DE602005004316D1 - Vorrichtung zur Beseitigung von Specklemustern in Laserprojektionssystemen - Google Patents

Vorrichtung zur Beseitigung von Specklemustern in Laserprojektionssystemen

Info

Publication number
DE602005004316D1
DE602005004316D1 DE602005004316T DE602005004316T DE602005004316D1 DE 602005004316 D1 DE602005004316 D1 DE 602005004316D1 DE 602005004316 T DE602005004316 T DE 602005004316T DE 602005004316 T DE602005004316 T DE 602005004316T DE 602005004316 D1 DE602005004316 D1 DE 602005004316D1
Authority
DE
Germany
Prior art keywords
laser projection
projection systems
speckle patterns
removing speckle
patterns
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
DE602005004316T
Other languages
English (en)
Other versions
DE602005004316T2 (de
Inventor
Chang-Hyeon Ji
Young-Joo Yee
Jeong-Hoon Choi
Seong-Hyok Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of DE602005004316D1 publication Critical patent/DE602005004316D1/de
Application granted granted Critical
Publication of DE602005004316T2 publication Critical patent/DE602005004316T2/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G02B27/48—Laser speckle optics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
DE602005004316T 2004-03-03 2005-02-22 Vorrichtung zur Beseitigung von Specklemustern in Laserprojektionssystemen Expired - Fee Related DE602005004316T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2004014398 2004-03-03
KR1020040014398A KR100595519B1 (ko) 2004-03-03 2004-03-03 디스플레이 시스템의 화질 열화 완화용 전자력 구동기

Publications (2)

Publication Number Publication Date
DE602005004316D1 true DE602005004316D1 (de) 2008-03-06
DE602005004316T2 DE602005004316T2 (de) 2008-11-27

Family

ID=34747984

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005004316T Expired - Fee Related DE602005004316T2 (de) 2004-03-03 2005-02-22 Vorrichtung zur Beseitigung von Specklemustern in Laserprojektionssystemen

Country Status (6)

Country Link
US (1) US7116017B2 (de)
EP (1) EP1571482B1 (de)
JP (1) JP2005250473A (de)
KR (1) KR100595519B1 (de)
CN (1) CN1665285A (de)
DE (1) DE602005004316T2 (de)

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US7679799B2 (en) * 2004-02-27 2010-03-16 Panasonic Corporation Illuminating light source including a light intensity modulator that oscillates a light from a coherent light source in a non-integral multiple of one cycle and two- dimensional image display using the same
KR100595519B1 (ko) * 2004-03-03 2006-07-03 엘지전자 주식회사 디스플레이 시스템의 화질 열화 완화용 전자력 구동기
JP4567409B2 (ja) * 2004-09-30 2010-10-20 マブチモーター株式会社 共振駆動アクチュエータ
KR100803222B1 (ko) * 2007-01-26 2008-02-14 삼성전자주식회사 스펙클 저감 레이저와 이를 채용한 레이저 디스플레이 장치
US20080192501A1 (en) * 2007-02-12 2008-08-14 Texas Instruments Incorporated System and method for displaying images
CN101661214B (zh) * 2008-08-27 2011-06-08 鸿富锦精密工业（深圳）有限公司 投影机
CN103647428B (zh) * 2008-10-22 2016-04-13 昕芙旎雅有限公司 线性驱动器
US8016422B2 (en) * 2008-10-28 2011-09-13 Eastman Kodak Company Etendue maintaining polarization switching system and related methods
CN101825832B (zh) * 2009-03-06 2012-08-22 上海三鑫科技发展有限公司 激光光学引擎
US8077367B2 (en) * 2009-04-29 2011-12-13 Corning Incorporated Speckle mitigation in laser projection systems
US8130433B2 (en) * 2009-04-29 2012-03-06 Corning Incorporated Spinning optics for speckle mitigation in laser projection systems
US8235531B2 (en) * 2009-06-22 2012-08-07 Eastman Kodak Company Optical interference reducing element for laser projection
US8220931B2 (en) 2009-07-07 2012-07-17 Eastman Kodak Company Etendue reduced stereo projection using segmented disk
US8066382B2 (en) * 2009-07-14 2011-11-29 Eastman Kodak Company Stereoscopic projector with rotating segmented disk
US8085467B1 (en) 2010-06-16 2011-12-27 Eastman Kodak Company Projection display surface providing speckle reduction
US8469519B2 (en) 2010-06-16 2013-06-25 Eastman Kodak Company Projection apparatus providing reduced speckle artifacts
JP5540991B2 (ja) 2010-08-19 2014-07-02 ソニー株式会社 光学装置および表示装置
CN102486576B (zh) * 2010-12-02 2013-08-14 杭州中科新松光电有限公司 一种振动式激光显示用消除散斑的装置及其消除方法
JP5790040B2 (ja) 2011-03-11 2015-10-07 ソニー株式会社 照明装置および表示装置
CN102736381A (zh) * 2011-04-09 2012-10-17 上海三鑫科技发展有限公司 反射型微型投影机用光学引擎
CN103062676B (zh) * 2012-11-21 2015-03-25 京东方科技集团股份有限公司 一种背光源和显示装置
CA2959734C (en) * 2014-09-08 2023-03-14 Reald Inc. Screen vibration for reducing speckle
RU2583163C1 (ru) * 2014-12-01 2016-05-10 Максим Яковлевич Афанасьев Оптико-механическая система
US9696472B2 (en) 2014-12-12 2017-07-04 Imax Theatres International Limited Stereo viewing device
CA2972206A1 (en) 2015-02-18 2016-08-25 Imax Theatres International Limited Despeckling system for projected light
CN105911808A (zh) * 2016-06-30 2016-08-31 海信集团有限公司 一种激光光源及激光投影设备
US9979939B2 (en) 2016-06-30 2018-05-22 Hisense Co., Ltd. Light source assembly and laser projector
CN106357081A (zh) * 2016-09-30 2017-01-25 骆金山 电磁推拉器
JP6832745B2 (ja) * 2017-02-28 2021-02-24 リコーインダストリアルソリューションズ株式会社 光学装置
CN109425996A (zh) * 2017-08-28 2019-03-05 四川长虹电器股份有限公司 一种提升激光投影显示画质的显示屏系统
EP3679409A2 (de) * 2017-09-01 2020-07-15 Wayräy Ag Torsionsfeder-specklediffusor
CN110474512A (zh) * 2019-08-21 2019-11-19 曹雪峰 一种集成式海流能量收集装置
US11487127B2 (en) * 2019-10-23 2022-11-01 Microsoft Technology Licensing, Llc Magnetic seesaw scanner
CN113325597A (zh) * 2020-02-28 2021-08-31 Tcl科技集团股份有限公司 消散斑机构及激光投影装置

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Publication number Priority date Publication date Assignee Title
US4100576A (en) * 1976-04-28 1978-07-11 Zenith Radio Corporation Electromagnetic optical beam controller having an eddy current damper for arresting mechanical resonance
DE2844694A1 (de) * 1977-10-13 1979-04-26 Minolta Camera Kk Elektromagnetanordnung
US4155630A (en) * 1977-11-17 1979-05-22 University Of Delaware Speckle elimination by random spatial phase modulation
JPS5913476A (ja) * 1982-07-14 1984-01-24 Sanyo Electric Co Ltd 撮像機構
JPS601998A (ja) * 1983-06-17 1985-01-08 Sony Corp モ−シヨナルフイ−ドバツク型スピ−カ
JPH039228A (ja) * 1989-06-05 1991-01-17 Jeol Ltd 駆動鏡位置検出装置
US5107366A (en) * 1989-09-28 1992-04-21 Nicolet Instrument Corporation High efficiency electromagnetic coil apparatus and method
US5621529A (en) * 1995-04-05 1997-04-15 Intelligent Automation Systems, Inc. Apparatus and method for projecting laser pattern with reduced speckle noise
US5883712A (en) * 1997-05-21 1999-03-16 Nicolet Instrument Corporation Interferometer of an infrared spectrometer with dynamic moving mirror alignment
US6523961B2 (en) * 2000-08-30 2003-02-25 Reflectivity, Inc. Projection system and mirror elements for improved contrast ratio in spatial light modulators
JP2003244921A (ja) * 2002-02-14 2003-08-29 Matsushita Refrig Co Ltd リニアモータおよびリニアコンプレッサ
JP4250409B2 (ja) * 2002-12-04 2009-04-08 日本電産サンキョー株式会社 レンズ駆動装置
KR100595519B1 (ko) * 2004-03-03 2006-07-03 엘지전자 주식회사 디스플레이 시스템의 화질 열화 완화용 전자력 구동기

Also Published As

Publication number Publication date
JP2005250473A (ja) 2005-09-15
US7116017B2 (en) 2006-10-03
DE602005004316T2 (de) 2008-11-27
EP1571482B1 (de) 2008-01-16
US20050195508A1 (en) 2005-09-08
CN1665285A (zh) 2005-09-07
EP1571482A1 (de) 2005-09-07
KR20050088849A (ko) 2005-09-07
KR100595519B1 (ko) 2006-07-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee