CN105045003A - Passive type liquid crystal display screen with built-in touch control function and manufacturing method thereof - Google Patents
Passive type liquid crystal display screen with built-in touch control function and manufacturing method thereof Download PDFInfo
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- CN105045003A CN105045003A CN201510596605.6A CN201510596605A CN105045003A CN 105045003 A CN105045003 A CN 105045003A CN 201510596605 A CN201510596605 A CN 201510596605A CN 105045003 A CN105045003 A CN 105045003A
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
-
- 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
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention relates to a passive type liquid crystal display screen with a built-in touch control function and a manufacturing method thereof. According to the method, ITO patterns of the product itself are used as positive and negative electrodes of an induction capacitor and the built-in touch screen and the LCD screen are driven simultaneously. The manufactured passive type liquid crystal display screen is characterized in that an upper ITO glass unit 1 and a lower ITO glass unit 3 are fixed by a frame adhesive 2 and a gasket 4 to form a glass liquid crystal box, wherein the thickness of the glass liquid crystal box is 6.0 microns. An upper ITO layer 16 is arranged under the upper ITO glass unit 1; a lower ITO layer 5 is arranged on the lower ITO glass unit 3; and a nematic twisted liquid crystal unit 6 is arranged between the upper ITO layer 16 and the lower ITO layer 5. The passive type liquid crystal display screen and the manufacturing method thereof have the following advantages: no independent capacitive touch screen is needed; problems of contact and contraposition of the capacitive screen can be solved; with one integrated circuit controller IC, phenomena of binding and contact of dual integrated circuit controller ICs can be avoided; and the production process is simplified and the production and material costs are lowered.
Description
Technical field
What the present invention relates to is a kind of passive type LCDs and method for making of embedded touch control function, utilize the both positive and negative polarity of ITO pattern as inductance capacitance of product itself, the method that the built-in touch screen formed and LCD liquid crystal display screen drive simultaneously, the passive type LCDs of the embedded touch control function produced.Belong to the technical field of LCDs and capacitance touch screen integration.
Background technology
At present under the drive of smart mobile phone, touch controllable function is more and more subject to the welcome of consumers in general.Button that need not be extra directly greatly facilitates the experience of user at the enterprising line operate of display icon.Conventional touch function is all increase a contact panel on a display panel to realize, and achieves touch-control, is the increase in the manufacturing process of product, adds cost, and can have a certain impact to yield although do like this.Single for the displaying contents in LCDs on the operator's console of household appliances and engineering machinery, the simple pure ICON display device of display pattern, then with contact panel laminating, not only complex manufacturing, and be that to produce yield low, production cost is high.
Summary of the invention
What the present invention proposed is a kind of passive type LCDs and method for making of embedded touch control function, utilize the both positive and negative polarity of ITO pattern as inductance capacitance of product itself, the method that the built-in touch screen formed and LCD liquid crystal display screen drive simultaneously, the passive type LCDs of the embedded touch control function produced.Its object is intended to the passive type LCDs of embedded touch control function, utilize the both positive and negative polarity of ITO pattern as inductance capacitance of liquid crystal display itself, built-in touch screen and the LCD liquid crystal display screen of formation drive simultaneously, do not need independent capacitance touch-screen, avoid the laminating of capacitance plate, the problems such as contraposition.Adopt an integrated circuit controller IC simultaneously, avoid the problems such as the binding of double integrated circuit controller IC, laminating.Thus simplify production technology, reduce production and material cost.
Technical solution of the present invention: the passive type LCDs of embedded touch control function, its structure is that upper ito glass 1 and lower ito glass 3 fix formation glass liquid crystal cell by frame glue 2 and liner 4, the thickness of this glass liquid crystal cell is 6.0um, upper ito glass is for 1 time upper ITO layer 16, lower ito glass 3 being lower ITO layer 5, is nematic twisted liquid crystals 6 between upper ITO layer 16 and lower ITO layer 5.
Advantage of the present invention: the passive type LCDs of embedded touch control function, does not need independent capacitance touch-screen, avoids the laminating of capacitance plate, the problems such as contraposition.Adopt an integrated circuit controller IC simultaneously, avoid the binding of double integrated circuit controller IC, laminating etc.Thus simplify production technology, reduce production and material cost.
Accompanying drawing explanation
Accompanying drawing 1 is passive type LCDs input interface and the displaying principle figure of embedded touch control function.
Accompanying drawing 2 is structural representations of the passive type LCDs of embedded touch control function.
The integrated circuit controller IC input interface figure and displaying principle figure of the function of LCD liquid crystal display screen and capacitance touch screen is driven while in accompanying drawing 1 being the passive type LCDs of embedded touch control function.
In accompanying drawing 21 be upper ito glass, 2 be frame glue, 3 are lower ito glasses, 4 are liners, 5 are lower ITO layer, 6 are nematic twisted liquid crystals, 7 are lower liquid crystal orienting films, 8 are lower semi-transmissive film polaroids, 9 is weldable metal pin PIN, 10 is that conductive carbon is selected, 11 be ultra-violet curing glue, 12 are integrated circuit controller IC, 13 are anisotropy conductiving glue bar ACF, 14 are upper transmission film polaroids, 15 is upper liquid crystal orienting films, and 16 is upper ITO layer.
Embodiment
Contrast accompanying drawing 1,2, utilizes the both positive and negative polarity of ITO pattern as inductance capacitance of product itself, the method that the built-in touch screen of formation and LCD liquid crystal display screen drive simultaneously, makes the passive type LCDs of embedded touch control function.
The passive type LCDs of embedded touch control function, its structure comprises ito glass 1, frame glue 2, lower ito glass 3, liner 4, lower ITO layer 5, nematic twisted liquid crystal 6, lower liquid crystal orienting film 7, lower semi-transmissive film polaroid 8, weldable metal pin PIN9, conductive carbon select 10, ultra-violet curing glue 11, integrated circuit controller IC12, anisotropy conductiving glue bar ACF13, upper transmission film polaroid 14, upper liquid crystal orienting film 15, upper ITO layer 16.
Wherein go up ito glass 1 and lower ito glass 3 by frame glue 2 with liner 4 is fixing forms glass liquid crystal cell, the thickness of this glass liquid crystal cell is 6.0um, and upper ito glass is for 1 time upper ITO layer 16, lower ito glass 3 is lower ITO layer 5, nematic twisted liquid crystals 6 between upper ITO layer 16 and lower ITO layer 5
Described upper ITO layer 16 is etched into required pattern (pattern of ITO layer meets the requirement of LCD liquid crystal display screen and capacitance touch screen simultaneously) with lower ITO layer 5,
Lower ito glass 3 binds this IC of integrated circuit controller IC12(by anisotropy conductiving glue bar ACF13 and need have the function simultaneously driving LCD liquid crystal display screen and capacitance touch screen),
Upper ito glass 1 and lower ito glass 3 are coated with liquid crystal orienting film 15 and lower liquid crystal orienting film 7, and weldable metal pin PIN9 is connected with lower ito glass 3 by ultra-violet curing glue 11, conductive carbon point 10,
Transmission film polaroid 14 and lower semi-transmissive film polaroid 8 on the outside of glass liquid crystal cell attaches respectively.
The method for making of the passive type LCDs of embodiment embedded touch control function
1) in the ITO layer of two pieces of ito glasses, design can meet the pattern of the requirement of LCD liquid crystal display screen and capacitance touch screen simultaneously;
2) etch respectively by exposure on two pieces of ito glasses, form required pattern on the ito layer;
3) coating of liquid crystalline alignment liquid SE3310 in the ITO layer that two pieces have been carved the ito glass of ITO pattern, thickness is 800 dusts, is heated to 220
oliquid crystal orienting film is formed after C solidification.Then rub on alignment film by friction cloth and form groove;
4) at glass surrounding serigraphy upper side frame glue XN-5A-C, thickness is 10 microns, and glass sprays the liner NM-HS-060 of 6.0um diameter, and density is 150/mm
2, by two pieces of glass gluings together; 180
oc hot pressing is burnt till and frame adhesive is solidified;
5) liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation to inject nematic Super Twisted Nematic Liquid Crystal HRD201200/HRD201300.Inlet is coated sealing compound 3781, then ultra-violet curing;
6) the liquid crystal cell ultrasound wave injecting liquid crystal being added cleaning fluid to clean up, then by sticking lower semi-transmissive film polaroid GN1805SA1U below glass case, sticking transmission film polaroid GN1805TA above;
7) apply anisotropy conductiving glue bar ACFCP-6920F3 by upper for the lower ITO of the liquid crystal cell carrying out band polaroid, bind UC1510CB;
8) the lower ITO input interface place conductive carbon point FC403T and ultra-violet curing glue UV3315 tying up the LCDs of integrated circuit controller ICUC1510CB is fixed weldable metal pin PINW522110C.
