Display apparatus
US11169413B2 · kind B2 · utility
2Cited by
0References
18Claims
0Family size
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Key dates
| Filing date | Jul 7, 2020 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Jul 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.