JPS6442687A - Projection type color liquid crystal display device - Google Patents
Projection type color liquid crystal display deviceInfo
- Publication number
- JPS6442687A JPS6442687A JP19904487A JP19904487A JPS6442687A JP S6442687 A JPS6442687 A JP S6442687A JP 19904487 A JP19904487 A JP 19904487A JP 19904487 A JP19904487 A JP 19904487A JP S6442687 A JPS6442687 A JP S6442687A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- light beam
- crystal panel
- panel
- reaches
- 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.)
- Pending
Links
Abstract
PURPOSE: To disuse a polarizing film or an expensive active LCD and to realize bright and stable driving by using a phase transition type liquid crystal panel as a liquid crystal panel and providing a means for making parallel white light beams incident on the panel. CONSTITUTION: A white light beam from a light source 1 is turned into the parallel white light beams by a condensing lens 2 and reaches a half mirror 3. The 1st light beam reflected by the half mirror 3 reaches the phase transition type liquid crystal panel 6 via mirrors 4 and 5. The 2nd light beam transmitted reaches the phase transition type liquid crystal panel 7 and the 3rd light beam reflected reaches the phase transition type liquid crystal panel 10 via mirrors 8 and 9. After the red transmitted light beam R from the panel 6, the green transmitted light beam G from the panel 7 and the blue transmitted light beam B from the panel 10 pass through a dichroic prism 11, they are synthesized on a screen 13 by a projection lens 12. Thus, the bright and stable driving where the temperature rise of the liquid crystal panel is little is realized without using the polarizing film.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19904487A JPS6442687A (en) | 1987-08-11 | 1987-08-11 | Projection type color liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19904487A JPS6442687A (en) | 1987-08-11 | 1987-08-11 | Projection type color liquid crystal display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6442687A true JPS6442687A (en) | 1989-02-14 |
Family
ID=16401181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19904487A Pending JPS6442687A (en) | 1987-08-11 | 1987-08-11 | Projection type color liquid crystal display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6442687A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5384659A (en) * | 1992-04-20 | 1995-01-24 | Mitsubishi Denki Kabushiki Kaisha | Condenser lens, polarizing element, light source apparatus, and projection display apparatus |
US5572362A (en) * | 1992-04-20 | 1996-11-05 | Mitsubishi Denki Kabushiki Kaisha | Condenser lens, polarizing element, light source apparatus, and projection display apparatus |
-
1987
- 1987-08-11 JP JP19904487A patent/JPS6442687A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5384659A (en) * | 1992-04-20 | 1995-01-24 | Mitsubishi Denki Kabushiki Kaisha | Condenser lens, polarizing element, light source apparatus, and projection display apparatus |
US5572362A (en) * | 1992-04-20 | 1996-11-05 | Mitsubishi Denki Kabushiki Kaisha | Condenser lens, polarizing element, light source apparatus, and projection display apparatus |
US5613749A (en) * | 1992-04-20 | 1997-03-25 | Mitsubishi Denki Kabushiki Kaisha | Condenser lens, polarizing element, light source apparatus, and projection display apparatus |
US5662400A (en) * | 1992-04-20 | 1997-09-02 | Mitsubishi Denki Kabushiki Kaisha | Projection display system |
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