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公开(公告)号：KR101109123B1
公开(公告)日：2012-02-15
申请号：KR1020080085493
申请日：2008-08-29
Applicant: 한국화학연구원
Abstract: 본 발명은 고색순도 적색 발광 특성을 가지는 갈륨산화물계 형광체 분말의 제조방법에 관한 것으로서, 더욱 상세하게는 모체로 갈륨(Ga) 산화물과 가돌리늄(Gd) 또는 이트륨(Y)의 산화물을 사용하고, 활성제로 유로퓸(Eu)을 사용하며, 더 이상의 융제(Flux)를 첨가하지 않고서 분무열분해법을 통하여 제조하는 입자 크기가 균일한 갈륨산화물계 형광체 분말의 제조방법에 관한 것이다. 본 발명의 제조방법으로 제조된 갈륨산화물계 형광체는 자외선 여기조건에서 발광 특성이 우수하므로 고색순도용 적색 표시소자 분야에 유용하게 적용된다.
갈륨산화물계 형광체, 분무열분해, 냉음극 형광램프(Cold Cathode Fluorescent Lamp, CCFL)-
公开(公告)号：KR1020100026474A
公开(公告)日：2010-03-10
申请号：KR1020080085493
申请日：2008-08-29
Applicant: 한국화학연구원
Abstract: PURPOSE: A synthetic method of red emitting gallate phosphors is provided to prepare red-emitting gallate phosphor powder with improved luminous efficiency and color purity in ultraviolet excitation conditions. CONSTITUTION: A synthetic method of red emitting gallate phosphors represented by chemical formula 1: Ln_(3-x)GaO_6:Eu_x comprises the steps of: preparing a precursor solution of 0.02-2 M concentration by adding a base material and a dopant doping the base material in a phosphor composition represented by chemical formula 1; and preparing phosphor powder by spraying the precursor solution inside a tubular reactor of a pyrolysis atomizer in which a temperature is maintained at 200-1500 °C.
Abstract translation: 目的：提供红色发光没食子酸酯磷光体的合成方法，以制备发光效率和紫外线激发条件下色纯度的红发射没食子激素荧光粉。 构成：由化学式1：Ln_（3-x）GaO_6：Eu_x表示的红色没有发光的没食子酸酯磷光体的合成方法包括以下步骤：通过加入基底材料和掺杂掺杂剂的掺杂剂制备0.02-2M浓度的前体溶液 由化学式1表示的荧光体组合物中的基材; 并通过将前体溶液喷射在其中温度保持在200-1500℃的热解雾化器的管式反应器中来制备荧光体粉末。
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公开(公告)号：KR100878351B1
公开(公告)日：2009-01-15
申请号：KR1020070087989
申请日：2007-08-31
Applicant: 한국화학연구원
IPC: C09K11/00
Abstract: A red-emitting phosphor is provided to ensure high brightness and excellent chromatic purity under 200-500 nm excitation which is a long wavelength UV range and to be applied to a cold cathode fluorescent lamp and ultraviolet excitation light emitting diode. A red-emitting phosphor for a cold cathode fluorescent lamp and ultraviolet excitation light emitting diode has a composition of the chemical formula: [Na(Y_(1-x-y)Gd_x)GeO_4:Eu_y] and is excited in the long wavelength UV range of 200-500 nm. In the chemical formula, 0
Abstract translation: 提供了一种红色发光荧光体，以确保在长波长紫外范围内的200-500nm激发下的高亮度和优异的色纯度，并施加到冷阴极荧光灯和紫外线激发发光二极管。 用于冷阴极荧光灯和紫外激发发光二极管的红色发光荧光体具有化学式为[Na（Y_（1-xy）Gd_x）GeO_4：Eu_y]的组成，并且在长波长紫外范围 200-500nm。 在化学式中，0 <= x <= 0.525和0.175 <= y <= 0.7。
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