-
公开(公告)号：KR1020030086117A
公开(公告)日：2003-11-07
申请号：KR1020020024490
申请日：2002-05-03
Applicant: 한국화학연구원
IPC: C09K11/80
CPC classification number: C09K11/7769 , C09K11/7768 , C09K11/7774 , H01J2211/42 , Y02B20/181
Abstract: PURPOSE: Provided is a terbium activated green fluorescence material for vacuum ultraviolet excitation, which is excited by radiating vacuum ultraviolet rays, has short afterglow time and excellent brightness, and can be used for plasma display panels(PDP). CONSTITUTION: The terbium activated green fluorescence material represented by the formula AB1-xC3O7:Tbx is produced by adding the terbium as an active agent to AB1-xC3O7 matrix, wherein A is Ca, Sr, or a mixture thereof, B is Y, La, Gd, or a mixture thereof, C is Al, Ga, or a mixture thereof, and x is the range of 0.005
Abstract translation: 目的：提供一种用于真空紫外线激发的铽激活绿色荧光材料，其通过辐射真空紫外线激发，具有短的余辉时间和优异的亮度，并且可用于等离子体显示面板（PDP）。 构成：通过将铽作为活性剂加入到AB1-xC3O7基质中，其中A是Ca，Sr或其混合物，B是Y，La，由AB1-xC3O7：Tbx表示的铽激活的绿色荧光材料 ，Gd或其混合物，C为Al，Ga或其混合物，x为0.005
-
公开(公告)号：KR1020030064099A
公开(公告)日：2003-07-31
申请号：KR1020020004542
申请日：2002-01-25
Applicant: 한국화학연구원
IPC: C09K11/74
CPC classification number: C09K11/7709 , C09K11/7708 , H01J2211/42 , Y02B20/181
Abstract: PURPOSE: A YRO4-based (R is As, Nb, P, V) blue fluorescent substance for a plasma display panel and its preparation method are provided, wherein the blue fluorescent substance has an excellent luminance efficiency at VUV and a good color purity and the luminance intensity of blue fluorescent substance can be controlled according to the composition of an activator and the composition. CONSTITUTION: The YRO4-based blue fluorescent substance is represented by Y(NbmP1-m-nVn)O4, wherein 0.02
Abstract translation: 目的：提供一种用于等离子体显示面板的YRO4基（R为As，Nb，P，V）蓝色荧光物质及其制备方法，其中蓝色荧光物质在VUV下具有优异的发光效率和良好的色纯度， 可以根据活化剂的组成和组成控制蓝色荧光物质的亮度强度。 构成：基于YRO4的蓝色荧光物质由Y（NbmP1-m-nVn）O4表示，其中0.02
-
公开(公告)号：KR100369709B1
公开(公告)日：2003-01-29
申请号：KR1020000083108
申请日：2000-12-27
Applicant: 한국화학연구원
IPC: C09K11/08
Abstract: PURPOSE: Provided is a method for producing a red phosphor based on gadolinium oxide which shows excellent luminous brightness in low-speed electronic tube and stable physical property even under high vacuum, and which is suitable for field emission display(FED) excellent in color purity. CONSTITUTION: The method comprises the steps of (i) weighing europium oxide(Eu2O3) as activating agent into gadolinium oxide(Gd2O3) phosphor matrix in a predetermined ratio according to desired composition; (ii) mixing the compounds in the presence of acetone solvent using ball milling or mortar mixer, introducing the mixture into oven and drying the mixture at 100-150 deg.C; and (iii) heat treating the dried mixture at 800-1500 deg.C using electric furnace in high purity alumina boat under reduction atmosphere using 2-30% hydrogen containing mixed gas. The phosphor is represented by formula 1: Gd2O3:Eux(wherein 0.005
Abstract translation: 目的：提供一种基于氧化钆的红色荧光体的制造方法，其在低速电子管中显示优异的发光亮度，并且即使在高真空下也具有稳定的物理性质，并且适用于颜色纯度优异的场发射显示器（FED） 。 构成：该方法包括以下步骤：（i）根据所需组成，将氧化铕（Eu 2 O 3）作为活化剂称重入氧化钆（Gd 2 O 3）荧光体基质中; （ii）使用球磨或砂浆混合器在丙酮溶剂存在下混合化合物，将混合物引入烘箱并在100-150℃干燥混合物; （iii）在800-1500℃下，使用电炉在高纯氧化铝舟中在还原气氛下使用2-30％含氢混合气体对干燥混合物进行热处理。 该荧光体由式1表示：Gd 2 O 3：Eux（其中0.005≤x≤1.0）。
-
公开(公告)号：KR100348207B1
公开(公告)日：2002-08-09
申请号：KR1020000034031
申请日：2000-06-21
Applicant: 한국화학연구원
IPC: C09K11/08
Abstract: 본 발명은 란탄갈레이트계 적색 형광체 및 그 제조방법에 관한 것으로서, 본 발명에 따르면, 형광체 모체인 란탄갈레이트(LaGaO
3 )에 활성제로 유로피움옥사이드를 첨가함으로써 저속전자선에서 발광휘도가 우수하고 고진공에서도 안정한 물성을 가지며 저전압 전자선 여기에 의해 구동하는 전계 방출 디스플레이(Field Emission Display, FED)에 적합한 일반식 La
1-X GaO
3 :Eu
X (여기서 x는 0.0005≤X≤0.5이다)로 표시되는 란탄갈레이트계 적색 형광체 및 그 제조방법이 제공된다.
-
-
-
Search Results
114
records
(took 0.02 seconds)
