Patent · US Active

Backlight module and display device

US12072576B2 · kind B2 · utility

0Cited by
0References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 2021
Grant dateAug 27, 2024
Priority date
Expiry dateDec 17, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133605
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed are a backlight module and a display device. The backlight module includes a plurality of light-emitting units disposed at intervals with one another, an optical film, and a concentrating structure. A slit is between two adjacent light-emitting units. The optical film is disposed at a side of the light-emitting unit. The concentrating structure is disposed at a side of the optical film close to the light-emitting unit and arranged in an area opposite to the slit. The concentrating structure comprises a plurality of protrusions.

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