JPS62156914U - - Google Patents
Info
- Publication number
- JPS62156914U JPS62156914U JP4297586U JP4297586U JPS62156914U JP S62156914 U JPS62156914 U JP S62156914U JP 4297586 U JP4297586 U JP 4297586U JP 4297586 U JP4297586 U JP 4297586U JP S62156914 U JPS62156914 U JP S62156914U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display panel
- crystal display
- light source
- case
- 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 10
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図〜第３図はこの考案の一実施例を示した
もので、第１図は液晶プロジエクタの縦断側面図
、第２図および第３図は液晶表示パネルの裏面側
に設けた表示パネル冷却器の一部切開正面図およ
び縦断側面図である。第４図は従来の液晶プロジ
エクタの縦断側面図である。
１１…ケース、１２…投影レンズ、１３…液晶
表示パネル、１４…光源部、１５…光源ランプ、
１６…パラボラリフレクタ、１８…赤外線除去フ
イルタ、１９…断熱壁、１９ａ…光透過窓、２１
…表示パネル冷却器、Ｓ…スクリーン。
Figures 1 to 3 show an embodiment of this invention, with Figure 1 being a longitudinal cross-sectional side view of a liquid crystal projector, and Figures 2 and 3 showing a display panel provided on the back side of the liquid crystal display panel. FIG. 2 is a partially cutaway front view and a longitudinal side view of the cooler. FIG. 4 is a longitudinal sectional side view of a conventional liquid crystal projector. DESCRIPTION OF SYMBOLS 11... Case, 12... Projection lens, 13... Liquid crystal display panel, 14... Light source part, 15... Light source lamp,
16... Parabolic reflector, 18... Infrared removal filter, 19... Heat insulation wall, 19a... Light transmission window, 21
...Display panel cooler, S...screen.
Claims (1)
晶表示パネルの後方に配置されて前記液晶表示パ
ネルを裏面側から照明する光源部と、この光源部
からの照明光中の赤外線成分を除去するフイルタ
とを設けるとともに、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、前記ケース内を、前記光源部から液晶表
示パネルに向かう照明光の透過窓を有する断熱壁
により光源部側と表示パネル配置側とに仕切つた
ことを特徴とする液晶プロジエクタ。 Inside the case, there are provided a transmissive liquid crystal display panel, a light source section arranged behind the liquid crystal display panel to illuminate the liquid crystal display panel from the back side, and a filter for removing infrared components in the illumination light from the light source section. and a projection lens provided on the front surface of the case for enlarging and projecting a display image of the liquid crystal display panel onto a screen surface, wherein the interior of the case is illuminated from the light source toward the liquid crystal display panel. A liquid crystal projector characterized in that the light source side and the display panel side are partitioned by a heat insulating wall having a light transmission window.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4297586U JPS62156914U (en) | 1986-03-26 | 1986-03-26 | |
| US07/026,673 US4787737A (en) | 1986-03-26 | 1987-03-16 | Projection display apparatus |
| DE3750047T DE3750047T2 (en) | 1986-03-26 | 1987-03-20 | Projection display device. |
| EP87104116A EP0239024B1 (en) | 1986-03-26 | 1987-03-20 | Projection display apparatus |
| US07/244,805 US4925295A (en) | 1986-03-17 | 1988-09-14 | Projection display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4297586U JPS62156914U (en) | 1986-03-26 | 1986-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62156914U true JPS62156914U (en) | 1987-10-05 |
Family
ID=30859400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4297586U Pending JPS62156914U (en) | 1986-03-17 | 1986-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156914U (en) |
-
1986
- 1986-03-26 JP JP4297586U patent/JPS62156914U/ja active Pending