WO2013029554A1 - 盲人显示面板及其制造方法和盲人显示装置 - Google Patents
盲人显示面板及其制造方法和盲人显示装置 Download PDFInfo
- Publication number
- WO2013029554A1 WO2013029554A1 PCT/CN2012/080796 CN2012080796W WO2013029554A1 WO 2013029554 A1 WO2013029554 A1 WO 2013029554A1 CN 2012080796 W CN2012080796 W CN 2012080796W WO 2013029554 A1 WO2013029554 A1 WO 2013029554A1
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- WIPO (PCT)
- Prior art keywords
- substrate
- array substrate
- film layer
- display panel
- blind display
- 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.)
- Ceased
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Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/001—Teaching or communicating with blind persons
- G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
- G09B21/004—Details of particular tactile cells, e.g. electro-mechanical or mechanical layout
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/852—Encapsulations
Definitions
- An embodiment of the present invention provides a blind display panel, including: an array substrate, the array substrate includes a glass substrate, and data lines and gate lines formed on the glass substrate that intersect each other, the data lines and The gate line encloses a pixel unit, each of the pixel units includes a pixel electrode; a touch substrate, the touch substrate includes a flexible film layer and a charged columnar structure disposed on the flexible film layer; An elastic film layer between the array substrate and the touch substrate, wherein a surface of the touch substrate on which the charged columnar structure is formed faces a surface on which the pixel electrode is formed on the array substrate, and a charged columnar structure on the touch substrate Corresponding to the pixel electrode on the array substrate.
- Another embodiment of the present invention provides a blind display device including the above-described blind display panel.
- Another embodiment of the present invention further provides a method for manufacturing a blind display panel, comprising: forming data lines and gate lines crossing each other on a transparent substrate, the data lines and the gate lines enclosing a pixel unit
- Each of the pixel units includes a pixel electrode to form an array substrate; a spacer layer is formed on the flexible film layer, and a patterning process is performed on the spacer layer to form a charged columnar structure to form a touch substrate; Aligning the array substrate and the touch substrate, wherein the array An elastic film layer is disposed between the substrate and the touch substrate, and a surface of the touch substrate on which the charged columnar structure is formed faces a surface on which the pixel electrode is formed on the array substrate, and a charged columnar structure on the touch substrate The pixel electrodes on the array substrate - corresponding.
- FIG. 1 is a schematic structural diagram of a blind display panel according to an embodiment of the present invention.
- FIG. 2 is a schematic structural diagram of a blind display panel according to another embodiment of the present invention.
- FIG. 3 is a flowchart of a method for manufacturing a blind display panel according to an embodiment of the present invention
- FIG. 4 is a flowchart of step 301 in a method for manufacturing a blind display panel shown in FIG. 3;
- Embodiments of the present invention provide a blind display panel and a blind display device including the blind display panel, so that a blind person can read an electronic book by touch.
- the embodiment of the invention also provides a method of manufacturing the blind display panel.
- FIG. 1 is a schematic structural diagram of a blind display panel according to an embodiment of the present invention.
- the blind display panel provided by the embodiment of the present invention includes an array substrate 11, a touch substrate 12, and an elastic film layer 13 disposed between the array substrate 11 and the contact 12.
- the array substrate 11 includes a glass substrate 111 having a plurality of data lines (not shown) and a plurality of gate lines 116 formed thereon, the data lines and the gate lines 116 are mutually A plurality of pixel units are formed by crossing.
- Each pixel unit includes a thin film transistor 112 and an image Prime electrode 113.
- the thin film transistor 112 serves as a switching element of the pixel unit, and includes a gate electrode 1121, a source electrode 1122, a drain electrode 1123, and an active layer pattern 1124.
- a thin film transistor is an example of an active switching element; in another embodiment of the invention, the thin film transistor can be replaced with other active switching elements.
- the pixel unit of the array substrate of the embodiment of the invention may use a passive switch structure.
- the gate electrode 1121 may be connected to the gate line 116 or formed integrally with the gate line 116.
- the insulating layer 114 is formed between the gate electrode 1121 and the active layer pattern 1124.
- a passivation layer 115 is overlaid on the thin film transistor 112, and a via hole exposing the drain 1123 of the thin film transistor 112 is formed in the passivation layer 115.
- the pixel electrode 113 is electrically connected to the drain 1123 through the through hole.
- the glass substrate 111 may also be replaced by a quartz substrate, a plastic substrate or other transparent substrate.
