CN203519967U - Liquid crystal display with built-in touch circuit - Google Patents
Liquid crystal display with built-in touch circuit Download PDFInfo
- Publication number
- CN203519967U CN203519967U CN201320678145.8U CN201320678145U CN203519967U CN 203519967 U CN203519967 U CN 203519967U CN 201320678145 U CN201320678145 U CN 201320678145U CN 203519967 U CN203519967 U CN 203519967U
- Authority
- CN
- China
- Prior art keywords
- glass sheet
- liquid crystal
- touch
- control circuit
- circuit layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 36
- 239000011521 glass Substances 0.000 claims abstract description 64
- 230000003666 anti-fingerprint Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 208000012868 Overgrowth Diseases 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Abstract
The utility model discloses a liquid crystal display with a built-in touch circuit. The liquid crystal display comprises a plane-polarized sheet, a plane glass sheet, a liquid crystal layer, a bottom glass sheet and a bottom-polarized sheet. Each of the lower surface of the plane glass sheet and the upper surface of the bottom glass sheet is provided with a display circuit layer, and the display circuit layers are conducted through a conducting point. The display circuit layer of the bottom glass sheet and one side of the bottom glass sheet extend outwards to form a first connecting end which is used for being connected with a liquid crystal driving IC (integrated circuit). The upper surface of the plane glass sheet is provided with a transparent touch circuit layer, and the touch circuit layer of the upper surface of the plane glass sheet and one side of the plane glass sheet extend outwards to form a second connecting end which is used for being connected with a touch control IC (integrated circuit). The touch control circuit is arranged on the plane glass sheet of the liquid crystal display, so that touch sense degree is high, and the problems of bubbles and impurities caused by fitting of the single liquid crystal display and a touch panel are solved; besides, the product is lighter and thinner, the process is simpler, and cost performance is higher.
Description
Technical field
The utility model relates to novel LCD Technology field, is specifically related to a kind of liquid crystal display device structure of embedded touch control circuit.
Background technology
Traditional liquid crystal display with touch-control circuit, is combined after echoing by two device physicses of liquid crystal display (LCD) and touch-screen (Touch panel) completely independently.As shown in Figure 2, touch-screen (Touch panel) is positioned at the place ahead of liquid crystal display (LCD), traditional liquid crystal display with touch-control circuit is combined by the mode of laminating with LCDs by touch-screen (Touch panel) individually, the subject matter that this structure exists is: (1) liquid crystal display (LCD) and touch-screen (Touch panel) are comprised of two independent devices, manufacturing cost is high, sexual valence ratio; (2) thickness is bigger than normal, cannot meet the pursuit of consumer to liquid crystal display ultra-thin; (3) Film material is because form by low temperature sputter, therefore transmitance is lower; (4) bubble and the impurity problem that when touch-screen (Touch panel) is with liquid crystal display (LCD) laminating, produce are yield and the king-sized bottlenecks of quality in processing procedure.
State Intellectual Property Office discloses " a kind of LCDs of embedded touch control circuit " on 04 09th, 2008, number of patent application is 200710031488.4, it comprises upper glass plate and lower-glass sheet, upper glass plate lower surface and lower-glass sheet upper surface are coated with tin indium oxide circuit, tin indium oxide circuit comprises display circuit and touch-control circuit, display circuit is etched in upper glass plate lower surface and lower-glass sheet upper surface, and tin indium oxide touch-control circuit is etched under upper glass plate and lower-glass sheet upper surface.The technical matters that this structure exists is: (1) touch-control circuit utilizes the space of display circuit to arrange, makes the arrangement space of touch-control circuit greatly limited; (2) touch-control circuit and display circuit are in same aspect, and the circuit design of enforcement is subject to the limitation impact of poor short circuit or wiring surplus.
Utility model content
The purpose of this utility model is to provide a kind of low cost of more easily design application, the Novel LCD that light and thin type band touch-control circuit combines with display circuit.
For this reason, the technical scheme that the utility model adopts is: the Novel LCD that a kind of touch-control circuit is combined with display circuit, comprise the face polaroid (1) of arranging successively from top to bottom, surface glass sheet (2), liquid crystal layer (3), end glass sheet (4) and end polaroid (5), the lower surface of described surface glass sheet (2), the upper surface of end glass sheet (4) is respectively arranged with display circuit layer (6), and by firing point (9) conducting, display circuit layer (6) on glass sheet of the described end (4) and a wherein epitaxial lateral overgrowth of end glass sheet (4) are stretched and are formed the first link (A), for being connected with liquid crystal drive IC, key is: the upper surface of described surface glass sheet (2) is provided with transparent touch-control circuit layer (7), the touch-control circuit layer (7) of described surface glass sheet (2) upper surface and a wherein epitaxial lateral overgrowth of surface glass sheet (2) are stretched and are formed the second link (B), for controlling IC with touch-control, be connected.
Between described the first link (A) and liquid crystal drive IC, the second link (B) controls IC with touch-control and is connected, its connected mode is PIN pin (8) or flexible circuit or conductive adhesive tape or TAB or COG or COF.IC by the first link controls driving liquid crystal panel to show, responds to calculate position of touch signal data, and with the position signalling data of calculating, corresponding liquid crystal panel displaying contents is carried out to command operating control by the IC control of the second link.
The display circuit layer (6) of described surface glass sheet (2) lower surface, the display circuit layer (6) on end glass sheet (4) and the touch-control circuit layer (7) on surface glass sheet (2) all form needed electrode and figure by gold-tinted etching or laser-induced thermal etching on transparent electro-conductive glass or conductive film.
