CN104571714B - Touch screen and display device - Google Patents
Touch screen and display device Download PDFInfo
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- CN104571714B CN104571714B CN201510050230.3A CN201510050230A CN104571714B CN 104571714 B CN104571714 B CN 104571714B CN 201510050230 A CN201510050230 A CN 201510050230A CN 104571714 B CN104571714 B CN 104571714B
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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
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
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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)
- Liquid Crystal (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention provides a kind of touch screen and display device and is provided with liquid crystal layer between including the array substrate that box is arranged and color membrane substrates；Color membrane substrates include touch electrode layer, are provided with shielded layer between liquid crystal layer and touch electrode layer, influence of the charge for accumulating on touch electrode layer in display phase masked to liquid crystal layer both ends electric field.Touch screen provided by the invention, can be in influence of the charge that display phase masked is accumulated on touch electrode layer to liquid crystal layer both ends electric field, so as to promote the whole display effect of touch screen.
Description
Technical field
The present invention relates to field of display technology, and in particular, to a kind of touch screen and display device.
Background technique
TFT thin film transistor monitor (TFT-LCD) passes through the development of nearest decades, due to its high-quality image quality, low-power
And the advantages that low cost, it is widely applied.
In the production process of liquid crystal display (LCD), need to carry out molding process.Currently, liquid crystal display molding process
The specific steps are：Firstly, the surrounding in the viewing area of a substrate coats sealant；Then, it is used on another substrate
Liquid crystal is added dropwise in the injection method that drips, later, vacuum abutted two glass substrates, i.e. progress pairing technique；Finally carry out sealant
Solidification, to complete molding process.
Since In-cell touch panel (in cell touch panel) can make screen become more frivolous, so at present
Embedded touch screen in display panel using more and more extensive.As shown in Figure 1, being a kind of existing sectional view of touch screen.
The touch screen from top to bottom successively includes in Fig. 1：TFT substrate 1, spacer material (PS) 2, liquid crystal (LC) 3, second layer light transmission glue
(OC) 4, color film layer (CF) 5, sensor circuit (RX) 6, first layer light transmission glue (OC) 7, black matrix layer (BM) 8 and CF glass substrate 9.
Above-mentioned touch screen is inevitably present following problems in practical applications：
Since sensor circuit (RX) 6 can accumulate certain charge in the touch-control stage, these charges are when liquid crystal (LC) 3 is shown
It can not be discharged when sequence, accumulation is caused to generate electric field, which can have an impact the voltage at the liquid crystal both ends of display timing,
It is abnormal to cause liquid crystal deflection, and then position corresponding with sensor circuit will appear showing for ghost (Pattern) on touch screen
As reducing the whole display effect of touch screen.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of touch screen and display are proposed
Device, can in influence of the charge accumulated on touch electrode layer of display phase masked to liquid crystal layer both ends electric field, thus
The whole display effect of touch screen can be promoted.
A kind of touch screen is provided to achieve the purpose of the present invention, including the array substrate that box is arranged and color membrane substrates,
It is provided with liquid crystal layer between；The color membrane substrates include touch electrode layer, the liquid crystal layer and touch electrode layer it
Between be provided with shielded layer, in the charge accumulated on the touch electrode layer of display phase masked to the liquid crystal layer both ends
The influence of electric field.
Wherein, light transmission glue-line and color film layer, the light transmission glue are additionally provided between the liquid crystal layer and touch electrode layer
Layer, shielded layer and color film layer are set gradually from the liquid crystal layer towards the direction of the touch electrode layer.
Wherein, the quantity of the shielded layer is one layer.
Preferably, the touch screen further includes control module, and the control module is used to make the shielding in the stage of touch
Layer is parallel with one another with the touch electrode layer；In the display stage, disconnect the shielded layer mutually with the touch electrode layer.
Preferably, the quantity of the shielded layer is multilayer, the setting of shielded layer interval described in multilayer, and two layers adjacent of shielding
It is electrically insulated between layer using light transmission glue.
Preferably, the touch screen further includes control module, and the control module is used to make each layer shield in the stage of touch
Layer between and each layer shielded layer and the touch electrode layer between it is parallel with one another；In the display stage, make between each layer shielded layer
And it is mutually disconnected between each layer shielded layer and the touch electrode layer.
Preferably, the shielded layer uses monolithic construction, and the color film layer is completely covered.
Preferably, the shielded layer is made of multiple fissions, the electricity in the quantity of the fission and the touch electrode layer
The quantity of pole is corresponding, and each fission covers each electrode in the touch electrode layer correspondingly.
Preferably, the shielded layer is made of indium tin oxide material.
As another technical solution, the present invention also provides a kind of display devices comprising above-mentioned touching provided by the invention
Touch screen.
The invention has the advantages that：
Touch screen provided by the invention can be aobvious by the way that shielded layer is arranged between liquid crystal layer and touch electrode layer
Show the influence of charge that phase masked is accumulated on touch electrode layer to liquid crystal layer both ends electric field, so as to promote touch screen
Whole display effect.
Display device provided by the invention can be in the display stage by using above-mentioned touch screen provided by the invention
Influence of the charge accumulated on touch electrode layer to liquid crystal layer both ends electric field is shielded, is shown so as to promote the entirety of touch screen
Show effect.
Detailed description of the invention
Fig. 1 is a kind of existing sectional view of touch screen；
Fig. 2 is a kind of sectional view of touch screen provided in an embodiment of the present invention；
Fig. 3 is the sectional view of another touch screen provided in an embodiment of the present invention；And
Fig. 4 is the sectional view of another touch screen provided in an embodiment of the present invention.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, come with reference to the accompanying drawing to the present invention
The touch screen and display device of offer are described in detail.
Fig. 2 is a kind of sectional view of touch screen provided in an embodiment of the present invention.Referring to Fig. 2, touch screen includes setting to box
The array substrate and color membrane substrates set, are provided with liquid crystal layer between.Specifically, the touch screen is towards close to touch table
The direction in face is disposed with TFT substrate 1, spacer material (PS) 2, liquid crystal layer (LC) 3, second layer light transmission glue-line (OC) 4, color film layer
(CF) 5, touch electrode layer 6, first layer light transmission glue-line (OC) 7, black matrix layer (BM) 8 and CF glass substrate 9.Wherein, second
Shielded layer 10 is additionally provided between layer light transmission glue 4 and color film layer 5, that is to say, that second layer light transmission glue-line 4, shielded layer 10, color film
Layer 5 and touch electrode layer 6 are set gradually from the direction that liquid crystal layer 3 is directed away from liquid crystal layer 3.The shielded layer 10 is used in display rank
Influence of the charge that section shielding is accumulated on touch electrode layer 6 to 3 both ends electric field of liquid crystal layer, so as to promote the whole of touch screen
Body display effect.Above-mentioned touch electrode layer 6 includes induction electrode layer (RX) and/or drive electrode layer (TX).
In the present embodiment, the quantity of shielded layer 10 is one layer, and preferred, which uses monoblock type knot
Structure, and color film layer 5 is completely covered.For the shielded layer 10 of monolithic construction since color film layer 5 is completely covered, shield effectiveness is optimal.
Preferably, touch screen further includes control module (not shown), which is used to make to shield in the stage of touch
It covers layer 10 and touch electrode layer 6 is parallel with one another；In the display stage, disconnect shielded layer 1 and touch electrode layer 6 mutually.Due to mesh
The major reason that ghost (Pattern) phenomenon occurs in preceding touch screen is：Touch electrode layer 6 can accumulate centainly in the touch stage
Charge, these charges can not discharge in the display stage, to affect the distribution of 3 both ends electric field of liquid crystal layer, lead to liquid crystal layer 3
Deflection it is abnormal, and then generate the situation of touch screen Luminance Distribution unevenness, that is, ghost phenomena occur.For this purpose, the present embodiment provides
Touch screen disconnects shielded layer 1 and touch electrode layer 6 mutually in the display stage by control module, and the shielded layer 10 can be made to rise
The effect for the charge accumulated on to shielding touch electrode layer 6, even completely eliminates residual charge to liquid crystal layer 3 so as to weaken
The influence of both ends electric field, and then the whole display effect of touch screen can be promoted.Meanwhile making by control module in the touch stage
Shielded layer 10 and touch electrode layer 6 are parallel with one another, can play reduce touch electrode layer 6 total resistance value (refer to shielded layer 10 with
Total resistance value after 6 parallel connection of touch electrode layer) effect, so as to promote the intensity of touch signal, and then touch can be improved
The sensitivity of screen.Certainly, in practical applications, control module can also be saved, and makes shielded layer 10 and touch electrode layer 6 always
The state remained open, this equally can achieve the purpose of the present invention.
