JPS6354136U - - Google Patents
Info
- Publication number
- JPS6354136U JPS6354136U JP14723286U JP14723286U JPS6354136U JP S6354136 U JPS6354136 U JP S6354136U JP 14723286 U JP14723286 U JP 14723286U JP 14723286 U JP14723286 U JP 14723286U JP S6354136 U JPS6354136 U JP S6354136U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- liquid crystal
- display panel
- crystal display
- source device
- 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 claims description 9
- 238000005286 illumination Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
Description
第１図〜第１２図はこの考案の一実施例を示し
たもので、第１図、第２図および第３図は光源装
置の縦断正面図、一部切開平面図および一部切開
側面図、第４図は電磁波シールド部材の正面図、
第５図および第６図は液晶プロジエクタの縦断正
面図および一部切開平面図、第７図、第８図およ
び第９図は表示装置の正面図、平面図および縦断
側面図、第１０図は表示ユニツトの一部切開正面
図、第１１図および第１２図は第１０図の―
線および―線に沿う拡大断面図であ
る。第１３図は電磁波シールド部材の変形例を示
す斜視図である。第１４図は従来の液晶プロジエ
クタの原理構成図である。
１０……プロジエクタケース、、３０……表示
装置、４３……液晶表示パネル、５０……光源装
置、５１……光源ボツクス、５２……高電圧アー
クランプ、５３……リフレクタ、５６……防爆筒
、５７……防爆ガラス、６３……電磁波シールド
部材。
Figures 1 to 12 show an embodiment of this invention, and Figures 1, 2, and 3 are a longitudinal sectional front view, a partially cutaway plan view, and a partially cutaway side view of the light source device. , Figure 4 is a front view of the electromagnetic shielding member,
5 and 6 are a longitudinal sectional front view and a partially cutaway plan view of a liquid crystal projector; FIGS. 7, 8, and 9 are a front view, a plan view, and a longitudinal sectional side view of a display device; and FIG. The partially cutaway front views of the display unit, FIGS. 11 and 12, are the same as those shown in FIG.
FIG. FIG. 13 is a perspective view showing a modification of the electromagnetic shielding member. FIG. 14 is a diagram showing the basic structure of a conventional liquid crystal projector. 10...Projector case, 30...Display device, 43...Liquid crystal display panel, 50...Light source device, 51...Light source box, 52...High voltage arc lamp, 53...Reflector, 56...Explosion proof Cylinder, 57...Explosion-proof glass, 63...Electromagnetic shielding member.
Claims (1)
の後方に設けられた光源装置と、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
レンズとを備えた液晶プロジエクタの光源装置で
あつて、高電圧アークランプからなる光源ランプ
と、この高電圧アークランプからの照明光を液晶
表示パネルに向けて反射させるリフレクタとを、
前面に前記リフレクタの開放面と対応する開口を
設けた金属製の光源ボツクス又に収納するととも
に、この光源ボツクスの開口部前面に、開口率が
大きいメツシユ状の電磁波シールド部材を設けた
ことを特徴とする液晶プロジエクタの光源装置。 A light source device for a liquid crystal projector, comprising a transmissive liquid crystal display panel, a light source device provided behind the liquid crystal display panel, and a projection lens for enlarging and projecting a display image of the liquid crystal display panel onto a screen surface, A light source lamp consisting of a high-voltage arc lamp, and a reflector that reflects the illumination light from the high-voltage arc lamp toward the liquid crystal display panel.
The light source box is housed in a metal light source box having an opening corresponding to the open surface of the reflector on the front surface, and a mesh-shaped electromagnetic shielding member with a large aperture ratio is provided on the front surface of the opening of the light source box. A light source device for a liquid crystal projector.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986147232U JPH0438348Y2 (en) | 1986-09-26 | 1986-09-26 | |
| 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 |
|---|---|---|---|
| JP1986147232U JPH0438348Y2 (en) | 1986-09-26 | 1986-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6354136U true JPS6354136U (en) | 1988-04-12 |
| JPH0438348Y2 JPH0438348Y2 (en) | 1992-09-08 |
Family
ID=31060409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986147232U Expired JPH0438348Y2 (en) | 1986-03-17 | 1986-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438348Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4510775Y1 (en) * | 1966-07-08 | 1970-05-15 | ||
| JPS61140345U (en) * | 1985-02-21 | 1986-08-30 |
-
1986
- 1986-09-26 JP JP1986147232U patent/JPH0438348Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4510775Y1 (en) * | 1966-07-08 | 1970-05-15 | ||
| JPS61140345U (en) * | 1985-02-21 | 1986-08-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438348Y2 (en) | 1992-09-08 |