Organic light emitting display device
US10312473B2 · kind B2 · utility
3Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2017 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Dec 5, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/12
Abstract
An organic light emitting display device includes: a substrate; an organic light emitting element on the substrate; and a thin film encapsulation layer on the organic light emitting element. The thin film encapsulation layer includes a first thin film, a second thin film and a third thin film which are sequentially stacked therein, a refractive index of the second thin film is about 1.7 or greater, and a refractive index of the first thin film and a refractive index of the third thin film are greater than the refractive index of the second thin film by about 0.35 or greater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.