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Ansan-si, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting diode chip having distributed Bragg reflector and me...
Patent number
10,141,480
Issue date
Nov 27, 2018
SEOUL VIOSYS CO., LTD.
Sum Geun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode chip having distributed bragg reflector and me...
Patent number
10,128,306
Issue date
Nov 13, 2018
SEOUL VIOSYS CO., LTD.
Sum Geun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode chip having distributed Bragg reflector and me...
Patent number
9,577,157
Issue date
Feb 21, 2017
SEOUL VIOSYS CO., LTD.
Sum Geun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode chip having distributed bragg reflector and me...
Patent number
9,343,631
Issue date
May 17, 2016
SEOUL VIOSYS CO., LTD.
Sum Geun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode chip having distributed Bragg reflector and me...
Patent number
9,324,919
Issue date
Apr 26, 2016
SEOUL VIOSYS CO., LTD.
Sum Geun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode chip having distributed bragg reflector and me...
Patent number
8,963,178
Issue date
Feb 24, 2015
SEOUL VIOSYS CO., LTD.
Sum Geun Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode chip having distributed bragg reflector, metho...
Patent number
8,907,360
Issue date
Dec 9, 2014
SEOUL VIOSYS CO., LTD.
Chung Hoon Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
AC light emitting diode having full-wave light emitting cell and ha...
Patent number
8,354,680
Issue date
Jan 15, 2013
Seoul Opto Device Co., Ltd.
Dae Sung Kal
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting diode chip and method of fabricating the same
Patent number
8,314,440
Issue date
Nov 20, 2012
Seoul Opto Device Co., Ltd.
Min Chan Heo
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT EMITTING DIODE CHIP HAVING DISTRIBUTED BRAGG REFLECTOR AND ME...
Publication number
20170148845
Publication date
May 25, 2017
Seoul Viosys Co., Ltd.
Sum Geun LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE CHIP HAVING DISTRIBUTED BRAGG REFLECTOR AND ME...
Publication number
20160197243
Publication date
Jul 7, 2016
Seoul Viosys Co., Ltd.
Sum Geun LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE CHIP HAVING DISTRIBUTED BRAGG REFLECTOR AND ME...
Publication number
20150207039
Publication date
Jul 23, 2015
Seoul Viosys Co., Ltd.
Sum Geun LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE CHIP HAVING DISTRIBUTED BRAGG REFLECTOR AND ME...
Publication number
20150194573
Publication date
Jul 9, 2015
Seoul Viosys Co., Ltd.
Sum Geun LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE CHIP HAVING DISTRIBUTED BRAGG REFLECTOR AND ME...
Publication number
20140087502
Publication date
Mar 27, 2014
SEOUL OPTO DEVICE CO., LTD.
Sum Geun LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE CHIP AND METHOD OF FABRICATING THE SAME
Publication number
20120161176
Publication date
Jun 28, 2012
SEOUL OPTO DEVICE CO., LTD.
Min Chan HEO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE CHIP HAVING DISTRIBUTED BRAGG REFLECTOR AND ME...
Publication number
20110127549
Publication date
Jun 2, 2011
SEOUL OPTO DEVICE CO., LTD.
Sum Geun LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DIODE CHIP HAVING DISTRIBUTED BRAGG REFLECTOR, METHO...
Publication number
20110114969
Publication date
May 19, 2011
SEOUL OPTO DEVICE CO., LTD.
Chung Hoon LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AC LIGHT EMITTING DIODE HAVING FULL-WAVE LIGHT EMITTING CELL AND HA...
Publication number
20110062459
Publication date
Mar 17, 2011
SEOUL OPTO DEVICE CO., LTD.
Dae Sung KAL
H01 - BASIC ELECTRIC ELEMENTS