CN201583762U - Touch liquid crystal display device - Google Patents
Touch liquid crystal display device Download PDFInfo
- Publication number
- CN201583762U CN201583762U CN2009202602823U CN200920260282U CN201583762U CN 201583762 U CN201583762 U CN 201583762U CN 2009202602823 U CN2009202602823 U CN 2009202602823U CN 200920260282 U CN200920260282 U CN 200920260282U CN 201583762 U CN201583762 U CN 201583762U
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- touch control
- lcd device
- type lcd
- layer
- control type
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Abstract
The utility model provides a touch liquid crystal display device which comprises a liquid crystal display part and a capacitive touch control part, wherein the liquid crystal display part and the capacitive touch control part form an integrally packaged structure; and the capacitive touch control part comprises a first glass substrate, a transparent sensing layer, a first optical film layer and an electromagnetic shielding layer in sequence. The touch liquid crystal display device has the advantages of small thickness, light weight and good optical effect.
Description
Technical field
The utility model relates to a kind of liquid crystal indicator, relates in particular to a kind of touch control type LCD device.
Background technology
In recent years,, have the touch control display apparatus, particularly touch control liquid crystal display device of touch screen, be applied to more and more widely in production and the life with user-friendly for operation, simplicity development.Because the user can directly contact touch control liquid crystal display device with input information with hand or other object, thereby minimizing even elimination user are to other input equipment, as the dependence of keyboard, mouse, telepilot etc., user friendly greatly operation.
Current, touch screen generally includes polytypes such as resistor-type, capacitor type, acoustic wave type and infra red type, it is generally rectangle transparent panel form, and adopt the mode of piling up to be arranged on display surface one side of liquid crystal indicator, then be connected to liquid crystal indicator and control corresponding device by flexible circuit board, realize touch display function thus.
But in the touch control type LCD device of above-mentioned stacked structure, touch screen and liquid crystal indicator need to make respectively, and then are bonded together, and its manufacturing cost is higher.Touch screen is bonded in the display surface of liquid crystal indicator usually by a bonding coat, this touch screen and bonding coat make the thickness and the weight gain of touch control type LCD device.Simultaneously, because this touch screen and bonding coat have optical effects such as absorption, refraction and reflection to light, the light transmittance of liquid crystal indicator is reduced, be easy to generate optical interference, cause display image distortion or variable color, reduce the display effect of touch control type LCD device.
The utility model content
Technical problem to be solved in the utility model is that heavier, the thicker and optical effect of existing touch control type LCD device is poor, has proposed a kind of thin thickness, in light weight, touch control type LCD device that optical effect is good.
In order to solve the problems of the technologies described above, the utility model provides a kind of touch control type LCD device, and described touch control type LCD device comprises liquid-crystal display section and capacitance touching control part.Described liquid-crystal display section and described capacitance touching control partly form the one encapsulating structure, and described capacitance touching control partly comprises first glass substrate that is cascading, transparent inductive layer, first optical thin film layer and electro-magnetic screen layer.
In the described touch control type LCD device, described capacitance touching control part further comprises first polaroid that is arranged on described first glass substrate outside, described liquid-crystal display section comprises first transparent electrode layer, liquid crystal layer, second transparent electrode layer, second glass substrate and second polaroid that is cascading, and the contiguous described capacitance touching control of described first transparent electrode layer partly is provided with.
In the described touch control type LCD device, described capacitance touching control part further comprises second optical thin film layer that adjacent described liquid-crystal display section is provided with.
In the described touch control type LCD device, described liquid-crystal display section comprises colored filter, first transparent electrode layer, liquid crystal layer, second transparent electrode layer, second glass substrate and second polaroid that is cascading, and the contiguous described capacitance touching control of described colored filter partly is provided with.
In the described touch control type LCD device, the cabling pattern of described transparent inductive layer comprises the right-angle triangle at place, both sides of the edge and the rhombus of middle section.
In the described touch control type LCD device, the cabling pattern of described transparent inductive layer comprises the right-angle triangle at place, both sides of the edge and the isosceles triangle of middle section.
In the described touch control type LCD device, the cabling pattern of described transparent inductive layer is right-angle triangle, and the hypotenuse of the adjacent right-angle triangle of every row is adjacent.
In the described touch control type LCD device, described capacitance touching control part further comprises the lead portion of the edge that is arranged on the capacitance touching control part, described lead portion comprises the conductive layer that is oppositely arranged and is clipped in insulation course between the described conductive layer, and inductive layer and described lead portion electrically connect.
Described touch control type LCD device of the present utility model forms transparent inductive layer at the first glass substrate place of capacitance touching control part, and form specific cabling pattern on inductive layer.The touch control type LCD device of present embodiment partly forms integrative-structure with liquid-crystal display section and capacitance touching control, need not use bonding coat, and it has thin thickness, in light weight, advantage that optical effect is good.
