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:
Aug. 21, 2012
Filed:
Jun. 21, 2010
Byoung-ho Cheong, Yongin-si, KR;
Guk-hyun Kim, Yongin-si, KR;
Oleg Prudnikov, Suwon-si, KR;
Seung-won Park, Seoul, KR;
Hyun-jin Cho, Seoul, KR;
Byoung-Ho Cheong, Yongin-si, KR;
Guk-Hyun Kim, Yongin-si, KR;
Oleg Prudnikov, Suwon-si, KR;
Seung-Won Park, Seoul, KR;
Hyun-Jin Cho, Seoul, KR;
Abstract
A backlight unit includes a light source substrate on which a light source is mounted, a first light source plate which is disposed on the light source substrate and includes a cylindrical aperture corresponding to the light source, and a second light source plate which is disposed on the first light source plate and includes a partial transmission pattern on a bottom surface thereof. The partial transmission pattern corresponds to the aperture and allows part of light emitted from the light source to pass therethrough.