Thin film and fabrication method therefor and QLED device
US12043777B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jun 19, 2020 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Nov 10, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/1135
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A thin film includes a polymer material and quantum dots (QDs). The QDs are dispersed in the polymer material. The polymer material includes at least one barrier polymer material. A weight average molecular weight of the at least one barrier polymer material is higher than 100,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.