A light emitting device includes: a substrate; one or more LED (light emitting diode) elements mounted on a substrate; and a radiator unit made of metal paste and arranged on a rear surface opposite to a principal surface on which the one or more LED elements are mounted. The height Ta of the radiator unit from a rear surface is less than thickness Tb of substrate.
Light emitting device and lighting apparatus
2017-12-26
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21Y Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend die Form oder die Art der Lichtquellen oder die Farbe des emittierten Lichts , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED / H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / H05K PRINTED CIRCUITS , Gedruckte Schaltungen |
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