公开(公告)号：US20110310137A1

公开(公告)日：2011-12-22

申请号：US13163149

申请日：2011-06-17

申请人： Kenta Kajiyama ,  Takeshi Izumida ,  Naoki Tokuda ,  Hajime Akimoto

发明人： Kenta Kajiyama ,  Takeshi Izumida ,  Naoki Tokuda ,  Hajime Akimoto

IPC分类号： G09G5/10

CPC分类号： G09G3/3225 ,  G09G2300/0861 ,  G09G2310/06 ,  G09G2320/0233 ,  G09G2320/045

摘要： The present invention provides an image display device comprising data lines each supplying a data signal, and a plurality of pixel circuits. Each of the pixel circuits includes a light-emitting element, a capacitor which stores a difference in potential caused by the data signal therein, a drive transistor which has a gate electrode connected to the data line via the capacitor and controls light emission of the light-emitting element based on a difference in potential between the gate electrode and a source electrode thereof, which is generated by a potential supplied by the data line and the potential difference stored in the capacitor, and a variation control switch which causes the difference in potential between the gate and source electrodes of the drive transistor to vary based on the data signal at the turning on thereof and prevents the difference in potential from varying at the turning off thereof.

摘要翻译： 本发明提供一种图像显示装置，包括各自提供数据信号的数据线和多个像素电路。 每个像素电路包括发光元件，存储由其中的数据信号引起的电位差的电容器，驱动晶体管，其具有经由电容器连接到数据线的栅电极并控制光的发光 基于由数据线提供的电位和存储在电容器中的电位差产生的栅电极和源电极之间的电位差的发光元件以及使电位差产生差异的变化控制开关 驱动晶体管的栅极和源极之间的电位根据其导通时的数据信号而变化，并且防止电位差在其截止时变化。

公开(公告)号：US20060066533A1

公开(公告)日：2006-03-30

申请号：US11224954

申请日：2005-09-14

申请人： Toshihiro Sato ,  Hajime Akimoto ,  Naruhiko Kasai ,  Naoki Tokuda

发明人： Toshihiro Sato ,  Hajime Akimoto ,  Naruhiko Kasai ,  Naoki Tokuda

IPC分类号： G09G3/30

CPC分类号： G09G3/20 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2360/16

摘要： A plurality of organic EL elements which are arranged on a display panel lowers the brightness along with a lapse of light emitting time and hence, the power consumption is increased to maintain the brightness. However, the increase of the power consumption shortens a lifetime of the organic EL elements. To overcome this drawback, a power supply circuit which drives the display panel has a function of controlling an electric power supplied to the display panel to a fixed value or less in response to a detection signal from a detection part which detects a cathode current of the organic EL elements.

摘要翻译： 布置在显示面板上的多个有机EL元件随着发光时间的延长而降低亮度，因此增加功耗以保持亮度。 然而，功耗的增加缩短了有机EL元件的寿命。 为了克服这个缺点，驱动显示面板的电源电路具有根据来自检测部分检测到的阴极电流的检测信号，将提供给显示面板的电力控制在一定值以下的功能 有机EL元件。

公开(公告)号：US20100177086A1

公开(公告)日：2010-07-15

申请号：US12685765

申请日：2010-01-12

申请人： Norihiro Nakamura ,  Naoki Tokuda ,  Hajime Akimoto

发明人： Norihiro Nakamura ,  Naoki Tokuda ,  Hajime Akimoto

IPC分类号： G09G5/00 ,  G09G3/30

CPC分类号： G09G3/3258 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0259 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/021

摘要： An image display device for displaying an image by causing a light emitting element contained in each of a plurality of pixels that are arranged in a display area (SA) to emit light includes: power supply paths for supplying electric power to each of a plurality of partial areas, which are created by dividing the display area (SA), independently of other partial areas to make the light emitting element of each pixel that belongs to the partial area emit light; and a power control unit for controlling electric power to be supplied from each of the power supply paths to the associated partial area, and at least some of the partial areas have an area that overlaps with other adjacent partial areas.

