METHOD OF MANUFACTURING A BACKLIGHT UNIT FOR 3D IMAGE DISPLAY

A backlight unit for a three-dimensional (3D) image display includes a light guiding plate (20) configured to guide light; a light source (10) configured to emit the light to the light guiding plate (20); and a diffraction grating structure (30) provided on a surface of the light guiding plate (20),...

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Bibliographic Details
Main Authors SONG, Hoon, LEE, Sunghoon, PARK, Joonyong, KIM, Dongouk, SHIN, Bongsu, CHUNG, Jaeseung, SHIM, Dongsik, BAE, Jihyun
Format Patent
LanguageEnglish
French
German
Published 17.03.2021
Subjects
BLASTING
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF
HEATING
LIGHTING
MECHANICAL ENGINEERING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR
WEAPONS
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Summary:A backlight unit for a three-dimensional (3D) image display includes a light guiding plate (20) configured to guide light; a light source (10) configured to emit the light to the light guiding plate (20); and a diffraction grating structure (30) provided on a surface of the light guiding plate (20), the diffraction grating structure (30) being configured to diffract the light emitted from the surface of the light guiding plate (20), and including diffracting gratings having different heights.
Bibliography:Application Number: EP20170196444