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1. 发明专利

JP2001288467A OXIDE COMPOSITE PARTICLE AND METHOD OF ITS MANUFACTURE, FLUORESCENT MATERIAL AND METHOD OF ITS MANUFACTURE, COLOR FILTER AND METHOD OF ITS MANUFACTURE, AND COLOR DISPLAY UNIT 失效
公开(公告)号：JP2001288467A
公开(公告)日：2001-10-16
申请号：JP2000105315
申请日：2000-04-06
申请人： TOSHIBA CORP , KANSAI RES INST
发明人： ITO TAKEO , WASHIYAMA KOJI , KOYAIZU TAKESHI , MAKIHARA HIROSHI , FUKUI TOSHIMI
IPC分类号： B82Y20/00 , B82Y30/00 , B82Y99/00 , C01B13/14 , C01B33/12 , C09C3/06 , C09K11/00 , C09K11/02 , C09K11/08 , C09K11/56 , C09K11/84 , G02B5/20 , G02B5/22 , H01J1/63 , H01J1/74 , H01J11/12 , H01J11/24 , H01J11/26 , H01J11/42 , H01J11/44 , H01J29/18 , H01J29/20 , H01J29/32 , H01J31/12 , H01J11/02
摘要： PROBLEM TO BE SOLVED: To provide a fluorescent material or color filter excellent in optical character, heat resistance, and non-toxicity and never inhibiting irradiation of an ultra-violet ray to a photoresist, and a color display unit good in luminance chromaticity and excellent in luminance and contrast. SOLUTION: This oxide composite particle contains at least a gold minute particle in a oxide particle matrix, or at least a gold minute particle is carried and fixed on the surface of an oxide particle, and adsorbs a visible light of a selective wave length. This fluorescent material has a thin film comprising the oxide composite particle on the surface of the red, etc. fluorescent particle, and it can be obtained by mixing the fluorescent particle in a dispersion of a gold colloid and the oxide composite particle, stirring, then taking out, and drying the precipitated fluorescent particle. This color filter has filter layers formed inside a panel and at least one color filter layer is a thin film of the composite oxide particle.

2. 发明专利

JP2008123956A Image display device 审中-公开
标题翻译：图像显示设备
公开(公告)号：JP2008123956A
公开(公告)日：2008-05-29
申请号：JP2006309175
申请日：2006-11-15
申请人： Canon Inc , Toshiba Corp , キヤノン株式会社 , 株式会社東芝
发明人： YOKOTA MASAHIRO , KOYAIZU TAKESHI , IBUKI HIROAKI
IPC分类号： H01J31/12 , H01J29/28
CPC分类号： H01J31/127 , H01J29/28 , H01J2329/28
摘要： PROBLEM TO BE SOLVED: To suppress effect on brightness, and prevent deterioration in blackness due to reflection of outside light.
SOLUTION: This is an image display device equipped with the rear face substrate 40 and the front face substrate 20 opposed to the rear face substrate. The rear face substrate includes an electron emitting element 41, and the front face substrate is equipped with a light-emitting body 24 which emits light by irradiation of electrons from the electron emitting element and a metal back 25 installed between the electron emitting element and the light-emitting body. The light-emitting body has a first region in which brightness to the maximum value of brightness in the light-emitting body is ≥50% and a second region in which it is less than 50%, and the arithmetic average roughness (Ra) of the metal back in the second region is larger than that (Ra) of the metal back in the first region.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：抑制对亮度的影响，并防止由于外部光的反射引起的黑色的劣化。解决方案：这是一种图像显示装置，其配备有背面基板40和与正面基板相对的正面基板20。背面基板包括电子发射元件41，并且前面基板配备有通过从电子发射元件照射电子而发光的发光体24和安装在电子发射元件与电子发射元件之间的金属背25 发光体。发光体具有第一区域，其中发光体中的亮度的最大值的亮度为≥50％，其中小于50％的第二区域和其中的算术平均粗糙度（Ra）为第二区域中的金属背部大于第一区域中的金属背的厚度（Ra）。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2006073247A Image display device 审中-公开
标题翻译：图像显示设备
公开(公告)号：JP2006073247A
公开(公告)日：2006-03-16
申请号：JP2004252699
申请日：2004-08-31
申请人： Toshiba Corp , 株式会社東芝
发明人： KOYAIZU TAKESHI
IPC分类号： H01J31/12 , H01J29/32 , H01J29/88 , H01J29/92
CPC分类号： H01J31/127 , H01J29/085 , H01J2329/08 , H01J2329/88 , H01J2329/96
摘要： PROBLEM TO BE SOLVED: To provide an image display device, capable of realizing a high creeping withstand voltage by insulating an anode electrode and a ground electrode on a front panel from each other using a simple method. SOLUTION: This image display device is composed by forming a front panel 2 and a rear panel 1 opposite to each other via rectangular frame-like sidewall parts 3 and spacers 10 to bring its inside into a high-vacuum state. The image display device is so structured that the rear panel has a plurality of electron emission elements 8 for emitting electrons; the front panel has the anode electrodes 13 for accelerating electrons from the electron emission elements and the ground electrodes 14; and insulation layers 9, containing fine particles each having a diameter of 1 nm to 10 μm as a main constituent, are formed between the anode electrodes and the ground electrodes. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过使用简单的方法将前面板上的阳极电极和接地电极绝缘来实现高爬电耐受电压的图像显示装置。解决方案：该图像显示装置通过形成通过矩形框状侧壁部分3和间隔件10彼此相对的前面板2和后面板1而使其内部成为高真空状态而构成。图像显示装置的结构使得后面板具有用于发射电子的多个电子发射元件8; 前面板具有用于从电子发射元件和接地电极14加速电子的阳极电极13; 并且在阳极电极和接地电极之间形成包含直径为1nm至10μm的细微粒子作为主要成分的绝缘层9。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005100793A Method for forming metal-backed phosphor screen and image display device 审中-公开
标题翻译：用于形成金属背景荧光屏和图像显示装置的方法
公开(公告)号：JP2005100793A
公开(公告)日：2005-04-14
申请号：JP2003332853
申请日：2003-09-25
申请人： Toshiba Corp , 株式会社東芝
发明人： TABATA HITOSHI , KOYAIZU TAKESHI , TANAKA HAJIME , TSUCHIYA ISAMU , ITO TAKEO
IPC分类号： H01J9/22 , H01J29/28 , H01J29/32 , H01J31/12
摘要： PROBLEM TO BE SOLVED: To provide a method for forming a metal-backed phosphor screen, capable of preventing an electron emitter and a phosphor screen from being damaged or deteriorated due to electric discharge.
SOLUTION: The method for forming metal-backed phosphor screen comprises forming a layer (dissolution or oxidation layer) containing a material for dissolution or oxidation a metal layer in a predetermined area on the phosphor screen, and then forming a metal layer thereon. By performing heating process such as baking, the metal layer located directly over the dissolution or oxidation layer is dissolved and eliminated, or converted into an oxidant with high electricity resistance, thus achieving a metal-backed layer electrically segmented into a predetermined pattern.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够防止电子发射器和荧光屏由于放电而损坏或劣化的形成金属背衬荧光屏的方法。解决方案：用于形成金属背衬荧光屏的方法包括在荧光屏上的预定区域中形成含有用于溶解或氧化金属层的材料的层（溶解或氧化层），然后在其上形成金属层。通过进行烘烤等加热处理，将溶解或氧化层的正上方的金属层溶解消除，或者转化为高电阻的氧化剂，从而实现电分割成规定图案的金属背衬层。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004335346A Image display device 审中-公开
公开(公告)号：JP2004335346A
公开(公告)日：2004-11-25
申请号：JP2003131476
申请日：2003-05-09
申请人： Toshiba Corp , 株式会社東芝
发明人： KOYAIZU TAKESHI , TABATA HITOSHI , TSUCHIYA ISAMU , ITO TAKEO
IPC分类号： H01J29/28 , H01J29/32 , H01J29/94 , H01J31/12
CPC分类号： H01J29/28 , H01J29/327 , H01J29/94 , H01J31/123 , H01J2329/28 , H01J2329/323 , H01J2329/946
摘要： PROBLEM TO BE SOLVED: To provide an image display device like an FED (field emission display) prevented from breakage and deterioration of an electron emitting element or a fluorescent surface by improving the dielectric strength, attaining a display with high brightness and high quality.
SOLUTION: The fluorescent surface of the image display device has a light absorbing layer and a phosphor layer, a metal back layer formed on the phosphor layer having a dividing part, a covering layer with high resistance formed on the dividing part of the metal back layer so as to stride over the metal back layers at both sides, a heat resistant fine particle layer formed on the covering layer, and a getter layer formed on the metal back layer divided by the heat resistant fine particle layer.
COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2004265633A Fluorescent screen with metal back and image display device 审中-公开
公开(公告)号：JP2004265633A
公开(公告)日：2004-09-24
申请号：JP2003043306
申请日：2003-02-20
申请人： Toshiba Corp , 株式会社東芝
发明人： TABATA HITOSHI , KOYAIZU TAKESHI , TSUCHIYA ISAMU , ITO TAKEO
IPC分类号： H01J29/32 , C09K11/77
CPC分类号： H01J29/327 , C09K11/7789
摘要： PROBLEM TO BE SOLVED: To reduce the generation or discharge of gas from a fluorescent screen and prolong a service life of an electron source in a fluorescent screen with a metal back of an image display device such as an FED.
SOLUTION: In the fluorescent screen with the metal back having an optical absorbing layer and a phosphor layer on a face plate inner surface, and having a metal back layer on the phosphor layer, a light absorbing layer includes an oxygen supplying agent in which a reducing metal is added to a metal oxide. The particle diameter of the oxygen supplying agent is preferably 1-10 μm. A phosphor material in which an activator such as Eu is added to a phosphor base containing oxygen such as Y
2 O
2 S may be used as the oxygen supplying agent.
COPYRIGHT: (C)2004,JPO&NCIPI

