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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Light-emitting device using clad layer consisting of asymmetrical u...
Patent number
8,294,164
Issue date
Oct 23, 2012
WOOREE LST Co. Ltd.
Jae-Eung Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of determining compound ratio of compound semiconductor for...
Patent number
8,178,375
Issue date
May 15, 2012
Wooree Lst Co. Ltd
Do-Yeol Ahn
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Nitride semiconductor LED using a hybrid buffer layer and a fabrica...
Patent number
8,048,701
Issue date
Nov 1, 2011
Wooree Lst Co. Ltd
Youngkyn Noh
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT GENERATING DEVICE INCLUDING COMPOUND SEMICONDUCTOR AND METHOD...
Publication number
20110168973
Publication date
Jul 14, 2011
WOOREE LST CO., LTD.
Do-Yeol Ahn
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor Light Emitting Device
Publication number
20110140079
Publication date
Jun 16, 2011
WOOREE LST CO., LTD.
Jung Tae Jang
B82 - NANO-TECHNOLOGY
Information
Patent Application
LIGHT-EMITTING DEVICE USING CLAD LAYER CONSISTING OF ASYMMETRICAL U...
Publication number
20110084249
Publication date
Apr 14, 2011
WOOREE LST CO., LTD.
Jae-Eung Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
III-NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR FABR...
Publication number
20110042711
Publication date
Feb 24, 2011
WOOREE LST CO., LTD.
Yu-hang CHOI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR LIGHT EMITTING DEVICE
Publication number
20110017974
Publication date
Jan 27, 2011
WOOREE LST CO., LTD.
Do Yeol Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE USING COMPOUND SEMICONDUCTOR
Publication number
20110006320
Publication date
Jan 13, 2011
WOOREE LST CO., LTD.
Bun-Hei Koo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
III-NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR FABR...
Publication number
20100224894
Publication date
Sep 9, 2010
WOOREE LST CO., LTD.
Keuk KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND SEMICONDUCTOR LIGHT EMITTING DEVICE
Publication number
20100133532
Publication date
Jun 3, 2010
WOOREE LST CO., LTD.
Do Yeol Ahn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITRIDE SEMICONDUCTOR LED USING A HYBRID BUFFER LAYER AND A FABRICA...
Publication number
20100117057
Publication date
May 13, 2010
WOOREE LST CO., LTD.
Youngkyn Noh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME
Publication number
20100117105
Publication date
May 13, 2010
WOOREE LST CO. LTD.
Do Yeol Ahn
H01 - BASIC ELECTRIC ELEMENTS
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