摘要翻译： 一种用于通过使包含在显示区域（SA）中的多个像素中的每一个中的发光元件发光的显示图像的图像显示装置包括：用于向多个 独立于其他部分区域划分显示区域（SA）而产生的部分区域，使得属于部分区域的每个像素的发光元件发光; 以及功率控制单元，用于控制从每个电源路径供应到相关联的部分区域的电力，并且至少一些部分区域具有与其他相邻部分区域重叠的区域。

公开(公告)号：US07550918B2

公开(公告)日：2009-06-23

申请号：US10962481

申请日：2004-10-13

申请人： Naoki Tokuda ,  Toshihiro Sato ,  Hajime Akimoto ,  Hiroshi Kageyama

发明人： Naoki Tokuda ,  Toshihiro Sato ,  Hajime Akimoto ,  Hiroshi Kageyama

IPC分类号： H01J1/62

CPC分类号： H01L27/3276 ,  H01L27/326

摘要： The present invention provides an organic EL display device which imparts the flexibility to the pull-around operation of lines. The organic EL display device is characterized in that the display device includes a display part and a display drive circuit which is formed on a periphery of the display part on a surface of a substrate, wherein the display part includes a plurality of pixels driven by the display drive circuit, each one of the pixels is formed of a stacked body which is constituted of at least one electrode, a light emitting layer and another electrode stacked from the substrate side, another electrodes of respective pixels are electrically connected in common, and a conductive layer which is formed on the same layer and is made of the same material as another electrodes is formed on a region other than the display region in a state that the conductive layer is electrically separated from another electrodes.

摘要翻译： 本发明提供一种有机EL显示装置，其具有线路的拉动操作的灵活性。 有机EL显示装置的特征在于，显示装置包括显示部分和显示驱动电路，该显示部分和显示驱动电路形成在基板的表面上的显示部分的周围，其中显示部分包括由 显示驱动电路，每个像素由层叠体形成，该层叠体由至少一个电极，发光层和从基板侧堆叠的另一电极构成，各像素的另一电极共同电连接， 形成在同一层上并且由与其他电极相同的材料制成的导电层在导电层与另一电极电分离的状态下形成在除显示区域之外的区域上。

公开(公告)号：US20090109148A1

公开(公告)日：2009-04-30

申请号：US12289430

申请日：2008-10-28

申请人： Naoki Tokuda ,  Hajime Akimoto

发明人： Naoki Tokuda ,  Hajime Akimoto

IPC分类号： G09G3/30

CPC分类号： H01L27/3265

摘要： A high-definition organic EL display device which enhances utilization efficiency of a space within a pixel is provided. In an organic EL display device in which pixels each of which is constituted of an organic El element are arranged in a matrix array, the pixel includes a pixel circuit which is configured to control an electric current supplied to the organic El element, the pixel circuit includes a capacitance, and the capacitance is arranged on a boundary of the pixels arranged adjacent to each other in a longitudinal direction of the pixels. Further, one electrode which constitutes the capacitance is used in common by the pixels arranged adjacent to each other in the longitudinal direction, and another electrode which constitutes the capacitance is separated between the pixels arranged adjacent to each other in the longitudinal direction.

摘要翻译： 提供了提高像素内的空间的利用效率的高分辨率有机EL显示装置。 在其中由有机EL元件构成的像素被排列成矩阵阵列的有机EL显示装置中，像素包括被配置为控制提供给有机EL元件的电流的像素电路，像素电路 包括电容，并且电容布置在像素的纵向方向上彼此相邻布置的像素的边界上。 此外，构成电容的一个电极由纵向彼此相邻布置的像素共同使用，并且构成电容的另一电极在纵向方向上彼此相邻布置的像素之间分离。

