BACKLIGHT UNIT, DISPLAY DEVICE, MANUFACTURING METHOD FOR BACKLIGHT UNIT, MANUFACTURING APPARATUS OF BACKLIGHT UNIT

Provided is a backlight unit (2) including a light source (4) where multiple light-emitting elements (8) are two-dimensionally laid out, and a wavelength converting member (6) that has a phosphor (12), and that converts a wavelength of light from the light source, where a wavelength conversion capab...

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Bibliographic Details
Main Author ISHIDA, TAKESHI
Format Patent
LanguageEnglish
Published 02.07.2020
Subjects
BASIC ELECTRIC ELEMENTS
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SEMICONDUCTOR DEVICES
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:Provided is a backlight unit (2) including a light source (4) where multiple light-emitting elements (8) are two-dimensionally laid out, and a wavelength converting member (6) that has a phosphor (12), and that converts a wavelength of light from the light source, where a wavelength conversion capability varies in accordance with a distance to a light-emitting element that is closest of the multiple light-emitting elements, in order to reduce color unevenness that occurs depending on difference in distance between the light source and wavelength converting member of the backlight unit.
Bibliography:Application Number: US201816612933