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    • 4. 发明公开
    • Plasma display device
    • 等离子显示设备
    • EP1510565A3
    • 2005-04-20
    • EP04020430.7
    • 2004-08-27
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Okuyama, KojiroZukawa, TakehiroSakai, MasahiroShiraishi, SeigoSugimoto, KazuhikoAoki, MasakiHibino, Junichi
    • C09K11/68C09K11/67C09K11/80
    • C09K11/595C09K11/7734C09K11/778H01J1/63H01J2211/42
    • A plasma display device is provided in which deterioration in brightness of phosphor layers can be avoided. The plasma display device includes a plasma display panel (100) in which a plurality of discharge cells in one color or in a plurality of colors are arranged and phosphor layers (110B, 110R, 110G) are arranged so as to correspond to the discharge cells in colors and in which light is emitted by exciting the phosphor layers with ultraviolet rays. The phosphor layers include blue phosphor (110B), the blue phosphor (110B) being composed of an alkaline-earth metal aluminate phosphor containing at least one element selected from the group consisting of Mo and W. The addition of hexavalent ions (Mo, W) in the blue phosphor allows the elimination of oxygen defects in the vicinity of a layer containing Ba atoms (Ba-O layer), the suppression of adsorption of water to the surface of the blue phosphor and the improvement of deterioration in brightness and a change in chromaticity for the respective phosphors and discharge characteristics.
    • 提供一种等离子体显示装置,其中可以避免荧光体层的亮度劣化。 等离子体显示装置包括:等离子体显示面板(100),其中布置有一种颜色或多种颜色的多个放电单元,并且荧光体层(110B,110R,110G)被布置为对应于放电单元 通过用紫外线激发荧光层来发射光。 荧光体层包含蓝色荧光体(110B),蓝色荧光体(110B)由含有选自Mo和W的至少一种元素的碱土金属铝酸盐荧光体构成。六价离子(Mo,W )能够消除含Ba原子层(Ba-O层)附近的氧缺陷,抑制水对蓝色荧光体表面的吸附,并且改善亮度劣化和变化 在各自的荧光体的色度和放电特性方面。
    • 5. 发明公开
    • Phosphor and plasma display device
    • 荧光粉和等离子显示设备
    • EP1510566A2
    • 2005-03-02
    • EP04020433.1
    • 2004-08-27
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Okuyama, KojiroZukawa, TakehiroSakai, MasahiroShiraishi, SeigoSugimoto, KazuhikoAoki, MasakiHibino, Junichi
    • C09K11/77
    • C09K11/595C09K11/7734C09K11/778H01J1/63H01J2211/42
    • Phosphor and a plasma display device are provided whose deterioration in brightness of phosphors and a degree of change in chromaticity are alleviated and whose discharge characteristics are improved and that has excellent initial characteristics. Phosphor of the present invention is an alkaline-earth metal aluminate phosphor containing an element M (where M denotes at least one type of element selected from the group consisting of Nb, Ta, W and B). In this phosphor, a concentration of M in the vicinity of a surface of the phosphor particles is higher than the average concentration of M in the phosphor particles as a whole. A plasma display device according to the present invention includes a plasma display panel (100) in which a plurality of discharge cells in one color or in a plurality of colors are arranged and phosphor layers (110B, 110R, 110G) are arranged so as to correspond to the discharge cells in colors and in which light is emitted by exciting the phosphor layers with ultraviolet rays. The phosphor layers include blue phosphor (110B), where the afore-mentioned phosphor is used as the blue phosphor (110B).
    • 提供磷光体和等离子体显示装置,其降低了荧光体的亮度和色度变化程度,并且其放电特性得到改善并具有优异的初始特性。 本发明的荧光体是含有元素M(其中M表示选自Nb,Ta,W和B中的至少一种元素)的碱土金属铝酸盐荧光体。 在该荧光体中,荧光体粒子表面附近的M浓度比荧光体粒子整体中的M的平均浓度高。 根据本发明的等离子体显示装置包括:等离子体显示面板(100),其中布置有一种颜色或多种颜色的多个放电单元,并且布置荧光体层(110B,110R,110G)以便 对应于彩色放电单元,并且通过用紫外线激发荧光层来发射光。 荧光层包括蓝色荧光体(110B),其中上述荧光体被用作蓝色荧光体(110B)。
    • 6. 发明公开
    • Plasma display device
    • 等离子Anzeigevorrichtung
    • EP1510565A2
    • 2005-03-02
    • EP04020430.7
    • 2004-08-27
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Okuyama, KojiroZukawa, TakehiroSakai, MasahiroShiraishi, SeigoSugimoto, KazuhikoAoki, MasakiHibino, Junichi
    • C09K11/64
    • C09K11/595C09K11/7734C09K11/778H01J1/63H01J2211/42
    • A plasma display device is provided in which deterioration in brightness of phosphor layers can be avoided. The plasma display device includes a plasma display panel (100) in which a plurality of discharge cells in one color or in a plurality of colors are arranged and phosphor layers (110B, 110R, 110G) are arranged so as to correspond to the discharge cells in colors and in which light is emitted by exciting the phosphor layers with ultraviolet rays. The phosphor layers include blue phosphor (110B), the blue phosphor (110B) being composed of an alkaline-earth metal aluminate phosphor containing at least one element selected from the group consisting of Mo and W. The addition of hexavalent ions (Mo, W) in the blue phosphor allows the elimination of oxygen defects in the vicinity of a layer containing Ba atoms (Ba-O layer), the suppression of adsorption of water to the surface of the blue phosphor and the improvement of deterioration in brightness and a change in chromaticity for the respective phosphors and discharge characteristics.
    • 提供了一种能够避免荧光体层的亮度劣化的等离子体显示装置。 等离子体显示装置包括等离子体显示面板(100),其中布置有多种颜色或多种颜色的多个放电单元,并且配置荧光体层(110B,110R,110G)以对应于放电单元 通过用紫外线激发荧光体层而发出光。 荧光体层包括蓝色荧光体(110B),蓝色荧光体(110B)由含有选自Mo和W中的至少一种元素的碱土金属铝酸盐荧光体构成。添加六价离子(Mo,W )能够消除含有Ba原子(Ba-O层)的层附近的氧缺陷,抑制水对蓝色荧光体的表面的吸附和改善亮度劣化和变化 对于各种荧光体的色度和放电特性。
    • 9. 发明公开
    • Manufacturing method of plasma display panel and plasma display panel
    • 等离子显示面板和等离子显示面板的制造方法
    • EP1310975A2
    • 2003-05-14
    • EP03075263.8
    • 1999-05-11
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Aoki, MasakiIshikura, YasuhisaYamashita, KatsuyoshiFujiwara, ShinyaAkata, Yasuyuki
    • H01J17/04H01J17/49
    • H01J11/12H01J9/02H01J11/38
    • The object of the present invention is to provide a high-intensity, reliable plasma display panel even when the cell structure is fine by resolving the problems such as a low visible light transmittance and low voltage endurance of a dielectric glass layer. The object is realized by forming the dielectric glass layer in the manner given below. A glass paste including a glass powder is applied on the front glass substrate (11) or the back glass substrate (21), according to a screen printing method, a die coating method, a spray coating method, a spin coating method, or a blade coating method, on each of which electrodes have been formed, and the glass powder in the applied glass paste is fired. The average particle diameter of the glass powder is 0.1 to 1.5µm and the maximum particle diameter is equal to or smaller than three times the average particle diameter. Furthermore, 5-30wt% of TiO 2 is added to the glass powder in case the glass powder is included by a glass paste which is applied on the back glass substrate (21). By adding the TiO 2 , the dielectric glass layer (23) on the back glass substrate (21) reflects the light emitted from a phosphor (25) toward the front panel (10).
    • 本发明的目的是通过解决电介质玻璃层的低可见光透射率和低电压耐久性等问题,即使当单元结构很细时,也能提供高强度,可靠的等离子体显示面板。 该目的通过以下面给出的方式形成电介质玻璃层来实现。 根据丝网印刷法,模涂法,喷涂法,旋涂法或者喷涂法,将包含玻璃粉末的玻璃浆料涂布在前玻璃基板(11)或后玻璃基板(21)上 在每个电极上形成电极,并且涂覆玻璃浆料中的玻璃粉末被烧制。 玻璃粉末的平均粒径为0.1〜1.5μm,最大粒径为平均粒径的3倍以下。 此外,在玻璃粉末被涂布在背面玻璃基板(21)上的玻璃糊剂包含的情况下,将5-30wt%的TiO 2添加到玻璃粉末中。 通过添加TiO 2,背面玻璃基板21上的电介质玻璃层23将从荧光体25发出的光向前面板10反射。