JPH0363123U - - Google Patents
Info
- Publication number
- JPH0363123U JPH0363123U JP12451389U JP12451389U JPH0363123U JP H0363123 U JPH0363123 U JP H0363123U JP 12451389 U JP12451389 U JP 12451389U JP 12451389 U JP12451389 U JP 12451389U JP H0363123 U JPH0363123 U JP H0363123U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- light guide
- light
- source device
- incident
- 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.)
- Granted
Links
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の一実施例の断面図、第２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……拡散面、４
……反射面、５……曲面反射面。
Fig. 1 is a sectional view of an embodiment of the present invention;
FIG. 3 is a sectional view of a conventional surface light source device. 1... Light source, 2... Light guide, 3... Diffusion surface, 4
... Reflective surface, 5... Curved reflective surface.
Claims (1)
と、導光体表面に設けた拡散面と、導光体裏面に
設けた反射面とよりなる面光源装置において、前
記導光体の入射端面と反対側の端面を曲面状の反
射面としたことを特徴とする面光源装置。 In a surface light source device comprising a light source, a light guide whose incident end face is placed close to the light source, a diffusion surface provided on the surface of the light guide, and a reflective surface provided on the back surface of the light guide, the incident light of the light guide A surface light source device characterized in that an end surface opposite to the end surface is a curved reflective surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989124513U JPH0614195Y2 (en) | 1989-10-26 | 1989-10-26 | Surface light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989124513U JPH0614195Y2 (en) | 1989-10-26 | 1989-10-26 | Surface light source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0363123U true JPH0363123U (en) | 1991-06-20 |
| JPH0614195Y2 JPH0614195Y2 (en) | 1994-04-13 |
Family
ID=31672426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989124513U Expired - Lifetime JPH0614195Y2 (en) | 1989-10-26 | 1989-10-26 | Surface light source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614195Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453998A (en) * | 1977-10-07 | 1979-04-27 | Nichiden Varian Kk | Indicator |
| JPS5944002A (en) * | 1982-09-03 | 1984-03-12 | Takashi Mori | Optical radiator |
| JPS6155684A (en) * | 1984-08-27 | 1986-03-20 | 三菱レイヨン株式会社 | light diffusion device |
-
1989
- 1989-10-26 JP JP1989124513U patent/JPH0614195Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453998A (en) * | 1977-10-07 | 1979-04-27 | Nichiden Varian Kk | Indicator |
| JPS5944002A (en) * | 1982-09-03 | 1984-03-12 | Takashi Mori | Optical radiator |
| JPS6155684A (en) * | 1984-08-27 | 1986-03-20 | 三菱レイヨン株式会社 | light diffusion device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614195Y2 (en) | 1994-04-13 |