18070635. CORE SHELL QUANTUM DOT, PRODUCTION METHOD THEREOF, AND ELECTRONIC DEVICE INCLUDING THE SAME simplified abstract (Samsung Electronics Co., Ltd.)
Contents
CORE SHELL QUANTUM DOT, PRODUCTION METHOD THEREOF, AND ELECTRONIC DEVICE INCLUDING THE SAME
Organization Name
Inventor(s)
Soo Kyung Kwon of Suwon-si (KR)
Seon-Yeong Kim of Suwon-si (KR)
Yong Wook Kim of Yongin-si (KR)
CORE SHELL QUANTUM DOT, PRODUCTION METHOD THEREOF, AND ELECTRONIC DEVICE INCLUDING THE SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 18070635 titled 'CORE SHELL QUANTUM DOT, PRODUCTION METHOD THEREOF, AND ELECTRONIC DEVICE INCLUDING THE SAME
Simplified Explanation
The patent application describes a quantum dot made of zinc, tellurium, and selenium, without the use of cadmium. The quantum dot emits light in a wavelength range greater than 470 nm and has a high quantum efficiency of at least 10%. The quantum dot consists of a core made of a first semiconductor nanocrystal and a semiconductor nanocrystal shell surrounding the core.
- The quantum dot is made of zinc, tellurium, and selenium, avoiding the use of cadmium.
- It emits light in a wavelength range greater than 470 nm.
- The quantum efficiency of the quantum dot is at least 10%.
- The quantum dot consists of a core made of a first semiconductor nanocrystal.
- The core is surrounded by a semiconductor nanocrystal shell.
Potential Applications
- Display technology: The quantum dot's ability to emit light in a specific wavelength range can be utilized in display technologies, such as LCD screens, to enhance color accuracy and brightness.
- Lighting: The high quantum efficiency of the quantum dot makes it suitable for use in energy-efficient lighting applications, such as LED bulbs.
- Solar cells: The quantum dot's unique properties can be utilized in solar cells to improve their efficiency and performance.
Problems Solved
- Elimination of cadmium: The use of zinc, tellurium, and selenium in the quantum dot composition eliminates the need for cadmium, which is a toxic element.
- Enhanced luminescence: The quantum dot's emission in a wavelength range greater than 470 nm allows for brighter and more vibrant displays and lighting.
Benefits
- Non-toxic composition: The absence of cadmium in the quantum dot makes it safer for both manufacturing processes and end-users.
- High quantum efficiency: The quantum dot's efficiency of at least 10% ensures that a significant portion of the energy is converted into light, resulting in brighter and more energy-efficient devices.
- Versatile applications: The quantum dot's unique properties make it suitable for various applications, including displays, lighting, and solar cells.
Original Abstract Submitted
A quantum dot comprising zinc, tellurium, and selenium and not comprising cadmium, wherein a maximum luminescent peak of the quantum dot is present in a wavelength range of greater than about 470 nanometers (nm) and a quantum efficiency of the quantum dot is greater than or equal to about 10%, and wherein the quantum dot comprises a core comprising a first semiconductor nanocrystal and a semiconductor nanocrystal shell disposed on the core.
