Ocean's King Lighting Science and Technology Co., Ltd.

Xiaofang Liang

Mingjie Zhou

Jun Liu

Wenbo Ma

Qiurong Liao

Shiliang Liu

Terbium doped phosphate-based green luminescent material and preparation method thereof are provided. The chemical formula of the material is MRETb(PO), wherein, M is alkaline-earth metals, RE is rare-earth elements, x is in a range of 0.001 to 1. The preparation method of the material includes the following steps; providing the compound used as the source of alkaline earth metal, the compound used as the source of phosphate, the compound used as the source of rare-earth, and the compound used as the source of Tbaccording to the molar ratio of the elements in MRETb(PO), wherein, the compound used as the source of phosphate is added at excess molar ratio in a range of 10% to 30%; mixing and grinding the compound to get mixture; sintering the mixture as pre-treatment, and then cooling the mixture to get a sintered matter; grinding; calcining in reducing atmosphere, and then cooling them.

Terbium doped phosphate-based green luminescent material and preparation method thereof

A luminescent material and a preparation method thereof are provided. The said luminescent material is represented by the following chemical formula: LnEuSnO, wherein Ln is selected from one of Gd, Y and La, 0.1&#x2266;x&#x2266;1.5. The said luminescent material has good electrical performance, anti-electron bombardment and stable luminescent property. It is appropriate to be used in field emission light-emitting devices. The said preparation method has simple technique, no pollution, manageable process conditions, low preparation temperature and low equipment requirement, and is beneficial to industry production.

Oxide stannate luminescent material and preparation method thereof

A green luminescent material of terbium doped gadolinium borate is provided. The luminescent material has a formula of MGdTb(BO), wherein, M is alkaline earth metal element and x is 0.005-0.5. The method for preparing the luminescent material comprises the following steps: selecting the source compounds of alkaline earth metal ion, boric acid radical ion (BO), Gdand Tbby the stoichiometric ratio, wherein, the stoichiometric ratio is the molar ratio of the corresponding element in the formula of MGdTb(BO), and the source compound of BOis over 10%-30% by the molar ratio; mixing; pre-treatment by sintering; cooling; grinding; calcination; and cooling to obtain the luminescent material.

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Shenzhen, China

Xiaofang Liang