JPH0530253Y2 - - Google Patents
Info
- Publication number
- JPH0530253Y2 JPH0530253Y2 JP1987197346U JP19734687U JPH0530253Y2 JP H0530253 Y2 JPH0530253 Y2 JP H0530253Y2 JP 1987197346 U JP1987197346 U JP 1987197346U JP 19734687 U JP19734687 U JP 19734687U JP H0530253 Y2 JPH0530253 Y2 JP H0530253Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- diffuser plate
- absorbing member
- lighting device
- 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.)
- Expired - Lifetime
Links
- 238000005286 illumination Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987197346U JPH0530253Y2 (US08118993-20120221-C00002.png) | 1987-12-28 | 1987-12-28 | |
DE3853024T DE3853024T2 (de) | 1987-07-09 | 1988-07-07 | Leuchtvorrichtung. |
KR1019880008437A KR970008278B1 (ko) | 1987-07-09 | 1988-07-07 | 조명장치 |
US07/216,429 US5038259A (en) | 1987-07-09 | 1988-07-07 | Illumination device |
EP88110897A EP0298492B1 (en) | 1987-07-09 | 1988-07-07 | An illumination device |
CA000571588A CA1333710C (en) | 1987-07-09 | 1988-07-08 | Illuminated device |
US07/706,306 US5144539A (en) | 1987-07-09 | 1991-05-28 | Illumination device |
US07/737,488 US5101330A (en) | 1987-07-09 | 1991-07-30 | Illumination device |
US07/738,128 US5101331A (en) | 1987-07-09 | 1991-07-30 | Illumination device |
US07/737,979 US5105345A (en) | 1987-07-09 | 1991-07-30 | Illumination device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987197346U JPH0530253Y2 (US08118993-20120221-C00002.png) | 1987-12-28 | 1987-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01103112U JPH01103112U (US08118993-20120221-C00002.png) | 1989-07-12 |
JPH0530253Y2 true JPH0530253Y2 (US08118993-20120221-C00002.png) | 1993-08-03 |
Family
ID=31487905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987197346U Expired - Lifetime JPH0530253Y2 (US08118993-20120221-C00002.png) | 1987-07-09 | 1987-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0530253Y2 (US08118993-20120221-C00002.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61133502A (ja) * | 1984-12-03 | 1986-06-20 | 三菱電機株式会社 | 面光源装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6190106U (US08118993-20120221-C00002.png) * | 1984-11-20 | 1986-06-12 | ||
JPS62145214U (US08118993-20120221-C00002.png) * | 1986-03-10 | 1987-09-12 |
-
1987
- 1987-12-28 JP JP1987197346U patent/JPH0530253Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61133502A (ja) * | 1984-12-03 | 1986-06-20 | 三菱電機株式会社 | 面光源装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH01103112U (US08118993-20120221-C00002.png) | 1989-07-12 |