Description of drawings
Fig. 1 is the structural representation of the utility model touch control type LCD device first embodiment.
Fig. 2 is the cabling pattern synoptic diagram of the inductive layer of touch control type LCD device shown in Figure 1.
Fig. 3 is the cabling pattern synoptic diagram of the inductive layer of the utility model touch control type LCD device second embodiment.
Fig. 4 is the cabling pattern synoptic diagram of the inductive layer of the utility model touch control type LCD device the 3rd embodiment.
Fig. 5 is the structural representation of the utility model touch control type LCD device the 4th embodiment.
Embodiment
Describe below in conjunction with the structure of accompanying drawing touch control type LCD device of the present utility model.
See also Fig. 1, it is the structural representation of the utility model touch control type LCD device first embodiment.Described touch control type LCD device 1 comprises liquid-crystal display section 10 and capacitance touching control part 12, and described liquid-crystal display section 10 and described capacitance touching control part 12 form integrative-structure.
Described liquid-crystal display section 10 is mainly used in accepts outside shows signal, as signals such as image, video, literal, and described shows signal is converted to corresponding image, video or literal shows.Described liquid-crystal display section 10 comprises following polaroid 101, lower glass substrate 102, first transparent electrode layer 103, liquid crystal layer 104 and second transparent electrode layer 105 that sets gradually from top to bottom.Described first transparent electrode layer 103 and described second transparent electrode layer 105 be by tin indium oxide (indium tin oxide, ITO) material makes, it also can use indium zinc oxide, and (indium zinc oxide, IZO) material makes.
Wherein, described down polaroid 101 can be converted into polar biased light with not having a natural light of deflection polarity, make and described first transparent electrode layer 103 and described second transparent electrode layer 105 between direction of an electric field light in vertical direction pass through, allow the described liquid-crystal display section 10 can normal show image.
Described capacitance touching control part 12 is mainly used in and receives outside touch control operation, and induction is the touch position, location also, more described touch position information is passed to other device, as host computer etc.Described capacitance touching control part 12 comprises following optical thin film layer 121, electrode screening layer 122, last optical thin film layer 123, inductive layer 124, top glass substrate 125 and the last polaroid 126 that sets gradually from top to bottom.Wherein, described optical thin film layer 121 down and the described optical thin film layer 123 of going up are mainly used to strengthen optical transmission and reduce reflection of light, improve the optical quality of described touch control type LCD device 1.Described electrode screening layer 122 main effect are to avoid described liquid-crystal display section 10 at work described capacitance touching control part 12 to be produced electromagnetic interference (EMI).In addition, also be respectively arranged with lead portion 127 in the edge of capacitance touching control part 12, it is mainly used to link to each other with extraneous lead.Described lead portion 127 electrically connects with described inductive layer 124, and it comprises the conductive layer (not indicating) that is oppositely arranged and be clipped in the insulation course (not indicating) that plays insulating effect between the described conductive layer that it can adopt silver-colored slurry, metal or other conductive material to make.
Described inductive layer 124 is to be made by transparent material, and such as tin indium oxide or indium zinc oxide, it can form the cabling pattern by etching with the method for sputter or vapour deposition.As shown in Figure 2, its cabling pattern is that middle section is rhombus the right-angle triangle except locating part in both sides of the edge, and electrically connects by lead and described lead portion 127.
In the described touch control type LCD device 1 of present embodiment, form transparent inductive layer 124 on top glass substrate 125 surfaces, and on inductive layer 124, form specific cabling pattern, be electrically connected to lead portion 127 by lead-in wire, thereby can respond to and locate the touch position, again described touch position information is passed to other device, as host computer etc.The touch screen of the touch control type LCD device of prior art and liquid crystal indicator need to make respectively, and then the technology that is bonded together, cause manufacturing cost higher, and for slurry crystal device and touch screen and adopted bonding coat, cause whole optics penetrance to reduce, be easy to generate the shortcoming of optical interference, compared to prior art, the touch control type LCD device 1 of present embodiment forms integrative-structure with liquid-crystal display section 10 and capacitance touching control part 12, need not use bonding coat, so the touch control type LCD device 1 of present embodiment has thin thickness, in light weight, the advantage that optical effect is good.
Seeing also Fig. 3, is the cabling pattern synoptic diagram of the inductive layer of the utility model touch control type LCD device second embodiment.The touch control type LCD device 2 of present embodiment and the touch control type LCD device 1 of first embodiment are roughly the same, its key distinction is: the cabling pattern of the inductive layer 224 of the touch control type LCD device 2 of present embodiment is except locating part for the right-angle triangle in both sides of the edge, middle section is isosceles triangle.According to the actual design needs, described isosceles triangle can also be done further distortion, such as other suitable shapes such as equilateral triangle or isosceles right triangles.
