Electroluminescent device, method for manufacturing the same, display panel and display device
US12178060B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Nov 29, 2021 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Feb 22, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/40
Abstract
An electroluminescent device, a method for manufacturing the electroluminescent device, a display panel and a display device are provided in the embodiments of the present application. The electroluminescent device includes an anode layer, a first hole injection layer and a hole transport layer. The first hole injection layer is located between the anode layer and the hole transport layer; the first hole injection layer includes at least two secondary hole injection layers, and an equivalent resistance value of the at least two secondary hole injection layers is greater than a first threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.