Samsung display co., ltd. (20240341184). LIGHT EMITTING ELEMENT AND DISPLAY DEVICE simplified abstract

LIGHT EMITTING ELEMENT AND DISPLAY DEVICE

Organization Name

samsung display co., ltd.

Inventor(s)

JIYOUNG Lee of Yongin-si (KR)

TSUYOSHI Naijo of Yongin-si (KR)

YUNJEE Park of Yongin-si (KR)

SUNG-SOO Bae of Yongin-si (KR)

HOJUNG Syn of Yongin-si (KR)

HYOSUP Shin of Yongin-si (KR)

CHANGWOONG Chu of Yongin-si (KR)

LIGHT EMITTING ELEMENT AND DISPLAY DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240341184 titled 'LIGHT EMITTING ELEMENT AND DISPLAY DEVICE

Simplified Explanation: The patent application describes a light emitting element for a display device that includes specific components to enhance its performance.

Key Features and Innovation:

• Light emitting element with first electrode, second electrode, and multiple emission layers.
• Emission layers contain hole transporting host, electron transporting host, phosphorescent sensitizer, and a unique fluorescent dopant.
• The fluorescent dopant has a pentacyclic fused ring core with specific substituents and energy levels.

Potential Applications: This technology can be used in various display devices such as TVs, smartphones, and monitors to improve brightness and color accuracy.

Problems Solved: The technology addresses the need for efficient and high-quality light emitting elements in display devices.

Benefits:

• Enhanced brightness and color accuracy.
• Improved energy efficiency.
• Better overall performance of display devices.

Commercial Applications: Potential commercial applications include consumer electronics, signage, and automotive displays, where high-quality lighting is essential for visibility and aesthetics.

Questions about the Technology 1. How does the unique fluorescent dopant improve the performance of the light emitting element? 2. What sets this technology apart from existing light emitting elements in display devices?

2. Another relevant generic question, with a detailed answer: How does the design of the emission layers contribute to the overall efficiency and performance of the light emitting element in display devices?

Original Abstract Submitted

embodiments provide a light emitting element and a display device including the same. the light emitting element includes a first electrode, a second electrode, and a plurality of emission layers disposed between the first electrode and the second electrode, wherein at least one of the plurality of emission layers include a hole transporting host, an electron transporting host, a phosphorescent sensitizer, and a first fluorescent dopant. the first fluorescent dopant comprises a pentacyclic fused ring core that includes one boron atom and two heteroatoms as ring-forming atoms, and at least one amine substituent of the fused ring core; the at least one amine substituent is substituted with at least one substituted or unsubstituted pyrenyl group; and a difference between a triplet state energy level of the first fluorescent dopant and a singlet state energy level of the first fluorescent dopant is equal to or greater than about 0.4 ev.