CN203012670U - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN203012670U CN203012670U CN 201220685001 CN201220685001U CN203012670U CN 203012670 U CN203012670 U CN 203012670U CN 201220685001 CN201220685001 CN 201220685001 CN 201220685001 U CN201220685001 U CN 201220685001U CN 203012670 U CN203012670 U CN 203012670U
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Abstract
The utility model discloses a touch display device. The touch display device comprises a display panel and a touch panel. According to the display panel, a picture is displayed through a plurality of pixels, each single pixel is composed of a red sub-pixel, a green sub-pixel and a blue sub-pixel, the touch panel comprises a transparent substrate, a plurality of electrode wires are arranged on the transparent substrate, and all the electrode wires are appropriately paved along the diagonal line of at least one pixel. The electrode wires of the touch display device are paved along the diagonal lines of all the pixels, so that the electrode wires have an identical shielding degree on the sub-pixels of red, green and blue (R, G and B), and the problem of picture color cast can be effectively avoided.
Description
Technical field
The utility model relates to a kind of touch control display apparatus, particularly a kind of touch control display apparatus that uses transparency carrier to be provided with to contain the electrode wires of each sub-pixel in each pixel.
Background technology
Generally be applied to the interior touch-control module of touch control display for being located at the circuit substrate that the action of sensing touch-control is provided on display, be generally a kind of design of transparency carrier, be equipped with the electrode made from conductive material on transparency carrier, become the circuit of sensing touch-control action in touch control display.The form of electrode has multiple, and wherein a kind of conductive material that forms electrode is metal wire, and certain width is arranged, and obtains the X of touch-control action on touch-control module and the signal of Y both direction by staggered design, coordinates relative software to reach the purpose of touch control operation.
The structure of related known technology touch control display apparatus can be consulted schematic diagram shown in Figure 1.
The touch control display apparatus primary structure that shows in Fig. 1 is a touch base plate 103 and the row electrode lines 101 and row electrode wires 102 that are formed on upper and lower surface, form a panel 10, above this panel 10 by binder 104 with above lid 105 combinations, the below is with binder 106 and display panel 107 combinations.
The wherein material of touch base plate 103 such as glass, plastics, hybrid glass/plastic material etc., the row electrode lines 101 that upper and lower forms is laid along directions X and Y-direction respectively with row electrode wires 102, the capacity effect that produces when user's finger touches contact panel can form electric field, staggered 101,102 positions that can judge exactly touching of electrode wires.
Known electrode form can be with reference to the known technology capacitance type touch-control panel shown in figure 2A.Show the electrode lay-out of capacitance type touch-control panel in Fig. 2 A, include row electrode lines 203 and row electrode wires 204, wherein intersection point should fall within on each pixel 20 of display, therefore can judge the corresponding pixel of touch position, and pixel 20 positions of row electrode lines 203 and row electrode wires 204 point of crossing have stray capacitance 201.
This capacitance type touch-control panel utilize 204 of this row electrode lines 203, row electrode wires stray capacitance 201 because the electric current that passes through become can the sensing electric field change signal electric capacity 202, or say touching behavior change near the electric field electric capacity on the panel, the namely variation of this signal electric capacity 202 of causing of finger, palm or other body parts or object, thereby can sense touch position with row electrode wires 204 by the associated row electrode lines 203 of signal electric capacity 202.
Can consult the known technology electrode wires shown in Fig. 2 B and the graph of a relation of pixel, as shown in Fig. 2 B, display panel presents tactic pixel, each pixel (pixel) is comprised of the sub-pixel (subpixel) of different colours, wherein the R(red sub-pixel shown as Fig. 2 B of a kind of technology), the G(green sub-pixels) with the B(blue subpixels) the single pixel of composition.Also show the row electrode lines 203 ' and row electrode wires 204 ' that crisscross on each pixel in Fig. 2 B, it is worth mentioning that, row electrode lines 203 ' and the point of crossing of row electrode wires 204 ' be rough is encompassed in each pixel central authorities.