- the touch substrate 12 includes a flexible film layer 121 and a charged columnar structure 122 disposed on the flexible film layer 121.
- the surface of the touch substrate 12 on which the charged columnar structure 122 is formed faces the surface of the array substrate 11 formed by the pixel electrode 113, and the charged columnar structure 122 on the touch substrate 12 and the pixel on the array substrate 11 Electrode 113 - corresponding.
- the elastic film layer 13 may be a film layer material having a recovery function such as rubber or resin, and the flexible film layer 121 is a film layer material having a bending function.
- the blind display panel provided by the embodiment of the present invention includes an array substrate and a touch substrate disposed on the array substrate. Therefore, after the pixel electrodes on the array substrate are energized, based on the Coulomb force principle, the touch substrate A Coulomb force is generated between the charged columnar structure and the pixel electrode in the array substrate. Under the action of the Coulomb force, the flexible film layer in the touch substrate is deformed so that the blind display device is over-touched to read the text. After the pixel electrode on the array substrate is powered off under the premise of energization, the deformed flexible film layer is restored to a state in which the deformation is not formed (initial state) through the elastic film layer, thereby causing the touch substrate to correspond to the break.
- the blind display panel provided by the present invention achieves the purpose of enabling the blind person to read the text by touching the blind display panel, and solves the problem that the blind person cannot read the electronic book in the prior art.
- FIG. 2 is a schematic structural diagram of a blind display panel according to still another embodiment of the present invention.
- a blind display panel according to another embodiment of the present invention includes an array substrate 21 , a touch substrate 22 , and an elastic film layer 23 disposed between the array substrate 21 and the touch substrate 22 .
- the array substrate 21 includes a glass substrate 211, and a plurality of data lines (not shown) and a plurality of gate lines 216 are formed on the glass substrate 211; the data lines and the gate lines 216 are mutually A plurality of pixel units are formed by crossing.
- Each of the pixel units includes a thin film transistor 212 and a pixel electrode 213, wherein the thin film transistor 212 includes a gate electrode 2121, a source electrode 2122, a drain electrode 2123, and an active layer pattern 2124.
- the gate 2131 may be connected to the gate line 216 or formed integrally with the gate line 216.
- An insulating layer 214 is formed between the gate electrode 2112 and the active layer pattern 2124.
- a passivation layer 215 is overlaid on the thin film transistor 212, and a via hole exposing the drain 2123 of the thin film transistor 212 is formed on the passivation layer 215.
- the pixel electrode 213 is electrically connected to the drain 2123 through the through hole.
- the glass substrate 211 may also be replaced by a quartz substrate, a plastic substrate or other transparent substrate.
- the touch substrate 22 includes a flexible film layer 221 and a charged columnar structure 222 disposed on the flexible film layer 221.
- the surface of the touch substrate 22 on which the charged columnar structure 222 is formed faces the surface on which the pixel electrode 213 is formed on the array substrate 21, and the charged columnar structure 222 on the touch substrate 22 and the pixels on the array substrate 21 Electrode 213 - corresponding.
- the elastic film layer 23 may be a film layer material having a recovery function such as rubber or resin, and the flexible film layer 221 is a film layer material having a bending function.
- the blind display panel provided by the embodiment of the present invention includes an array substrate and a touch substrate disposed on the array substrate. Therefore, after the pixel electrodes on the array substrate are energized, based on the Coulomb force principle, the touch substrate A Coulomb force is generated between the charged columnar structure and the pixel electrode in the array substrate. Under the action of the Coulomb force, the flexible film layer in the touch substrate is deformed so that the blind display device is over-touched to read the text. After the pixel electrode on the array substrate is powered off, the deformed flexible film layer is restored to the undeformed state by the elastic film layer, thereby causing the area on the touch substrate corresponding to the power-off pixel electrode. The state is restored when the pixel electrode is not energized. In this way, the blind display panel provided by another embodiment of the present invention achieves the purpose of enabling the blind person to read the text by touching the blind display panel, and solves the problem that the blind person cannot read the electronic book in the prior art.
- the elastic film layer 23 can be disposed on the array substrate 21, and then the array substrate 21 and the touch substrate 22 can be paired to achieve the elastic film layer 23 disposed on the array.
- the elastic film layer 23 may be placed on the array substrate 21, and then performed. The pair of the array substrate 21 and the touch substrate 22 achieve the purpose of disposing the elastic film layer 23 between the array substrate 21 and the touch substrate 22.
