EPIVALLEY CO., LTD.

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H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 5357

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8124504 Method for growth of GaN single crystal, method for preparation of GaN substrate, process for producing GaN-based element, and GaN-based elementJan 21, 10Feb 28, 12[H01L]
8119499 Semiconductor substrate fabrication by etching of a peeling layerAug 24, 06Feb 21, 12[H01L]
7829435 Method for growth of GaN single crystal, method for preparation of GaN substrate, process for producing GaN-based element, and GaN-based elementAug 21, 09Nov 09, 10[H01L]
7498244 Method for fabricating GaN-based nitride layerAug 21, 04Mar 03, 09[H01L]
7244968 GaN-based semiconductor junction structureJun 03, 04Jul 17, 07[H01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8120047 III-nitride semiconductor light emitting deviceExpiredDec 29, 09Feb 21, 12[H01L]
8101965 III-nitride semiconductor light emitting device having a multilayered padExpiredDec 29, 09Jan 24, 12[H01L]
8053793 III-nitride semiconductor light emitting deviceExpiredOct 30, 06Nov 08, 11[H01L]
2011/0233,603 SEMICONDUCTOR LIGHT-EMITTING DEVICEAbandonedDec 04, 09Sep 29, 11[H01L]
7999270 III-nitride compound semiconductor light emitting device comprising layer with pinhole structureExpiredNov 15, 06Aug 16, 11[H01L]
7923749 III-nitride compound semiconductor light emitting deviceExpiredMar 25, 05Apr 12, 11[H01L]
7915636 III-nitride semiconductor light emitting deviceExpiredAug 21, 08Mar 29, 11[H01L]
2011/0062,487 SEMICONDUCTOR LIGHT EMITTING DEVICEAbandonedSep 19, 08Mar 17, 11[H01L]
2011/0001,158 III-NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICEAbandonedSep 19, 08Jan 06, 11[H01L]
7863178 Method for manufacturing a GaN based optical deviceExpiredAug 21, 04Jan 04, 11[H01L]
2010/0289,036 III-NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAMEAbandonedDec 31, 08Nov 18, 10[H01L]
2010/0289,431 Dimming Control Method for DisplayAbandonedAug 02, 10Nov 18, 10[H05B]
2010/0239,210 Multipurpose Telecommunications ModulesAbandonedMar 22, 10Sep 23, 10[G02B, H05K]
7795610 Semiconductor light emitting deviceExpiredAug 21, 08Sep 14, 10[H01L]
2010/0140,656 Semiconductor Light-Emitting DeviceAbandonedDec 28, 09Jun 10, 10[H01L]
2010/0127,239 III-Nitride Semiconductor Light Emitting DeviceAbandonedDec 29, 09May 27, 10[H01L]
2010/0102,338 III-Nitride Semiconductor Light Emitting DeviceAbandonedDec 28, 09Apr 29, 10[H01L]
2010/0102,351 Semiconductor Light Emitting Device and Method of Manufacturing the SameAbandonedDec 23, 09Apr 29, 10[H01L]
2010/0102,352 III-Nitride Semiconductor Light Emitting DeviceAbandonedDec 28, 09Apr 29, 10[H01L]
2010/0102,353 III-Nitride Semiconductor Light Emitting DeviceAbandonedDec 29, 09Apr 29, 10[H01L]

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