CN107728366A - A kind of hermetically sealed touch liquid crystal integrally shields and its manufacturing process - Google Patents
A kind of hermetically sealed touch liquid crystal integrally shields and its manufacturing process Download PDFInfo
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- CN107728366A CN107728366A CN201711109705.7A CN201711109705A CN107728366A CN 107728366 A CN107728366 A CN 107728366A CN 201711109705 A CN201711109705 A CN 201711109705A CN 107728366 A CN107728366 A CN 107728366A
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- liquid crystal
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- glass cover
- touch
- solid
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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
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
Abstract
The present invention provides the manufacturing process that a kind of hermetically sealed touch liquid crystal integrally shields, it uses solid-state uv flexible glue that the element being sequentially arranged mutually fits to form one, the element includes touch-screen group, liquid crystal display group, lucite frame and glass cover-plate, embedded backlight module between the liquid crystal display group, lucite frame and glass cover-plate.The transparent veneer of use above novel process production, it is not easy to produce bubble, two panels veneer can be accomplished apart from equal concavo-convex poor without thickness, no wood receives existing picture, it is not easy to the new glued touch-control display backlight one screen of excessive glue.
Description
Technical field
The present invention relates to Touch Screen technical field, more particularly to a kind of hermetically sealed jamproof touch liquid crystal integrally screen and
Its manufacturing process.
Background technology
The fitting of usual large scale clear glass makes light using the UV ultraviolet optical cements that liquid is smeared in a face glass surface
Glue is close from the head of gluing glass after glass surface flows and is evenly distributed, then by another non-gluing clear glass, from
The gas in liquid glue and bubble are squeezed out beyond fitting body using roller on the face of non-gluing glass, finally in transparent adhesion
The top of body is using the irradiation solidify afterwards bonding of high-power UV ultraviolet lamps.A whole set of automatic double surface gluer price is high, and uses liquid
UV glue because it is unidirectionally extruded flowing, be easy in defoaming process produce thickness it is poor, often have gas bubbles left, shield
Simple-minded phenomenon (similar moire fringes), and easy excessive glue will occur on curtain, easily infiltrate into the backlight module gap of behind, cause
Product fraction defective is high.And to apply applying equipment sufficiently expensive for large scale, if because deaeration is incomplete or simple-minded phenomenon scrap, may result in
The raising of production cost.
Chinese patent such as application number 201210011775.X discloses a kind of excessive glue when controlling liquid optical cement fitting
Method, it comprises the following steps：(1) face glass of capacitive touch screen is glued with induction line using liquid optical cement；
(2) touch-screen is wrapped using diaphragm；(3) touch-screen is placed in deaeration machine, pressurizeed；(4) after the pressure release of deaeration machine,
Touch-screen is taken out, removes diaphragm.The complex process, and thickness is also easy to produce using pressurization centrifugal rotation defoaming in de-aeration
Difference, the bigger display screen of area are possible to the display of the pressure and temperature that is born in each place than small size during fitting
Screen (such as mobile phone screen) difference is particularly easy to produce moire fringes more greatly, and is difficult come to large scale with huge rotation deaeration machine
Touch-screen deaeration.
And for example the Chinese patent of application number 201310379842.8, which discloses, a kind of is bonded small chi using the OCA glue of solid-state
The method of very little Mobile phone touch control screen and upper polaroid, the polaroid of optical thin film class, because itself is soft, it is possible to make
With the OCA glue of solid-state as fitting medium, the touch-screen of the polaroid of softness and hard is bonded, but be used to solid-state
OCA glue be bonded the liquid crystal display of the touch-screen of hard and hard, easily when using still kettle Pressurized-heated, thickness can be produced
Difference, simple-minded defective products is produced, area is more big simple-minded more, and yield rate is lower.
The content of the invention
An object of the present invention is to provide that a kind of technique is simple, the complete hermetically sealed touch liquid crystal one for being bonded excellent effect
The manufacturing process of body screen.
