JPH02275984A - 液晶プロジェクタ - Google Patents
液晶プロジェクタInfo
- Publication number
- JPH02275984A JPH02275984A JP2073554A JP7355490A JPH02275984A JP H02275984 A JPH02275984 A JP H02275984A JP 2073554 A JP2073554 A JP 2073554A JP 7355490 A JP7355490 A JP 7355490A JP H02275984 A JPH02275984 A JP H02275984A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- light source
- display panel
- crystal display
- infrared
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 80
- 238000005286 illumination Methods 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Projection Apparatus (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2073554A JPH02275984A (ja) | 1990-03-26 | 1990-03-26 | 液晶プロジェクタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2073554A JPH02275984A (ja) | 1990-03-26 | 1990-03-26 | 液晶プロジェクタ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5076030A Division JP2569955B2 (ja) | 1993-04-02 | 1993-04-02 | プロジェクタ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02275984A true JPH02275984A (ja) | 1990-11-09 |
JPH0427552B2 JPH0427552B2 (en]) | 1992-05-12 |
Family
ID=13521579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2073554A Granted JPH02275984A (ja) | 1990-03-26 | 1990-03-26 | 液晶プロジェクタ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02275984A (en]) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2002056110A1 (ja) * | 2001-01-15 | 2004-05-20 | セイコーエプソン株式会社 | プロジェクタ |
JP2005284138A (ja) * | 2004-03-30 | 2005-10-13 | Seiko Epson Corp | 光学装置およびプロジェクタ |
USRE40296E1 (en) | 1991-02-22 | 2008-05-06 | Seiko Epson Corporation | Projection type liquid crystal projector |
US7598939B2 (en) | 2001-10-23 | 2009-10-06 | Nec Corporation | Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlight |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57170175U (en]) * | 1981-04-17 | 1982-10-26 | ||
JPS60179723A (ja) * | 1984-02-27 | 1985-09-13 | Sharp Corp | 液晶プロジエクシヨン装置 |
-
1990
- 1990-03-26 JP JP2073554A patent/JPH02275984A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57170175U (en]) * | 1981-04-17 | 1982-10-26 | ||
JPS60179723A (ja) * | 1984-02-27 | 1985-09-13 | Sharp Corp | 液晶プロジエクシヨン装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE40296E1 (en) | 1991-02-22 | 2008-05-06 | Seiko Epson Corporation | Projection type liquid crystal projector |
USRE42740E1 (en) | 1991-02-22 | 2011-09-27 | Seiko Epson Corporation | Projector |
JPWO2002056110A1 (ja) * | 2001-01-15 | 2004-05-20 | セイコーエプソン株式会社 | プロジェクタ |
US7598939B2 (en) | 2001-10-23 | 2009-10-06 | Nec Corporation | Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlight |
US8599125B2 (en) | 2001-10-23 | 2013-12-03 | Getner Foundation Llc | Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlight |
US9111495B2 (en) | 2001-10-23 | 2015-08-18 | Getner Foundation Llc | Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlight |
JP2005284138A (ja) * | 2004-03-30 | 2005-10-13 | Seiko Epson Corp | 光学装置およびプロジェクタ |
Also Published As
Publication number | Publication date |
---|---|
JPH0427552B2 (en]) | 1992-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |