JPS6413608U - - Google Patents
Info
- Publication number
- JPS6413608U JPS6413608U JP10757387U JP10757387U JPS6413608U JP S6413608 U JPS6413608 U JP S6413608U JP 10757387 U JP10757387 U JP 10757387U JP 10757387 U JP10757387 U JP 10757387U JP S6413608 U JPS6413608 U JP S6413608U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- linear light
- reflecting mirror
- reflecting
- transparent body
- 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
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (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図は上記実施例で用いられる
透明体の斜視図、第3図は透明体の他の例の断面
図、第4図は透明体の更に他の例の斜視図、第5
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6図は従来の
薄型照明装置の斜視図、第7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……透明体。
FIG. 1 is a longitudinal cross-sectional view of a light source according to an embodiment of the present invention, FIG. 2 is a perspective view of a transparent body used in the above embodiment, and FIG. 3 is a cross-sectional view of another example of a transparent body. 4 is a perspective view of still another example of the transparent body, and FIG.
The figure shows the luminance distribution in the length direction of the light source of a conventional lighting device and the lighting device of the present invention, FIG. 6 is a perspective view of a conventional thin lighting device, and FIG. 7 shows the length of the light source of these conventional thin lighting devices. It is a sectional view along the direction. 1...Reflector, 2...Linear light source, 3...Diffusion plate, 4...Transparent body.
Claims (1)
反射鏡と、前記反射鏡の反射面上に配置された1
本又は複数本の線状の光源と、前記光源に対し前
記反射鏡の反対側に配置された拡散板と、前記線
状の光源の端部を覆うように配置された透明体と
を備え、前記透明体がその端面が前記線状の光源
の長さ方向に対して鈍角をなす傾斜面と端部上方
に位置する前記拡散板と平行に位置する出射面と
該出射面より内方に向けて下降する他の傾斜面を
有することを特徴とする照明装置。 a reflecting mirror whose inner surface is a flat or Fresnel-shaped reflecting surface; and a reflector disposed on the reflecting surface of the reflecting mirror.
comprising a book or a plurality of linear light sources, a diffuser plate disposed on the opposite side of the reflecting mirror with respect to the light source, and a transparent body disposed so as to cover an end of the linear light source, The transparent body has an inclined surface whose end face forms an obtuse angle with respect to the length direction of the linear light source, an exit surface located above the end and parallel to the diffuser plate, and an exit surface directed inward from the exit surface. A lighting device characterized in that it has another inclined surface that descends.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10757387U JPS6413608U (en) | 1987-07-15 | 1987-07-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10757387U JPS6413608U (en) | 1987-07-15 | 1987-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6413608U true JPS6413608U (en) | 1989-01-24 |
Family
ID=31342109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10757387U Pending JPS6413608U (en) | 1987-07-15 | 1987-07-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6413608U (en) |
-
1987
- 1987-07-15 JP JP10757387U patent/JPS6413608U/ja active Pending