CN201562097U - Touch liquid crystal display device - Google Patents
Touch liquid crystal display device Download PDFInfo
- Publication number
- CN201562097U CN201562097U CN2009202608891U CN200920260889U CN201562097U CN 201562097 U CN201562097 U CN 201562097U CN 2009202608891 U CN2009202608891 U CN 2009202608891U CN 200920260889 U CN200920260889 U CN 200920260889U CN 201562097 U CN201562097 U CN 201562097U
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- transparency carrier
- liquid crystal
- touch
- crystal display
- display device
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Abstract
The utility model provides a touch liquid crystal display device, which includes a touch screen and a liquid crystal display device, wherein the liquid crystal display device includes a relatively provided first transparent carrier and a second transparent carrier, the touch screen includes a relatively provided third transparent carrier and a second transparent carrier in common use with the liquid crystal display device, the length of one end of the first transparent carrier is larger than the length of one end of the second transparent carrier, to form the substrate terminal of the liquid crystal display device, the length of the other end of the second transparent carrier is larger than the length of the other end of the first transparent carrier, to form the substrate terminal of the touch screen. The touch liquid crystal display device provided by the utility model realizes the leading-out of the drive electrode leading-out wire at the substrate terminal point of the touch screen, to satisfy the width require of the electrode leading-out wire, so as to ensure reliability of the touch liquid crystal display device and to reduce the technique realization difficulty; the structure of the touch liquid crystal display device is easier to realize, without adding additional process.
Description
Technical field
The utility model belongs to field of liquid crystal display, relates in particular to a kind of touch liquid crystal display device.
Background technology
The application of touch-screen more and more widely, especially as a kind of input equipment, with being used of display, such as touch-screen mobile phone, digital product etc.Under the traditional handicraft condition, realize that tangibly display device is by at a display surface, paste by bonding agent that a touch-screen realizes, two kinds of devices are to carry out processing and fabricating respectively, and then by binder combination to together, formed the modular structure of touch-screen+display.But such display device has increased touch-screen (including two-layer) and middle adhesive phase structure by the surface at display, and light transmission is poor.
At present, existing touch-screen and make displays all-in-one-piece technical scheme are occurred, purpose is exactly to reduce the quantity of the layer between touch-screen and the display, allows more shared layer of structure of touch-screen and display.For example notification number is the Chinese patent of CN2844974Y, a kind of touch-type LCD is disclosed, mainly told about on the face polaroid of LCD plated film as lower floor's conductive layer of touch-screen, the lower floor's glass substrate and the middle bonding coat of touch-screen have been reduced, thereby improved transmitance, reduce integral thickness, reduced cost, strengthened display effect.
But aforesaid touch-type LCD exists technology to intersect, realize the relatively difficult point of difficulty on concrete the making.Wherein, the technology intersection is meant LCD (Liquid Crystal Display, be called for short LCD) the production process and the production process of touch-screen intersect and carry out, need make the operation of sheet and finish such as before not have cutting, will need make large stretch of operation and touch-screen to LCD.And the production process of touch-screen and LCD tens procedures of having added up, how the order of these operations arranges, and how to avoid the conditionality between each operation, and as the restriction of baking temperature, these are exactly the difficult point that integral process is realized.That is to say, although can realize that touch-screen and LCD's is integrated, but because the operation of making is too many, and each operation may be all has certain relation with the condition of other operations, the technology that touch-screen and LCD make respectively is ripe, and influencing each other is not very big, still two cover operations is just lumped together the conditionality problem of different operations to have occurred, so just increase difficulty and also just reduced the product yield, also produced reliability problems simultaneously.Such as the drive electrode pin problem of touch-screen, and the electrode layer of touch-screen problem such as can or can not be subjected to that liquid crystal influences.
