CN203746831U - Flexible display - Google Patents
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- CN203746831U CN203746831U CN201420093688.8U CN201420093688U CN203746831U CN 203746831 U CN203746831 U CN 203746831U CN 201420093688 U CN201420093688 U CN 201420093688U CN 203746831 U CN203746831 U CN 203746831U
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- flexible substrate
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- 238000005192 partition Methods 0.000 claims abstract description 195
- 239000000758 substrate Substances 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 238000002161 passivation Methods 0.000 claims description 21
- 239000010409 thin film Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 67
- 238000000034 method Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 239000012769 display material Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model relates to the technical field of flexible display and discloses a flexible display. The flexible display comprises a first flexible substrate, a pixel defining layer and a cathode; the pixel defining layer is made of resin material; a first partition wall has a convex structure, and the convex structure forms a first channel whose opening deviates from the first flexible substrate and which extends along the length direction of the first partition wall; a second partition wall has a convex structure, and the convex structure forms a second channel whose opening deviates from the first flexible substrate and which extends along the length direction of the second partition wall; the part, facing a first defining wall, of the cathode has a bent shape corresponding to the first channel; and the part, facing a second defining wall, of the cathode has a bent shape corresponding to the second channel. When the flexible display is bent along the first partition wall or along the second partition wall, the cathode can release the suffered stress, and the quality of the flexible display can be improved.
Description
Technical Field
The utility model relates to a flexible display technical field, in particular to flexible display.
Background
Flexible displays have many advantages, such as being flexible, impact resistant, shock resistant, light weight, small, more portable, and so on. The main flexible display materials at present can be roughly divided into three types: electronic paper (or flexible electrophoretic display), flexible OLED, flexible liquid crystal, and the like.
The flexible display comprises an anode, a pixel defining layer and a cathode, wherein the flexible display is provided with a pixel area and a non-pixel area, the pixel defining layer is provided with a plurality of parallel transverse partition walls and a plurality of parallel longitudinal partition walls which are positioned in the non-pixel area, the transverse partition walls and the longitudinal partition walls are arranged in a crossed mode to partition the plurality of pixel areas of the flexible display, the anode is provided with electrode patterns which are in one-to-one correspondence with the pixel areas and positioned in the pixel areas, each pixel area is internally provided with an electroluminescent layer, the cathode is of an integral layer structure which is positioned on one side, away from the anode, of the electroluminescent layer and formed on the pixel defining layer, the light emitting condition of the electroluminescent layer corresponding to the pixel area is controlled by controlling the potential of the anode pattern in each pixel unit, and the display of the flexible display is further controlled.
However, the cathode of the flexible display is a plate-shaped electrode made of a metal material, and the cathode is easily broken by stress when being bent in the bending process of the flexible display, so that the display quality is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flexible display, the stress that the negative pole received when this flexible display can release flexible display crooked improves flexible display's quality.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a flexible display comprising a first flexible substrate, a pixel defining layer and a cathode, the pixel defining layer being located between the first flexible substrate and the cathode, the pixel defining layer comprising a plurality of first partition walls distributed in parallel and a plurality of second partition walls distributed in parallel, the first and second partition walls being arranged to intersect to define a plurality of pixel regions, the pixel defining layer being a pixel defining layer made of a resin material, wherein:
the first partition wall is provided with a convex structure protruding to one side deviating from the first flexible substrate, the top of the convex structure is arc-shaped in the cross section of the first partition wall along the length direction perpendicular to the first partition wall, and the convex structure of the first partition wall forms a first channel with an opening deviating from the first flexible substrate and extending along the length direction of the first partition wall;
the second partition wall is provided with a convex structure protruding to one side away from the first flexible substrate, the top of the convex structure is arc-shaped in the cross section of the second partition wall along the length direction perpendicular to the second partition wall, and the convex structure of the second partition wall forms a second channel with an opening away from the first flexible substrate and extending along the length direction of the second partition wall;
the part of the cathode, which is opposite to the first partition wall, is arranged along the surface of the first partition wall and has a bent shape corresponding to the first channel; the part of the cathode, which is opposite to the second partition wall, is arranged along the surface of the second partition wall and has a bent shape corresponding to the second channel.