- a planarization layer 24 for flattening is further formed on the array substrate 21, and the planarization layer 24 is disposed on the array substrate. 21 is between the elastic film layer 23.
- the touch substrate 22 further includes a flexible conductive film layer 223, and the flexible conductive film layer 223 is disposed at the flexible
- the film layer 221 is between the charged columnar structure 222. This can shield the influence of the external electric field so that the touch substrate 22 is deformed only in accordance with the voltage of the pixel electrode 213 on the array substrate 21.
- the flexible conductive film layer may be, for example, indium tin oxide (ITO), indium oxide ruthenium, aluminum oxide ( ⁇ ), indium gallium oxide (IGZO) or the like.
- the voltage applied to the pixel electrode on the array substrate is controlled to realize the concave-convex deformation of the touch substrate, so that the blind person obtains corresponding information by touching the blind display panel.
- the embodiment of the present invention further provides a blind display device, which includes the blind display panel shown in FIG. 1 or FIG. 2, and the specific structure thereof is the same as that of the above embodiment, and details are not described herein again.
- the blind display device includes a blind display panel, and the blind display panel includes an array substrate and a touch substrate disposed on the array substrate, so after the pixel electrodes on the array substrate are energized, based on the Coulomb force principle A Coulomb force is generated between the charged columnar structure in the touch substrate and the pixel electrode in the array substrate. Under the action of the Coulomb force, touching the text in the substrate enables the blind person to read the text by touching the blind display device. After the pixel electrode on the array substrate is powered off, the deformed flexible film layer is restored to a state in which deformation is not performed by the elastic film layer, thereby causing the touch substrate to correspond to the power-off pixel electrode.
- the blind display device provided by the embodiment of the present invention achieves the purpose of enabling the blind person to read the text by touching the blind display panel, and solves the problem that the blind person cannot read the electronic book in the prior art.
- FIG. 3 is a flowchart of a method for manufacturing a blind display panel according to an embodiment of the present invention
- FIG. 4 is a flowchart of step 301 in a method for manufacturing a blind display panel shown in FIG. 3.
- a method for manufacturing a blind display panel provided by an embodiment of the present invention includes:
- Step 301 forming a plurality of data lines and a plurality of gate lines on the glass substrate, the data lines and the gate lines crossing each other to form a plurality of pixel units, each of the pixel units including a thin film transistor and a pixel electrode, thereby An array substrate is formed, and then an elastic film layer is formed (e.g., deposited) on the array substrate.
- an elastic film layer is formed (e.g., deposited) on the array substrate.
- Step 302 forming (e.g., depositing) a layer of a spacer on the flexible film, and performing a patterning process thereon to form a charged columnar structure, thereby forming a touch substrate.
- the spacer layer is a resin material in which the charged particles are uniformly branched.
- Step 303 The array substrate and the touch substrate are arranged such that the elastic film layer is disposed between the array substrate and the touch substrate, and a surface of the touch substrate on which the charged columnar structure is formed faces the array substrate.
- the surface having the pixel electrode, the charged columnar structure on the touch substrate corresponds to the pixel electrode on the array substrate.
- step 301 will be described in further detail with reference to FIG. As shown in FIG. 4, the step 301 An example of this includes:
- Step 3011 an active layer thin film is formed on a substrate (e.g., a glass substrate) having a gate pattern and an insulating layer, for example, by a deposition method, and a patterning process is performed thereon to form an active layer pattern.
- a substrate e.g., a glass substrate
- a patterning process is performed thereon to form an active layer pattern.
- a substrate having a gate pattern (including a gate electrode and a gate line) is prepared, and then an insulating layer film and an active layer may be sequentially formed on a substrate having a gate pattern, for example, by a deposition method, for example, by chemical vapor deposition. film.
- the thickness of the insulating layer film is, for example, between 1000 ⁇ and 6,000 ⁇ , and the thickness of the active layer film is, for example, between 1000 ⁇ and 6,000 ⁇ .
- the material of the insulating layer film is usually silicon nitride, and silicon oxide, silicon oxynitride or the like can also be used.
- the active layer film is usually made of an amorphous silicon film, or a polysilicon film or the like.
- a photoresist mask is formed on the active layer film by a photolithography process, and then the active layer film is etched (e.g., dry etched) to form an active layer pattern.
- the insulating layer film between the gate pattern and the active layer film functions as an etch stop layer.
