CN103777394A - Manufacturing method for reinforcement type liquid crystal display module - Google Patents
Manufacturing method for reinforcement type liquid crystal display module Download PDFInfo
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- CN103777394A CN103777394A CN201310691176.1A CN201310691176A CN103777394A CN 103777394 A CN103777394 A CN 103777394A CN 201310691176 A CN201310691176 A CN 201310691176A CN 103777394 A CN103777394 A CN 103777394A
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Abstract
A manufacturing method for a reinforcement type liquid crystal display module is characterized by including the following steps that firstly, glass is selected as a heater substrate to be washed; secondarily, a heating pattern shape is designed on the substrate and meets the heating requirement; thirdly, alloy material serves as heating material, and alloy material patterns are formed on the substrate through one or more combinations of a chemical vapor deposition method, a physical vapor deposition method, a mechanical rolling method and other methods; fourthly, electrodes are led out to a heating power supply from the alloy material patterns used for heating. The problem that in the process of low-temperature heating, liquid crystal screen temperature is not even in distribution is solved, so that heating efficiency is improved. The film forming technology, on substrate material poor in high-temperature performance, of the alloy material is achieved, and the application field of the alloy material is expanded. The problem that the irregular-shape liquid crystal display module is not even in temperature distribution in the process of low-temperature heating can be solved well.
Description
Technical field
The present invention relates to a kind of lcd technology, especially a kind of LCD MODULE well heater technology, specifically a kind of preparation method of reinforced liquid crystal display module well heater.
Background technology
At present, because the reason of the physical characteristics of liquid crystal molecule own causes liquid crystal display under low temperature environment, particularly the application of liquid crystal display field of reinforcement has been subject to certain restriction.And to improve LCD low temperature operating characteristic as the research work of object one of the research emphasis of Shi Ge Liquid crystal production producer and research unit always.
For specific LCD MODULE, the general ITO(tin indium oxide that adopts under low temperature environment) mode of film heating component carries out external heating to LCD MODULE, can substantially solve the problem that LCD low temperature starts.But due to the complicacy of the pyroelecthc properties of ITO material own and crystal display module structure, in low-temperature heat process, exist the even phenomenon of liquid crystal display temperature distributing disproportionation, not only have a strong impact on the display effect of display module, even there will be integrity problems such as " quick-fried screens ".Due to the complicacy of processing after the unicity of heating material and ITO rete, be unfavorable for the design of diversified well heater figure, can not meet the requirement of irregularly shaped LCD MODULE low-temperature heat uniformity of temperature profile.For this reason, need to find new for reinforced liquid crystal display module well heater preparation method.
Summary of the invention
The object of the invention is for liquid crystal display temperature distributing disproportionation in existing well heater low-temperature heat process even, the problems such as graphic designs processing difficulties, invent a kind of graphic designs easy to process and be conducive to the preparation method of the reinforced liquid crystal display module well heater of uniformity of temperature profile.
Technical scheme of the present invention is:
A preparation method for reinforced liquid crystal display module well heater, is characterized in that it comprises the following steps:
First, select glass, organic glass, PC, PMMA or polyimide film are as well heater substrate.And it is cleaned to and meets follow-up preparation requirement; Should first apply if desired the low-temperature protection layer that a layer thickness is 10-30 micron;
Secondly, in substrate, design and meet the heating pattern shape that adds heat request;
The 3rd, utilize alloy material as heating material, by chemical vapor deposition, physical vapour deposition (PVD), mechanical press, mechanical lapping polishing, chemical polishing and electropolishing, forge, alloy material pattern that one or more combination in powder rolling and calendering technology method forms heating use in substrate, the thickness of pattern is generally no more than 30 sodium rice;
The 4th, on the alloy material pattern of heating use, extraction electrode is to heating power supply.
Described alloy material is manganin, constantan, nickel-chrome, Aludirome, aluminium Rhometal, cupronickel, low germanium manganin, the combination of one or more in chromiumcopper and iron-nickel-chromium.
Described heating pattern is shaped as the global shape consistent with well heater profile or by some strips, the bulk alloy material shape forming that is connected.
Described extraction electrode is conducting metal, conductive non-metals material.
Described extraction electrode is identical with used alloy material.Beneficial effect of the present invention:
The present invention provides multiple choices for heating material and well heater preparation technology; By the design of different heating device figure, well heater distributes and can control more accurately liquid crystal display heating-up temperature, has solved the even problem of liquid crystal display temperature distributing disproportionation in low-temperature heat process, and then improves the efficiency of heating surface; Can be good at solving the low-temperature heat temperature distribution evenness problem of irregularly shaped LCD MODULE.
It is heating material that the present invention adopts high-resistivity alloy, the well heater of preparing by suitable Design Processing, in technique, having solved conventional alloy material film-forming temperature height can cause liquid crystal material to lose efficacy, ITO conductive layer conductance declines, the problems such as base material damage, by and interface fast cooling technique armor coated at substrate surface, realize the conductive layer at ITO, PMMA, PC, the film formation at low temp technique of the alloy material on the base material such as organic glass and liquid crystal display interface, quality of forming film is high, reliable and stable, there is the diversity of easy processing and processing, thoroughly solve that to be present in conventional heating device low-temperature heat process liquid crystal display temperature distributing disproportionation even, the problems such as graphic designs processing difficulties.
Accompanying drawing explanation
Fig. 1 is one of reinforced liquid crystal display module heater structure schematic diagram of the present invention.
Fig. 2 is two of reinforced liquid crystal display module heater structure schematic diagram of the present invention.
Fig. 3 is three of reinforced liquid crystal display module heater structure schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As Figure 1-3.
A preparation method for reinforced liquid crystal display module well heater, it comprises the following steps:
First, select glass, organic glass, PC, PMMA or polyimide film are as well heater substrate.And it is cleaned to and meets follow-up preparation requirement;
Secondly, in substrate, design and meet the heating pattern shape that adds heat request; Heating pattern shape can be the global shape (as Fig. 1) consistent with well heater profile, can, by some strips or the connected shape (Fig. 2) forming of bulk alloy material, can also be also the combination (as Fig. 3) of strip and blocky.Armor coated, wherein protective seam has lower gasification temperature, realizes the temperature control to becoming membrane interface by gasification.
The 3rd, utilize alloy material as heating material, by chemical vapor deposition, physical vapour deposition (PVD), mechanical press, mechanical lapping polishing, chemical polishing and electropolishing, forge, alloy material pattern that one or more combination in powder rolling and calendering technology method forms heating use in substrate; Alloy material can be manganin, constantan, nickel-chrome, Aludirome, aluminium Rhometal, cupronickel, low germanium manganin, the combination of one or more in chromiumcopper and iron-nickel-chromium.
The 4th, on the alloy material pattern of heating use, extraction electrode is to heating power supply.The electrode of drawing can be identical with alloy material material, also can be the electrode that not identical conducting metal or conductive non-metals material are prepared from.
Details are as follows:
Contrast Fig. 1, by the optical glass as substrate other substrates such as (or) polyimide films 12 and film forming, the alloy heating film 11 on optical glass other substrates such as (or) polyimide films 12 forms a kind of reinforced liquid crystal display module well heater 1, and prepares heating electrode and drawn by tinsel 13.
Contrast Fig. 2, a kind of reinforced liquid crystal display module well heater 2 designs film forming to the figure of heating material 20 and also directly draws by electrode 201 on substrate 12 on the basis of well heater 1.The mode of its graphic designs and extraction electrode is not limited to one.
Contrast Fig. 3, a kind of reinforced liquid crystal display module well heater 3, its profile designs according to the profile of LCD MODULE, by substrate 31, heating material 32, extraction electrode 323 forms.For different heating regions to heating material prepare the figure design that becomes more meticulous, show as 320,321,322 3 sections of zone of heating width inconsistent.
Example 1:
Selecting the optical glass of company of SHENZHEN NANBO is the substrate of preparing well heater, is cut into the size of 60mm × 60mm × 1mm.Optical glass substrate use isopropyl alcohol and pure water solution ultrasonic cleaning 5 minutes, then use UV and ozone clean 30 minutes.After cleaning, optical glass substrate is processed 10 minutes at the vacuum ionic medium that is not more than 0.1 millitorr.
Apply one deck low-temperature protection layer by spin coating proceeding at optical glass surface, low-temperature protection layer can adopt GPF (General Protection False material, and the thickness of protective seam should be controlled between 10-30 micron, and preferably 20 microns, thickness evenness approximately 98%.
Adopt physical gas-phase deposition by film forming on chromiumcopper sputter and optical glass, regulate alloy target material and the about 30cm of light glass distance, the about 1A/s of sputter speed.Form the heating film of 10nm left and right thickness.
Finally, adopting ACF heat pressing process to prepare copper BUS electrode draws.
