JPS6433108U - - Google Patents
Info
- Publication number
- JPS6433108U JPS6433108U JP12875887U JP12875887U JPS6433108U JP S6433108 U JPS6433108 U JP S6433108U JP 12875887 U JP12875887 U JP 12875887U JP 12875887 U JP12875887 U JP 12875887U JP S6433108 U JPS6433108 U JP S6433108U
- Authority
- JP
- Japan
- Prior art keywords
- light
- utility
- model registration
- plate device
- light guide
- 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
- 238000005286 illumination Methods 0.000 claims 3
- 239000000126 substance Substances 0.000 claims 2
- 238000013459 approach Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Description
第１図は、本考案に係る第１の実施例を示した
一部破断斜視図である。第２図は、光導部と反射
板とを配置したときの光線の光路を示した図であ
る。第３図乃至第５図は第３乃至第５の実施例を
示した一部破断斜視図である。
１…光導部、１ａ…入射面、１ｂ…反射面、１
ｃ…射出面、２…光源、３…反射板、４…拡散板
、５…凹面鏡。
FIG. 1 is a partially cutaway perspective view showing a first embodiment of the present invention. FIG. 2 is a diagram showing the optical path of the light beam when the light guide section and the reflection plate are arranged. 3 to 5 are partially cutaway perspective views showing third to fifth embodiments. 1...Light guide part, 1a...Incidence surface, 1b...Reflection surface, 1
c...Emission surface, 2...Light source, 3...Reflection plate, 4...Diffusion plate, 5...Concave mirror.
Claims (1)
上面に光の射出面とを有し、前記反射面と射出面
は入射面より離隔するに従つて接近する断面楔状
の光導部と、 前記光の入射面の外側に設置した光源と、 上記光の反射面の下側に配置した光を上方に指
向させる反射板と、 上記光導部上面に反射面と対向して配置した拡
散板とを具備したことを特徴とする照明板装置。 (2) 光導部に固形物質を用いたことを特徴とす
る実用新案登録請求の範囲第１項記載の照明板装
置。 (3) 光導部に液状物質を用いたことを特徴とす
る実用新案登録請求の範囲第１項記載の照明板装
置。[Claims for Utility Model Registration] (1) It has a light entrance surface at the side end, a light reflection surface at the bottom surface, and a light exit surface at the top surface, and the reflection surface and the exit surface are separated from the entrance surface. a light guide with a wedge-shaped cross section that approaches the light guide; a light source installed outside the light incident surface; a reflector disposed below the light reflection surface for directing the light upward; and an upper surface of the light guide. An illumination plate device comprising: a reflecting surface and a diffuser plate disposed opposite to the reflecting surface. (2) The illumination plate device according to claim 1 of the utility model registration, characterized in that a solid substance is used for the light guiding portion. (3) The illumination plate device according to claim 1 of the utility model registration, characterized in that a liquid substance is used for the light guiding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12875887U JPS6433108U (en) | 1987-08-24 | 1987-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12875887U JPS6433108U (en) | 1987-08-24 | 1987-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6433108U true JPS6433108U (en) | 1989-03-01 |
Family
ID=31382395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12875887U Pending JPS6433108U (en) | 1987-08-24 | 1987-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6433108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06118246A (en) * | 1992-09-14 | 1994-04-28 | Fujitsu Ltd | Surface light source unit |
-
1987
- 1987-08-24 JP JP12875887U patent/JPS6433108U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06118246A (en) * | 1992-09-14 | 1994-04-28 | Fujitsu Ltd | Surface light source unit |