CN104978055A - Touch control display device - Google Patents
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- CN104978055A CN104978055A CN201410128530.4A CN201410128530A CN104978055A CN 104978055 A CN104978055 A CN 104978055A CN 201410128530 A CN201410128530 A CN 201410128530A CN 104978055 A CN104978055 A CN 104978055A
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Abstract
A touch control display device comprises the following elements: a display module containing a plurality of first sub-pixels, second sub-pixels and third sub-pixels in different colors; a plurality of touch control units arranged on the display module, wherein each touch control unit comprises the following elements: two first electrode pieces arranged in a first direction; two electrically connected second electrode pieces arranged in a second direction; a bridging line electrically connected with the two first electrode pieces, and the bridging line has an angle (theta1) bigger than zero relative to the first direction; an insulation layer arranged between the bridging line and the two second electrode pieces. Two adjacent bridging lines along the first direction are symmetrically arranged around an axis parallel to the second direction; the two adjacent bridging lines along the second direction are symmetrically arranged around an axis parallel to the first direction.
Description
Technical field
The invention relates to a kind of touch control display device, especially a kind of touch control display device that can reduce metal pattern visuality.
Background technology
In recent years, along with development trend that is user-friendly for operation, simplicity, the touch control display device with contact panel is applied in life more and more widely.Because user can pass through the mode input signal of direct hand or other object contact contact panels, thus minimizing even eliminates user to the dependence of other input equipments (as keyboard, mouse, telepilot etc.), makes the convenience of user operation significantly promote.
It is different that contact panel technology produces principle according to signal, mainly can be divided into condenser type and resistance-type: capacitance touching control system adopts ITO (Indium Tin Oxide; Tin indium oxide) as induction electrode, and on the transparent substrate according to vertical, horizontal axis arrangement, and can electric capacity be produced between adjacent axially different induction electrode, this electric capacity can be made to change when conductor (example: finger or pointer) is near induction electrode and produce touching signal; And electric resistance touch-control includes two-layer electrode, and be provided with between two-layer electrode every ball (dotspacer) with by two-layer electrode insulation, two-layer electrode is connected and produces the signal of potential difference (PD) by the pressure being touched generation by object, by circuit, signal is passed to controller again, to process and to calculate the coordinate position of touch points.
Generally speaking, the touch control unit of contact panel comprises an induction electrode array, and it has along the plural induction electrode serial of vertical, horizontal direction arrangement, in order to be electrically connected the bridge joint metal of induction electrode and therebetween insulation course.But, in viewing area, because extraneous light can be reflexed to human eye by opaque bridge joint metal.Therefore, user easily observes out the bridge joint metal in contactor control device, and the problem causing the visual effect of touch panel display not good.In addition, when the size of contact panel becomes large, the resistance that manufacturer can face induction electrode is too high, and not easily drives the problem of contact panel.
Thus, need a kind of touch control display device of development at present badly, it can reduce the visual problem of metal pattern, to promote the visual quality that user watches touch control display device, and alleviates the too high problem of resistance simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of touch control display device, effectively can reduce the visual problem of metal pattern, promote visual quality, alleviate the problem that resistance is too high simultaneously.
For achieving the above object, touch control display device provided by the invention, comprising: a display module, include the first different sub-pixel of a plurality of color, the second sub-pixel, with the 3rd sub-pixel; And a plurality of touch control unit, be arranged on this display module, this touch control unit each comprises: two first electrode blocks, along a first direction arrangement; Two the second electrode blocks be electrically connected, along a second direction arrangement; One bridging line, is electrically connected this two first electrode block, and wherein, this bridging line has an angle (θ being greater than zero relative to this first direction
1), wherein, 0 ° of < θ
1<90 °; One insulation course, is arranged between this bridging line and this two second electrode block; Wherein, two is arrange with the rotational symmetry of this second direction parallel along the bridging line that this first direction is adjacent, and two is arrange with the rotational symmetry of this first direction parallel along the bridging line that this second direction is adjacent.
Accordingly, in touch control display device of the present invention, compared with known contact panel, because bridging line adjacent in touch control unit of the present invention has different vergence directions, therefore bridging line is subject to extraneous light irradiates produce reflective and can not inject human eye toward same direction.Accordingly, user can not receive stronger reflective of intensity and receive more weak reflective of intensity when another special angle viewing display panel when certain special angle viewing display panel, but can receive the reflective of equivalent intensity at each viewing angle.Thus, the reflective effect that will reach obfuscation because of average dispersion of bridging line, and improve the problem of metal visuality.
Accompanying drawing explanation
Fig. 1 is the touch control unit schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is the cut-open view of touch control unit along AA direction of Fig. 1.
Fig. 3 is the touch control display device schematic diagram of a preferred embodiment of the present invention.
Fig. 4 is the schematic diagram of the touch control unit of a preferred embodiment of the present invention.
Fig. 5 is the schematic diagram of the metal wire set-up mode of another preferred embodiment of the present invention.
Fig. 6 is the schematic diagram that the metal wire of Fig. 5 corresponds to pixel in display module.
Fig. 7 is four sub-pixels of the present invention is straight stripe array schematic diagram.
Fig. 8 is three sub-pixels of the present invention is Mosaic style arrangement schematic diagram.
Fig. 9 is three sub-pixels of the present invention is triangular form arrangement schematic diagram.
Figure 10 is the schematic diagram of the present invention's metal wire set-up mode of a preferred embodiment again.
Symbol description in accompanying drawing:
100 contact panels; 101 touch surface; 200 display modules; 300 touch control display device; 1 first electrode block; 2 second electrode blocks; 3,31,32,33,34 bridging lines; 4 insulation courses; 51 first metal wires; 52 second metal wires; 521,522 turnovers; 61,62,63 pixels; 611,621,631 central points; 71,72,73,74 sub-pixels; 81,82 axles; θ
1, θ
2, θ
3, θ
4, θ
5, θ
6angle.
Embodiment
By specific embodiment, embodiments of the present invention are described below, those skilled in the art can understand other advantages of the present invention and effect easily by content disclosed in the present specification.In addition, the present invention also can be implemented by other different specific embodiments or be applied, under not departing from spirit of the present invention, carry out various modification and change.
Embodiment 1
Fig. 1 is the touch control unit schematic diagram of a preferred embodiment of the present invention, and Fig. 2 is the cut-open view of touch control unit along A-A direction of Fig. 1.This touch control unit comprises: a pair first electrode blocks 1, along a first direction arrangement; A pair second electrode blocks 2, along one second direction arrangement and adjacent this to the first electrode block 1, wherein this first direction is perpendicular to this second direction; One bridging line 3, is electrically connected this to the first electrode block 1; And an insulation course 4, be arranged at this bridging line 3 and this is between the second electrode block 2.Further, referring to Fig. 4, is the partial enlarged drawing of four adjacent touch control units, this bridging line 31 that display four is adjacent respectively, 32,33,34, two along the adjacent bridging line 31 of this first direction, 32 or 33,34 is be symmetrical arranged with the axle 81 of this second direction parallel, and two along the adjacent bridging line 31 of this second direction, 33 or 32,34 is be symmetrical arranged with the axle 82 of this first direction parallel.This bridging line 31,32,33,34 is in an acute angle relative to this first direction shape, and the angle θ of this acute angle
1be greater than zero degree and be less than 90 degree.Because adjacent bridging line has different vergence directions, therefore bridging line is subject to extraneous light irradiates produce reflective and can not inject human eye toward same direction.Accordingly, user can not receive stronger reflective of intensity and receive more weak reflective of intensity when another special angle viewing display panel when certain special angle viewing display panel, but can receive the reflective of equivalent intensity at each viewing angle.Thus, the reflective effect that will reach obfuscation because of average dispersion of bridging line, and improve the problem of metal visuality.
In this, angle θ
1there is no particular restriction, can be 20 to 70 degree, better can be 20 to 45 degree.Further, adjacent bridging line 31,32,33,34 is also not restricted to the mode of axial array, such as, also can be the arrangement mode of progressive angle, irregular arrangement mode etc.; Have in the art and usually know that the knowledgeable can adjust the arrangement mode of plural bridging line according to practical application.
By known technology (such as: micro-shadow and etch process), a conductive layer pattern is formed the first electrode block 1 and the second electrode block 2, the material of conductive layer can be the conventional electrode material of the art, as indium tin oxide (ITO), indium-zinc oxide (Indium Zinc Oxide, or other transparent conductive film materials (transparent conductive oxide, TCO) etc. IZO).In addition, bridging line 3 is preferably the metal level of single or multiple lift structure, metal layer material is such as: copper, aluminium, molybdenum, its alloy or its combination, secondary good be transparency conducting layer, the material of transparency conducting layer is such as: indium tin oxide (ITO), indium-zinc oxide (Indium Zinc Oxide, or other transparent conductive film materials (transparentconductive oxide, TCO) IZO).There is no particular restriction for the width of bridging line 3, is preferably 6 to 10 microns; If the width of bridging line 3 is greater than 10 microns, the visual deleterious of reduction of the present invention may be made.
In addition, insulation course 4 be in order to as this to the first electrode block 1 and this is to the electrical isolation between the second electrode block 2, to avoid being short-circuited.In this embodiment, the vertical view of insulation course 4 is rectangular configuration, the length direction of the corresponding bridging line 31,32,33,34 of its length direction and arranging, but the present invention is not limited to this, can adjust according to process conditions.Insulation course 4 can be single or multiple lift structure, and the material of insulation course 4 can be monox, silicon nitride, other transparent insulating polymers or its combination.
As shown in Figure 3; the contact panel 100 comprising above-mentioned touch control unit is applied to display module 200; for ease of diagram, eliminate in esse contact panel 100 structure (such as: substrate, light shield layer, optical thin film, line layer and protective seam etc.) and display module 200 structure (such as: colored filter substrate, Organic Light Emitting Diode layer, thin film transistor base plate etc.) in figure 3.Touch control display device 300 comprises: display module 200; And contact panel 100, be arranged on the side of display module 200; User watches touch control display device 300 from touch surface 101.
In brief, contact panel 100 can be applicable to the device that any need use contact panel, is not particularly limited, and display module 200 can be various flat-panel screens, such as, can be liquid crystal display, organic light emitting diode display or electric paper display etc.; Practical application is such as: the combination etc. of vehicle display, isolating electromagnetic glass, mobile phone, solar cell, portable type liquid crystal electronic game, electrical home appliances liquid crystal panel, instrument display, organic light emitting diode display, liquid crystal display, notebook computer, liquid crystal electric-type, plasma display panel, color filter electrode or more.
Embodiment 2
Fig. 5 is the touch control unit schematic diagram of another embodiment, is shown in this to first and second electrode block 1, carries plural metal wire on 2.Refer to Fig. 5, except first electrode block 1, second electrode block 2 identical with above-described embodiment 1, bridging line 3 and insulation course 4, more comprise one first metal wire 51 and one second metal wire 52, this first metal wire 51 is arranged at this on the first electrode block 1, and this second metal wire 52 is arranged at this on the second electrode block 2 be electrically connected.The material of this first metal wire 51 and this second metal wire 52 can be any material with electric conductivity, such as metal.According to electrode block pattern, this first metal wire 51 and this second metal wire 52 can be selected from by the group that a straight line, a curve, a broken line, a jaggies and a wave form independently of one another; In this embodiment, when this first metal wire 51 and this second metal wire 52 are broken line, this first metal wire 51 at this to the first electrode block 1 respectively having a turnover 511,512, and this second metal wire 52 at this to the second electrode block 2 respectively having a turnover 521,522; Less turnover number can present and preferably reduce visual effect.This to the first metal wire 51 and this to the width of the second metal wire 52, there is no particular restriction, be preferably 2 to 4 microns; If this is greater than 4 microns to the first metal wire 51 and this to the width of the second metal wire 52, the visual deleterious of reduction of the present invention may be made.
Refer to Fig. 6, first metal wire 51, second metal wire 52 of display Fig. 5 corresponds to the schematic diagram of pixel in the display module 200 being contained in Fig. 2, each metal wire 51,52 in corresponding electrode block 1, at least across three sub-pixels 71,72,73 on 2.Display module comprises plural pixel 61,62,63, each pixel 61,62,63 comprise the first sub-pixel 71, second sub-pixel 72 along third direction arrangement and the 3rd sub-pixel 73, the color of those sub-pixels is different, can independently be selected from separately by redness, green, blueness, dark green, yellow and colourless formed group.Such as: red, green and blue combination (RGB).
The arrangement mode of this plural pixel is not limited, such as, can be straight stripe array, Mosaic style arrangement or triangular form arrangement.Pixel color combination of the present invention and arrangement mode can be done suitably to select according to actual demand by those skilled in the art.In this embodiment, this plural pixel is red pixel 71, the group of green pixel 72 and blue pixel 73 merges into straight stripe array.
Accordingly, one of them of this first, second metal wire 51,52 extends along this fourth direction of this third direction vertical, and it forms an acute angle theta relative to this third direction
3, the angle (θ of this acute angle
3) be define with following equation:
θ
3=[tan
-1(BY/X)]±2°
Wherein, X is the distance of the central point 611,631 along two adjacent pixels 61,63 of this third direction, and Y is the distance of the central point 611,621 along two adjacent pixels 61,62 of this fourth direction, and 0.5≤B≤1.
In addition, in equation, contingent error amount during " ± 2 ° " expression this angle of calculating, comprises the error that various personal error, environmental baseline error, instrument error etc. are caused; Generally speaking, in this technical field, acceptable error angle scope is within ± 2 °, such as: the error that there is-0.5 ° ,-1 ° ,+0.5 ° or+1 °.
In addition, this bridging line 31,32 described in embodiment 1,33,34 form an acute angle theta relative to this third direction
2, acute angle theta
2can with θ
3define identical.
Accordingly, when this first metal wire 51 and this second metal wire 52 and sub-pixel 71, when the length direction of 72,73 forms relative to this third direction the angle that aforesaid equation defines, because evenly covering each sub-pixels 71 in plural pixel, 72,73, and the Problem of Shading that can prevent single sub-pixels, when user watches display device, effectively can solve the problem of colour cast, so promote user view and admire quality.Further, the electric conductivity that this first metal wire 51 and this second metal wire 52 can strengthen first and second electrode block 1,2 is set, in effectively reducing, situation that in big size device, the resistance of first and second electrode block 1,2 is too high.
Or, refer to Fig. 7, display module comprises plural pixel 61,62,63, each pixel 61,62,63 comprise along the first sub-pixel 71, second sub-pixel 72 of third direction arrangement, the 3rd sub-pixel 73 and the 4th sub-pixel 74, the color of those sub-pixels is different, can independently be selected from separately by redness, green, blueness, dark green, yellow, white and colourless formed group.Such as: red, green, blue and dark green combination (RGBC); Or red, green, blue and yellow combination (RGBY); Or red, green, blue and white combination (RGBW).In this embodiment, this plural pixel is straight stripe array.In the case, the angle (θ of this acute angle
5) be define with following equation:
θ
5=[tan
-1(BY/X)]±2°
In this equation, X is the distance of the central point 611,631 along two adjacent pixels 61,63 of this third direction, and Y is the distance of the central point 611,621 along two adjacent pixels 61,62 of the fourth direction of this third direction vertical, and 0.5≤B≤1.
