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Patent Searching and Data


Title:
ULTRA-SLIM BACKLIGHT UNIT
Document Type and Number:
WIPO Patent Application WO/2020/050453
Kind Code:
A1
Abstract:
An ultra-slim backlight unit is disclosed. The ultra-slim backlight unit according to the present invention comprises: a light source module having a lamp mounted on a plate-shaped PCB; a light guide plate having an insertion groove into which the lamp is inserted; and heat-dissipating tape separating the PCB from external air and attaching the PCB to the light guide plate, wherein the PCB is blocked from the entrance of the insertion groove, and thus is not inserted into the insertion groove. According to the present invention, provided is an ultra-slim backlight unit formed to significantly reduce a thickness of the light guide plate to be less than that of a conventional light guide plate, minimize a bending deformation amount deviation of the light guide plate according to a bending deformation direction, suppress damage to the light guide plate in a part of which the cross-sectional area is small, and prevent damage to a lamp, caused by compressive stress, when the light guide plate is bent and deformed.

Inventors:
CHOI KI SUK (KR)
KIM HYUN JOONG (KR)
KANG SEOK JIN (KR)
BAEK EUN SUNG (KR)
Application Number:
PCT/KR2018/012846
Publication Date:
March 12, 2020
Filing Date:
October 26, 2018
Export Citation:
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Assignee:
DB LIGHTEC CO LTD (KR)
International Classes:
F21V8/00; G02B5/08
Foreign References:
KR20080042899A2008-05-15
KR20130044136A2013-05-02
JP2006120632A2006-05-11
JPH0961821A1997-03-07
US9804639B22017-10-31
Attorney, Agent or Firm:
NAM & NAM WORLD PATENT & LAW FIRM (KR)
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