Organic light emitting display device
US10283735B2 · kind B2 · utility
3Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2016 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | Oct 28, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical assembly in a display device includes a linear polarizer; a first quarter wave plate (QWP) layer under the linear polarizer, the first QWP layer having a negative dispersion characteristic; and a cholesteric liquid crystal (CLC) layer under the linear polarizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.