- the preparation of the substrate having the gate pattern may include: forming (eg, depositing) a gate metal film on the glass substrate and performing a patterning process thereon to form a gate pattern on a certain region of the glass substrate,
- the gate pattern includes a gate line and a gate connected to the gate line.
- a gate metal film may be formed on a glass substrate by, for example, a deposition method using, for example, a magnetron sputtering method, and the gate metal film may have a thickness of, for example, 1000 ⁇ to 7000 ⁇ .
- the gate metal thin film material is usually made of a metal or an alloy such as molybdenum, aluminum, an aluminum-nickel alloy, a molybdenum-tungsten alloy, chromium, or copper, or a combination of the above-mentioned several materials.
- Step 3012 forming (e.g., depositing) a metal thin film on a substrate having a gate pattern, an insulating layer, and an active layer pattern and performing a patterning process thereon to form a data line, a source, and a drain.
- a metal thin film is prepared by, for example, sputtering or thermal evaporation.
- the thickness of the metal thin film is, for example, between 1,000 ⁇ and 7,000 ⁇ .
- the metal thin film material is usually made of a metal or an alloy such as molybdenum, aluminum, aluminum-nickel alloy, molybdenum-tungsten alloy, chromium, or copper, or a combination of the above-mentioned materials.
- a patterning process is performed on the metal thin film to form a data line, a source, and a drain.
- Step 3013 forming, for example, depositing a passivation layer on the substrate and performing a patterning process thereon to form via holes of the peripheral leads and forming via holes over the drain.
- a passivation layer can be deposited by, for example, chemical vapor deposition.
- the passivation layer has a thickness of, for example, between 1000 angstroms and 6000 angstroms; the material of the passivation layer is, for example, silicon nitride, oxidation Silicon or silicon oxynitride, and may be a single layer or multiple layers.
- the gate is covered with an insulating layer and a passivation layer, and a via hole of the peripheral lead and a via hole above the drain are formed by a patterning process.
- Step 3014 forming a transparent conductive film on the substrate (for example, depositing) and performing a patterning process thereon to form a pixel electrode.
- a transparent conductive film can be prepared by, for example, sputtering or thermal evaporation.
- the material of the transparent conductive film may be indium tin oxide (ITO), indium oxide ( ⁇ ) or other transparent conductive material.
- the transparent conductive film is patterned by a patterning process to form a pixel electrode.
- Step 3015 forming (e.g., depositing) an elastic film layer on the substrate on which the pixel unit is formed.
- an elastic film layer can be prepared by, for example, spin coating.
- the elastic film layer 23 may be a film layer material having a recovery function such as rubber or resin.
- the flexible film layer is prepared by, for example, a deposition method.
- the method further comprises: preparing a layer of the flexible conductive film on the flexible film layer, for example, by a deposition method, so as to shield the influence of the external electric field.
- the method further includes: preparing a layer on the glass substrate on which the pixel unit is formed, for example, by a deposition method. A planarization layer for flat action.
- the manufactured blind display panel includes an array substrate and a touch substrate disposed on the array substrate, so after the pixel electrodes on the array substrate are energized, based on the Coulomb
- the force principle produces a Coulomb force between the charged columnar structure in the touch substrate and the pixel electrode in the array substrate.
- the flexible film layer in the touch substrate is deformed to make the surface of the touch substrate uneven and form a Braille corresponding thereto, thereby enabling the blind person to touch the blind display device to read the text.
- FIG. 5 is a flowchart of a method for manufacturing a blind display panel according to still another embodiment of the present invention.
- a method for manufacturing a blind display panel according to another embodiment of the present invention includes:
- Step 501 forming a plurality of data lines and a plurality of gate lines on a glass substrate, wherein the data lines and the gate lines are intersected with each other to form a plurality of pixel units, and each of the pixel units includes a thin film transistor and a pixel electrode, thereby forming Array substrate.
- the step 501 can be performed in the same manner as the step 3011-step 3014 included in the step 301 in the foregoing embodiment, and details are not described herein again.
- Step 502 forming a layer of a spacer on the flexible film layer, and performing a patterning process thereon to form a charged columnar structure, thereby forming a touch substrate.
- the spacer layer is a resin material in which the charged particles are uniformly distributed.
- Step 503 placing an elastic film layer on the array substrate, and then arranging the array substrate and the touch substrate, so that the elastic film layer is disposed between the array substrate and the touch substrate, wherein the touch substrate
- the surface on which the charged columnar structure is formed faces the surface on which the pixel electrode is formed on the array substrate, and the charged columnar structure on the touch substrate is in one-to-one correspondence with the pixel electrodes on the array substrate.
