Method for producing luminous element with high-illuminating effect
A light-emitting element and manufacturing method technology, which is applied in the direction of electrical components, semiconductor devices, circuits, etc., can solve the problems such as the inability to effectively remove alumina slag, and achieve the effects of avoiding fragmentation problems, increasing yield, and improving brightness
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[0031] 1A-1C, according to a preferred embodiment of the present invention, a method for manufacturing a light-emitting element 1 with high luminous efficiency, the steps include the first upper surface of a substrate 10 having a first upper surface and a first lower surface A light-emitting laminate 12 is formed on the surface, wherein the light-emitting laminate includes a second upper surface and a second lower surface, and the second lower surface faces the substrate 10, and a second upper surface is coated on the second upper surface of the light-emitting laminate. A protective layer 13, cutting the light-emitting element 1 with a laser beam from the lower surface of the substrate, and placing the light-emitting element 1 with the first protective layer 13 in a heated acid solution for a period of time, passing the hot acid solution, Remove by-products. In the process of cutting the light-emitting element with a laser beam in this embodiment, a laser beam with a wavelength of...
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