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    • 1. 发明专利
    • Organic electroluminescent element, luminaire, and illumination system
    • 有机电致发光元件,发光元件和照明系统
    • JP2014154404A
    • 2014-08-25
    • JP2013023886
    • 2013-02-08
    • Toshiba Corp株式会社東芝
    • SUGI KEIJIKATO HIROMIKAKIZOE HAYATOSAWABE TOMOAKIONO TOMIOENOMOTO SHINTARO
    • H05B33/26F21V23/00F21V23/04F21Y105/00H01L51/50H05B33/08
    • H01L51/5225H01L27/3251H01L27/3258H01L27/3279H01L51/5024H01L51/5088H01L51/5092H01L51/5212H01L51/5228H01L51/5234H01L51/5246H01L51/5271H01L2251/5323H01L2251/5361H05B33/0896
    • PROBLEM TO BE SOLVED: To provide an organic electroluminescent element, a luminaire, and an illumination system having high visibility of a transmission image.SOLUTION: According to an embodiment, an organic electroluminescent element equipped with a first and a second electrode and an organic luminescent layer is provided. The first electrode has a top face. The organic luminescent layer is provided on the top face. The second electrode is provided on the organic luminescent layer and includes a plurality of first and second extension parts. Each of the first extension parts extends in a first direction, and is arranged side by side in a second direction intersecting the first direction. Each of the second extension parts extends in the second direction and is arranged side by side in the first direction. The length in the second direction of the first extension parts is defined as W1, the pitch of each of the first extension parts is defined as P1, the length in the first direction of the second extension parts is defined as W2, and the pitch of each of the second extension parts is defined as P2. W1 and P1 satisfy the relationship W1≤-750(1-W1/P1)(1-W2/P2)+675. W2 and P2 satisfy the relationship W2≤-750(1-W1/P1)(1-W2/P2)+675.
    • 要解决的问题:提供一种有机电致发光元件,照明设备和具有高透射图像可见度的照明系统。解决方案:根据实施例,配备有第一和第二电极的有机电致发光元件和有机发光 提供层。 第一电极具有顶面。 有机发光层设置在顶面上。 第二电极设置在有机发光层上,并且包括多个第一和第二延伸部分。 每个第一延伸部分沿第一方向延伸,并且在与第一方向相交的第二方向上并排布置。 每个第二延伸部分在第二方向上延伸并且在第一方向上并排设置。 将第一延伸部的第二方向的长度定义为W1,将第一延伸部的间距定义为P1,将第二延伸部的第一方向的长度定义为W2,将间距 每个第二延伸部分被定义为P2。 W1和P1满足W1≤-750(1-W1 / P1)(1-W2 / P2)+675的关系。 W2和P2满足W2≤-750(1-W1 / P1)(1-W2 / P2)+675的关系。
    • 4. 发明专利
    • Organic electroluminescent element, display device and lighting system
    • 有机电致发光元件,显示器件和照明系统
    • JP2012204412A
    • 2012-10-22
    • JP2011065040
    • 2011-03-23
    • Toshiba CorpHarison Toshiba Lighting Corpハリソン東芝ライティング株式会社株式会社東芝
    • SAWABE TOMOAKITAKASU ISAOONO TOMIOENOMOTO SHINTAROKANEKO TAKASHIAONO SHINJIRO
    • H01L51/50H05B33/12
    • H01L51/5044H01L51/0052H01L51/0059H01L51/0085H01L51/5004H01L2251/5376
    • PROBLEM TO BE SOLVED: To obtain white light emission with high luminous efficiency in an organic electroluminescent element in which a fluorescent material is used for a blue light emitting layer and a phosphorescent material is used for red and green light emitting layers.SOLUTION: An organic electroluminescent element 10 according to an embodiment comprises: an anode 12 and a cathode 17; a red and green light emitting layer 14a on a side of the anode 12 and a blue light emitting layer 14c on a side of the cathode 17, which are arranged between the anode 12 and the cathode 17; and a spacer layer 14b arranged between the red and green light emitting layer 14a and the blue light emitting layer 14c. The HOMOs for a red phosphorescent material and a green phosphorescent material included in the red and green light emitting layer 14a and the HOMO for a hole transport material constituting the spacer layer 14b are at almost the same energy level. The HOMO-LUMO gap of the hole transport material in the spacer layer 14b is greater than the HOMO-LUMO gap of the blue fluorescent material included in the blue light emitting layer 14c. The spacer layer 14b has a thickness of 3-5 nm.
