Planar light source device

Planar light source device

A planar light source device includes: a substrate having a thickness larger than 0.9 mm and including a metal layer; and a plurality of light-emitting diode chips disposed on the substrate in a matrix array. Each light-emitting diode chip has a chip size ranging from 0.0784 mm2 to 0.25 mm2. Two adj...

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Hauptverfasser: TSENG CHING-LIN, LIAO TSUNG-JEN, CHANG MING-LI, CHOU CHENG-TAI, CHEN YENNG
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
BLASTING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HEATING
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL
LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE
LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS
LIGHTING
MECHANICAL ENGINEERING
NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE
SEMICONDUCTOR DEVICES
WEAPONS
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creator TSENG CHING-LIN
LIAO TSUNG-JEN
CHANG MING-LI
CHOU CHENG-TAI
CHEN YENNG
description A planar light source device includes: a substrate having a thickness larger than 0.9 mm and including a metal layer; and a plurality of light-emitting diode chips disposed on the substrate in a matrix array. Each light-emitting diode chip has a chip size ranging from 0.0784 mm2 to 0.25 mm2. Two adjacent ones of the light-emitting diode chips are spaced apart from each other by a distance of at least two times a length of the light-emitting diode chips.
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subjects BASIC ELECTRIC ELEMENTS
BLASTING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HEATING
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL
LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE
LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS
LIGHTING
MECHANICAL ENGINEERING
NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE
SEMICONDUCTOR DEVICES
WEAPONS
title Planar light source device
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