Patent ID: 11927790
Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G | IPC F

Claim 10:
11. A display device comprising a backlight module, wherein, the backlight module comprises a substrate; a plurality of light sources disposed on the substrate in an array; a light guide layer disposed at a side of the substrate with the light sources; wherein the light guide layer is a patterned structure, and the patterned structure is configured to change a light transmittance of the light guide layer from directly above the light sources to gaps between the light sources, wherein a light transmittance of materials used in the light guide layer is less than or equal to 10%, wherein the patterned structure comprises a plurality of patterned units arranged in an array, a center of each of the patterned units is arranged opposite to a corresponding one of the light sources, and each of the patterned units comprises a plurality of openings of different sizes, and areas of the openings are gradually increased from the center to a periphery of each of the patterned units.