Patent ID: 11965639
Assignee: HUIZHOU HANXING OPTOELECTRONIC CO., LTD
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 9:
10. A lighting apparatus, comprising:
a lamp holder, and
a plurality of light source modules fixed in the lamp holder, the light source module comprising:
a heat sink;
a circuit board, with one side tightly attached to the heat sink, and the other side provided with a plurality of light sources;
a lamp shade, provided with a plurality of optical lenses, the plurality of the optical lenses being formed by a plurality of recesses forming on a front surface of the lamp shade, and a plurality of arc protrusions corresponding to the plurality of the recess forming on a back surface of the lamp shade; and
a fixing member, configured to fix the lamp shade on the heat sink to receive the circuit board in a space defined by the lamp shade and heat sink;

wherein the heat sink comprises:
a first heat transfer plate, attached to a bottom surface of the circuit board;
two second heat transfer plate, extending from two sides of the bottom surface of the first heat transfer plate or adjacent to the two sides of the first heat transfer plate; and
a third heat transfer plate, connected with ends of the two second heat transfer plates.