Patent · US Active

Display apparatus

US11169413B2 · kind B2 · utility

2Cited by
0References
18Claims
0Family size

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Key dates

Filing dateJul 7, 2020
Grant dateNov 9, 2021
Priority date
Expiry dateJul 7, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/136286
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A display apparatus includes a first polarizer, a first liquid crystal panel, a second polarizer, a second liquid crystal panel and a third polarizer which are sequentially stacked, wherein the second polarizer includes two protective layers, and a polarizing layer positioned between the two protective layers.

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