A lustrous developer according to an embodiment may include: a metallic pigment; and a binder resin. The lustrous developer includes small diameter particles smaller than a volume median diameter of the metallic pigment. A ratio of a volume of particles other than the small diameter particles in the lustrous developer to a volume of the entire lustrous developer is 90.297% or more and 99.314% or less. The volume median diameter of the metallic pigment is 5.91 μm or less.

An electroluminescent cell can comprise a first electrode; a second electrode; and an electroluminescent layer disposed between the first electrode and the second electrode. The second electrode can comprise a light-transmitting electrode layer that can comprise electrically conductive regions interspersed by light-transmitting regions. The light-transmitting regions can have higher light-transmissivity than the electrically conductive regions.

Provided is an electrostatic latent image developing toner including: toner base particles containing a binder resin and a white pigment; and an external additive, wherein silica particles are contained as the external additive, and the following relational expression (1) is satisfied, Relational expression (1): 0.70≤Wh_Si(B)/Wh_Si(A)≤0.95, in the above relational expression (1), Wh_Si (A) represents an NET intensity of a Si element contained in the white electrostatic latent image developing toner measured by wavelength dispersive X-ray fluorescence spectrometer, and Wh_Si (B) represents an NET intensity of a Si element contained in the white electrostatic latent image developing toner that has been ultrasonically dispersed in water.

A toner for developing an electrostatic charge image contains toner particles including first toner particles and second toner particles, the first toner particles having a brightness of less than 90 and the second toner particles having a brightness of 90 or more. The second toner particles constitute 0.1% by number or more and 10% by number or less of the toner particles, and, in the size distribution of the second toner particles, toner particles having a diameter equal to or smaller than the number-average diameter Dn of the toner particles constitute 70% by number or more.

An electrostatic image developing toner set includes a brilliant toner having brilliant toner particles that include a binder resin and a brilliant pigment, and a color toner having color toner particles that include a binder resin and a colorant other than the brilliant pigment. The binder resin included in the brilliant toner particles and the binder resin included in the color toner particles are incompatible with each other.

An electrostatic image developing toner includes a toner particle including a binder resin and a colorant. The net intensity N.sub.S of sulfur included in the toner particle and the total net intensity N.sub.A of an alkali metal and an alkaline-earth metal included in the toner particle, which are measured by X-ray fluorescence analysis, satisfy 1.0<N.sub.S/N.sub.A<22.0.

An electrostatic charge image developing toner includes: a toner particle containing a binder resin; and an external additive containing alumina particles having a volume average particle diameter of more than 5 nm and 80 nm or less and silica particles having a volume average particle diameter of 10 nm or more and 90 nm or less, and in the toner particle, a Net intensity N.sub.A of a total of an alkali metal element and an alkaline earth metal element, measured by fluorescence X-ray analysis, is 0.10 kcps or more and 1.30 kcps or less, and a ratio (Ws/Wa) of a content Ws of the silica particles to a content Wa of the alumina particles is more than 0.5 and less than 35.

An electrostatic image developing toner includes toner particles containing a binder resin. In a differential scanning calorimetry curve of the toner particles, Tg1 is 58° C. or more and 68° C. or less, and Tg1−Tg2 is 20° C. or more and 40° C. or less, where Tg1 is a lowest onset temperature in an endothermic change during a first temperature increase, and Tg2 is a lowest onset temperature in an endothermic change during a second temperature increase.

A white toner for electrostatic image development contains white toner particles that contain a binder resin and a white pigment and satisfy condition 1 below:

condition 1: a grain size distribution index GSD.sub.vL of the white toner particles satisfies formula (1) below, and a ratio of a number of white toner particles having a diameter of 3 μm or less to a total number of white toner particles is 1% by number or more and less than 6% by number:

1.2≤GSD.sub.vL(=D.sub.84v/D.sub.50v)≤1.5   formula (1):

(in formula (1), D.sub.84v is a particle diameter at which a cumulative frequency cumulated from a small diameter side in a volume-based particle size distribution is 84%, and D.sub.50v is a particle diameter at which the cumulative frequency cumulated from the small diameter side in the volume-based particle size distribution is 50%).

A toner for developing an electrostatic charge image includes toner particles that include a binder resin, a releasing agent, a brilliant pigment, and an aminocarboxylic acid compound.