Patent ID: 11927788
Assignee: PRIMAX ELECTRONICS LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G | IPC F

Claim 0:
1. A light guide module, comprising:
a circuit board;
one or more light-emitting elements disposed on the circuit board;
a light guide plate located on the circuit board, wherein the light guide plate has a thick portion and a thin portion connected to the thick portion, and the thin portion is located over the one or more light-emitting elements, and a side surface of the thick portion adjacent to the thin portion is laterally adjacent to the one or more light-emitting elements, wherein a side surface of the thin portion away from the thick portion is a light-exiting surface;
a first reflective layer covering a side surface of the thick portion away from the thin portion; and
a second reflective layer covering an upper surface of the thick portion and an upper surface of the thin portion.