The flexible display comprises a pixel defining layer made of resin material and having a certain flexibility, wherein the first partition wall and the second partition wall of the pixel defining layer are provided with a convex structure protruding to one side away from the first flexible substrate, the convex structure of the first partition wall forms a first channel with an opening away from the first flexible substrate and extending along the length direction of the first partition wall, the convex structure of the second partition wall forms a second channel with an opening away from the first flexible substrate and extending along the length direction of the second partition wall, the cathode is positioned on the pixel defining layer, the part of the cathode opposite to the first channel is provided with a bending shape corresponding to the first channel, the part of the cathode opposite to the second channel is provided with a bending shape corresponding to the second channel, therefore, when the flexible display is bent along the length direction of the first partition wall, the second partition wall can be deformed in the direction perpendicular to the extending direction of the second channel, the bent part of the cathode, which is opposite to the second channel, deforms together with the second channel, and the stress is released through the deformation of the second channel; similarly, when the flexible display is bent along the length direction of the second partition wall, the first partition wall may be deformed in a direction perpendicular to the extending direction of the first channel, and the bent portion of the cathode facing the first channel is deformed together with the first channel, and the stress applied is released by the deformation of the first channel.
Therefore, when the flexible display is bent along the first partition wall or the second partition wall, the cathode can release the stress, the risk of the cathode breaking due to the bending stress is reduced, and the quality of the flexible display is improved.
Preferably, each of the first partition walls is located at a portion between any adjacent two of the second partition walls:
the protruding structures arranged on the first partition wall are a plurality of strip-shaped protrusions extending along the length direction of the first partition wall, and a first channel is formed between any two adjacent strip-shaped protrusions; or,
first partition wall sets up protruding structure is a plurality of archs of array distribution, and each row bellied array orientation with the length direction of first partition wall is parallel, each line bellied array orientation with the length direction of second partition wall is parallel, forms a first channel between two arbitrary adjacent archs, forms an extending direction between two arbitrary adjacent lines of archs with the parallel channel of second channel extending direction.
Preferably, each of the second partition walls is located at a portion between any adjacent two of the first partition walls:
the second partition wall is provided with a plurality of strip-shaped bulges extending along the length direction of the second partition wall, and a second channel is formed between any two adjacent strip-shaped bulges; or,
the second division wall sets up protruding structure is a plurality of archs of array distribution, and each line bellied array orientation with the length direction of second division wall is parallel, each row bellied array orientation with the length direction of first division wall is parallel, forms a second channel between two arbitrary adjacent row archs, arbitrary adjacent two columns form an extending direction between protruding with the parallel channel of first channel extending direction.
Preferably, the display device further comprises a thin film transistor switch TFT, a first passivation layer and an anode which are sequentially formed on the first flexible substrate, wherein the TFT, the first passivation layer and the anode are located between the pixel defining layer and the first flexible substrate; in the first partition wall, a depth of the first trench reaches the first passivation layer; and or (b) a,
in the second partition wall, a depth of the second trench reaches the first passivation layer.
Preferably, the first partition wall has two or more protrusions, and the second partition wall has two or more protrusions.
Preferably, one surface of the cathode, which is far away from the first flexible substrate, is sequentially provided with a second passivation layer and a second flexible substrate, which is bonded to the side, far away from the cathode, of the second passivation layer through a bonding glue layer.
Preferably, the flexible display has a top emission type structure, a bottom emission type structure, or an inverted type flexible display structure.
On the other hand, the utility model provides a preparation method of any kind of flexible display that provides among the above-mentioned technical scheme, include:
forming a thin film transistor switch TFT on a first flexible substrate;
forming an anode metal layer on the TFT, and forming an anode pattern through a composition process;
forming a resin material layer, and forming a pixel defining layer pattern having a first partition wall and a second partition wall through a gray scale exposure composition process, wherein the first partition wall has a convex structure protruding to a side facing away from the first flexible substrate, a top of the convex structure is arc-shaped in a cross section perpendicular to a length direction of the first partition wall, and the convex structure of the first partition wall forms a first channel having an opening facing away from the first flexible substrate and extending in the length direction of the first partition wall; the second partition wall is provided with a convex structure protruding to one side away from the first flexible substrate, the top of the convex structure is arc-shaped in the cross section of the second partition wall along the length direction perpendicular to the second partition wall, and the convex structure of the second partition wall forms a second channel with an opening away from the first flexible substrate and extending along the length direction of the second partition wall;
preparing a cathode metal layer, wherein a portion of the cathode facing the first partition wall is disposed along a surface of the first partition wall and has a curved shape corresponding to the first channel; the part of the cathode, which is opposite to the second partition wall, is arranged along the surface of the second partition wall and has a bent shape corresponding to the second channel.
Preferably, the forming of the pixel defining layer pattern having the first partition wall and the second partition wall by the gray scale exposure patterning process specifically includes:
forming a first partition wall and a second partition wall through a gray scale exposure composition process;
forming a convex structure on one surface of the first partition wall, which is far away from the first flexible substrate;
and forming a convex structure on one surface of the second partition wall, which is away from the first flexible substrate.
Drawings
Fig. 1 is a schematic structural diagram of a flexible display according to an embodiment of the present invention;
fig. 2a is a schematic structural diagram of a pixel definition layer in a flexible display according to an embodiment of the present invention;
FIG. 2b is a schematic structural diagram of the pixel definition layer shown in FIG. 2a when the first partition wall is deformed under a force;
fig. 3 is a schematic structural diagram of a pixel definition layer in a flexible display according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of the pixel defining layer structure of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of the pixel defining layer structure of FIG. 3;
fig. 6 is another schematic structural diagram of the flexible display according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2a, an embodiment of the present invention provides a flexible display, as shown in fig. 1, the flexible display includes a first flexible substrate 6, a pixel defining layer 1 and a cathode 2 sequentially formed on the first flexible substrate 6, the pixel defining layer 1 is located between the first flexible substrate 6 and the cathode 2, as shown in fig. 2a, the pixel defining layer 1 includes a plurality of first partition walls 11 distributed in parallel and a plurality of second partition walls 12 distributed in parallel, the first partition walls 11 and the second partition walls 12 are arranged in a crossing manner to define a plurality of pixel regions, the pixel defining layer 1 is a pixel defining layer made of a resin material, and specifically can be a pixel defining layer made of a photosensitive resin material, wherein:
the first partition walls 11 have protruding structures 111 protruding to the side away from the first flexible substrate 6, the top of the protruding structures 111 is arc-shaped in the cross section of the first partition walls 11 along the direction perpendicular to the length direction of the first partition walls 11, and the protruding structures 111 of the first partition walls 11 form first channels 112 having openings away from the first flexible substrate 6 and extending along the length direction of the first partition walls 11;
the second partition wall 12 is provided with a convex structure 121 protruding to the side away from the first flexible substrate 6, the top of the convex structure 121 is arc-shaped in the cross section of the second partition wall 12 along the direction perpendicular to the length direction of the second partition wall 12, and the convex structure 121 of the second partition wall 12 forms a second channel 122 with an opening away from the first flexible substrate 6 and extending along the length direction of the second partition wall 12;
the part of the cathode 2 opposite to the first partition wall 11 is arranged along the surface of the first partition wall 11, so that the part of the cathode 2 opposite to the first partition wall 11 is in a shape corresponding to the shape of the surface of the first partition wall 11 on the side away from the first flexible substrate 6, and the part of the cathode 2 opposite to the first partition wall 11 is in a bent shape corresponding to the first channel 112; meanwhile, the part of the cathode 2 facing the second partition wall 12 is arranged along the surface of the second partition wall 12, so that the part of the cathode 2 facing the second partition wall 12 is formed into a shape corresponding to the shape of the surface of the second partition wall 12 on the side away from the first flexible substrate 6, and the part of the cathode 2 facing the second partition wall 12 is curved corresponding to the second channel 121.
The flexible display has a certain flexibility, the first partition wall 11 of the pixel defining layer 1 has a convex structure 111 protruding to the side away from the first flexible substrate 6, the second partition wall 12 has a convex structure 121 protruding to the side away from the first flexible substrate 6, the convex structure 111 of the first partition wall 11 forms a first channel 112 opening away from the first flexible substrate 6 and extending along the length direction of the first partition wall 11, the convex structure 121 of the second partition wall 12 forms a second channel 122 opening away from the first flexible substrate 6 and extending along the length direction of the second partition wall 12, the cathode 2 is located on the pixel defining layer 1, the portion of the cathode 2 opposite to the first channel 112 has a curved shape corresponding to the first channel 112, the portion of the cathode opposite to the second channel 122 has a curved shape corresponding to the second channel 122, the top of the protrusion structure 111 of the first partition wall 11 in the cross section perpendicular to the length direction of the first partition wall 11 is arc-shaped, and the top of the protrusion structure 121 of the second partition wall 12 in the cross section perpendicular to the length direction of the second partition wall 12 is arc-shaped, so that the cathode 2 is also curved in shape at the protrusion structure 111 and the first channel 112, the protrusion structure 121, and the second channel 122, thereby reducing stress concentration when the cathode 2 is deformed, and preventing the cathode 2 from being broken by releasing the stress through the curved portion of the cathode 2.
Therefore, as shown in fig. 2b, when the flexible display is bent in the direction b indicated by the arrow in fig. 2a, that is, when the flexible display is bent in the length direction of the first partition wall 11, the second partition wall 12 may be deformed in the direction perpendicular to the extending direction of the second channel 122, and the bent portion of the cathode 2 facing the second channel 122 is deformed together with the second channel 122, and the stress applied is released by the deformation of the bent portion, thereby preventing the cathode 2 from being broken.
Similarly, when the flexible display is bent in the direction a shown by the arrow in fig. 2a, that is, when the flexible display is bent in the length direction of the second partition wall 12, the first partition wall 11 may be deformed in the direction perpendicular to the extending direction of the first channel 112, and the curved portion of the cathode 2 facing the first channel 112 is deformed together with the first channel 112, and the stress applied is released by the deformation of the curved portion, so as to prevent the cathode 2 from breaking.
Therefore, when the flexible display is bent along the length direction of the first partition wall 11 or the second partition wall 12, the cathode 2 can release the stress, the risk of the cathode 2 breaking due to the bending stress is reduced, and the quality of the flexible display is improved. It should be noted that, in addition to the bending along the directions a and b in fig. 2a, the present invention may also bend along any angle direction from the first partition wall 11 or the second partition wall 12 along the plane of the pixel defining layer 1. For example, when the first partition wall 11 is bent counterclockwise at an angle of 45 degrees, the bending stress at this time acts on the crossing position of the first partition wall 11 and the second partition wall 12, and the stress received at this time can be released by the deformation of the bent portion of the cathode 2, thereby preventing the cathode 2 from being broken.
It should be noted that, in the flexible display provided by the present invention, the protrusion of the first partition wall 11 that the pixel defining layer has may be two or more, and the protrusion of the second partition wall 12 may be two or more, and the more protrusions, the better the flexible performance of the flexible display device is, and the more protrusions can be set as required.
On the basis of the above embodiments, the protrusion structures 111 provided on the first partition wall 11 may be provided in various manners, such as:
a portion of each first partition wall 11 located between any adjacent two second partition walls 12:
as shown in fig. 2a, the protrusion structure 111 of the first partition wall 11 is a plurality of strip-shaped protrusions extending along the length direction of the first partition wall 11, and a first channel 112 is formed between any two adjacent strip-shaped protrusions; or,
as shown in fig. 3 and 4, the protrusion structure 111 of the first partition wall 11 is a plurality of protrusions distributed in an array, and an arrangement direction of each row of protrusions is parallel to a length direction of the first partition wall 11, an arrangement direction of each row of protrusions is parallel to a length direction of the second partition wall 12, a first channel 112 is formed between any two adjacent rows of protrusions, a second channel 122 is formed between any two adjacent rows of protrusions, and a channel 113 having an extension direction parallel to an extension direction of the second channel 122 is formed between any two adjacent rows of protrusions as shown in fig. 4.
Similarly, the protruding structure 121 provided on each second partition wall 12 may be provided in a variety of ways, such as:
each of the second partition walls 12 is located at a portion between any adjacent two of the first partition walls 11:
as shown in fig. 2a, the protrusion structure 121 of the second partition wall 12 is a plurality of strip-shaped protrusions extending along the length direction of the second partition wall 12, and a second channel 122 is formed between any two adjacent strip-shaped protrusions; or,
as shown in fig. 3 and 5, the protrusion structure 121 of the second partition wall 12 is a plurality of protrusions distributed in an array, an arrangement direction of each row of protrusions is parallel to a length direction of the second partition wall 12, an arrangement direction of each column of protrusions is parallel to a length direction of the first partition wall 11, a second channel 122 is formed between any two adjacent rows of protrusions, and as shown in fig. 5, a channel 123 with an extension direction parallel to an extension direction of the first channel 112 is formed between any two adjacent columns of protrusions.
As shown in fig. 1, in a preferred embodiment, the flexible display further includes a thin film transistor switch TFT, a first passivation layer 5, and an anode 3 sequentially formed on the first flexible substrate 6, where the TFT, the first passivation layer 5, and the anode 3 are located between the pixel defining layer 1 and the first flexible substrate 6, and each anode 3 is connected to the drain 46 of its corresponding TFT through a via hole; in each pixel region, an organic light emitting layer 9 is disposed between the anode 3 and the cathode 2.
The TFT may be of a top gate type, and specifically includes:
an active layer 41, a gate insulating layer 42, a gate electrode 43, an interlayer insulating layer 44, a source electrode 45, and a drain electrode 46 formed in this order on the first flexible substrate 6; the source electrode 45 and the drain electrode 46 are connected to the active layer through vias, respectively.
Or, the TFT is a bottom gate type, and specifically includes:
and the gate electrode, the gate insulating layer, the active layer and the source and drain electrodes are sequentially formed on the first flexible substrate 6.
In the flexible display, the deeper the depth of the first and second channels 112 and 122 is, the better the flexibility of the flexible display is, and the less easily the cathode is broken when the flexible display is bent.
In one embodiment, the depth of the first trenches 112 provided in the first partition walls 11 may reach the first passivation layer 5; and/or the presence of a gas in the gas,
the depth of the second trenches 122 in the second partition walls 12 may reach the first passivation layer 5.
As shown in fig. 1, in the flexible display, a second passivation layer 10 and a second flexible substrate 7 bonded to the second passivation layer 10 through a bonding glue layer 8 are sequentially disposed on a surface of the cathode 2 facing away from the first flexible substrate 6.
Of course, as shown in fig. 6, in the flexible display, the side of the cathode 2 facing away from the first flexible substrate 6 is provided with the second passivation layer 10 and the encapsulation film 101 in sequence.
And packaging is performed through the second passivation layer 10 and the second flexible substrate 7, or the second passivation layer 10 and the packaging film 101, so as to improve the service life of the flexible display.
Specifically, the above-described flexible display has a top emission type structure, a bottom emission type structure, or an inverted type flexible display structure.
On the other hand, the utility model provides a preparation method of any kind of flexible display that provides among the above-mentioned technical scheme, include:
forming a thin film transistor switch TFT on a first flexible substrate;
forming an anode metal layer on the TFT, and forming an anode pattern through a composition process;
forming a resin material layer, which may be a photosensitive resin material layer, and forming a pixel defining layer pattern having a first partition wall and a second partition wall through a gray scale exposure patterning process, wherein the first partition wall has a convex structure protruding toward a side facing away from the first flexible substrate, a top of the convex structure is arc-shaped in a cross section of the first partition wall along a direction perpendicular to a length direction of the first partition wall, and the convex structure of the first partition wall forms a first channel having an opening facing away from the first flexible substrate and extending along the length direction of the first partition wall; the second partition wall is provided with a convex structure protruding to one side departing from the first flexible substrate, the top of the convex structure is arc-shaped in the cross section of the second partition wall along the length direction of the second partition wall, and the convex structure of the second partition wall forms a second channel with an opening departing from the first flexible substrate and extending along the length direction of the second partition wall;
preparing a cathode metal layer, wherein a portion of the cathode facing the first partition wall is disposed along a surface of the first partition wall and has a curved shape corresponding to the first channel; the part of the cathode, which is opposite to the second partition wall, is arranged along the surface of the second partition wall and has a bent shape corresponding to the second channel.
Preferably, the forming of the pixel defining layer pattern having the first and second partition walls by the gray scale exposure patterning process specifically includes:
forming a first partition wall and a second partition wall through a gray scale exposure composition process;
forming a convex structure on one surface of the first partition wall, which is far away from the first flexible substrate;
and a convex structure is formed on one surface of the second partition wall, which is away from the first flexible substrate.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A flexible display comprising a first flexible substrate, a pixel defining layer and a cathode, the pixel defining layer being located between the first flexible substrate and the cathode, the pixel defining layer comprising a plurality of first partition walls distributed in parallel and a plurality of second partition walls distributed in parallel, the first and second partition walls being arranged crosswise to enclose a plurality of pixel areas, characterized in that the pixel defining layer is a pixel defining layer made of a resin material, wherein:
the first partition wall is provided with a convex structure protruding to one side deviating from the first flexible substrate, the top of the convex structure is arc-shaped in the cross section of the first partition wall along the length direction perpendicular to the first partition wall, and the convex structure of the first partition wall forms a first channel with an opening deviating from the first flexible substrate and extending along the length direction of the first partition wall;
the second partition wall is provided with a convex structure protruding to one side away from the first flexible substrate, the top of the convex structure is arc-shaped in the cross section of the second partition wall along the length direction perpendicular to the second partition wall, and the convex structure of the second partition wall forms a second channel with an opening away from the first flexible substrate and extending along the length direction of the second partition wall;
the part of the cathode, which is opposite to the first partition wall, is arranged along the surface of the first partition wall and has a bent shape corresponding to the first channel; the part of the cathode, which is opposite to the second partition wall, is arranged along the surface of the second partition wall and has a bent shape corresponding to the second channel.
