JP5919622B2 - 偏光変換素子、偏光変換ユニット及び投写型映像装置 - Google Patents

偏光変換素子、偏光変換ユニット及び投写型映像装置 Download PDF

Info

Publication number
JP5919622B2
JP5919622B2 JP2011011086A JP2011011086A JP5919622B2 JP 5919622 B2 JP5919622 B2 JP 5919622B2 JP 2011011086 A JP2011011086 A JP 2011011086A JP 2011011086 A JP2011011086 A JP 2011011086A JP 5919622 B2 JP5919622 B2 JP 5919622B2
Authority
JP
Japan
Prior art keywords
polarization conversion
light
polarization
polarized light
conversion element
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
JP2011011086A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012154959A (ja
JP2012154959A5 (enExample
Inventor
衆方 小林
衆方 小林
充 宮原
充 宮原
誠 櫻井
誠 櫻井
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
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2011011086A priority Critical patent/JP5919622B2/ja
Priority to US13/313,546 priority patent/US9001279B2/en
Priority to CN201210018051.8A priority patent/CN102608747B/zh
Publication of JP2012154959A publication Critical patent/JP2012154959A/ja
Publication of JP2012154959A5 publication Critical patent/JP2012154959A5/ja
Application granted granted Critical
Publication of JP5919622B2 publication Critical patent/JP5919622B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • 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)
JP2011011086A 2011-01-21 2011-01-21 偏光変換素子、偏光変換ユニット及び投写型映像装置 Expired - Fee Related JP5919622B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011011086A JP5919622B2 (ja) 2011-01-21 2011-01-21 偏光変換素子、偏光変換ユニット及び投写型映像装置
US13/313,546 US9001279B2 (en) 2011-01-21 2011-12-07 Polarization conversion device, polarization conversion unit, and projection type video apparatus
CN201210018051.8A CN102608747B (zh) 2011-01-21 2012-01-19 偏振变换元件、偏振变换单元以及投影型影像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011011086A JP5919622B2 (ja) 2011-01-21 2011-01-21 偏光変換素子、偏光変換ユニット及び投写型映像装置

Publications (3)

Publication Number Publication Date
JP2012154959A JP2012154959A (ja) 2012-08-16
JP2012154959A5 JP2012154959A5 (enExample) 2014-02-06
JP5919622B2 true JP5919622B2 (ja) 2016-05-18

Family

ID=46526233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011011086A Expired - Fee Related JP5919622B2 (ja) 2011-01-21 2011-01-21 偏光変換素子、偏光変換ユニット及び投写型映像装置

Country Status (3)

Country Link
US (1) US9001279B2 (enExample)
JP (1) JP5919622B2 (enExample)
CN (1) CN102608747B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105339818B (zh) * 2013-06-27 2018-07-06 迪睿合株式会社 偏振光转换器、偏振光转换器的制造方法以及光学设备
JP6287037B2 (ja) * 2013-10-16 2018-03-07 セイコーエプソン株式会社 偏光変換素子、プロジェクター、および偏光変換素子の製造方法
CN103543588B (zh) * 2013-10-30 2016-02-17 深圳雅图数字视频技术有限公司 投影机的光学系统及投影机
CN103995363A (zh) 2014-05-07 2014-08-20 京东方科技集团股份有限公司 一种偏振分光器、背光模组和显示装置
KR102482724B1 (ko) * 2017-12-19 2022-12-28 엘지디스플레이 주식회사 광학 필름 및 그를 이용한 백라이트 유닛과 표시 장치
DE102019200193B3 (de) 2019-01-09 2020-02-06 Carl Zeiss Smt Gmbh Optisches System für eine Projektionsbelichtungsanlage
CN109739054B (zh) 2019-02-28 2021-07-30 上海天马微电子有限公司 显示装置
CN112631057B (zh) * 2020-12-31 2025-10-24 北京一数科技有限公司 分光偏振装置、LCoS投影光机及激光电视