In the prior art, at the drive electrode pin problem of touch-screen, generally speaking, all be directly to draw in a side of the relative broad of frame, the electrode of lead-in wire must be diminished in order not influence the viewing area like this.On narrow frame, realize drawing of electrode outlet line, to the requirement of technology than higher, require extension line solid and reliable on the one hand with being connected of outside flexible PCB, also require the two connection not influence liquid crystal layer between first transparency carrier and second transparency carrier on the other hand, otherwise can cause the bad of demonstration, a so difficult problem that has also just become touch display device technology to realize.
The utility model content
The utility model provides a kind of touch liquid crystal display device that can effectively solve touch liquid crystal display device drive electrode lead-in wire at the technical matters of touch liquid crystal display device drive electrode lead-in wire in the prior art.
Problem of the present utility model solves by the following technical programs:
A kind of touch liquid crystal display device, described touch liquid crystal display device comprises touch-screen and LCD, described LCD comprises first transparency carrier and second transparency carrier that is oppositely arranged, described touch-screen comprises the 3rd transparency carrier that is oppositely arranged and second transparency carrier shared with LCD, the length of described first transparency carrier, one end is greater than the length of second transparency carrier, one end, to form the base-plate terminal of LCD, the length of the described second transparency carrier other end is greater than the length of the first transparency carrier other end, to form the base-plate terminal of touch-screen.
Preferably, described touch liquid crystal display device also comprises first polaroid that is arranged at first transparency carrier outside, and second polaroid that is arranged at the 3rd transparency carrier outside, and the surface of second polarizing layer is the appearance of touch liquid crystal display device.
Preferably, the described first transparency carrier inboard is formed with first transparency electrode, the one side of second transparency carrier relative with described first transparency carrier is formed with second transparency electrode, and first transparency electrode is formed with oriented layer with the surface that second transparency electrode contacts with liquid crystal; The inboard of described the 3rd transparency carrier is formed with the 3rd transparency electrode, and the one side of second transparency carrier relative with described the 3rd transparency carrier is formed with the 4th transparency electrode.
Preferably, described the 4th transparency electrode is coated the surface of second transparency carrier relative with described the 3rd transparency carrier.
Preferably, the base-plate terminal of described LCD carries first flexible circuit board, and the base-plate terminal of described touch-screen carries second flexible circuit board.
Preferably, the length of described the 3rd transparency carrier is identical with the length of second transparency carrier, and two ends are concordant.
Preferably, the equal in length of the base-plate terminal of the base-plate terminal of described LCD and touch-screen.
Preferably, the length of described base-plate terminal is more than or equal to 3mm.
Preferably, the base-plate terminal end of described touch-screen, the length of the 3rd transparency carrier is less than the length of second transparency carrier, the other end relative with base-plate terminal, the equal in length of the length of the 3rd transparency carrier and second transparency carrier.
The touch liquid crystal display device that the utility model provides, by form the base-plate terminal of touch-screen at the relative other end of the base-plate terminal of LCD, the drive electrode extension line of touch-screen is on the individual layer of second transparency carrier like this, promptly the base-plate terminal place by touch-screen realizes drawing of drive electrode extension line, satisfied the width requirement of drive electrode extension line, also can not influence simultaneously the display effect of LCD, guarantee the reliability of touch liquid crystal display device, reduced the difficulty that technology realizes; The structure of this touch liquid crystal display device is easier to realize, does not increase extra operation.
