JPH0330309U - - Google Patents
Info
- Publication number
- JPH0330309U JPH0330309U JP9086789U JP9086789U JPH0330309U JP H0330309 U JPH0330309 U JP H0330309U JP 9086789 U JP9086789 U JP 9086789U JP 9086789 U JP9086789 U JP 9086789U JP H0330309 U JPH0330309 U JP H0330309U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- conductive
- crystal cell
- layer
- conductive layer
- 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 6
- 210000002858 crystal cell Anatomy 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000005684 electric field Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Description
第１図は本考案の照明カバーを用いた照明器具
の斜視図、第２図はその一部破断正面図、第３図
は液晶セルの要部拡大断面図、第４図は照明カバ
ーの動作原理の説明図、第５図及び第６図は照明
カバーの動作説明図、第７図は印加電圧と光線透
過率との関係を示す図である。
１……光源、２ａ，２ｂ……透明基板、３ａ，
３ｂ……導電基板、４ａ，４ｂ……導電層、５…
…液晶層、６……電源、８……電圧可変手段。
Figure 1 is a perspective view of a lighting fixture using the lighting cover of the present invention, Figure 2 is a partially cutaway front view thereof, Figure 3 is an enlarged sectional view of the main part of a liquid crystal cell, and Figure 4 is the operation of the lighting cover. 5 and 6 are explanatory diagrams of the operation of the illumination cover, and FIG. 7 is a diagram showing the relationship between applied voltage and light transmittance. 1...Light source, 2a, 2b...Transparent substrate, 3a,
3b... Conductive substrate, 4a, 4b... Conductive layer, 5...
...Liquid crystal layer, 6...Power source, 8...Voltage variable means.
Claims (1)
透明な導電基板を、導電層が対向するよう間隙を
介して配設すると共に、両導電基板間に電界応答
型液晶層を設けて液晶セルを形成し、液晶セルの
各導電層間に電源を接続すると共に、該両導電層
間に印加される電圧を可変可能な電圧可変手段を
設けてなる照明カバー。 A pair of transparent conductive substrates each having a conductive layer on their inner surfaces are arranged with a gap in between so that the conductive layers face each other, and an electric field responsive liquid crystal layer is provided between both conductive substrates to form a liquid crystal cell. What is claimed is: 1. A lighting cover comprising: forming a liquid crystal cell, connecting a power source between each conductive layer of a liquid crystal cell, and providing voltage variable means capable of varying the voltage applied between the two conductive layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9086789U JPH0330309U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9086789U JPH0330309U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330309U true JPH0330309U (en) | 1991-03-26 |
Family
ID=31640379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9086789U Pending JPH0330309U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330309U (en) |
-
1989
- 1989-07-31 JP JP9086789U patent/JPH0330309U/ja active Pending