CN110109277B - Touch display panel and touch display device - Google Patents
Touch display panel and touch display device Download PDFInfo
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- CN110109277B CN110109277B CN201910279934.6A CN201910279934A CN110109277B CN 110109277 B CN110109277 B CN 110109277B CN 201910279934 A CN201910279934 A CN 201910279934A CN 110109277 B CN110109277 B CN 110109277B
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- polarizer
- display panel
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
- G02F1/133528—Polarisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
The application provides a touch display panel, which comprises a first touch polarizing plate, a second touch polarizing plate and a liquid crystal display panel, wherein the first touch polarizing plate comprises a first polarizer; the second touch polarizing plate comprises a second polarizer; the liquid crystal display panel is arranged between the first polaroid and the second polaroid; the first polarizer is formed by rotating the second polarizer around the center of the second polarizer by a first set angle. The touch display panel and the touch display device have the advantages that the first polarizer of the first touch polarizing plate is rotated by the first set angle to serve as the second polarizer of the second touch polarizing plate, so that the two touch polarizing plates share the polarizer of the same material, and materials are saved.
Description
Technical Field
The present disclosure relates to display technologies, and particularly to a touch display panel and a touch display device.
Background
The basic structure of the capacitive touch screen is to form a mutual capacitance type projection capacitor by up-down, horizontal and vertical interleaving of two conductive films. In the external capacitive touch architecture, a conductive film is coated on a transparent substrate; then, the liquid crystal panel is bonded, but the cost of the structure is increased in large-size application.
Disclosure of Invention
The embodiment of the application provides a touch display panel and a touch display device, which are used for solving the technical problem that the existing touch display panel is high in cost.
An embodiment of the present application provides a touch display panel, which includes:
a first touch polarizing plate including a first polarizer;
a second touch polarizing plate including a second polarizer; and
the liquid crystal display panel is arranged between the first polaroid and the second polaroid;
the first polarizer is formed by rotating the second polarizer around the center of the second polarizer by a first set angle.
In the touch display panel, the first touch polarizing plate includes a patterned first touch layer disposed on a side of the first polarizer facing the liquid crystal display panel; the second touch polarizing plate comprises a patterned second touch layer, and the second touch layer is arranged on one side, facing the liquid crystal display panel, of the second polarizer;
the first touch layer is formed by rotating the second touch layer around the center of the second touch layer by a second set angle.
In the touch display panel of the present application, the first setting angle is equal to the second setting angle.
In the touch display panel of the present application, an orthogonal projection of the first touch layer on a plane where the liquid crystal display panel is located and an orthogonal projection of the second touch layer on the plane where the liquid crystal display panel is located are set at intervals.
In the touch display panel of the present application, the first set angle is 90 °.
In the touch display panel of this application, first touch-control polaroid includes polarizing layer and one is used for avoiding the protective layer of polarizing layer oxidation, the protective layer sets up the both sides on polarizing layer.
In the touch display panel of the present application, the protective layer is one of a triacetate fiber film, a cycloolefin polymer, and polyethylene terephthalate.
The present application further relates to a touch display device, which includes a touch display panel, the touch display panel includes:
a first touch polarizing plate including a first polarizer;
a second touch polarizing plate including a second polarizer; and
the liquid crystal display panel is arranged between the first polarizer and the second polarizer;
the first polarizer is formed by rotating the second polarizer around the center of the second polarizer by a first set angle.
In the touch display device, the first touch polarizing plate includes a patterned first touch layer disposed on a side of the first polarizer facing the liquid crystal display panel; the second touch polarizing plate comprises a patterned second touch layer, and the second touch layer is arranged on one side, facing the liquid crystal display panel, of the second polarizer;
the first touch layer is formed by rotating the second touch layer around the center of the second touch layer by a second set angle.
In the touch display device of the present application, the first setting angle is equal to the second setting angle.
In the touch display device of the present application, an orthographic projection of the first touch layer on a plane where the liquid crystal display panel is located and an orthographic projection of the second touch layer on the plane where the liquid crystal display panel is located are arranged at intervals.
In the touch display device of the present application, the first setting angle is 90 °.
In the touch display device of this application, first touch-control polaroid includes polarizing layer and one is used for avoiding the protective layer of polarizing layer oxidation, the protective layer sets up the both sides on polarizing layer.
In the touch display device of the present application, the protective layer is one of a triacetate fiber film, a cycloolefin polymer, and polyethylene terephthalate.
Compared with the touch display panel in the prior art, the touch display panel and the touch display device have the advantages that the first polarizer of the first touch polarizing plate is rotated by the first set angle to serve as the second polarizer of the second touch polarizing plate, so that the two touch polarizing plates share the polarizer of the same material, and materials are saved; in addition, the first touch layer is rotated by a second set angle to serve as a second touch layer, and the second touch layer is arranged at the arrangement time interval and shares the same touch layer material, so that the material is saved; the technical problem that the cost of an existing touch display panel is high is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments are briefly described below. The drawings in the following description are only some embodiments of the present application, and it will be obvious to those skilled in the art that other drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a touch display panel according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a first touch layer and a second touch layer of a touch display panel according to an embodiment of the present disclosure.