Seeing also Fig. 4, is the cabling pattern synoptic diagram of the inductive layer 124 of the utility model touch control type LCD device the 3rd embodiment.The touch control type LCD device 3 of present embodiment and the touch control type LCD device 1 of first embodiment are roughly the same, its key distinction is: the cabling pattern of the inductive layer 324 of the touch control type LCD device 3 of present embodiment is right-angle triangle, and the hypotenuse of the adjacent right-angle triangle of every row is parallel adjacent.According to the actual design needs, described isosceles triangle can also be further designed to isosceles right triangle.
Seeing also Fig. 5, is the structural representation of the utility model touch control type LCD device the 4th embodiment.The touch control type LCD device 1 of the touch control type LCD device of present embodiment and first embodiment is roughly the same, its key distinction is: the liquid-crystal display section 40 of the touch control type LCD device 4 of present embodiment also comprises the colored filter 406 that adjacent capacitor touch-control part 42 is provided with, that is, described colored filter 406 is arranged between second transparent electrode layer 405 and the optical thin film layer 421.By described colored filter 406, described touch control type LCD device 4 can realize that the colour of pattern, literal, video etc. shows.Certainly, the inductive layer 424 cabling patterns of this enforcement can also adopt the cabling pattern of the inductive layer 324 of the cabling pattern of inductive layer 224 of second embodiment and the 3rd embodiment except the inductive layer 124 cabling patterns that adopt first embodiment.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. touch control type LCD device, it comprises liquid-crystal display section and capacitance touching control part, described liquid-crystal display section and described capacitance touching control partly form the one encapsulating structure, it is characterized in that: described capacitance touching control partly comprises first glass substrate that is cascading, transparent inductive layer, first optical thin film layer and electro-magnetic screen layer.
2. touch control type LCD device according to claim 1 is characterized in that: described capacitance touching control part further comprises first polaroid that is arranged on described first glass substrate outside.
3. touch control type LCD device according to claim 2, it is characterized in that: described liquid-crystal display section comprises first transparent electrode layer, liquid crystal layer, second transparent electrode layer, second glass substrate and second polaroid that is cascading, and the contiguous described capacitance touching control of described first transparent electrode layer partly is provided with.
4. touch control type LCD device according to claim 1 is characterized in that: described capacitance touching control part further comprises second optical thin film layer that adjacent described liquid-crystal display section is provided with.
5. touch control type LCD device according to claim 2, it is characterized in that: described liquid-crystal display section comprises colored filter, first transparent electrode layer, liquid crystal layer, second transparent electrode layer, second glass substrate and second polaroid that sets gradually, and the contiguous described capacitance touching control of described colored filter partly is provided with.
6. touch control type LCD device according to claim 1 is characterized in that: the cabling pattern of described transparent inductive layer comprises the right-angle triangle at place, both sides of the edge and the rhombus of middle section.
7. touch control type LCD device according to claim 1 is characterized in that: the cabling pattern of described transparent inductive layer comprises the right-angle triangle at place, both sides of the edge and the isosceles triangle of middle section.
8. touch control type LCD device according to claim 1 is characterized in that: the cabling pattern of described transparent inductive layer is right-angle triangle, and the hypotenuse of the adjacent right-angle triangle of every row is adjacent.
9. touch control type LCD device according to claim 1, it is characterized in that: described capacitance touching control part further comprises the lead portion of the edge that is arranged on the capacitance touching control part, and described lead portion comprises the conductive layer that is oppositely arranged and is clipped in insulation course between the described conductive layer.
10. touch control type LCD device according to claim 9 is characterized in that: described inductive layer and described lead portion electrically connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202602823U CN201583762U (en) | 2009-11-12 | 2009-11-12 | Touch liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202602823U CN201583762U (en) | 2009-11-12 | 2009-11-12 | Touch liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583762U true CN201583762U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202602823U Expired - Lifetime CN201583762U (en) | 2009-11-12 | 2009-11-12 | Touch liquid crystal display device |
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| Country | Link |
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| CN (1) | CN201583762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213850A (en) * | 2010-04-01 | 2011-10-12 | 冠华科技股份有限公司 | Integrated touch panel |
-
2009
- 2009-11-12 CN CN2009202602823U patent/CN201583762U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213850A (en) * | 2010-04-01 | 2011-10-12 | 冠华科技股份有限公司 | Integrated touch panel |
| CN102213850B (en) * | 2010-04-01 | 2013-06-26 | 冠华科技股份有限公司 | Integrated touch panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100915 |