Example 2:
The constantan paper tinsel that one side is covered to polyimide film is cut into the size of 50mm × 50mm, pre-fixes on the glass substrate of same size, with isopropyl alcohol and pure water solution ultrasonic cleaning 5 minutes, then uses UV and ozone clean 30 minutes.After cleaning, process 10 minutes at the vacuum ionic medium that is not more than 0.1 millitorr.
For the requirement design zone of heating figure of this size liquid crystal display low-temperature heat temperature distribution evenness, processing mask plate.
Then by spin coating, photoetching, the zone of heating figure of the technique preparation designs such as etching, welds and draws heating electrode with metal wire, the preparation of taking off the constantan paper tinsel pre-fixing and complete well heater from glass substrate.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (6)
1. a preparation method for reinforced liquid crystal display module well heater, is characterized in that it comprises the following steps:
First, select glass, organic glass, PC, PMMA or polyimide film are as well heater substrate; And it is cleaned to and meets follow-up preparation requirement;
Secondly, in substrate, design and meet the heating pattern shape that adds heat request;
The 3rd, utilize alloy material as heating material, by chemical vapor deposition, physical vapour deposition (PVD), mechanical press, mechanical lapping polishing, chemical polishing and electropolishing, forge, alloy material pattern that one or more combination in powder rolling and calendering technology method forms heating use in substrate;
The 4th, on the alloy material pattern of heating use, extraction electrode is to heating power supply.
2. method according to claim 1, is characterized in that described alloy material is manganin, constantan, nickel-chrome, Aludirome, aluminium Rhometal, cupronickel, low germanium manganin, the combination of one or more in chromiumcopper and iron-nickel-chromium.
3. method according to claim 1, is characterized in that described heating pattern is shaped as the global shape consistent with well heater profile or by some strips, the bulk alloy material shape forming that is connected.
4. method according to claim 1, is characterized in that described extraction electrode is conducting metal, conductive non-metals material.
5. method according to claim 1, is characterized in that described extraction electrode is identical with used alloy material.
6. method according to claim 1, first applies the low-temperature protection layer that a layer thickness is 10-30 micron before it is characterized in that in substrate forming the alloy material pattern of heating use.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310691176.1A CN103777394A (en) | 2013-12-17 | 2013-12-17 | Manufacturing method for reinforcement type liquid crystal display module |
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| CN201310691176.1A CN103777394A (en) | 2013-12-17 | 2013-12-17 | Manufacturing method for reinforcement type liquid crystal display module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824333A (en) * | 2016-05-17 | 2016-08-03 | 中航华东光电有限公司 | Heating control method of special-shaped liquid crystal display module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030124866A1 (en) * | 2001-12-31 | 2003-07-03 | Lg.Philips Lcd Co., Ltd. | Method and apparatus for forming pattern using printing method |
| US6747413B2 (en) * | 1999-12-29 | 2004-06-08 | Honeywell International Inc. | Display cold spot temperature regulator |
| CN201374824Y (en) * | 2009-03-19 | 2009-12-30 | 北京宏宇航天技术有限公司 | Film type electrical heater |
| CN101923233A (en) * | 2009-06-09 | 2010-12-22 | 友达光电股份有限公司 | Liquid crystal display and panel heater used in same |
| CN102879936A (en) * | 2012-10-15 | 2013-01-16 | 中航华东光电有限公司 | Uniform heating device applied to liquid crystal display and liquid crystal display |
-
2013
- 2013-12-17 CN CN201310691176.1A patent/CN103777394A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6747413B2 (en) * | 1999-12-29 | 2004-06-08 | Honeywell International Inc. | Display cold spot temperature regulator |
| US20030124866A1 (en) * | 2001-12-31 | 2003-07-03 | Lg.Philips Lcd Co., Ltd. | Method and apparatus for forming pattern using printing method |
| CN201374824Y (en) * | 2009-03-19 | 2009-12-30 | 北京宏宇航天技术有限公司 | Film type electrical heater |
| CN101923233A (en) * | 2009-06-09 | 2010-12-22 | 友达光电股份有限公司 | Liquid crystal display and panel heater used in same |
| CN102879936A (en) * | 2012-10-15 | 2013-01-16 | 中航华东光电有限公司 | Uniform heating device applied to liquid crystal display and liquid crystal display |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824333A (en) * | 2016-05-17 | 2016-08-03 | 中航华东光电有限公司 | Heating control method of special-shaped liquid crystal display module |
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Application publication date: 20140507 |
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