Inventor
ZHANG WEI FENG
CN4 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG WEI FENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
3 patentsUS7724434B2May 25, 2010
Reflective polarizer and display device having the same
3M INNOVATIVE PROPERTIES CO128 citations97
US7586566B2Sep 8, 2009
Brightness enhancing film and display device having the same
3M INNOVATIVE PROPERTIES CO131 citations96
US7557989B2Jul 7, 2009
Reflective polarizer and display device having the same
3M INNOVATIVE PROPERTIES CO16 citations91