CN202331403U - Liquid crystal induction screen - Google Patents
Liquid crystal induction screen Download PDFInfo
- Publication number
- CN202331403U CN202331403U CN2011204159235U CN201120415923U CN202331403U CN 202331403 U CN202331403 U CN 202331403U CN 2011204159235 U CN2011204159235 U CN 2011204159235U CN 201120415923 U CN201120415923 U CN 201120415923U CN 202331403 U CN202331403 U CN 202331403U
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- CN
- China
- Prior art keywords
- liquid crystal
- indium oxide
- induction screen
- glass plate
- tin film
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Abstract
The utility model relates to a liquid crystal induction screen. The liquid crystal induction screen comprises a first glass plate, a second glass plate, a hollow plastic cement frame, a first alignment film, a second alignment film, a liquid crystal, a first polaroid, a second polaroid, a conducting layer, a control circuit and a microprocessor, wherein one surface of the first glass plate is plated with a first indium tin oxide film; one surface of the second glass plate opposite to the first glass plate is plated with a second indium tin oxide film; the liquid crystal is arranged in an airtight space formed by the plastic cement frame, the first alignment film and the second alignment film; the conducting layer is arranged in the wall of the plastic cement frame and is connected with the first indium tin oxide film and the second indium tin oxide film; the control circuit is arranged at least one of the first indium tin oxide film and the second indium tin oxide film; and the first indium tin oxide film or the second indium tin oxide film is connected with the microprocessor. The liquid crystal induction screen provided by the utility model stably realizes the touch control or separate space induction control function and has the advantages of simple structure, simple production process, low manufacturing cost, high transmittance, strong working stability and the like.
Description
Technical field
The utility model relates to a kind of location input equipment, more particularly, relates to a kind of liquid crystal induction screen.
Background technology
Along with growing with each passing day of multimedia information inquiry, induction screen because of its have sturdy and durable, reaction velocity fast, save the space, be easy to numerous advantages such as interchange, entered into people's life more and more.The user needs only with pointing touching lightly or the icon on sky induction display screen or literal and just can realize host service function, thereby makes man-machine interaction more simple and direct.
Induction is shielded for touch-type, comes branch can be divided into five types according to know-why: the induction of vector pressure sensing technology touch-type is shielded, the induction of resistive technologies touch-type is shielded, the capacitance technology touch-type is responded to screen, the infrared technology touch-type is responded to screen, the technological touch-type of ultrasonic surface is responded to screen.
Liquid crystal induction screen is one type of induction screen that LCD combines with capacitance technology touch-type induction screen, and its design rationality and ultrasonic surface technology touch-type that has merged accurate positioning, capacitance technology touch-type induction screen of resistive technologies touch-type induction screen is responded to the advantage such as clear and not fragile of shielding.Liquid crystal induction screen adopts monoblock type to install.
Traditional liquid crystal induction screen comprises at least two glass plates; Two glass plates wherein are oppositely arranged; And be coated with ITO (tin indium oxide) on the face respectively being oppositely arranged of two glass plates; On two-layer ITO, also be coated with respectively and be brushed with first show electrode and second show electrode, on first show electrode and second show electrode, print first alignment film and second alignment film then respectively.Between two glass plates, also be provided with the plastic cement frame, form the vessel space of a sealing between plastic cement frame, first alignment film, second alignment film, liquid crystal is placed in the space of this sealing.Through in the plastic cement frame, being provided with, come conducting first show electrode and second show electrode with conductiving point.For the liquid crystal induction screen that has only two glass plates, for the stability that guarantees to respond to, also add plating one deck ITO on the glass plate therein, promptly there is one to be the glass of the two-sided ITO of being coated with in two glass plates, another piece is the glass that single face is coated with ITO.The stability of so-called induction, after the induction screen installed exactly, the user saw pattern or the menu that the induction screen shows through the insulating glass that is arranged on the induction screen; Through touching insulating glass or responding at a distance from empty; Choose pattern or menu to realize and respond to the main frame that is connected of screen when mutual, " false touch " (original what select was first pattern, induction shield but responded to other pattern) can or can not be taken place; Then poor stability takes place, otherwise good stability.Perhaps, two glass plates that are oppositely arranged wherein the glass that polylith is coated with ITO is set again on one, to reach good stable property.
