Patent · US Active

Backlight source device, light guide plate and display device

US11009647B2 · kind B2 · utility

0Cited by
4References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 25, 2019
Grant dateMay 18, 2021
Priority date
Expiry dateMar 25, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/0061
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present disclosure relates to a backlight source device, a light guide plate, and a display device. The backlight source device according to an embodiment of the present disclosure includes a light guide plate, a light source and a plastic frame, the light source is provided at an end of the light guide plate and is opposite to a side wall of the light guide plate; the plastic frame is provided at least at an end of the light guide plate away from the light source, wherein a plurality of wedge-shaped recesses are provided at an end of a light emitting surface of the light guide plate away from the light source.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.