CN102722287A - Touch liquid crystal display device - Google Patents
Touch liquid crystal display device Download PDFInfo
- Publication number
- CN102722287A CN102722287A CN2012102067083A CN201210206708A CN102722287A CN 102722287 A CN102722287 A CN 102722287A CN 2012102067083 A CN2012102067083 A CN 2012102067083A CN 201210206708 A CN201210206708 A CN 201210206708A CN 102722287 A CN102722287 A CN 102722287A
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- touch
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Abstract
The invention relates to a touch liquid crystal display device, which comprises a touch screen, a liquid crystal display module and a frame, wherein the frame is arranged between the touch screen and the liquid crystal display module, and an opening is arranged at a display area of the frame corresponding to the touch screen; the periphery of the frame forms a raised line to the touch screen, and the raised line is surrounded into a containing space; a transparent glue layer is contained in the containing space; and the liquid crystal display module is stuck with the touch screen through the transparent glue layer. Compared with the prior art, the touch liquid crystal display device has the advantages that the raised line is arranged on the frame, the raised line is surrounded around the glue layer during sticking to play a blocking role, the problem that the glue overflows from the periphery of the frame a large range is effectively prevented, and the fractioning trouble in the manufacture procedure is reduced.
Description
Technical field
The present invention relates to the touch display field, relate in particular to a kind of touch liquid crystal display device.
Background technology
Development along with touching technique; Touch-screen is as a kind of simple, convenient, natural human-computer interaction device; In all trades and professions,, obtained using widely like fields such as video and music entertainment system, industry control, medical treatment, self-service terminal in mobile phone, onboard navigation system, the car; Greatly facilitate the user that those are ignorant of computation, bring brand-new user experience.
Different according to the medium of principle of work and senses touch information; Touch-screen roughly is divided into four types of resistance-types, condenser type, infrared-type, surface acoustic wave; Wherein capacitive touch screen becomes the touch-screen of present main flow because it has characteristics such as life-span length, transmittance height.In application, need to carry the demonstration module, and (Double Side Type DST) both non-display areas are fitted, yet there is certain thickness in double faced adhesive tape, generally more than 0.3mm, causes the increase of product thickness through double faced adhesive tape at the back side of touch-screen; In addition, adopt double faced adhesive tape applying meeting between the viewing area of touch-screen and demonstration module, to form air layer, cause scattering to a certain degree, influence display effect.For improving touch-screen and the applying effect that shows module; Adopt liquid optical cement (Liquid Optical Clear Adhesive at present; LOCA) touch-screen is fitted with showing module entirely, about the generally about 0.15mm of thickness, the thickness of entire product is able to attenuate.But, when adopting liquid optical cement to fit entirely, can produce the glue problem of overflowing all around on a large scale.
Summary of the invention
In view of this, a kind of touch liquid crystal display device that can effectively avoid excessive glue is provided.
A kind of touch liquid crystal display device; Comprise touch-screen, liquid crystal display module and frame, said frame is located between touch-screen and the liquid crystal display module, and the viewing area of the corresponding touch-screen of said frame is provided with opening; The periphery of frame forms raised line towards touch-screen; Said raised line surrounds accommodation space, accommodates substratum transparent in the said accommodation space, and said substratum transparent is fitted liquid crystal display module and touch-screen.
Prior art is compared, and touch liquid crystal display device of the present invention is provided with raised line on framework, and raised line is surrounded on around the glue-line when fitting, and plays barrier effect, effectively prevents the excessive glue of frame all around on a large scale, reduces the trouble of rubber in the processing procedure.
Description of drawings
Fig. 1 is the structural representation of touch liquid crystal display device one embodiment of the present invention.
Fig. 2 is the framework of touch liquid crystal display device of the present invention and the schematic top plan view of LCDs.