Description of drawings
Fig. 1 is the global sections structural representation of the touch liquid crystal display device that provides of the utility model;
Fig. 2 is the cross section structure synoptic diagram of liquid crystal display substrate in the touch liquid crystal display device that provides of the utility model;
Fig. 3 is the synoptic diagram that liquid crystal display substrate adds man-hour in the touch liquid crystal display device that provides of the utility model.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please refer to shown in Figure 1: a kind of touch liquid crystal display device, described touch liquid crystal display device comprises touch-screen and LCD, described LCD comprises first transparency carrier 11 and second transparency carrier 12 that is oppositely arranged, described touch-screen comprises the 3rd transparency carrier 17 that is oppositely arranged and second transparency carrier 12 shared with LCD, the length of described first transparency carrier, one end 111 is greater than the length of second transparency carrier, one end 121, additional thus length forms the base-plate terminal of LCD, the length of the described second transparency carrier other end 122 is greater than the length of the first transparency carrier other end 112, and additional thus length forms the base-plate terminal of touch-screen.Aforesaid description can be understood like this, the major part of described first transparency carrier 11 and second transparency carrier 12 overlaps and is provided with, and by annular seal space of sealing substance formation, (being left and right directions in Fig. 1) in the longitudinal direction, the two ends of first transparency carrier and second transparency carrier form alternative arrangement, form two staircase structures respectively, i.e. the base-plate terminal of the base-plate terminal of LCD and touch-screen, the base-plate terminal of described touch-screen partly is used to be provided with the drive electrode extension line of touch-screen.Like this, the drive electrode extension line of touch-screen is on the single layer substrate of second transparency carrier, satisfy the width requirement of the drive electrode extension line of touch-screen, also can not influence the display effect of LCD simultaneously, guaranteed the reliability of touch liquid crystal display device.
Described touch liquid crystal display device also comprises first polaroid 13 that is arranged at first transparency carrier, 11 outsides, and the surface that is arranged at second polaroid, 14, the second polarizing layers 14 in the 3rd transparency carrier 17 outsides is the appearance of touch liquid crystal display device.Described second polaroid 14 is an analyzer, is pasted on the outside surface of the 3rd transparency carrier 17 by binder, and it act as the check polarized light; Described first polaroid 13 is the polarizer, is pasted on the outside surface of first transparency carrier 11 by binder, and it act as the generation linearly polarized light, and wherein said binder can be a transparent glue for glue, double faced adhesive tape etc. generally speaking.
Further, described first transparency carrier 11 inboards are formed with first transparency electrode (not indicating), the one side of second transparency carrier 12 relative with described first transparency carrier is formed with second transparency electrode (not indicating), and first transparency electrode is formed with oriented layer (not indicating) with the surface that second transparency electrode contacts with liquid crystal 16; The inboard of described the 3rd transparency carrier 17 is formed with the 3rd transparency electrode (not indicating), the one side of second transparency carrier 12 relative with described the 3rd transparency carrier is formed with the 4th transparency electrode (not indicating), is provided with insulation isolating points 19 between described the 3rd transparency electrode and the 4th transparency electrode.Wherein, described first transparency electrode, second transparency electrode, the 3rd transparency electrode and the 4th transparency electrode can adopt material well known in the art to form, such as tin indium oxide (ITO), described oriented layer also can adopt material polyimide well known in the art (PI) to form.As a kind of concrete embodiment, described the 4th transparency electrode is the mode by coating, is formed at the surface of second transparency carrier relative with described the 3rd transparency carrier.
In order effectively to realize the control and the various transmission of Information of touch liquid crystal display device, the base-plate terminal of described LCD carries first flexible circuit board 15, and the base-plate terminal of described touch-screen carries second flexible circuit board 18.Described first flexible circuit board 15 is connected with second transparency electrode with first transparency electrode of LCD, described second flexible circuit board 18 is connected with the 4th transparency electrode with the 3rd transparency electrode of touch-screen, and the control circuit by the outside is realized control and the information transmission to touch liquid crystal display device.
As preferred embodiment a kind of, the length of described the 3rd transparency carrier 17 is identical with the length of second transparency carrier 12, two ends are concordant, structure as shown in Figure 1, can guarantee in manufacturing process like this, the 3rd transparency carrier and second transparency carrier add man-hour, can carry out according to the ordinary production technology of touch-screen, do not need other improvement.In this kind structure, described second flexible circuit board 18 can be designed to two-sided structure, i.e. double-sided copper-clad on the matrix of flexible circuit board, form double-deck flexible circuit board, contact conducting with the 3rd transparency electrode with the 4th transparency electrode respectively by conductive material then, realize touching the function that shows.The equal in length of the base-plate terminal of described LCD and the base-plate terminal of touch-screen can realize according to existing production technology.Preferably, the length of described base-plate terminal is more than or equal to 3mm, because the drive electrode of touch-screen lead-in wire interface itself just need 1.5mm or more than, add the leeway that coboundary or inner edge are reserved, probably need be more than 3mm, and general LCD visible area will be relatively less than this width to the distance of frame.
