CN105259695A - High-reliability liquid crystal displayer and manufacturing process thereof - Google Patents
High-reliability liquid crystal displayer and manufacturing process thereof Download PDFInfo
- Publication number
- CN105259695A CN105259695A CN201510785621.XA CN201510785621A CN105259695A CN 105259695 A CN105259695 A CN 105259695A CN 201510785621 A CN201510785621 A CN 201510785621A CN 105259695 A CN105259695 A CN 105259695A
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- China
- Prior art keywords
- polaroid
- glue
- liquid crystal
- glass substrate
- lcd
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to a high-reliability liquid crystal displayer and a manufacturing process thereof. The liquid crystal displayer is composed of an upper polaroid, a liquid crystal box and a lower polaroid; the liquid crystal box is composed of an upper glass substrate, an upper ITO layer, an upper PI orientation layer, a liquid crystal layer, a lower PI orientation layer, a lower ITO layer and a lower glass substrate which are sequentially arranged from top to bottom; the area of the upper polaroid is smaller than the area of the upper glass substrate, and the area of the lower polaroid is smaller than the area of the lower glass substrate; the peripheries of the upper polaroid and the lower polaroid are sealed through UV glue, and the arrangement range of the UV glue is based on the outer side faces, serving as boundaries, of the upper polaroid and the lower polaroid in the vertical direction and based on the peripheral edge of the upper glass substrate or the lower glass substrate in the horizontal direction; polaroid protective films are arranged on the outer side faces of the upper polaroid and the lower polaroid. A UV glue sealing method is adopted, the layering and failure problems, easily occurring in high-temperature and high-humidity environments, of the polaroids are completely solved, and the tolerance of the liquid crystal displayer to the high-temperature and high-humidity environments is improved; the manufacturing process is simple, and production can be conducted through existing production equipment.
Description
Technical field
The present invention relates to LCD Technology field, particularly relate to a kind of high reliability liquid crystal display higher to hot and humid environment durability requirements and manufacturing process thereof.
Background technology
In recent years, liquid crystal display has been widely used in the numerous areas of national economy and national defense safety, along with the continuous expansion of products application scope, also more and more higher to the reliability requirement of product, but the performance of LCD product withstand high temperatures high humidity can't meet the demands at present, say from product structure, the bottleneck of this problem causes because polaroid serviceability in hot and humid environment is tested is unstable.
Summary of the invention
The invention provides a kind of high reliability liquid crystal display and manufacturing process thereof, adopt the method that UV glue is closed, the layering that thorough solution polaroid easily occurs in hot and humid environment and Problem of Failure, improve liquid crystal display to the tolerance of hot and humid environment; Its manufacturing process is simple, utilizes existing equipment to produce.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of high reliability liquid crystal display, comprise the liquid crystal display be made up of upper polaroid, liquid crystal cell and lower polaroid, wherein liquid crystal cell is made up of the top glass substrate set gradually from top to bottom, upper ITO layer, upper PI oriented layer, liquid crystal layer, lower PI oriented layer, lower ITO layer and lower glass substrate; The area of upper and lower polaroid is less than the area of upper and lower glass substrate respectively; Described upper polaroid and lower polaroid periphery are closed by UV glue, and the scope that arranges of UV glue at vertical direction with upper and lower polaroid lateral surface for boundary, horizontal direction with the edge of top glass substrate or lower glass substrate for boundary; Upper and lower polaroid lateral surface establishes polarizing plate protective film.
A manufacturing process for high reliability liquid crystal display, comprises the steps:
1)--------------polaroid is pasted in cleaning--photoelectricity inspection--to silk-screen to etching, making LCD product in sealing to close box solidification-liquid crystal filling in friction in exposure in LCD production procedure routinely: ito substrate;
2) complete after LCD product, closed by coating UV glue in the upper polaroid periphery of simple grain LCD; Select the UV glue with polaroid with suitable affinity, during coating UV glue, even lower glue around upper polaroid, UV glue is trickled naturally in top glass substrate, and ensureing that the height of UV glue is no more than the upper side of upper polaroid by controlling lower glue amount, width is no more than the outer ledge of top glass substrate; After the UV glue applied tentatively solidifies, LCD product is cured through UV stove;
3) the simple grain LCD top and bottom upset after single spreading solidification, by and step 2) periphery of lower polaroid closing by applying UV glue, after the UV glue applied tentatively solidifies, then being cured through UV stove by LCD product by same procedure;
4) polarizing plate protective film is pasted respectively at upper and lower polaroid lateral surface.
