JPH0181629U - - Google Patents
Info
- Publication number
- JPH0181629U JPH0181629U JP1987175749U JP17574987U JPH0181629U JP H0181629 U JPH0181629 U JP H0181629U JP 1987175749 U JP1987175749 U JP 1987175749U JP 17574987 U JP17574987 U JP 17574987U JP H0181629 U JPH0181629 U JP H0181629U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal display
- projection type
- type liquid
- 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 15
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Description
第１図は本考案の投影型液晶表示装置の第１の
実施例を示す図、第２図は本考案の投影型液晶表
示装置の液晶ライトバルブの概略断面図、第３図
は本考案の投影型液晶表示装置の第２の実施例を
示す図、第４図はフレネルレンズの断面図、第５
図は従来の投影型液晶表示装置の構成図である。
１……ランプ、２……凹面鏡、５……投影レン
ズ、７，２１……スクリーン、９，１２……透明
基板、１０……フレネルレンズ、１１，１３……
透明電極、１４……駆動電圧源、１５……封止材
、１６……液晶材料、１７……偏光板、１８……
液晶ライトバルブ、１９，２２……投影部、２０
……反射鏡。
FIG. 1 is a diagram showing a first embodiment of the projection type liquid crystal display device of the present invention, FIG. 2 is a schematic cross-sectional view of a liquid crystal light valve of the projection type liquid crystal display device of the present invention, and FIG. 3 is a diagram showing a first embodiment of the projection type liquid crystal display device of the present invention. A diagram showing a second embodiment of a projection type liquid crystal display device, FIG. 4 is a cross-sectional view of a Fresnel lens, and FIG.
The figure is a configuration diagram of a conventional projection type liquid crystal display device. 1... Lamp, 2... Concave mirror, 5... Projection lens, 7, 21... Screen, 9, 12... Transparent substrate, 10... Fresnel lens, 11, 13...
Transparent electrode, 14... Drive voltage source, 15... Sealing material, 16... Liquid crystal material, 17... Polarizing plate, 18...
Liquid crystal light valve, 19, 22... Projection section, 20
……Reflector.
Claims (1)
プと、 光を集め反射するための凹面鏡と、 スクリーンに投影するための投影レンズと、 所定間隔で平行対向する電極を有する一対の基
板間に液晶を封入し、前記一対の基板の少なくと
も一方の基板の外側にフレネルレンズを配設した
液晶ライトバルブとを有して構成したことを特徴
とする投影型液晶表示装置。 (2) 液晶ライトバルブの片面側に反射鏡を配設
した実用新案登録請求の範囲第１項記載の投影型
液晶表示装置。 (3) フレネルレンズはその中心をずらせて非対
称に形成した実用新案登録請求の範囲第１項また
は第２項記載の投影型液晶表示装置。[Claims for Utility Model Registration] (1) In a projection type liquid crystal display device, a lamp for a light source, a concave mirror for collecting and reflecting light, a projection lens for projecting onto a screen, and electrodes facing in parallel at a predetermined interval. A projection type liquid crystal display device comprising: a liquid crystal sealed between a pair of substrates, and a liquid crystal light valve having a Fresnel lens disposed outside at least one of the pair of substrates. . (2) The projection type liquid crystal display device according to claim 1 of the utility model registration claim, in which a reflecting mirror is disposed on one side of a liquid crystal light valve. (3) The projection type liquid crystal display device according to claim 1 or 2, wherein the Fresnel lens is formed asymmetrically with its center shifted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175749U JPH0181629U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175749U JPH0181629U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181629U true JPH0181629U (en) | 1989-05-31 |
Family
ID=31467531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175749U Pending JPH0181629U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181629U (en) |
-
1987
- 1987-11-19 JP JP1987175749U patent/JPH0181629U/ja active Pending