Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 22, 2009
Patent Application Number
11860960
Date Filed
September 25, 2007
Patent Primary Examiner
Patent abstract
A small-sized and high-efficiency light emitting device capable of easily emitting green light includes a resonator including a photonic crystal having a refractive-index periodic structure and a point defect member formed in the photonic crystal to disturb the refractive-index periodic structure, and an active member provided inside the resonator and formed by an In containing nitride semiconductor, wherein a wavelength determined by a band gap energy of the active member is included in a photonic band gap range of the photonic crystal, and is set to be shorter than a peak wavelength at a shortest-wavelength side of a resonance mode of the resonator in the photonic band gap range.
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