Invention Grant
- Patent Title: Backlight unit and display device having the same
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Application No.: US15847613Application Date: 2017-12-19
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Publication No.: US10393937B2Publication Date: 2019-08-27
- Inventor: JaeJin Kim , MinSoo Park
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Polsinelli PC
- Priority: KR10-2016-0179403 20161226
- Main IPC: F21V7/04
- IPC: F21V7/04 ; F21V8/00 ; G02F1/1335

Abstract:
The present disclosure relates to a backlight unit and a display device including the backlight unit. The backlight unit includes a first pattern in a first region of a light guide plate including a light incidence surface and a second pattern in a second region of the light guide plate extending from the first region, so that, in the first region, a directional angle of light can be improved so as to prevent the occurrence of hot spots, and in the second region, a line light source can be converted into a plane light source.
Public/Granted literature
- US20180180790A1 BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME Public/Granted day:2018-06-28
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