Phosphor and its production process
    1.
    发明申请
    Phosphor and its production process 失效
    荧光粉及其生产工艺

    公开(公告)号:US20040144956A1

    公开(公告)日:2004-07-29

    申请号:US10701449

    申请日:2003-11-06

    IPC分类号: C09K011/08 C09K011/54

    CPC分类号: C09K11/08

    摘要: The present invention is to provide a phosphor of minimum particle size having an excellent crystallinity and a high brightness higher than conventional crude particles, which is usable for a highly precise display, a highly bright illuminating element or illuminating apparatus, a high speed immunoassay system or the like, i.e. a phosphor having a substantially spherical outer shape, which comprises primary particles having a median diameter D50 in a range of from 0.05 nullm to 1 nullm and secondary particles having a median diameter D50 in a range of from 0.1 nullm to 2 nullm, wherein at least 50 vol % of the total secondary particles has an aspect ratio of at least 0.8 and an internal quantum efficiency is in a range of from 0.8 to 1.

    Phosphor and its production process
    2.
    发明申请
    Phosphor and its production process 失效
    荧光粉及其生产工艺

    公开(公告)号:US20030094596A1

    公开(公告)日:2003-05-22

    申请号:US10325826

    申请日:2002-12-23

    IPC分类号: C09K011/08

    CPC分类号: C09K11/08

    摘要: A process for producing fine phosphor particles having a high crystallinity, having a small amount of aggregated particles and comprising fine particles, thus capable of forming a homogeneous and dense high brightness fluorescent layer when applied to e.g. a cathode ray tube, a fluorescent lamp or PDP, and having a high purity, a uniform chemical composition and excellent emission properties, at a low cost, is provided. A process for producing a phosphor, which comprises heating droplets of a solution containing metal elements constituting the phosphor to carry out pyrolysis to obtain the phosphor, wherein the above heating is carried out in the coexistence of an additive comprising a metal or a metal compound to carry out the pyrolysis at an average crystal growth rate of at least 0.002 nullm3/sec.

    摘要翻译: 一种生产具有高结晶度的细磷光体颗粒的方法,具有少量的聚集颗粒并且包含细颗粒,因此当应用于例如荧光体颗粒时能够形成均匀且致密的高亮度荧光层。 阴极射线管,荧光灯或PDP,并且具有高纯度,均匀的化学组成和优异的发射特性。 一种荧光体的制造方法,其特征在于,包括加热含有构成所述荧光体的金属元素的溶液的液滴,进行热分解以获得所述荧光体,其中上述加热是在包含金属或金属化合物的添加剂共存的情况下进行的 以至少0.002mum3 / sec的平均晶体生长速率进行热解。

    Phosphor, light emitting device using phosphor, and display and lighting system using light emitting device
    5.
    发明申请
    Phosphor, light emitting device using phosphor, and display and lighting system using light emitting device 有权
    荧光体,使用荧光体的发光装置以及使用发光装置的显示和照明系统

    公开(公告)号:US20040251809A1

    公开(公告)日:2004-12-16

    申请号:US10776339

    申请日:2004-02-12

    IPC分类号: H01J001/62 H01J063/04

    摘要: A phosphor (A) comprising a host material composed of a compound having a garnet crystal structure represented by the general formula (I): M1aM2bM3cOdnullnull(I) (wherein M1 is a divalent metal element, M2 is a trivalent metal element, M3 is a tetravalent metal element containing at least Si, a is the number of 2.7 to 3.3, b is the number of 1.8 to 2.2, c is the number of 2.7 to 3.3, and d is the number of 11.0 to 13.0), and a luminescent center ion incorporated in the host material; a light emitting device (B) comprising the phosphor as a wavelength conversion material and a semiconductor light emitting element capable of emitting a light in the range of from ultraviolet light to visible light; and a display (C) and a lighting system (D) using the light emitting device (B) as a light source. The above phosphor can be readily produced, and can provide a light emitting device having a high color rendering property.

    摘要翻译: 包含由具有由通式(I)表示的石榴石晶体结构的化合物构成的主体材料的荧光体(A):M 1 a M b M 3 c O d(I)(其中M 1为 二价金属元素M 2是三价金属元素,M 3是至少含有Si的四价金属元素,a是2.7〜3.3的数量,b是1.8〜2.2的数量,c是 数量为2.7〜3.3,d为11.0〜13.0的数量),发光中心离子结合在主体材料中; 包括作为波长转换材料的荧光体的发光器件(B)和能够发射从紫外光到可见光的范围内的光的半导体发光元件; 以及使用发光装置(B)作为光源的显示器(C)和照明系统(D)。 可以容易地制造上述荧光体,并且可以提供具有高显色性能的发光器件。

    Color liquid crystal display devices
    6.
    发明申请
    Color liquid crystal display devices 失效
    彩色液晶显示装置

    公开(公告)号:US20040218115A1

    公开(公告)日:2004-11-04

    申请号:US10856803

    申请日:2004-06-01

    IPC分类号: G02F001/1335

    摘要: There are provided color liquid crystal display devices with high color purity of NTSC percentage of at least 80%. A color liquid crystal display device comprises a combination of light shutters utilizing a liquid crystal 7, a color filter 9 having color elements of at least three colors of red, green and blue corresponding to the light shutters, and a backlight 1, 2 for transmission illumination. Under the following definitions: TG(nulln) represents a spectral transmittance at a wavelength nulln nm (a wavelength at every 5 nm in the visible light region of from 380 to 780 nm) by a green pixel of the color filter 9; and I(nulln) a relative emission intensity, normalized by a total emission intensity, at a wavelength nulln nm from the backlight, these satisfy the following conditions (1) to (3): (1) at one wavelength in 500 nm 0.01; (2) in a wavelength region of 610 nm

    摘要翻译: 提供了具有至少80%的NTSC百分比的高色纯度的彩色液晶显示装置。 一种彩色液晶显示装置,包括利用液晶7的光闸组合,具有与光闸相对应的红色,绿色和蓝色至少三种颜色的彩色元件的滤色器9和用于传输的背光1,2 照明。 在以下定义下:T (lambdan)表示滤色器9的绿色像素在波长兰波纳(380nm至780nm的可见光区域每5nm的波长)下的光谱透射率; 和I(lambdan)在距离背光的波兰兰波兰nm处以总发光强度归一化的相对发射强度,满足以下条件(1)至(3):(1)在500nm的一个波长 0.01; (2)在610nm