Organic light emitting display apparatus
US11839125B2 · kind B2 · utility
1Cited by
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22Claims
0Family size
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Key dates
| Filing date | Dec 7, 2020 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Feb 9, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
Abstract
An organic light emitting display apparatus include a substrate including a plurality of pixels having a plurality of sub-pixels, a plurality of organic light emitting elements disposed at the plurality of sub-pixels, and a plurality of light extraction patterns on the plurality of organic light emitting elements and having different shapes at each of the plurality of sub-pixels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.