit and the first electrode block arranged in the curved surface display area comprises a first flat part and a first inclined surface part which are connected, and the first inclined surface part is arranged on one side of the first flat part, which is away from the plane display area;
Along the bending direction of the curved surface display area, the surface area of the first inclined surface part of each first light-emitting unit positioned in the curved surface display area, which is away from one side of the substrate, is gradually increased.
2. The display panel according to claim 1, wherein a sum of surface areas of the first flat portion and the first inclined surface portion of each of the first light emitting units located in the curved display area on a side facing away from the substrate is equal.
3. The display panel according to claim 1, wherein the first slope portion is inclined at a predetermined angle with respect to the first flat portion in a direction away from the substrate.
4. The display panel according to claim 2, wherein a portion where the first light emitting unit and the first electrode block provided in the flat display area overlap in a direction perpendicular to a plane in which the substrate is located includes a planar portion, and a sum of surface areas of the first flat portion and the first inclined surface portion of the first light emitting unit, which are individually located in the curved display area, on a side facing away from the substrate is equal to a surface area of the surface of the first inclined surface portion, which is individually located in the flat display area, on a side facing away from the substrate.
5. The display panel according to claim 4, wherein a shape of a portion where the first light emitting unit and the first electrode block provided in the flat display area overlap is the same in a direction perpendicular to a plane in which the substrate is located; and/or the shape of the overlapped part of the first light-emitting unit and the first electrode block in the curved surface display area is the same.
6. The display panel of claim 1, further comprising a planarization layer disposed between the substrate and the electrode layer;
The part of the planarization layer located in the curved surface display area comprises a second flat part and a second inclined surface part which are connected, the first electrode block located in the curved surface display area comprises a third flat part and a third inclined surface part which are connected, the third flat part is correspondingly arranged on one side of the second flat part, which is away from the substrate, the third inclined surface part is correspondingly arranged on one side of the second inclined surface part, which is away from the substrate, and the pixel opening exposes part of the third flat part and the third inclined surface part of the first electrode block;
or, the surface of one side of the planarization layer, which is away from the substrate, is a plane, the first electrode block located in the curved surface display area comprises a third flat portion and a third inclined surface portion which are connected, the part of the pixel definition layer located in the curved surface display area comprises a first pixel definition portion and a second pixel definition portion, the first pixel definition portion comprises a fourth inclined surface portion, the third flat portion is arranged on the surface of one side of the planarization layer, which is away from the substrate, the third inclined surface portion is arranged on the surface of one side of the fourth inclined surface portion, which is away from the substrate, the second pixel definition portion at least partially covers the first electrode block, the second pixel definition portion comprises a pixel opening, and part of the first electrode block is exposed by the pixel opening, and the third flat portion and the third inclined surface portion are exposed by the pixel opening.
7. The display panel according to claim 1, further comprising a cover plate, wherein the cover plate is disposed on a side of the light-emitting layer facing away from the substrate, the cover plate has a central region and a curved region adjacent to each other, and an included angle between a normal line of the curved region and a direction perpendicular to a plane of the substrate in the planar display region is gradually increased along a bending direction of the curved region.
8. The display panel according to claim 7, wherein the surface area of the first inclined surface portion of the first light emitting unit corresponding to the curved surface area facing away from the substrate is in direct proportion to an included angle between the curved surface area and a direction perpendicular to a plane of the substrate in which the flat display area is located.
9. The display panel of claim 7, wherein the curved region comprises a first curved region and a second curved region, the first curved region and the second curved region are disposed on opposite sides of the central region, respectively, and the first curved region and the second curved region are symmetrical about a center of the central region.
10. The display panel of claim 9, wherein the first light emitting units corresponding to the first curved region and the first light emitting units corresponding to the second curved region are symmetrically distributed about a center of the central region.
11. The display panel according to claim 7, wherein a ratio of a surface area of the first inclined surface portion corresponding to the first light emitting unit located in the curved surface area on a side facing away from the substrate to a sum of surface areas of the first flat portion and the first inclined surface portion of the first light emitting unit facing away from the substrate is 0.3 to 0.8.
12. A display device comprising the display panel according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329180.4A CN114023897B (en) | 2021-11-10 | 2021-11-10 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329180.4A CN114023897B (en) | 2021-11-10 | 2021-11-10 | Display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114023897A CN114023897A (en) | 2022-02-08 |
| CN114023897B true CN114023897B (en) | 2024-04-30 |
Family
ID=80063162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111329180.4A Active CN114023897B (en) | 2021-11-10 | 2021-11-10 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114023897B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282721A (en) * | 2013-07-01 | 2015-01-14 | 三星显示有限公司 | Organic light emitting diode display and pixel |
| CN108022943A (en) * | 2016-11-02 | 2018-05-11 | 京东方科技集团股份有限公司 | Organic LED display panel and preparation method thereof, mask plate |
| CN110010646A (en) * | 2017-12-13 | 2019-07-12 | 乐金显示有限公司 | Curved-surface display device and its manufacturing method |
| CN110767815A (en) * | 2019-11-01 | 2020-02-07 | 京东方科技集团股份有限公司 | OLED display panel and display device |
| CN110828535A (en) * | 2019-12-20 | 2020-02-21 | 武汉天马微电子有限公司 | Array substrate, display panel and display device |
| CN111477108A (en) * | 2020-04-26 | 2020-07-31 | 武汉华星光电半导体显示技术有限公司 | Display panel, preparation method thereof and display device |
| US10937987B1 (en) * | 2018-07-20 | 2021-03-02 | Apple Inc. | Electronic devices having displays with tilted anodes |
-
2021
- 2021-11-10 CN CN202111329180.4A patent/CN114023897B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282721A (en) * | 2013-07-01 | 2015-01-14 | 三星显示有限公司 | Organic light emitting diode display and pixel |
| CN108022943A (en) * | 2016-11-02 | 2018-05-11 | 京东方科技集团股份有限公司 | Organic LED display panel and preparation method thereof, mask plate |
| CN110010646A (en) * | 2017-12-13 | 2019-07-12 | 乐金显示有限公司 | Curved-surface display device and its manufacturing method |
| US10937987B1 (en) * | 2018-07-20 | 2021-03-02 | Apple Inc. | Electronic devices having displays with tilted anodes |
| CN110767815A (en) * | 2019-11-01 | 2020-02-07 | 京东方科技集团股份有限公司 | OLED display panel and display device |
| CN110828535A (en) * | 2019-12-20 | 2020-02-21 | 武汉天马微电子有限公司 | Array substrate, display panel and display device |
| CN111477108A (en) * | 2020-04-26 | 2020-07-31 | 武汉华星光电半导体显示技术有限公司 | Display panel, preparation method thereof and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114023897A (en) | 2022-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108268168B (en) | Display device with integrated touch screen and method of manufacturing the same | |
| US9501165B2 (en) | Organic light emitting diode display device with touch screen and method of fabricating the same | |
| JP2024001265A (en) | display device | |
| US11239442B2 (en) | Display panel and display device | |
| CN110190099B (en) | Display panel and display device | |
| CN111293158B (en) | Display panel and display device | |
| CN109004005B (en) | Display panel, manufacturing method thereof and display device | |
| CN210073852U (en) | Display panel and display device | |
| CN109256491B (en) | Display panel, display module and electronic device | |
| US20180190748A1 (en) | Organic light emitting display device | |
| CN112038366B (en) | Display panel and display apparatus including the same | |
| CN113437048B (en) | Display device | |
| US11217638B2 (en) | Display device | |
| CN114256437B (en) | OLED display panel and display device | |
| KR20200021016A (en) | organic light emitting display device | |
| CN112447766A (en) | Foldable display | |
| CN110323257A (en) | Array substrate, display panel and display device | |
| CN114049846A (en) | Supporting member and display device | |
| CN112447104A (en) | Folding frame and foldable display | |
| KR20210010717A (en) | Display device | |
| KR101703430B1 (en) | Touch display apparatus | |
| US8421343B2 (en) | Organic light emitting display device and manufacturing method therefor | |
| CN114023897B (en) | Display panel and display device | |
| US20110279394A1 (en) | Touch screen panel structure of mobile device | |
| CN116096144A (en) | Display panel, display panel manufacturing method and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |