CN105807475B - Color membrane substrates and preparation method thereof, display panel and display device - Google Patents
Color membrane substrates and preparation method thereof, display panel and display device Download PDFInfo
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- CN105807475B CN105807475B CN201610286611.6A CN201610286611A CN105807475B CN 105807475 B CN105807475 B CN 105807475B CN 201610286611 A CN201610286611 A CN 201610286611A CN 105807475 B CN105807475 B CN 105807475B
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- 239000000758 substrate Substances 0.000 title claims abstract description 126
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000012528 membrane Substances 0.000 title abstract 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 44
- 125000006850 spacer group Chemical group 0.000 claims abstract description 21
- 238000005286 illumination Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 73
- 239000011159 matrix material Substances 0.000 claims description 22
- 239000011241 protective layer Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 30
- 239000004973 liquid crystal related substance Substances 0.000 description 23
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000006748 scratching Methods 0.000 description 4
- 230000002393 scratching effect Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 210000002858 crystal cell Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of color membrane substrates and preparation method thereof, display panel and display device, belongs to field of display technology.Color membrane substrates of the invention, including Support are provided with graphene layer in the light incident sides of the Support of the color membrane substrates；Wherein, the graphene layer generates the power of the exit direction along light, and act on the color membrane substrates under illumination condition, converting light energy into kinetic energy.Display panel and display device of the invention includes color membrane substrates.Color membrane substrates of the invention are applied in display panel, the stabilization box between color membrane substrates and array substrate can be maintained thick by graphene layer, replace spacer material in the prior art, fundamentally overcome after display panel is squeezed, spacer material scuffing both alignment layers bring correlation is bad, so as to improve image quality.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a color film substrate, a preparation method of the color film substrate, a display panel and a display device.
Background
In the TFT-LCD industry, liquid crystal molecules play a role of an electric control light valve, liquid crystal molecule layers which are stably and orderly arranged are orderly and rotationally arranged under an external electric field, and gray scale display and brightness adjustment of a liquid crystal screen are realized by utilizing the characteristic of liquid crystal birefringence and matching with polaroids which vertically act up and down. When liquid crystal is directly coated on the glass substrate, liquid crystal molecules exist in all directions and are not arranged in a uniform direction, so that the liquid crystal molecules cannot be accurately regulated. At present, a layer of pi (polyimide) resin film is mainly used on the surface of the glass substrate, and the Rubbing process (Rubbing) is performed to align the liquid crystal molecules in the grooves on the surface of the alignment layer 14 in the same direction due to the grooves aligned in the Rubbing direction on the alignment roller. Only the liquid crystal molecules are arranged in a specific direction to realize the precise electrical and motion control of the liquid crystal display screen.
In addition, in order to ensure that the display area of the display panel is uniformly stressed and resists the external force, as shown in fig. 1, columnar spacers 15(PS, Post Spacer) are arranged in the display panel according to a certain density. The spacer 15 generally maintains a certain compression ratio, and can control the gap between the upper and lower substrates (for example, the upper substrate is a color filter substrate 1 (including a color filter 11 and a black matrix 12, a protective layer 13, an alignment layer 14, and the spacer 15 disposed on the substrate 10), and the lower substrate is an array substrate) to maintain the thickness of the optimal liquid crystal cell 3, and the reaction speed, contrast, viewing angle, etc. of the liquid crystal display are closely related to the thickness of the liquid crystal layer.
In the existing liquid crystal panel, since the alignment layer 14 is required to perform liquid crystal alignment, and the spacer 15 is required to support the thickness of the liquid crystal cell 3, as shown in fig. 2, when the two substrates, i.e., the color film substrate 1 and the array substrate 2, are subjected to relative horizontal displacement Shift under the action of a large external force, the spacer 15 will generally scratch the alignment layer 14 on the surface of the opposite substrate, resulting in damage to the grooves on the surface of the alignment layer 14, and cannot induce liquid crystal to perform directional arrangement, thereby causing light leakage and poor Mura, the design generally shields and covers the area which may be scratched by increasing the size of the black matrix 12, but this method will greatly reduce the area of the opening portion of the pixel, resulting in great loss of transmittance and brightness, and reducing the competitiveness of the product.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a color film substrate, a preparation method thereof, a display panel and a display device, which fundamentally overcome the defect of poor correlation caused by scratching of an alignment layer by a spacer after the display panel is extruded, aiming at the problems of the existing liquid crystal panel.
