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公开(公告)号：KR1020020072964A
公开(公告)日：2002-09-19
申请号：KR1020010013057
申请日：2001-03-14
Applicant: 대주전자재료 주식회사 , 한국화학연구원
IPC: C09K11/80
CPC classification number: Y02B20/181
Abstract: PURPOSE: Provided are a yellow phosphor of yttrium aluminate which has excellent luminance under excited state of blue light source generated from blue emitting diode, and which is suitable for white light emitting diode, and a method for producing the same. CONSTITUTION: The yellow phosphor of yttrium aluminate is represented by formula: (Y1-a-bCeaLib)3Al5O12(wherein 0.005
Abstract translation: 目的：提供一种在蓝色发光二极管产生的蓝色光源的激发态下具有优异亮度的铝酸钇的黄色荧光体，其适用于白色发光二极管及其制造方法。 构成：铝酸钇的黄色荧光体由下式表示：（Y1-a-bCeaLib）3Al5O12（其中0.005≤a≤0.02,0.1≤b≤0.025）。 该方法包括以下步骤：（i）向作为基质的铝酸钇添加氧化铈（CeO 2）和碳酸锂（Li 2 CO 3），使得式中的0.005 <=0.02,0.01≤b≤0.025; （ii）将混合物干燥并在1,200℃的空气中预干燥干燥的混合物; （iii）冷却预煅烧产物，并在1650℃或更高的温度下对冷却的产品进行热处理; 和（iv）研磨经处理的产品。
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公开(公告)号：KR100367854B1
公开(公告)日：2003-01-10
申请号：KR1020000084132
申请日：2000-12-28
Applicant: 대주전자재료 주식회사 , 한국화학연구원
IPC: C09K11/08
CPC classification number: Y02B20/181
Abstract: PURPOSE: Provided is an yttrium aluminate yellow phosphor, containing thulium, for a white light emitting diode, which is excellent in light emitting brightness under the excitation of blue light source generated from a blue light emitting diode. CONSTITUTION: The yttrium aluminate yellow phosphor represented by the formula: (Y1-a-bCeaTmb)3Al5O12 is produced by a process comprising the steps of: mixing yttrium aluminate with cerium oxide and thulium oxide; drying the mixture and pre-sintering at 1,200deg.C under the atmosphere; cooling the pre-sintered mixture and heat-treating at 1,650deg.C or higher; post-treating such as grinding. In the formula, 0.005
Abstract translation: 本发明提供一种白色发光二极管用含有th的铝酸钇黄色荧光体，其在由蓝色发光二极管产生的蓝色光源的激发下发光亮度优异。 构成：由式（Y 1-a-b Ce a T b）3 Al 5 O 12表示的铝酸钇黄色磷光体通过包括以下步骤的方法生产：将铝酸钇与氧化铈和氧化mixing混合; 干燥混合物并在大气中于1200℃预烧; 冷却预烧结的混合物并在1650℃或更高温度下进行热处理; 后处理如研磨。 在该式中，0.005≤α≤0.03和0≤b≤0.025。
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公开(公告)号：KR1020030078122A
公开(公告)日：2003-10-08
申请号：KR1020020016951
申请日：2002-03-28
Applicant: 대주전자재료 주식회사 , 한국화학연구원
IPC: C09K11/78
CPC classification number: Y02B20/181
Abstract: PURPOSE: A YAG-based yellow fluorescent substance containing lithium, its preparation method and a white light emitting diode containing the yellow fluorescent substance are provided, to improve the emission luminance under the excitation by blue light. CONSTITUTION: The YAG-based yellow fluorescent substance has the composition represented by (Y1-a-b-cGdaCebLic)3(Al1-dGad)5O12, wherein 0.5
Abstract translation: 目的：提供含有YAG的含有锂的黄色荧光物质及其制备方法和含有黄色荧光物质的白色发光二极管，以提高蓝光激发下的发光亮度。 构成：YAG型黄色荧光物质具有由（Y1-ab-cGdaCebLic）3（Al1-dGad）5O12表示的组成，其中0.5 <= a <= 0.8,0.007 <= b <= 0.025,0
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公开(公告)号：KR100348967B1
公开(公告)日：2002-08-17
申请号：KR1020000055830
申请日：2000-09-22
Applicant: 한국화학연구원 , 대주전자재료 주식회사
IPC: C09K11/78
Abstract: 본 발명은 형광 표시관의 발광부에 사용되고, 전자선으로 여기되어 발광하는 갈륨산아연계 청색 형광체 및 그 제조방법에 관한 것으로서, 더욱 상세하게는 형광체 모체인 갈륨산아연(ZnGa
2 O
4 )에 공부활제로 산화툴리움과 탄산리튬을 첨가함으로써 저속 전자선에서 발광휘도와 색순도가 우수하고, 고진공에서도 안정한 물성을 가지며, 저전압 전자선 여기에 의해 구동하는 전계방출디스플레이(Field Emission Display ; FED)에 적합하도록 고휘도를 갖는 하기 화학식 1로 표시되는 갈륨산아연계 청색 형광체 및 그 제조방법에 관한 것이다.
