AT543337T - Flat projector - Google Patents

Flat projector

Info

Publication number
AT543337T
AT543337T AT05786841T AT05786841T AT543337T AT 543337 T AT543337 T AT 543337T AT 05786841 T AT05786841 T AT 05786841T AT 05786841 T AT05786841 T AT 05786841T AT 543337 T AT543337 T AT 543337T
Authority
AT
Austria
Prior art keywords
flat projector
projector
flat
Prior art date
Application number
AT05786841T
Other languages
German (de)
Inventor
Seung Gyu Lee
Han Kyoung Cho
Nam Sik Kim
Ki So Bok
Jun Ho Lee
Soon Hyung Kwon
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
Priority to KR1020040109323A priority Critical patent/KR100685966B1/en
Priority to KR20040110193A priority patent/KR100672505B1/en
Priority to KR1020050045000A priority patent/KR100710303B1/en
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Priority to PCT/KR2005/002946 priority patent/WO2006068363A1/en
Publication of AT543337T publication Critical patent/AT543337T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/16Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416Projection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/317Convergence or focusing systems
AT05786841T 2004-12-21 2005-09-06 Flat projector AT543337T (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020040109323A KR100685966B1 (en) 2004-12-21 2004-12-21 Project device in Projector
KR20040110193A KR100672505B1 (en) 2004-12-22 2004-12-22 Project device in Projector
KR1020050045000A KR100710303B1 (en) 2005-05-27 2005-05-27 thin type projector
PCT/KR2005/002946 WO2006068363A1 (en) 2004-12-21 2005-09-06 Thin type projector

Publications (1)

Publication Number Publication Date
AT543337T true AT543337T (en) 2012-02-15

Family

ID=35966021

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05786841T AT543337T (en) 2004-12-21 2005-09-06 Flat projector

Country Status (5)

Country Link
US (2) US7540618B2 (en)
EP (2) EP1839438B1 (en)
JP (1) JP2006178468A (en)
AT (1) AT543337T (en)
WO (1) WO2006068363A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT543337T (en) * 2004-12-21 2012-02-15 Lg Electronics Inc Flat projector
KR100672506B1 (en) * 2004-12-22 2007-01-24 엘지전자 주식회사 Project device in Projector
JP4466515B2 (en) * 2005-05-26 2010-05-26 ソニー株式会社 Projection display
US20070091452A1 (en) * 2005-10-25 2007-04-26 Scott Lerner Projection system and method
JP4901595B2 (en) * 2007-03-06 2012-03-21 三洋電機株式会社 Projection display
US8096663B2 (en) * 2007-03-06 2012-01-17 Sanyo Electric Co., Ltd. Projection display device and stand used for the projection display device
TWI330295B (en) * 2007-04-23 2010-09-11 Coretronic Corp Projection apparatus
ITPS20070020A1 (en) * 2007-05-23 2008-11-24 Sgm Technology For Lighting Sp scenic projector Structure
KR101370911B1 (en) * 2007-10-23 2014-03-10 엘지전자 주식회사 thin type projector
KR20090058379A (en) * 2007-12-04 2009-06-09 삼성전자주식회사 Projection type image display apparatus
US20110063583A1 (en) * 2008-03-04 2011-03-17 Hiroyuki Saitou Illumination optical system and projection display apparatus
JP5493502B2 (en) * 2009-06-29 2014-05-14 セイコーエプソン株式会社 projector
JP5526722B2 (en) * 2009-11-13 2014-06-18 株式会社Jvcケンウッド projector
US20110285969A1 (en) * 2010-05-18 2011-11-24 Liu-Liang Liao Micro projection device for simplifying optical component and increasing light-guiding precision
CN102565896B (en) * 2010-12-30 2015-06-24 比亚迪股份有限公司 Prism system and projector with same

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US4613207A (en) 1984-05-08 1986-09-23 Manchester R & D Partnership Liquid crystal projector and method
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JPH0614255B2 (en) * 1989-07-20 1994-02-23 三洋電機株式会社 A liquid crystal projector
DE69030537T2 (en) * 1989-07-20 1997-12-04 Sanyo Electric Co liquid crystal projector
US5442484A (en) 1992-01-06 1995-08-15 Mitsubishi Denki Kabushiki Kaisha Retro-focus type lens and projection-type display apparatus
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US5434632A (en) * 1993-03-22 1995-07-18 U.S. Philips Corporation Image projection apparatus with a autofocusing system
US5806950A (en) 1994-06-03 1998-09-15 Kopin Corporation Compact high resolution light valve projector
JPH08201695A (en) 1995-01-31 1996-08-09 Canon Inc Rear focus type zoom lens
GB9503859D0 (en) 1995-02-25 1995-04-19 Philips Electronics Uk Ltd Projection lenses for light valve projection systems
JPH09297262A (en) * 1996-05-08 1997-11-18 Mitsubishi Electric Corp Projecting lens
US6008951A (en) * 1996-12-31 1999-12-28 Texas Instruments Incorporated Offset projection zoom lens with fixed rear group for reflective spatial light modulators
JP3335549B2 (en) * 1997-01-17 2002-10-21 松下電器産業株式会社 And image projection method to screen projection type video projector
JPH11211979A (en) * 1998-01-27 1999-08-06 Matsushita Electric Ind Co Ltd Projection image correcting lens, projection lens device, and projection type display device
JPH11305117A (en) * 1998-04-24 1999-11-05 Sony Corp Projection lens and method for adjusting focus of projection lens
JP3266854B2 (en) 1998-05-20 2002-03-18 旭光学工業株式会社 Reflective image projection apparatus
KR20000015666A (en) 1998-08-31 2000-03-15 구자홍 Vcr recording prevention circuit and the method
US6604831B1 (en) * 1999-12-17 2003-08-12 Hewlett-Packard Development Company, L.P. Elevatable display apparatus
US20020176054A1 (en) * 1999-12-30 2002-11-28 Mihalakis George M. Reflective liquid-crystal-on-silicon projection engine architecture
JP2001208966A (en) * 2000-01-28 2001-08-03 Fuji Photo Optical Co Ltd Wide-angle lens
KR100381262B1 (en) * 2000-08-10 2003-04-26 엘지전자 주식회사 Total Internal Reflection Prism System using the Digital Micromirror Device
US6485144B1 (en) * 2000-08-30 2002-11-26 Jung-Huang Liao Projector hanger frame
US6505940B1 (en) * 2000-10-31 2003-01-14 Eastman Kodak Company Digital projector
US6557999B1 (en) 2000-11-16 2003-05-06 Koninklijke Philips Electronics N.V. System and method for contrast enhancement in projection imaging system
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TW514350U (en) * 2001-06-22 2002-12-11 Coretronic Corp Projecting device with heat-dissipating fan
JP2003015033A (en) * 2001-06-28 2003-01-15 Minolta Co Ltd Projection optical system
JP2003066329A (en) * 2001-08-29 2003-03-05 Sony Corp Projection lens and video display device
JP2003084366A (en) 2001-09-10 2003-03-19 Tamron Co Ltd Projector
KR100433534B1 (en) 2002-01-09 2004-05-31 삼성전자주식회사 Project lens unit of projection TV
JP2003233008A (en) * 2002-02-08 2003-08-22 Olympus Optical Co Ltd Imaging apparatus
KR20040022976A (en) 2002-09-10 2004-03-18 삼성에스디아이 주식회사 A projection display system
US7014321B2 (en) * 2002-10-18 2006-03-21 Seiko Epson Corporation Illumination device, projector
JP2004177654A (en) 2002-11-27 2004-06-24 Fuji Photo Optical Co Ltd Projection picture display device
JP2004184768A (en) * 2002-12-04 2004-07-02 Kanebo Ltd Projector device
US6755540B1 (en) * 2002-12-11 2004-06-29 Virgil Sam Runco Lens shifting apparatus
KR20040072424A (en) * 2003-02-12 2004-08-18 엘지전자 주식회사 projection-type optical system of thin-type
JP2004326079A (en) * 2003-04-10 2004-11-18 Seiko Epson Corp Projection lens and projection type picture display device
JP2004347872A (en) * 2003-05-22 2004-12-09 Fuji Photo Optical Co Ltd Rear projection system
US7281807B2 (en) * 2003-07-16 2007-10-16 Honeywood Technologies, Llc Positionable projection display devices
JP4388335B2 (en) * 2003-09-19 2009-12-24 株式会社日立製作所 LCD projector
CA2540516C (en) * 2003-09-30 2010-02-09 Matsushita Electric Industrial Co., Ltd. Projection lens, and projection display apparatus and rear projection display apparatus using the projection lens
US7059732B2 (en) * 2003-11-26 2006-06-13 Hewlett-Packard Development Company, L.P. Portable projector system
US7367682B2 (en) * 2004-12-07 2008-05-06 Symbol Technologies, Inc. Color image projection arrangement and method
AT543337T (en) * 2004-12-21 2012-02-15 Lg Electronics Inc Flat projector

Also Published As

Publication number Publication date
EP1675393A3 (en) 2008-11-19
US20060132728A1 (en) 2006-06-22
US7540618B2 (en) 2009-06-02
US7611248B2 (en) 2009-11-03
EP1839438A4 (en) 2009-11-25
WO2006068363A1 (en) 2006-06-29
EP1839438B1 (en) 2012-01-25
JP2006178468A (en) 2006-07-06
EP1839438A1 (en) 2007-10-03
EP1675393A2 (en) 2006-06-28
US20060132727A1 (en) 2006-06-22

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