CN1821843A - Liquid crystal display module and its packaging structure - Google Patents
Liquid crystal display module and its packaging structure Download PDFInfo
- Publication number
- CN1821843A CN1821843A CN 200510009352 CN200510009352A CN1821843A CN 1821843 A CN1821843 A CN 1821843A CN 200510009352 CN200510009352 CN 200510009352 CN 200510009352 A CN200510009352 A CN 200510009352A CN 1821843 A CN1821843 A CN 1821843A
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- China
- Prior art keywords
- liquid crystal
- crystal panel
- encapsulating structure
- heating radiator
- cover plate
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Abstract
This invention provides a package structure used in packing a liquid crystal panel including a radiator for playing said liquid crystal panel, a transparent cover plate set above the panel and an enveloping gel sealing the panel in the package structure.
Description
Technical field
The present invention relates to a kind of encapsulating structure, particularly a kind of encapsulating structure that the LCoS liquid crystal panel can be sealed.
Background technology
(Liquid Crystal on Silicon, LCoS) display is the novel reflected displaying device of a class to the silicon liquid crystal, is semiconductor VLSI technology and lcd technology combination technology product.What be different from liquid crystal display panel of thin film transistor (TFT-LCD) is, TFT-LCD up and down two faces all with glass as substrate, but above only having, adopts the LCoS display glass, beneath substrate is based on Semiconducting Silicon Materials, because the LCoS display can utilize conventional CMOS (Complementary Metal Oxide Semiconductor) (Complementary MetalOxide Semiconductor, CMOS) technology is produced in a large number, and can be further microminiaturized with development of semiconductor, improve resolution simultaneously, the LCoS display will possess low-power consumption, miniature sizes, characteristics such as ultra-light-weight, therefore be widely used in mobile computer, on the portable type information products such as personal digital assistant, even the existing trend that replaces the cathode ray tube (CRT) monitor of conventional desktop computer gradually.
Please refer to Fig. 1, Fig. 1 is the LCoS encapsulating structure figure of prior art.LCoS LCD MODULE 10 shown in Figure 1 comprises that liquid crystal panel 12 and flexible printed wiring board 16 form.Flexible printed wiring board 16 electric coupling liquid crystal panels 12, and transmit signal of video signal for liquid crystal panel 12 display frames.The LCoS LCD MODULE 10 of prior art there is no suitable packaging structure, therefore, liquid crystal panel 12 contacts with external environment fully, causes liquid crystal panel 12 and is subjected to materials such as aqueous vapor and dust to influence product quality and optical effect easily with flexible printed wiring board 16.
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of the liquid-crystal projecting displaying device 20 of prior art.Liquid-crystal projecting displaying device 20 shown in Figure 2 comprises light source 22, liquid crystal panel 24, spectroscope (PolarizationBeam Splitter, PBS) 26 and optical lens 28.Liquid crystal panel 24 is a LCoS panel.Again to liquid crystal panel 24, this light of liquid crystal panel 24 modulations and reflected back spectroscope 26, the light behind the modulation are through spectroscope 26 and optical lens 28 via spectroscope 26 for the light of light source 22, and last projection is in screen 29, and just can see image at screen 29 this moment.When liquid crystal projection apparatus 20 uses the LCoS panel,, need to supply with strong illumination LCoS panel for projection goes out enough brightness and image.Therefore, the LCoS panel often produces high heat because of the irradiation of high light, causes the quality of LCoS panel to change, and influences optical characteristics.
Yet present LCoS display is because of directly being exposed among the air, and the aqueous vapor in the environment, dust fall influence the fiduciary level of its quality easily.So the package design of LCoS display still has improved necessity at present.
Summary of the invention
For addressing the above problem, the purpose of this invention is to provide a kind of encapsulating structure of liquid crystal panel, particularly a kind of encapsulating structure that the LCoS liquid crystal panel can be sealed.
Another object of the present invention provides a kind of LCD MODULE of liquid crystal panel, the particularly a kind of LCoS of sealing liquid crystal panel and have the LCD MODULE of heating radiator.
The invention provides a kind of encapsulating structure, in order to encapsulate a liquid crystal panel, this encapsulating structure comprises: a heating radiator, this liquid crystal panel are installed on this heating radiator, and this heating radiator is used for making this liquid crystal panel cooling; And a transparent cover plate, be positioned at this liquid crystal panel top.A kind of encapsulating structure in order to encapsulate a liquid crystal panel, comprising: a heating radiator, in order to place this liquid crystal panel; And a transparent cover plate, be positioned at this liquid crystal panel top.This encapsulating structure utilizes a sealing that this liquid crystal panel is sealed between this transparent cover plate and this heating radiator, and couples this liquid crystal panel with a circuit carrier, to transmit signal of video signal.
In encapsulating structure of the present invention, this transparent cover plate is that glass is made, and this heating radiator is that metal is made, and with one first sealing and one second sealing this transparent cover plate and this heating radiator is coupled sealing, and this first sealing is a UV glue, and this second sealing is a marine glue.
The present invention also provides a kind of display device, and it comprises: a liquid crystal panel; One transparent cover plate is positioned at this liquid crystal panel top; And a heating radiator, this liquid crystal panel is installed on this heating radiator, and this heating radiator is used for making this liquid crystal panel cooling.A kind of LCD MODULE comprises: a liquid crystal panel; One heating radiator is in order to place this liquid crystal panel; And a transparent cover plate, be positioned at this liquid crystal panel top.This LCD MODULE is sealed in this liquid crystal panel between this transparent cover plate and this heating radiator with a sealing.This LCD MODULE also couples liquid crystal panel with a circuit carrier, to transmit signal of video signal.
The present invention also provides a kind of display device, and it comprises: a silicon liquid crystal panel, and wherein this silicon liquid crystal panel has a colored filter; And a heating radiator, this liquid crystal panel is installed on this heating radiator, and this heating radiator is used for making this liquid crystal panel cooling.The color of this colored filter is by selecting in Red Green Blue or its combination in any.
Description of drawings
For the present invention is become apparent, now with a preferred embodiment, and conjunction with figs. is described in detail below.
Fig. 1 is the LCoS encapsulating structure figure of prior art.
Fig. 2 is the projection display equipment synoptic diagram of prior art.
Fig. 3 is the exploded view of LCoS encapsulating structure of the present invention.
Fig. 4 is the constitutional diagram of the LCoS encapsulating structure of Fig. 3.
Fig. 5 is the part sectioned view of Fig. 4 along 55 ' section.
Fig. 6 is the part sectioned view of another embodiment of LCoS encapsulating structure of the present invention.
Fig. 7 is the part sectioned view of LCoS encapsulating structure joint of the present invention.
Description of reference numerals
10 LCD MODULE, 12 liquid crystal panels
16 flexible printed wiring boards, 20 projection display equipments
22 light sources, 24 liquid crystal panels
26 spectroscopes, 28 optical lens
29 screens, 30 LCD MODULE
32 transparent cover plates, 33 light shields
34 liquid crystal panels, 36 circuit carriers
38 heating radiators, 59 supporters
71 sealings, 72 marine glues
Embodiment
Please refer to Fig. 3 and Fig. 4.Fig. 3 is the exploded view of LCoS encapsulating structure of the present invention.LCD MODULE 30 comprises transparent cover plate 32, liquid crystal panel 34, circuit carrier 36 and heating radiator (heatsink) 38, and wherein transparent cover plate 32 also comprises light shield 33.As dustproof, antireflection and scratch resistant usefulness, light shield 33 enters within the LCD MODULE 30 to stop unnecessary light in order to cover transparent cover plate 32, avoids influencing optical effect in order to Masking sol crystal panel 34.Liquid crystal panel 34 couples circuit carrier 36, and the signal of video signal show image that transmits according to circuit carrier 36.Liquid crystal panel 34 is fixed on the heating radiator 38, and heating radiator 38 is in order to the high warm that dissipation Liquid Crystal Module 30 is produced during strong illumination, avoids Liquid Crystal Module 30 Yin Gaore and produces quality and change, and influences optical characteristics.Heating radiator 38 also has a breach, extends to Liquid Crystal Module 30 outsides in order to circuit carrier 36.
Wherein transparent cover plate 32 is a glass, light shield 33 is for being printed on photomask on glass, liquid crystal panel 34 is silicon liquid crystal panel (Liquid Crystal on Silicon Panel, LCoS Panel), circuit carrier 36 is flexible circuit board (Flexible Printed Circuit, FPC), heating radiator 38 is that aluminium or copper are made.Wherein, the clearance that liquid crystal panel 34 and transparent cover plate are 32 also can form another insulator with thermal isolation.And liquid crystal panel 34 also can be a kind of silicon liquid crystal panel with colored filter 40, and the color of this colored filter 40 is by selecting in Red Green Blue or its combination in any.Yet those skilled in the art should understand, and above-mentioned material only should be as the usefulness of restriction for one embodiment of the invention with structure.
Please refer to Fig. 5.Fig. 5 is the part sectioned view of Fig. 4 along 55 ' section, is simplified illustration, and identical member is represented with identical Reference numeral.Supporter 59 is in order to filling up the breach of heating radiator 38, and has the function that supports transparent cover plate 32.When heating radiator 38 does not have the breach design of the 3rd figure, then do not need supporter 59, but circuit carrier 36 palpus flexibles are to cross the obstruct wall (Wall) of heating radiator 38.Sealing (not drawing) makes liquid crystal panel 34 be sealed in the LCD MODULE 30 in order to transparent cover plate 32, supporter 59 and heating radiator 38 are binded, and reaching waterproof and dustproof, airtight and the purpose of dispelling the heat, and further specifies in subsequent paragraph.
Please refer to Fig. 6.Fig. 6 is the part sectioned view of another embodiment of LCoS encapsulating structure of the present invention.The LCD MODULE 30 that Fig. 4 illustrated and the LCD MODULE 60 main difference parts that Fig. 6 is illustrated are that transparent cover plate 32 engages with liquid crystal panel 34 and do not have clearance (Air Gap), form dual clearance (DoubleAir Gap) when (not drawing) when avoiding LCD MODULE 30 tops to couple another optical module, cause overall optical characteristics to change with clearance.If transparent cover plate 32 is not engaged with liquid crystal panel 34,, LCD MODULE 30 sealed space are kept near vacuum state for avoiding this air gap issues.
Please refer to Fig. 7.Fig. 7 is the part sectioned view of LCoS encapsulating structure joint of the present invention.LCoS encapsulating structure of the present invention binds to be sentenced sealing 71 transparent cover plate 32, supporter 59 (not drawing) is binded with heating radiator 38, makes liquid crystal panel 34 be sealed in the LCD MODULE 30, to reach waterproof and dustproof, airtight and the purpose of dispelling the heat.Sealing 71 can be the UV glue of epoxy resin (epoxy) UV glue or siliceous (silicon basic), in addition, also can be coated with the periphery of marine glue 72 in joint, to reach waterproof and dustproof and airtight purpose really.
Compared with prior art, encapsulating structure of the present invention is arranged at the purpose that reaches heat radiation on the heating radiator with the liquid crystal panel in the LCD MODULE, and is protected by a transparent cover plate.Such design can make the liquid crystal panel high heat of dissipation apace, and transparent cover plate also can prevent dust, antireflection, avoids influencing optical property.In addition, using dual sealing so that LCD MODULE reaches the requirement of impermeability and water proofing property, avoid external environment to influence product quality, is a simply and effectively design in fact.
The above only is the preferred embodiments of the present invention, yet it is non-in order to limit the present invention.The equivalence that those skilled in the art are done according to the present invention changes and modifies and all will drop in the appended claims restricted portion.
Claims (15)
1. encapsulating structure, in order to encapsulate a liquid crystal panel, described encapsulating structure comprises:
One heating radiator, described liquid crystal panel are installed on the described heating radiator, and described heating radiator is used for making described liquid crystal panel cooling to place described liquid crystal panel; And
One transparent cover plate is positioned at described liquid crystal panel top.
2. encapsulating structure as claimed in claim 1 wherein, also comprises a circuit carrier, the described liquid crystal panel of described circuit carrier electric coupling.
