Nichia Kagaku Kogyo K.k.

Tetsuya Sadamoto

Kouichi Okada

Yoshihito Hario

Toshiaki Tateiwa

Yuji Itsuki

Osamu Sakai

Masato Fujiwara

Kenji Fujino

A phosphor composition contains phosphor particles and a water-soluble rare earth compound uniformly covering the surfaces of the phosphor particles. The rare earth compound is present in an amount of from 0.001 to 5% by weight in terms of the corresponding rare earth oxide, based on the weight of the phosphor particles.

Phosphor composition, phosphor-coating composition, discharge lamp, and

Phosphor composition, phosphor-coating composition, discharge lamp and

A phosphor-coating composition contains phosphor particles, particles of a rare earth compound, a binder, and a dispersing medium. The rare earth compound is present in an amount of 0.001 to 5% by weight in terms of the corresponding oxide.

Phosphor coating composition, and discharge lamp

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Anan, Japan

Tetsuya Sadamoto