Invention Grant
- Patent Title: Directional backlight, 3D image display apparatus having the same, and method of manufacturing the same
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Application No.: US15171523Application Date: 2016-06-02
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Publication No.: US10228506B2Publication Date: 2019-03-12
- Inventor: Jaeseung Chung , Sunghoon Lee , Jihyun Bae , Joonyong Park , Hoon Song , Hongseok Lee , Dongouk Kim , Hyunjoon Kim , Bongsu Shin , Dongsik Shim , Seogwoo Hong
- 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: KR10-2015-0181857 20151218
- Main IPC: F21V8/00
- IPC: F21V8/00 ; G02B5/18 ; G02B27/22
Abstract:
A directional backlight and a 3D image display apparatus including the directional backlight are provided. The directional backlight includes a light guide plate guiding light emitted from a light source; a diffractive device configured to adjust the direction of light exiting the light guide plate; and an aperture adjusting layer including a plurality of apertures. The aperture adjusting layer may adjust the optical output efficiency of the diffractive device.
Public/Granted literature
- US20170176669A1 DIRECTIONAL BACKLIGHT, 3D IMAGE DISPLAY APPARATUS HAVING THE SAME, AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2017-06-22
Information query
