JPS61140384U - - Google Patents
Info
- Publication number
- JPS61140384U JPS61140384U JP2379085U JP2379085U JPS61140384U JP S61140384 U JPS61140384 U JP S61140384U JP 2379085 U JP2379085 U JP 2379085U JP 2379085 U JP2379085 U JP 2379085U JP S61140384 U JPS61140384 U JP S61140384U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display panel
- crystal display
- screen
- viewing angle
- 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 11
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図および第２図はこの考案の一実施例を示
す液晶プロジエクタの原理構成図および液晶プロ
ジエクタの実体斜視図である。
１４…液晶表示パネル、Θ…適正視野角、ａ…
適正視野角方向、Ｓ…スクリーン、Ｏ…光軸、１
８…光源ランプ、２２…コンデンサレンズ、２３
…リレーレンズ、２５…集光レンズ、２６…投影
レンズ系、３０…赤外線吸収フイルタ。
FIGS. 1 and 2 are a diagram showing the basic structure of a liquid crystal projector and a perspective view of the liquid crystal projector, showing an embodiment of the invention. 14...Liquid crystal display panel, Θ...Appropriate viewing angle, a...
Proper viewing angle direction, S...Screen, O...Optical axis, 1
8...Light source lamp, 22...Condenser lens, 23
...Relay lens, 25... Condensing lens, 26... Projection lens system, 30... Infrared absorption filter.
Claims (1)
晶表示パネルの表示像をスクリーン面に拡大投影
する液晶プロジエクタにおいて、前記液晶表示パ
ネルを、その中心と前記スクリーンの中心とを結
ぶ光軸に対してこの液晶表示パネルの適正視野角
分だけ傾けて設け、この液晶表示パネルの適正視
野角方向をスクリーン面に向けたことを特徴とす
る液晶プロジエクタ。 In a liquid crystal projector that uses a TN-type transmissive liquid crystal display panel and projects an enlarged image displayed on the liquid crystal display panel onto a screen, the liquid crystal display panel is aligned with respect to an optical axis connecting the center of the liquid crystal display panel and the center of the screen. A liquid crystal projector characterized in that the liquid crystal display panel is tilted by the proper viewing angle, and the proper viewing angle direction of the liquid crystal display panel is directed toward the screen surface.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2379085U JPS61140384U (en) | 1985-02-21 | 1985-02-21 | |
| EP86100118A EP0192023A3 (en) | 1985-02-21 | 1986-01-07 | Liquid crystal projector |
| US07/093,108 US4824210A (en) | 1985-02-21 | 1987-08-28 | Liquid crystal projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2379085U JPS61140384U (en) | 1985-02-21 | 1985-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140384U true JPS61140384U (en) | 1986-08-30 |
Family
ID=30517342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2379085U Pending JPS61140384U (en) | 1985-02-21 | 1985-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09288314A (en) * | 1996-04-15 | 1997-11-04 | Seiko Epson Corp | Rear projection type liquid crystal display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929997A (en) * | 1972-07-20 | 1974-03-16 | ||
| JPS54139569A (en) * | 1978-04-20 | 1979-10-30 | Matsushita Electric Ind Co Ltd | Light bulb type projector |
| JPS6156398A (en) * | 1984-08-28 | 1986-03-22 | シャープ株式会社 | Projection type liquid crystal display unit |
-
1985
- 1985-02-21 JP JP2379085U patent/JPS61140384U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929997A (en) * | 1972-07-20 | 1974-03-16 | ||
| JPS54139569A (en) * | 1978-04-20 | 1979-10-30 | Matsushita Electric Ind Co Ltd | Light bulb type projector |
| JPS6156398A (en) * | 1984-08-28 | 1986-03-22 | シャープ株式会社 | Projection type liquid crystal display unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09288314A (en) * | 1996-04-15 | 1997-11-04 | Seiko Epson Corp | Rear projection type liquid crystal display device |