Organic electronic device comprising a compound of formula (i), display device comprising the organic electronic device as well as compounds of formula (i) for use in organic electronic devices

The integration of a p-type charge generation layer with specific organic compounds in OLEDs addresses the imbalance of charge flow, enhancing efficiency and stability, thereby improving the performance and lifespan of OLEDs.

TWI933810BActive Publication Date: 2026-08-01NOVALED GMBH
3 Cites 0 Cited by

Patent Information

Application Number
TW110122341
Authority / Receiving Office
TW · TW
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-06-14
Filing Date
2021-06-18
Publication Date
2026-08-01
Estimated Expiration
2041-06-17

AI Technical Summary

Technical Problem

Existing organic light-emitting diodes (OLEDs) face challenges in achieving balanced injection and flow of holes and electrons, leading to suboptimal efficiency and lifespan due to the properties of the compounds in the semiconductor layer.

Method used

Incorporating a charge generation layer comprising a p-type charge generation layer with a compound of formula (I) and an n-type charge generation layer, where the p-type layer includes specific organic compounds with fluorinated or perfluorinated alkyl groups and heteroatoms, enhancing electron and hole injection and transport.

Benefits of technology

The solution improves the stability of operating voltage over time, resulting in superior performance of OLEDs by balancing charge flow and extending device lifespan.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present invention relates to a compound of formula (I) and an organic electronic device comprising a charge-generating layer comprising a compound of formula (I).
Need to check novelty before this filing date? Find Prior Art