Described polaroid (1) made by the polaroid material of anti-fingerprint.Surface glass sheet has protected the touch-control circuit of surface glass sheet by scratch by attaching face polaroid effectively; client can select face polaroid the polaroid material of anti-fingerprint to make as required; polaroid material has been done the processing of anti-fingerprint, and user's fingerprint is protected.
The beneficial effects of the utility model: touch-control circuit is integrated on the surface glass sheet of liquid crystal display, make the upper and lower surface of surface glass sheet all be provided with transparent circuitry, compare the traditional structure by completely independently liquid crystal display (LCD) and touch-screen (Touch panel) physics combines after echoing, manufacturing cost is lower, product is more frivolous, favored by consumer, market outlook are more wide; Compare number of patent application and be the LCDs of a kind of embedded touch control circuit of 200710031488.4, arrange that the space of transparent touch circuit is larger, safety and reliability, touch-control sensing degree reliability is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the decomposing schematic representation of the traditional liquid crystal display with touch-control circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
The liquid crystal display of a kind of embedded touch control circuit as shown in Figure 1, is mainly comprised of the face polaroid 1 of arranging successively from top to bottom, surface glass sheet 2, liquid crystal layer 3, end glass sheet 4 and end polaroid 5.The upper surface of the lower surface of surface glass sheet 2, end glass sheet 4 is respectively arranged with display circuit layer 6, and by firing point 9 conductings.A wherein epitaxial lateral overgrowth of the display circuit layer 6 on end glass sheet 4 and end glass sheet 4 is stretched and is formed the first link A, and for being connected with liquid crystal drive IC, the above is consistent with the structure of conventional liquid crystal, does not repeat them here.
Difference is: the upper surface of surface glass sheet 2 is provided with transparent touch-control circuit layer 7, and a wherein epitaxial lateral overgrowth of the touch-control circuit layer 7 of surface glass sheet 2 upper surfaces and surface glass sheet 2 is stretched and formed the second link B, for controlling IC with touch-control, is connected.
Preferably, between the first link A and liquid crystal drive IC, the second link B controls between IC and be connected with touch-control, the connected mode of its driving can be PIN pin 8, can be also flexible circuit, conductive adhesive tape, TAB, COG or COF etc.
Display circuit layer 6 on surface glass sheet 2, the display circuit layer 6 on end glass sheet 4 and the touch-control circuit layer 7 on surface glass sheet 2 all form needed electrode and figure by gold-tinted etching or laser-induced thermal etching on transparent conductive film, for high-end especially requirement, we make cure process by opposite glass sheet 2.Display circuit layer 6 and touch-control circuit layer 7 are transparent circuitry layer, and the production method on electro-conductive glass sheet is identical.
Claims (4)
1. the liquid crystal display of an embedded touch control circuit, comprise the face polaroid (1) of arranging successively from top to bottom, surface glass sheet (2), liquid crystal layer (3), end glass sheet (4) and end polaroid (5), the lower surface of described surface glass sheet (2), the upper surface of end glass sheet (4) is respectively arranged with display circuit layer (6), and by firing point (9) conducting, display circuit layer (6) on glass sheet of the described end (4) and a wherein epitaxial lateral overgrowth of end glass sheet (4) are stretched and are formed the first link (A), for being connected with liquid crystal drive IC, it is characterized in that: the upper surface of described surface glass sheet (2) is provided with transparent touch-control circuit layer (7), the touch-control circuit layer (7) of described surface glass sheet (2) upper surface and a wherein epitaxial lateral overgrowth of surface glass sheet (2) are stretched and are formed the second link (B), for controlling IC with touch-control, be connected.
2. according to the liquid crystal display of embedded touch control circuit claimed in claim 1, it is characterized in that: between described the first link (A) and liquid crystal drive IC, the second link (B) controls IC with touch-control and be connected, its connected mode is PIN pin (8) or flexible circuit or conductive adhesive tape or TAB or COG or COF.
3. according to the liquid crystal display of the embedded touch control circuit described in claim 1 or 2, it is characterized in that: the display circuit layer (6) on described surface glass sheet (2), the display circuit layer (6) on end glass sheet (4) and the touch-control circuit layer (7) on surface glass sheet (2) all form needed electrode and figure by gold-tinted etching or laser-induced thermal etching on transparent electro-conductive glass or conductive film.
4. according to the liquid crystal display of the embedded touch control circuit described in claim 1 or 2, it is characterized in that: described polaroid (1) made by the polaroid material that attaches anti-fingerprint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678145.8U CN203519967U (en) | 2013-10-30 | 2013-10-30 | Liquid crystal display with built-in touch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320678145.8U CN203519967U (en) | 2013-10-30 | 2013-10-30 | Liquid crystal display with built-in touch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203519967U true CN203519967U (en) | 2014-04-02 |
Family
ID=50378871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320678145.8U Expired - Lifetime CN203519967U (en) | 2013-10-30 | 2013-10-30 | Liquid crystal display with built-in touch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203519967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529583A (en) * | 2013-10-30 | 2014-01-22 | 重庆捷尔士显示技术有限公司 | Liquid crystal display with built-in touch control circuit |
| CN104391606A (en) * | 2014-12-11 | 2015-03-04 | 东莞通华液晶有限公司 | Touch sensing structure embedded into liquid crystal area and control method of touch sensing structure |
-
2013
- 2013-10-30 CN CN201320678145.8U patent/CN203519967U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529583A (en) * | 2013-10-30 | 2014-01-22 | 重庆捷尔士显示技术有限公司 | Liquid crystal display with built-in touch control circuit |
| CN104391606A (en) * | 2014-12-11 | 2015-03-04 | 东莞通华液晶有限公司 | Touch sensing structure embedded into liquid crystal area and control method of touch sensing structure |
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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: 20140402 |