    • 要解决的问题:为了在红色和绿色发光层中使用荧光材料用于蓝色发光层和磷光材料的有机电致发光元件中获得具有高发光效率的白色发光。 解决方案:根据一个实施方案的有机电致发光元件10包括:阳极12和阴极17; 布置在阳极12和阴极17之间的阳极12侧的红色和绿色发光层14a和阴极17侧的蓝色发光层14c; 以及布置在红色和绿色发光层14a与蓝色发光​​层14c之间的间隔层14b。 包含在红色和绿色发光层14a中的红​​色磷光材料和绿色磷光材料的HOMO和构成间隔层14b的空穴传输材料的HOMO处于几乎相同的能级。 间隔层14b中空穴传输材料的HOMO-LUMO间隙大于包含在蓝色发光层14c中的蓝色荧光材料的HOMO-LUMO间隙。 间隔层14b的厚度为3-5nm。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Display device and driving method of the same
    • 显示装置及其驱动方法
    • JP2010060893A
    • 2010-03-18
    • JP2008227002
    • 2008-09-04
    • Toshiba Corp株式会社東芝
    • KIZAKI YUKIOHASEGAWA TSUTOMUYAMAGUCHI HAJIMENAGATO KAZUSHIMIZUNO SACHITAMIAMAMIYA ISAOONO TOMIO
    • G02F1/15G09G3/20G09G3/38
    • C09K11/06F21K2/08G09G2300/0842G09G2310/0256G09G2320/0233G09G2320/0247G09G2320/043
    • PROBLEM TO BE SOLVED: To provide a display device which enables stable potential control and improves reliability of a pixel part against reduction and unevenness or the like of brightness, and to provide a driving method of the display device.
      SOLUTION: In a light emitting device, a pixel part 10 includes a first substrate 11 and a second substrate 12, a first electrode 13 and a second electrode 14 are provided on the first substrate 11 with a space therebetween, and the first substrate 11 and the second substrate 12 are held by partitioning electrodes 16 so that the substrates face each other with a space therebetween. A light emitting layer 16 to which a light emitting material emitting light through an electrochemical oxidation reaction or reduction reaction is provided between the first substrate 11 and the second substrate 12. When the polarity of a driving voltage applied between electrodes is periodically inverted, a voltage higher than a voltage applied to the light emitting layer 15 with a gray level corresponding to image data is applied.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够进行稳定的电位控制并提高像素部分的可靠性以抵抗亮度的降低和不均匀等的显示装置,并提供显示装置的驱动方法。 解决方案:在发光器件中,像素部分10包括第一衬底11和第二衬底12,在第一衬底11上设置有第一电极13和第二电极14,第一衬底11和第二电极14之间具有空间,第一衬底 基板11和第二基板12由分隔电极16保持,使得基板彼此面对地间隔开。 在第一基板11和第二基板12之间设置有通过电化学氧化反应或还原反应发光的发光材料的发光层16.当在电极之间施加的驱动电压的极性周期性地反转时, 高于施加到具有对应于图像数据的灰度级的发光层15的电压。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Light emitting element and light emitting device using the same
    • 发光元件和使用该发光元件的发光元件
    • JP2005158950A
    • 2005-06-16
    • JP2003394277
    • 2003-11-25
    • Toshiba Corp株式会社東芝
    • YOSHIDA HIROAKISAKUMA HISASHISUZUKI MARIKOONO TOMIOSAKAI TADASHI
    • H01L33/34H01L33/38H01L33/40H01L33/50H01L33/00
    • PROBLEM TO BE SOLVED: To provide a highly efficient light emitting element by making use of the band gap of diamond.
      SOLUTION: The light emitting element comprises a light emitting section having a diamond layer 1, metal electrodes 3a and 3b for supplying electric currents to the light emitting section, and carbon nanotube layers 2a and 2b provided in between the light emitting section and the metal electrodes 3a and 3b. The carbon nanotube layers 2a and 2b are in contact with the diamond layer 1 and are, respectively, in contact with the metal electrodes 3a and 3b. The use of the carbon nanotube based on carbon like diamond enables a high-density implantation of electrons into an extremely small region, and this realizes a highly efficient light emitting element.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过利用金刚石的带隙来提供高效的发光元件。 解决方案:发光元件包括具有金刚石层1的发光部分,用于向发光部分提供电流的金属电极3a和3b以及设置在发光部分和发光部分之间的碳纳米管层2a和2b 金属电极3a和3b。 碳纳米管层2a和2b与金刚石层1接触并分别与金属电极3a和3b接触。 使用基于碳的金刚石的碳纳米管能够将电子的高密度注入到极小的区域,这实现了高效率的发光元件。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Hot cathode and discharge device using it
    • 使用它的热阴极和放电装置
    • JP2005044542A
    • 2005-02-17
    • JP2003200513
    • 2003-07-23
    • Toshiba Corp株式会社東芝
    • SAKUMA HISASHIONO TOMIOSAKAI TADASHISUZUKI MARIKO
    • H01J61/06
    • PROBLEM TO BE SOLVED: To solve the problem that a diamond component drops off from an electrode member; and to improve production yield and durability of a hot cathode discharge device.
      SOLUTION: The discharge device comprises an envelope 10 filled with a gas for discharge, and a hot cathode located in the envelope 10. The hot cathode has coil shape electrodes 11a, 11b, and diamond components 15a, 15b made of diamond, in a shape of a tube, and having an inner diameter of substantially the same size as an outer diameter of the coil shape electrodes 11a, 11b.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:为了解决金刚石成分从电极部件脱落的问题, 并且提高热阴极排出装置的产量和耐久性。 解决方案:放电装置包括填充有用于放电的气体的封套10和位于外壳10中的热阴极。热阴极具有线圈状电极11a,11b和由金刚石制成的金刚石构件15a,15b, 具有与线圈状电极11a,11b的外径大致相同尺寸的内径的管状。 版权所有(C)2005,JPO&NCIPI