JPH0217719U - - Google Patents
Info
- Publication number
- JPH0217719U JPH0217719U JP9668588U JP9668588U JPH0217719U JP H0217719 U JPH0217719 U JP H0217719U JP 9668588 U JP9668588 U JP 9668588U JP 9668588 U JP9668588 U JP 9668588U JP H0217719 U JPH0217719 U JP H0217719U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- lighting device
- crystal cell
- plate
- transparent plate
- 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 7
- 238000009792 diffusion process Methods 0.000 claims description 4
- 210000002858 crystal cell Anatomy 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案による液晶照明装置の一実施例
を示す概略断面図である。第２図は従来の液晶照
明装置の一例を示す概略断面図である。
１０……液晶照明装置；１１……液晶セル；１
２……拡散板；１３……透明板；１３ａ……湾曲
した凹陥部；１４……光拡散層；１５……ケース
；１６……光源。
FIG. 1 is a schematic sectional view showing an embodiment of a liquid crystal lighting device according to the present invention. FIG. 2 is a schematic cross-sectional view showing an example of a conventional liquid crystal lighting device. 10...Liquid crystal lighting device; 11...Liquid crystal cell; 1
2... Diffusion plate; 13... Transparent plate; 13a... Curved recessed portion; 14... Light diffusion layer; 15... Case; 16... Light source.
Claims (1)
て上面に光拡散層が形成された透明板から成る拡
散板と、該拡散板の側面に対向して配設された光
源とを含んでいる透過型液晶照明装置において、
上記拡散板を構成する透明板の下側中央部に、湾
曲した凹陥部が設けられていることを特徴とする
液晶照明装置。 The device includes a liquid crystal cell, a diffuser plate made of a transparent plate disposed below the liquid crystal cell and having a light diffusion layer formed on the upper surface, and a light source disposed opposite to the side surface of the diffuser plate. In the transmission type LCD lighting device,
A liquid crystal lighting device characterized in that a curved recessed portion is provided in a lower central portion of a transparent plate constituting the diffusion plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9668588U JPH0217719U (en) | 1988-07-21 | 1988-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9668588U JPH0217719U (en) | 1988-07-21 | 1988-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0217719U true JPH0217719U (en) | 1990-02-06 |
Family
ID=31321745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9668588U Pending JPH0217719U (en) | 1988-07-21 | 1988-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217719U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62235905A (en) * | 1986-04-07 | 1987-10-16 | Dainippon Printing Co Ltd | Plane optical source |
-
1988
- 1988-07-21 JP JP9668588U patent/JPH0217719U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62235905A (en) * | 1986-04-07 | 1987-10-16 | Dainippon Printing Co Ltd | Plane optical source |