The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 2010
Filed:
Jan. 30, 2008
Yong-wook Hwao, Suwon-si, KR;
Chang-youn Hwang, Hwaseong-si, KR;
Young-ki Kim, Yongin-si, KR;
Shin-chul Kang, Seoul, KR;
Ki-duk Jang, Suwon-si, KR;
Yong-Wook Hwao, Suwon-si, KR;
Chang-Youn Hwang, Hwaseong-si, KR;
Young-Ki Kim, Yongin-si, KR;
Shin-Chul Kang, Seoul, KR;
Ki-Duk Jang, Suwon-si, KR;
Abstract
An optical waveguide sheet that has an auxiliary layer for preventing light transmitted through the waveguide sheet from leaking or being lost and a manufacturing method thereof. The waveguide sheet transmits light from a light emitting element thereinto, and has a reflecting pattern for reflecting light forward. At least one auxiliary layer for providing a total reflection condition for preventing the light from leaking or being lost when the light is transmitted into the waveguide sheet is coated on the waveguide sheet.