Detailed Description
Refer to the drawings wherein like reference numbers refer to like elements throughout. The following description is based on illustrated embodiments of the application and should not be taken as limiting the application with respect to other embodiments that are not detailed herein.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a touch display panel according to an embodiment of the present disclosure; fig. 2 is a schematic structural diagram of a first touch layer and a second touch layer of a touch display panel according to an embodiment of the present disclosure.
The touch display panel 100 of the embodiment of the present disclosure includes a first touch polarizing plate 10, a second touch polarizer 20, and a liquid crystal display panel 30.
The first touch polarizing plate 10 includes a first polarizer 11. The second touch polarizing plate 20 includes a second polarizer 21. The liquid crystal display panel 30 is disposed between the first polarizing plate 11 and the second polarizing plate 21.
Wherein the first polarizer 11 is formed by rotating the second polarizer 21 around 21 the center of the second polarizer by a first set angle.
It is obvious that, in the liquid crystal panel, the upper and lower polarizers of the liquid crystal panel need to have a certain included angle (first set angle). In the conventional arrangement, an included angle of 90 ° is required between the first polarizing plate 11 and the second polarizing plate 21, so that the first polarizing plate 11 can be obtained by using the second polarizing plate 21 as a raw material and rotating 90 °. The arrangement saves materials, and two polaroids are not made of two different materials.
In the present embodiment, the first set angle is 90 °, but is not limited thereto.
Based on the above structure, the first touch polarizing plate 10 includes the patterned first touch layer 12. The first touch layer 12 is disposed on a side of the first polarizer 11 facing the liquid crystal display panel 30. The second touch polarizing plate 20 includes a patterned second touch layer 22. The second touch layer 22 is disposed on a side of the second polarizer 21 facing the liquid crystal display panel 30.
The first touch layer 12 is formed by rotating the second touch layer 22 around the center of the second touch layer 22 by a second predetermined angle, as shown in fig. 2.
It should be noted that, in the touch display panel 100, the touch lines include the first touch layer 12 and the second touch layer 22, and a certain included angle (a second set angle) is required between the first touch layer 12 and the second touch layer 22, and for a conventional arrangement, a 90 ° included angle is required between the patterned first touch layer 12 and the patterned second touch layer 22, that is, the first touch layer 12 is formed by rotating the second touch layer 22 by 90 ° around the center of the second touch layer 22.
In the embodiment of the present application, when the first set angle is equal to the second set angle, the present embodiment is described by taking the first set angle and the second set angle as an example of 90 °. Since the first polarizer 11 and the second polarizer need to form an angle of 90 °, a 90 ° angle also needs to be formed between the first touch layer 12 and the second touch layer 22, and the line channel gaps of the first touch layer 12 and the second touch layer 22 are the same, the first touch polarizing plate 10 and the second touch polarizing plate 20 can share the same raw material. The first polarizer 11 and the second polarizer 21 are cut and aligned for lamination after being separated by a circuit channel, and the first touch layer 12 and the second touch layer 22 are not overlapped with each other.
Specifically, the orthographic projection of the first touch layer 12 on the plane of the liquid crystal display panel 30 and the orthographic projection of the second touch layer 22 on the plane of the liquid crystal display panel 30 are arranged at intervals to ensure that the first touch layer 12 and the second touch layer 22 are not overlapped.
In the present embodiment, the second set angle is 90 °, but is not limited thereto.
In the touch display panel 100 of the embodiment of the application, the first touch polarizer 11 includes a polarizing layer 111 and a protective layer 112 for preventing the polarizing layer from being oxidized. The protective layers 112 are disposed at both sides of the polarizing layer 111. The protective layer 112 plays a role of isolating moisture and air, thereby protecting the polarizing layer.
The protective layer 112 is one of Triacetyl Cellulose (TAC), Cyclo Olefin Polymer (COP), and Polyethylene terephthalate (PET). The polarizing layer 111 may be Polyvinyl alcohol (PVA).
Correspondingly, the present application further relates to a touch display device, which includes a touch display panel, the touch display panel includes:
a first touch polarizing plate including a first polarizer;
a second touch polarizing plate including a second polarizer; and
the liquid crystal display panel is arranged between the first polarizer and the second polarizer;
the first polarizer is formed by rotating the second polarizer around the center of the second polarizer by a first set angle.
In the touch display device, the first touch polarizing plate includes a patterned first touch layer disposed on a side of the first polarizer facing the liquid crystal display panel; the second touch polarizing plate comprises a patterned second touch layer, and the second touch layer is arranged on one side, facing the liquid crystal display panel, of the second polarizer;
the first touch layer is formed by rotating the second touch layer around the center of the second touch layer by a second set angle.
