Polarizing plate and optical display device comprising same
US11573358B2 · kind B2 · utility
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14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2018 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Oct 22, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/055
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A polarizing plate and an optical display comprising the same are disclosed. The polarizing plate includes: a polarizer and a first protective layer stacked on one surface of the polarizer via a bonding layer, wherein the bonding layer is formed of a bonding layer composition including an epoxy compound and a photocationic initiator, and the polarizing plate has a chrominance variation ΔE of 5.2 or less, as calculated by Equation 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.