JP5765984B2 - 偏光分離素子および画像投射装置 - Google Patents

偏光分離素子および画像投射装置 Download PDF

Info

Publication number
JP5765984B2
JP5765984B2 JP2011070176A JP2011070176A JP5765984B2 JP 5765984 B2 JP5765984 B2 JP 5765984B2 JP 2011070176 A JP2011070176 A JP 2011070176A JP 2011070176 A JP2011070176 A JP 2011070176A JP 5765984 B2 JP5765984 B2 JP 5765984B2
Authority
JP
Japan
Prior art keywords
incident
polarization separation
light
refractive index
dielectric
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
JP2011070176A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012203329A (ja
JP2012203329A5 (enExample
Inventor
理絵 山本
理絵 山本
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 JP2011070176A priority Critical patent/JP5765984B2/ja
Priority to US13/432,104 priority patent/US8777416B2/en
Publication of JP2012203329A publication Critical patent/JP2012203329A/ja
Publication of JP2012203329A5 publication Critical patent/JP2012203329A5/ja
Application granted granted Critical
Publication of JP5765984B2 publication Critical patent/JP5765984B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2073—Polarisers in the lamp house
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/10—Simultaneous recording or projection
    • G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Polarising Elements (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
JP2011070176A 2011-03-28 2011-03-28 偏光分離素子および画像投射装置 Expired - Fee Related JP5765984B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011070176A JP5765984B2 (ja) 2011-03-28 2011-03-28 偏光分離素子および画像投射装置
US13/432,104 US8777416B2 (en) 2011-03-28 2012-03-28 Polarization beam splitting element and image projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011070176A JP5765984B2 (ja) 2011-03-28 2011-03-28 偏光分離素子および画像投射装置

Publications (3)

Publication Number Publication Date
JP2012203329A JP2012203329A (ja) 2012-10-22
JP2012203329A5 JP2012203329A5 (enExample) 2014-05-15
JP5765984B2 true JP5765984B2 (ja) 2015-08-19

Family

ID=46926841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011070176A Expired - Fee Related JP5765984B2 (ja) 2011-03-28 2011-03-28 偏光分離素子および画像投射装置

Country Status (2)

Country Link
US (1) US8777416B2 (enExample)
JP (1) JP5765984B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11301653B2 (en) * 2013-08-06 2022-04-12 Datalogic Ip Tech S.R.L. Laser light beam scanning device for reading coded information
JP2015152835A (ja) * 2014-02-17 2015-08-24 キヤノン株式会社 波長選択偏光素子、光学系および投射型表示装置
CN105388625B (zh) * 2015-12-23 2018-11-13 浙江大学 一种穿戴显示用分束器及其制备方法
KR102682340B1 (ko) 2016-02-24 2024-07-04 매직 립, 인코포레이티드 낮은 광 누설을 가진 편광 빔 분할기 및 이를 포함하는 디스플레이 시스템
US10139538B2 (en) * 2016-11-22 2018-11-27 Moxtek, Inc. Wire grid polarizer with high reflectivity on both sides
JP2020098259A (ja) 2018-12-18 2020-06-25 セイコーエプソン株式会社 表示装置、および反射型偏光素子

