Boe technology group co., ltd. (20240224554). ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE simplified abstract

From WikiPatents
Jump to navigation Jump to search

ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE

Organization Name

boe technology group co., ltd.

Inventor(s)

Yong Wu of Beijing (CN)

Xiaojin Zhang of Beijing (CN)

Haiyan Sun of Beijing (CN)

ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240224554 titled 'ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE

The present disclosure introduces an organic electroluminescent device and a display device to address issues with poor luminescent efficiency and short lifespan in existing organic electroluminescent devices.

  • The organic electroluminescent device includes a first electrode, a second electrode, and a light-emitting layer containing specific compounds.
  • The first compound in the light-emitting layer meets a certain formula, while the third compound meets another formula.
  • The second compound has a minimal difference between its triplet and singlet energy levels, enhancing the device's performance.

Potential Applications: This technology can be used in the development of high-performance display devices for various applications such as smartphones, televisions, and wearable technology.

Problems Solved: The innovation addresses the issues of poor luminescent efficiency and short lifespan commonly found in organic electroluminescent devices.

Benefits: The organic electroluminescent device offers improved efficiency and longevity, leading to enhanced display quality and durability in electronic devices.

Commercial Applications: This technology has significant commercial potential in the consumer electronics industry, particularly in the production of advanced displays for a wide range of devices.

Questions about Organic Electroluminescent Devices: 1. How does the triplet-singlet energy level difference impact the performance of organic electroluminescent devices?

  - The minimal difference between the triplet and singlet energy levels in the second compound contributes to the device's efficiency and longevity.

2. What are the key factors that determine the luminescent efficiency of organic electroluminescent devices?

  - The specific compounds used in the light-emitting layer, as well as their energy levels and compatibility, play a crucial role in determining the device's luminescent efficiency.


Original Abstract Submitted

the present disclosure provides an organic electroluminescent device and a display device, belonging to the field of display technology, which can solve the problem of poor luminescent efficiency and short life of the existing organic electroluminescent devices. the organic electroluminescent device of the present disclosure comprises: a first electrode and a second electrode disposed opposite to each other, and a light-emitting layer located between the first electrode and the second electrode; the light-emitting layer comprising: a first compound, a second compound and a third compound; wherein the first compound satisfies a first general formula; the third compound satisfies a second general formula; and the second compound has a difference between a triplet energy level and a singlet energy level of less than or equal to 0.3 ev.