Realizing the technical scheme of the object of the invention one is, the manufacturing process that a kind of hermetically sealed touch liquid crystal integrally shields, it is adopted
The element being sequentially arranged mutually is fitted to form one with solid-state uv flexible glue, the element includes touch-screen group, liquid crystal
Screen group, lucite frame and glass cover-plate, the embedded back of the body between the liquid crystal display group, lucite frame and glass cover-plate
Optical mode group；Its technical process includes：
1) pre- fitting：The solid-state uv that one piece of 50~300 μm of thickness is attached between the adjacent element of any two is soft
Property glue, the backlight module are directly embedded between liquid crystal display group, lucite frame and glass cover-plate；
2) deaeration：The element for being pasted with solid-state uv flexible glue is put into 10~250min of deaeration in still kettle, controlled
Pressure 0.5kg~10kg in still kettle, 30~65 DEG C of temperature；Still kettle deaeration is compared to the vacuum centrifugal defoaming of routine, flat board
Component is pressurized uniformly, and its de-aeration is stable, ensures that solid-state uv flexible glue thickness is uniform so that transparent by fitting 2
Distance is identical between element, and deaeration effect is preferable；
3) solidify：Strong illumination is carried out to transparent veneer using powerful UV irradiation lights, makes solid-state uv flexible
Adhesive curing with each element so as to fit together.
4) edge sealing：Edging, polishing are carried out to the edge integrally shielded, is dried after spray containment coating.Because glass and organic
Fitting tolerance can be produced after glass gluing, the characteristic that can be cut, polish using two kinds of elements, one screen edge is sealed
Side, secondary seal is carried out in the one screen edge for being easiest to aoxidize, make moist, because it eliminates frame decoration support bar, is saved
Production cost.
For superior technique effect, the technical scheme of the object of the invention one can also do following improvement：
1st, technical process also includes step 5) shielding：The touch-screen group and glass that will integrally shield after step 4) edge sealing
The surface of cover plate plates ITO conducting films, and two blocks of electropanes are grounded simultaneously；By shield front and back come electric wave
Disturb to ensure to be clipped in that the electronic component among two panels shield glass is not disturbed by electric wave.
2nd, it is in the step 1) that the bottom reflectance coating and light guide plate that form backlight module is flexible by solid-state uv
Then glue laminating again fits to glass cover-plate on lucite frame on the inside of glass cover-plate, upper protective film in backlight module,
Prism film and diffusion barrier are directly in nesting and lucite frame.Each component for forming backlight module is split into assembling so that
Lamp body heat directly can be radiated by glass-board surface, prolonging lamp tube service life；Bottom reflectance coating and light guide plate fit together, and eliminate
Gap with glass cover-plate, reduces light loss, adds brightness；After posting, become convex cover plate, lifting fitting is fixed
The degree of accuracy of position.
The invention uses full attaching process of the solid-state uv flexible glue for bonding agent cooperation still kettle deaeration,
Using solid-state uv flexible glue good solid-state is had more compared with the UV ultraviolet opticses glue of liquid and the OCA optical cements of solid-state
Mobility, solid-state uv flexible glue, during reel sheet is produced into, oneself is through having filtered off all bubbles, with solid-state
Mode be fitted in the colloid amboceptor for turning into bubble-free among two transparent flat board components, add by the heating of still kettle
Pressure, soft solid state medium become liquid soft medium, can realize the extruding shielded firmly to shielding firmly, complete and do not produce
Equidistant flexible glue self-balancing flowing between the transparent component of two panels of bubble.During decrease temperature and pressure behind, formed
Upper and lower two panels is transparent, apart from equal, no bubble, will not excessive glue transparent veneer, after confirming that non-defective unit is errorless, reuse
Powerful UV strong illuminations light irradiation sizing.In addition, if excessive glue can be directly to organic glass to lucite in de-aeration
Glass carries out edging finishing, avoids colloid from spilling over backlight module and producing bad causes backlight group to be scrapped.