Can then consult the known technology schematic diagram of each pixel shown in Fig. 2 C and electrode wires.In Fig. 2 C, a pixel 20 is amplified and show, schematically illustrate the red sub-pixel by R(), the G(green sub-pixels) with the B(blue subpixels) institute forms single pixel 20, in this embodiment, be layed in the row electrode lines 203 on contact panel " with row electrode wires 204 " the point of crossing fall within central authorities green sub-pixels on.
As the description of above Fig. 2 B or Fig. 2 C, the electrode wires layout that known technology designs on contact panel is often laid with the vertical and horizontal direction, and wherein the design of point of crossing is the central authorities that correspond to each pixel as far as possible.As shown in Fig. 2 C, if the point of crossing falls within on the sub-pixel of middle position of three sub-pixels, therefore, electrode wires with certain width usually forms an effect of covering, the due brightness of each sub-pixel is covered, and in each pixel, the screening effect of each sub-pixel is inconsistent again, and producing between the sub-pixel of this pixel different colours has the even problem of irregular colour, may cause the color offset phenomenon of final picture.
For instance, design on contact panel in the induction electrode of level and vertical direction and may only cover wherein sub-pixel in each pixel, other sub-pixels make the color of each pixel inhomogeneous without covering, and affect display quality.
Except the above-mentioned colour cast that produces because of the effect difference of crested between each sub-pixel, the tolerance that general display group process of assembling produces and make between contact panel and display panel the corresponding precision of combination not good, cause the situation of corresponding each pixel of induction electrode inconsistent, cause the inconsistent problem of each pixel color, the combination of the two kinds of shortcomings in front and back may produce larger colour cast problem.
The utility model content
The utility model provides a kind of touch control display apparatus, be primarily characterized in that the electrode wires that will be located on contact panel lays in the mode at an oblique angle, purpose is to allow the different colours sub-pixel on each pixel that approaching shield coverage is arranged, with the colour cast problem of the picture effectively avoiding presenting at last.
According to embodiment, touch control display apparatus mainly includes a display panel, display panel shows a picture with a plurality of pixels, wherein each single pixel is comprised of the sub-pixel of a plurality of different colours, such as red sub-pixel, green sub-pixels and blue subpixels, other may not arranged as the possibility of the sub-pixel of white, black or other color ranges but do not get rid of.
Touch control display apparatus also comprises a contact panel, comprises at least a transparency carrier, and transparency carrier is provided with many strip electrodes line, and each electrode wires is approximately along the diagonal line of at least one pixel and lay.
In other words, the utility model discloses a kind of touch control display apparatus, comprising: a display panel, show a picture with a plurality of pixels, and wherein each single pixel is comprised of the sub-pixel of a plurality of different colours; And a contact panel, combine between the higher and lower levels with this display panel, comprise at least a transparency carrier, wherein this transparency carrier is provided with many strip electrodes line, and each electrode wires is laid along this at least one pixel diagonal line.
Preferably, a plurality of sub-pixels of described single pixel comprise red sub-pixel, green sub-pixels and blue subpixels at least.
Preferably, the angle theta between described electrode wires and horizontal direction is between 18.435 degree are spent to 71.565.
Preferably, also be provided with one or more electrode wires between the many strip electrodes line on described transparency carrier, and two electrode wires adjacent one another are in the horizontal direction the distance be the width of a sub-pixel.
Described electrode wires is nontransparent metal wire,
Preferably, the live width of described metal wire is between 1 μ m to 10 μ m.
Preferably, described display panel is a display panels, an electric slurry display panel or an organic LED display panel.
According to an embodiment again, display also can comprise another transparency carrier, is equipped with another electrode lay-out with respect to the many strip electrodes line different directions on aforementioned transparency carrier on it.
According to another embodiment, also be provided with one or more electrode wires between the many strip electrodes line on transparency carrier, contiguous electrode wires is the width of the about sub-pixel of distance in the horizontal direction.
The beneficial effects of the utility model are: each electrode wires is particularly laid along the diagonal line of each pixel, and so electrode wires is at each sub-pixel R, and G, B have identical shield coverage, can effectively avoid image colour cast problem.
