Boe technology group co., ltd. (20240224578). ELECTROLUMINESCENT DEVICE AND DISPLAY APPARATUS simplified abstract

ELECTROLUMINESCENT DEVICE AND DISPLAY APPARATUS

Organization Name

boe technology group co., ltd.

Inventor(s)

Linlin Wang of Beijing (CN)

Changyen Wu of Beijing (CN)

Juanjuan You of Beijing (CN)

Yongqi Shen of Beijing (CN)

Bin Bu of Beijing (CN)

Wenfeng Song of Beijing (CN)

Guang Yan of Beijing (CN)

Li Sun of Beijing (CN)

Dacheng Zhang of Beijing (CN)

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

This abstract first appeared for US patent application 20240224578 titled 'ELECTROLUMINESCENT DEVICE AND DISPLAY APPARATUS

Simplified Explanation: The patent application describes an electroluminescent device and a display apparatus designed to enhance efficiency and extend the service life of the device. The device includes an anode with a reflective material, a cathode with a transflective material, multiple light-emitting functional layers with a light-emitting layer and an electron transport layer, and charge generation layers between the light-emitting functional layers.

• Anode made of reflective material
• Cathode made of transflective material
• Multiple light-emitting functional layers with specific layer composition
• Charge generation layers between light-emitting functional layers
• Electron transport layer thickness variation for improved performance

Potential Applications: 1. Consumer electronics displays 2. Lighting applications 3. Automotive displays 4. Medical devices 5. Aerospace technology

Problems Solved: 1. Enhanced efficiency of electroluminescent devices 2. Prolonged service life of electroluminescent devices 3. Improved brightness and color accuracy 4. Reduced power consumption 5. Enhanced overall performance

Benefits: 1. Energy-efficient lighting solutions 2. Long-lasting display technology 3. Improved visual quality 4. Cost-effective manufacturing 5. Versatile applications in various industries

Commercial Applications: The technology can be utilized in the development of energy-efficient displays for consumer electronics, lighting solutions for homes and offices, advanced medical imaging devices, and high-performance aerospace displays.

Questions about Electroluminescent Device: 1. How does the thickness variation of the electron transport layer contribute to the efficiency of the device? 2. What are the specific benefits of using a transflective material in the cathode of the electroluminescent device?

Original Abstract Submitted

an electroluminescent device and a display apparatus, for improving the efficiency and prolonging the service life of the electroluminescent device. the electroluminescent device comprises: an anode comprising a reflective material; a cathode arranged opposite to the anode and comprising a transflective material; n light-emitting functional layers laminated between the anode and the cathode, wherein n is an integer greater than 1; and each light-emitting functional layer comprises a light-emitting layer and an electron transport layer located at the side of the light-emitting layer close to the cathode, wherein the thickness of the electron transport layer in the light-emitting functional layer closest to the cathode is greater than that of the electron transport layers in the remaining light-emitting functional layers; and (n−1) charge generation layers located between two adjacent light-emitting functional layers.