Compared with prior art, the invention has the beneficial effects as follows:
1) method adopting UV glue to close, the layering that thorough solution polaroid easily occurs in hot and humid environment and Problem of Failure, improve liquid crystal display to the tolerance of hot and humid environment;
2) manufacturing process is simple, utilizes existing equipment to produce, increases production cost hardly.
Accompanying drawing explanation
Fig. 1 is the structural representation of high reliability liquid crystal display of the present invention.
Fig. 2 is UV glue application scope schematic diagram of the present invention.
In figure: 1. go up PI oriented layer 23. liquid crystal layer 24. times PI oriented layer 25. lower glass substrate 26. wadding 27. liquid crystal 28. frame adhesive 3. times polaroid 4.UV glue in polaroid 2. liquid crystal cell 21. top glass substrate 22.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Seeing Fig. 1, is the structural representation of high reliability liquid crystal display of the present invention.A kind of high reliability liquid crystal display of the present invention, comprise the liquid crystal display be made up of upper polaroid 1, liquid crystal cell 2 and lower polaroid 3, wherein liquid crystal cell 2 is made up of the top glass substrate 21 set gradually from top to bottom, upper ITO layer, upper PI oriented layer 22, liquid crystal layer 23, lower PI oriented layer 24, lower ITO layer and lower glass substrate 25; The area of upper and lower polaroid 1,3 is less than the area of upper and lower glass substrate 21,25 respectively; Described upper polaroid 1 is closed by UV glue 4 with lower polaroid 3 periphery, and the scope that arranges of UV glue 4 at vertical direction with upper and lower polaroid 1,3 lateral surface for boundary, horizontal direction with the edge of top glass substrate 21 or lower glass substrate 25 for boundary; Upper and lower polaroid 1,3 lateral surface establishes polarizing plate protective film.(as shown in Figure 2)
A manufacturing process for high reliability liquid crystal display, comprises the steps:
1)--------------polaroid is pasted in cleaning--photoelectricity inspection--to silk-screen to etching, making LCD product in sealing to close box solidification-liquid crystal filling in friction in exposure in LCD production procedure routinely: ito substrate;
2) complete after LCD product, closed by coating UV glue 4 in upper polaroid 1 periphery of simple grain LCD; Select the UV glue with polaroid 1,3 with suitable affinity, during coating UV glue 4, even lower glue around upper polaroid 1, UV glue 4 is trickled naturally in top glass substrate 21, and ensureing that the height of UV glue 4 is no more than the upper side of upper polaroid 1 by controlling lower glue amount, width is no more than the outer ledge of top glass substrate 21; After the UV glue 4 applied tentatively solidifies, LCD product is cured through UV stove;
3) the simple grain LCD top and bottom upset after single spreading solidification, by and step 2) periphery of lower polaroid 3 closes by applying UV glue 4, after the UV glue 4 applied tentatively solidifies, then is cured through UV stove by LCD product by same procedure;
4) polarizing plate protective film is pasted respectively at upper and lower polaroid 1,3 lateral surface.
In the present invention, selected UV glue 4 needs and polaroid 1,3 has suitable affinity, simultaneously by controlling lower glue amount, makes UV glue 4 can not flow to polaroid 1, between 3 and polarizing plate protective film.
Liquid crystal layer 23 in the present invention is using wadding 26 as skeleton, and around filling liquid crystal 27 is formed, and liquid crystal layer 23 is enclosed between upper PI oriented layer 22 and lower PI oriented layer 24 by frame adhesive 28.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (2)
1. a high reliability liquid crystal display, comprise the liquid crystal display be made up of upper polaroid, liquid crystal cell and lower polaroid, wherein liquid crystal cell is made up of the top glass substrate set gradually from top to bottom, upper ITO layer, upper PI oriented layer, liquid crystal layer, lower PI oriented layer, lower ITO layer and lower glass substrate; The area of upper and lower polaroid is less than the area of upper and lower glass substrate respectively; It is characterized in that, described upper polaroid and lower polaroid periphery are closed by UV glue, and the scope that arranges of UV glue at vertical direction with upper and lower polaroid lateral surface for boundary, horizontal direction with the edge of top glass substrate or lower glass substrate for boundary; Upper and lower polaroid lateral surface establishes polarizing plate protective film.