Preferably, according to the shield effectiveness of shielded layer, the quantity of shielded layer can also be multilayer, and multilayer screen interlayer is every setting
It sets, and is electrically insulated between adjacent two-layer screen layer using light transmission glue.For example, Fig. 3 is another kind provided in an embodiment of the present invention
The sectional view of touch screen.As shown in figure 3, the touch screen equally includes TFT substrate 1, spacer material 2, liquid crystal layer 3, second layer light transmission
Glue-line 4, color film layer 5, touch electrode layer 6, first layer light transmission glue-line 7, black matrix layer 8 and CF glass substrate 9.Wherein, second
Be provided with shielded layer 10 between layer light transmission glue-line 4 and color film layer 5, the shielded layer 10 by spaced two-layer screen layer (101,
102) it forms, and is electrically insulated between two-layer screen layer (101,102) using light transmission glue 11.
Similar with above-described embodiment, touch screen further includes control module, which is used to make in the stage of touch
It is parallel with one another between each layer shielded layer and between each layer shielded layer and touch electrode layer；In the display stage, make each layer shielded layer
Between and each layer shielded layer and touch electrode layer between mutually disconnect.
It should be noted that in the present embodiment, shielded layer 10 uses monolithic construction, and color film layer 5 is completely covered, but
It is that the present invention is not limited thereto, Fig. 4 is the sectional view of another touch screen provided in an embodiment of the present invention.As shown in figure 4, screen
Covering layer 10 can also be made of multiple fissions, and seperated quantity and the quantity of electrode in touch electrode layer 6 are corresponding and each
The seperated each electrode covered in touch electrode layer 6 correspondingly.That is, each seperated only covering electrode location
Domain, and remaining region is then not provided with fission, this partial region can use the filling of light transmission glue 11, so that between each fission
Electrical isolation.In addition, mutually can disconnect or be electrically connected between each fission, the mode of electric connection includes series, parallel
Or mixed connection.
It should also be noted that, in the present embodiment, from liquid crystal layer 3 towards remote between liquid crystal layer 3 and touch electrode layer 6
Direction from touch electrode layer 6 is disposed with second layer light transmission glue-line 4, shielded layer 10 and color film layer 5, but the present invention is not
Be confined to this, in practical applications, can according to it is different apply be arranged between liquid crystal layer and touch electrode layer for realizing
Other film layers of different function can also save above-mentioned second layer light transmission glue-line and/or color film layer, or use at the same time
The film layer of other materials is replaced, as long as shielded layer is between liquid crystal layer and touch electrode layer, to realize the shielding of shielded layer
Effect.
It should also be noted that, in practical applications, shielded layer is made of the metal material of light transmission, such as tin indium oxide
(ITO) material.
As another technical solution, the embodiment of the present invention also provides a kind of display device, which includes this hair
The above-mentioned touch screen that bright embodiment provides.
