JPH0481102U - - Google Patents
Info
- Publication number
- JPH0481102U JPH0481102U JP12684090U JP12684090U JPH0481102U JP H0481102 U JPH0481102 U JP H0481102U JP 12684090 U JP12684090 U JP 12684090U JP 12684090 U JP12684090 U JP 12684090U JP H0481102 U JPH0481102 U JP H0481102U
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light source
- light guide
- introduction part
- 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
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図ａ及びｂは、本考案による面光源、第２
図は従来技術による面光源の側面図、第３図は実
施例で使用した導光板の拡散処理部の位置を示す
図、第４図は面光源の平面図を示し、図中１……
冷陰極蛍光灯、２……光導入部、３……導光板、
４……従来技術による導光板の端面、５……反射
面、６……光取り出し面、７，９……拡散処理部
、８……反射面の拡散処理部の無い部分、１０及
び１１は直角プリズムを有する端面を示す。
FIGS. 1a and 1b show a surface light source according to the present invention, a second
The figure is a side view of a surface light source according to the prior art, FIG. 3 is a diagram showing the position of the diffusion processing part of the light guide plate used in the example, and FIG. 4 is a plan view of the surface light source.
cold cathode fluorescent lamp, 2... light introduction part, 3... light guide plate,
4...End face of light guide plate according to conventional technology, 5...Reflection surface, 6...Light extraction surface, 7, 9...Diffusion treatment part, 8...Portion of reflection surface without diffusion treatment part, 10 and 11 An end face with a right angle prism is shown.
Claims (1)
を配設した導光板を用いることを特徴とする面光
源。 A surface light source characterized by using a light guide plate having a rectangular prism arranged on at least one surface other than the light introduction part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12684090U JPH0481102U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12684090U JPH0481102U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481102U true JPH0481102U (en) | 1992-07-15 |
Family
ID=31874369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12684090U Pending JPH0481102U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481102U (en) |
-
1990
- 1990-11-28 JP JP12684090U patent/JPH0481102U/ja active Pending