Patent · US Active

Liquid crystal display having a frontside light control film

US11668977B2 · kind B2 · utility

1Cited by
24References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 2019
Grant dateJun 6, 2023
Priority date
Expiry dateDec 10, 2039

Classification

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

Abstract

A liquid crystal display comprises a backlight module comprising a reflective polarizing film, a light control film and a liquid crystal panel disposed between the backlight module and the light control film. The light control film comprises a light input surface and a light output surface opposite the light input surface and alternating transmissive and absorptive regions disposed between the light input surface and the light output surface. The absorptive regions have an aspect ratio of at least 30.

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