Or, refer to Fig. 8, display module comprises plural pixel 61,62,63, each pixel 61,62,63 comprise the first sub-pixel 71, second sub-pixel 72 along third direction arrangement and the 3rd sub-pixel 73, and those the first sub-pixels 71 one of them, those the second sub-pixels 72 one of them, be along this fourth direction arranged adjacent with one of them of those the 3rd sub-pixels 73.In this embodiment, this plural pixel is Mosaic style arrangement.In the case, the angle (θ of this acute angle
6) be define with following equation:
θ
6=[tan
-1(BY/X)]±2°
In this equation, X is the distance of the central point 611,631 along two adjacent pixels 61,63 of this third direction, and Y is the distance of the central point 611,621 along two adjacent pixels 61,62 of this fourth direction, and B is 0.5.
Or, referring to Fig. 9, those first sub-pixels 71, those second sub-pixels 72, is along one the 5th direction arranged adjacent with those the 3rd sub-pixels 73, and the 5th direction is different from this third direction and this fourth direction, in this embodiment, this plural pixel is triangular form arrangement.Wherein, one of them of this metal wire 51,52 extends along one perpendicular to the fourth direction of this third direction, and it is in an acute angle relative to this third direction shape, the angle (θ of this acute angle
4) be define with following equation:
θ
4=[tan
-1(CY/X)]±2°
Wherein, X is the distance of the central point 611,631 along two adjacent pixels 61,63 of this third direction, and Y is the distance of the central point 611,621 along two adjacent pixels 61,62 of this fourth direction, and C is 5.
Embodiment 3
Figure 10 is the touch control unit schematic diagram of the present invention's preferred embodiment again, shows the first electrode block 1, second electrode block 2 and is made as another kind of pattern; This first metal wire 51 and this second metal wire 52 are straight line, and respectively have a turning point (not shown) on this first electrode block 1 and the second electrode block 2; And the bridging line 3 identical with above-described embodiment 1, insulation course 4.Other explanations relevant to each assembly all as above-described embodiment 1,2, repeat no more in this embodiment.
Above-described embodiment is citing for convenience of description only, and the interest field that the present invention advocates from being as the criterion described in the right of application, but not is only limitted to above-described embodiment.
Claims (8)
1. a touch control display device, comprising:
One display module, include the first different sub-pixel of a plurality of color, the second sub-pixel, with the 3rd sub-pixel; And
A plurality of touch control unit, is arranged on this display module, and this touch control unit each comprises:
Two first electrode blocks, along a first direction arrangement;
Two the second electrode blocks be electrically connected, along a second direction arrangement;
One bridging line, is electrically connected this two first electrode block, and wherein, this bridging line has an angle θ being greater than zero relative to this first direction
1, wherein, 0 ° of < θ
1<90 °; And
One insulation course, is arranged between this bridging line and this two second electrode block;
Wherein, two is arrange with the rotational symmetry of this second direction parallel along the bridging line that this first direction is adjacent, and two is arrange with the rotational symmetry of this first direction parallel along the bridging line that this second direction is adjacent.
2. touch control display device as claimed in claim 1, wherein, those first sub-pixels, those second sub-pixels, to be selected from by redness, green, blueness, cyan, yellow, the white group formed with those the 3rd sub-pixels.
3. touch control display device as claimed in claim 1, wherein, this display module includes a plurality of pixel, each pixel include along those the first sub-pixels of a third direction arranged adjacent one of them, those the second sub-pixels one of them, with one of them of those the 3rd sub-pixels, wherein, this bridging line is in an acute angle relative to this third direction shape, the angle θ of this acute angle
2define with following equation:
θ
2=[tan
-1(BY/X)]±2°
Wherein, X is the distance of the central point along two adjacent pixels of this third direction, and Y is the distance of the central point along two adjacent pixels of the fourth direction of this third direction vertical, and 0.5≤B≤1.
