Gyeonggi-do
South Korea
4
2017-07-06
The entities that hold a legal rights for patent applications filed by inventor RYU Seungman:
Seungman RYU from Gyeonggi-do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Viewing angle switchable back light unit
#2 | 2017-01-12Viewing angle switchable back light unit
#3 | 2016-05-19Ultrathin light unit
#4 | 2013-11-28Patterned retarder type display device having black strips
545811 ⎘