17795218. QUANTUM DOT LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE simplified abstract (BOE TECHNOLOGY GROUP CO., LTD.)

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QUANTUM DOT LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

Organization Name

BOE TECHNOLOGY GROUP CO., LTD.

Inventor(s)

Xiaoyuan Zhang of Beijing (CN)

QUANTUM DOT LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 17795218 titled 'QUANTUM DOT LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

The present disclosure introduces a quantum dot light-emitting device and its manufacturing method, addressing issues like low luminous efficiency and short service life in conventional devices.

  • The quantum dot light-emitting device consists of a first electrode, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer, and a second electrode, all made of inorganic materials.
  • The hole transport layer includes a first and a second hole transport layer, with the second layer containing an inorganic perovskite material.
  • This innovation aims to improve luminous efficiency, stability, and longevity of quantum dot light-emitting devices.

Potential Applications: - Display technology - Lighting applications - Consumer electronics

Problems Solved: - Low luminous efficiency - Unstable performance - Short service life

Benefits: - Improved luminous efficiency - Enhanced stability - Prolonged service life

Commercial Applications: Title: Quantum Dot Light-Emitting Devices for High-Performance Displays This technology can be utilized in high-end displays, lighting products, and other consumer electronics, enhancing their performance and longevity.

Prior Art: Research on inorganic materials in quantum dot light-emitting devices.

Frequently Updated Research: Ongoing studies on the optimization of inorganic materials for quantum dot light-emitting devices.

Questions about Quantum Dot Light-Emitting Devices: 1. How do quantum dot light-emitting devices compare to traditional LED displays? Quantum dot light-emitting devices offer higher luminous efficiency and better color accuracy compared to traditional LED displays. 2. What are the environmental implications of using inorganic materials in these devices? Inorganic materials used in quantum dot light-emitting devices can be more stable and less prone to degradation, potentially leading to longer-lasting and more sustainable products.


Original Abstract Submitted

The present disclosure provides a quantum dot light-emitting device, a manufacturing method thereof and a display device, belongs to the field of display technology, and can solve problems of low luminous efficiency, unstable performance and short service life of conventional quantum dot light-emitting devices. The quantum dot light-emitting device of the present disclosure includes: a first electrode, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer and a second electrode, which are sequentially stacked, and materials of the hole transport layer, the quantum dot light-emitting layer and the electron transport layer are all inorganic materials; and the hole transport layer includes a first hole transport layer and a second hole transport layer which are sequentially stacked, the first hole transport layer is at a side close to the first electrode, and a material of the second hole transport layer includes an inorganic perovskite material.

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