JP4599298B2 - 面発光装置 - Google Patents
面発光装置 Download PDFInfo
- Publication number
- JP4599298B2 JP4599298B2 JP2006003972A JP2006003972A JP4599298B2 JP 4599298 B2 JP4599298 B2 JP 4599298B2 JP 2006003972 A JP2006003972 A JP 2006003972A JP 2006003972 A JP2006003972 A JP 2006003972A JP 4599298 B2 JP4599298 B2 JP 4599298B2
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- JP
- Japan
- Prior art keywords
- light
- light source
- annular portion
- annular
- groove
- 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.)
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- Air-Conditioning For Vehicles (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Description
21 光源
22 環状部
22a 出光面
22b 鋸歯状反射面
22c 傾斜面
23 入光部
24 空洞
25 回路基板
30 溝部
30a 谷部
30b 斜面
30c 傾斜面
P 直線
Claims (2)
- 環状部および該環状部の外周面に突出形成された入光部を有する導光体と、前記入光部に向けて光を出射する光源とを備え、前記環状部の相対向する両端面の一方が出光面で他方が反射面となっている面発光装置であって、
前記環状部の内周面にその周方向を両端として外側へV字状に収束する溝部を形成し、この溝部の頂点と前記環状部の中心を結ぶ直線の延長線上に前記光源を配置すると共に、前記溝部の前記出光面側の端面が閉塞されており、この閉塞部分に前記出光面に向かって傾斜する傾斜面を形成したことを特徴とする面発光装置。 - 請求項1の記載において、前記入光部の略中央に空洞が形成されており、この空洞の内部に前記光源を配置したことを特徴とする面発光装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006003972A JP4599298B2 (ja) | 2006-01-11 | 2006-01-11 | 面発光装置 |
US11/617,676 US20070159846A1 (en) | 2006-01-11 | 2006-12-28 | Surface emitting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006003972A JP4599298B2 (ja) | 2006-01-11 | 2006-01-11 | 面発光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007188681A JP2007188681A (ja) | 2007-07-26 |
JP4599298B2 true JP4599298B2 (ja) | 2010-12-15 |
Family
ID=38343712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006003972A Active JP4599298B2 (ja) | 2006-01-11 | 2006-01-11 | 面発光装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4599298B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018041470A1 (en) * | 2016-08-29 | 2018-03-08 | Philips Lighting Holding B.V. | Luminaire with light guide. |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5062132B2 (ja) * | 2008-10-06 | 2012-10-31 | 株式会社デンソー | 表示装置 |
JP4844680B2 (ja) | 2010-05-25 | 2011-12-28 | パナソニック株式会社 | 照明装置及びカメラ |
JP7284792B2 (ja) * | 2017-07-19 | 2023-05-31 | 能美防災株式会社 | 表示灯 |
CN111406179B (zh) * | 2017-11-30 | 2022-02-08 | 阿尔卑斯阿尔派株式会社 | 照光装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004134223A (ja) * | 2002-10-10 | 2004-04-30 | Alps Electric Co Ltd | 導光材および照明装置 |
JP2004201330A (ja) * | 2004-01-13 | 2004-07-15 | Rohm Co Ltd | 線状光源装置および画像読み取り装置 |
JP2004296311A (ja) * | 2003-03-27 | 2004-10-21 | Matsushita Electric Ind Co Ltd | 面発光装置 |
-
2006
- 2006-01-11 JP JP2006003972A patent/JP4599298B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004134223A (ja) * | 2002-10-10 | 2004-04-30 | Alps Electric Co Ltd | 導光材および照明装置 |
JP2004296311A (ja) * | 2003-03-27 | 2004-10-21 | Matsushita Electric Ind Co Ltd | 面発光装置 |
JP2004201330A (ja) * | 2004-01-13 | 2004-07-15 | Rohm Co Ltd | 線状光源装置および画像読み取り装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018041470A1 (en) * | 2016-08-29 | 2018-03-08 | Philips Lighting Holding B.V. | Luminaire with light guide. |
US10830941B2 (en) | 2016-08-29 | 2020-11-10 | Signify Holding B.V. | Luminaire with light guide |
Also Published As
Publication number | Publication date |
---|---|
JP2007188681A (ja) | 2007-07-26 |
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