Patent · US Active

Backlight module

US11150509B2 · kind B2 · utility

1Cited by
0References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 23, 2018
Grant dateOct 19, 2021
Priority date
Expiry dateMar 2, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133614
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A backlight module is provided, including: a light source module configured to emit a plurality of point lights; a diffuser plate configured to homogenize light emitted from the light source module; and a reflective plate disposed over the light source module and located between the light source module and the diffuser plate, where the reflective plate is provided with a plurality of through holes corresponding to the plurality of point lights, such that the plurality of point lights emitted from the light source module enter the diffuser plate through the corresponding through holes of the reflective plate.

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