JPS61130983U - - Google Patents
Info
- Publication number
- JPS61130983U JPS61130983U JP1345485U JP1345485U JPS61130983U JP S61130983 U JPS61130983 U JP S61130983U JP 1345485 U JP1345485 U JP 1345485U JP 1345485 U JP1345485 U JP 1345485U JP S61130983 U JPS61130983 U JP S61130983U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- display device
- casing
- light
- hole
- 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
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
第１図、第２図はこの考案の一実施例を適用し
た表示装置の分解斜視図、要部断面図、第３図、
第４図はそれぞれこの考案の他の実施例を適用し
た表示装置の分解斜視図、第５図は従来の表示装
置の一部切欠き断面図である。
１…表示装置、２…導光板、３…ケーシング、
３ｆ…駆動回路室、３ｈ…穴、７…ランプ（光源
）、８…電子部品、１０…放熱板、Ａ…表示領域
、Ｂ…回路領域。
Figures 1 and 2 are an exploded perspective view and a sectional view of essential parts of a display device to which an embodiment of this invention is applied;
FIG. 4 is an exploded perspective view of a display device to which another embodiment of this invention is applied, and FIG. 5 is a partially cutaway sectional view of a conventional display device. 1...Display device, 2...Light guide plate, 3...Casing,
3f...drive circuit room, 3h...hole, 7...lamp (light source), 8...electronic component, 10...heat sink, A...display area, B...circuit area.
Claims (1)
数の導光板へ前記導光板の端面と対向配設した複
数の光源を選択的に発光させて前記表示部分を見
せるようにした表示領域と、前記光源の点灯を外
部からのメカ信号に応じて制御する電子部品等か
ら成る駆動回路やこの駆動回路を収納する駆動回
路室等から成る回路領域とをケーシング内に区画
形成した表示装置において、前記ケーシングに前
記駆動回路室と外部雰囲気とが挿通する穴と、前
記穴を覆い前記駆動回路室から放射される熱を受
け外部雰囲気中に放熱する放熱板とを設けたこと
を特徴とする表示装置。 a display area in which a plurality of light guide plates having display parts engraved with characters, symbols, etc. are made to show the display parts by selectively emitting light from a plurality of light sources disposed facing the end surfaces of the light guide plates; In the display device, the casing is partitioned into a drive circuit including an electronic component for controlling lighting of the light source in response to a mechanical signal from the outside, and a circuit region including a drive circuit chamber for housing the drive circuit. A display device characterized in that a casing is provided with a hole through which the driving circuit chamber and an external atmosphere are inserted, and a heat sink that covers the hole and receives heat radiated from the driving circuit chamber and radiates the heat into the external atmosphere. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985013454U JPH0317347Y2 (en) | 1985-01-31 | 1985-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985013454U JPH0317347Y2 (en) | 1985-01-31 | 1985-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61130983U true JPS61130983U (en) | 1986-08-15 |
| JPH0317347Y2 JPH0317347Y2 (en) | 1991-04-12 |
Family
ID=30497477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985013454U Expired JPH0317347Y2 (en) | 1985-01-31 | 1985-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317347Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107149U (en) * | 1983-01-10 | 1984-07-19 | 日本電気株式会社 | Heat dissipation structure of numeric display IC |
-
1985
- 1985-01-31 JP JP1985013454U patent/JPH0317347Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107149U (en) * | 1983-01-10 | 1984-07-19 | 日本電気株式会社 | Heat dissipation structure of numeric display IC |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0317347Y2 (en) | 1991-04-12 |
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