The passive type LCDs of embedded touch control function, be utilize the ITO pattern of product itself as the both positive and negative polarity of inductance capacitance, the method that the built-in touch screen formed and LCD liquid crystal display screen drive simultaneously, the passive type LCDs of the embedded touch control function produced.So just do not need to make extra capacitance plate, just there is not the laminating of external capacitance plate, the problems such as contraposition yet.Built-in touch screen and LCD liquid crystal display screen use same integrated circuit controller IC, avoid the problems such as the binding of double integrated circuit controller IC, laminating.Thus reduce the production cost of product.
The feature of this kind of method: be applicable to COG+PINICONLCD LCDs, is applicable to the control panel of household appliances or operator's console, the Subway automatic ticket issuing machine of Other Engineering machinery, the liquid crystal displays such as market, airport self-service query.Due to the passive type LCDs of embedded touch control function, do not need independent capacitance touch-screen, avoid the laminating of capacitance plate, the problems such as contraposition.Adopt an integrated circuit controller IC simultaneously, avoid the binding of double integrated circuit controller IC, laminating etc.Thus simplify production technology, reduce production and material cost.
Claims (6)
1. the passive type LCDs of embedded touch control function, it is characterized in that ito glass 1 and lower ito glass are by frame glue and liner fixing formation glass liquid crystal cell, the thickness of this glass liquid crystal cell is 6.0um, it is upper ITO layer under upper ito glass, lower ito glass is lower ITO layer, is nematic twisted liquid crystal between upper ITO layer and lower ITO layer.
2. the passive type LCDs of embedded touch control function according to claim 1, is characterized in that described upper ITO layer and lower ITO layer are etched into required pattern, and the pattern of ITO layer meets the requirement that LCD liquid crystal display screen and capacitance touch screen drive simultaneously simultaneously.
3. the passive type LCDs of embedded touch control function according to claim 1, it is characterized in that described lower ito glass binds integrated circuit controller IC by anisotropy conductiving glue bar ACF, this IC need have the function having simultaneously and drive LCD liquid crystal display screen and capacitance touch screen.
4. the passive type LCDs of embedded touch control function according to claim 1, it is characterized in that described upper ito glass and lower ito glass are coated with liquid crystal orienting film and lower liquid crystal orienting film, welding type metallic pin PIN is connected with lower ito glass by ultra-violet curing glue, conductive carbon point.
5. the passive type LCDs of embedded touch control function according to claim 1, is characterized in that the outside of described glass liquid crystal cell attaches transmission film polaroid, lower semi-transmissive film polaroid respectively.
