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Janeway, Kimberly (December 12, 2014). "LED lightbulbs that promise to help you sleep". Consumer Reports . Retrieved May 10, 2018. Data Sheet— HLMP-1301, T-1 (3 mm) Diffused LED Lamps". Avago Technologies . Retrieved May 30, 2010. a b Mori, M.; Hamamoto, A.; Takahashi, A.; Nakano, M.; Wakikawa, N.; Tachibana, S.; Ikehara, T.; Nakaya, Y.; Akutagawa, M.; Kinouchi, Y. (2007). "Development of a new water sterilization device with a 365 nm UV-LED". Medical & Biological Engineering & Computing. 45 (12): 1237–1241. doi: 10.1007/s11517-007-0263-1. PMID 17978842. S2CID 2821545. a b Kho, Mu-Jeong; Javed, T.; Mark, R.; Maier, E.; David, C (March 4, 2008). Final Report: OLED Solid State Lighting. Kodak European Research. Cambridge Science Park, Cambridge, UK.

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a b Bardsley, J. N. (2004). "International OLED Technology Roadmap". IEEE Journal of Selected Topics in Quantum Electronics. 10 (1): 3–4. Bibcode: 2004IJSTQ..10....3B. doi: 10.1109/JSTQE.2004.824077. S2CID 30084021.

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In an organic light-emitting diode ( OLED), the electroluminescent material composing the emissive layer of the diode is an organic compound. The organic material is electrically conductive due to the delocalization of pi electrons caused by conjugation over all or part of the molecule, and the material therefore functions as an organic semiconductor. [116] The organic materials can be small organic molecules in a crystalline phase, or polymers. [117]

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Gustafsson, G.; Cao, Y.; Treacy, G. M.; Klavetter, F.; Colaneri, N.; Heeger, A. J. (1992). "Flexible light-emitting diodes made from soluble conducting polymers". Nature. 357 (6378): 477–479. Bibcode: 1992Natur.357..477G. doi: 10.1038/357477a0. S2CID 4366944. In the work of Cao et al., [189] researchers targeted the outcoupling problem, which is that the optical physics of thin-film LEDs causes the majority of light generated by the semiconductor to be trapped in the device. [190] To achieve this goal, they demonstrated that solution-processed perovskites can spontaneously form submicrometre-scale crystal platelets, which can efficiently extract light from the device. These perovskites are formed via the introduction of amino acid additives into the perovskite precursor solutions. In addition, their method is able to passivate perovskite surface defects and reduce nonradiative recombination. Therefore, by improving the light outcoupling and reducing nonradiative losses, Cao and his colleagues successfully achieved PLED with EQE up to 20.7%. [189] Control the music playing on the cover directly. You can control the music play without opening the cover. Scientist's new database can help protect wildlife from harmful hues of LED lights". USC News. June 12, 2018 . Retrieved December 16, 2019. Cool light: In contrast to most light sources, LEDs radiate very little heat in the form of IR that can cause damage to sensitive objects or fabrics. Wasted energy is dispersed as heat through the base of the LED.

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Customizable lighting style: mood lighting or LED icon. When Galaxy S20 is facing downwards, You can customize the lighting as mood lighting or a LED icon. Peláez, E. A; Villegas, E. R (2007). "LED power reduction trade-offs for ambulatory pulse oximetry". 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Vol.2007. pp.2296–9. doi: 10.1109/IEMBS.2007.4352784. ISBN 978-1-4244-0787-3. PMID 18002450. S2CID 34626885. Destriau, G. (1936). "Recherches sur les scintillations des sulfures de zinc aux rayons". Journal de Chimie Physique. 33: 587–625. doi: 10.1051/jcp/1936330587.