FIELD: physics.
SUBSTANCE: LED includes at least one semiconductor light emission element coated with a lens featuring a notch over the light emission element, with a double-layer compound zone formed in that notch. The said zone includes lower and upper layers of an optically transparent compound. Lower compound layer with luminipherous particles distributed in it has higher hardness in the solidified state than the upper layer.
EFFECT: improved stability of optical properties.
3 cl, 1 dwg
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