Patent ID: 11947152
Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G | IPC F  G

Claim 0:
1. A display module, comprising:
a photosensitive element;
a backlight unit, comprising:
a first reflective sheet, provided with a first opening corresponding to the photosensitive element;
a light guide plate, comprising a first region corresponding to the photosensitive element and a second region adjacent to the first region; and
an optical film, provided with a second opening corresponding to the photosensitive element; and
a backlight arranged at an end of the light guide plate;
wherein a plurality of the microstructures are provided on a side of the light guide plate facing the photosensitive element, and a distance between two adjacent columns of the microstructures in the first region is less than a distance between the two adjacent columns of the microstructures in the second region, or
in a column of the microstructures, sizes of the microstructures in the first region are greater than sizes of the microstructures in the second region, and
wherein the light guide plate does not have an opening.