CN105372861A - Touch and liquid crystal display integration module - Google Patents
Touch and liquid crystal display integration module Download PDFInfo
- Publication number
- CN105372861A CN105372861A CN201510829860.0A CN201510829860A CN105372861A CN 105372861 A CN105372861 A CN 105372861A CN 201510829860 A CN201510829860 A CN 201510829860A CN 105372861 A CN105372861 A CN 105372861A
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- CN
- China
- Prior art keywords
- liquid crystal
- conductive layer
- ito conductive
- crystal display
- layer
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The invention discloses a touch and liquid crystal display integration module comprising a top polarizer, a top ITO conductive layer, top glass, a touch liquid crystal group, a bottom ITO conductive layer, bottom glass, and a bottom polarizer. The touch liquid crystal group includes a second ITO conductive layer, an insulating layer, a third ITO conductive layer and a liquid crystal layer, wherein the insulating layer is arranged between the second ITO conductive layer and the third ITO conductive layer, and the liquid crystal layer is arranged on the lower end of the third ITO conductive layer. The liquid crystal layer includes an upper alignment film, a lower alignment film and liquid crystal molecules. The top ITO conductive layer and the second ITO conductive layer form a touch function control part. The third ITO conductive layer is a liquid crystal display control part, and the control part contains a signal electrode for controlling liquid crystal display. The bottom ITO conductive layer is provided with a scanning electrode lead for liquid crystal display. The signal electrode and the scanning electrode for liquid crystal display constitute a control electrode of the liquid crystal layer. The display integration module of the invention is touch-sensitive and has a simple structure. The production process is simplified, and the production cost is reduced.
Description
Technical field
The present invention relates to field of liquid crystal display, be specifically related to a kind of touch and liquid crystal display integration module.
Background technology
Touch-screen, as up-to-date human-computer interaction technology, is a kind of transparent input system.As long as user touches word or the pattern of display screen lightly with finger or electronic pen, just realization can operate the undue dependence broken away from mouse and keyboard, make man-machine interaction more simple and direct.And existing touch-screen comprises two kinds of touch screens and capacitance plate, but to needing day with optimizing product performance, touch screens can not satisfy the demands, selects capacitance plate to become inexorable trend.
Capacitance type touch control screen utilizes the electric current of human body to respond to carry out work.Capacitance type touch control screen is one piece of four layers of compound glass screen normally, when the finger touch of user is on capacitance type touch control screen, due to human body electric field, user and capacitance touching control screen surfaces are formed with a coupling capacitance (for high-frequency current, electric capacity can be considered as conductor), siphon away a very little electric current so point from the touch point of capacitance touching control screen surfaces, this electric current divides and flows out from the electrode the corner of capacitance type touch control screen.The electric current flowing through these four electrodes is directly proportional to the distance of finger to corner, and controller, by the accurate Calculation to these four current ratios, draws the position of touch point.
What the liquid crystal display of existing most of electronic products and touch adopted is touch panel is arranged on the method that liquid crystal panel uses, above display screen, namely add one for responding to the Sensor of user's touch location, when Sensor, display screen still can normally show, and just can not respond to the touch instruction of user.Due to the how Sensor of side on a display screen.Touch display screen like this is relative to non-tactile display screen, thickness can be thicker, production procedure relative complex and there is air layer between touch panel and liquid crystal panel, the thickness of touch panel and performance can not meet the demand to " ultra-thin " product and production technology and cost optimization, by research integrated with liquid crystal panel for touch panel function then increasing prevalence.The integration of touch panel and liquid crystal panel comprises " In-cell " method and " On-cell " method and OGS process.The generating process of existing touch-screen and application are because of the requirement of Product Process and yield, corresponding utilization is had difficulty in taking a step or answers technique and the processing requirements of its complexity, and the threshold of the manufacturing do not made is very high, for general touch-screen and display screen manufacturer, the technical barrier overcome is huge, can not meet its development and actual benefit thereof.And, the touching liquid-crystal display screen of accurate for height, high pixel, adopt existing popular TFT technology to carry out designing, along with screen sizes increase time, too huge because of its pel array, the chip processing capabilities of its demand be that multiple increases, it implants number of touch controller also increases, and the quality of what this brought is touching liquid-crystal display screen can not be guaranteed, and production cost and technical difficulty increase, producer or the businessman of production are limited, are unfavorable for the development in market.
Summary of the invention
Technical matters to be solved by this invention provides a kind of for defect of the prior art to touch and liquid crystal display integration module, this integrated module, and touch-sensitive, structure is simple, simplifies production procedure and saves production cost.
The technical scheme of technical solution problem of the present invention is as follows: a kind of touch and liquid crystal display integration module, comprise the top layer polaroid, top layer ITO conductive layer, top layer glass, touch LCD group, bottom ITO conductive layer, bottom glass and the bottom polaroid that from up to down set gradually; Wherein, described touch LCD group comprises the 2nd ITO conductive layer, insulation course, the 3rd ITO conductive layer and liquid crystal layer, arranges described insulation course between described 2nd ITO conductive layer and the 3rd ITO conductive layer, and described 3rd ITO conductive layer lower end arranges described liquid crystal layer; Described liquid crystal layer comprises alignment film and lower alignment film, and filling liquid crystal molecule between described upper alignment film and lower alignment film; Described top layer ITO conductive layer and the 2nd ITO conductive layer form the control part of touch function, and are furnished with the touch control electrode matched in described top layer ITO conductive layer and the 2nd territory, ITO conductive layer main plot; Described 3rd ITO conductive layer is the control part of liquid crystal display; described liquid crystal display signal control part comprises the signal electrode (Segment electrode) controlling liquid crystal display; and be covered with whole 3rd ITO conductive layer area; described bottom ITO conductive layer is established the scan electrode (Common electrode) of liquid crystal display go between, the signal electrode of described liquid crystal display and scan electrode form the control electrode of described liquid crystal layer; The control electrode of described touch control electrode and described liquid crystal layer is electrically connected with corresponding control IC by ITO conducting medium lead-in wire, controls display and touches.
Further elaboration as to technique scheme:
In technique scheme, also comprise one deck reflection-proof coating, this reflection-proof coating is arranged on described top layer ITO conductive layer.
In technique scheme, described top layer glass and bottom thickness of glass are 0.4mm ~ 0.45mm.
In technique scheme, described ITO conducting medium wire widths is 0.05mm ~ 0.1mm.
In technique scheme, described top layer polaroid and bottom polaroid are PVA polaroid or TAC polaroid or PET polaroid.
The invention has the beneficial effects as follows: by being implanted into corresponding touch sensor (ITOSensor) in liquid crystal display area, omit the glass of one deck for touching, but again there is touch function when this touch and liquid crystal display integration module can be made to have Presentation Function, and there is following effect:
1. the deleting of touch-screen, without the need to designing touch-screen separately, reduces design cost;
2. the deleting of touch-screen, without the need to touch-screen of fitting on liquid crystal panel, the plate thickness making requirement have touch and liquid crystal display reduces, reduce repeatedly to fit and the touch that causes and liquid crystal display bond insecure, touch the easy generation producing foreign matter between liquid crystal display, optimizing product performance;
3. the deleting of touch-screen, simplifies the technological process of production, saves the cost of production, assembling.
Accompanying drawing explanation
Fig. 1 is layer of structure distribution plan of the present invention.
