Global IP Counselors, LLP
Light emitting device
A light emitting device includes a semiconductor light emitting element to emit an excitation light, a wavelength converting member to emit fluorescent light upon being irradiated with the excitation light, a package supporting the semiconductor light emitting element and the wavelength converting member, and a first photodetector configured to detect the excitation light and a second photodetector to detect the fluorescent light, located in the package.
NICHIA CORPORATION
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Takashi Naoto Wataru
Miyoshi Morizumi Kuribayashi