IN2014DN06746A - - Google Patents

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Publication number
IN2014DN06746A
IN2014DN06746A IN6746DEN2014A IN2014DN06746A IN 2014DN06746 A IN2014DN06746 A IN 2014DN06746A IN 6746DEN2014 A IN6746DEN2014 A IN 6746DEN2014A IN 2014DN06746 A IN2014DN06746 A IN 2014DN06746A
Authority
IN
India
Prior art keywords
light
axis
solid state
exit surface
source device
Prior art date
Application number
Other languages
English (en)
Inventor
Koichi Akiyama
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
Publication of IN2014DN06746A publication Critical patent/IN2014DN06746A/en

Links

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0905—Dividing and/or superposing multiple light beams
    • 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
    • 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
    • G02B27/285—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 comprising arrays of elements, e.g. microprisms
    • 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
    • G02B27/30—Collimators
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • 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
    • 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
    • H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Polarising Elements (AREA)
IN6746DEN2014 2012-02-16 2013-02-08 IN2014DN06746A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012031849A JP5957937B2 (ja) 2012-02-16 2012-02-16 照明装置およびプロジェクター
PCT/JP2013/000721 WO2013121765A2 (en) 2012-02-16 2013-02-08 Illumination device and projector

Publications (1)

Publication Number Publication Date
IN2014DN06746A true IN2014DN06746A (enrdf_load_stackoverflow) 2015-05-22

Family

ID=47884451

Family Applications (1)

Application Number Title Priority Date Filing Date
IN6746DEN2014 IN2014DN06746A (enrdf_load_stackoverflow) 2012-02-16 2013-02-08

Country Status (9)

Country Link
US (1) US9961314B2 (enrdf_load_stackoverflow)
EP (1) EP2815274B1 (enrdf_load_stackoverflow)
JP (1) JP5957937B2 (enrdf_load_stackoverflow)
KR (1) KR101723888B1 (enrdf_load_stackoverflow)
CN (1) CN103257519B (enrdf_load_stackoverflow)
IN (1) IN2014DN06746A (enrdf_load_stackoverflow)
RU (1) RU2583340C2 (enrdf_load_stackoverflow)
TW (1) TWI456332B (enrdf_load_stackoverflow)
WO (1) WO2013121765A2 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6550781B2 (ja) * 2015-02-17 2019-07-31 セイコーエプソン株式会社 光源装置およびプロジェクター
US10185153B2 (en) 2016-08-12 2019-01-22 Avegant Corp. Orthogonal optical path length extender
US10187634B2 (en) 2016-08-12 2019-01-22 Avegant Corp. Near-eye display system including a modulation stack
US10401639B2 (en) * 2016-08-12 2019-09-03 Avegant Corp. Method and apparatus for an optical path length extender
CN114963114B (zh) * 2017-01-27 2025-04-11 麦克赛尔株式会社 前灯装置
US10914444B2 (en) 2017-04-24 2021-02-09 Stanley Electric Co., Ltd. Lamp unit, vehicular lamp system
CN109899764A (zh) * 2017-12-07 2019-06-18 斯坦雷电气株式会社 车辆用灯具系统
JP6898214B2 (ja) * 2017-12-08 2021-07-07 マクセル株式会社 ヘッドライト装置
JP7151497B2 (ja) * 2019-01-17 2022-10-12 ウシオ電機株式会社 光源装置
CN114987355B (zh) * 2022-05-16 2024-11-12 中国第一汽车股份有限公司 一种汽车悬浮显示车标装置
WO2025053302A1 (ko) * 2023-09-06 2025-03-13 엘지전자 주식회사 편광 변환 소자 및 이를 구비한 광원 모듈

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DE3629253A1 (de) * 1986-08-28 1988-03-10 Docter Optic Wetzlar Gmbh Beleuchtungssystem fuer projektionszwecke
JPH0628994A (ja) * 1992-07-07 1994-02-04 Insutoron Japan Kk Ｓｅｍ画像自動追尾装置
JP3207022B2 (ja) 1992-11-24 2001-09-10 株式会社日立製作所 投射型表示装置用光源、照明装置および液晶投射型表示装置
JPH10319873A (ja) * 1997-05-15 1998-12-04 Mitsubishi Electric Corp 光源ユニットおよびこれを用いた表示装置、表示器、照明装置
JP3832076B2 (ja) * 1998-02-16 2006-10-11 セイコーエプソン株式会社 偏光照明装置および投写型表示装置
JP2002048999A (ja) * 2000-08-01 2002-02-15 Mitsubishi Electric Corp 集光光学システムおよび該集光光学システムを用いる投射型表示装置
JP3972680B2 (ja) * 2001-06-21 2007-09-05 ソニー株式会社 照明光学ユニット，液晶プロジェクタ
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Also Published As

Publication number Publication date
WO2013121765A3 (en) 2014-01-30
KR101723888B1 (ko) 2017-04-06
US9961314B2 (en) 2018-05-01
TW201335692A (zh) 2013-09-01
RU2014137248A (ru) 2016-04-10
WO2013121765A2 (en) 2013-08-22
CN103257519B (zh) 2015-08-19
KR20140123590A (ko) 2014-10-22
RU2583340C2 (ru) 2016-05-10
EP2815274A2 (en) 2014-12-24
JP5957937B2 (ja) 2016-07-27
US20140340588A1 (en) 2014-11-20
CN103257519A (zh) 2013-08-21
WO2013121765A8 (en) 2014-04-10
TWI456332B (zh) 2014-10-11
JP2013168316A (ja) 2013-08-29
EP2815274B1 (en) 2017-08-09

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