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:
Dec. 11, 2012
Filed:
Jun. 08, 2010
Sangtae Park, Pyeongtaek-si, KR;
Minchul Kim, Pyeongtaek-si, KR;
Sungwoo Kim, Pyeongtaek-si, KR;
Bupsung Jung, Pyeongtaek-si, KR;
Buwan Seo, Pyeongtaek-si, KR;
Myounghwa Ko, Pyeongtaek-si, KR;
Seungchoon Bae, Pyeongtaek-si, KR;
Soonhyung Kwon, Pyeongtaek-si, KR;
Sangtae Park, Pyeongtaek-si, KR;
Minchul Kim, Pyeongtaek-si, KR;
Sungwoo Kim, Pyeongtaek-si, KR;
Bupsung Jung, Pyeongtaek-si, KR;
Buwan Seo, Pyeongtaek-si, KR;
Myounghwa Ko, Pyeongtaek-si, KR;
Seungchoon Bae, Pyeongtaek-si, KR;
Soonhyung Kwon, Pyeongtaek-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
The present invention relates to a display device, which includes: a backlight unit that is divided into a plurality of blocks, is driven for each divided block, and includes at least one optical assembly; a display panel disposed on the upper side of the backlight unit; a controller that outputs a local dimming value for each block corresponding to brightness of each block of the backlight unit according to images displayed on the display panel; and a BLU driver that controls the brightness of the blocks of the backlight unit by using the local dimming value for each block, wherein the optical assembly includes a first layer; a plurality of light sources that is formed on the first layer to emit light; a second layer that is disposed on the upper side of the first layer and is formed to cover the plurality of light sources; and a reflective layer that is disposed between the first and second layers, and the BLU driver receives the local dimming value for each block to output the plurality of driving signals, and the blocks of the backlight unit are divided into a plurality of scan groups and is driven in the divided group unit.