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Keng-Han Chuang

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  • Hsinchu, TW
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20250204099
    • Publication date Jun 19, 2025
    • EPISTAR CORPORATION
    • Heng-Ying CHO
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20210408338
    • Publication date Dec 30, 2021
    • EPISTAR CORPORATION
    • Heng-Ying CHO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Scanning Method for Touch Panel
    • Publication number 20150253921
    • Publication date Sep 10, 2015
    • AU OPTRONICS CORP.
    • Ren-Jie Pan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    LIGHT-EMITTING ELEMENT COMPRISING A REFLECTIVE STRUCTURE WITH HIGH...
    • Publication number 20140209949
    • Publication date Jul 31, 2014
    • EPISTAR CORPORATION
    • Keng-Lin CHUANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ILLUMINATION SYSTEM, PROJECTION DEVICE AND ILLUMINATION METHOD
    • Publication number 20140055754
    • Publication date Feb 27, 2014
    • Young Optics Inc.
    • Keng-Han Chuang
    • G02 - OPTICS
  • Information Patent Application

    LIGHT COMBINATION DEVICE
    • Publication number 20110199763
    • Publication date Aug 18, 2011
    • Chun-Fa HSU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL TOUCH SYSTEM
    • Publication number 20110090177
    • Publication date Apr 21, 2011
    • Young Optics Inc.
    • Keng-Han Chuang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20090021829
    • Publication date Jan 22, 2009
    • Young Optics Inc.
    • Sung-Nan Chen
    • G02 - OPTICS
  • Information Patent Application

    ILLUMINATION SYSTEM
    • Publication number 20090016061
    • Publication date Jan 15, 2009
    • Young Optics Inc.
    • Sung-Nan Chen
    • G02 - OPTICS
  • Information Patent Application

    ILLUMINATION SYSTEM
    • Publication number 20080252854
    • Publication date Oct 16, 2008
    • Young Optics Inc.
    • Long-Sheng Liao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ILLUMINATION SYSTEM
    • Publication number 20080239447
    • Publication date Oct 2, 2008
    • Young Optics Inc.
    • Yi-Hsueh Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ILLUMINATION SYSTEM AND PROJECTION APPARATUS
    • Publication number 20070291484
    • Publication date Dec 20, 2007
    • Young Optics Inc.
    • Sung-Nan Chen
    • G02 - OPTICS
  • Information Patent Application

    ILLUMINATION SYSTEM AND PROJECTION APPARATUS
    • Publication number 20070242231
    • Publication date Oct 18, 2007
    • Young Optics Inc.
    • Sung-Nan Chen
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    OPTICAL PROJECTION APPARATUS
    • Publication number 20060092388
    • Publication date May 4, 2006
    • Chia-Chen Liao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    OPTICAL SYSTEM FOR PROJECTION DISPLAY
    • Publication number 20040109146
    • Publication date Jun 10, 2004
    • Chia-Chen Liao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Optical system for projection display apparatus
    • Publication number 20040042098
    • Publication date Mar 4, 2004
    • Young Optics Inc.
    • Chia-Chen Liao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE