CN102289100A - Liquid crystal display device suitable for night vision device - Google Patents
Liquid crystal display device suitable for night vision device Download PDFInfo
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- CN102289100A CN102289100A CN2010102044010A CN201010204401A CN102289100A CN 102289100 A CN102289100 A CN 102289100A CN 2010102044010 A CN2010102044010 A CN 2010102044010A CN 201010204401 A CN201010204401 A CN 201010204401A CN 102289100 A CN102289100 A CN 102289100A
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- liquid crystal
- infrared light
- optical filter
- guide plate
- crystal indicator
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Abstract
The invention provides a liquid crystal display device suitable for a night vision device. The liquid crystal display device provided by the invention comprises a light guide plate, a backlight lamp source, a brightness enhancement sheet, a diffusion sheet and an infrared light filter sheet, wherein the infrared light filter sheet is arranged between the backlight lamp source and the light guide plate. The liquid crystal display device suitable for the night vision device provided by the invention can be used for effectively filtering the infrared light components of the backlight lamp source, so that the night vision device can still distinguish the character and picture information on the display device under the condition of saturated overexposure, thus the liquid crystal display device can be used by night vision users conveniently and has low price.
Description
[technical field]
The present invention relates to a kind of display device, particularly a kind of liquid crystal indicator that is applicable to the starlight night vision goggles.
[background technology]
In most application, LCD is all with two naked information that the top shows that read of looking.Yet, in some special application feature, for example warning usefulness, fire-fighting or military affairs, the user need wear special night-vision devices and observe figure, literal or the dynamic image that LCD presents.General present employed night-vision devices use three generations's image intensifier tube (Image Intensifier) mostly, and it is in the gain in visible light red light district and the infrared light district gain much larger than green glow and blue light region.Therefore, when using night-vision devices to watch LCD, need to reduce the radiation of display ruddiness and infrared light, to avoid image intensifier tube that the light signal is excessively amplified and to damage.
The normal optical filter that uses a kind of tool to filter the ruddiness effect of night-vision devices user is attached at it on glass or the plastic base, and then it is placed on the LCD at present.Yet this use-pattern has following three kinds of shortcomings at least:
1, when LCD has touch controllable function, the user can't see through this optical filter and use this function;
2, need carry this optical filter and properly preservation;
3, price is high, and general 12.1 cun optical filter price is up to 1,000 U.S. dollars.
[summary of the invention]
In view of this, the object of the present invention is to provide a kind of night vision user use and cheap liquid crystal indicator of making things convenient for.
In order to achieve the above object, the invention provides a kind of liquid crystal indicator that is applicable to night-vision devices, this liquid crystal indicator comprises:
One light guide plate;
One backlight source is arranged on the side of this light guide plate;
One blast sheet is arranged on the top of this light guide plate;
One diffusion sheet is arranged on the top of blast sheet; And
One infrared light optical filter, this infrared light optical filter is arranged between this backlight source and the light guide plate.
In order to achieve the above object, the present invention also provides a kind of liquid crystal indicator that is applicable to night-vision devices, and this liquid crystal indicator comprises:
One light guide plate;
One backlight source is arranged on the side of this light guide plate;
One blast sheet is arranged on the top of this light guide plate;
One diffusion sheet is arranged on the top of blast sheet;
One liquid-crystalline glasses is arranged on the top of this diffusion sheet; And
One infrared light optical filter film, this infrared light optical filter film vapor deposition or sputter under the liquid-crystalline glasses or on.
In order to achieve the above object, the present invention also provides a kind of liquid crystal indicator that is applicable to night-vision devices, and this liquid crystal indicator comprises:
One light guide plate;
One backlight source is arranged on the side of this light guide plate;
One blast sheet is arranged on the top of this light guide plate;
One diffusion sheet is arranged on the top of blast sheet;
Polaroid once is arranged on the top of this diffusion sheet;
One liquid-crystalline glasses is arranged on the top of this time polaroid;
Polaroid on one is arranged on the top of this liquid-crystalline glasses; And
One infrared light optical filter, this infrared light optical filter are attached at down between polaroid and the liquid-crystalline glasses or descend under the polaroid, or go up between polarisation and the liquid-crystalline glasses, or go up on the polarisation.
Compared to prior art, the present invention is applicable to that the liquid crystal indicator of night-vision devices can effectively filter the infrared light composition in backlight source, or penetrate the infrared light composition of liquid-crystalline glasses, therefore make night-vision devices can't not differentiate literal and the image information on the display, thereby can make things convenient for the night vision user to use and less expensive because of overexposure is saturated.
[description of drawings]
Fig. 1 illustrates the synoptic diagram of first better embodiment that the present invention is applicable to the liquid crystal indicator of night-vision devices.
Fig. 2 illustrates the synoptic diagram of second better embodiment that the present invention is applicable to the liquid crystal indicator of night-vision devices.
Fig. 3 illustrates the synoptic diagram of the 3rd better embodiment that the present invention is applicable to the liquid crystal indicator of night-vision devices.
