Jean Ching-Hwa Chang
Inventor
Stats
- 8 US patents issued
- 12 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 8 US Patents Issued
- 12 US Applications Filed
- 103 Total Citation Count
- Jul 17, 2013 Most Recent Filing
- Jun 8, 2009 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
WALSIN LIHWA CORPORATION | 10
7 1 1 | 2009
2010 2012 2013 |
Inventor Addresses
Address | Duration |
---|---|
Taoyuan, TW | Aug 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 / Issued | Title | Citations |
---|---|---|---|
2014/0017,831 | 2014 | METHOD FOR ENHANCING ELECTRICAL INJECTION EFFICIENCY AND LIGHT EXTRACTION EFFICIENCY OF LIGHT-EMITTING DEVICES | 0 |
8597961 | 2013 | Method for improving internal quantum efficiency of group-III nitride-based light emitting device | 0 |
8513688 | 2013 | Method for enhancing electrical injection efficiency and light extraction efficiency of light-emitting devices | 1 |
8421104 | 2013 | Light emitting diode apparatus and method for enhancing luminous efficiency thereof | 1 |
8217488 | 2012 | GaN light emitting diode and method for increasing light extraction on GaN light emitting diode via sapphire shaping | 5 |
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