7. 发明专利

JP2003215327A COLOR FILTER, METHOD FOR PRODUCING THE SAME AND COLOR DISPLAY USING THE SAME 审中-公开
公开(公告)号：JP2003215327A
公开(公告)日：2003-07-30
申请号：JP2002316413
申请日：2002-10-30
申请人： TOSHIBA CORP
发明人： ITO TAKEO , WASHIYAMA KOJI , KOYAIZU TAKESHI , MAKIHARA HIROSHI , FUKUI TOSHIMI
IPC分类号： G02B5/22 , B82Y20/00 , B82Y99/00 , G02B5/20 , H01J29/32 , G02B1/10
摘要： PROBLEM TO BE SOLVED: To provide a color filter which has excellent optical characteristics, heat resistance and non-toxicity and does not hinder irradiation of a photoresist with UV in formation of a phosphor layer or the like. SOLUTION: The color filter has filter layers 5 arranged on the inner face of a light translucent panel 1 in a prescribed pattern, wherein at least a filter layer 5 of one color is composed of a thin film containing fine gold particles, e.g. of 2.5 to 35.0 nm particle diameter dispersed in an oxide matrix. COPYRIGHT: (C)2003,JPO

8. 发明专利

JP2001288466A FLUORESCENT MATERIAL AND METHOD OF ITS MANUFACTURE AND COLOR FILTER AND ITS METHOD OF MANUFACTURE AND COLOR DISPLAY UNIT 失效
公开(公告)号：JP2001288466A
公开(公告)日：2001-10-16
申请号：JP2000105314
申请日：2000-04-06
申请人： TOSHIBA CORP
发明人： ITO TAKEO , WASHIYAMA KOJI , KOYAIZU TAKESHI , MAKIHARA HIROSHI , FUKUI TOSHIMI
IPC分类号： G02B5/20 , B82Y20/00 , C09K11/00 , C09K11/02 , C09K11/08 , C09K11/56 , C09K11/84 , H01J1/63 , H01J1/74 , H01J11/12 , H01J11/24 , H01J11/26 , H01J11/42 , H01J11/44 , H01J29/20 , H01J29/32 , H01J31/12 , H01J11/02
摘要： PROBLEM TO BE SOLVED: To provide a fluorescent material or a color filter excellent in optical character, heat resistance, and toxicity and not inhibiting irradiation of an ultra-violet ray to a photoresist, and a color display unit good in luminance chromaticity and excellent in luminance and contrast. SOLUTION: In this fluorescent material, a coating film 2 being an oxide matrix dispersed with a gold minute particle, is formed as a thin film on the surface of a red, etc., fluorescent particle 1. This fluorescent material can be obtained by mixing the fluorescent particles in a gold colloid dispersion, stirring, then taking out, drying, and sintering the precipitated fluorescent particles. This color filter has filter layers formed inside a panel 3, and at least one color filter layer is a thin film of the oxide matrix dispersed with the gold minute particle.