화학식 1
(Zn
1-a Li
a )(Ga
1-b Tm
b )
2 O
4
상기 화학식 1에서 0.05≤a≤0.25이고, 0≤b≤0.1이다.-
Patent Agency Ranking
公开(公告)号：KR1020020055495A
公开(公告)日：2002-07-09
申请号：KR1020000084132
申请日：2000-12-28
Applicant: 대주전자재료 주식회사 , 한국화학연구원
IPC: C09K11/08
CPC classification number: Y02B20/181
Abstract: PURPOSE: Provided is an yttrium aluminate yellow phosphor, containing thulium, for a white light emitting diode, which is excellent in light emitting brightness under the excitation of blue light source generated from a blue light emitting diode. CONSTITUTION: The yttrium aluminate yellow phosphor represented by the formula: (Y1-a-bCeaTmb)3Al5O12 is produced by a process comprising the steps of: mixing yttrium aluminate with cerium oxide and thulium oxide; drying the mixture and pre-sintering at 1,200deg.C under the atmosphere; cooling the pre-sintered mixture and heat-treating at 1,650deg.C or higher; post-treating such as grinding. In the formula, 0.005
Abstract translation: 目的：提供一种用于白色发光二极管的含铀的铝酸钇黄色荧光体，其在由蓝色发光二极管产生的蓝色光源的激发下具有优异的发光亮度。 构成：由式（Y1-a-bCeaTmb）3Al5O12表示的铝酸钇黄色荧光体是通过包括以下步骤的方法制备的：将铝酸钇与氧化铈和氧化：混合; 将混合物干燥并在大气下在1200℃下预烧结; 冷却预烧结的混合物并进行1650℃或更高的热处理; 后处理如研磨。 在该式中，0.005 <= a <= 0.03且0 <= b <= 0.025。
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公开(公告)号：KR100393130B1
公开(公告)日：2003-07-31
申请号：KR1020010013057
申请日：2001-03-14
Applicant: 대주전자재료 주식회사 , 한국화학연구원
IPC: C09K11/80
CPC classification number: Y02B20/181
Abstract: PURPOSE: Provided are a yellow phosphor of yttrium aluminate which has excellent luminance under excited state of blue light source generated from blue emitting diode, and which is suitable for white light emitting diode, and a method for producing the same. CONSTITUTION: The yellow phosphor of yttrium aluminate is represented by formula: (Y1-a-bCeaLib)3Al5O12(wherein 0.005
Abstract translation: 本发明提供一种铝酸钇黄色荧光粉及其制造方法，该荧光粉在蓝色发光二极管发出的蓝色光源激发状态下具有优异的亮度，适用于白色发光二极管。 构成：铝酸钇的黄色磷光体由下式表示：（Y1-a-bCeaLib）3Al5O12（其中0.005≤a≤0.02,0.01≤b≤0.025）。 该方法包括以下步骤：（i）将氧化铈（CeO 2）和碳酸锂（Li 2 CO 3）加入到作为基体的铝酸钇中，使得在所述基体的铝酸钇中0.005≤a≤0.02,0.01≤b≤0.025 式; （ii）将该混合物干燥并在干燥的混合物在1,200℃的气氛中预煅烧; （iii）冷却预煅烧产物，并在1650℃或更高的温度下热处理冷却的产物; 和（iv）研磨处理过的产品。
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公开(公告)号：KR100358811B1
公开(公告)日：2002-10-31
申请号：KR1020000002594
申请日：2000-01-20
Applicant: 한국화학연구원
IPC: C09K11/57
Abstract: 본 발명은 저전압용 갈륨산아연계 녹색 형광체 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 갈륨산아연(ZnGa
2 O
4 )을 모체로 하고 활성제로 망간(Mn)을 도핑하여 제조한 녹색 형광체에 산화아연(ZnO)을 첨가하고 열처리함으로써, 저속 전자선에서 발광 휘도가 우수하고 고진공에서도 안정한 물성을 가지며, 특히 형광표시관(Vacuum Fluorescence Display, VFD) 및 저전압 전자선 여기에 의해 구동하는 전계 방출 디스플레이(Field Emission Display, FED)에 적합하도록 고휘도를 갖는 다음 화학식(1)로 표시되는 저전압용의 산화아연이 첨가된 갈륨산아연계 녹색 형광체 및 이의 제조방법에 관한 것이다.
