JP5213261B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP5213261B2 JP5213261B2 JP2009077388A JP2009077388A JP5213261B2 JP 5213261 B2 JP5213261 B2 JP 5213261B2 JP 2009077388 A JP2009077388 A JP 2009077388A JP 2009077388 A JP2009077388 A JP 2009077388A JP 5213261 B2 JP5213261 B2 JP 5213261B2
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- JP
- Japan
- Prior art keywords
- liquid crystal
- light emitting
- electrodes
- electrode
- lens
- 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
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
- Liquid Crystal (AREA)
Description
3a、3b、3c 発光部
31 発光素子
4a、4b、4c 液晶レンズ
41 透明基板
43 液晶層
44 対向電極部
46 中心電極
47 帯状電極
A1 照明領域
Claims (1)
- 複数の発光素子による照射光を、各発光素子に対応して設けた液晶レンズによりそれぞれ配光し、所定の照明領域に集光する照明装置において、
各液晶レンズは、互いに対向する透明基板と、それら透明基板の間に封入される液晶層と、前記液晶層を挟み、液晶層に電圧を印加してレンズ機能を持たせる透明な対向電極部と、を有し、
前記対向電極部の各々は、互いに大きさが異なり、かつレンズ前面から見て相似形状に形成された複数の帯状電極で構成され、大きい帯状電極が小さい帯状電極を囲うように配設されており、これら帯状電極は、照明領域の方向に応じて、同心状に又はそれらの中心位置が変位するように形成されていることを特徴とする照明装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2009077388A JP5213261B2 (ja) | 2009-03-26 | 2009-03-26 | 照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009077388A JP5213261B2 (ja) | 2009-03-26 | 2009-03-26 | 照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010231976A JP2010231976A (ja) | 2010-10-14 |
JP5213261B2 true JP5213261B2 (ja) | 2013-06-19 |
Family
ID=43047619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009077388A Expired - Fee Related JP5213261B2 (ja) | 2009-03-26 | 2009-03-26 | 照明装置 |
Country Status (1)
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JP (1) | JP5213261B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102050472B1 (ko) | 2013-01-22 | 2020-01-09 | 삼성전자주식회사 | 조도 분포 조절용 렌즈 및 그 렌즈를 포함한 led 패키지 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3714083B2 (ja) * | 2000-01-14 | 2005-11-09 | コニカミノルタフォトイメージング株式会社 | 焦点位置可変空間変調デバイス |
JP4383005B2 (ja) * | 2001-06-01 | 2009-12-16 | 日本放送協会 | 回折型液晶レンズ及び多焦点回折型液晶レンズ |
JP4471729B2 (ja) * | 2004-04-30 | 2010-06-02 | シチズン電子株式会社 | 液晶レンズ付き発光装置 |
JP2007052323A (ja) * | 2005-08-19 | 2007-03-01 | Sanyo Epson Imaging Devices Corp | 電気光学装置及び電子機器 |
JP2008107725A (ja) * | 2006-10-27 | 2008-05-08 | Fujifilm Corp | 撮影装置 |
-
2009
- 2009-03-26 JP JP2009077388A patent/JP5213261B2/ja not_active Expired - Fee Related
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JP2010231976A (ja) | 2010-10-14 |
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