In the touch display device of the present application, the first setting angle is equal to the second setting angle.
In the touch display device of the present application, the orthographic projection of the first touch layer on the plane of the liquid crystal display panel and the orthographic projection of the second touch layer on the plane of the liquid crystal display panel are arranged at intervals.
In the touch display device of the present application, the first setting angle is 90 °.
In the touch display device of this application, first touch-control polaroid includes polarizing layer and one is used for avoiding the protective layer of polarizing layer oxidation, the protective layer sets up the both sides on polarizing layer.
In the touch display device of the present application, the protective layer is one of a triacetate fiber film, a cycloolefin polymer, and polyethylene terephthalate.
Compared with the touch display panel in the prior art, the touch display panel and the touch display device have the advantages that the first polarizer of the first touch polarizing plate is rotated by the first set angle to serve as the second polarizer of the second touch polarizing plate, so that the two touch polarizing plates share the polarizer of the same material, and materials are saved; in addition, the first touch layer is rotated by a second set angle to serve as a second touch layer, and the second touch layer is arranged at the arrangement time interval and shares the same touch layer material, so that the material is saved; the technical problem that the cost of an existing touch display panel is high is solved.
As described above, it will be apparent to those skilled in the art that various other changes and modifications can be made based on the technical solution and the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the appended claims.
Claims (6)
1. A touch display panel, comprising:
a first touch polarizing plate;
a second touch polarizing plate; and
the liquid crystal display panel is arranged between the first touch polarizing plate and the second touch polarizing plate;
the first touch polarizing plate comprises a first polarizer and a patterned first touch layer arranged on one side, facing the liquid crystal display panel, of the first polarizer;
the second touch polarizing plate comprises a second polarizer and a patterned second touch layer arranged on one side, facing the liquid crystal display panel, of the second polarizer; and
the first polarizer is formed by rotating the second polarizer around the center of the second polarizer by a first set angle, the first touch layer is formed by rotating the second touch layer around the center of the second touch layer by a second set angle, the first set angle is equal to the second set angle, and the first touch polarizing plate and the second touch polarizing plate share the same raw material.
2. The touch display panel according to claim 1, wherein an orthogonal projection of the first touch layer on the plane of the liquid crystal display panel and an orthogonal projection of the second touch layer on the plane of the liquid crystal display panel are spaced apart from each other.
3. The touch display panel according to claim 1, wherein the first set angle is 90 °.
4. The touch display panel according to claim 1, wherein the first touch polarizer comprises a polarizing layer and a protective layer for preventing the polarizing layer from being oxidized, and the protective layer is disposed on two sides of the polarizing layer.
5. The touch display panel according to claim 4, wherein the protective layer is one of a triacetate fiber film, a cycloolefin polymer, and polyethylene terephthalate.
6. A touch display device, comprising a touch display panel, the touch display panel comprising:
a first touch polarizing plate;
a second touch polarizing plate; and
the liquid crystal display panel is arranged between the first touch polarizing plate and the second touch polarizing plate;
the first touch polarizing plate comprises a first polarizer and a patterned first touch layer arranged on one side, facing the liquid crystal display panel, of the first polarizer;
the second touch polarizing plate comprises a second polarizer and a patterned second touch layer arranged on one side, facing the liquid crystal display panel, of the second polarizer;
the first polarizer is formed by rotating the second polarizer around the center of the second polarizer by a first set angle, the first touch layer is formed by rotating the second touch layer around the center of the second touch layer by a second set angle, and the first set angle is equal to the second set angle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279934.6A CN110109277B (en) | 2019-04-09 | 2019-04-09 | Touch display panel and touch display device |
| PCT/CN2019/086864 WO2020206804A1 (en) | 2019-04-09 | 2019-05-14 | Touch display panel and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279934.6A CN110109277B (en) | 2019-04-09 | 2019-04-09 | Touch display panel and touch display device |
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| Publication Number | Publication Date |
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| CN110109277A CN110109277A (en) | 2019-08-09 |
| CN110109277B true CN110109277B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279934.6A Active CN110109277B (en) | 2019-04-09 | 2019-04-09 | Touch display panel and touch display device |
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| Country | Link |
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| CN (1) | CN110109277B (en) |
| WO (1) | WO2020206804A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970981A (en) * | 2021-09-26 | 2022-01-25 | 深圳市三利谱光电科技股份有限公司 | Touch polarizer, processing technology and optical display device |
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2019
- 2019-04-09 CN CN201910279934.6A patent/CN110109277B/en active Active
- 2019-05-14 WO PCT/CN2019/086864 patent/WO2020206804A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020206804A1 (en) | 2020-10-15 |
| CN110109277A (en) | 2019-08-09 |
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