Invention Grant
- Patent Title: 2D/3D switchable backlight unit and image display apparatus using the same
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Application No.: US15000183Application Date: 2016-01-19
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Publication No.: US10663638B2Publication Date: 2020-05-26
- Inventor: Hongseok Lee , Geeyoung Sung , Joonyong Park , Hoon Song , Bongsu Shin , Yoonsun Choi
- Applicant: SAMSUNG ELECTRONICS CO., LTD.
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@345a5cf
- Main IPC: F21V8/00
- IPC: F21V8/00 ; H04N13/32 ; H04N13/356
Abstract:
A two-dimensional (2D)/three-dimensional (3D) switchable backlight unit and an image display apparatus using the 2D/3D switchable backlight unit are provided. The 2D/3D switchable backlight unit includes: a light source unit; a first light guide plate, within which light from the light source unit is totally internally reflected; and a plurality of refraction patterns, each having a trapezoidal form. The light source unit may include a first light source and a second light source.
Public/Granted literature
- US20160216433A1 2D/3D SWITCHABLE BACKLIGHT UNIT AND IMAGE DISPLAY APPARATUS USING THE SAME Public/Granted day:2016-07-28
Information query
