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:
Jun. 28, 2011
Filed:
Jun. 27, 2008
Dong-soo Kim, Ansan-si, KR;
Hwa-kyung Choi, Deagu, KR;
Dong-Soo Kim, Ansan-si, KR;
Hwa-kyung Choi, Deagu, KR;
Alti-Electronics Co., Ltd., , KR;
Abstract
The present invention provides a backlight unit including an LED module and a frame separately, and each separated part is stable and is capable of simple use and assembly. The backlight unit of direct type includes a plurality of makeup LED modules including an LED package of direct type on a PCB and a heat sink releasing heat generated from driving the LED package of direct type, a reflection plate reflecting light emitted from the makeup LED module to a front face, and attached at the remaining surface except for the makeup LED packages, an optical sheet disposed on the reflection plate, and improving brightness and uniformity of the light emitted from the makeup LED module and the reflection plate, and guide the light into a front face of the optical sheet and a frame including a guide rail to combine the makeup LED module by a sliding combination.