公开(公告)号：US20040206935A1

公开(公告)日：2004-10-21

申请号：US10664923

申请日：2003-09-22

Applicant: TDK CORPORATION ,  NOBORU MIURA

Inventor： Noboru Miura ,  Mitsuhiro Kawanishi ,  Yoshihiko Yano

IPC: B32B009/00 ,  B32B019/00

CPC classification number: C09K11/7789 ,  C09K11/7702 ,  C09K11/7703 ,  C09K11/7786 ,  C23C14/06 ,  Y10S428/917

Abstract: A phosphor thin film includes a matrix material expressed by a composition formula AxByOwSz, and a substance functioning as a luminescence center in the matrix material. In the composition formula, A represents at least one element selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; B represents at least one rare-earth element selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; O represents oxygen atoms; and S represents sulfur atoms, respectively. Molar ratios are respectively set as 0

Abstract translation: 荧光体薄膜包括由组成式AxByOwSz表示的基质材料和用作基质材料中的发光中心的物质。 在组成式中，A表示选自Mg，Ca，Sr，Ba和Zn中的至少一种元素; B表示选自Sc，Y，La，Ce，Pr，Nd，Pm，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb和Lu中的至少一种稀土元素; O表示氧原子; S表示硫原子。 摩尔比分别设定为0

公开(公告)号：US20030184216A1

公开(公告)日：2003-10-02

申请号：US10347441

申请日：2003-01-21

Applicant: TDK CORPORATION

Inventor： Yoshihiko Yano ,  Jun Hirabayashi ,  Katsuto Nagano ,  Mutsuko Nakano

IPC: H05B033/00

CPC classification number: C09K11/7734 ,  C09K11/7731 ,  H05B33/14 ,  Y10S428/917

Abstract: An EL panel for providing a display of three colors, comprising at least EL phosphor thin films of two types for emitting green and blue colors, and a red light emitting portion, the EL phosphor thin films of two types for emitting green and blue colors comprising an alkaline earth sulfide or oxide. The EL panel, especially full color EL panel can produce light of an improved color purity without a need for a RGB patterned filter.

Abstract translation: 一种用于提供三种颜色的显示器的EL面板，至少包括用于发出绿色和蓝色的两种类型的EL荧光体薄膜和红色发光部分，用于发射绿色和蓝色的两种类型的EL荧光体薄膜包括 碱土金属硫化物或氧化物。 EL面板，特别是全彩色EL面板可以产生改善色纯度的光，而不需要RGB图案过滤器。

公开(公告)号：US20020177008A1

公开(公告)日：2002-11-28

申请号：US10012398

申请日：2002-04-29

Applicant: TDK CORPORATION

Inventor： Yukihiko Shirakawa ,  Masashi Miwa ,  Katsuto Nagano ,  Yoshihiko Yano

IPC: H05B033/22

CPC classification number: H05B33/22 ,  H05B33/10 ,  Y10S428/917

Abstract: The invention aims to solve the problem of prior art EL devices that undesirable defects form in dielectric layers, and especially the problems of EL devices having dielectric layers of lead-base dielectric material including a lowering, variation and change with time of the luminance of light emission, and thereby provide an EL device ensuring high display quality without increasing the cost. Such objects are achieved by an EL device comprising at least an electrically insulating substrate 11 and a structure including an electrode layer 12, a dielectric layer 13, 14, 15, a light emitting layer 17 and a transparent electrode layer 19 stacked on the substrate 11, wherein the dielectric layer is a laminate including a first thick-film ceramic high-permittivity dielectric layer 13 whose composition contains at least lead, a second high-lead, layer 14 whose composition contains at least lead, and a third high-permittivity layer 15 whose composition is free of at least lead.

Abstract translation: 本发明的目的在于解决电介质层中形成不良缺陷的现有技术的EL器件的问题，特别是具有包括降低，随着光的亮度随时间的变化的铅基电介质材料的电介质层的EL器件的问题 从而提供一种确保高显示质量而不增加成本的EL器件。 这样的目的是通过至少包括电绝缘基板11和包括层叠在基板11上的电极层12，电介质层13,14,15，发光层17和透明电极层19的结构的EL器件来实现的 其特征在于，所述电介质层是包含至少包含铅的第一厚膜陶瓷高介电常数介电层13，其组成至少包含铅的第二高导电层14和第三高电容率层 15，其组成至少不含铅。

公开(公告)号：US20020060325A1

公开(公告)日：2002-05-23

申请号：US09866691

申请日：2001-05-30

Applicant: TDK CORPORATION

Inventor： Yoshihiko Yano ,  Tomoyuki Oike ,  Yukihiko Shirakawa ,  Katsuto Nagano

