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Shenzhen, CN
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Patents Grants
last 30 patents
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Patent Grant
Ultra-large size flat panel display maskless photolithography syste...
Patent number
9,001,305
Issue date
Apr 7, 2015
Wenhui Mei
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Double-sided maskless exposure system and method
Patent number
8,994,916
Issue date
Mar 31, 2015
Wenhui Mei
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
High efficiency micro projection optical engine
Patent number
8,403,496
Issue date
Mar 26, 2013
Butterfly Technology (Shenzhen) Limited
Lujie Qu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Ultra-Large Size Flat Panel Display Maskless Photolithography Syste...
Publication number
20130088704
Publication date
Apr 11, 2013
ZHONGSHAN AISCENT TECHNOLOGIES, INC.
Wenhui Mei
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Double-Sided Maskless Exposure System and Method
Publication number
20130044300
Publication date
Feb 21, 2013
Wenhui Mei
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POLARIZATION CONVERSION APPARATUS AND PROJECTION SYSTEM USING SAME
Publication number
20110051093
Publication date
Mar 3, 2011
BUTTERFLY TECHNOLOGY (SHENZHEN) LIMITED
Lujie Qu
G02 - OPTICS
Information
Patent Application
HIGH EFFICIENCY MICRO PROJECTION OPTICAL ENGINE
Publication number
20110007240
Publication date
Jan 13, 2011
BUTTERFLY TECHNOLOGY (SHENZHEN) LIMITED
Lujie Qu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIQUID-CRYSTAL PROJECTION SYSTEM
Publication number
20090279003
Publication date
Nov 12, 2009
BUTTERFLY TECHNOLOGY (SHENZHEN) LIMITED
Lujie QU
G02 - OPTICS