The technical scheme adopted for solving the technical problem is that the color film substrate comprises a supporting area, wherein a graphene layer is arranged on the light incident side surface of the supporting area of the color film substrate; wherein,
the graphene layer is used for converting light energy into kinetic energy under the illumination condition, generating force along the emergent direction of light rays and acting on the color film substrate.
Preferably, the color film substrate comprises a substrate, and a color filter and a black matrix which are arranged on the substrate; the graphene layer is arranged above the black matrix, a protective layer is arranged on the layer where the graphene layer is located, and an alignment layer is arranged on the protective layer.
Preferably, the thickness of the graphene layer is 0.1-1 um.
The technical scheme adopted for solving the technical problem is a preparation method of a color film substrate, wherein the color film substrate comprises a support area, and the preparation method comprises the step of forming a graphene layer on the light incident side surface of the support area of the color film substrate; the graphene layer is used for converting light energy into kinetic energy under the illumination condition, generating force along the emergent direction of light rays and acting on the color film substrate.
Preferably, the preparation method specifically comprises the following steps:
forming a black matrix and a color filter on a substrate by a patterning process;
forming a pattern of graphene layers over at least a portion of the black matrix;
forming a protective layer;
forming an alignment layer.
Preferably, the thickness of the graphene layer is 0.1-1 um.
The technical scheme adopted for solving the technical problem of the invention is a display panel which comprises the color film substrate.
Preferably, the color filter further comprises an array substrate arranged opposite to the color film substrate, and an open light-transmitting portion is arranged at a position of the array substrate corresponding to the support region of the color film substrate.
The technical scheme adopted for solving the technical problem of the invention is a display device which comprises the display panel.
The invention has the following beneficial effects:
the color film substrate is applied to the display panel, the stable box thickness between the color film substrate and the array substrate can be maintained through the graphene layer, and a spacer in the prior art is replaced, so that the defect of poor correlation caused by scratching of the alignment layer by the spacer after the display panel is extruded is fundamentally overcome, and the image quality is improved.
Drawings
FIG. 1 is a schematic structural diagram of a conventional display panel;
FIG. 2 is a schematic diagram of the display panel of FIG. 1 after Shift occurs;
fig. 3 is a schematic structural diagram of a color film substrate according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a display panel according to embodiment 2 of the present invention.
Wherein the reference numerals are: 1. a color film substrate; 2. an array substrate; 3. a liquid crystal cell; 10. a substrate; 11. a color filter; 12. a black matrix; 13. a protective layer; 14. an alignment layer; 15. a spacer; 16. a graphene layer; 20. a base of the array substrate; 21. a gate line; 22. a first electrode; 23. a gate insulating layer; 24. a passivation layer; 25. a second electrode.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 3, the present embodiment provides a color filter substrate 1, which includes a support region, wherein a graphene layer 16 is disposed on a light incident side surface of the support region of the color filter substrate 1; the graphene layer 16 is used for converting light energy into kinetic energy under an illumination condition, generating a force along an emergent direction of light, and acting on the color film substrate 1.
Here, the light incident side surface of the color filter substrate 1 refers to: in the display device, the side of the color filter substrate 1 close to the array substrate 2 disposed opposite to the color filter substrate is the light incident side of the color filter substrate 1. The support area refers to: the existing color film substrate 1 is provided with a region of a spacer.
In the color film substrate 1 of this embodiment, the spacers in the prior art are replaced by the graphene layer 16, and the movement phenomenon of the graphene layer 16 under the illumination condition, "optical suspension," can convert light energy into kinetic energy. Specifically, when light irradiates the graphene layer 16 vertically upward, the graphene balls in the graphene layer 16 start to move upward and finally remain stable as the light intensity gradually changes from small to large. While the nature of the movement phenomenon of the graphene layer 16 under the action of light is light push: a beam is a group of photons, in terms of particles of light. It is obvious that it is natural that a group of photons generates pressure on the surface of an object when falling on the surface of the object, and according to the fluctuation of light, the interaction between the magnetic field of incident light and the current generated by the incident light on the irradiated object also forms the acting force on the object. As can be seen from this, when light is irradiated onto the graphene layer 16, a force acting on the color filter substrate 1 and along the light irradiation direction of the light is generated. Therefore, when the color filter substrate 1 in this embodiment is applied to a display panel, the stable box thickness between the color filter substrate 1 and the array substrate 2 can be maintained by the graphene layer 16, and the spacer in the prior art is replaced, so that the problem of poor correlation caused by scratching the alignment layer 14 by the spacer after the display panel is pressed is fundamentally overcome, and the image quality is improved.
As a specific structure of the color filter substrate 1 of this embodiment, the color filter substrate 1 includes a substrate 10, a color filter 11 and a black matrix 12, which are disposed on the substrate 10; the color filter 11 may include a red filter, a green filter, and a blue filter; and the colors of any two adjacent color filters 11 are different, and the black matrix 12 is disposed between the two adjacent color filters 11 and is used for preventing light leakage from a gap between the color filters 11. The black matrix 12 is a support region, a graphene layer 16 is disposed above the black matrix 12, a protective layer 13 is disposed on the graphene layer 16, and an alignment layer 14 is disposed on the protective layer 13.
Wherein, the thickness of graphite alkene layer 16 is 0.1 ~ 1 um. Of course, it can be prepared specifically according to the specific situation.
Correspondingly, the embodiment also provides a preparation method of the color film substrate 1, which specifically includes the following steps:
step one, forming a pattern comprising a filter layer through a composition process. Wherein the filter layer includes a color filter 11 and a black matrix 12.
Specifically, a black matrix 12 (BM; blackkmatrix) is formed on the substrate 10 through coating, exposing, developing, baking, etc., and color filters 11, that is, color filters 11 of, for example, red, green, blue (RGB) sub-pixels, are formed over the black matrix 12 through coating, exposing, developing, baking, etc., respectively. In which the black matrix 12 and the color filter 11 are disposed at intervals. Wherein, the thickness of the black matrix 12 is 1.2um, and the thickness of the color filter 11 is 2 um.
And step two, forming the graphene layer 16 on the substrate 10 after the above steps through coating, exposing, developing, baking and other processes, above the black matrix 12. Wherein, the thickness of graphite alkene layer 16 is 0.1 ~ 1um, preferably 0.1 um.
And step three, coating and forming a protective layer 13 on the substrate 10 which is subjected to the step.
And step four, coating a PI resin layer on the substrate 10 after the step is finished, and then performing rubbing orientation to finally form the alignment layer 14 with grooves.
In the color film substrate 1 prepared by the preparation method of the color film substrate 1 provided by the embodiment, the graphene layer 16 is illuminated, so that light energy can be converted into kinetic energy and then move upwards, the stable box thickness between the color film substrate 1 and the array substrate 2 is maintained, and the thickness of the liquid crystal box 3 is controlled by replacing a spacer with a graphite optical suspension function, so that the problem that the alignment layer 14 is scratched when the display device is extruded by the spacer is fundamentally overcome, and the image quality is improved.
Example 2:
as shown in fig. 4, the present embodiment provides a display panel, which includes the color filter substrate 1 in embodiment 1, and further includes an array substrate 2 disposed opposite to the color filter substrate 1. Here, since the color filter substrate 1 is the color filter substrate 1 in embodiment 1, the structure of the color filter substrate 1 will not be described in detail here, and the structure of the array substrate 2 will be described below.
The array substrate 2 in the display panel of the present embodiment may adopt the array substrate 2 in the prior art. Because the position of the array substrate 2 opposite to the black matrix 12 is the region where the opaque positions (i.e., the opaque portions of the array substrate 2) such as the thin film transistors, the gate lines, and the data lines are located, but the region where the thin film transistors, the gate lines, and the data lines are located is not completely opaque, and there is a certain opening, that is, the position of the array substrate 2 corresponding to the support region of the color filter substrate 1 has an open transparent portion, so that the grating of the backlight can irradiate the array substrate 2, that is, light can irradiate the graphene layer 16 through the gap. Of course, the opening in the light shielding portion of the array substrate 2 may also be specifically adjusted according to the requirements of the size, the area, and the like of the graphene layer 16, for example, as shown in fig. 4, the gate line structure at the position of the array substrate 2 corresponding to the support region of the color filter substrate 1 is made into a ring shape, so that the region has an opening light-transmitting portion, and thus light emitted by the backlight source passes through the array substrate 2 and irradiates the graphene layer 16 of the color filter substrate 1 as much as possible.
Of course, it can be understood by those skilled in the art that the array substrate 2 may specifically include: the liquid crystal display device comprises a substrate 20 of an array substrate, a first electrode 22 (pixel electrode) arranged on the array substrate, each layer structure of a thin film transistor, a grid line 21, a data line, a grid electrode of the thin film transistor connected with the grid line 21, a source electrode connected with the data line, a drain electrode connected with the first electrode 22, a grid insulation layer 23, a passivation layer 24, a second electrode 25 (common electrode) and the like which are sequentially arranged above the layer where the grid line is arranged, and the detailed description is not repeated.
