Optical film and display device
US10302828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2016 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Mar 20, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8791
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical film includes a polarization film including a polyolefin and a dichroic dye, a first phase delay layer positioned on one side of the polarization film and including a liquid crystal, a second phase delay layer positioned on one side of the first phase delay layer and including a liquid crystal, a first adhesive between the polarization film and the first phase delay layer, and a second adhesive between the first phase delay layer and the second phase delay layer, wherein at least one of the first adhesive and the second adhesive has a room temperature storage modulus of greater than or equal to about 0.2 MPa at a frequency of 10 Hz, and a display device including the same, are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.