Description of drawings
Fig. 1 is the structural representation of known technology touch control display apparatus;
Fig. 2 A is known technology capacitance type touch-control panel schematic diagram;
Fig. 2 B is the graph of a relation of known technology electrode wires and pixel;
The known technology schematic diagram of each pixel of Fig. 2 C and electrode wires;
Fig. 3 A is one of embodiment schematic diagram of the utility model electrode;
Fig. 3 B be the utility model electrode the embodiment schematic diagram two;
Fig. 4 be the utility model electrode the embodiment schematic diagram three;
Fig. 5 is the embodiment schematic diagram of being combined with display panel according to electrode of the present utility model;
Fig. 6 be the utility model electrode the embodiment schematic diagram four;
Fig. 7 is one of the utility model touch control display apparatus embodiment schematic diagram;
Fig. 8 is two of the utility model touch control display apparatus embodiment schematic diagram.
[main element description of reference numerals]
Binder 104,106 display panels 107
Signal electric capacity 202 row electrode lines 203,203 ', 203 "
Row electrode wires 204,204 ', 204 "
Sub-pixel R, G, B angle θ, θ ', θ
1, θ
2
Width w
The second transparency carrier 82 electrode wires 811,821
Embodiment
The electrode wires layout that designs on the contact panel of known technology, often lay with the vertical and horizontal direction, or the electrode lay-out that designs according to particular demands is arranged, wherein the design of the electrode wires point of crossing of all directions is the central authorities that correspond to each pixel as far as possible, known technology as shown in Fig. 2 C, point of crossing fall within on the sub-pixel of middle position of three sub-pixels.Therefore, the electrode wires with certain width usually forms an effect of covering on each pixel, may cover some sub-pixels, produces covering of brightness to a certain degree.Therefore, in order to avoid this class design to make, the even problem of irregular colour has occured between the pixel different colours, so the utility model proposes a kind of touch control display apparatus that adopts the improvement type electrode lay-out.
One of embodiment can consult the schematic diagram of the utility model electrode shown in Fig. 3 A.According to technical characterictic of the present utility model, as the pixel 30 that shows in Fig. 3 A, sub-pixel by different colours forms, signal shows red sub-pixel (R), green sub-pixels (G) and blue subpixels (B), yet during practical application, the color of sub-pixel can not be limited with this example, does not get rid of to include the sub-pixel that black, white or other color ranges produce, such as generation has RGBW(white, white) sub-pixel design.The red sub-pixel of the single pixel that this type of demonstrates, green sub-pixels and blue subpixels are located at one that in display panel, backlight module sequentially produces by a colored filter.
Red sub-pixel (R), green sub-pixels (G) and single pixel 30 of blue subpixels (B) composition arranged sequentially that this embodiment is shown, according to the utility model embodiment, the electrode wires 301 of being located on contact panel is a kind of design of single shaft electrode, approximately lay along the diagonal line of pixel 30, electrode wires 301 directions and horizontal direction have an angle θ as shown in Figure 3A.
Illustrate with a preferred embodiment, if above-mentioned three sub-pixel area occupied are consistent, the purpose of laying in order to reach about diagonal line along pixel 30, the angle theta between electrode wires 301 and horizontal direction can be between 18.435 degree between 71.565 degree;Electrode wires 301 is for having the metal fine between live width 1 μ m to 10 μ m.The area that is encompassed in different subpixel for fear of electrode wires 301 has larger difference, and electrode wires 301 of the present utility model can be at each sub-pixel R, and G, B occupy approaching area ratio, makes the picture that produces be unlikely excessive colour cast problem.
Fig. 3 B shows the embodiment schematic diagram of the electrode of another direction.The electrode wires 302 of the single shaft electrode design of passing through is arranged on pixel 30 in this embodiment equally, and the direction of electrode wires 302 and horizontal direction be θ ' with an angle.
In like manner, by the cornerwise electrode lay-out mode along pixel 30, the electrode wires 302 of being located at contact panel can be at each sub-pixel R, and G, B are contained approaching area ratio, can effectively avoid the color offset phenomenon of the image that presents at last.
