Color control by alteration of wavelenght converting element

Color control by alteration of wavelenght converting element

A light emitting device is produced by depositing a layer of wavelength converting material over the light emitting device, testing the device to determine the wavelength spectrum produced and correcting the wavelength converting member to produce the desired wavelength spectrum. The wavelength conv...

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Hauptverfasser: PAOLINI STEVEN, CHAO PUJOL OSCAR A, CAMRAS MICHAEL D, EPLER JOHN E, STERANKA FRANK M
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator PAOLINI STEVEN
CHAO PUJOL OSCAR A
CAMRAS MICHAEL D
EPLER JOHN E
STERANKA FRANK M
description A light emitting device is produced by depositing a layer of wavelength converting material over the light emitting device, testing the device to determine the wavelength spectrum produced and correcting the wavelength converting member to produce the desired wavelength spectrum. The wavelength converting member may be corrected by reducing or increasing the amount of wavelength converting material. In one embodiment, the amount of wavelength converting material in the wavelength converting member is reduced, e.g., through laser ablation or etching, to produce the desired wavelength spectrum.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Color control by alteration of wavelenght converting element
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