JP5768428B2 - プロジェクター - Google Patents

プロジェクター Download PDF

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Publication number
JP5768428B2
JP5768428B2 JP2011064008A JP2011064008A JP5768428B2 JP 5768428 B2 JP5768428 B2 JP 5768428B2 JP 2011064008 A JP2011064008 A JP 2011064008A JP 2011064008 A JP2011064008 A JP 2011064008A JP 5768428 B2 JP5768428 B2 JP 5768428B2
Authority
JP
Japan
Prior art keywords
liquid crystal
light
incident
polarizing plate
rotation angle
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.)
Active
Application number
JP2011064008A
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English (en)
Japanese (ja)
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JP2012198457A5 (enExample
JP2012198457A (ja
Inventor
彩映 沢渡
彩映 沢渡
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 JP2011064008A priority Critical patent/JP5768428B2/ja
Priority to US13/422,340 priority patent/US8866977B2/en
Publication of JP2012198457A publication Critical patent/JP2012198457A/ja
Publication of JP2012198457A5 publication Critical patent/JP2012198457A5/ja
Application granted granted Critical
Publication of JP5768428B2 publication Critical patent/JP5768428B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • 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)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Microscoopes, Condenser (AREA)
JP2011064008A 2011-03-23 2011-03-23 プロジェクター Active JP5768428B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011064008A JP5768428B2 (ja) 2011-03-23 2011-03-23 プロジェクター
US13/422,340 US8866977B2 (en) 2011-03-23 2012-03-16 Projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011064008A JP5768428B2 (ja) 2011-03-23 2011-03-23 プロジェクター

Publications (3)

Publication Number Publication Date
JP2012198457A JP2012198457A (ja) 2012-10-18
JP2012198457A5 JP2012198457A5 (enExample) 2014-03-27
JP5768428B2 true JP5768428B2 (ja) 2015-08-26

Family

ID=46877076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011064008A Active JP5768428B2 (ja) 2011-03-23 2011-03-23 プロジェクター

Country Status (2)

Country Link
US (1) US8866977B2 (enExample)
JP (1) JP5768428B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6061512B2 (ja) * 2012-06-21 2017-01-18 ミネベア株式会社 照明装置及びこれに用いるレンズシートの作製方法
JP6198045B2 (ja) * 2012-08-31 2017-09-20 パナソニックＩｐマネジメント株式会社 液晶表示装置
US9563107B2 (en) * 2014-10-15 2017-02-07 Hong Fu Jin Precision Industry (Wuhan) Co., Ltd. Imaging device
CN110133859B (zh) * 2018-02-09 2021-09-03 中强光电股份有限公司 显示装置
CN115480401A (zh) 2021-06-16 2022-12-16 中强光电股份有限公司 照明系统及投影装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6805445B2 (en) * 2002-06-05 2004-10-19 Eastman Kodak Company Projection display using a wire grid polarization beamsplitter with compensator
US7131737B2 (en) * 2002-06-05 2006-11-07 Moxtek, Inc. Housing for mounting a beamsplitter and a spatial light modulator with an output optical path
JP2004126496A (ja) * 2002-08-05 2004-04-22 Hitachi Ltd 光学ユニット及びそれを用いた投射型映像表示装置
US7643053B2 (en) * 2005-08-04 2010-01-05 Victor Company Of Japan, Ltd. Reflective liquid crystal display device and projection display apparatus using the same
JP4798366B2 (ja) 2005-08-04 2011-10-19 日本ビクター株式会社 反射型液晶表示素子及び投射型表示装置
JP4661510B2 (ja) * 2005-10-03 2011-03-30 日本ビクター株式会社 投射表示装置及び３板式液晶プロジェクタ
US8094270B2 (en) * 2005-12-06 2012-01-10 Jds Uniphase Corporation Thin-film optical retarders
JP4586781B2 (ja) * 2006-09-14 2010-11-24 ソニー株式会社 位相差補償板、位相差補償器、液晶表示装置および投射型画像表示装置
JP2008275798A (ja) * 2007-04-26 2008-11-13 Victor Co Of Japan Ltd 投射型表示装置

Also Published As

Publication number Publication date
JP2012198457A (ja) 2012-10-18
US8866977B2 (en) 2014-10-21
US20120242916A1 (en) 2012-09-27

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