CPC H01S 5/02255 (2021.01) [H01S 5/02253 (2021.01)] | 21 Claims |
1. A laser diode package module, comprising:
a substrate including a first surface;
a semiconductor mounted on the first surface;
a cover disposed on the first surface of the substrate;
an accommodation space formed between the substrate and the cover;
a laser diode die disposed in the accommodation space; and
a reflective surface disposed in the accommodation space for outputting light of the laser diode die reflected by the reflective surface and transmitted through a light-transmitting area, wherein;
the light-transmitting area is at least partially disposed on a surface of the cover opposite the substrate; and
notches or shallow grooves are disposed at sharp corners of a bottom surface of the semiconductor.
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