Certainly, the length of the length of described the 3rd transparency carrier 17 and second transparency carrier 12 can be inequality.Particularly, at this end of base-plate terminal of described touch-screen, the length of the 3rd transparency carrier 17 is less than the length of second transparency carrier 12, and the other end relative with base-plate terminal, the equal in length of the length of the 3rd transparency carrier 17 and second transparency carrier 12.In this kind structure, described second flexible circuit board 18 can be designed to the structure of single face, promptly single face covers copper on the matrix of flexible circuit board, form the individual layer flexible circuit board, contact conducting by conductive material with the 4th transparency electrode then, and the 3rd transparency electrode can be by the mode of transfer printing, and with the 4th transparency electrode conducting, final realization touches the function that shows.
The touch liquid crystal display device that the utility model provides, on the basis of existing touch-type LCD, improve, not only level of the prior art mechanism is cut down, but also second transparency carrier of LCD is improved, but such improvement does not influence the manufacturing process of LCD.In the technical solution of the utility model, second transparency carrier of LCD is used as the infrabasal plate of touch-screen simultaneously, and this substrate is improved.Please refer to shown in Figure 2, particularly: in the cutting action of LCD, color film 222 in second transparency carrier has been stayed on the adjacent substrate, formed the structure of second transparency carrier, 22 to the first transparency carriers, 21 length of LCD, promptly at an end relative with the base-plate terminal of LCD, second transparency carrier, 22 to the first transparency carriers 21 are long, this part that grows has just formed the base-plate terminal of touch-screen, be used to draw the drive electrode extension line of touch-screen, the driving extension line of touch-screen is just realized on the suitable single layer substrate of width like this, has guaranteed the reliability of touch-screen.And in the cutting action of available liquid crystal display, described color film 222 parts will be cut off, and only stay second transparency carrier of 221 parts as LCD.Therefore, the extension line of touch-screen drive electrode can not influence display effect owing to relate to the double-layer structure of LCD, so can not influence the work of LCD.
Angle from technology realizes does not increase extra operation, just handles getting final product in cutting accordingly.Please refer to shown in Figure 3, particularly: after first transparency carrier 31 and the combination of second transparency carrier 32 are finished, be sent to the cutting post and carry out cutting process, carry out according to existing cutting technique for first transparency carrier 31, promptly cut at line of cut 33 places between the adjacent big sheet glass in liquid crystal cell; And second transparency carrier 32 does not need cutting at line of cut 34 places, only carry out at line of cut 35 places, guarantee that color film 322 stays on the adjacent substrate 321, these coloured silk film 322 parts are exactly the part that second transparency carrier, 32 to the first transparency carriers 31 grow, and this part that grows has formed the base-plate terminal of touch-screen.
The touch liquid crystal display device that the utility model provides, by form the base-plate terminal of touch-screen at the relative other end of the base-plate terminal of LCD, the drive electrode extension line of touch-screen is on the individual layer of second transparency carrier like this, promptly the base-plate terminal place by touch-screen realizes drawing of drive electrode extension line, satisfied the width requirement of drive electrode extension line, also can not influence simultaneously the display effect of LCD, guarantee the reliability of touch liquid crystal display device, reduced the difficulty that technology realizes; The structure of this touch liquid crystal display device is easier to realize, does not increase extra operation.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. touch liquid crystal display device, described touch liquid crystal display device comprises touch-screen and LCD, it is characterized in that, described LCD comprises first transparency carrier and second transparency carrier that is oppositely arranged, described touch-screen comprises the 3rd transparency carrier that is oppositely arranged and second transparency carrier shared with LCD, the length of described first transparency carrier, one end is greater than the length of second transparency carrier, one end, to form the base-plate terminal of LCD, the length of the described second transparency carrier other end is greater than the length of the first transparency carrier other end, to form the base-plate terminal of touch-screen.