2. the manufacturing process of a kind of high reliability liquid crystal display according to claim 1, is characterized in that, comprise the steps:
1)--------------polaroid is pasted in cleaning--photoelectricity inspection--to silk-screen to etching, making LCD product in sealing to close box solidification-liquid crystal filling in friction in exposure in LCD production procedure routinely: ito substrate;
2) complete after LCD product, closed by coating UV glue in the upper polaroid periphery of simple grain LCD; Select the UV glue with polaroid with suitable affinity, during coating UV glue, even lower glue around upper polaroid, UV glue is trickled naturally in top glass substrate, and ensureing that the height of UV glue is no more than the upper side of upper polaroid by controlling lower glue amount, width is no more than the outer ledge of top glass substrate; After the UV glue applied tentatively solidifies, LCD product is cured through UV stove;
3) the simple grain LCD top and bottom upset after single spreading solidification, by and step 2) periphery of lower polaroid closing by applying UV glue, after the UV glue applied tentatively solidifies, then being cured through UV stove by LCD product by same procedure;
4) polarizing plate protective film is pasted respectively at upper and lower polaroid lateral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785621.XA CN105259695A (en) | 2015-11-16 | 2015-11-16 | High-reliability liquid crystal displayer and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510785621.XA CN105259695A (en) | 2015-11-16 | 2015-11-16 | High-reliability liquid crystal displayer and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105259695A true CN105259695A (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510785621.XA Pending CN105259695A (en) | 2015-11-16 | 2015-11-16 | High-reliability liquid crystal displayer and manufacturing process thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487282A (en) * | 2016-01-26 | 2016-04-13 | 武汉华星光电技术有限公司 | LCD screen and LCD |
| CN106094305A (en) * | 2016-08-04 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of method adjusting size of electronic display and application |
| CN106094271A (en) * | 2016-06-22 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of display floater cutting method |
| CN108319061A (en) * | 2018-01-25 | 2018-07-24 | 深圳市华星光电技术有限公司 | Polaroid and liquid crystal display panel preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201033685A (en) * | 2009-03-10 | 2010-09-16 | Chi Mei Optoelectronics Corp | Display panel with light-blocking glue, and device for molding glue, and apparatus of glue injection and method for coating glue on display panel |
| CN201859287U (en) * | 2010-10-28 | 2011-06-08 | 精电(河源)显示技术有限公司 | Supporting device for preventing substrate deformation caused by UV glue contraction |
| JP2013242395A (en) * | 2012-05-18 | 2013-12-05 | Japan Display Inc | Liquid crystal display device |
| CN205103522U (en) * | 2015-11-16 | 2016-03-23 | 亚世光电股份有限公司 | High reliability LCD |
-
2015
- 2015-11-16 CN CN201510785621.XA patent/CN105259695A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201033685A (en) * | 2009-03-10 | 2010-09-16 | Chi Mei Optoelectronics Corp | Display panel with light-blocking glue, and device for molding glue, and apparatus of glue injection and method for coating glue on display panel |
| CN201859287U (en) * | 2010-10-28 | 2011-06-08 | 精电(河源)显示技术有限公司 | Supporting device for preventing substrate deformation caused by UV glue contraction |
| JP2013242395A (en) * | 2012-05-18 | 2013-12-05 | Japan Display Inc | Liquid crystal display device |
| CN205103522U (en) * | 2015-11-16 | 2016-03-23 | 亚世光电股份有限公司 | High reliability LCD |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487282A (en) * | 2016-01-26 | 2016-04-13 | 武汉华星光电技术有限公司 | LCD screen and LCD |
| CN106094271A (en) * | 2016-06-22 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of display floater cutting method |
| CN106094305A (en) * | 2016-08-04 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of method adjusting size of electronic display and application |
| CN108319061A (en) * | 2018-01-25 | 2018-07-24 | 深圳市华星光电技术有限公司 | Polaroid and liquid crystal display panel preparation method |
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Application publication date: 20160120 |