View source for 17953533. ELECTROLUMINESCENT DEVICE AND SEMICONDUCTOR NANOPARTICLE simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

=ELECTROLUMINESCENT DEVICE AND SEMICONDUCTOR NANOPARTICLE=


==Organization Name==

[[:Category:SAMSUNG ELECTRONICS CO., LTD.|SAMSUNG ELECTRONICS CO., LTD.]]


[[Category:SAMSUNG ELECTRONICS CO., LTD.]]

==Inventor(s)==

[[:Category:Yuho Won of Suwon-si (KR)|Yuho Won of Suwon-si (KR)]][[Category:Yuho Won of Suwon-si (KR)]]

[[:Category:Jeong Hee Lee of Suwon-si (KR)|Jeong Hee Lee of Suwon-si (KR)]][[Category:Jeong Hee Lee of Suwon-si (KR)]]

[[:Category:Eun Joo Jang of Suwon-si (KR)|Eun Joo Jang of Suwon-si (KR)]][[Category:Eun Joo Jang of Suwon-si (KR)]]

[[:Category:Hyo Sook Jang of Suwon-si (KR)|Hyo Sook Jang of Suwon-si (KR)]][[Category:Hyo Sook Jang of Suwon-si (KR)]]

[[:Category:Seonmyeong Choi of Suwon-si (KR)|Seonmyeong Choi of Suwon-si (KR)]][[Category:Seonmyeong Choi of Suwon-si (KR)]]

==ELECTROLUMINESCENT DEVICE AND SEMICONDUCTOR NANOPARTICLE - A simplified explanation of the abstract==


This abstract first appeared for US patent application 17953533 titled 'ELECTROLUMINESCENT DEVICE AND SEMICONDUCTOR NANOPARTICLE

==Simplified Explanation==

An electroluminescent device is described in this patent application. The device consists of two electrodes and a light emitting layer containing semiconductor nanoparticles. The semiconductor nanoparticles used in this device do not contain cadmium and are made up of zinc, selenium, tellurium, and sulfur. These nanoparticles have a core-shell structure, with a core made of a first semiconductor nanocrystal and a shell surrounding it. The first semiconductor nanocrystals contain sulfur and are part of the zinc chalcogenide family. The mole ratio of sulfur to tellurium in the nanoparticles is between 0.5:1 and 110:1. The nanoparticles are designed to emit light with a wavelength between 440 nm and 580 nm, and they have a high quantum yield of at least 40%.

* The electroluminescent device includes two electrodes and a light emitting layer with semiconductor nanoparticles.
* The semiconductor nanoparticles used in the device do not contain cadmium.
* The nanoparticles have a core-shell structure, with a core made of a first semiconductor nanocrystal and a shell surrounding it.
* The first semiconductor nanocrystals in the nanoparticles contain sulfur and are part of the zinc chalcogenide family.
* The mole ratio of sulfur to tellurium in the nanoparticles is between 0.5:1 and 110:1.
* The nanoparticles emit light with a wavelength between 440 nm and 580 nm.
* The nanoparticles have a high quantum yield of at least 40%.

==Potential Applications==
This technology has potential applications in various fields, including:

* Lighting: The electroluminescent device can be used for energy-efficient lighting solutions.
* Displays: The device can be utilized in the development of high-quality displays for electronic devices.
* Optoelectronics: The semiconductor nanoparticles can be integrated into optoelectronic devices for various applications.

==Problems Solved==
This technology addresses several problems in the field of electroluminescent devices, such as:

* Cadmium-free alternative: By using semiconductor nanoparticles that do not contain cadmium, the device offers a safer and more environmentally friendly option.
* High quantum yield: The nanoparticles have a quantum yield of at least 40%, ensuring efficient light emission.
* Tunable emission wavelength: The device can emit light within a specific wavelength range, allowing for customization and compatibility with different applications.

==Benefits==
The use of this technology offers several benefits, including:

* Environmental friendliness: The absence of cadmium in the semiconductor nanoparticles reduces the environmental impact.
* Energy efficiency: The electroluminescent device provides energy-efficient lighting and display solutions.
* Customizability: The emission wavelength of the device can be tailored to specific requirements, enabling versatility in various applications.


==Original Abstract Submitted==

An electroluminescent device includes a first electrode and a second electrode spaced apart from each other, and a light emitting layer including semiconductor nanoparticles. The semiconductor nanoparticles do not contain cadmium, the semiconductor nanoparticles include zinc, selenium, tellurium, and sulfur, the semiconductor nanoparticles have a core-shell structure including a core including a first semiconductor nanocrystal and a shell disposed on the core, the first semiconductor nanocrystals include a first zinc chalcogenide containing sulfur, in the semiconductor nanoparticles, a mole ratio of sulfur to tellurium is greater than or equal to about 0.5:1 and less than or equal to about 110:1, and the semiconductor nanoparticles are configured to emit light having a maximum emission peak wavelength of greater than or equal to about 440 nanometers (nm) and less than or equal to about 580 nm, and the semiconductor nanoparticles have a quantum yield of greater than or equal to about 40%.



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