Jean Ching-Hwa Chang

Inventor

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Work History

Patent OwnerApplications FiledYear
WALSIN LIHWA CORPORATION
10
7
1
1
2009
2010
2012
2013

Inventor Addresses

AddressDuration
Taoyuan, TWAug 24, 10 - Jan 16, 14

Technology Profile

Technology Matters
H01L: SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 12

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
2014/0017,8312014METHOD FOR ENHANCING ELECTRICAL INJECTION EFFICIENCY AND LIGHT EXTRACTION EFFICIENCY OF LIGHT-EMITTING DEVICES0
85979612013Method for improving internal quantum efficiency of group-III nitride-based light emitting device0
85136882013Method for enhancing electrical injection efficiency and light extraction efficiency of light-emitting devices1
84211042013Light emitting diode apparatus and method for enhancing luminous efficiency thereof1
82174882012GaN light emitting diode and method for increasing light extraction on GaN light emitting diode via sapphire shaping5

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