JPS649283U - - Google Patents
Info
- Publication number
- JPS649283U JPS649283U JP10177287U JP10177287U JPS649283U JP S649283 U JPS649283 U JP S649283U JP 10177287 U JP10177287 U JP 10177287U JP 10177287 U JP10177287 U JP 10177287U JP S649283 U JPS649283 U JP S649283U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- reflecting mirror
- electrode portions
- diffuser plate
- reflecting
- 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
- 230000001174 ascending effect Effects 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 1
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光源の長さ方向に
沿つた断面図、第２図は、従来の照明装置および
本考案の照明装置の光源の長さ方向における輝度
分布、第３図は、従来の薄型照明装置の斜視図、
第４図はこれら従来の薄型照明装置の光源の長さ
方向に沿つた断面図である。
１…反射鏡、２…線状の光源、３…拡散板、４
…導光板。
FIG. 1 is a cross-sectional view along the length of a light source according to an embodiment of the present invention, FIG. 2 is a luminance distribution along the length of the light source of a conventional lighting device and a lighting device of the present invention, and FIG. is a perspective view of a conventional thin lighting device,
FIG. 4 is a sectional view along the length of the light source of these conventional thin lighting devices. 1...Reflector, 2...Linear light source, 3...Diffusion plate, 4
…Light guide plate.
Claims (1)
面である反射鏡と、前記反射鏡の反射面側に配置
された一本又は互いに並行する複数本の線状の光
源と、前記光源に対し反射鏡と反対側に配置され
た拡散板とより構成され、更に前記拡散板の光源
側にその下面が上面に対して光源の両端電極部へ
向けて下降する傾斜面と該両端電極部付近が逆に
上昇する傾斜面である透明体よりなる導光板を配
したことを特徴とする照明装置。 a reflecting mirror whose inner surface is a flat surface, a free-form surface, or a Fresnel surface; one or more linear light sources arranged in parallel with each other on the reflecting surface side of the reflecting mirror; and a reflecting mirror for the light source. and a diffuser plate disposed on the opposite side, further comprising an inclined surface on the light source side of the diffuser plate, the lower surface of which descends from the upper surface toward the electrode portions at both ends of the light source, and the vicinity of the electrode portions at both ends are opposite to each other. A lighting device comprising a light guide plate made of a transparent material and having an ascending slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10177287U JPS649283U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10177287U JPS649283U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649283U true JPS649283U (en) | 1989-01-18 |
Family
ID=31331073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10177287U Pending JPS649283U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03192385A (en) * | 1989-12-22 | 1991-08-22 | Enplas Corp | Illuminating device |
-
1987
- 1987-07-03 JP JP10177287U patent/JPS649283U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03192385A (en) * | 1989-12-22 | 1991-08-22 | Enplas Corp | Illuminating device |