Inventor
XIONG SI-SI
CN4 patents
Patents
4 patentsUS9858362B2Jan 2, 2018
Method of LED freeform surface illumination system
UNIV TSINGHUA2 citations71
US10133062B2Nov 20, 2018
Method of LED freeform surface illumination system based on XY-polynomial
UNIV TSINGHUA1 citations50
US9658439B2May 23, 2017
LED freeform surface illumination system
UNIV TSINGHUA0 citations40
US9571204B2Feb 14, 2017
LED optical communication receiving lens and LED optical communication system
UNIV TSINGHUA0 citations40