Fig. 4 then shows another embodiment schematic diagram of the utility model electrode, this embodiment shows the electrode wires 401 that two interlaced directions are laid with a kind of twin shaft electrode design, 402, the electrode wires 401,402 of this twin shaft design is respectively with the angle θ relative with the orientation (as horizontal direction in Fig. 4) of pixel 40
1With θ
2Lay.θ
1With θ
2Can identical, approaching or different angle design.
According to technical way of the present utility model, the electrode wires 401,402 of this both direction when covering pixel 40, respectively still can be approximately along the diagonal line of pixel 40 and lay.Purpose is that approaching shield coverage can be arranged on each sub-pixel in pixel 40 equally.
Fig. 5 is shown as the embodiment schematic diagram of being combined with display panel according to electrode of the present utility model.
Show a display panel 5 in Fig. 5, the top is formed with a plurality of pixels 50, single pixel is comprised of the sub-pixel of a plurality of different colours, and the chief component of sub-pixel comprises red sub-pixel (R), green sub-pixels (G) and the blue subpixels (B) that shows in Fig. 5, but and is not precluded within the sub-pixel that particular panel design comprises other colors.The backlight module of being located in display panel 5 can be various forms of backlights, as cold-cathode tube (Cold Cathode Fluorescent Lamp, CCFL), light emitting diode (LED) etc., the white light that backlight penetrates produces shades of colour light via the colored filter on backlight module, and therefore order produces the different colours sub-pixel in each pixel.
In this embodiment, display panel 5 is provided with many electrode wires 501 that are layed on the transparency carrier (not shown), and each electrode wires 501 is laid with about diagonal line along single pixel on individual pixel.
Fig. 6 shows another embodiment of the utility model electrode lay-out.
This embodiment shows a pixel 60, the top is provided with through cornerwise electrode wires 600 on single pixel 60 except embodiment is contained as mentioned above, also be provided with other one or more electrode wires 601 between electrode wires 600, these two electrode wires 600,601 adjacent one another are on transparency carrier are the width W of the about sub-pixel of distance in the horizontal direction.
The example that Fig. 6 shows still can reach the utility model electrode wires and occupy purpose near area ratio on sub-pixel in each pixel, this many strip electrodes line 600,601 obviously contain each sub-pixel consistent number and corresponding area, still can avoid because cover the unequal problem that produces colour cast.
Adopt the touch control display apparatus of electrode lay-out in the various embodiments described above can consult embodiment schematic diagram shown in Figure 7.
The display panel 70 that shows in Fig. 7 generally can be display panels (LCD), electric slurry display panel (PDP) or organic LED panel (OLED), the top is formed with a plurality of pixels that formed by the shades of colour sub-pixel, this illustration meaning shown in red sub-pixel (R), green sub-pixels (G) and blue subpixels (B), and actual the realization not as limit.
The contact panel that combines between the higher and lower levels with display panel 70 comprises transparency carrier 72, the material of transparency carrier 72 is general as glass, plastics, hybrid glass/plastic material (as PET, PMMA) etc., the processing procedure making that the electrode on transparency carrier 72 (as electrode wires 721) can etching (etching), printing (printing), deposition (depositing) mode or other can form metal wire on substrate etc.
Touch control display apparatus shown in Figure 8 is an embodiment schematic diagram more of the present utility model.The display panel 80 and the contact panel that show in Fig. 8 combine between the higher and lower levels, and contact panel includes two transparency carriers, is the first transparency carrier 81 and the second transparency carrier 82, and each transparency carrier is equipped with respectively electrode wires 811,821.
In this embodiment, a plurality of electrode wires 811 on the first transparency carrier 81 are laid with a special angle, particularly decide according to each pixel layout on display panel 80, and better is to lay along the diagonal of at least one pixel.
Also comprise the electrode wires 821 that is equipped with on the second transparency carrier 82, the second transparency carriers 82 with respect to many strip electrodes line 811 different directions on the first transparency carrier 81 in contact panel.
