JPH01115110U - - Google Patents
Info
- Publication number
- JPH01115110U JPH01115110U JP1988009712U JP971288U JPH01115110U JP H01115110 U JPH01115110 U JP H01115110U JP 1988009712 U JP1988009712 U JP 1988009712U JP 971288 U JP971288 U JP 971288U JP H01115110 U JPH01115110 U JP H01115110U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- reflecting plate
- lighting device
- linear light
- fluorescent tube
- 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
- 239000004020 conductor Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
同実施例で用いる遮光模様並びに反射率の低い部
材を示した斜視図、第３図は従来の照明装置の断
面図、第４図は従来の遮光模様を設けた蛍光管の
斜視図、第５図、第６図はいずれも従来の照明装
置の拡散板上での輝度分布を示すグラフである。 １…反射板、２…蛍光管、３…拡散板、４…遮
光模様、５…導電性光吸収シート。
同実施例で用いる遮光模様並びに反射率の低い部
材を示した斜視図、第３図は従来の照明装置の断
面図、第４図は従来の遮光模様を設けた蛍光管の
斜視図、第５図、第６図はいずれも従来の照明装
置の拡散板上での輝度分布を示すグラフである。 １…反射板、２…蛍光管、３…拡散板、４…遮
光模様、５…導電性光吸収シート。
Claims (1)
- 反射板の上部に直線状の光源となる蛍光管を配
置しこの直線状の光源に対して反射板と反対側に
拡散板を配置した照明装置において、光源管直下
の反射板上に導電性材料を用いて反射率の低い部
分を形成するようにしたことを特徴とする照明装
置。
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP971288U JPH0451368Y2 (ja) | 1988-01-29 | 1988-01-29 | |
| KR1019880008437A KR970008278B1 (ko) | 1987-07-09 | 1988-07-07 | 조명장치 |
| EP88110897A EP0298492B1 (en) | 1987-07-09 | 1988-07-07 | An illumination device |
| US07/216,429 US5038259A (en) | 1987-07-09 | 1988-07-07 | Illumination device |
| DE3853024T DE3853024T2 (de) | 1987-07-09 | 1988-07-07 | Leuchtvorrichtung. |
| 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 |
|---|---|---|---|
| JP971288U JPH0451368Y2 (ja) | 1988-01-29 | 1988-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01115110U true JPH01115110U (ja) | 1989-08-02 |
| JPH0451368Y2 JPH0451368Y2 (ja) | 1992-12-03 |
Family
ID=31216696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP971288U Expired JPH0451368Y2 (ja) | 1987-07-09 | 1988-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451368Y2 (ja) |
-
1988
- 1988-01-29 JP JP971288U patent/JPH0451368Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0451368Y2 (ja) | 1992-12-03 |