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US 8,558,447 B2Granted
Dispersion-type electroluminescence device
AssigneeFUJIFILM Corporation
InventorMasashi Shirata
Life of this patent
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Abstract
A dispersion-type electroluminescence device is provided, the dispersion-type electroluminescence device including: a pair of electrodes including a transparent electrode and a back electrode; and at least a light emitting layer provided between the pair of electrodes, the light emitting layer containing phosphor particles, wherein the phosphor particles have D10 of more than 10 μm, D90 of less than 32 μm, and a D90/D10 value of less than 2.40, where D10 and D90 are particle diameters at 10% and 90% values in cumulative distribution of particle size distribution.
Claims5
A dispersion-type electroluminescence device, comprising:
- a pair of electrodes including a transparent electrode and a back electrode;
- and
- at least a light emitting layer provided between the pair of electrodes, the light emitting layer containing phosphor particles,
- wherein the phosphor particles have D10 of more than 10 μm, D90 of less than 32 μm , and a D90/D10 value of less than 2.40, where D10 and D90 are particle diameters at 10% and 90% values in cumulative distribution of particle size distribution.
1 more element
Dependencies are inferred from the claim text.