Inventor
Wu xiao-fei
CN9 patents
Patents
9 patentsUS10101204B2Oct 16, 2018
Method for desiging freeform surface imaging optical system
UNIV TSINGHUA5 citations72
US9818223B2Nov 14, 2017
Method of forming a freeform surface shaped element for an illumination system
UNIV TSINGHUA3 citations72
US10527255B2Jan 7, 2020
Illumination system with freeform surface
UNIV TSINGHUA1 citations62
US10133062B2Nov 20, 2018
Method of LED freeform surface illumination system based on XY-polynomial
UNIV TSINGHUA1 citations50
US11435261B2Sep 6, 2022
Method for analyzing tolerance distributions in a freeform surface mirror of an optical system
UNIV TSINGHUA0 citations47
US10816794B2Oct 27, 2020
Method for designing illumination system with freeform surface
UNIV TSINGHUA0 citations41
US10255388B2Apr 9, 2019
Method for designing off-axial optical system with freeform surface
UNIV TSINGHUA0 citations41
US10210289B2Feb 19, 2019
Method for designing three-dimensional freeform surface to be used in design of the reflective mirrors
UNIV TSINGHUA0 citations41
US9571204B2Feb 14, 2017
LED optical communication receiving lens and LED optical communication system
UNIV TSINGHUA0 citations40