– HW Choi, KN Hui and X Wang Publication Date: 2011 Patent Office: US Patent Number: US 7,982,228 Methods and systems are provided that may…
– HW Choi Publication Date: 2012 Patent Office: US Patent Number: US Patent Application 2012/0292788 Methods and systems are provided to utilize and manufacture a…
– HW Choi, KH Li, and YF Cheung Publication Date: 2020 Patent Office: US Patent Number: US 10,615,222 Methods of fabricating flexible, free-standing LED structures…
– HW Choi, KH Li, and H Lu Publication Date: 2019 Patent Office: US Patent Number: US Patent Application 2019/0157508 A device includes a light-emitting…
– HW Choi Publication Date: 2016 Patent Office: US Patent Number: US 9,401,453 A nano-LED containing an array of nano-pillars of different diameters that are…
– HW Choi Publication Date: 2009 Patent Office: CN Patent Number: CN 101496188 A light emitting diode comprising of a fluorescent microsphere coating is proposed.…