KR20080033617A - Green phosphor for plasma display panel and plasma display panel - Google Patents

Green phosphor for plasma display panel and plasma display panel Download PDF

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KR20080033617A
KR20080033617A KR1020060099310A KR20060099310A KR20080033617A KR 20080033617 A KR20080033617 A KR 20080033617A KR 1020060099310 A KR1020060099310 A KR 1020060099310A KR 20060099310 A KR20060099310 A KR 20060099310A KR 20080033617 A KR20080033617 A KR 20080033617A
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display panel
plasma display
green phosphor
green
phosphor
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KR1020060099310A
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Korean (ko)
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유영길
김진원
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삼성에스디아이 주식회사
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Priority to KR1020060099310A priority Critical patent/KR20080033617A/en
Priority to JP2007231417A priority patent/JP2008075083A/en
Priority to US11/901,338 priority patent/US7919922B2/en
Priority to EP07116681A priority patent/EP1903088B1/en
Publication of KR20080033617A publication Critical patent/KR20080033617A/en

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Abstract

A green phosphor for a plasma display panel is provided to solve the problem of luminance saturation caused by the use of conventional Zn2SiO4:Mn phosphors, and to improve the green light emitting efficiency in PDPs. A green phosphor for a plasma display panel comprises a compound selected from the group consisting of YAl3(BO3)4:Tb, (Y1-xGdx)Al3(BO3)4:Tb(wherein 0 < x <= 0.4), Y(Al,Ga)3(BO3)4:Tb and a combination thereof. A plasma display panel comprises a red phosphor layer(R), a green phosphor layer(G) and a blue phosphor layer(B), wherein the green phosphor layer comprises a green phosphor selected from the group consisting of YAl3(BO3)4:Tb, (Y1-xGdx)Al3(BO3)4:Tb(wherein 0 < x <= 0.4), Y(Al,Ga)3(BO3)4:Tb and a combination thereof.

Description

플라즈마 디스플레이 패널용 녹색 형광체 및 이를 포함하는 플라즈마 디스플레이 패널{GREEN PHOSPHOR FOR PLASMA DISPLAY PANEL AND PLASMA DISPLAY PANEL}Green phosphor for plasma display panel and plasma display panel including the same {GREEN PHOSPHOR FOR PLASMA DISPLAY PANEL AND PLASMA DISPLAY PANEL}

도 1은 본 발명의 플라즈마 디스플레이 패널을 개략적으로 나타낸 도면.1 is a schematic view of a plasma display panel of the present invention;

도 2는 본 발명의 실시예 1 내지 3 및 비교예 1의 녹색 형광체의 휘도 포화상태를 측정하여 나타낸 그래프.2 is a graph showing the luminance saturation of the green phosphors of Examples 1 to 3 and Comparative Example 1 of the present invention.

[산업상 이용 분야][Industrial use]

본 발명은 플라즈마 디스플레이 패널용 녹색 형광체 및 이를 포함하는 플라즈마 디스플레이 패널에 관한 것으로서, 보다 상세하게는 휘도 포화 특성이 우수한 플라즈마 디스플레이 패널용 녹색 형광체 및 이를 포함하는 플라즈마 디스플레이 패널에 관한 것이다.The present invention relates to a green phosphor for a plasma display panel and a plasma display panel including the same, and more particularly, to a green phosphor for a plasma display panel having excellent luminance saturation characteristics and a plasma display panel including the same.

[종래 기술][Prior art]

플라즈마 디스플레이 패널(plasma display panel)은 플라즈마 현상을 이용한 표시 장치로서, 비진공 상태의 기체 분위기에서 공간적으로 분리된 두 접전간에 어느 이상의 전위차가 인가되면 방전이 발생되는데, 이를 기체 방전 현상으로 지칭한 다.A plasma display panel is a display device using a plasma phenomenon. When a potential difference is applied between two contacts separated spatially in a gas atmosphere in a non-vacuum state, a discharge is generated, which is called a gas discharge phenomenon.

플라즈마 디스플레이 패널은 이러한 기체 방전 현상을 화상 표시에 응용한 평판 표시 소자이다. 현재 일반적으로 사용되고 있는 플라즈마 디스플레이 패널은 반사형 교류 구동 플라즈마 디스플레이 패널로서, 하판의 경우 격벽 위에 형광층과 상판의 경우 MgO층이 직접 방전공간에 노출되어 있다. 따라서 MgO층의 이차 전자 방출계수와 형광층의 표면전하는 형광층과 MgO층에 쌓이는 벽전하 량에 직접적으로 영향을 미칠 수 있다. A plasma display panel is a flat panel display element which applied such gas discharge phenomenon to image display. The plasma display panel which is generally used is a reflective AC drive plasma display panel. In the lower plate, the fluorescent layer and the MgO layer in the upper plate are directly exposed to the discharge space. Therefore, the secondary electron emission coefficient of the MgO layer and the surface charge of the fluorescent layer may directly affect the amount of wall charges accumulated in the fluorescent layer and the MgO layer.

플라즈마 디스플레이 패널에서 형광층은 적색, 녹색 및 청색에 따라서 사용되는 물질 조성이 틀리며, 물질의 종류에 따라서 표면 대전 특성이 다르다. 표면 대전 특성이 양의 값인 경우는 방전 불량이 발생할 확률이 낮지만, 음의 값을 가지는 경우는 방전 불량이 발생할 확률이 높다. 물론 이 확률은 구동방식과 관계가 깊으나, 플라즈마 디스플레이 패널의 방전안정성을 증가시키고 방전 불량율을 감소시키기 위해서는 적색, 녹색 및 청색에 상관없이 표면 대전 특성이 양의 값을 가지도록 적색, 녹색 및 청색 형광체를 선택하는 것이 바람직하다. In the plasma display panel, the fluorescent layer has a different material composition according to red, green, and blue, and its surface charging characteristics are different according to the type of material. When the surface charging characteristic is a positive value, the probability of discharge failure is low. However, when the surface charging characteristic is a negative value, the probability of discharge failure is high. Of course, this probability is closely related to the driving method, but in order to increase the discharge stability and reduce the discharge failure rate of the plasma display panel, the red, green, and blue colors are applied so that the surface charging characteristics are positive regardless of the red, green, and blue colors. It is preferable to select the phosphor.

하지만 플라즈마 디스플레이 패널에서 가장 일반적으로 사용되고 있는 녹색 형광체인 Zn2SiO4:Mn는 뛰어난 휘도 및 색좌료로 인하여 널리 사용되고 있다. 그러나 Zn2SiO4:Mn 표면 저하가 음전하를 띠게 되어 플라즈마 방전시 방전 저하를 초래하는 현상이 발생하고 또한 휘도 포화 특성 때문에 인가된 에너지만큼 발광을 하지 못하게 되어 계조 선형성을 저해하는 결과를 초래하는 문제가 있다. 특히 녹색 형 광체로 인한 녹색 발광이 플라즈마 디스플레이 패널 발광 효율의 60% 이상 차지하므로 이러한 녹색 형광체의 문제점은 디지털 영상 구현을 위하여 큰 단점으로 존재한다.However, Zn 2 SiO 4 : Mn, the green phosphor most commonly used in plasma display panels, is widely used due to its excellent brightness and color coordinates. However, the Zn 2 SiO 4 : Mn surface degradation is negatively charged, causing a discharge drop during plasma discharge, and due to the luminance saturation characteristics, it does not emit light as much as the applied energy, thereby degrading gray scale linearity. There is. In particular, since the green light emission due to the green phosphor occupies 60% or more of the luminous efficiency of the plasma display panel, the problem of the green phosphor exists as a big disadvantage for the digital image.

본 발명의 목적은 휘도 포화 특성을 개선시킨 플라즈마 디스플레이 패널용 녹색 형광체를 제공하는 것이다.An object of the present invention is to provide a green phosphor for a plasma display panel with improved luminance saturation characteristics.

본 발명의 다른 목적은 상기 녹색 형광체를 포함하는 플라즈마 디스플레이 패널을 제공하는 것이다.Another object of the present invention is to provide a plasma display panel including the green phosphor.

상기 목적을 달성하기 위하여, 본 발명은 YAl3(BO3)4:Tb, (Y1-xGd x)Al3(BO3)4:Tb(여기에서, 0 < x ≤ 0.4임), Y(Al,Ga)3(BO3)4:Tb 및 이들의 조합으로 이루어진 군에서 선택되는 화합물을 포함하는 플라즈마 디스플레이 패널용 녹색 형광체를 제공한다.In order to achieve the above object, the present invention is YAl 3 (BO 3 ) 4 : Tb, (Y 1-x Gd x ) Al 3 (BO 3 ) 4 : Tb, where 0 <x ≤ 0.4, Y Provided are a green phosphor for a plasma display panel comprising a compound selected from the group consisting of (Al, Ga) 3 (BO 3 ) 4 : Tb and combinations thereof.

본 발명은 또한 적색 형광체층, 녹색 형광체층 및 청색 형광체층을 포함하는 형광체층을 포함하며, 상기 녹색 형광체층은 상기 녹색 형광체를 포함하는 플라즈마 디스플레이 패널을 제공한다.The present invention also provides a plasma display panel comprising a phosphor layer comprising a red phosphor layer, a green phosphor layer and a blue phosphor layer, wherein the green phosphor layer comprises the green phosphor.

이하 본 발명을 보다 상세하게 설명한다.Hereinafter, the present invention will be described in more detail.

본 발명은 플라즈마 디스플레이 패널용 녹색 형광체에 관한 것이다. 이 녹색 형광체는 휘도 포화 특성이 우수한 YAl3(BO3)4 모체에 활성제로 Tb을 사용하여 540nm대의 메인 발광을 하는 녹색 형광체이다. 또한 상기 모체에서 Y에 Gd를 치환하거나, Al에 Ga를 치환하여 에너지 효율을 증가시킬 수도 있다.The present invention relates to a green phosphor for a plasma display panel. This green phosphor is a green phosphor that emits main light in the 540 nm band using Tb as an activator to a YAl 3 (BO 3 ) 4 matrix having excellent luminance saturation characteristics. In addition, in the matrix, Gd may be substituted for Y or Ga may be substituted for Al to increase energy efficiency.

즉, 본 발명의 녹색 형광체는 YAl3(BO3)4:Tb, (Y1-xGdx)Al3(BO3)4:Tb(여기에서, 0 < x ≤ 0.4임), Y(Al,Ga)3(BO3)4:Tb 및 이들의 조합으로 이루어진 군에서 선택되는 것이 바람직하다. 이 중에서, (Y1-xGdx)Al3(BO3)4:Tb(여기에서, 0 < x ≤ 0.4임)가 더욱 바람직하며, x값은 0.2 내지 0.4가 더욱 바람직하다.That is, the green phosphor of the present invention is YAl 3 (BO 3 ) 4 : Tb, (Y 1 -x Gd x ) Al 3 (BO 3 ) 4 : Tb (where 0 <x ≦ 0.4), Y (Al, Ga) 3 (BO 3 ) 4 : Tb and a combination thereof is preferably selected. Among these, (Y 1-x Gd x ) Al 3 (BO 3 ) 4 : Tb (where 0 <x ≦ 0.4) is more preferable, and the x value is more preferably 0.2 to 0.4.

본 발명의 녹색 형광체는 플라즈마 디스플레이 패널의 녹색 형광막을 형성하는데 사용되며, 본 발명의 녹색 형광체를 포함하는 녹색 형광체 조성물을 사용하여 적색 형광체층, 녹색 형광체층 및 청색 형광체층을 포함하는 형광체층을 포함하는 플라즈마 디스플레이 패널에서 녹색 형광체층을 형성한다. The green phosphor of the present invention is used to form a green phosphor film of a plasma display panel, and includes a phosphor layer including a red phosphor layer, a green phosphor layer and a blue phosphor layer using a green phosphor composition comprising the green phosphor of the present invention. In the plasma display panel to form a green phosphor layer.

상기 녹색 형광체 조성물은 본 발명의 녹색 형광체와 함께 비히클(vehicle)을 포함한다. 상기 비히클은 바인더 수지 및 용매를 포함하며, 바인더 수지가 용매에 용해된 상태이다. 상기 형광체 조성물 제조에 사용되는 바인더 수지와 용매의 예로는 하기 기재된 바와 같으며 이에 한정되는 것은 아니다.The green phosphor composition comprises a vehicle together with the green phosphor of the invention. The vehicle includes a binder resin and a solvent, and the binder resin is dissolved in the solvent. Examples of the binder resin and the solvent used to prepare the phosphor composition are as described below, but are not limited thereto.

상기 바인더 수지로는 셀룰로오스계 수지, 아크릴계 수지 또는 이들의 혼합물이 사용될 수 있다. 상기 셀룰로오스계 수지로는, 예를 들면, 메틸 셀룰로오스, 에틸 셀룰로오스, 프로필 셀룰로오스, 히드록시 메틸 셀룰로오스, 히드록시 에틸 셀룰로오스, 히드록시 프로필 셀룰로오스, 히드록시 에틸 프로필 셀룰로오스, 또는 이들의 혼합물 등이 사용될 수 있다. 상기 아크릴계 수지로는, 예를 들면, 폴리 메틸 메타크릴레이트, 폴리 이소프로필 메타크릴레이트, 폴리 이소부틸 메타크릴레이트, 또는 메틸 메타 아크릴레이트, 에틸 메타 아크릴레이트, 프로필 메타 아크릴레이트, 부틸 메타 아크릴레이트, 헥실 메타 아크릴레이트, 2-에틸 헥실 메타 아크릴레이트, 벤질 메타 아크릴레이트, 디메틸 아미노 에틸 메타 아크릴레이트, 히드록시 에틸 메타 아크릴레이트, 히드록시 프로필 메타 아크릴레이트, 히드록시 부틸 메타 아크릴레이트, 페녹시 2-히드록시 프로필 메타 아크릴레이트, 글리시딜 메타 아크릴레이트, 메틸 아크릴레이트, 에틸 아크릴레이트, 프로필 아크릴레이트, 부틸 아크릴레이트, 헥실 아크릴레이트, 2-에틸 헥실 아크릴레이트, 벤질 아크릴레이트, 디메틸 아미노 에틸 아크릴레이트, 히드록시 에틸 아크릴레이트, 히드록시 프로필 아크릴레이트, 히드록시 부틸 아크릴레이트, 페녹시 2-히드록시 프로필 아크릴레이트, 글리시딜 아크릴레이트 등과 같은 아크릴계 모노머의 공중합체, 또는 이들의 혼합물이 사용될 수 있다. 경우에 따라서, 상기 조성물은 소량의 무기 바인더를 포함할 수도 있다. 바람직하게는, 상기 바인더 수지의 함량은 형광체 조성물에 대하여 약 2 내지 약 8 중량% 정도로 할 수 있다. As the binder resin, a cellulose resin, an acrylic resin, or a mixture thereof may be used. As the cellulose resin, for example, methyl cellulose, ethyl cellulose, propyl cellulose, hydroxy methyl cellulose, hydroxy ethyl cellulose, hydroxy propyl cellulose, hydroxy ethyl propyl cellulose, or a mixture thereof may be used. . As said acrylic resin, For example, poly methyl methacrylate, poly isopropyl methacrylate, poly isobutyl methacrylate, or methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate , Hexyl methacrylate, 2-ethyl hexyl methacrylate, benzyl methacrylate, dimethyl amino ethyl methacrylate, hydroxy ethyl methacrylate, hydroxy propyl methacrylate, hydroxy butyl methacrylate, phenoxy 2 Hydroxy propyl methacrylate, glycidyl methacrylate, methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, hexyl acrylate, 2-ethyl hexyl acrylate, benzyl acrylate, dimethyl amino ethyl acrylic Latex, hydroxyethyl Copolymers of acrylic monomers such as acrylates, hydroxy propyl acrylates, hydroxy butyl acrylates, phenoxy 2-hydroxy propyl acrylates, glycidyl acrylates, and the like, or mixtures thereof can be used. In some cases, the composition may comprise a small amount of inorganic binder. Preferably, the content of the binder resin may be about 2 to about 8% by weight based on the phosphor composition.

상기 용매로는 알콜계, 에테르계, 에스테르계 또는 이들의 혼합물 등이 사용될 수 있으며, 더욱 바람직하게는 부틸 셀로솔브(butyl cellosolve; BC), 부틸 카르비톨 아세테이트(butyl carbitol acetate; BCA), 테르피네올(terpineol) 또는 이들의 혼합물 등이 사용될 수 있다. 상기 용매의 함량이 너무 높거나 너무 낮으면 상기 조성물의 유동특성이 적절치 못하여 녹색 형광체층을 형성하는 공정이 용이하지 않게 될 수 있다. 이러한 점을 고려하여 상기 용매의 함량은 형광체 조성물에 대하여 약 25 내지 약 75 중량% 정도로 할 수 있다. Alcohol, ether, ester or a mixture thereof may be used as the solvent, more preferably butyl cellosolve (BC), butyl carbitol acetate (BCA), terpine Terpineol or mixtures thereof may be used. If the content of the solvent is too high or too low, the flow characteristics of the composition is not appropriate, the process of forming a green phosphor layer may not be easy. In consideration of this point, the content of the solvent may be about 25 to about 75 wt% based on the phosphor composition.

상기 형광체 조성물은 유동특성, 공정특성 등을 향상시키기 위하여 기타 첨가제를 더 포함할 수 있다. 상기 첨가제로는, 예를 들면, 벤조페논 등과 같은 광증감제, 분산제, 실리콘계의 소포제, 평활제, 가소제, 산화방지제 등과 같은 다양한 첨가제가 단독, 또는 조합으로 사용될 수 있으며, 이들은 모두 당해 기술분야에서 통상의 지식을 가진 자가 상업적으로 입수할 수 있다.The phosphor composition may further include other additives to improve flow characteristics, process characteristics, and the like. As the additive, for example, various additives such as a photosensitizer, a dispersant, a silicone-based antifoaming agent, a leveling agent, a plasticizer, an antioxidant, and the like may be used alone or in combination, all of which are used in the art. One of ordinary skill can obtain it commercially.

본 발명의 적색 형광체층은 (Y,Gd)BO3:Eu, Y(V,P)O4:Eu, (Y,Gd)2O3:Eu, Y2O3:Eu 및 이들의 조합으로 이루어진 군에서 선택되는 적색 형광체를 포함하며, 상기 청색 형광체층은 BaMgAl10O17:Eu, CaMgSi2O6:Eu, CaWO4:Pb, Y2SiO5:Eu 및 이들의 조합으로 이루어진 군에서 선택되는 청색 형광체를 포함한다. 적색 형광체층 및 청색 형광체층을 형성하는 공정은 상술한 녹색 형광체층을 형성하는 공정과 동일하므로 이에 대한 자세한 설명은 생략하기로 한다.The red phosphor layer of the present invention comprises (Y, Gd) BO 3 : Eu, Y (V, P) O 4 : Eu, (Y, Gd) 2 O 3 : Eu, Y 2 O 3 : Eu and combinations thereof It comprises a red phosphor selected from the group consisting of, the blue phosphor layer is selected from the group consisting of BaMgAl 10 O 17 : Eu, CaMgSi 2 O 6 : Eu, CaWO 4 : Pb, Y 2 SiO 5 : Eu and combinations thereof. It includes a blue phosphor. Since the process of forming the red phosphor layer and the blue phosphor layer is the same as the process of forming the green phosphor layer described above, a detailed description thereof will be omitted.

또한, 본 발명의 녹색 형광체를 사용하는 플라즈마 디스플레이 패널의 일 예를 도 1에 나타내었으나, 본 발명의 플라즈마 디스플레이 패널 구조가 도 1에 한정되는 것은 아니며, 모든 구조의 플라즈마 디스플레이 패널에 적용 될 수 있음은 당연한 일이다.In addition, although an example of a plasma display panel using the green phosphor of the present invention is shown in FIG. 1, the structure of the plasma display panel of the present invention is not limited to FIG. Is a matter of course.

도 1은 본 발명의 제 1 실시예에 따른 플라즈마 디스플레이 패널을 도시한 부분 분해 사시도이다.1 is a partially exploded perspective view showing a plasma display panel according to a first embodiment of the present invention.

도 1에 나타낸 것과 같이, 본 발명의 플라즈마 디스플레이 패널은 임의의 간 격을 두고 실질적으로 평행하게 배치되는 제1 기판(1, 배면 기판) 및 제2 기판(11, 전면 기판)을 포함한다.As shown in FIG. 1, the plasma display panel of the present invention includes a first substrate 1 (rear substrate) and a second substrate 11 (front substrate) disposed substantially parallel to each other at arbitrary intervals.

상기 제1 기판(1, 배면 기판) 상에 일방향(도면의 Y 방향)을 따라 복수의 어드레스 전극들(3)이 형성되고, 이 어드레스 전극들(3)을 덮으면서 제1 기판(1)에 제1 유전체층(5)이 형성된다. 상기 제1 유전체층(5) 위로 각 어드레스 전극(3) 사이로 소정의 높이로 제공되며 방전 공간을 형성하는 복수의 격벽(7)이 형성되며, 상기 격벽(7)은 필요에 따라 개방형 또는 폐쇄형으로 형성될 수 있다. 각각의 격벽(7) 사이에 적(R), 녹(G), 청(B)색의 형광체층(9)이 위치한다. 이때, 녹색 형광체층은 본 발명의 녹색 형광체를 포함한다. 그리고, 제1 기판(1)에 대향하는 제2 기판(11, 전면 기판)의 일면에는 어드레스 전극(3)과 교차하는 방향으로 한 쌍의 투명 전극(13a)과 버스 전극(13b)로 구성되는 표시 전극들(13)이 형성되고, 상기 표시 전극들(13)을 덮으면서 제2 기판(11) 전체에 유전체층(15)과 이 유전체층(15) 위에 보호막(17)이 위치한다.A plurality of address electrodes 3 are formed on the first substrate 1 (back substrate) along one direction (Y direction in the drawing), and cover the address electrodes 3 to the first substrate 1. The first dielectric layer 5 is formed. A plurality of barrier ribs 7 are formed on the first dielectric layer 5 between the address electrodes 3 at predetermined heights and form a discharge space. The barrier ribs 7 may be open or closed as necessary. Can be formed. Red, green, and blue (B) phosphor layers 9 are located between the partitions 7. At this time, the green phosphor layer includes the green phosphor of the present invention. One surface of the second substrate 11 (front substrate) facing the first substrate 1 includes a pair of transparent electrodes 13a and bus electrodes 13b in a direction crossing the address electrodes 3. The display electrodes 13 are formed, and the dielectric layer 15 and the passivation layer 17 are disposed on the entirety of the second substrate 11 while covering the display electrodes 13.

이하 본 발명의 바람직한 실시예 및 비교예를 기재한다. 그러나 하기한 실시예는 본 발명의 바람직한 일 실시예일뿐 본 발명이 하기한 실시예에 한정되는 것은 아니다.Hereinafter, preferred examples and comparative examples of the present invention are described. However, the following examples are only preferred embodiments of the present invention and the present invention is not limited to the following examples.

(실시예 1)(Example 1)

부틸 카비톨 아세테이트와 터피네올의 혼합 유기 용매(혼합비 30 : 70 부피비) 54 중량%에 에틸렌 셀룰로오스 수지 6 중량%를 녹이고, 여기에 YAl3(BO3)4:Tb 녹색 형광체 40 중량%를 첨가하여 교반하여 녹색 형광체 조성물을 제조하였다. 이 형광체 조성물을 방전셀에 도포한 후 소성하여 녹색 형광체층이 형성된 플라즈마 디스플레이 패널을 제조하였다.Dissolve 6% by weight of ethylene cellulose resin in 54% by weight of a mixed organic solvent of butyl carbitol acetate and terpineol (mixing ratio 30:70 by volume), and add 40% by weight of YAl 3 (BO 3 ) 4 : Tb green phosphor. And stirred to prepare a green phosphor composition. The phosphor composition was applied to a discharge cell and then fired to prepare a plasma display panel in which a green phosphor layer was formed.

(실시예 2)(Example 2)

(Y0.8Gd0.2)Al3(BO3)4:Tb 녹색 형광체를 사용한 것을 제외하고는 상기 실시예 1과 동일하게 실시하였다.The procedure was the same as in Example 1 except that (Y 0.8 Gd 0.2 ) Al 3 (BO 3 ) 4 : Tb green phosphor was used.

(실시예 3)(Example 3)

Y(Al,Ga)3(BO3)4:Tb 녹색 형광체를 사용한 것을 제외하고는 상기 실시예 1과 동일하게 실시하였다.The same procedure as in Example 1 was carried out except that Y (Al, Ga) 3 (BO 3 ) 4 : Tb green phosphor was used.

(비교예 1)(Comparative Example 1)

Zn2SiO4:Mn 녹색 형광체를 사용한 것을 제외하고는 상기 실시예 1과 동일하게 실시하였다.The same process as in Example 1 was carried out except that Zn 2 SiO 4 : Mn green phosphor was used.

상기 실시예 1 내지 4의 녹색 형광체의 휘도를 측정하여 측정하여, 비교예 1의 녹색 형광체 휘도를 100%로 하였을 때와 비교하여 그 결과를 하기 표 1에 나타내었다. 또한, 상기 실시예 1 내지 4 및 비교예 1의 휘도를 가장 순수한 색을 100%로 기준으로 하였을 때와 비교한 휘도 포화도 결과도 하기 표 1에 함께 나타내었다. The luminance of the green phosphors of Examples 1 to 4 was measured and measured, and the results are shown in Table 1 in comparison with that of the green phosphor of Comparative Example 1 at 100%. In addition, the results of luminance saturation compared to when the luminance of Examples 1 to 4 and Comparative Example 1 were based on the purest color as 100% are also shown in Table 1 below.

상대휘도(%)Relative luminance (%) 휘도포화도 (%)Luminance Saturation (%) 실시예 1Example 1 9595 8686 실시예 2Example 2 105105 9292 실시예 3Example 3 9898 8484 비교예1Comparative Example 1 100100 7777

또한, 상기 실시예 1 내지 3 및 비교예 1의 녹색 형광체의 휘도 포화 상태를 서스테인 펄스 수를 증가시키면서 측정하여 그 결과를 도 2에 나타내었으며, 참조로 기준값도 함께 나타내었다. 도 2에 나타낸 것과 같이, 실시예 1 내지 3의 녹색 형광체가 비교예 1의 형광체에 비하여 기준 포화도에 매우 근접하므로 보다 순수한 색을 나타냄을 알 수 있다.In addition, the luminance saturation state of the green phosphors of Examples 1 to 3 and Comparative Example 1 was measured while increasing the number of sustain pulses, and the results are shown in FIG. As shown in FIG. 2, it can be seen that the green phosphors of Examples 1 to 3 are much closer to the reference saturation than the phosphors of Comparative Example 1, thereby showing a more pure color.

본 발명의 단순한 변형 또는 변경은 모두 이 분야의 통상의 지식을 가진 자에 의하여 용이하게 실시될 수 있으며 이러한 변형이나 변경은 모두 본 발명의 영역에 포함되는 것으로 볼 수 있다.All simple modifications or changes of the present invention can be easily carried out by those skilled in the art, and all such modifications or changes can be seen to be included in the scope of the present invention.

본 발명의 녹색 형광체는 휘도 포화 특성이 개선되었으며 우수한 휘도를 나타낸다.The green phosphor of the present invention has improved luminance saturation characteristics and shows excellent luminance.

Claims (8)

YAl3(BO3)4:Tb, (Y1-xGdx)Al3(BO3)4:Tb(여기에서, 0 < x ≤ 0.4임), Y(Al,Ga)3(BO3)4:Tb 및 이들의 조합으로 이루어진 군에서 선택되는 화합물을 포함하는 플라즈마 디스플레이 패널용 녹색 형광체.YAl 3 (BO 3 ) 4 : Tb, (Y 1-x Gd x ) Al 3 (BO 3 ) 4 : Tb, where 0 <x ≦ 0.4, Y (Al, Ga) 3 (BO 3 ) 4 : green phosphor for a plasma display panel comprising a compound selected from the group consisting of 4 : Tb and combinations thereof. 제1항에 있어서,The method of claim 1, 상기 녹색 형광체는 (Y1-xGdx)Al3(BO3)4:Tb(여기에서, 0 < x ≤ 0.4임)인 플라즈마 디스플레이 패널용 녹색 형광체.The green phosphor is (Y 1-x Gd x ) Al 3 (BO 3 ) 4 : Tb, where 0 <x ≤ 0.4. 제2항에 있어서,The method of claim 2, 상기 녹색 형광체는 (Y1-xGdx)Al3(BO3)4:Tb(여기에서, 0.2 ≤ x ≤ 0.4임)인 플라즈마 디스플레이 패널용 녹색 형광체.Wherein the green phosphor is (Y 1-x Gd x ) Al 3 (BO 3 ) 4 : Tb, where 0.2 ≦ x ≦ 0.4. 적색 형광체층, 녹색 형광체층 및 청색 형광체층을 포함하는 형광체층을 포함하며,A phosphor layer comprising a red phosphor layer, a green phosphor layer, and a blue phosphor layer, 상기 녹색 형광체층은 YAl3(BO3)4:Tb, (Y1-xGdx)Al3(BO3)4:Tb(여기에서, 0 < x ≤ 0.4임), Y(Al,Ga)3(BO3)4:Tb 및 이들의 조합으로 이루어진 군에서 선택되는 녹색 형광체를 포함하는 것인The green phosphor layer is YAl 3 (BO 3 ) 4 : Tb, (Y 1-x Gd x ) Al 3 (BO 3 ) 4 : Tb (where 0 <x ≦ 0.4), Y (Al, Ga) 3 (BO 3 ) 4 : comprising a green phosphor selected from the group consisting of: Tb and combinations thereof 플라즈마 디스플레이 패널.Plasma display panel. 제4항에 있어서,The method of claim 4, wherein 상기 녹색 형광체는 (Y1-xGdx)Al3(BO3)4:Tb(여기에서, 0 < x ≤ 0.4임)인 플라즈마 디스플레이 패널.Wherein the green phosphor is (Y 1 -x Gd x ) Al 3 (BO 3 ) 4 : Tb, wherein 0 <x ≦ 0.4. 제5항에 있어서,The method of claim 5, 상기 녹색 형광체는 (Y1- xGdx)Al3(BO3)4:Tb(여기에서, 0.2 ≤ x ≤ 0.4임)인 플라즈마 디스플레이 패널.The green phosphor is (Y1 - x Gd x) Al 3 (BO 3) 4: Tb ( where, 0.2 ≤ x ≤ 0.4 Im) of the plasma display panel. 제4항에 있어서,The method of claim 4, wherein 상기 적색 형광체층은 (Y,Gd)BO3:Eu, Y(V,P)O4:Eu, (Y,Gd)2O3:Eu, Y2O3:Eu 및 이들의 조합으로 이루어진 군에서 선택되는 적색 형광체를 포함하는 것인 플라즈마 디스플레이 패널.The red phosphor layer is a group consisting of (Y, Gd) BO 3 : Eu, Y (V, P) O 4 : Eu, (Y, Gd) 2 O 3 : Eu, Y 2 O 3 : Eu, and combinations thereof Plasma display panel comprising a red phosphor selected from. 제4항에 있어서,The method of claim 4, wherein 상기 청색 형광체층은 BaMgAl10O17:Eu, CaMgSi2O6:Eu, CaWO4:Pb, Y2SiO5:Eu 및 이들의 조합으로 이루어진 군에서 선택되는 청색 형광체를 포함하는 것인 플라즈마 디스플레이 패널.The blue phosphor layer may include a blue phosphor selected from the group consisting of BaMgAl 10 O 17 : Eu, CaMgSi 2 O 6 : Eu, CaWO 4 : Pb, Y 2 SiO 5 : Eu, and combinations thereof. .
KR1020060099310A 2006-09-20 2006-10-12 Green phosphor for plasma display panel and plasma display panel KR20080033617A (en)

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KR1020060099310A KR20080033617A (en) 2006-10-12 2006-10-12 Green phosphor for plasma display panel and plasma display panel
JP2007231417A JP2008075083A (en) 2006-09-20 2007-09-06 Green fluorescent substance for use in plasma display panel, and plasma display panel utilizing it
US11/901,338 US7919922B2 (en) 2006-09-20 2007-09-17 Green phosphor for plasma display panel and plasma display panel including a phosphor layer formed of the same
EP07116681A EP1903088B1 (en) 2006-09-20 2007-09-18 Green Phosphor and Plasma Display Panel Including the Same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9659206B2 (en) 2012-02-23 2017-05-23 Thales Station for acquiring biometric and biographic data

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9659206B2 (en) 2012-02-23 2017-05-23 Thales Station for acquiring biometric and biographic data

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