2. touch liquid crystal display device according to claim 1, it is characterized in that, described touch liquid crystal display device also comprises first polaroid that is arranged at first transparency carrier outside, and second polaroid that is arranged at the 3rd transparency carrier outside, the surface of second polarizing layer is the appearance of touch liquid crystal display device.
3. touch liquid crystal display device according to claim 2, it is characterized in that, the described first transparency carrier inboard is formed with first transparency electrode, the one side of second transparency carrier relative with described first transparency carrier is formed with second transparency electrode, and first transparency electrode is formed with oriented layer with the surface that second transparency electrode contacts with liquid crystal; The inboard of described the 3rd transparency carrier is formed with the 3rd transparency electrode, and the one side of second transparency carrier relative with described the 3rd transparency carrier is formed with the 4th transparency electrode.
4. touch liquid crystal display device according to claim 3 is characterized in that, described the 4th transparency electrode is coated the surface of second transparency carrier relative with described the 3rd transparency carrier.
5. touch liquid crystal display device according to claim 3 is characterized in that the base-plate terminal of described LCD carries first flexible circuit board, and the base-plate terminal of described touch-screen carries second flexible circuit board.
6. according to each described touch liquid crystal display device in the claim 1 to 5, it is characterized in that the length of described the 3rd transparency carrier is identical with the length of second transparency carrier, two ends are concordant.
7. touch liquid crystal display device according to claim 6 is characterized in that, the equal in length of the base-plate terminal of described LCD and the base-plate terminal of touch-screen.
8. touch liquid crystal display device according to claim 7 is characterized in that the length of described base-plate terminal is more than or equal to 3mm.
9. according to each described touch liquid crystal display device in the claim 1 to 5, it is characterized in that, the base-plate terminal end of described touch-screen, the length of the 3rd transparency carrier is less than the length of second transparency carrier, the other end relative with base-plate terminal, the equal in length of the length of the 3rd transparency carrier and second transparency carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202608891U CN201562097U (en) | 2009-11-27 | 2009-11-27 | Touch liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202608891U CN201562097U (en) | 2009-11-27 | 2009-11-27 | Touch liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562097U true CN201562097U (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202608891U Expired - Lifetime CN201562097U (en) | 2009-11-27 | 2009-11-27 | Touch liquid crystal display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201562097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808864A (en) * | 2015-05-22 | 2015-07-29 | 京东方科技集团股份有限公司 | Touch control display panel and display device |
| WO2016086637A1 (en) * | 2014-12-04 | 2016-06-09 | 京东方科技集团股份有限公司 | Display panel and display device |
-
2009
- 2009-11-27 CN CN2009202608891U patent/CN201562097U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086637A1 (en) * | 2014-12-04 | 2016-06-09 | 京东方科技集团股份有限公司 | Display panel and display device |
| US10197840B2 (en) | 2014-12-04 | 2019-02-05 | Boe Technology Group Co., Ltd. | Display panel and display device |
| CN104808864A (en) * | 2015-05-22 | 2015-07-29 | 京东方科技集团股份有限公司 | Touch control display panel and display device |
| WO2016188216A1 (en) * | 2015-05-22 | 2016-12-01 | 京东方科技集团股份有限公司 | Touch control display panel and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BYD ELECTRONIC COMPONENT CO., LTD. Free format text: FORMER OWNER: BIYADI CO., LTD. Effective date: 20150902 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150902 Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen BYD Electronic Component Co., Ltd. Address before: 518118 Pingshan Road, Pingshan Town, Shenzhen, Guangdong, No. 3001, No. Patentee before: Biyadi Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |