Patent ID: 7655954
Filing Date: 2010-02-02
Classification: F21K,F21Y,H01L

Abstract:
1. An array type light-emitting device with high color rendering index, comprising: a substrate; an array type light-emitting module electrically disposed on the substrate, wherein the array type light-emitting module is composed of a blue light-emitting chip set, a red light-emitting chip set, a green light-emitting chip set, a yellow light-emitting chip set, and an amber light-emitting chip set, wherein said blue light-emitting chip set includes eight blue LED chips arranged in a pair of spaced apart outer-most blue light-emitting chip rows, wherein four of the eight blue LED chips are arranged to form one of said pair of the outer-most light-emitting chip rows, and other four of the eight blue LED chips are arranged to form another of said pair of the outer-most light-emitting chip rows, and wherein said red, green, yellow, and amber light-emitting chip sets are disposed between said outer-most blue light-emitting chip rows; a wavelength-converting layer set covered on the blue light-emitting chip set; and a plurality of transparent layer sets respectively covered on the red light-emitting chip set, the green light-emitting chip set, the yellow light-emitting chip set, and the amber light-emitting chip set, other than blue light-emitting chip set; whereby, a part of visible light emitted by the blue light-emitting chip set is absorbed and converted into visible light with another emission peak wavelength range via the wavelength-converting layer set, and the visible light with another emission peak wavelength range mixes with projecting light projected from the red, the green, the yellow and the amber light-emitting chip sets to make the array type light-emitting device generate white light with a color rendering index of between 90 and 96.