6. the method for making of the passive type LCDs of embedded touch control function as claimed in claim 1, it is characterized in that the both positive and negative polarity utilizing the ITO pattern of product itself as inductance capacitance, the built-in touch screen formed and LCD liquid crystal display screen drive simultaneously, specifically comprise the steps:
1) in the ITO layer of two pieces of ito glasses, design can meet the pattern of the requirement of LCD liquid crystal display screen and capacitance touch screen simultaneously;
2) etch respectively by exposure on two pieces of ito glasses, form required pattern on the ito layer;
3) coating of liquid crystalline alignment liquid SE3310 in the ITO layer that two pieces have been carved the ito glass of ITO pattern, thickness is 800 dusts, is heated to 220
oform liquid crystal orienting film after C solidification, then rubbing on alignment film by friction cloth forms groove;
4) at glass surrounding serigraphy upper side frame glue XN-5A-C, thickness is 10 microns, and glass sprays the liner NM-HS-060 of 6.0um diameter, and density is 150/mm
2, by two pieces of glass gluings together; 180
oc hot pressing is burnt till and frame adhesive is solidified;
5) liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation to inject nematic Super Twisted Nematic Liquid Crystal HRD201200/HRD201300;
Inlet is coated sealing compound 3781, then ultra-violet curing;
6) the liquid crystal cell ultrasound wave injecting liquid crystal being added cleaning fluid to clean up, then by sticking lower semi-transmissive film polaroid GN1805SA1U below glass case, sticking transmission film polaroid GN1805TA above;
7) apply anisotropy conductiving glue bar ACFCP-6920F3 by upper for the lower ITO of the liquid crystal cell carrying out band polaroid, bind UC1510CB;
8) the lower ITO input interface place conductive carbon point FC403T and ultra-violet curing glue UV3315 tying up the LCDs of integrated circuit controller ICUC1510CB is fixed weldable metal pin PINW522110C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510596605.6A CN105045003A (en) | 2015-09-18 | 2015-09-18 | Passive type liquid crystal display screen with built-in touch control function and manufacturing method thereof |
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| CN201510596605.6A CN105045003A (en) | 2015-09-18 | 2015-09-18 | Passive type liquid crystal display screen with built-in touch control function and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292081A (en) * | 2016-10-27 | 2017-01-04 | 南京华日触控显示科技有限公司 | Liquid crystal injecting port with flow-stopping plate improves the method that liquid crystal washes away |
| CN106443861A (en) * | 2016-11-15 | 2017-02-22 | 信利光电股份有限公司 | Optical film and touch display screen |
| CN106843613A (en) * | 2016-12-27 | 2017-06-13 | 深圳市三鑫精美特玻璃有限公司 | A kind of large scale capacitance touch screen method for glass preparation and glass |
| CN106914366A (en) * | 2015-12-17 | 2017-07-04 | 东丽工程株式会社 | Spreader cleaning device and apparatus for coating |
| CN106228915B (en) * | 2016-07-28 | 2019-04-19 | 中国船舶重工集团公司第七0九研究所 | A kind of large scale reinforces display terminal and its attaching process |
| CN111929938A (en) * | 2020-08-27 | 2020-11-13 | 上海创功通讯技术有限公司 | Display panel, display device and manufacturing method of display panel |
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| CN102929023A (en) * | 2012-10-26 | 2013-02-13 | 南京华日液晶显示技术有限公司 | Method for manufacturing 2D/3D (two dimensional/three dimensional) display switchover parallax barrier grid by using LCD (Liquid Crystal Display) |
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| CN204945581U (en) * | 2015-09-18 | 2016-01-06 | 南京华日触控显示科技有限公司 | The passive type LCDs of embedded touch control function |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914366A (en) * | 2015-12-17 | 2017-07-04 | 东丽工程株式会社 | Spreader cleaning device and apparatus for coating |
| CN106228915B (en) * | 2016-07-28 | 2019-04-19 | 中国船舶重工集团公司第七0九研究所 | A kind of large scale reinforces display terminal and its attaching process |
| CN106292081A (en) * | 2016-10-27 | 2017-01-04 | 南京华日触控显示科技有限公司 | Liquid crystal injecting port with flow-stopping plate improves the method that liquid crystal washes away |
| CN106443861A (en) * | 2016-11-15 | 2017-02-22 | 信利光电股份有限公司 | Optical film and touch display screen |
| CN106843613A (en) * | 2016-12-27 | 2017-06-13 | 深圳市三鑫精美特玻璃有限公司 | A kind of large scale capacitance touch screen method for glass preparation and glass |
| CN106843613B (en) * | 2016-12-27 | 2020-08-11 | 深圳市三鑫精美特玻璃有限公司 | Preparation method of large-size capacitive touch screen glass and glass |
| CN111929938A (en) * | 2020-08-27 | 2020-11-13 | 上海创功通讯技术有限公司 | Display panel, display device and manufacturing method of display panel |
| CN111929938B (en) * | 2020-08-27 | 2023-07-21 | 上海创功通讯技术有限公司 | Display panel, display device and manufacturing method of display panel |
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