One embodiment (not shown) is separately arranged, be different from above-mentioned two minutes other first transparency carriers 81 and the second transparency carrier 82, its electrode wires 811 and 821 can be formed at respectively the both side surface of a transparency carrier, and many strip electrodes line 811,821 of one of both sides or both sides respectively along the diagonal line of at least one pixel but different directions lay.
According to the processing procedure embodiment that makes electrode wires, the induction electrode live width of this type of twin shaft layout can be 1 μ m to 10 μ m, is arranged on the two-sided of monolithic transparency carrier, maybe can be arranged at respectively two transparency carriers.The direction of electrode wires and the angle theta between horizontal direction
1Between 18.435 degree are spent to 71.565, θ
2Between 18.435 degree are spent to 71.565.The sign of above-mentioned angle can be consulted Fig. 3 A, Fig. 3 B, Fig. 4.
In sum, the touch control display apparatus principal character that the utility model proposes is that each electrode wires particularly lays along the diagonal line of each pixel, and so electrode wires is at each sub-pixel R, and G, B have identical shield coverage, can effectively avoid image colour cast problem.
But the above is only better feasible embodiment of the present utility model; non-so namely limit to scope of the present utility model; therefore the equivalent structure that all utilization the utility model instructionss and accompanying drawing content are done changes, all in like manner be contained in protection domain of the present utility model, hereby statement.
Claims (7)
1. a touch control display apparatus, is characterized in that, described touch control display apparatus comprises:
One display panel shows a picture with a plurality of pixels, and wherein each single pixel is comprised of the sub-pixel of a plurality of different colours; And
One contact panel combines between the higher and lower levels with this display panel, comprises at least a transparency carrier, and wherein this transparency carrier is provided with many strip electrodes line, and each electrode wires is laid along this at least one pixel diagonal line.
2. touch control display apparatus as claimed in claim 1, is characterized in that, a plurality of sub-pixels of described single pixel comprise red sub-pixel, green sub-pixels and blue subpixels at least.
3. touch control display apparatus as claimed in claim 1, is characterized in that, the angle theta between described electrode wires and horizontal direction is between 18.435 degree are spent to 71.565.
4. touch control display apparatus as claimed in claim 1, is characterized in that, also is provided with one or more electrode wires between the many strip electrodes line on described transparency carrier, and two electrode wires adjacent one another are in the horizontal direction the distance be the width of a sub-pixel.
5. touch control display apparatus as described in claim 1 or 4, is characterized in that, described electrode wires is nontransparent metal wire.
6. touch control display apparatus as claimed in claim 5, is characterized in that, the live width of described metal wire is between 1 μ m to 10 μ m.
7. touch control display apparatus as claimed in claim 1, is characterized in that, described display panel is a display panels, an electric slurry display panel or an organic LED display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220685001 CN203012670U (en) | 2012-12-13 | 2012-12-13 | Touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220685001 CN203012670U (en) | 2012-12-13 | 2012-12-13 | Touch display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203012670U true CN203012670U (en) | 2013-06-19 |
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ID=48604244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220685001 Expired - Fee Related CN203012670U (en) | 2012-12-13 | 2012-12-13 | Touch display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203012670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978055A (en) * | 2014-04-01 | 2015-10-14 | 群创光电股份有限公司 | Touch control display device |
| CN105118383A (en) * | 2015-09-23 | 2015-12-02 | 京东方科技集团股份有限公司 | Display substrate and display device |
-
2012
- 2012-12-13 CN CN 201220685001 patent/CN203012670U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978055A (en) * | 2014-04-01 | 2015-10-14 | 群创光电股份有限公司 | Touch control display device |
| CN104978055B (en) * | 2014-04-01 | 2018-07-17 | 群创光电股份有限公司 | Touch control display device |
| CN105118383A (en) * | 2015-09-23 | 2015-12-02 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN105118383B (en) * | 2015-09-23 | 2019-01-25 | 京东方科技集团股份有限公司 | A kind of display base plate and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20161213 |