4. touch control display device as claimed in claim 1, wherein, this touch control unit each comprises:
At least two metal wires, this two metal wire is arranged on this two first electrode block and two second electrode blocks respectively, and this first metal wire and this second metal wire are for be electrically insulated each other;
Wherein, each metal wire on corresponding electrode block at least across three sub-pixels, and these three sub-pixels be respectively those the first sub-pixels one of them, those the second sub-pixels one of them, with one of them of those the 3rd sub-pixels.
5. touch control display device as claimed in claim 4, wherein, this metal wire has at least one turnover on this first electrode block, and this metal wire has at least one turnover on this second electrode block.
6. touch control display device as claimed in claim 4, wherein, this display module includes a plurality of pixel, each pixel include along those the first sub-pixels of a third direction arranged adjacent one of them, those the second sub-pixels one of them, with one of them of those the 3rd sub-pixels, wherein, one of them of this two metal wire extends along the fourth direction of this third direction vertical, and this metal wire forms an acute angle theta relative to this third direction
3, the angle θ of this acute angle
3define with following equation:
θ
3=[tan
-1(BY/X)]±2°
Wherein, X is the distance of the central point along two adjacent pixels of this third direction, and Y is the distance of the central point along two adjacent pixels of this fourth direction, and 0.5≤B≤1.
7. touch control display device as claimed in claim 6, wherein, those the first sub-pixels one of them, those the second sub-pixels one of them, be along this fourth direction arranged adjacent with one of them of those the 3rd sub-pixels, in this equation, B is 0.5.
8. touch control display device as claimed in claim 4, wherein, this display module includes a plurality of pixel, each pixel include along those the first sub-pixels of a third direction arranged adjacent one of them, those the second sub-pixels one of them, with one of them of those the 3rd sub-pixels;
Wherein, those the first sub-pixels one of them, those the second sub-pixels one of them, be along one the 5th direction arranged adjacent with one of them of those the 3rd sub-pixels, and the 5th direction is different from the fourth direction of this third direction this third direction vertical with, wherein, one of them of this two metal wire extends along the fourth direction of this third direction vertical, and this metal wire is in an acute angle relative to this third direction shape, the angle θ of this acute angle
4define with following equation:
θ
4=[tan
-1(CY/X)]±2°
Wherein, X is the distance of the central point along two adjacent pixels of this third direction, and Y is the distance of the central point along two adjacent pixels of this fourth direction, and C is 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128530.4A CN104978055B (en) | 2014-04-01 | 2014-04-01 | Touch control display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128530.4A CN104978055B (en) | 2014-04-01 | 2014-04-01 | Touch control display device |
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| CN104978055A true CN104978055A (en) | 2015-10-14 |
| CN104978055B CN104978055B (en) | 2018-07-17 |
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| CN105786260A (en) * | 2016-04-22 | 2016-07-20 | 京东方科技集团股份有限公司 | Touch screen and display device |
| CN109343744A (en) * | 2018-12-07 | 2019-02-15 | 武汉华星光电半导体显示技术有限公司 | A kind of touch screen and electronic device |
| CN109375802A (en) * | 2018-09-29 | 2019-02-22 | 武汉天马微电子有限公司 | Touch display panel and device |
| CN109426394A (en) * | 2017-08-28 | 2019-03-05 | 乐金显示有限公司 | Touch screen panel and display device including the touch screen panel |
| CN114077328A (en) * | 2020-08-18 | 2022-02-22 | 京东方科技集团股份有限公司 | Touch panel and touch display panel |
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| CN114077328B (en) * | 2020-08-18 | 2024-01-30 | 京东方科技集团股份有限公司 | Touch panel and touch display panel |
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| Publication number | Publication date |
|---|---|
| CN104978055B (en) | 2018-07-17 |
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