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6404550B1 (en) * 1996-07-25 2002-06-11 Seiko Epson Corporation Optical element suitable for projection display apparatus
JP3515471B2 (ja) 1996-07-25 2004-04-05 セイコーエプソン株式会社 光学素子の製造方法
JPH1039136A (ja) * 1996-07-25 1998-02-13 Seiko Epson Corp 光学素子および投写型表示装置
US6144492A (en) 1996-11-28 2000-11-07 Sony Corporation Optical block and display unit
JP3610764B2 (ja) * 1998-02-25 2005-01-19 セイコーエプソン株式会社 光学装置、及びこれを備えた投写型表示装置
JP2002014419A (ja) * 2000-06-28 2002-01-18 Seiko Epson Corp プロジェクタ
JP4277514B2 (ja) 2002-11-22 2009-06-10 エプソントヨコム株式会社 積層波長板
JP4329508B2 (ja) 2003-11-21 2009-09-09 エプソントヨコム株式会社 旋光能補正広帯域１／４波長板及びこれを用いた光ピックアップ装置
JP2006163103A (ja) * 2004-12-09 2006-06-22 Seiko Epson Corp プロジェクタ
JP4939779B2 (ja) * 2005-08-09 2012-05-30 株式会社日立製作所 投射型映像表示装置
JP2007093964A (ja) * 2005-09-28 2007-04-12 Epson Toyocom Corp 偏光変換素子
JP2007309963A (ja) * 2006-05-16 2007-11-29 Hitachi Ltd 投射型表示装置
JP4802951B2 (ja) * 2006-09-11 2011-10-26 セイコーエプソン株式会社 偏光変換素子
WO2008068753A2 (en) * 2006-12-04 2008-06-12 Ben-Gurion University Of The Negev - Research And Development Authority Polarization independent birefringent tunable filters
JP4337935B2 (ja) 2007-07-11 2009-09-30 セイコーエプソン株式会社 接合体および接合方法
JP4329852B2 (ja) * 2007-07-11 2009-09-09 セイコーエプソン株式会社 偏光変換ユニット、偏光変換装置、およびプロジェクタ
JP2009103863A (ja) 2007-10-23 2009-05-14 Epson Toyocom Corp 位相差板及びプロジェクタ
JP2010060770A (ja) 2008-09-03 2010-03-18 Epson Toyocom Corp 光学物品及び光学物品の製造方法
JP5051475B2 (ja) 2008-10-27 2012-10-17 セイコーエプソン株式会社 １／４波長板、光ピックアップ装置及び反射型液晶表示装置
JP2010204333A (ja) * 2009-03-03 2010-09-16 Seiko Epson Corp プロジェクター

Also Published As

Publication number Publication date
CN102608747A (zh) 2012-07-25
JP2012154959A (ja) 2012-08-16
US9001279B2 (en) 2015-04-07
US20120188471A1 (en) 2012-07-26
CN102608747B (zh) 2014-09-03

Similar Documents

Publication Publication Date Title
JP5919622B2 (ja) 偏光変換素子、偏光変換ユニット及び投写型映像装置
CN102809775B (zh) 偏振变换元件、偏振变换单元以及投影型图像装置
US9341883B2 (en) Display module and light guide device
US8764197B2 (en) Polarization conversion element, polarization converting unit, and projecting apparatus
US8807755B2 (en) Polarization beam splitting element and image projection apparatus
JP2006133403A (ja) 偏光分離素子
JP5051830B2 (ja) 偏光照明装置および投射型画像表示装置
JP2013025065A (ja) 波長板、偏光変換素子、偏光変換ユニット及び投射装置
CN100568082C (zh) 投影机及光学部件
JP2013003368A (ja) 偏光変換素子、偏光変換ユニット及び投射装置
JP2012226240A (ja) 偏光変換素子、偏光変換ユニット及び投射装置
JP4747078B2 (ja) 偏光変換素子および投写型表示装置
JP2012181385A (ja) 偏光コンバーター
JP2012255821A (ja) 偏光変換素子、偏光変換ユニット及び投写型映像装置
JP2012154960A (ja) 偏光変換素子、偏光変換ユニット及び投写型映像装置
JP5583558B2 (ja) 偏光変換照明装置およびこれを用いた表示装置
JP2013025064A (ja) 波長板、偏光変換素子、偏光変換ユニット及び投射装置
JP5257182B2 (ja) プロジェクター
JP2012220908A (ja) 偏光変換素子、偏光変換ユニット及び投写装置
CN115793366A (zh) 光线折转装置以及投影系统
JP2013003491A (ja) 偏光変換素子、偏光変換ユニット及び投射装置
JP2012247706A (ja) 偏光変換素子、偏光変換ユニット及び投写型映像装置
CN112578617A (zh) 一种光学引擎系统及投影系统
JP2012133269A (ja) 波長板、偏光変換素子、偏光変換ユニット及び投写装置
JP2009128568A (ja) 偏光変換素子及びプロジェクタ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131213

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20131213

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140813

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140916

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141113

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150428

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150625

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20151222

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160115

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: 20160315

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160328

R150 Certificate of patent or registration of utility model

Ref document number: 5919622

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees