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:
Sep. 22, 2015
Filed:
Dec. 23, 2010
Jae-hyun Park, Busan, KR;
Gi-bin Kim, Paju-si, KR;
Young-sik OH, Paju-si, KR;
Sun-man Kim, Namyangju-si, KR;
Min-soo Park, Anyang-si, KR;
Jae-Hyun Park, Busan, KR;
Gi-Bin Kim, Paju-si, KR;
Young-Sik Oh, Paju-si, KR;
Sun-Man Kim, Namyangju-si, KR;
Min-Soo Park, Anyang-si, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
The present invention relates to an apparatus for fabricating a light guide panel which can improve light efficiency and brightness, and a backlight unit having the light guide panel. The backlight unit includes a light source for generating a light, and a light guide panel for guiding the light incident thereon from the light source, the light guide panel having an upper pattern which is formed on a front side thereof for emitting the light guided thus to upward and a lower pattern which is formed on a backside thereof for reflecting or refracting the light, wherein the lower pattern of the light guide panel is formed in an intaglio pattern having a vertical angle at which two inclined planes meet, and one of the two inclined planes the light from the light source incident thereon has an angle of 45˜55°.