JP4541757B2 - 偏光素子 - Google Patents

偏光素子 Download PDF

Info

Publication number
JP4541757B2
JP4541757B2 JP2004149224A JP2004149224A JP4541757B2 JP 4541757 B2 JP4541757 B2 JP 4541757B2 JP 2004149224 A JP2004149224 A JP 2004149224A JP 2004149224 A JP2004149224 A JP 2004149224A JP 4541757 B2 JP4541757 B2 JP 4541757B2
Authority
JP
Japan
Prior art keywords
period
incident
light beam
polarizing element
layer
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
Application number
JP2004149224A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005331671A (ja
JP2005331671A5 (enrdf_load_stackoverflow
Inventor
和彦 桃木
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.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004149224A priority Critical patent/JP4541757B2/ja
Priority to US11/122,153 priority patent/US7155073B2/en
Publication of JP2005331671A publication Critical patent/JP2005331671A/ja
Priority to US11/433,233 priority patent/US7236655B2/en
Publication of JP2005331671A5 publication Critical patent/JP2005331671A5/ja
Application granted granted Critical
Publication of JP4541757B2 publication Critical patent/JP4541757B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Polarising Elements (AREA)
  • Projection Apparatus (AREA)
JP2004149224A 2004-05-07 2004-05-19 偏光素子 Expired - Fee Related JP4541757B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004149224A JP4541757B2 (ja) 2004-05-19 2004-05-19 偏光素子
US11/122,153 US7155073B2 (en) 2004-05-07 2005-05-03 Polarization element and optical device using polarization element
US11/433,233 US7236655B2 (en) 2004-05-07 2006-05-12 Polarization element and optical device using polarization element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004149224A JP4541757B2 (ja) 2004-05-19 2004-05-19 偏光素子

Publications (3)

Publication Number Publication Date
JP2005331671A JP2005331671A (ja) 2005-12-02
JP2005331671A5 JP2005331671A5 (enrdf_load_stackoverflow) 2007-06-28
JP4541757B2 true JP4541757B2 (ja) 2010-09-08

Family

ID=35486383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004149224A Expired - Fee Related JP4541757B2 (ja) 2004-05-07 2004-05-19 偏光素子

Country Status (1)

Country Link
JP (1) JP4541757B2 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4915854B2 (ja) * 2006-02-07 2012-04-11 株式会社リコー 光走査装置及び画像形成装置
JP5100146B2 (ja) * 2006-02-28 2012-12-19 キヤノン株式会社 光学素子及び光学素子の製造方法
KR20090009942A (ko) * 2006-05-02 2009-01-23 홀로그램 인더스트리즈 광학 보안 마킹 컴포넌트, 그 컴포넌트의 제조 방법, 그 컴포넌트를 포함하는 시스템 및 그 컴포넌트를 점검하기 위한 리더
US7674573B2 (en) * 2006-08-08 2010-03-09 Canon Kabushiki Kaisha Method for manufacturing layered periodic structures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001209189A (ja) * 2000-01-28 2001-08-03 Univ Tohoku 積層構造体
JP4125114B2 (ja) * 2001-12-27 2008-07-30 キヤノン株式会社 光学素子、光学変調素子、画像表示装置

Also Published As

Publication number Publication date
JP2005331671A (ja) 2005-12-02

Similar Documents

Publication Publication Date Title
JP4593894B2 (ja) 光学式エンコーダ
JP2006133403A (ja) 偏光分離素子
US7236655B2 (en) Polarization element and optical device using polarization element
US8009355B2 (en) Optical element having periodic structure and optical apparatus using the same
US7800823B2 (en) Polarization device to polarize and further control light
JP5930600B2 (ja) 偏光分離素子および画像投射装置
WO2011122555A1 (ja) 光学素子、光源装置、および投射型表示装置
JP4574439B2 (ja) 偏光分離素子及びそれを有する投影装置
JP4125114B2 (ja) 光学素子、光学変調素子、画像表示装置
JP2006047903A (ja) 偏光分離素子及びそれを有する投影装置
JP2006133402A (ja) 偏光分離素子及びそれを有する光学系
JP5765984B2 (ja) 偏光分離素子および画像投射装置
JP4541757B2 (ja) 偏光素子
JP4537115B2 (ja) 偏光分離プリズム
JP2006133402A5 (enrdf_load_stackoverflow)
JP5051830B2 (ja) 偏光照明装置および投射型画像表示装置
JP5188524B2 (ja) 偏光分離素子
JP2005321562A5 (enrdf_load_stackoverflow)
US8064134B2 (en) Optical element and image projection apparatus
JP6940928B2 (ja) 偏光解消素子及びその製造方法、並びにそれを用いた光学機器及び液晶表示装置
JP5013315B2 (ja) 照明光源装置、液晶表示装置、およびプロジェクタ
JP2017083719A (ja) 偏光素子およびそれを有する投射型画像表示装置
JP2017083718A (ja) 偏光素子及びそれを用いた投影装置
WO2011125479A1 (ja) 偏光導光板、照明装置および投射型表示装置
JP2012247455A (ja) 偏光分離素子

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070514

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070514

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20091216

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100105

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100201

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100304

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100622

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100624

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130702

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees