Light emitting device and lighting fixture provided with the same

A light emitting device provided with a fluorescent member comprising

• a light emitting element having a light emission peak wavelength in a range of 440 nm or more and 470 nm or less,
• a first fluorescent material having a light emission peak wavelength in a range of 480 nm or more and 518 nm or less,
• a second fluorescent material having a light emission peak wavelength in a range of 510 nm or more and less than 590 nm and having an x value of the chromaticity coordinate in CIE1931 in a range of 0.27 or more and 0.40 or less, and
• a third fluorescent material having a light emission peak wavelength in a range of 590 nm or more and 670 nm or less,
• wherein a content (% by mass) of the first fluorescent material relative to a total amount of the first fluorescent material, the second fluorescent material and the third fluorescent material is defined as MP1, a content (% by mass) of the second fluorescent material relative to the total amount of the first fluorescent material, the second fluorescent material and the third fluorescent material is defined as MP2,
• wherein for a maximum value of a light emission intensity in a light emission spectrum of the light emitting device as 1, a maximum wavelength width (nm) at which a light emission intensity in a range of 480 nm or more and 680 nm or less is 0.3 or more is defined as I10.3, and a maximum wavelength width (nm) at which a light emission intensity in a range of 480 nm or more and 580 nm or less is 0.3 or more is defined as I20.3,
• wherein for a correlated color temperature within each of the following ranges, the content MP1, the content MP2, the width I10.3 and the width I20.3 satisfy the following, respectively:
• for the correlated color temperature in a range of 2,000K or higher and lower than 2,800K, the content MP1 is in a range of 5% by mass or more and 50% by mass or less, the content MP2 is in a range of 40% by mass or more and 90% by mass or less, the width I10.3 is in a range of 177 nm or more and 200 nm or less, and the width I20.3 is in a range of 84 nm or more and 100 nm or less,
• for the correlated color temperature in a range of 2,800K or higher and lower than 3,500K, the content MP1 is in a range of 5% by mass or more and 50% by mass or less, the content MP2 is in a range of 40% by mass or more and 90% by mass or less, the width I10.3 is in a range of 183 nm or more and 200 nm or less, and the width I20.3 is in a range of 86 nm or more and 100 nm or less,
• for the correlated color temperature in a range of 3,500K or higher and lower than 4,500K, the content MP1 is in a range of 5% by mass or more and 65% by mass or less, the content MP2 is in a range of 30% by mass or more and 85% by mass or less, the width I10.3 is in a range of 173 nm or more and 200 nm or less, and the width I20.3 is in a range of 90 nm or more and 100 nm or less,
• for the correlated color temperature in a range of 4,500K or higher and lower than 5,700K, the content MP1 is in a range of 5% by mass or more and 50% by mass or less, the content MP2 is in a range of 40% by mass or more and 80% by mass or less, the width I10.3 is in a range of 140 nm or more and 180 nm or less, and the width I20.3 is in a range of 85 nm or more and 100 nm or less, and
• for the correlated color temperature in a range of 5,700K or higher and 7,200K or lower, the content MP1 is in a range of 5% by mass or more and 50% by mass or less, the content MP2 is in a range of 40% by mass or more and 80% by mass or less, and the width I10.3 is in a range of 110 nm or more and 160 nm or less and the width I20.3 is in a range of 81 nm or more and 100 nm or less,
• wherein the first fluorescent material includes a fluorescent material having a composition represented by the following formula (1A):
• (Sr1-vM1v)4Al14O25:Eu (1A)
• wherein M1 is at least one element selected from the group consisting of Mg, Ca, Ba, and Zn, and 0≤v≤5.