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:
May. 22, 2012
Filed:
Jan. 15, 2009
Sung-kyu Shim, Seoul, KR;
In-sung Hwang, Suwon-si, KR;
Hyoung-joo Kim, Uiwang-si, KR;
Jae-joong Kwon, Suwon-si, KR;
Seung-in Baek, Seoul, KR;
Sung-Kyu Shim, Seoul, KR;
In-Sung Hwang, Suwon-si, KR;
Hyoung-Joo Kim, Uiwang-si, KR;
Jae-Joong Kwon, Suwon-si, KR;
Seung-In Baek, Seoul, KR;
Abstract
In accordance with one or more embodiments of the present disclosure, a light guide plate includes a first light incident surface receiving a first external light, a second light incident surface receiving a second external light and opposite to the first light incident surface, a light exit surface connecting the first and second light incident surfaces to output the first and second external lights, a reflective surface reflecting the first and second external lights in opposition to the light exit surface, and optical path changing portions each of which having a first inclined surface and a second inclined surface. The optical path changing portions are provided on the reflective surface with a predetermined interval and recessed toward the light exit surface to reflect the first and second external lights to the light exit surface.