The use above novel process production transparent veneer, it is not easy to produce bubble, can accomplish two panels veneer away from
It is concavo-convex poor without thickness from equal, receive existing picture without wood, it is not easy to the new glued touch-control display backlight one screen of excessive glue.The work
The equipment manufacturing cost that skill uses is low, greatlys save production cost.
The two of the object of the invention are that providing a kind of hermetically sealed touch liquid crystal integrally shields, its technique for using goal of the invention one
It is made, it includes LCDs body, and the LCDs body includes what is be sequentially bonded by solid-state uv flexible glue
Touch-screen group, liquid crystal display group, lucite frame and glass cover-plate；The liquid crystal display group, lucite frame and glass
Backlight module is embedded between cover plate；Transparent sealing coating is coated in LCDs body edge.
Further, the glass surface of the touch-screen group and the surface of glass back plate are respectively coated with transparent ITO conducting films, and two
Individual ITO conductions film surface is grounded simultaneously, realizes the jamproof performance of complete machine full-shield.
Further, the glass cover-plate is waterproof glass cover plate.
The hermetically sealed, waterproof of formation that is produced using the technique, protection against the tide, ultra-thin touch display one screen eliminate touch-control
Screen group, LCDs group, all gaps of backlight module, had both added the fine definition of image, can reduce brightness again and reach
To the remarkable result of energy-conservation；Glass cover-plate two-side radiation by the touch-control glass before touch-screen group and below, is eliminated
Radiate back shroud, heat emission hole, completely eliminates the phenomenon that Electrostatic Absorption makes inside television produce dust；Because it is without tradition
All metallic supports of fixed liquid-crystalline glasses, backlight module fix all metals such as metalwork, sealed heat-dissipating metal back cover
Component, metal material is saved, reduced manufacturing cost, television set, advertisement machine, electronic whiteboard, super large can be widely applied to
The fields such as electronic curtain.
Brief description of the drawings
Fig. 1 is the assembling structure schematic diagram that hermetically sealed touch liquid crystal described in the embodiment of the present invention integrally shields an element；
Fig. 2 is the sectional view that hermetically sealed touch liquid crystal described in the embodiment of the present invention integrally shields.
Embodiment
Present pre-ferred embodiments are described further below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the invention provides a kind of hermetically sealed touch liquid crystal integrally to shield, and it includes LCDs
Body 1, the LCDs body include touch-screen group 11, the liquid crystal display group being sequentially bonded by solid-state uv flexible glue 10
12nd, lucite frame 13 and waterproof glass cover plate 14, between the liquid crystal display group, lucite frame and glass cover-plate
Embedded with backlight module 15；The glass surface of the touch-screen group and the surface of waterproof glass cover plate are respectively coated with transparent ITO conducting films
16, two ITO conduction film surfaces are grounded simultaneously, and transparent sealing coating 17 is coated in the edge of LCDs body 1.
The embodiment of the hermetically sealed anti-interference Touch-control liquid crystal display screen manufacturing process of the present invention is：
Embodiment 1：
A kind of manufacturing process that hermetically sealed touch liquid crystal integrally shields, it uses solid-state uv flexible glue to be sequentially arranged
Element mutually fits to form one, and the element includes touch-screen group, liquid crystal display group, lucite frame and glass cover-plate,
Embedded backlight module between the liquid crystal display group, lucite frame and glass cover-plate；Its technical process includes：
1) the solid-state uv flexible glue of one piece of 50~100 μm of thickness, institute are attached between the adjacent element of any two
Backlight module is stated to be directly embedded between liquid crystal display group, lucite frame and glass cover-plate；
2) deaeration：The element for being pasted with solid-state uv flexible glue is put into 10~50min of deaeration in still kettle, control is steamed
Press pressure 0.5kg~3kg in kettle, 30~40 DEG C of temperature；
3) solidify：Strong illumination is carried out to transparent veneer using powerful UV irradiation lights, makes solid-state uv flexible
Adhesive curing with each element so as to fit together；
4) edge sealing：Edging, polishing are carried out to the edge integrally shielded, dried after spraying transparent sealing coating.
