JPH01164478U - - Google Patents
Info
- Publication number
- JPH01164478U JPH01164478U JP6024988U JP6024988U JPH01164478U JP H01164478 U JPH01164478 U JP H01164478U JP 6024988 U JP6024988 U JP 6024988U JP 6024988 U JP6024988 U JP 6024988U JP H01164478 U JPH01164478 U JP H01164478U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal panel
- light source
- case
- panel
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 238000007796 conventional method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の実施例の縦断側面図、第２図
は本考案の従来方式とを比較するための使用時間
と液晶パネル上昇温度の相関測定結果のグラフ、
第３図は従来の液晶プロジエクタの縦断側面図で
ある。
１……液晶パネル、２，２′……偏光板、３…
…投影レンズ、４……光源ランプ、５……パラボ
ラリフレクタ、６……赤外線除去フイルタ、７…
…ケース、８……断熱壁、９……スクリーン。
FIG. 1 is a longitudinal side view of an embodiment of the present invention, and FIG. 2 is a graph of the correlation measurement results of usage time and temperature rise of the liquid crystal panel for comparison with the conventional method of the present invention.
FIG. 3 is a longitudinal sectional side view of a conventional liquid crystal projector. 1...Liquid crystal panel, 2, 2'...Polarizing plate, 3...
...projection lens, 4...light source lamp, 5...parabolic reflector, 6...infrared removal filter, 7...
...Case, 8...Insulated wall, 9...Screen.
Claims (1)
ルの後方に配置されて前記液晶パネルを裏面側か
ら照明する光源部と、前記ケースの前面部に、前
記液晶表示パネルの表示像をスクリーン面に拡大
投影する投影レンズを設けた液晶プロジエクタに
おいて、少なくとも光源側の偏光板と液晶パネル
間に間隙が設けられていることを特徴とする液晶
プロジエクタ。 A transmissive liquid crystal panel is disposed inside the case, a light source section is arranged behind the liquid crystal panel to illuminate the liquid crystal panel from the back side, and a display image of the liquid crystal display panel is enlarged on the screen surface in the front part of the case. A liquid crystal projector equipped with a projection lens for projecting images, characterized in that a gap is provided between at least a polarizing plate on the light source side and a liquid crystal panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6024988U JPH01164478U (en) | 1988-05-07 | 1988-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6024988U JPH01164478U (en) | 1988-05-07 | 1988-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01164478U true JPH01164478U (en) | 1989-11-16 |
Family
ID=31285965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6024988U Pending JPH01164478U (en) | 1988-05-07 | 1988-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01164478U (en) |
-
1988
- 1988-05-07 JP JP6024988U patent/JPH01164478U/ja active Pending