公开(公告)号：US08279203B2

公开(公告)日：2012-10-02

申请号：US11250442

申请日：2005-10-17

申请人： Hajime Akimoto ,  Toshihiro Sato ,  Naoki Tokuda

发明人： Hajime Akimoto ,  Toshihiro Sato ,  Naoki Tokuda

IPC分类号： G09G5/00

CPC分类号： G09G3/3258 ,  G09G3/2007 ,  G09G3/2014 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/043

摘要： An image display device capable of controlling in a differentiated manner the signal-brightness characteristics of natural pictures and those of different image sources, such as texts, in the screen frame is to be provided. The image display device is provided with a display area in which are arrayed a plurality of pixels each having a light-emitting device whose brightness is controlled with an image signal output voltage supplied from a signal voltage output circuit. The display area comprises first and second pixel groups of pixels connected to different drive voltage lines. The display area has a display characteristic that the first pixel group and the second pixel group are substantially equal in emission spectrum and differ in light emission brightness relative to the same image signal voltage supplied from the signal voltage output circuit.

摘要翻译： 提供能够以不同的方式控制自然图像的信号亮度特性和屏幕框中诸如文本的不同图像源的信号亮度特性的图像显示装置。 图像显示装置设置有显示区域，其中排列有多个像素，每个像素具有发光装置，其亮度由从信号电压输出电路提供的图像信号输出电压控制。 显示区域包括连接到不同驱动电压线的像素的第一和第二像素组。 显示区域具有第一像素组和第二像素组在发射光谱中基本相等并且相对于从信号电压输出电路提供的相同图像信号电压的发光亮度不同的显示特性。

公开(公告)号：US20110221791A1

公开(公告)日：2011-09-15

申请号：US13042495

申请日：2011-03-08

申请人： Kenta KAJIYAMA ,  Takeshi Izumida ,  Naoki Tokuda ,  Hajime Akimoto ,  Hiroshi Kageyama ,  Norihiro Nakamura ,  Masami Iseki

发明人： Kenta KAJIYAMA ,  Takeshi Izumida ,  Naoki Tokuda ,  Hajime Akimoto ,  Hiroshi Kageyama ,  Norihiro Nakamura ,  Masami Iseki

IPC分类号： G09G5/10

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/045

摘要： An image display device includes pixel circuits, a power supply line, and a data line for supplying a data signal to the pixel circuits. The pixel circuits each include a light emitting element, a drive transistor for controlling light emission of the light emitting element, a storage capacitor provided between the data line and a gate electrode of the drive transistor, a both-end connection switch for connecting both ends of the storage capacitor to each other, and a current interruption switch for interrupting a path of a current flowing from the power supply line through the both-end connection switch. Before the data signal is supplied to each of the pixel circuits, the both-end connection switch connects the both ends of the storage capacitor to each other, and the current interruption switch is disconnected.

摘要翻译： 图像显示装置包括像素电路，电源线和用于向像素电路提供数据信号的数据线。 像素电路各自包括发光元件，用于控制发光元件的发光的驱动晶体管，设置在数据线和驱动晶体管的栅电极之间的存储电容器，用于连接两端的两端连接开关 的电流中断开关，以及用于中断从电源线通过两端连接开关的电流的路径的电流中断开关。 在将数据信号提供给每个像素电路之前，两端连接开关将存储电容器的两端彼此连接，并且电流中断开关断开。

公开(公告)号：US20060082566A1

公开(公告)日：2006-04-20

申请号：US11250442

申请日：2005-10-17

申请人： Hajime Akimoto ,  Toshihiro Sato ,  Naoki Tokuda

发明人： Hajime Akimoto ,  Toshihiro Sato ,  Naoki Tokuda

IPC分类号： G09G5/00

CPC分类号： G09G3/3258 ,  G09G3/2007 ,  G09G3/2014 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/043

摘要： An image display device capable of controlling in a differentiated manner the signal-brightness characteristics of natural pictures and those of different image sources, such as texts, in the screen frame is to be provided. The image display device is provided with a display area in which are arrayed a plurality of pixels each having a light-emitting device whose brightness is controlled with an image signal output voltage supplied from a signal voltage output circuit. The display area comprises first and second pixel groups of pixels connected to different drive voltage lines. The display area has a display characteristic that the first pixel group and the second pixel group are substantially equal in emission spectrum and differ in light emission brightness relative to the same image signal voltage supplied from the signal voltage output circuit.