5) shield：The touch-screen group integrally shielded after step 4) edge sealing and glass cover plate surfaces below are plated
ITO conducting films, and two blocks of electropanes are grounded simultaneously.
Form each element, solid-state uv flexible glue, gasket coating and technique that hermetically sealed touch liquid crystal integrally shields
Edging, the polissoir that still kettle that process uses, edge sealing process use are prior art, and therefore not to repeat here.
Embodiment 2-3：
Using preparation method same as Example 1, distinguish in listed pre- fitting in respectively using table 1 and take off
Steep thickness, pressure and temperature in step and replace respective value used by embodiment 1, obtain various sizes of hermetically sealed touch-control
Liquid crystal integrated screen.
Then mobility is inadequate less than 50 μm for solid-state uv flexible glue thickness in embodiment, and easily generation thickness is poor, thickness
Mobility is excessively full if higher than 300 μm easily produces excessive glue.Temperature and pressure are if soft less than solid-state uv if limit value
Property glue and each element be not easy to attach；30~65 DEG C of temperature, 0.5~10kg of pressure inclined heated plates 10~250 minutes in de-aeration,
Numerical value equally can also produce thickness difference and produce simple-minded phenomenon if causing excessive glue higher than the easy softening of the resin if limit value.
Suitable parameter can be chosen in actual production process in above-mentioned numerical intervals according to the difference of screen size to be produced.
Pre- fitting during present invention process can use sheet laminator to be bonded, and can also be pasted using web-like laminator
Close；The multilayer chip veneer posted can it is double-deck, can also disposal multi-layer, it might even be possible to whole Touch-control liquid crystal display screen
It is put into still kettle Inner after whole primary gluings are good, temperature-pressure deaeration is allowed to be formed that one transparent, sealing, anti-interference, waterproof, anti-
The tabular veneer of mist, natural heat dissipation；The assembly method of backlight module is also not necessarily limited to described in embodiment, can also will form backlight
Each component of module splits assembling：The bottom reflectance coating for forming backlight module and light guide plate are passed through into solid-state uv flexible glue
Fit on the inside of glass cover-plate, then again fit to glass cover-plate on lucite frame, upper protective film, rib in backlight module
Mirror film and diffusion barrier are directly in nesting and lucite frame.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent flow conversion that bright description is made, or other related technical areas are directly or indirectly used in, similarly wrap
Include in the scope of patent protection of the present invention.
Claims (4)
1. the manufacturing process that a kind of hermetically sealed touch liquid crystal integrally shields, it is characterised in that it uses solid-state uv flexible glue will
The element being sequentially arranged mutually fits to form one, the element include touch-screen group, liquid crystal display group, lucite frame and
Glass cover-plate, embedded backlight module between the liquid crystal display group, lucite frame and glass cover-plate；Its technical process bag
Include：
1) pre- fitting：The solid-state uv flexible glue of one piece of 50~300 μm of thickness is attached between the adjacent element of any two,
The backlight module is directly embedded between liquid crystal display group, lucite frame and glass cover-plate；
2) deaeration：The element for being pasted with solid-state uv flexible glue is put into 10~250min of deaeration in still kettle, controls steam pressure
Pressure 0.5kg~10kg in kettle, 30~65 DEG C of temperature；
3) solidify：Strong illumination is carried out to transparent veneer using powerful UV irradiation lights, allows solid-state uv flexible glue to consolidate
Change so as to be fit together with each element, form one screen；
4) edge sealing：Edging, polishing are carried out to the edge integrally shielded, is dried after spray containment coating.
