Light-emitting device
A technology for light-emitting devices and light-emitting elements, which is applied to electrical components, electric solid-state devices, circuits, etc., can solve the problems of uneven temperature distribution of light-emitting element groups, easy reduction of light-emitting efficiency, reliability and lifespan, etc., so as to improve the light-emitting efficiency and Effectiveness of reliability, simplification of structure, and suppression of deterioration
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[0032] Below, refer to Figure 1 to Figure 4 The light-emitting device according to the first embodiment of the present invention will be described. figure 1 Shows the structure of the light emitting device 1 of this embodiment, figure 2 Shows the arrangement structure of the light-emitting element group 40 of the light-emitting device 1, image 3 The wiring pattern on the mounting substrate 2 of the light-emitting device 1 is shown. The light-emitting device 1 includes an insulating mounting substrate 2, a wiring pattern 3 mounted on the element mounting surface 21 of the mounting substrate 2, and a plurality of (here, 18) light-emitting elements 4 mounted on the wiring pattern 3 The light emitting element group 40 constituted, the frame-shaped wiring board 5 for supplying power to the light emitting element 4, and the heat sink 6 for dissipating the heat of the mounting board 2 and the wiring board 5. The mounting board 2 and the wiring board 5 are mounted on the heat sink ...
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