A white light emitting lamp comprising: a semiconductor light emitting element which is placed on a board and emits ultraviolet light or blue light; and a light emitting portion that is formed so as to cover a light emitting surface of the semiconductor light emitting element, the light emitting portion containing a blue phosphor, a green phosphor, a red phosphor and a deep red phosphor that are excited by the light emitted from the semiconductor light emitting element to respectively emit blue light, green light, red light and a deep red light, the white light emitting lamp emitting white light by mixing light emission colors from the blue phosphor, the green phosphor, the red phosphor and a deep red phosphor with one another, wherein the deep red phosphor has a main emission peak in a longer wavelength region than a main emission peak of the red phosphor, said red phosphor comprises at least one component selected from: a europium-activated SiAlON phosphor having a composition expressed by a general formula of: (Sr 1-x, Eu x) α Sip Al γ O δ N ω in which x, α, β, γ, δ and ω satisfy the following relations 0 < x < 1, 0 < α ≦ 3, 5 ≦ β ≦ 9, 1 ≦ γ ≦ 5, 0.5 ≦ δ ≦ 2 and 5 ≦ ω ≦ 15; and a europium-activated CASN phosphor having a composition expressed by a general formula of: (Sr 1-x-y, Ca x Eu y) Al Si N 3 in which x and y satisfy the following relations 0<x<1, 0<y<0.2, 0 < x+y < 1; and wherein said deep red phosphor comprises a manganese-activated magnesium fluorogermanate phosphor having a composition expressed by a general formula of: α MgO · β MgF 2 · (Ge 1-x, Mn x)O 2 in which α, β and x satisfy the following relations 3.0 ≦ α ≦ 4.0, 0.4 ≦ β ≦ 0.6, 0.001 ≦ x ≦ 0.5. a semiconductor light emitting element which is placed on a board and emits ultraviolet light or blue light; and a light emitting portion that is formed so as to cover a light emitting surface of the semiconductor light emitting element, the light emitting portion containing a blue phosphor, a green phosphor, a red phosphor and a deep red phosphor that are excited by the light emitted from the semiconductor light emitting element to respectively emit blue light, green light, red light and a deep red light, the white light emitting lamp emitting white light by mixing light emission colors from the blue phosphor, the green phosphor, the red phosphor and a deep red phosphor with one another, wherein the deep red phosphor has a main emission peak in a longer wavelength region than a main emission peak of the red phosphor, said red phosphor comprises at least one component selected from: a europium-activated SiAlON phosphor having a composition expressed by a general formula of: (Sr 1-x, Eu x) α Sip Al γ O δ N ω in which x, α, β, γ, δ and ω satisfy the following relations 0 < x < 1, 0 < α ≦ 3, 5 ≦ β ≦ 9, 1 ≦ γ ≦ 5, 0.5 ≦ δ ≦ 2 and 5 ≦ ω ≦ 15; and a europium-activated CASN phosphor having a composition expressed by a general formula of: (Sr 1-x-y, Ca x Eu y) Al Si N 3 in which x and y satisfy the following relations 0<x<1, 0<y<0.2, 0 < x+y < 1; and wherein said deep red phosphor comprises a manganese-activated magnesium fluorogermanate phosphor having a composition expressed by a general formula of: α MgO · β MgF 2 · (Ge 1-x, Mn x)O 2 in which α, β and x satisfy the following relations 3.0 ≦ α ≦ 4.0, 0.4 ≦ β ≦ 0.6, 0.001 ≦ x ≦ 0.5.