JP4085708B2 - 導光装置、照明装置、投射型表示装置 - Google Patents

導光装置、照明装置、投射型表示装置 Download PDF

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Publication number
JP4085708B2
JP4085708B2 JP2002172976A JP2002172976A JP4085708B2 JP 4085708 B2 JP4085708 B2 JP 4085708B2 JP 2002172976 A JP2002172976 A JP 2002172976A JP 2002172976 A JP2002172976 A JP 2002172976A JP 4085708 B2 JP4085708 B2 JP 4085708B2
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Japan
Prior art keywords
light guide
light
unit
incident
angle
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Expired - Fee Related
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JP2002172976A
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Japanese (ja)
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JP2004020724A (ja
JP2004020724A5 (enExample
Inventor
秀文 坂田
高司 武田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
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Seiko Epson Corp
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Priority to JP2002172976A priority Critical patent/JP4085708B2/ja
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Publication of JP2004020724A5 publication Critical patent/JP2004020724A5/ja
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  • Liquid Crystal (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Polarising Elements (AREA)
JP2002172976A 2002-06-13 2002-06-13 導光装置、照明装置、投射型表示装置 Expired - Fee Related JP4085708B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002172976A JP4085708B2 (ja) 2002-06-13 2002-06-13 導光装置、照明装置、投射型表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002172976A JP4085708B2 (ja) 2002-06-13 2002-06-13 導光装置、照明装置、投射型表示装置

Publications (3)

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JP2004020724A JP2004020724A (ja) 2004-01-22
JP2004020724A5 JP2004020724A5 (enExample) 2005-07-28
JP4085708B2 true JP4085708B2 (ja) 2008-05-14

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JP2002172976A Expired - Fee Related JP4085708B2 (ja) 2002-06-13 2002-06-13 導光装置、照明装置、投射型表示装置

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JP (1) JP4085708B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4502652B2 (ja) * 2004-02-06 2010-07-14 Ｎｅｃディスプレイソリューションズ株式会社 投写型表示装置の照明光学系
JP4144532B2 (ja) * 2004-02-23 2008-09-03 セイコーエプソン株式会社 照明装置および投射型表示装置
JP2006308678A (ja) * 2005-04-26 2006-11-09 Casio Comput Co Ltd 光源装置及び投影装置
JP2009258656A (ja) * 2008-03-28 2009-11-05 Brother Ind Ltd ライトパイプ、照明光学系及び画像投影装置
JP5255368B2 (ja) * 2008-08-12 2013-08-07 嶋田プレシジョン株式会社 多層フレキシブル光伝送体、照明装置及びソーラーパネル受光装置
JP2019174503A (ja) * 2018-03-27 2019-10-10 京セラ株式会社 集光機能を有する表示装置およびその製造方法、発電装置、並びに電子機器

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JP2004020724A (ja) 2004-01-22

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