Fig. 4 illustrates the synoptic diagram of the 4th better embodiment that the present invention is applicable to the liquid crystal indicator of night-vision devices.
[embodiment]
Below accompanying drawings and better embodiment describe in further detail the present invention:
Please refer to Fig. 1, the present invention is applicable to that first better embodiment of the liquid crystal indicator of night-vision devices comprises light guide plate 10, infrared light optical filter 20, backlight source 30, blast sheet 40 and diffusion sheet 50.Wherein, this backlight source 30 is arranged on the side of light guide plate 10, and this blast sheet 40 is arranged on the top of this light guide plate 10, and this diffusion sheet 50 is arranged on the top of blast sheet 40, and this infrared light optical filter 20 is arranged between this backlight source 30 and the light guide plate 10.
Wherein, this infrared light optical filter 20 can be with full dielectric material evaporation or sputter optical thin film in glass, PMMA (Polymethyl Methacrylate, polymethylmethacrylate) or PC (Polycarbonate, polycarbonate) the reflection-type infrared light optical filter of substrate, or the above-mentioned all-dielectric optically mentioned learned the direct evaporation of film or sputter in the light guide plate incidence surface.This infrared light optical filter 20 can also be for being base material with the smalt, attached absorption-type infrared light optical filter with antireflective optical film (AR-coating), or be base material with the smalt, the attached compound infrared light optical filter of learning film with all-dielectric optically.In addition, also infrared fileter 20 can also be with PET (polyethylene terephthalate, polyethylene terephthalate), TAC (Triafol T, Triacetyl Cellulose), cyclic olefin polymer (Zeonor) or PC be the film-type infrared light optical filter of base material, or directly the infrared ray absorbing material is coated the light guide plate incidence surface and is formed.
Please refer to Fig. 2, the present invention is applicable to that second better embodiment of the night vision display device of night-vision devices comprises light guide plate 10, infrared light optical filter film 21, backlight source 30, blast sheet 40, diffusion sheet 50 and liquid-crystalline glasses 60 (Open Cell).Wherein, this liquid-crystalline glasses 60 is arranged on the top of this diffusion sheet 50, and these full medium infrared light optical filter film 21 evaporations or sputter are under liquid-crystalline glasses 60.
Please refer to Fig. 3, the present invention is applicable to that the 3rd better embodiment of the night vision display device of night-vision devices comprises light guide plate 10, infrared light optical filter film 22, backlight source 30, blast sheet 40, diffusion sheet 50 and liquid-crystalline glasses 60.Wherein, these full medium infrared light optical filter film 22 evaporations or sputter are on liquid-crystalline glasses 60.
Please refer to Fig. 4, the present invention is applicable to that the 4th better embodiment of the night vision display device of night-vision devices comprises light guide plate 10, backlight source 30, blast sheet 40, diffusion sheet 50, liquid-crystalline glasses 60, following polaroid 70 and goes up polaroid 80.Wherein, this time polaroid 70 is arranged on the below of this liquid-crystalline glasses 60, should go up polaroid 80 and be arranged on the top of this liquid-crystalline glasses 60, be that the film-type infrared light optical filter (figure does not show) of base material is attached at down between polaroid 70 and the liquid-crystalline glasses 60 or under time polaroid 70 with PET, TAC, Zeonor or PC; Or go up between polarisation 80 and the liquid-crystalline glasses 60, or go up on the polarisation 80; Or directly the infrared ray absorbing material is coated on the liquid-crystalline glasses 60 or under.
The present invention is applicable to that the liquid crystal indicator of night-vision devices can effectively filter the infrared light composition in backlight source 30, or penetrate the infrared light composition of liquid-crystalline glasses 60, therefore make night-vision devices can't not differentiate literal and the image information on the display, thereby can make things convenient for the night vision user to use and less expensive because of overexposure is saturated.
Claims (8)
1. a liquid crystal indicator that is applicable to night-vision devices is characterized in that, this liquid crystal indicator comprises:
One light guide plate;
One backlight source is arranged on the side of this light guide plate;
One blast sheet is arranged on the top of this light guide plate;
One diffusion sheet is arranged on the top of blast sheet; And
One infrared light optical filter, this infrared light optical filter is arranged between this backlight source and the light guide plate.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: this infrared light optical filter is in the reflection-type infrared light optical filter of glass, polymethylmethacrylate or polycarbonate substrate with full dielectric material evaporation or sputter optical thin film.
3. liquid crystal indicator as claimed in claim 1 is characterized in that: this infrared light optical filter is to be base material with the smalt, attached absorption-type infrared light optical filter with the antireflective optical film.
4. liquid crystal indicator as claimed in claim 1 is characterized in that: this infrared light optical filter is to be base material with the smalt, the attached compound infrared light optical filter of learning film with all-dielectric optically.
5. liquid crystal indicator as claimed in claim 1 is characterized in that: this infrared fileter is to be the film-type infrared light optical filter of base material with polyethylene terephthalate, Triafol T, cyclic olefin polymer or polycarbonate.
6. a liquid crystal indicator that is applicable to night-vision devices is characterized in that, this liquid crystal indicator comprises:
One light guide plate;
One backlight source is arranged on the side of this light guide plate;
One blast sheet is arranged on the top of this light guide plate;
One diffusion sheet is arranged on the top of blast sheet;
One liquid-crystalline glasses is arranged on the top of this diffusion sheet; And
One infrared light optical filter film, this infrared light optical filter film vapor deposition or sputter under the liquid-crystalline glasses or on.
7. a liquid crystal indicator that is applicable to night-vision devices is characterized in that, this liquid crystal indicator comprises:
One light guide plate;
One backlight source is arranged on the side of this light guide plate;
One blast sheet is arranged on the top of this light guide plate;
One diffusion sheet is arranged on the top of blast sheet;
Polaroid once is arranged on the top of this diffusion sheet;
One liquid-crystalline glasses is arranged on the top of this time polaroid;
Polaroid on one is arranged on the top of this liquid-crystalline glasses; And
One infrared light optical filter, this infrared light optical filter are attached between this time polaroid and this liquid-crystalline glasses or under this time polaroid, or should go up between polarisation and this liquid-crystalline glasses, or should on polarisation.
8. liquid crystal indicator as claimed in claim 7 is characterized in that: this infrared fileter is to be the film-type infrared light optical filter of base material with polyethylene terephthalate, Triafol T, cyclic olefin polymer or polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102044010A CN102289100A (en) | 2010-06-21 | 2010-06-21 | Liquid crystal display device suitable for night vision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102044010A CN102289100A (en) | 2010-06-21 | 2010-06-21 | Liquid crystal display device suitable for night vision device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102289100A true CN102289100A (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102044010A Pending CN102289100A (en) | 2010-06-21 | 2010-06-21 | Liquid crystal display device suitable for night vision device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102289100A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070206A (en) * | 2015-09-22 | 2015-11-18 | 京东方科技集团股份有限公司 | Display device |
| CN108649135A (en) * | 2018-04-26 | 2018-10-12 | 天津通广集团振通电子有限公司 | A kind of night viewing compatible implementation method based on OLED display screen |
| CN109407314A (en) * | 2018-11-05 | 2019-03-01 | 青岛小鸟看看科技有限公司 | Virtual reality device |
| CN112558357A (en) * | 2020-12-25 | 2021-03-26 | 深圳市给力光电有限公司 | High-efficiency eye protection LED liquid crystal display module capable of being used in night scene |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934793A (en) * | 1988-06-07 | 1990-06-19 | Mcdonnell Douglas Corporation | NVG compatible LCD |
| CN1399304A (en) * | 2001-07-23 | 2003-02-26 | 旭硝子株式会社 | Planar display board |
| CN1996119A (en) * | 2005-11-24 | 2007-07-11 | 住友化学株式会社 | Wavelength-selective light-absorbing optical element |
| CN101581807A (en) * | 2009-06-23 | 2009-11-18 | 安徽华东光电技术研究所 | Special filter plate and night viewing compatible backlight optical membrane group |
| CN201740950U (en) * | 2010-06-21 | 2011-02-09 | 神讯电脑(昆山)有限公司 | Liquid crystal display device applicable to night vision devices |
-
2010
- 2010-06-21 CN CN2010102044010A patent/CN102289100A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934793A (en) * | 1988-06-07 | 1990-06-19 | Mcdonnell Douglas Corporation | NVG compatible LCD |
| CN1399304A (en) * | 2001-07-23 | 2003-02-26 | 旭硝子株式会社 | Planar display board |
| CN1996119A (en) * | 2005-11-24 | 2007-07-11 | 住友化学株式会社 | Wavelength-selective light-absorbing optical element |
| CN101581807A (en) * | 2009-06-23 | 2009-11-18 | 安徽华东光电技术研究所 | Special filter plate and night viewing compatible backlight optical membrane group |
| CN201740950U (en) * | 2010-06-21 | 2011-02-09 | 神讯电脑(昆山)有限公司 | Liquid crystal display device applicable to night vision devices |
Non-Patent Citations (1)
| Title |
|---|
| 门金凤等: "夜视兼容近红外吸收滤光片的研究进展", 《材料导报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070206A (en) * | 2015-09-22 | 2015-11-18 | 京东方科技集团股份有限公司 | Display device |
| CN105070206B (en) * | 2015-09-22 | 2018-01-19 | 京东方科技集团股份有限公司 | A kind of display device |
| CN108649135A (en) * | 2018-04-26 | 2018-10-12 | 天津通广集团振通电子有限公司 | A kind of night viewing compatible implementation method based on OLED display screen |
| CN109407314A (en) * | 2018-11-05 | 2019-03-01 | 青岛小鸟看看科技有限公司 | Virtual reality device |
| CN112558357A (en) * | 2020-12-25 | 2021-03-26 | 深圳市给力光电有限公司 | High-efficiency eye protection LED liquid crystal display module capable of being used in night scene |
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Application publication date: 20111221 |