Light emitting diode

Abstract

Abstract PURPOSE:To weeken the directivity, recognize lighting from wide ranges, clearly discriminate colors when lighting and not lighting, and realize a small size and low cost, by forming a structure wherein a casing sealing P and N layers laminates a transparent layer and a diffused layer. CONSTITUTION:When charges are injected into the P, N layers 1, 2 from lead wires 5, 6, light is emitted from the P layer 1 to the N layer 2, struck on a fluorescent layer 3, converted into a visible light and projected upward. This light advances through a transparent plastic member 7 without being attenuated by a diffusion, etc. and is dispersed by the diffusion plane of a surface 8. This diffusion plane is formed by keeping the surface of a metal mold rough when forming the casing 7 by a plastic mold. By forming the casing 7 of a transparent member with the same color as the luminous color of an LED and changing the surface diffusion layer into a colorless diffusion layer, the luminous color is produced resulting in the easy discrimination of colors due to flashes.

Inventors

• 👤 Shunzo Inoue
• 👤 俊三 井上

Bibliographic Details