GB2463733B - Wide angle projection lens module - Google Patents

Wide angle projection lens module

Info

Publication number
GB2463733B
GB2463733B GB0817808A GB0817808A GB2463733B GB 2463733 B GB2463733 B GB 2463733B GB 0817808 A GB0817808 A GB 0817808A GB 0817808 A GB0817808 A GB 0817808A GB 2463733 B GB2463733 B GB 2463733B
Authority
GB
United Kingdom
Prior art keywords
projection lens
lens module
wide angle
angle projection
wide
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
GB0817808A
Other versions
GB0817808D0 (en
GB2463733A9 (en
GB2463733A (en
Inventor
kai-chang Lu
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.)
Meistream International Optical Ltd
Original Assignee
Meistream International Optical Ltd
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 Meistream International Optical Ltd filed Critical Meistream International Optical Ltd
Priority to GB0817808A priority Critical patent/GB2463733B/en
Publication of GB0817808D0 publication Critical patent/GB0817808D0/en
Publication of GB2463733A publication Critical patent/GB2463733A/en
Publication of GB2463733A9 publication Critical patent/GB2463733A9/en
Application granted granted Critical
Publication of GB2463733B publication Critical patent/GB2463733B/en
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
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • 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
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
GB0817808A 2008-09-29 2008-09-29 Wide angle projection lens module Expired - Fee Related GB2463733B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0817808A GB2463733B (en) 2008-09-29 2008-09-29 Wide angle projection lens module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0817808A GB2463733B (en) 2008-09-29 2008-09-29 Wide angle projection lens module

Publications (4)

Publication Number Publication Date
GB0817808D0 GB0817808D0 (en) 2008-11-05
GB2463733A GB2463733A (en) 2010-03-31
GB2463733A9 GB2463733A9 (en) 2010-07-14
GB2463733B true GB2463733B (en) 2010-10-13

Family

ID=40019734

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0817808A Expired - Fee Related GB2463733B (en) 2008-09-29 2008-09-29 Wide angle projection lens module

Country Status (1)

Country Link
GB (1) GB2463733B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1205791A1 (en) * 1999-08-04 2002-05-15 Sanyo Electric Corporation Limited Rear surface projection type display device
US20030067691A1 (en) * 2001-07-18 2003-04-10 Katsumi Kurematsu Projection optical system, image display apparatus, and image display system
US20030107716A1 (en) * 2001-12-12 2003-06-12 Nec Viewtechnology, Ltd. Reflection type image forming optical system and projector
US20050200974A1 (en) * 2004-03-12 2005-09-15 Jun Nishikawa Projection optical system and image projection apparatus
US20060139577A1 (en) * 2004-12-24 2006-06-29 Sanyo Electric Co., Ltd. Rear projection display
EP1852723A2 (en) * 2006-05-01 2007-11-07 Ricoh Company, Ltd. Projection optical system and image display apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1205791A1 (en) * 1999-08-04 2002-05-15 Sanyo Electric Corporation Limited Rear surface projection type display device
US20030067691A1 (en) * 2001-07-18 2003-04-10 Katsumi Kurematsu Projection optical system, image display apparatus, and image display system
US20030107716A1 (en) * 2001-12-12 2003-06-12 Nec Viewtechnology, Ltd. Reflection type image forming optical system and projector
US20050200974A1 (en) * 2004-03-12 2005-09-15 Jun Nishikawa Projection optical system and image projection apparatus
US20060139577A1 (en) * 2004-12-24 2006-06-29 Sanyo Electric Co., Ltd. Rear projection display
EP1852723A2 (en) * 2006-05-01 2007-11-07 Ricoh Company, Ltd. Projection optical system and image display apparatus

Also Published As

Publication number Publication date
GB0817808D0 (en) 2008-11-05
GB2463733A9 (en) 2010-07-14
GB2463733A (en) 2010-03-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120929