2. The flexible display of claim 1, wherein each of the first partition walls is located at a portion between any adjacent two of the second partition walls:
the protruding structures arranged on the first partition wall are a plurality of strip-shaped protrusions extending along the length direction of the first partition wall, and a first channel is formed between any two adjacent strip-shaped protrusions; or,
first partition wall sets up protruding structure is a plurality of archs of array distribution, and each row bellied array orientation with the length direction of first partition wall is parallel, each line bellied array orientation with the length direction of second partition wall is parallel, forms a first channel between two arbitrary adjacent archs, forms an extending direction between two arbitrary adjacent lines of archs with the parallel channel of second channel extending direction.
3. The flexible display of claim 1, wherein each of the second partition walls is located at a portion between any adjacent two of the first partition walls:
the second partition wall is provided with a plurality of strip-shaped bulges extending along the length direction of the second partition wall, and a second channel is formed between any two adjacent strip-shaped bulges; or,
the second division wall sets up protruding structure is a plurality of archs of array distribution, and each line bellied array orientation with the length direction of second division wall is parallel, each row bellied array orientation with the length direction of first division wall is parallel, forms a second channel between two arbitrary adjacent row archs, arbitrary adjacent two columns form an extending direction between protruding with the parallel channel of first channel extending direction.
4. The flexible display of claim 1, further comprising a Thin Film Transistor (TFT), a first passivation layer, and an anode sequentially formed on the first flexible substrate, the TFT, the first passivation layer, and the anode being between the pixel defining layer and the first flexible substrate; in the first partition wall, a depth of the first trench reaches the first passivation layer; and or (b) a,
in the second partition wall, a depth of the second trench reaches the first passivation layer.
5. The flexible display of claim 1, wherein the first partition has two or more protrusions and the second partition has two or more protrusions.
6. The flexible display according to claim 1, wherein a second passivation layer is sequentially disposed on a side of the cathode facing away from the first flexible substrate, and a second flexible substrate is bonded to a side of the second passivation layer facing away from the cathode by a bonding glue layer.
7. The flexible display according to any one of claims 1 to 6, wherein the flexible display has a top emission type structure, a bottom emission type structure, or an inverted type flexible display structure.
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| CN201420093688.8U CN203746831U (en) | 2014-03-03 | 2014-03-03 | Flexible display |
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| CN201420093688.8U CN203746831U (en) | 2014-03-03 | 2014-03-03 | Flexible display |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887261A (en) * | 2014-03-03 | 2014-06-25 | 京东方科技集团股份有限公司 | Flexible displayer and manufacturing method thereof |
| CN108110037A (en) * | 2017-12-29 | 2018-06-01 | 昆山国显光电有限公司 | Flexible display screen |
| CN108122502A (en) * | 2016-11-30 | 2018-06-05 | 乐金显示有限公司 | Foldable display device |
| CN108336094A (en) * | 2018-01-30 | 2018-07-27 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED display panel and preparation method thereof |
| CN108461630A (en) * | 2018-03-03 | 2018-08-28 | 昆山国显光电有限公司 | Flexible display substrates, display panel, display device and its manufacturing method |
| CN108807494A (en) * | 2018-07-06 | 2018-11-13 | 云谷（固安）科技有限公司 | Display base plate and preparation method thereof, display panel and display device |
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2014
- 2014-03-03 CN CN201420093688.8U patent/CN203746831U/en not_active Expired - Lifetime
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| CN108807494A (en) * | 2018-07-06 | 2018-11-13 | 云谷（固安）科技有限公司 | Display base plate and preparation method thereof, display panel and display device |
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