(Zn
a Mn
b )Ga
2 O
4 : ZnO (1)
상기 화학식에서,
a는 0.97 내지 0.997이고, b는 0.003 내지 0.03이며,
ZnO의 첨가량은 망간이 도핑된 갈륨산아연의 녹색 형광체 100 중량부를 기준하여 0.5 내지 10 중량부이다.-
公开(公告)号：KR1020010073756A
公开(公告)日：2001-08-03
申请号：KR1020000002594
申请日：2000-01-20
Applicant: 한국화학연구원
IPC: C09K11/57
CPC classification number: C09K11/623 , C01P2004/03 , H01J9/20 , H01J29/20 , Y02B20/181
Abstract: PURPOSE: A green phosphor for exciting a low speed of an electronic line is provided to increase illuminant luminance in driving range for low voltage by adding a zinc oxide to the green phosphor of gallium acid zinc in which manganese doped and heat-processing the resultant material. CONSTITUTION: In a green phosphor for exciting the low speed of an electronic line, the green phosphor of gallium acid zinc for low voltage is composed of (ZnaMnb)Ga2O4:ZnO, wherein a is 0.97 to 0.997 and b is 0.003 to 0.03. An adding amount of ZnO is 0.5 to 10 weight in case that the green phosphor of gallium acid zinc in which manganese doped is 100 weight. The green phosphor has excellent illuminant luminance, excellent color purity and stable physical property at high vacuum state.
Abstract translation: 目的：提供用于激发电子线路低速的绿色荧光体，以通过向镓酸锌的绿色荧光体添加氧化锌来增加低电压驱动范围内的发光体亮度，其中锰掺杂并热处理所得材料 。 构成：在用于激发电子线路低速的绿色荧光体中，用于低电压的镓酸锌的绿色荧光体由（ZnaMnb）Ga 2 O 4：ZnO组成，其中a为0.97〜0.997，b为0.003〜0.03。 在掺杂锰的镓酸锌的绿色荧光体为100重量的情况下，ZnO的添加量为0.5〜10重量％。 绿色荧光体在高真空状态下具有优异的发光亮度，优异的色纯度和稳定的物理性能。
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公开(公告)号：KR1020020023058A
公开(公告)日：2002-03-28
申请号：KR1020000055830
申请日：2000-09-22
Applicant: 한국화학연구원 , 대주전자재료 주식회사
IPC: C09K11/78
CPC classification number: C09K11/7745 , C01P2004/03 , C04B35/50 , C04B35/64 , Y02B20/181
Abstract: PURPOSE: A zinc gallate-based blue fluorescent substance for a low voltage and its preparation method are provided, wherein the substance contains thulium, is improved in the brightness and purity at a low voltage, is stable even under high vacuum, and is applied to the field emission display driven by a low voltage electron ray. CONSTITUTION: The blue fluorescent substance is represented by the formula: (Zn1-aLia)(Ga1-bTmb)2O4, wherein 0.05
Abstract translation: 目的：提供一种低密度没食子酸镓基蓝色荧光物质及其制备方法，其中该物质含有ium，在低电压下的亮度和纯度得到改善，甚至在高真空下也是稳定的，并被应用于 由低电压电子射线驱动的场发射显示。 构成：蓝色荧光物质由式（Zn1-aLia）（Ga1-bTmb）2O4表示，其中0.05 <= a <= 0.25，0 <= b <= 0.1。 该方法包括将矾土（Tm 2 O 3）和碳酸锂添加到没食子酸锌（ZnGa 2 O 4）中并混合的步骤; 干燥混合物; 在大气下在1200℃的温度下烧结干燥的; 冷却烧结体并在弱还原气氛下在1000℃以下的温度加热; 并粉碎加热的。
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