But,, all can cause the defective that the induction screen is too thick and heavy, penetrability is low and production cost increases through adding the glass that plating ITO or increase are coated with ITO.Need provide a kind of simple in structure, penetrability is high, good stability, production procedure is simple and cost is low liquid crystal induction screen.
The utility model content
The utility model is to the above-mentioned defective of available liquid crystal induction screen, provide a kind of simple in structure, penetrability is high, good stability, production procedure is simple and cost is low liquid crystal induction screen.
The utility model solves the technical scheme that its technical matters adopted: a kind of liquid crystal induction screen is provided; Comprise that one side is coated with first glass plate of first indium oxide tin film; Be coated with second glass plate of second indium oxide tin film with the first glass plate face of being oppositely arranged; Be arranged on the hollow plastic cement frame between first glass plate and second glass plate; Be separately positioned on first indium oxide tin film and first alignment film on second indium oxide tin film and second alignment film in the plastic cement frame; Be arranged on the liquid crystal in the confined space that plastic cement frame, first alignment film and second alignment film constitute, and be arranged at first glass plate and second glass plate not first polaroid and second polaroid of plated film one side respectively; Liquid crystal induction screen also comprises the conductive layer that is arranged in the plastic cement frame wall, connects first indium oxide tin film and second indium oxide tin film; In first indium oxide tin film and second indium oxide tin film at least one is provided with control circuit; First indium oxide tin film or second indium oxide tin film connect microprocessor.
The liquid crystal induction screen of the utility model, control circuit comprises touch controlled key.
The liquid crystal induction screen of the utility model is for touch control type LCD induction screen or at a distance from empty liquid crystal induction screen.
Preferably, the control circuit photoetching is on first indium oxide tin film and/or second indium oxide tin film.
The liquid crystal induction screen of the utility model has following beneficial effect: according to the needs of practical application; On first glass plate and/or second glass plate, control circuit is set; And first glass plate or second glass plate be connected with microprocessor, make that the cabling of each touch controlled key is simplified on the control circuit board; And the liquid crystal of the utility model induction screen has only stably been realized the mutual of people and main frame with two glass plates that are coated with single face ITO, make the liquid crystal of the utility model respond to shield simple in structure, penetrability is high, good stability, production procedure is simple and production cost is low.
Description of drawings
Fig. 1 is the structural representation of the utility model liquid crystal induction screen first embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the liquid crystal induction screen of the utility model is done further and to be explained.
Fig. 1 is the structural representation of the utility model liquid crystal induction screen first embodiment; As shown in Figure 1; In first embodiment; The liquid crystal induction screen of the utility model comprises that one side is coated with first glass plate 101 of first indium oxide tin film 103; Be coated with second glass plate 102 of second indium oxide tin film 104 with first glass plate, 101 faces of being oppositely arranged; Be arranged on the hollow plastic cement frame 105 between first glass plate 101 and second glass plate 102; Be separately positioned on first indium oxide tin film 103 and first alignment film 106 on second indium oxide tin film 104 and second alignment film 107 in the plastic cement frame 105, be arranged on the liquid crystal 108 in the confined space of plastic cement frame 105, first alignment film 106 and second alignment film, 107 formations, and be arranged at not plated film first polaroid 109 and second polaroid 110 simultaneously of first glass plate 101 and second glass plate 102 respectively; Liquid crystal induction screen also comprises the conductive layer 111 that is arranged in plastic cement frame 105 walls, connects first indium oxide tin film 103 and second indium oxide tin film 104.Wherein the main effect of the first orientation mould 106 and second alignment film 107 is that liquid crystal molecule is arranged by specific direction.
In the present embodiment, first indium oxide tin film 103 and second indium oxide tin film, 104 glazings are carved with control circuit, and control circuit comprises touch controlled key.As shown in Figure 1, first glass plate, 101 to the second glass plates 102 are long, and first indium oxide tin film 103 of first glass plate, 101 1 ends is provided with interface, and the control circuit on first indium oxide tin film 103 is connected with microprocessor through this interface.Control circuit on second indium oxide tin film 104 is connected with control circuit on first indium oxide tin film 103 through the conductive layer 111 that is arranged in the plastic cement frame 105.
In the present embodiment, liquid crystal induction screen is touch control type LCD induction screen.After installing, first polaroid, 109 tops are provided with insulating glass, make not to be scratched the extraneous directly contact of liquid crystal induction screen discord of the utility model, and environment-adapting ability is strong.In use, the microprocessor of main frame control liquid crystal induction screen shows the pattern or the menu of control circuit touch controlled key on first indium oxide tin film 103 and second indium oxide tin film 104 on corresponding position.The user is according to the prompting of the pattern or the menu of touch controlled key; With finger touch by on the insulating glass with the pattern or the corresponding position of menu of touch controlled key; Owing to touch by having caused the electrostatic field variation; And then initiation communication changes; Microprocessor resolve by touch by pattern or menu measure actual touching by point, promptly measure actual by touch by touch controlled key, microprocessor correspondingly drives various coupling arrangements or starts various functional modules according to the program of programming in advance and serves accordingly to provide with user's selection then; And provide corresponding static view data, dynamic image data to carry out perception to the user by liquid crystal induction screen, can also corresponding audio data service be provided control loudspeaker.Thereby realized man-machine interaction.
In second embodiment of the utility model, liquid crystal induction screen is for responding to screen at a distance from empty induction type liquid crystal, and the structure of liquid crystal induction screen is referring to Fig. 1.All the other situation are identical with first embodiment, repeat no more at this.So-called be meant that at a distance from empty induction type liquid crystal induction screen the insulating glass that need not touch by being arranged on the liquid crystal induction screen selects liquid crystal induction screen to go up the pattern or the menu of the touch controlled key that shows; But, rest on the pattern of the touch controlled key that shows with liquid crystal induction screen on the insulating glass or the top certain hour of menu relevant position with for example finger.Pass through to measure finger position to confirm actual selected element with liquid crystal induction screen microprocessor linked; Promptly measure actual by touch by touch controlled key; And correspondingly drive various coupling arrangements or start various functional modules according to the program of programming in advance; Provide corresponding static view data, dynamic image data to carry out perception by liquid crystal induction screen to the user, can also corresponding audio data service be provided control loudspeaker.Thereby realized man-machine interaction.
In the present embodiment; How to realize that at a distance from empty induction touch controlled key be not the emphasis of the utility model; The content that those skilled in the art introduce according to the utility model combines the correlation technique principle at a distance from empty induction again, can realize the separated empty induction type liquid crystal induction screen of the utility model.
In the 3rd embodiment of the utility model liquid crystal induction screen, only on first indium oxide tin film 103, be provided with control circuit, all the other situation are identical with first or second embodiment, repeat no more at this.
In the 4th embodiment of the utility model liquid crystal induction screen, just be provided with control circuit on second indium oxide tin film 104, all the other situation are identical with first or second embodiment, repeat no more at this.
The liquid crystal induction screen of the utility model is provided with control circuit on first indium oxide tin film 103 and/or second indium oxide tin film 104, select according to the needs of practical application.
In other embodiment of the utility model liquid crystal induction screen, control circuit can adopt other mode to be carved on first indium oxide tin film 103 and/or second indium oxide tin film 104 for example silk-screen or photoetch.