Because the graphene layer 16 is arranged on the color film substrate in the display panel of the embodiment, the graphene layer 16 is illuminated, so that light energy can be converted into kinetic energy and then move upwards, the stable box thickness of the liquid crystal box 3 between the color film substrate 1 and the array substrate 2 is kept, and the thickness of the liquid crystal box 3 is controlled by replacing a spacer with a graphite optical suspension function, so that the defect of poor correlation caused by scratching of the alignment layer 14 when the display device is extruded is fundamentally overcome, and the image quality is improved.
Example 3:
the present embodiment provides a display device, which includes the display panel of embodiment 2, and a backlight source located at a light incident side of the display panel.
Of course, the display device in this embodiment may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
Of course, the display device in this embodiment also has the structure of the outer frame of the conventional display device.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. The color film substrate comprises a support area and is characterized in that a graphene layer is arranged on the light incident side surface of the support area of the color film substrate; wherein,
the graphene layer is used for converting light energy into kinetic energy under the illumination condition, generating force along the emergent direction of light, acting on the color film substrate, and maintaining the stable box thickness between the color film substrate and the array substrate by replacing a spacer through the graphene layer.
2. The color filter substrate according to claim 1, wherein the color filter substrate comprises a substrate, and a color filter and a black matrix disposed on the substrate; the graphene layer is arranged above the black matrix, a protective layer is arranged on the layer where the graphene layer is located, and an alignment layer is arranged on the protective layer.
3. The color film substrate according to claim 1, wherein the thickness of the graphene layer is 0.1-1 um.
4. The preparation method of the color film substrate is characterized in that the color film substrate comprises a support area, and the preparation method comprises the step of forming a graphene layer on the light incident side surface of the support area of the color film substrate; the graphene layer is used for converting light energy into kinetic energy under the illumination condition, generating force along the emergent direction of light, acting on the color film substrate, and maintaining the stable box thickness between the color film substrate and the array substrate by replacing a spacer through the graphene layer.
5. The method for manufacturing the color film substrate according to claim 4, wherein the method specifically comprises:
forming a black matrix and a color filter on a substrate by a patterning process;
forming a pattern of graphene layers over at least a portion of the black matrix;
forming a protective layer;
forming an alignment layer.
6. The method for manufacturing the color film substrate according to claim 4, wherein the thickness of the graphene layer is 0.1-1 um.
7. A display panel comprising the color filter substrate according to any one of claims 1 to 3.
8. The display panel according to claim 7, further comprising an array substrate disposed opposite to the color film substrate, wherein the array substrate has an open light-transmitting portion at a position corresponding to the support region of the color film substrate.
9. A display device comprising the display panel of claim 7 or 8 and a backlight source located at a light-incident side of the display panel.
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| CN201610286611.6A CN105807475B (en) | 2016-05-03 | 2016-05-03 | Color membrane substrates and preparation method thereof, display panel and display device |
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| JP2021506108A (en) * | 2017-12-04 | 2021-02-18 | トンシュー グループ カンパニー リミテッドＴｕｎｇｈｓｕ Ｇｒｏｕｐ Ｃｏ．， Ｌｔｄ． | Top board for micro LED devices, micro LED devices and micro LED display devices |
| CN108646472B (en) * | 2018-07-09 | 2021-04-02 | 京东方科技集团股份有限公司 | Display panel, display device and preparation method of display panel |
| CN108897173A (en) * | 2018-08-14 | 2018-11-27 | 深圳市华星光电技术有限公司 | The production method and liquid crystal display panel of liquid crystal display panel |
| CN110703511B (en) * | 2019-11-19 | 2022-11-18 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN114171704A (en) * | 2021-12-08 | 2022-03-11 | Tcl华星光电技术有限公司 | Flexible display panel and preparation method thereof |
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| CN104934146A (en) * | 2015-06-26 | 2015-09-23 | 深圳市华星光电技术有限公司 | Preparation method for graphene/PEDOT:PSS mixed solution and preparation method for substrate |
| CN105335002A (en) * | 2015-09-29 | 2016-02-17 | 江西沃格光电股份有限公司 | Touch display device and manufacturing method thereof |
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