9. 发明专利

JP2000136382A RED-EMITTING PHOSPHOR FOR CATHODE-RAY TUBE, AND CATHODE- RAY TUBE 失效
公开(公告)号：JP2000136382A
公开(公告)日：2000-05-16
申请号：JP20625399
申请日：1999-07-21
申请人： TOSHIBA CORP , TOSHIBA ELECTRONIC ENG
发明人： TAKEMURA HIROBUMI , SUGANO SATOSHI , YASHIMA HIROYASU , SHIMIZU YOHEI , KOYAIZU TAKESHI , MIKAMI HIROSHI
IPC分类号： H01J29/20 , C09K11/84
摘要： PROBLEM TO BE SOLVED: To improve the fineness of a fluorescent film formed by using a red- emitting phosphor for cathode ray tubes and thus enhance the luminance of the fluorescent film. SOLUTION: This red-emitting phosphor for cathode-ray tubes having a phosphor powder comprises yttrium oxysulfide as a phosphor matrix and has such particle size distribution that the medium-particle-size red-emitting phosphor consists of a 15% or lower fraction having a particle size larger than 4.0 μm, a 75% or higher fraction having a particle size of 4.0 μm or larger and smaller than 8.0 μm, and a 10% or lower fraction having a particle size of 8.0 μm or larger and that the large-particle-size red-emitting phosphor consists of a 20% or less fraction having a particle size smaller than 5.04 μm, a 70% or more fraction having a particle size of 5.04 μm or larger and smaller than 10.079 μm, and a 10% or less fraction having a particle size of 10.079 μm or larger.

10. 发明专利

JP2004263068A Green light emitting fluorescent substance for low voltage/high current density use, and field emission type display unit using the same 审中-公开
公开(公告)号：JP2004263068A
公开(公告)日：2004-09-24
申请号：JP2003054732
申请日：2003-02-28
申请人： Toshiba Corp , Toshiba Electronic Engineering Corp , 東芝電子エンジニアリング株式会社 , 株式会社東芝
发明人： YOKOZAWA NOBUYUKI , ITO TAKEO , KOYAIZU TAKESHI , MATSUURA SUSUMU , YAMAGUCHI KENICHI , TAKENAKA SHIGEO
IPC分类号： C09K11/56 , C09K11/08 , C09K11/54 , C09K11/59 , C09K11/64 , C09K11/77 , C09K11/79 , H01J29/20 , H01J31/12
CPC分类号： C09K11/595 , C09K11/642 , C09K11/7749
摘要： PROBLEM TO BE SOLVED: To increase brightness by modifying luminous color with sufficient chromaticity sustained in a green light emitting fluorescent substance for use with a color display unit such as an FED.
SOLUTION: The green light emitting fluorescent substance for low voltage/high current density use comprises at least one fluorescent substance selected from the group consisting of (a) a zinc silicate fluorescent substance wherein manganese is the activator, (b) a rare earth silicate fluorescent substance wherein terbium is the activator, and (c) a zinc sulfate fluorescent substance with a hexagonal crystal structure wherein copper and aluminum are the activators. The fluorescent substance emits a green light when excited by an electron beam having an acceleration voltage of ≤15 kV and a current density of ≥1 μA/cm
2 , and is suitable for use as a green fluorescent substance for the FED.
COPYRIGHT: (C)2004,JPO&NCIPI

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