Fig. 3 is the side view of Fig. 2.
main element symbol description.
| Touch- |
10 |
| The liquid |
30 |
| |
32 |
| |
34 |
| |
50 |
| Housing | 52 |
| |
54 |
| |
540 |
| |
542 |
| |
544 |
| |
56 |
| Substratum transparent | 70 |
| |
90 |
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Please refer to Fig. 1, the present invention relates to a kind of touch liquid crystal display device, it comprises touch-screen 10, liquid crystal display module 30, framework 50 and substratum transparent 70.
In the present embodiment, said touch-screen 10 be capacitive touch screen (Capacity Touch Panel, CTP); It is to utilize the induction by current of human body to carry out work, is generally four layers of compound glass screen, and inside surface and interlayer respectively are coated with one deck nano indium tin metal oxide (ITO); Outermost layer is the silicon soil glassivation of the about 0.0015mm of thickness; Interlayer ITO coating is made workplace, and four electrodes are drawn at four angles, and internal layer ITO is that screen layer is to guarantee working environment.Be simplicity of illustration, not at the concrete structure of touch-screen 10 shown in the present invention diagram.
When the user touched touch-screen 10, because people's bulk electric field, the workplace of user's finger and touch-screen 10 formed a coupling capacitance; Because be connected to high-frequency signal on the workplace; Finger can absorb a very little electric current, and this electric current flows out the electrode from four angles of touch-screen 10 respectively, and the electric current of four electrodes of flowing through in theory and finger are proportional to four jiaos distance; Precision through to four current ratios is calculated; Draw the position, response speed fast (usually less than 3ms), degree of accuracy high (can reach 99%).
Said liquid crystal display module 30 is arranged at the back side of touch-screen 10; Be used to produce image, it generally includes liquid crystal panel 32 and module backlight 34, and said liquid crystal panel 32 is generally thin film transistor (TFT) (Thin Film Transistor; TFT) liquid crystal panel; Said module backlight 34 generally includes light source and LGP, in order to sufficient brightness and the planar light source that is evenly distributed to be provided, makes liquid crystal panel 32 show images.
Said framework 50 is located between liquid crystal display module 30 and the touch-screen 10, and in the present embodiment, said framework 50 is a chase, not only can provide support touch-screen 10, also can effectively avoid static to discharge (Electro-Static discharge, problem ESD).Said framework 50 comprise around the housing 52 of liquid crystal display module 30 and be located in liquid crystal display module 30 and the back side of touch-screen 10 between frame 54.
Please consult Fig. 2 and Fig. 3 simultaneously, said frame 54 is square, and central authorities form opening 540, the viewing area of said opening 540 corresponding liquid crystal display modules 30, thus the user can see through the image that the opening 540 of frame 54 is seen said liquid crystal display module 30.
Four sides of said frame 54 form raised line 542 towards touch-screen 10 directions protrusion respectively, and the width of raised line 542 is about 0.3mm ~ 2.0mm, highly is about 0.05mm ~ 0.5mm, and the back side of the top of raised line 542 and touch-screen 10 leans.Said raised line 542 surrounds jointly and forms accommodation space 56, and in order to hold the first liquid optical cement, the viscosity of the said first liquid optical cement is lower, is used for touch-screen 10 and liquid crystal display module 30 are fitted, and it promptly forms said substratum transparent 70 after solidifying.Adjacent raised line 542 forms diversion trench 544 in the position, every nook and cranny of corresponding frame 54; The first liquid optical cement of remnants avoided it to penetrate in the liquid crystal display module 30 when said diversion trench 544 was used for outside water conservancy diversion touch-screen 10 with 30 applyings of liquid crystal display module.
The inward flange of said frame 54, promptly the marginal point of opening 540 have the second liquid optical cement (Liquid Optical Clear Adhesive, LOCA); The said second liquid optical cement is a transparence; Viscosity is high than the first liquid optical cement, forms inward flange and liquid crystal display module 30 sealings of fluid sealant 90 with frame 54 after it solidifies, and the width of said fluid sealant 90 is generally at 0.3 ~ 1.0mm; Thickness generally is advisable with the outside surface 0.1mm that is no more than frame 54 then a little more than said frame 54.
Touch liquid crystal display device of the present invention is in the process of assembling of fitting; Earlier the inner edge and the liquid crystal display module 30 of frame 54 are sealed with the full-bodied second liquid optical cement; Coat on the liquid crystal optics module with the low viscous first liquid optical cement then; The first liquid optical cement spreads between liquid crystal display module 30 and touch-screen 10 and solidifies, and between liquid crystal display module 30 and touch-screen 10, forms said water white glue-line 70, and liquid crystal display module 30 and touch-screen 10 are fitted entirely; Not only can effectively reduce thickness of product, the scattering problem that also can avoid air layer to cause compared to the double faced adhesive tape applying.Because inward flange and liquid crystal display module 30 with 90 pairs of frames 54 of fluid sealant before fitting seal, thereby the second liquid optical cement can not infiltrate in the liquid crystal display module 30 when fitting.In addition, owing on framework 50, be provided with raised line 542, can adopt the low viscous first liquid optical cement to fit, its flowability is better relatively, thereby it stays flat speed fast and thickness is even, can effectively promote production capacity; On the other hand, raised line 542 is surrounded on around the first liquid optical cement when fitting, and plays barrier effect; With diversion trench 544 the first unnecessary liquid optical cement is derived; Thereby prevent the excessive glue of frame 54 all around on a large scale, reduce the trouble of rubber in the processing procedure, need not to drop into a some frame gluing equipment; Minimizing system is taken, and the product price competitive power is strong.
Claims (10)
1. touch liquid crystal display device; Comprise touch-screen, liquid crystal display module and frame, it is characterized in that: said frame is located between touch-screen and the liquid crystal display module, and the viewing area of the corresponding touch-screen of said frame is provided with opening; The periphery of frame forms raised line towards touch-screen; Said raised line surrounds accommodation space, accommodates substratum transparent in the said accommodation space, and said substratum transparent is fitted liquid crystal display module and touch-screen.
2. touch liquid crystal display device as claimed in claim 1 is characterized in that: said touch-screen is a capacitive touch screen.
3. touch liquid crystal display device as claimed in claim 1; It is characterized in that: said raised line is a plurality of; Form diversion trench between raised line; Said substratum transparent is that the first liquid optical cement curing forms, and said diversion trench is the first remaining liquid optical cement of outside water conservancy diversion when liquid crystal display module and touch-screen applying.
4. touch liquid crystal display device as claimed in claim 3 is characterized in that: the width of said raised line is 0.3mm ~ 2.0mm.
5. touch liquid crystal display device as claimed in claim 3 is characterized in that: the height of said raised line is 0.05mm ~ 0.5mm.
6. like any described touch liquid crystal display device in the claim 3 to 5; It is characterized in that: the inward flange of said frame has sealing compound sealed frame and liquid crystal display module; Said sealing compound is that the second liquid optical cement curing forms, and the viscosity of the viscosity ratio first liquid optical cement of the said second liquid optical cement is high.
7. touch liquid crystal display device as claimed in claim 6 is characterized in that: the width of said sealing compound is 0.3 ~ 1.0mm.
8. touch liquid crystal display device as claimed in claim 6 is characterized in that: said sealing compound exceeds frame and is no more than 0.1mm.
9. touch liquid crystal display device as claimed in claim 3 is characterized in that: said frame is square, and the corner of the corresponding frame of said diversion trench is provided with.
