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PEI-HUNG MENG
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TAIPEI COUNTY, TW
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Patents Grants
last 30 patents
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Patent Grant
Light-emitting structure for generating an annular illumination effect
Patent number
7,699,490
Issue date
Apr 20, 2010
Ledtech Electronics Corp.
Chien-Hung Tsai
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
ILLUMINATION STRUCTURE AND LAMP TUBE STRUCTURE FOR GENERATING SPECI...
Publication number
20110280020
Publication date
Nov 17, 2011
LEDTECH ELECTRONICS CORP.
WEI-CHUN CHEN
F21 - LIGHTING
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Patent Application
LIGHT-EMITTING DIODE TUBE STRUCTURE
Publication number
20100110678
Publication date
May 6, 2010
LEDTECH ELECTRONICS
CHE-CHENG SHEN
F21 - LIGHTING
Information
Patent Application
Light-emitting structure for generating an annular illumination effect
Publication number
20100002425
Publication date
Jan 7, 2010
Chien-Hung Tsai
G02 - OPTICS