Inventor
CHANG CHIA-HUNG
CN35 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHIA-HUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD
17 patentsUS10312409B2Jun 4, 2019
Patterned sapphire substrate, light emitting diode and fabrication method thereof
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD3 citations71
US10211367B2Feb 19, 2019
Light emitting diode and fabrication method thereof
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD2 citations70
US12439743B2Oct 7, 2025
Light emitting diode device
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations61
US11862752B2Jan 2, 2024
Light-emitting diode and method for manufacturing the same
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations61
US11637223B2Apr 25, 2023
Light emitting diode device
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations61
US12294037B2May 6, 2025
Light-emitting diode chip and method for manufacturing the same
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations60
US12087885B2Sep 10, 2024
Light-emitting diode and method for manufacturing the same
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations60
US11721789B2Aug 8, 2023
Light-emitting diode device and method for manufacturing the same
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations60
US11532769B2Dec 20, 2022
Light-emitting diode and method for manufacturing the same
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations60
US11393950B2Jul 19, 2022
Light-emitting diode device and method for manufacturing the same
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations60
US10825957B1Nov 3, 2020
Light-emitting diode
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations49
US10707380B2Jul 7, 2020
Light-emitting diode
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations49
US10096746B2Oct 9, 2018
Semiconductor element and fabrication method thereof
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations48
US9929308B2Mar 27, 2018
Nitride light emitting diode and fabrication method thereof
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations47
US10263139B2Apr 16, 2019
Fabrication method of nitride light emitting diodes
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations46
US10242958B2Mar 26, 2019
High-voltage light emitting diode and fabrication method thereof
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations39
US10014436B2Jul 3, 2018
Method for manufacturing a light emitting element
XIAMEN SANAN OPTOELECTRONICS TECHNOLOGY CO LTD0 citations39
XIAMEN SANAN OPTOELECTRONICS CO LTD
10 patentsUS10115858B2Oct 30, 2018
Light emitting diode and fabrication method thereof
XIAMEN SANAN OPTOELECTRONICS CO LTD2 citations72
US11557693B2Jan 17, 2023
Semiconductor light emitting device
XIAMEN SANAN OPTOELECTRONICS CO LTD3 citations71
US11189751B2Nov 30, 2021
Multi-quantum well structure and LED device including the same
XIAMEN SANAN OPTOELECTRONICS CO LTD5 citations69
US12302666B2May 13, 2025
Semiconductor light emitting device
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations61
US12125948B2Oct 22, 2024
Semiconductor device and light-emitting system
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations61
US11848401B2Dec 19, 2023
Semiconductor light emitting device
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations61
US11430918B2Aug 30, 2022
Semiconductor device and light-emitting system
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations61
US10978612B2Apr 13, 2021
Semiconductor light emitting device
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations61
US10535796B2Jan 14, 2020
Semiconductor light emitting device
XIAMEN SANAN OPTOELECTRONICS CO LTD1 citations61
US12328973B2Jun 10, 2025
Multi-quantum well structure and LED device including the same
XIAMEN SANAN OPTOELECTRONICS CO LTD0 citations48