Optical touch screen apparatus and method of manufacturing the optical touch screen apparatus

Year of publication

2013

Inventor

Seung-Eon Ahn, I-hun Song, Sang-Hun Jeon, Chang-Jung Kim, Young Kim, Yong-Woo Jeon

Application No.

13563911

Application date

Registration No.

Registration date

Published date

2013/4/11

Link

https://patents.google.com/patent/US20130088460A1/en 427회 연결