Patent ID: 11953784
Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G | IPC F  G

Claim 0:
1. A light guide plate assembly configured to guide exiting light emitted from a light-emitting element, the light guide plate assembly comprising:
a reflective part comprising an opening; and
a transmissive part, wherein at least a part of the transmissive part is located at a side of the reflective part adjacent to a light-exiting side of the light guide plate assembly, and the transmissive part comprises a first part and a second part, wherein, along a direction from a center of the opening to an edge of the opening, light intensity of the exiting light received by the first part is negatively correlated to light transmittance of the first part,
wherein the reflective part is directly beneath the second part.