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US 9,439,280 B2Granted
LED module with circuit board having a plurality of recesses for preventing total internal reflection
AssigneeAdvanced Optoelectronic Technology, Inc.
InventorsChung-Min Chang, Chien-Lin Chang-Chien, Ya-Ting Wu, Zheng-Hua Yang
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Abstract
An light emitting diode (LED) module includes a circuit board, a plurality of LED chips arranged on and electrically connected to the circuit board, and an encapsulant arranged on the circuit board and covering the LED chips, a plurality of first recesses defined in a first surface of the circuit board.
Claims16
An LED (light emitting diode) module comprising:
- a circuit board;
- a plurality of LED chips arranged on and electrically connected to the circuit board;
- and
- an encapsulant arranged on the circuit board and covering the LED chips, a plurality of first recesses defined in a first surface of the circuit board;
- wherein the first recesses each have a pair of inclined surfaces, the first recesses form a net, the LED chip is mounted in the net and surrounded by the first recesses alternated with each other, and a plurality of refractive parts are arranged on the first recesses.
2 more elements
Dependencies are inferred from the claim text.