10. touch liquid crystal display device as claimed in claim 1 is characterized in that: said frame is a chase, said raised line and touch-screen against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102067083A CN102722287A (en) | 2012-06-21 | 2012-06-21 | Touch liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102067083A CN102722287A (en) | 2012-06-21 | 2012-06-21 | Touch liquid crystal display device |
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| Publication Number | Publication Date |
|---|---|
| CN102722287A true CN102722287A (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102067083A Pending CN102722287A (en) | 2012-06-21 | 2012-06-21 | Touch liquid crystal display device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019014823A1 (en) * | 2017-07-18 | 2019-01-24 | Hewlett-Packard Development Company, L.P. | Adhesive sealing of bonding layers in display devices |
| CN109782954A (en) * | 2019-01-21 | 2019-05-21 | 昆山维信诺科技有限公司 | Touch display unit and its applying method |
| WO2019184350A1 (en) * | 2018-03-26 | 2019-10-03 | 广州视源电子科技股份有限公司 | Touch display screen and smart interactive panel |
| CN110596920A (en) * | 2019-08-27 | 2019-12-20 | 中国第一汽车股份有限公司 | Full-lamination tool and full-lamination method for curved-surface screen and planar liquid crystal module |
| CN110738939A (en) * | 2019-10-31 | 2020-01-31 | 维沃移动通信有限公司 | Electronic device |
| CN111984154A (en) * | 2020-09-22 | 2020-11-24 | 业成科技（成都）有限公司 | Touch module and preparation method thereof |
| WO2021003909A1 (en) * | 2019-07-09 | 2021-01-14 | 深圳市华星光电半导体显示技术有限公司 | Infrared touch control display device and preparation method therefor |
| CN113093441A (en) * | 2021-03-31 | 2021-07-09 | 重庆烯宇新材料科技有限公司 | Novel liquid optical cement full-lamination box dam technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963613A (en) * | 2005-11-09 | 2007-05-16 | 建美电子股份有限公司 | Liquid crystal display |
| CN201066418Y (en) * | 2007-07-05 | 2008-05-28 | 比亚迪股份有限公司 | Combined touch screen and display |
| CN101478305A (en) * | 2009-01-08 | 2009-07-08 | 深圳市中显微电子有限公司 | Capacitance touch screen and manufacturing process thereof |
-
2012
- 2012-06-21 CN CN2012102067083A patent/CN102722287A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963613A (en) * | 2005-11-09 | 2007-05-16 | 建美电子股份有限公司 | Liquid crystal display |
| CN201066418Y (en) * | 2007-07-05 | 2008-05-28 | 比亚迪股份有限公司 | Combined touch screen and display |
| CN101478305A (en) * | 2009-01-08 | 2009-07-08 | 深圳市中显微电子有限公司 | Capacitance touch screen and manufacturing process thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019014823A1 (en) * | 2017-07-18 | 2019-01-24 | Hewlett-Packard Development Company, L.P. | Adhesive sealing of bonding layers in display devices |
| WO2019184350A1 (en) * | 2018-03-26 | 2019-10-03 | 广州视源电子科技股份有限公司 | Touch display screen and smart interactive panel |
| CN109782954A (en) * | 2019-01-21 | 2019-05-21 | 昆山维信诺科技有限公司 | Touch display unit and its applying method |
| WO2021003909A1 (en) * | 2019-07-09 | 2021-01-14 | 深圳市华星光电半导体显示技术有限公司 | Infrared touch control display device and preparation method therefor |
| CN110596920A (en) * | 2019-08-27 | 2019-12-20 | 中国第一汽车股份有限公司 | Full-lamination tool and full-lamination method for curved-surface screen and planar liquid crystal module |
| CN110738939A (en) * | 2019-10-31 | 2020-01-31 | 维沃移动通信有限公司 | Electronic device |
| CN110738939B (en) * | 2019-10-31 | 2021-10-15 | 维沃移动通信有限公司 | Electronic device |
| CN111984154A (en) * | 2020-09-22 | 2020-11-24 | 业成科技（成都）有限公司 | Touch module and preparation method thereof |
| CN113093441A (en) * | 2021-03-31 | 2021-07-09 | 重庆烯宇新材料科技有限公司 | Novel liquid optical cement full-lamination box dam technology |
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Application publication date: 20121010 |