JPH03104906U - - Google Patents
Info
- Publication number
- JPH03104906U JPH03104906U JP1372390U JP1372390U JPH03104906U JP H03104906 U JPH03104906 U JP H03104906U JP 1372390 U JP1372390 U JP 1372390U JP 1372390 U JP1372390 U JP 1372390U JP H03104906 U JPH03104906 U JP H03104906U
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- face
- light source
- thickness
- diffuser 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
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Description
第１図は本考案の第１の実施例の断面図、第２
図は本考案の第２の実施例の断面図、第３図は従
来の面光源装置の断面図である。
１……光源、２……導光体、３……拡散板、４
……反射板。
Fig. 1 is a sectional view of the first embodiment of the present invention;
The figure is a sectional view of a second embodiment of the present invention, and FIG. 3 is a sectional view of a conventional surface light source device. 1... Light source, 2... Light guide, 3... Diffusion plate, 4
……a reflector.
Claims (1)
導光体と、前記導光体の表面側に配置した拡散板
と、前記導光体の拡散板と反対側に配置した反射
板とよりなり、前記導光体の入射端面の厚さがそ
の反対側の端面の厚さの２倍以上であることを特
徴とする面光源装置。 It consists of a light source, a light guide whose incident end face is arranged near the light source, a diffuser plate arranged on the surface side of the light guide, and a reflector plate arranged on the opposite side of the light guide to the diffuser plate. . A surface light source device, wherein the thickness of the incident end face of the light guide is at least twice the thickness of the opposite end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1372390U JPH03104906U (en) | 1990-02-16 | 1990-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1372390U JPH03104906U (en) | 1990-02-16 | 1990-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104906U true JPH03104906U (en) | 1991-10-30 |
Family
ID=31517121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1372390U Pending JPH03104906U (en) | 1990-02-16 | 1990-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104906U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63208001A (en) * | 1987-02-25 | 1988-08-29 | Mitsubishi Rayon Co Ltd | Light transmission body for light diffusion |
-
1990
- 1990-02-16 JP JP1372390U patent/JPH03104906U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63208001A (en) * | 1987-02-25 | 1988-08-29 | Mitsubishi Rayon Co Ltd | Light transmission body for light diffusion |