Invention Grant
- Patent Title: Backlight unit having improved chromatic dispersion
- Patent Title (中): 背光单元具有改善的色散
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Application No.: US11872128Application Date: 2007-10-15
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Publication No.: US07658531B2Publication Date: 2010-02-09
- Inventor: Hong-seok Lee , Dong-ho Wee
- Applicant: Hong-seok Lee , Dong-ho Wee
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2007-0036173 20070412
- Main IPC: F21V7/04
- IPC: F21V7/04 ; F21V5/00 ; G02F1/1335
Abstract:
Provided is a backlight device that includes: a light guide panel having a diffraction pattern for emitting light through an emission surface of the light guide panel by diffracting light entering the light guide panel; and a chromatic dispersion compensation member that is an optical transmitting member located on a light emission side of the light guide panel and has a lattice pattern having a depth in a direction vertical to the emission surface of the light guide panel.
Public/Granted literature
- US20080253147A1 BACKLIGHT UNIT HAVING IMPROVED CHROMATIC DISPERSION Public/Granted day:2008-10-16
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