Patent ID: 11947217
Assignee: CORETRONIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G | IPC F  G

Claim 11:
12. A display apparatus, comprising:
a backlight module, comprising:
a light guide plate, having a light incident surface and a light-emitting surface and a bottom surface that are respectively connected to the light incident surface and opposite to each other;
a light source, disposed on one side of the light incident surface of the light guide plate;
a diffuse reflector, disposed on one side of the bottom surface of the light guide plate;
a light-splitting film, disposed between the light guide plate and the diffuse reflector, the light-splitting film having a substrate and a plurality of first optical microstructures disposed on one side of the substrate, wherein an extending direction of the first optical microstructures intersects with the light incident surface of the light guide plate; and
a plurality of second optical microstructures, disposed on the bottom surface of the light guide plate, wherein each of the second optical microstructures has a light receiving surface closer to the light source, and an included angle between the light receiving surface and the bottom surface is less than 30 degrees and greater than 0 degree; and

a display panel, disposed on one side of the light-emitting surface of the light guide plate, and overlapped with the light-emitting surface.