JP2004273463A - 面照明素子 - Google Patents
面照明素子 Download PDFInfo
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- JP2004273463A JP2004273463A JP2004126521A JP2004126521A JP2004273463A JP 2004273463 A JP2004273463 A JP 2004273463A JP 2004126521 A JP2004126521 A JP 2004126521A JP 2004126521 A JP2004126521 A JP 2004126521A JP 2004273463 A JP2004273463 A JP 2004273463A
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- light
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Abstract
【解決手段】 線状光源31と、光入射面21aが線状光源31に近接配置される導光体21と、線状光源31の周囲を囲む反射シート32と、また導光体21の光反射面側21cに配置された光反射体23と、導光体21の光出射面21bに配置される光拡散シート22aと、を備えた面照明素子2において、光入射面21aから遠ざかるにしたがって光吸収率が徐々に低下する光吸収用パターン41を光入射面21aに近接して形成したことを特徴とする。
【選択図】 図1
Description
21 導光体
21a 光入射面
21b 光出射面
21c 光反射面
22 光拡散体
23 光反射体
3 光源
31 線状光源
32 反射シート
4 光吸収層
41 光吸収用パターン
Claims (1)
- 線状光源と、光入射面が線状光源に近接配置される導光体と、前記線状光源の周囲を囲み、また前記導光体の光反射面側に配置される光反射性部材と、前記導光体の光出射面に配置される光拡散シートと、を備えた面照明素子において、
前記光反射性部材の端部は、前記導光体の光出射面側に直接載置しており、前記光拡散シートの前記導光体に接する面側に、前記光入射面から遠ざかるにしたがって光吸収率が徐々に低下する光吸収パターンを有する輝線抑制のための光吸収層を、前記光入射面に近接して形成したことを特徴とする面照明素子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004126521A JP4324006B2 (ja) | 2004-04-22 | 2004-04-22 | 面照明素子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004126521A JP4324006B2 (ja) | 2004-04-22 | 2004-04-22 | 面照明素子 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7033685A Division JPH08227074A (ja) | 1995-02-22 | 1995-02-22 | 面照明素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004273463A true JP2004273463A (ja) | 2004-09-30 |
JP4324006B2 JP4324006B2 (ja) | 2009-09-02 |
Family
ID=33128537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004126521A Expired - Lifetime JP4324006B2 (ja) | 2004-04-22 | 2004-04-22 | 面照明素子 |
Country Status (1)
Country | Link |
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JP (1) | JP4324006B2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009004198A (ja) * | 2007-06-20 | 2009-01-08 | Alpine Electronics Inc | 液晶パネルバックライト装置 |
JP2009277388A (ja) * | 2008-05-12 | 2009-11-26 | Stanley Electric Co Ltd | 面光源装置 |
JP2011014474A (ja) * | 2009-07-06 | 2011-01-20 | Yowa:Kk | 面光源用導光板とそれを用いた面光源装置 |
KR101551329B1 (ko) | 2014-03-25 | 2015-09-09 | (주)드림텍 | 모바일 장치의 도파로 시트 구조 |
KR20170080794A (ko) * | 2015-12-30 | 2017-07-11 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 포함하는 표시장치 |
-
2004
- 2004-04-22 JP JP2004126521A patent/JP4324006B2/ja not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009004198A (ja) * | 2007-06-20 | 2009-01-08 | Alpine Electronics Inc | 液晶パネルバックライト装置 |
JP2009277388A (ja) * | 2008-05-12 | 2009-11-26 | Stanley Electric Co Ltd | 面光源装置 |
JP2011014474A (ja) * | 2009-07-06 | 2011-01-20 | Yowa:Kk | 面光源用導光板とそれを用いた面光源装置 |
KR101551329B1 (ko) | 2014-03-25 | 2015-09-09 | (주)드림텍 | 모바일 장치의 도파로 시트 구조 |
KR20170080794A (ko) * | 2015-12-30 | 2017-07-11 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 포함하는 표시장치 |
KR102463846B1 (ko) * | 2015-12-30 | 2022-11-04 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 포함하는 표시장치 |
Also Published As
Publication number | Publication date |
---|---|
JP4324006B2 (ja) | 2009-09-02 |
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