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009933A (en) * 1975-05-07 1977-03-01 Rca Corporation Polarization-selective laser mirror
JPH11211916A (ja) * 1998-01-27 1999-08-06 Nikon Corp 偏光ビームスプリッター
JP2000284121A (ja) * 1999-03-31 2000-10-13 Nitto Koki Kk 偏光分離膜および偏光分離プリズム
US6122103A (en) 1999-06-22 2000-09-19 Moxtech Broadband wire grid polarizer for the visible spectrum
US6288840B1 (en) 1999-06-22 2001-09-11 Moxtek Imbedded wire grid polarizer for the visible spectrum
US6672721B2 (en) * 2001-06-11 2004-01-06 3M Innovative Properties Company Projection system having low astigmatism
US20040227994A1 (en) * 2003-05-16 2004-11-18 Jiaying Ma Polarizing beam splitter and projection systems using the polarizing beam splitter
JP4513321B2 (ja) * 2003-12-24 2010-07-28 日本ビクター株式会社 色分解合成光学系
US7234816B2 (en) * 2004-02-03 2007-06-26 3M Innovative Properties Company Polarizing beam splitter assembly adhesive
US7570424B2 (en) 2004-12-06 2009-08-04 Moxtek, Inc. Multilayer wire-grid polarizer
US7961393B2 (en) * 2004-12-06 2011-06-14 Moxtek, Inc. Selectively absorptive wire-grid polarizer
JP2009507256A (ja) * 2005-09-02 2009-02-19 カラーリンク・インコーポレイテッド 偏光ビームスプリッタ及びコンバイナ
US20070297052A1 (en) * 2006-06-26 2007-12-27 Bin Wang Cube wire-grid polarizing beam splitter
JP4488033B2 (ja) * 2007-02-06 2010-06-23 ソニー株式会社 偏光素子及び液晶プロジェクター
JP2008233448A (ja) * 2007-03-20 2008-10-02 Konica Minolta Opto Inc ワイヤグリッド型偏光子の製造方法、ワイヤグリッド型偏光子、偏光板、及び液晶表示装置
JP2009047819A (ja) * 2007-08-17 2009-03-05 Sony Corp 偏光ビームスプリッタ、投写型光学装置、投写型表示装置
US8310621B2 (en) * 2008-02-13 2012-11-13 Sharp Kabushiki Kaisha Illumination device and liquid crystal display device

Also Published As

Publication number Publication date
JP2012203329A (ja) 2012-10-22
US8777416B2 (en) 2014-07-15
US20120249969A1 (en) 2012-10-04

Similar Documents

Publication Publication Date Title
JP5930600B2 (ja) 偏光分離素子および画像投射装置
JP5762086B2 (ja) 偏光分離素子および画像投射装置
TWI275892B (en) Dichroic mirror and projection type display unit
JP5765984B2 (ja) 偏光分離素子および画像投射装置
JP6414199B2 (ja) 色分解合成プリズムおよびそれを用いた光学系、プロジェクタ
JP2006133403A (ja) 偏光分離素子
JP2005077819A (ja) 偏光分離素子及びそれを用いた光学系、画像表示装置
JP4125114B2 (ja) 光学素子、光学変調素子、画像表示装置
JP2015152835A (ja) 波長選択偏光素子、光学系および投射型表示装置
JP2015094872A (ja) 偏光素子、光学装置、光源装置、および、撮像装置
JP2006133402A (ja) 偏光分離素子及びそれを有する光学系
JP6447511B2 (ja) 色分解合成プリズムおよびそれを用いた光学系
JP2010096843A (ja) 全反射プリズムおよび投影装置
US20120268719A1 (en) Polarizing beam splitter, polarization conversion element using the same, and image projection apparatus
JP2013250322A (ja) 画像表示装置
JP3730582B2 (ja) 色分離合成光学系及びそれを用いた投写型液晶表示装置
KR100856598B1 (ko) 파장선택성 편광변환소자, 조명광학계, 투사표시광학계 및화상투사장치
JP4537115B2 (ja) 偏光分離プリズム
JP2001183524A (ja) 投射型表示装置
JP5188524B2 (ja) 偏光分離素子
US10054850B2 (en) Light source device and projector
JP2012118452A (ja) 偏光変換光源装置およびそれを用いた投射型液晶表示装置
JP2017083718A (ja) 偏光素子及びそれを用いた投影装置
JP2018146738A (ja) ワイヤグリッド偏光分離素子およびそれを有する投射型表示装置
JP2019061234A (ja) 偏光分離素子および画像投射装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20140327

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140331

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150126

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150217

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150420

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: 20150519

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150616

R151 Written notification of patent or utility model registration

Ref document number: 5765984

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees