PHOTOELECTRIC SEMICONDUCTOR DEVICE
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United States of America Patent
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Jul 19, 2016
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Feb 26, 2016
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Abstract
The instant disclosure provides a photoelectric semiconductor device including a substrate, a light-emitting diode chip, a converting material, an encapsulant, and a protective layer. The light-emitting diode chip is arranged on the substrate. The encapsulant has a Shore hardness of higher than D50 or a moisture-permeable value of less than 10 g/m2·24 hrs, and the converting material includes a first wavelength converting compound having a main peak wavelength in green spectrum and a second wavelength converting compound having a main peak wavelength in red spectrum which are fluorescent materials having a FWHM of equal to or less than 50 nm. The photoelectric semiconductor device provided by the instant disclosure exhibits improved NTSC, brightness and reliability.
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