2. the manufacturing process that hermetically sealed touch liquid crystal according to claim 1 integrally shields, it is characterised in that it also includes step
It is rapid 5) to shield：The touch-screen group integrally shielded after step 4) edge sealing and the surface of glass cover-plate are plated into ITO conducting films, and
Two blocks of electropanes are grounded simultaneously.
3. the manufacturing process that hermetically sealed touch liquid crystal according to claim 1 integrally shields, it is characterised in that the step 1)
It is middle to fit to the bottom reflectance coating for forming backlight module and light guide plate on the inside of glass cover-plate by solid-state uv flexible glue, so
Glass cover-plate is fitted on lucite frame again afterwards, the upper protective film, prism film and diffusion barrier in backlight module are directly embedding
It is placed in lucite frame.
4. the hermetically sealed touch liquid crystal that technique according to claim 1 obtains integrally shields, it includes LCDs body, and it is special
Sign is, touch-screen group that the LCDs body includes sequentially being bonded by solid-state uv flexible glue, liquid crystal display group, has
Machine glass frame and glass cover-plate；Backlight module is embedded between the liquid crystal display group, lucite frame and glass cover-plate；
Transparent sealing coating is coated in LCDs body edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711109705.7A CN107728366A (en) | 2017-11-11 | 2017-11-11 | A kind of hermetically sealed touch liquid crystal integrally shields and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711109705.7A CN107728366A (en) | 2017-11-11 | 2017-11-11 | A kind of hermetically sealed touch liquid crystal integrally shields and its manufacturing process |
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| CN107728366A true CN107728366A (en) | 2018-02-23 |
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| CN201711109705.7A Pending CN107728366A (en) | 2017-11-11 | 2017-11-11 | A kind of hermetically sealed touch liquid crystal integrally shields and its manufacturing process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459877A (en) * | 2018-08-15 | 2019-03-12 | 中国电子科技集团公司第五十五研究所 | A kind of display screen band frame applying method, laminating apparatus and its display |
| CN112351125A (en) * | 2020-10-28 | 2021-02-09 | Oppo广东移动通信有限公司 | Electronic equipment, display unit, display screen assembly and attaching method thereof |
| CN113916343A (en) * | 2021-09-15 | 2022-01-11 | 惠州市开蒙医疗科技有限公司 | Method for connecting transparent glass scale surface and metal decorative sheet for electronic scale and electronic scale |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503630A (en) * | 2015-01-19 | 2015-04-08 | 欧浦登（顺昌）光学有限公司 | Fully-sealed touch control integrated liquid crystal screen and manufacturing process thereof |
-
2017
- 2017-11-11 CN CN201711109705.7A patent/CN107728366A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503630A (en) * | 2015-01-19 | 2015-04-08 | 欧浦登（顺昌）光学有限公司 | Fully-sealed touch control integrated liquid crystal screen and manufacturing process thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459877A (en) * | 2018-08-15 | 2019-03-12 | 中国电子科技集团公司第五十五研究所 | A kind of display screen band frame applying method, laminating apparatus and its display |
| CN109459877B (en) * | 2018-08-15 | 2021-04-06 | 中国电子科技集团公司第五十五研究所 | Display screen band frame attaching method, attaching device and display thereof |
| CN112351125A (en) * | 2020-10-28 | 2021-02-09 | Oppo广东移动通信有限公司 | Electronic equipment, display unit, display screen assembly and attaching method thereof |
| CN113916343A (en) * | 2021-09-15 | 2022-01-11 | 惠州市开蒙医疗科技有限公司 | Method for connecting transparent glass scale surface and metal decorative sheet for electronic scale and electronic scale |
| CN113916343B (en) * | 2021-09-15 | 2023-12-22 | 惠州市开蒙医疗科技有限公司 | Method for connecting transparent glass scale surface and metal decorative sheet for electronic scale and electronic scale |
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Application publication date: 20180223 |