JPS61150390U - - Google Patents
Info
- Publication number
- JPS61150390U JPS61150390U JP3248385U JP3248385U JPS61150390U JP S61150390 U JPS61150390 U JP S61150390U JP 3248385 U JP3248385 U JP 3248385U JP 3248385 U JP3248385 U JP 3248385U JP S61150390 U JPS61150390 U JP S61150390U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- fresnel
- fresnel plate
- light traveling
- 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 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
第１図は本考案の一実施例の説明図、第２図は
他の実施例の説明図、第３図はさらに他の実施例
の説明図である。
１……液晶表示素子、２……フレネル板、３…
…フレネル面、３ａ……傾斜面、５……表面、θ
……視野角。
FIG. 1 is an explanatory diagram of one embodiment of the present invention, FIG. 2 is an explanatory diagram of another embodiment, and FIG. 3 is an explanatory diagram of still another embodiment. 1...Liquid crystal display element, 2...Fresnel plate, 3...
... Fresnel surface, 3a... Inclined surface, 5... Surface, θ
...Viewing angle.
Claims (1)
て設置され、少なくとも片面に断面鋸歯状のフレ
ネル面を有する透明なフレネル板とからなり、フ
レネル面は、液晶表示素子からその視野角の方向
に進んでフレネル板を透過する光を、フレネル板
外面でフレネル板に対し所定の方向、例えばほぼ
直角方向に進む光に変えるような角度の傾斜面を
有していることを特徴とする液晶表示装置。 It consists of a liquid crystal display element and a transparent Fresnel plate that is installed to cover the display surface of the liquid crystal display element and has a Fresnel surface with a sawtooth cross section on at least one side. A liquid crystal display device characterized by having an inclined surface at an angle such that light traveling through the Fresnel plate is changed into light traveling in a predetermined direction, for example, a direction substantially perpendicular to the Fresnel plate, on the outer surface of the Fresnel plate. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3248385U JPS61150390U (en) | 1985-03-07 | 1985-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3248385U JPS61150390U (en) | 1985-03-07 | 1985-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61150390U true JPS61150390U (en) | 1986-09-17 |
Family
ID=30534038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3248385U Pending JPS61150390U (en) | 1985-03-07 | 1985-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61150390U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5538511A (en) * | 1978-09-11 | 1980-03-18 | Hitachi Ltd | Liquid crystal display |
-
1985
- 1985-03-07 JP JP3248385U patent/JPS61150390U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5538511A (en) * | 1978-09-11 | 1980-03-18 | Hitachi Ltd | Liquid crystal display |
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