In figure, 1. top layer polaroid, 2. top layer ITO conductive layer, 3. top layer glass, 4. the 2nd ITO conductive layer, 5. insulation course, 6. the 3rd ITO conductive layer, 7. go up alignment film, 8. descend alignment film, 9. bottom ITO conductive layer, 10. bottom glass, 11. bottom polaroids, A. represents touch part, and B. represents liquid-crystal display section.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As Fig. 1 shows specific embodiment of the present invention; a kind of touch and liquid crystal display integration module, comprise the top layer polaroid 1, top layer ITO conductive layer 2, top layer glass 3, touch LCD group, bottom ITO conductive layer 9, bottom glass 10 and the bottom polaroid 11 that from up to down set gradually; Wherein, described touch LCD group comprises the 2nd ITO conductive layer 4, insulation course 5, the 3rd ITO conductive layer 6 and liquid crystal layer; arrange described insulation course 5 between described 2nd ITO conductive layer 4 and the 3rd ITO conductive layer 6, described 3rd ITO conductive layer 6 lower end arranges described liquid crystal layer; Described liquid crystal layer comprises alignment film 7 and lower alignment film 8; and be spaced in intervals between described upper alignment film 7 and lower alignment film 8; liquid crystal molecule (the stepped line sign liquid crystal molecule in figure above between alignment film 7 and lower alignment film 8 for showing is filled in this spacing; in reality, liquid crystal molecule is equally distributed); Described top layer ITO conductive layer 2 and the 2nd ITO conductive layer 4 form the control part of touch function; and the touch control electrode (not shown) matched is furnished with in described top layer ITO conductive layer 2 and the 2nd territory, ITO conductive layer 4 main plot; it should be noted that; in actual design; top layer ITO conductive layer is provided with the electrode for touch detection positioning X-direction location; 2nd ITO conductive layer is provided with the electrode for touch detection positioning Y-direction location; by detecting the coordinate in X, Y-direction, thus realize the location of touch function; Described 3rd ITO conductive layer 6 is the control part of liquid crystal display; described liquid crystal display signal control part comprises signal electrode (the Segment electrode controlling liquid crystal display; do not show in figure); and be covered with whole 3rd ITO conductive layer 6 region; described bottom ITO conductive layer 9 is established scan electrode (the Common electrode of liquid crystal display; do not show in figure) lead-in wire, the signal electrode of described liquid crystal display and scan electrode form the control electrode of described liquid crystal layer; The control electrode of described touch control electrode and described liquid crystal layer is electrically connected with corresponding control IC by ITO conducting medium lead-in wire, and control IC connects peripheral control unit by appropriate ports, thus controls liquid crystal display and touch.Also comprise one deck reflection-proof coating (not shown), this reflection-proof coating is arranged on described top layer ITO conductive layer 2, protects described top layer ITO conductive layer 2.
In the above-described embodiments, described top layer glass 3 and bottom glass 10 thickness are 0.4mm ~ 0.45mm; Described ITO conducting medium wire widths is 0.05mm ~ 0.1mm; Described top layer polaroid 1 and bottom polaroid 11 are PVA polaroid or TAC polaroid or PET polaroid.
The present invention is by being implanted into touch sensor (ITOSensor) in the region of liquid crystal display, the LCDs with this structure is made to have touch function again when having Presentation Function, deleting of touch-screen, then without the need to designing touch-screen separately again, reducing design cost, the thickness requiring the panel with touch and liquid crystal display can be reduced simultaneously, optimizing product performance, so, simplify the technological process of production, save the cost of production, assembling.Meanwhile, this integrated module, touch-sensitive, structure is simple, and result of use is good.
Above embodiment is merely illustrative and not limiting to the invention, therefore all equivalences done according to the method described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (5)
1. one kind touches and liquid crystal display integration module; comprise the top layer polaroid, top layer ITO conductive layer, top layer glass, touch LCD group, bottom ITO conductive layer, bottom glass and the bottom polaroid that from up to down set gradually; it is characterized in that: described touch LCD group comprises the 2nd ITO conductive layer, insulation course, the 3rd ITO conductive layer and liquid crystal layer; arrange described insulation course between described 2nd ITO conductive layer and the 3rd ITO conductive layer, described 3rd ITO conductive layer lower end arranges described liquid crystal layer; Described liquid crystal layer comprises alignment film and lower alignment film, and filling liquid crystal molecule between described upper alignment film and lower alignment film; Described top layer ITO conductive layer and the 2nd ITO conductive layer form the control part of touch function, and are furnished with the touch control electrode matched in described top layer ITO conductive layer and the 2nd territory, ITO conductive layer main plot; Described 3rd ITO conductive layer is the control part of liquid crystal display; described liquid crystal display signal control part comprises the signal electrode (Segment electrode) controlling liquid crystal display; and be covered with whole 3rd ITO conductive layer area; described bottom ITO conductive layer is established the scan electrode (Common electrode) of liquid crystal display go between, the signal electrode of described liquid crystal display and scan electrode form the control electrode of described liquid crystal layer; The control electrode of described touch control electrode and described liquid crystal layer is electrically connected with corresponding control IC by ITO conducting medium lead-in wire, controls display and touches.