Display device provided in an embodiment of the present invention can by using above-mentioned touch screen provided in an embodiment of the present invention
With the influence in the charge accumulated on touch electrode layer of display phase masked to liquid crystal layer both ends electric field, so as to promote touching
Touch the whole display effect of screen.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (6)
1. a kind of touch screen is provided with liquid crystal layer including the array substrate that box is arranged and color membrane substrates between；It is described
Color membrane substrates include touch electrode layer, which is characterized in that are provided with shielded layer between the liquid crystal layer and touch electrode layer, use
In influence of the charge accumulated on the touch electrode layer in display phase masked to liquid crystal layer both ends electric field；
The touch screen further includes control module；
The quantity of the shielded layer is one layer；The control module is used to make the shielded layer and the touch in the stage of touch
Electrode layer is parallel with one another；In the display stage, disconnect the shielded layer mutually with the touch electrode layer；Alternatively, the shielding
The quantity of layer is multilayer, and shielded layer interval described in multilayer is arranged, and is electrically insulated between adjacent two-layer screen layer using light transmission glue；
Also, the control module was used in the stage of touch, was made between each layer shielded layer and each layer shielded layer and the touch electrode
It is parallel with one another between layer；In the display stage, make between each layer shielded layer and between each layer shielded layer and the touch electrode layer
Mutually disconnect.
2. touch screen according to claim 1, which is characterized in that also set up between the liquid crystal layer and touch electrode layer
There are a light transmission glue-line and color film layer, the light transmission glue-line, shielded layer and color film layer are from the liquid crystal layer towards the touch electrode layer
Direction set gradually.
3. touch screen according to claim 2, which is characterized in that the shielded layer uses monolithic construction, and covers completely
Cover the color film layer.
4. touch screen according to claim 1 or 2, which is characterized in that the shielded layer is made of multiple fissions, and described point
The quantity of body is corresponding with the quantity of electrode in the touch electrode layer, and each fission covers the touch correspondingly
Each electrode in electrode layer.
5. touch screen according to claim 1 or 2, which is characterized in that the shielded layer is made of indium tin oxide material.
6. a kind of display device, which is characterized in that including touch screen described in claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050230.3A CN104571714B (en) | 2015-01-30 | 2015-01-30 | Touch screen and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050230.3A CN104571714B (en) | 2015-01-30 | 2015-01-30 | Touch screen and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104571714A CN104571714A (en) | 2015-04-29 |
| CN104571714B true CN104571714B (en) | 2018-11-23 |
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| CN201510050230.3A Active CN104571714B (en) | 2015-01-30 | 2015-01-30 | Touch screen and display device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183212A (en) * | 2015-08-04 | 2015-12-23 | 武汉华星光电技术有限公司 | Touch screen LCD panel and touch screen mobile phone |
| 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 |
| CN105224128A (en) * | 2015-09-29 | 2016-01-06 | 江西沃格光电股份有限公司 | Touch control display apparatus and preparation method thereof |
| CN105242809A (en) * | 2015-10-21 | 2016-01-13 | 江西沃格光电股份有限公司 | Touch display device and preparation method thereof |
| CN107203060A (en) * | 2017-06-05 | 2017-09-26 | 昆山龙腾光电有限公司 | Color membrane substrates and liquid crystal display panel |
| CN111722429A (en) * | 2020-08-06 | 2020-09-29 | 业成光电(无锡)有限公司 | Touch control display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107503Y (en) * | 2007-11-21 | 2008-08-27 | 宸鸿光电科技股份有限公司 | Touch control display panel with electric field shielding layer |
| CN101957507A (en) * | 2009-07-13 | 2011-01-26 | 上海天马微电子有限公司 | Touch screen liquid crystal display module and touch drive method thereof |
| CN102866800A (en) * | 2011-07-07 | 2013-01-09 | 三星电子株式会社 | Touch screen panel liquid crystal display device |
-
2015
- 2015-01-30 CN CN201510050230.3A patent/CN104571714B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107503Y (en) * | 2007-11-21 | 2008-08-27 | 宸鸿光电科技股份有限公司 | Touch control display panel with electric field shielding layer |
| CN101957507A (en) * | 2009-07-13 | 2011-01-26 | 上海天马微电子有限公司 | Touch screen liquid crystal display module and touch drive method thereof |
| CN102866800A (en) * | 2011-07-07 | 2013-01-09 | 三星电子株式会社 | Touch screen panel liquid crystal display device |
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| CN104571714A (en) | 2015-04-29 |
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