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    • 8. 发明申请
    • Light-Emitting Element and Display Device
    • 发光元件和显示设备
    • US20120061653A1
    • 2012-03-15
    • US13229918
    • 2011-09-12
    • Shunpei YamazakiRyoji NomuraSatoshi SeoHiroko AbeYasuo Nakamura
    • Shunpei YamazakiRyoji NomuraSatoshi SeoHiroko AbeYasuo Nakamura
    • H01L51/50
    • H01L33/42H01L27/3209H01L51/5088H01L51/5092H01L51/5278H01L2924/0002H01L2924/00
    • When a light-emitting element having an intermediate conductive layer between a plurality of light-emitting layers is formed, the intermediate conductive layer can have transparency; and thus, materials are largely limited and the manufacturing process of an element becomes complicated by a conventional method. A light-emitting element according to the present invention is formed by sequentially stacking a pixel electrode, a first light-emitting layer, an intermediate conductive layer (including an electron injecting layer and a hole-injecting layer, one of which is island-like), a second light-emitting layer and an opposite electrode. Therefore, the present invention can provide a light-emitting element typified by an organic EL element in which a range of choice of materials that can be used as the intermediate conductive layer is broadened extremely, and which can realize a high light-emitting efficiency, a low power consumption and a high reliability, and further a display device using the light-emitting element.
    • 当形成具有在多个发光层之间的中间导电层的发光元件时,中间导电层可以具有透明性; 因此材料受到很大限制,并且通过常规方法使元件的制造过程变得复杂。 根据本发明的发光元件通过顺序堆叠像素电极,第一发光层,中间导电层(包括电子注入层和空穴注入层,其中之一是岛状的 ),第二发光层和相对电极。 因此,本发明可以提供一种以有机EL元件为代表的发光元件,其中可以用作中间导电层的材料的选择范围极大,可以实现高的发光效率, 低功耗和高可靠性,以及使用该发光元件的显示装置。
    • 9. 发明授权
    • Full color display based on organic light-emitting device
    • 基于有机发光装置的全彩显示
    • US07812520B2
    • 2010-10-12
    • US12213135
    • 2008-06-16
    • Ryoji NomuraHiroko AbeMikio YukawaShunpei Yamazaki
    • Ryoji NomuraHiroko AbeMikio YukawaShunpei Yamazaki
    • H01J63/04H01S5/00
    • H01L27/322H01L27/3244H01L51/5265H01L2251/5315H01L2251/533H01L2251/558
    • The conventional light-emitting element formed by an electroluminescent material has a problem due to poor color purity of light emission. Accordingly, it is an object of the present invention to provide a high luminance and high efficiency light-emitting device formed by an organic compound material. The invention provides a light-emitting device in which an organic compound layer that emits light having an emission peak with a half-band width of at most 10 nm upon applying current is interposed between a pair of electrodes is provided. The variation of emission peak intensity depending on a current density can be sorted by two linear regions with different gradients. A region of a sharp gradient is at a higher current density side compared to a region of a slow gradient. TFTs are provided to each pixel in order to perform active matrix driving.
    • 由电致发光材料形成的常规发光元件由于发光的颜色纯度差而具有问题。 因此,本发明的目的是提供一种由有机化合物材料形成的高亮度和高效率的发光装置。 本发明提供了一种发光装置,其中,在一对电极之间插入有发光的有机化合物层,该有机化合物层在施加电流时具有半波带宽度至多为10nm的发光峰。 根据电流密度的发射峰强度的变化可以通过具有不同梯度的两个线性区域进行分类。 与缓慢梯度的区域相比,锐度梯度的区域处于较高的电流密度侧。 为了进行有源矩阵驱动,向每个像素提供TFT。
    • 10. 发明授权
    • Optical pick-up device
    • 光学拾取装置
    • US07307940B2
    • 2007-12-11
    • US10878497
    • 2004-06-29
    • Ryoji NomuraHiroko AbeMikio YukawaYasuyuki AraiShunpei Yamazaki
    • Ryoji NomuraHiroko AbeMikio YukawaYasuyuki AraiShunpei Yamazaki
    • G11B7/00
    • H01L27/3227G11B7/123G11B7/127H01L27/3244H01L51/5265H01S5/026
    • It is an object of the present invention to provide an optical pick-up device capable of being miniaturized by reducing the number of components. The present invention provides an optical pick-up device including a light-emitting device having an organic compound that emits laser light upon applying current. The light-emitting device interposes an organic compound layer between a pair of electrodes. The organic compound layer, which is a main component, has a layer configuration for emitting a laser beam. In the layer configuration, the thickness of each layer is determined in consideration of the wavelength of laser oscillation. The organic compound layer is composed of a plurality of layers, each of which has different properties such as carrier transportation properties or light-emitting properties. The organic compound layer is preferably formed to have a so-called resonator structure formed via a reflecting layer.
    • 本发明的目的是提供一种能够通过减少部件数目而使其小型化的光学拾取装置。 本发明提供了一种光拾取装置,其包括具有在施加电流时发射激光的有机化合物的发光装置。 发光装置将有机化合物层插入一对电极之间。 作为主要成分的有机化合物层具有发射激光的层结构。 在层构造中,考虑到激光振荡的波长来确定各层的厚度。 有机化合物层由多层构成,各层具有不同的性质,例如载流子传输性或发光性。 有机化合物层优选形成为具有通过反射层形成的所谓的谐振器结构。