摘要翻译： 提供能够以不同的方式控制自然图像的信号亮度特性和屏幕框中诸如文本的不同图像源的信号亮度特性的图像显示装置。 图像显示装置设置有显示区域，其中排列有多个像素，每个像素具有发光装置，其亮度由从信号电压输出电路提供的图像信号输出电压控制。 显示区域包括连接到不同驱动电压线的像素的第一和第二像素组。 显示区域具有第一像素组和第二像素组在发射光谱中基本相等并且相对于从信号电压输出电路提供的相同图像信号电压的发光亮度不同的显示特性。

公开(公告)号：US20050082969A1

公开(公告)日：2005-04-21

申请号：US10962481

申请日：2004-10-13

申请人： Naoki Tokuda ,  Toshihiro Sato ,  Hajime Akimoto ,  Hiroshi Kageyama

发明人： Naoki Tokuda ,  Toshihiro Sato ,  Hajime Akimoto ,  Hiroshi Kageyama

IPC分类号： H01L51/50 ,  G09F9/30 ,  H01L27/32 ,  H05B33/00 ,  H05B33/14

CPC分类号： H01L27/3276 ,  H01L27/326

摘要： The present invention provides an organic EL display device which imparts the flexibility to the pull-around operation of lines. The organic EL display device is characterized in that the display device includes a display part and a display drive circuit which is formed on a periphery of the display part on a surface of a substrate, wherein the display part includes a plurality of pixels driven by the display drive circuit, each one of the pixels is formed of a stacked body which is constituted of at least one electrode, a light emitting layer and another electrode stacked from the substrate side, another electrodes of respective pixels are electrically connected in common, and a conductive layer which is formed on the same layer and is made of the same material as another electrodes is formed on a region other than the display region in a state that the conductive layer is electrically separated from another electrodes.

摘要翻译： 本发明提供一种有机EL显示装置，其具有线路的拉动操作的灵活性。 有机EL显示装置的特征在于，显示装置包括显示部分和显示驱动电路，该显示部分和显示驱动电路形成在基板的表面上的显示部分的周围，其中显示部分包括由 显示驱动电路，每个像素由层叠体形成，该层叠体由至少一个电极，发光层和从基板侧堆叠的另一电极构成，各像素的另一电极共同电连接， 形成在同一层上并且由与其他电极相同的材料制成的导电层在导电层与另一电极电分离的状态下形成在除显示区域之外的区域上。

公开(公告)号：US08384287B2

公开(公告)日：2013-02-26

申请号：US12289430

申请日：2008-10-28

申请人： Naoki Tokuda ,  Hajime Akimoto

发明人： Naoki Tokuda ,  Hajime Akimoto

IPC分类号： H01L51/50 ,  H01L51/52

CPC分类号： H01L27/3265

摘要： A high-definition organic EL display device which enhances utilization efficiency of a space within a pixel is provided. In an organic EL display device in which pixels each of which is constituted of an organic El element are arranged in a matrix array, the pixel includes a pixel circuit which is configured to control an electric current supplied to the organic El element, the pixel circuit includes a capacitance, and the capacitance is arranged on a boundary of the pixels arranged adjacent to each other in a longitudinal direction of the pixels. Further, one electrode which constitutes the capacitance is used in common by the pixels arranged adjacent to each other in the longitudinal direction, and another electrode which constitutes the capacitance is separated between the pixels arranged adjacent to each other in the longitudinal direction.