2. one according to claim 1 touches and liquid crystal display integration module, and it is characterized in that: also comprise one deck reflection-proof coating, this reflection-proof coating is arranged on described top layer ITO conductive layer.
3. one according to claim 1 and 2 touches and liquid crystal display integration module, it is characterized in that: described top layer glass and bottom thickness of glass are 0.4mm ~ 0.45mm.
4. one according to claim 3 touches and liquid crystal display integration module, it is characterized in that: described ITO conducting medium wire widths is 0.05mm ~ 0.1mm.
5. one according to claim 4 touches and liquid crystal display integration module, it is characterized in that: described top layer polaroid and bottom polaroid are PVA polaroid or TAC polaroid or PET polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829860.0A CN105372861A (en) | 2015-11-25 | 2015-11-25 | Touch and liquid crystal display integration module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829860.0A CN105372861A (en) | 2015-11-25 | 2015-11-25 | Touch and liquid crystal display integration module |
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| Publication Number | Publication Date |
|---|---|
| CN105372861A true CN105372861A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510829860.0A Pending CN105372861A (en) | 2015-11-25 | 2015-11-25 | Touch and liquid crystal display integration module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861659A (en) * | 2017-12-04 | 2018-03-30 | 信利光电股份有限公司 | A kind of touch module |
| CN109739382A (en) * | 2019-01-04 | 2019-05-10 | 京东方科技集团股份有限公司 | Touch device and display equipment |
| CN111679488A (en) * | 2020-06-29 | 2020-09-18 | 赣州市秋田微电子有限公司 | Conduction method of liquid crystal display ITO |
| WO2024017342A1 (en) * | 2022-07-22 | 2024-01-25 | 青岛海尔特种制冷电器有限公司 | Refrigerator and glass panel thereof |
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| 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 |
| CN204288171U (en) * | 2014-11-28 | 2015-04-22 | 深圳市轩利丰科技有限公司 | Touch display screen and electronic equipment |
| US20150161962A1 (en) * | 2009-04-15 | 2015-06-11 | Industrial Technology Research Institute | Touch sensing device |
| CN204406374U (en) * | 2015-01-15 | 2015-06-17 | 苏伟 | A kind of antistatic, embedded touch capacitance plate |
| CN205210469U (en) * | 2015-11-25 | 2016-05-04 | 东莞通华液晶有限公司 | Touch and integrated module of liquid crystal display |
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2015
- 2015-11-25 CN CN201510829860.0A patent/CN105372861A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2890983Y (en) * | 2006-03-28 | 2007-04-18 | 蒋实 | Non-contact induction screen |
| US20150161962A1 (en) * | 2009-04-15 | 2015-06-11 | Industrial Technology Research Institute | Touch sensing device |
| CN204288171U (en) * | 2014-11-28 | 2015-04-22 | 深圳市轩利丰科技有限公司 | Touch display screen and electronic equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861659A (en) * | 2017-12-04 | 2018-03-30 | 信利光电股份有限公司 | A kind of touch module |
| CN109739382A (en) * | 2019-01-04 | 2019-05-10 | 京东方科技集团股份有限公司 | Touch device and display equipment |
| CN109739382B (en) * | 2019-01-04 | 2022-12-20 | 京东方科技集团股份有限公司 | Touch device and display equipment |
| CN111679488A (en) * | 2020-06-29 | 2020-09-18 | 赣州市秋田微电子有限公司 | Conduction method of liquid crystal display ITO |
| WO2024017342A1 (en) * | 2022-07-22 | 2024-01-25 | 青岛海尔特种制冷电器有限公司 | Refrigerator and glass panel thereof |
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Application publication date: 20160302 |