IPC: H01L027/15

CPC classification number: C09K11/7731 ,  C09K11/7734 ,  H05B33/14 ,  H05B33/22

Abstract: The invention has for its object to provide an EL phosphor multilayer thin film and EL device which can emit light with improved luminance. This object is achieved by the provision of an EL phosphor multilayer thin film wherein a phosphor thin film and a dielectric thin film are stacked one upon another. The phosphor thin film comprises a matrix material containing as a main component at least one compound selected from an alkaline earth thioaluminate, an alkaline earth thiogallate and an alkaline earth thioindate, and an rare earth element as a luminescent center, and the dielectric thin film comprises an alkaline earth oxide. There is also provided an EL device comprising such an EL phosphor multilayer thin film.

Abstract translation: 本发明的目的是提供一种可以以改进的亮度发光的EL荧光体多层薄膜和EL器件。 该目的通过提供一种EL荧光体多层薄膜来实现，其中磷光体薄膜和电介质薄膜彼此层叠。 荧光体薄膜包含含有选自碱土金属硫铝酸盐，碱土金属硫羟酸盐和碱土金属硫酸盐中的至少一种化合物和作为发光中心的稀土元素作为主要成分的基质材料，所述电介质薄膜包含 碱土金属氧化物。 还提供了包括这种EL荧光体多层薄膜的EL器件。

公开(公告)号：US20030146691A1

公开(公告)日：2003-08-07

申请号：US10358345

申请日：2003-02-05

Applicant: TDK CORPORATION

Inventor： Yoshihiko Yano ,  Tomoyuki Oike ,  Masaki Takahashi ,  Katsuto Nagano

IPC: H05B033/00 ,  H01J001/62

CPC classification number: C09K11/7729 ,  C09K11/773 ,  C09K11/7731 ,  C09K11/7734 ,  C09K11/7789 ,  H05B33/14 ,  Y10S428/917

Abstract: In a phosphor thin film comprising a matrix material and a luminescence center, the matrix material has the compositional formula: MIIvAxByOzSw wherein MII is Zn, Cd or Hg, A is Mg, Ca, Sr, Ba or rare earth element, B is Al, Ga or In, and atomic ratios v, x, y, z and w are 0.005nullvnull5, 1nullxnull5, 1nullynull15, 0

Abstract translation: 在包含基质材料和发光中心的荧光体薄膜中，基质材料具有以下组成式：MIIvAxByOzSw其中MII为Zn，Cd或Hg，A为Mg，Ca，Sr，Ba或稀土元素，B为Al， Ga或In，并且原子比v，x，y，z和w为0.005 <= v <= 5,1 <= x <= 5,1 <= y <= 15,0

公开(公告)号：US20020192501A1

公开(公告)日：2002-12-19

申请号：US10125477

申请日：2002-04-19

Applicant: TDK CORPORATION

Inventor： Yoshihiko Yano ,  Tomoyuki Oike

IPC: H05B033/14 ,  C09K011/08

CPC classification number: C09K11/7734 ,  C09K11/7703 ,  C09K11/7706 ,  C09K11/7731 ,  C09K11/7771 ,  H05B33/14 ,  Y10S428/917

Abstract: The invention provides a phosphor thin film having a high luminance, a satisfactory color purity enough to eliminate a need for filters, and a long luminance life, and best suited for each element of RGB in full color EL panels. The phosphor thin film of the invention comprises a matrix material and a luminescent center. The matrix material is an oxysulfide containing at least an alkaline earth element, Ga and/or In, sulfur (S) and oxygen (O). In the matrix material, the atomic ratio of oxygen to the total of oxygen and sulfur, O/(SnullO), is from 0.1 to 0.85.

Abstract translation: 本发明提供了一种具有高亮度，令人满意的色纯度足以消除对滤色器的需求和长亮度寿命的荧光体薄膜，并且最适合于全彩色EL面板中的RGB元件。 本发明的荧光体薄膜包括基体材料和发光中心。 基质材料是至少含有碱土金属元素Ga和/或In，硫（S）和氧（O）的氧硫化物。 在基体材料中，氧与氧和硫的总和O /（S + O）的原子比为0.1〜0.85。

公开(公告)号：US20020031685A1

公开(公告)日：2002-03-14

申请号：US09866699

申请日：2001-05-30

Applicant: TDK CORPORATION

Inventor： Yoshihiko Yano ,  Katsuto Nagano

IPC: H05B033/14 ,  C09K011/08

CPC classification number: H05B33/14 ,  C09K11/7734 ,  Y10S428/917

Abstract: The invention aims to provide a phosphor thin film eliminating a need for filters, having a satisfactory color purity and useful as the blue color in full-color EL displays, a method for preparing the same and an EL panel. Such objects are achieved by a phosphor thin film formed of a matrix material comprising barium thioaluminate as a main component to which magnesium is added and rare earth element, Eu is added as a luminescent center, a method for preparing the same, and an EL panel using the same.

Abstract translation: 本发明旨在提供一种消除对滤色器的需求的荧光体薄膜，其具有令人满意的色纯度，并且可用作全色EL显示器中的蓝色，其制备方法和EL面板。 这些目的通过由包含硫铝酸钡作为添加镁的主要成分的基质材料和稀土元素Eu作为发光中心而添加的荧光体薄膜，其制备方法和EL面板 使用相同

公开(公告)号：US20020006051A1

公开(公告)日：2002-01-17

申请号：US09866696

申请日：2001-05-30

Applicant: TDK Corporation

Inventor： Yoshihiko Yano ,  Tomoyuki Oike

IPC: G11C013/04

CPC classification number: C09K11/7734 ,  H05B33/14

Abstract: The invention has for its object to provide a phosphor thin film which can dispense with any filter and has satisfactory color purity, is particularly well fit for RGB full-color Els, and simplifies a full-color EL panel production process, thereby providing a phosphor thin film which is less susceptible to luminance variations and can be produced in improved yields and so at lower costs and its fabrication process as well as an EL panel. This is achieved by the provision of a phosphor thin film comprising a matrix material containing as a main component an alkali earth aluminate that is an oxide, with sulfur added to the matrix material, and further containing an element that provides a luminescentce center.

Abstract translation: 本发明的目的是提供一种可以省去任何滤光片并且具有令人满意的色纯度的荧光体薄膜，特别适用于RGB全色Els，并且简化了全色EL面板的制造工艺，从而提供了荧光体 不易受亮度变化影响的薄膜，并且可以以较低的成本和其制造工艺以及EL面板提高产量。 这是通过提供一种荧光体薄膜来实现的，该荧光体薄膜包含基质材料，该基质材料含有作为主要组分的碱土金属铝酸盐，其是氧化物，硫添加到基质材料中，并且还含有提供发光中心的元素。

公开(公告)号：US20040033363A1

公开(公告)日：2004-02-19

申请号：US10394150

申请日：2003-03-24

Applicant: TDK Corporation

Inventor： Yoshihiko Yano ,  Masaki Takahashi ,  Tomoyuki Oike ,  Naruki Kataoka

IPC: B32B009/04

CPC classification number: H05B33/14 ,  C09K11/7729 ,  H05B33/20 ,  Y10T428/31504

Abstract: The present invention aims at realizing a phosphor thin film having a high luminance with a low emission threshold voltage, and an EL element comprising the same. The EL element of the present invention comprises a substrate, and a lower electrode, a lower buffer thin film containing a sulfide such as ZnS, a phosphor thin film containing an oxide such as a gallate as a matrix material, an upper buffer thin film containing a sulfide such as ZnS, and an upper electrode which are successively laminated on the substrate.

Abstract translation: 本发明的目的在于实现具有低发光阈值电压的高亮度的荧光体薄膜和包括该荧光体薄膜的EL元件。 本发明的EL元件包括基板和下电极，含有诸如ZnS的硫化物的下缓冲薄膜，含有诸如没食子酸酯的氧化物的荧光体薄膜作为基体材料，上缓冲薄膜含有 诸如ZnS的硫化物和上电极，其依次层压在基板上。

公开(公告)号：US20030034729A1

公开(公告)日：2003-02-20

申请号：US09969768

申请日：2001-10-04

Applicant: TDK CORPORATION

Inventor： Yoshihiko Yano ,  Tomoyuki Oike

IPC: H05B033/00 ,  H01J001/62

CPC classification number: C09K11/7731 ,  H05B33/14

Abstract: A phosphor thin film made of a matrix material comprising an alkaline earth sulfide and a luminescence center and having a thickness of 50-300 nm emits light, especially red light, of a good color purity at a high luminance and in a good response and enables to produce an EL panel.

Abstract translation: 由包含碱土金属硫化物和发光中心并且具有50-300nm的厚度的基质材料制成的荧光体薄膜在高亮度和良好的响应下发射具有良好色纯度的光，特别是红光，并且使得能够 以生产EL面板。