3. encapsulating structure as claimed in claim 1 wherein, also comprises a sealing, so that described liquid crystal panel is sealed between described transparent cover plate and the described heating radiator.
4. encapsulating structure as claimed in claim 1 wherein, also comprises a supporter, and described supporter is between described transparent cover plate and described heating radiator.
5. encapsulating structure as claimed in claim 1, wherein, described transparent cover plate and described liquid crystal panel couple.
6. encapsulating structure as claimed in claim 1 wherein, also comprises one first sealing, to couple described transparent cover plate and described heating radiator.
7. encapsulating structure as claimed in claim 6, wherein, described encapsulating structure inside is near vacuum.
8. encapsulating structure as claimed in claim 6, wherein, described first sealing is a UV glue.
9. encapsulating structure as claimed in claim 6 wherein, also comprises one second sealing, so that described liquid crystal panel is sealed between described transparent cover plate and the described heating radiator.
10. encapsulating structure as claimed in claim 9, wherein, described second sealing is a marine glue.
11. encapsulating structure as claimed in claim 1, wherein, described transparent cover plate also comprises a light shield, and described light shield is disposed at described transparent cover plate neighboring area.
12. encapsulating structure as claimed in claim 1, wherein, described liquid crystal panel is the silicon liquid crystal panel.
13. encapsulating structure as claimed in claim 12, wherein, described silicon liquid crystal panel also comprises a colored filter.
14. a display device, it comprises:
One silicon liquid crystal panel, wherein said silicon liquid crystal panel has a colored filter; And
One heating radiator, described liquid crystal panel are installed on the described heating radiator, and described heating radiator is used for making described liquid crystal panel cooling.
15. display device as claimed in claim 14, wherein, the color of described colored filter is by selecting in Red Green Blue or its combination in any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100093524A CN100535717C (en) | 2005-02-17 | 2005-02-17 | Liquid crystal display module and its packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100093524A CN100535717C (en) | 2005-02-17 | 2005-02-17 | Liquid crystal display module and its packaging structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1821843A true CN1821843A (en) | 2006-08-23 |
| CN100535717C CN100535717C (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100093524A Active CN100535717C (en) | 2005-02-17 | 2005-02-17 | Liquid crystal display module and its packaging structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107172A (en) * | 2010-11-01 | 2011-06-29 | 深圳市华星光电技术有限公司 | Frame sealant coating device and sealant supply method thereof |
| CN102314012A (en) * | 2010-06-29 | 2012-01-11 | 东莞万士达液晶显示器有限公司 | Display panel |
| CN101470291B (en) * | 2007-12-27 | 2013-01-02 | 精工电子有限公司 | Manufacturing method for display device |
| US11573442B2 (en) * | 2020-07-10 | 2023-02-07 | Schneider Electric Industries Sas | Module structure of liquid crystal display and manufacturing process of module structure |
-
2005
- 2005-02-17 CN CNB2005100093524A patent/CN100535717C/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470291B (en) * | 2007-12-27 | 2013-01-02 | 精工电子有限公司 | Manufacturing method for display device |
| CN102314012A (en) * | 2010-06-29 | 2012-01-11 | 东莞万士达液晶显示器有限公司 | Display panel |
| US8537307B2 (en) | 2010-06-29 | 2013-09-17 | Dongguan Masstop Liquid Crystal Display Co., Ltd. | Display panel having first and second liquid crystal layers and first and second active device arrays |
| CN102314012B (en) * | 2010-06-29 | 2014-08-13 | 东莞万士达液晶显示器有限公司 | Display panel |
| CN102107172A (en) * | 2010-11-01 | 2011-06-29 | 深圳市华星光电技术有限公司 | Frame sealant coating device and sealant supply method thereof |
| CN102107172B (en) * | 2010-11-01 | 2013-01-09 | 深圳市华星光电技术有限公司 | Frame sealant coating device and sealant supply method thereof |
| US11573442B2 (en) * | 2020-07-10 | 2023-02-07 | Schneider Electric Industries Sas | Module structure of liquid crystal display and manufacturing process of module structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100535717C (en) | 2009-09-02 |
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