JPS5941912U - lighting equipment - Google Patents
lighting equipmentInfo
- Publication number
- JPS5941912U JPS5941912U JP13803982U JP13803982U JPS5941912U JP S5941912 U JPS5941912 U JP S5941912U JP 13803982 U JP13803982 U JP 13803982U JP 13803982 U JP13803982 U JP 13803982U JP S5941912 U JPS5941912 U JP S5941912U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light guide
- display member
- receiving part
- gap
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図は従来の照明装置の要部断面図、第
３図は本考案に係る照明装置の一実施例を示す要部断面
図、第４図は第３図照明装置の要部拡大断面図である。
１０：ケース、１１：液晶表示素子、１２：導光体、１
３：ランプ、１４：遮光部材１５：配線基板、１６：文
字板、１７：受光部、１８：導光部、１９：反射部。1 and 2 are sectional views of main parts of a conventional lighting device, FIG. 3 is a sectional view of main parts showing an embodiment of a lighting device according to the present invention, and FIG. 4 is a sectional view of main parts of a conventional lighting device. FIG. 10: case, 11: liquid crystal display element, 12: light guide, 1
3: lamp, 14: light shielding member 15: wiring board, 16: dial plate, 17: light receiving section, 18: light guiding section, 19: reflecting section.
Claims (1)
の照射光線を導入して後方からの透過照明を行うように
した照明装置において、上記光透過性表示部材の表示平
面に対して厚さ寸法が均一もしくはほぼ均一な平板形状
の導光部を傾斜状態に配設し、上記表示部材とこれに対
向する導光部表面との空隙部が次第に拡がる方向の導光
部一端側に光源を配置する受光部を形成した導光体を設
け、上記受光部より導入した表示部材側への上記光源か
らの離開距離からに応じた照射光線を上記空隙部あるい
は導光部表面の傾斜角度により調光するようにしたこと
を特徴とする照明装置。In an illumination device that performs transmitted illumination from the rear by introducing irradiation light from a light source into a light guide disposed behind a light-transmitting display member, the display plane of the light-transmitting display member is A flat plate-shaped light guide having a uniform or almost uniform thickness is arranged in an inclined state, and one end side of the light guide is in a direction in which a gap between the display member and the surface of the light guide opposing thereto gradually widens. A light guide having a light receiving part in which a light source is disposed is provided, and the irradiation light is directed from the light receiving part to the display member side, which is introduced from the light receiving part, according to the separation distance from the light source, into the gap or the slope of the surface of the light guide part. A lighting device characterized by dimming light depending on the angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13803982U JPS5941912U (en) | 1982-09-10 | 1982-09-10 | lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13803982U JPS5941912U (en) | 1982-09-10 | 1982-09-10 | lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5941912U true JPS5941912U (en) | 1984-03-17 |
Family
ID=30309855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13803982U Pending JPS5941912U (en) | 1982-09-10 | 1982-09-10 | lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5941912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04123885U (en) * | 1991-04-25 | 1992-11-10 | 石川島建機株式会社 | Crawler show impact interference prevention structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53104199A (en) * | 1977-02-23 | 1978-09-11 | Stanley Electric Co Ltd | Method of illuminating permeated liquid crystal display |
-
1982
- 1982-09-10 JP JP13803982U patent/JPS5941912U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53104199A (en) * | 1977-02-23 | 1978-09-11 | Stanley Electric Co Ltd | Method of illuminating permeated liquid crystal display |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04123885U (en) * | 1991-04-25 | 1992-11-10 | 石川島建機株式会社 | Crawler show impact interference prevention structure |
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