The liquid crystal induction screen of the utility model adopts two single faces to be coated with the glass plate of tin indium oxide, has stably realized touch-control or at a distance from empty induction control function, has compared the design that traditional liquid crystal induction screen adopts multilayer indium oxide tin film and/or polylith glass plate; Have the following advantages: simple in structure and thin thickness; The glass plate and the indium oxide tin film number of plies are few, and production procedure is simple, low cost of manufacture, and penetrability is high; Job stability is strong, long service life, can adapt to multiple environment.
In concrete implementation process, can carry out suitable improvement, to adapt to the specific requirement of concrete condition to liquid crystal induction screen according to the utility model.Therefore be appreciated that the embodiment according to the utility model just plays exemplary role, and be different from the protection domain that limits the utility model.
Claims (5)
1. a liquid crystal induction is shielded; It is characterized in that; Said liquid crystal induction screen comprises that one side is coated with first glass plate (101) of first indium oxide tin film (103); Be coated with second glass plate (102) of second indium oxide tin film (104) with said first glass plate (101) face of being oppositely arranged; Be arranged on the hollow plastic cement frame (105) between said first glass plate (101) and said second glass plate (102); Be separately positioned on first indium oxide tin film (103) and first alignment film (106) on second indium oxide tin film (104) and second alignment film (107) in the said plastic cement frame (105); Be arranged on the liquid crystal (108) in the confined space that said plastic cement frame (105), first alignment film (106) and second alignment film (107) constitute, and be arranged at not plated film first polaroid (109) and second polaroid (110) simultaneously of first glass plate (101) and second glass plate (102) respectively; Said liquid crystal induction screen also comprises the conductive layer (111) that is arranged in said plastic cement frame (105) wall, connects said first indium oxide tin film (103) and second indium oxide tin film (104); In said first indium oxide tin film (103) and second indium oxide tin film (104) at least one is provided with control circuit; Said first indium oxide tin film (103) or second indium oxide tin film (104) connect microprocessor.
2. liquid crystal induction screen according to claim 1 is characterized in that said control circuit comprises touch controlled key.
3. liquid crystal induction screen according to claim 2 is characterized in that, said liquid crystal induction screen is touch control type LCD induction screen.
4. liquid crystal induction screen according to claim 2 is characterized in that, said liquid crystal induction screen is at a distance from empty induction type liquid crystal induction screen.
5. according to each described liquid crystal induction screen among the claim 1-4, it is characterized in that said control circuit photoetching is on said first indium oxide tin film (103) and/or second indium oxide tin film (104).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204159235U CN202331403U (en) | 2011-10-27 | 2011-10-27 | Liquid crystal induction screen |
| HK11112690A HK1152619A2 (en) | 2011-10-27 | 2011-11-23 | Lcd touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204159235U CN202331403U (en) | 2011-10-27 | 2011-10-27 | Liquid crystal induction screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202331403U true CN202331403U (en) | 2012-07-11 |
Family
ID=46443376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204159235U Expired - Lifetime CN202331403U (en) | 2011-10-27 | 2011-10-27 | Liquid crystal induction screen |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202331403U (en) |
| HK (1) | HK1152619A2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062828A (en) * | 2013-03-18 | 2014-09-24 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN106505089A (en) * | 2016-10-31 | 2017-03-15 | 上海天马微电子有限公司 | Display device |
| CN109752889A (en) * | 2019-03-26 | 2019-05-14 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
-
2011
- 2011-10-27 CN CN2011204159235U patent/CN202331403U/en not_active Expired - Lifetime
- 2011-11-23 HK HK11112690A patent/HK1152619A2/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062828A (en) * | 2013-03-18 | 2014-09-24 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN104062828B (en) * | 2013-03-18 | 2018-08-31 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN106505089A (en) * | 2016-10-31 | 2017-03-15 | 上海天马微电子有限公司 | Display device |
| CN106505089B (en) * | 2016-10-31 | 2019-11-05 | 上海天马微电子有限公司 | Display device |
| CN109752889A (en) * | 2019-03-26 | 2019-05-14 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1152619A2 (en) | 2012-03-02 |
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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: 20120711 |