Light emitting device

A light emitting device comprising:

• a light emitting element having a light emission peak wavelength within a range of 430 nm or more and 470 nm or less, and
• a fluorescent member, wherein
• the light emitting device emitting light has a correlated color temperature in a range of 4,500 K or more and 5,500 K or less, and
• the fluorescent member comprises:
• a first fluorescent material that is a fluorescent material having a light emission peak wavelength within a range of 440 nm or more and 550 nm or less, having the half value width of the light emission spectrum in a range of 58 nm or more and 78 nm or less, and containing an Eu-activated alkaline earth aluminate,
• a second fluorescent material that is a fluorescent material having a light emission peak wavelength of 650 nm or more, having the half value width of the light emission spectrum of 45 nm or less, and containing a Mn-activated fluorogermanate,
• a third fluorescent material that is a fluorescent material having a light emission peak wavelength within a range of 480 nm or more and 630 nm or less, having the half value width of the light emission spectrum in a range of 95 nm or more and 115 nm or less, and containing a Ce-activated rare earth aluminate, and
• a fourth fluorescent material that is a fluorescent material having a light emission peak wavelength within a range of 620 nm or more and 650 nm or less, having the half value width of the light emission spectrum in a range of 80 nm or more and 100 nm or less, and containing an Eu-activated silicon nitride having Al and at least one of Sr and Ca, wherein
• the first fluorescent material has a content ratio in a range of 7.0% by mass or more and 55.0% by mass or less based on a total fluorescent material amount,
• the second fluorescent material has a content ratio in a range of 22.0% by mass or more and 31.0% by mass or less based on the total fluorescent material amount,
• the third fluorescent material has a content ratio in a range of 20.0% by mass or more and 55.0% by mass or less based on the total fluorescent material amount, and
• the fourth fluorescent material has a content ratio in a range of 2.8% by mass or more and 3.0% by mass or less based on the total fluorescent material amount.

A light emitting device comprising:

• a light emitting element having a light emission peak wavelength within a range of 430 nm or more and 470 nm or less, and
• a fluorescent member, wherein
• the light emitting device emitting light has a correlated color temperature in a range of 5,500 K or more and 7,000 K or less, and
• the fluorescent member comprises:
• a first fluorescent material that is a fluorescent material having a light emission peak wavelength within a range of 440 nm or more and 550 nm or less, having the half value width of the light emission spectrum in a range of 58 nm or more and 78 nm or less, and containing an Eu-activated alkaline earth aluminate,
• a second fluorescent material that is a fluorescent material having a light emission peak wavelength of 650 nm or more, having the half value width of the light emission spectrum of 45 nm or less, and containing a Mn-activated fluorogermanate,
• a third fluorescent material that is a fluorescent material having a light emission peak wavelength within a range of 480 nm or more and 630 nm or less, having the half value width of the light emission spectrum in a range of 95 nm or more and 115 nm or less, and containing a Ce-activated rare earth aluminate, and
• a fourth fluorescent material that is a fluorescent material having a light emission peak wavelength within a range of 620 nm or more and 650 nm or less, having the half value width of the light emission spectrum in a range of 80 nm or more and 100 nm or less, and containing an Eu-activated silicon nitride having Al and at least one of Sr and Ca, wherein
• the first fluorescent material has a content ratio in a range of 15.0% by mass or more and 40.0% by mass or less based on a total fluorescent material amount,
• the second fluorescent material has a content ratio in a range of 18.0% by mass or more and 20.0% by mass or less based on the total fluorescent material amount,
• the third fluorescent material has a content ratio in a range of 35.0% by mass or more and 60.0% by mass or less based on the total fluorescent material amount, and
• the fourth fluorescent material has a content ratio in a range of 2.6% by mass or more and 2.7% by mass or less based on the total fluorescent material amount.