US20260068425
2026-03-05
Electricity
H10K50/121
The application introduces a light-emitting element that incorporates a fused polycyclic compound, enhancing its performance in electronic devices. The light-emitting element is constructed with a first electrode, a second electrode, and an emission layer containing the fused polycyclic compound. This compound is detailed through various chemical formulas, primarily represented by Formula 1, which is elaborated in the application.
The development of organic electroluminescence display devices is highlighted, contrasting with traditional liquid displays. These devices are self-emissive, where electrons and holes recombine in an emission layer to produce light. There is a continuous demand for improvements in these devices, aiming for lower driving voltage, higher efficiency, and longer lifespan. This necessitates advancements in the materials used for light-emitting elements.
The disclosed light-emitting element aims to enhance emission efficiency and lifespan. The fused polycyclic compound plays a crucial role in achieving these improvements. It is designed to be part of an electronic device that offers superior display quality by integrating a more efficient and durable light-emitting element. The specific chemical structures of these compounds are outlined in multiple formulas, which are central to the invention.
The invention's core lies in the specific chemical makeup of the fused polycyclic compound. Detailed formulas such as Formula 1 and its variations (Formulas 2 to 4) describe the potential configurations of the compound. These formulas specify the possible elements and groups that can be included, allowing for customization to meet specific performance requirements. The compounds can include a variety of substituents, enhancing their versatility and functionality.
The electronic device, particularly a display device, incorporates the light-emitting element with the fused polycyclic compound in its display element layer. This configuration includes a circuit layer on a base layer, with the emission layer situated between the electrodes. The precise arrangement and chemical composition aim to deliver improved display quality, leveraging the enhanced properties of the fused polycyclic compound.