- the flexible film layer is prepared by, for example, a deposition method.
- the method further comprises: preparing a layer of the flexible conductive film on the flexible film layer, for example, by a deposition method, so as to shield the influence of the external electric field.
- the method further includes: preparing a layer for flatness on a glass substrate on which the pixel unit is formed, for example, by a deposition method. Flattening layer.
- the manufactured blind display panel includes an array substrate and a touch substrate disposed on the array substrate, so after the pixel electrodes on the array substrate are energized, based on the Coulomb
- the force principle produces a Coulomb force between the charged columnar structure in the touch substrate and the pixel electrode in the array substrate.
- the flexible film layer in the touch substrate is deformed to make the surface of the touch substrate uneven and form a Braille corresponding thereto, thereby enabling the blind person to read the text by touching the blind display device.
- the blind display panel provided by the embodiment of the present invention achieves the purpose of enabling the blind person to read the text by touching the blind display panel, and solves the problem that the blind person cannot read the electronic book in the prior art.
- the blind display panel and the manufacturing method thereof provided by the embodiments of the present invention can be applied to a display device suitable for blind people.
- the patterning process referred to in the embodiments of the present invention includes photoresist coating, masking, exposure, development, etching, photoresist removal, etc., and the photoresist is made of a positive photoresist.
- this is not a limitation of the invention.
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Abstract
Description
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/702,111 US9244547B2 (en) | 2011-08-30 | 2012-08-30 | Display panel for the blind and method for manufacturing the same and display device for the blind |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253616.6 | 2011-08-30 | ||
| CN201110253616.6A CN102654948B (zh) | 2011-08-30 | 2011-08-30 | 盲人显示面板及其制造方法、盲人显示装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013029554A1 true WO2013029554A1 (zh) | 2013-03-07 |
Family
ID=46730570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2012/080796 Ceased WO2013029554A1 (zh) | 2011-08-30 | 2012-08-30 | 盲人显示面板及其制造方法和盲人显示装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9244547B2 (zh) |
| CN (1) | CN102654948B (zh) |
| WO (1) | WO2013029554A1 (zh) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9721242B2 (en) | 2014-10-28 | 2017-08-01 | Poynt Co. | Payment terminal operation method and system therefor |
| CN104656305A (zh) * | 2015-03-09 | 2015-05-27 | 京东方科技集团股份有限公司 | 一种彩膜显示层、显示面板及制备方法 |
| JP6931065B2 (ja) | 2016-10-03 | 2021-09-01 | ポイント カンパニーPoynt Co. | 障害のあるユーザ支援のためのシステムおよび方法 |
| CN107067893B (zh) | 2017-07-03 | 2019-08-13 | 京东方科技集团股份有限公司 | 一种盲文显示面板、盲文显示装置及盲文显示方法 |
| CN110764648B (zh) * | 2019-10-21 | 2024-05-14 | 京东方科技集团股份有限公司 | 盲文显示面板及其制造方法、装置、显示控制方法 |
| CN111061094B (zh) * | 2019-12-25 | 2021-07-06 | Tcl华星光电技术有限公司 | 液晶显示装置及其制备方法 |
| CN111243444A (zh) * | 2020-03-19 | 2020-06-05 | 闻泰通讯股份有限公司 | 柔性显示面板、电子设备、控制方法及存储介质 |
| CN114911348A (zh) * | 2022-05-25 | 2022-08-16 | 维沃移动通信有限公司 | 触感增强机构、显示面板、电子设备和触感增强方法 |
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- 2012-08-30 WO PCT/CN2012/080796 patent/WO2013029554A1/zh not_active Ceased
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| CN101825967A (zh) * | 2009-03-03 | 2010-09-08 | 斯凯佩布尔联合有限责任公司 | 弹性波触觉界面 |
| CN101907922A (zh) * | 2009-06-04 | 2010-12-08 | 智点科技(深圳)有限公司 | 一种触感触控系统 |
| CN101958066A (zh) * | 2009-07-17 | 2011-01-26 | 索尼公司 | 具有显示功能的凸起图案形成装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102654948B (zh) | 2014-04-16 |
| CN102654948A (zh) | 2012-09-05 |
| US9244547B2 (en) | 2016-01-26 |
| US20130147737A1 (en) | 2013-06-13 |
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