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What is Ultraviolet (UV) light emitter?

Thermionic emission

Reflector (photography)

Ultraviolet light

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An Ultraviolet (UV) light emitter is a device crucial for optical disinfection, spectroscopy, and communication applications. These emitters, particularly in the UVC range (230-280nm), are essential for their effectiveness and safety. They are often based on electron-beam pumping of heterostructures with quantum wells in materials like (Al,Ga)N, offering advantages such as high output power and overcoming issues like p-type doping. Additionally, UV light-emitting elements can utilize electron release operations within a vacuum-sealed environment to generate UV light effectively. Furthermore, UV light-emitting diodes can be designed with specific structures like transparent substrates and epitaxial layers to optimize light emission. Overall, UV light emitters play a vital role in various technological advancements and applications.

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Patent Ultraviolet light-emitting diode Zheng Wei Pu, Tsai Fu Yi, Hsu Ming Sen - Show less +2 more 01 Oct 2020	An ultraviolet light-emitting diode (UV LED) is a device that emits ultraviolet light. It consists of a transparent substrate, UV illuminant epitaxial structure, and a transparent structure with specific refractive indices.
Patent Ultraviolet light-emitting element Lee June Key, Park Joon Mo, Lee Han Sung, Lee Nae Sung - Show less +3 more 17 Dec 2020	An ultraviolet light emitter in this context is a device that utilizes an electron release operation within a vacuum-sealed element to generate ultraviolet light by electron collisions with specific substrates.
Patent Ultraviolet light emitter Duck Graham Ian, Koudehi Babak Adeli, Babaie Ashkan - Show less +2 more 25 Feb 2021	An Ultraviolet (UV) light emitter is a light emitting diode (LED) coupled to a UV reflector with a smooth, continuous surface, directing UV light towards the reflector for treatment applications.
Journal Article•DOI Electron-Beam-Pumped UVC Emitters Based on an (Al,Ga)N Material System V. N. Jmerik, Vladimir I. Kozlovsky, Xinqiang Wang - Show less +2 more 15 Jul 2023-Nanomaterials	An Ultraviolet C (UVC) light emitter is a device utilizing electron-beam pumping of (Al,Ga)N heterostructures with quantum wells to produce powerful UVC light for disinfection, spectroscopy, and communication applications.
Open access•Posted Content•DOI Electron-Beam Pumped UVC-Emitters Based on (Al, Ga)N Material System 20 Jun 2023	Ultraviolet (UV) light emitters are crucial for disinfection, spectroscopy, and communication. Electron-beam pumped UVC-emitters based on (Al, Ga)N offer high output power in the 230-280nm range without p-type doping issues.

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