JP4848534B2 - 面状光源 - Google Patents
面状光源 Download PDFInfo
- Publication number
- JP4848534B2 JP4848534B2 JP2008053208A JP2008053208A JP4848534B2 JP 4848534 B2 JP4848534 B2 JP 4848534B2 JP 2008053208 A JP2008053208 A JP 2008053208A JP 2008053208 A JP2008053208 A JP 2008053208A JP 4848534 B2 JP4848534 B2 JP 4848534B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- plate
- planar
- guide plate
- 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.)
- Expired - Fee Related
Links
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- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Description
1a 配線基板
2 導光板
3 光反射板
4 反射板
5 光拡散板
10 面状光源ユニット
Claims (2)
- 点状または線状の光源、および該光源の光を側面から入射し平面状の一面からほぼ均一に光を放射する導光板からなる面状光源ユニットと、該面状光源ユニットが複数個並設され、隣接する該面状光源ユニットの間に存在する前記光源を覆うように該光源上に設けられる山形状の光反射板と、前記複数個の面状光源ユニットの前記一面側に一定間隔を介して設けられる光拡散板または光拡散シートとを有する面状光源。
- 前記山形状の光反射板は、前記隣接する光源ユニットの光源を挟んだ導光板の間隔dに対して、高さhが(1〜2)dとなるように形成されてなる請求項1記載の面状光源。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008053208A JP4848534B2 (ja) | 2008-03-04 | 2008-03-04 | 面状光源 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008053208A JP4848534B2 (ja) | 2008-03-04 | 2008-03-04 | 面状光源 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009211915A JP2009211915A (ja) | 2009-09-17 |
JP4848534B2 true JP4848534B2 (ja) | 2011-12-28 |
Family
ID=41184870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008053208A Expired - Fee Related JP4848534B2 (ja) | 2008-03-04 | 2008-03-04 | 面状光源 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4848534B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5483700B2 (ja) * | 2010-01-29 | 2014-05-07 | 株式会社エス・ケー・ジー | 情報表示用照明装置 |
JP2011159436A (ja) * | 2010-01-29 | 2011-08-18 | Sumitomo Chemical Co Ltd | エッジライト式照明装置 |
KR20130011855A (ko) * | 2011-07-22 | 2013-01-30 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 구비하는 표시 장치 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05297813A (ja) * | 1992-04-20 | 1993-11-12 | Meitaku Syst:Kk | 面照明装置 |
JPH09282921A (ja) * | 1996-04-10 | 1997-10-31 | Canon Inc | バックライト装置及び該バックライト装置を備えた液晶表示装置 |
JP3538586B2 (ja) * | 2000-04-20 | 2004-06-14 | 光造 谷畑 | 面発光装置 |
JP4702176B2 (ja) * | 2005-05-17 | 2011-06-15 | 日本電気株式会社 | バックライト及び液晶表示装置 |
-
2008
- 2008-03-04 JP JP2008053208A patent/JP4848534B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2009211915A (ja) | 2009-09-17 |
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