A back light unit and a display device using this

Title:

A back light unit and a display device using this

Document Type and Number:

Japanese Patent JP6163290

Kind Code:

B2

Abstract:

The backlight unit includes a plurality of light source groups, each of which includes at least one light source, and a light guide plate to guide light irradiated from the plurality of light source groups, and the light guide plate includes first grooves disposed in a first direction, the plurality of light source groups being disposed within the first grooves, and at least one second groove disposed in a second direction differing from the first direction.

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Inventors:

Kim minsan
Seo Jun Inn

Application Number:

JP2012028753A

Publication Date:

July 12, 2017

Filing Date:

February 13, 2012

Export Citation:

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Assignee:

LG Innotek Co., Ltd

International Classes:

F21S2/00; F21V19/00; F21V23/00; G02F1/1333; G02F1/13357

Domestic Patent References:

JP2007293339A
JP2005085580A
JP2010217349A
JP2010177085A
JP2011076803A

Foreign References:

US20110012942
US20100002467

Attorney, Agent or Firm:

Yoshikazu Iwase
Makoto Ono
Kenkyo Kanayama
Kazuki Shigemori

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