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131. 发明授权

US08766881B2 Organic EL display device 有权
标题翻译：有机EL显示装置
公开(公告)号：US08766881B2
公开(公告)日：2014-07-01
申请号：US12078687
申请日：2008-04-03
申请人： Masamitsu Furuie , Hajime Akimoto
发明人： Masamitsu Furuie , Hajime Akimoto
IPC分类号： G09G3/30
CPC分类号： H01L27/326 , G09G3/3233 , G09G2300/0465 , G09G2300/0842 , G09G2310/0224 , G09G2330/02
摘要： The present invention allows an organic EL display device to perform display with high definition by reducing an area of each pixel forming a display region of the display device. A drive TFT for driving an organic EL element, a storage capacitance connected with a gate of the drive TFT, and a switching TFT connected to a scanning line are used in common by pixels arranged adjacent to each other in the lateral direction and hence, areas occupied by these circuit elements per one pixel can be reduced whereby the pixel can be made small. Further, a data line for supplying a video signal and a power source line for supplying an electric current to the organic EL elements can be used in common by the pixels arranged adjacent to each other and hence, the number of data lines and the number of power source lines can be halved thus reducing an area of the pixel. Due to such a constitution, the present invention acquires an organic EL display device capable of performing display with high definition.
摘要翻译：本发明允许有机EL显示装置通过减少形成显示装置的显示区域的每个像素的面积来进行高清晰度的显示。用于驱动有机EL元件的驱动TFT，与驱动TFT的栅极连接的存储电容和连接到扫描线的开关TFT被共同地用于沿横向彼此相邻布置的像素，因此，可以减少由每个像素的这些电路元件占据的像素，从而可以使像素小。此外，用于提供视频信号的数据线和用于向有机EL元件提供电流的电源线可以被彼此相邻布置的像素共同使用，因此数据线的数量和数量电源线可以减半，从而减少像素的面积。由于这样的结构，本发明获得能够以高清晰度进行显示的有机EL显示装置。

132. 发明申请

US20120293564A1 DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF 有权
标题翻译：显示装置及其制造方法
公开(公告)号：US20120293564A1
公开(公告)日：2012-11-22
申请号：US13470456
申请日：2012-05-14
申请人： Kenta KAJIYAMA , Hajime Akimoto
发明人： Kenta KAJIYAMA , Hajime Akimoto
IPC分类号： G09G5/10
CPC分类号： G09G3/2003 , G09G3/2022 , G09G2310/0235 , G09G2310/024 , G09G2320/0242 , G09G2320/0261 , G09G2320/0266 , G09G2340/06
摘要： Provided are a display device that can suppress occurrence of a color breakup as well as occurrence of a false contour, and a control method therefor. In the display device, a plurality of sub-frame periods forming one frame period are divided into: a first group to which sub-frame periods with the same length of light transmission periods belong; and a second group to which sub-frame periods with lengths of light transmission periods shorter than those of the sub-frame periods in the first group and different from each other belong. Further, among the sub-frame periods that belong to the first group, sub-frame periods having the light transmission period increase in number from a middle of the one frame period toward a start point and an end point of the one frame period in accordance with an increase of the gray level.
摘要翻译：提供了能够抑制颜色分解的发生以及假轮廓的发生的显示装置及其控制方法。在显示装置中，形成一个帧周期的多个子帧周期被划分为具有相同长度的光传输周期所属的子帧周期的第一组; 以及第二组，其中具有比第一组中的子帧周期短的光发送周期的长度的子帧周期属于彼此不同的子帧周期。此外，在属于第一组的子帧周期中，具有从一个帧周期的中间到开始点的数量的光发送周期的子帧周期和根据一帧周期的结束点的子帧周期随着灰度的增加。

133. 发明申请

US20120139969A1 IMAGE DISPLAY DEVICE 审中-公开
标题翻译：图像显示设备
公开(公告)号：US20120139969A1
公开(公告)日：2012-06-07
申请号：US13308620
申请日：2011-12-01
申请人： Junichi YOKOYAMA , Masahisa Tsukahara , Hajime Akimoto
发明人： Junichi YOKOYAMA , Masahisa Tsukahara , Hajime Akimoto
IPC分类号： G09G5/10
CPC分类号： G09G3/3233 , G09G2300/0819 , G09G2300/0833 , G09G2320/0233 , G09G2330/028
摘要： An image display device includes plural pixel circuits each of which includes a light emitting element where an amount of light emission changes corresponding to an amount of current and a drive transistor which controls the amount of current which flows to the light emitting element based on a display signal, a data line drive circuit which supplies a display signal to the plural pixel circuits respectively based on image data, a power source part which outputs a light-emitting potential, and a current amount prediction part which calculates an amount of current which flows to the plural pixel circuits from the power source part based on the image data. The power source part performs a control for suppressing fluctuation of the light-emitting potential based on the calculated amount of current and the outputted light-emitting potential.
摘要翻译：图像显示装置包括多个像素电路，每个像素电路包括发光元件，其中发光量对应于电流量变化;以及驱动晶体管，其基于显示来控制流向发光元件的电流量信号，分别基于图像数据向多个像素电路提供显示信号的数据线驱动电路，输出发光电位的电源部，以及计算流过的电流量的电流量预测部基于图像数据从电源部分的多个像素电路。电源部基于计算出的电流量和输出的发光电位进行抑制发光电位的波动的控制。

134. 发明授权

US08085225B2 Image display apparatus 有权
标题翻译：图像显示装置
公开(公告)号：US08085225B2
公开(公告)日：2011-12-27
申请号：US12005317
申请日：2007-12-27
申请人： Tohru Kohno , Mitsuhide Miyamoto , Hajime Akimoto
发明人： Tohru Kohno , Mitsuhide Miyamoto , Hajime Akimoto
IPC分类号： G09G3/30
CPC分类号： G09G3/3291 , G09G3/3233 , G09G3/3266 , G09G2300/0819 , G09G2300/0861 , G09G2310/0216 , G09G2310/0251 , G09G2310/0297 , G09G2310/066 , G09G2320/043
摘要： In organic EL display apparatuses, when the reset operating time required for compensating variations in the OLED drive TFT voltage threshold is too short then fluctuations in the threshold voltage Vth cannot be corrected and an accurate gray scale is impossible. A precharge voltage is supplied from the precharge TFT switch prior to the reset TFT switch and the light TFT switch resetting the Vth of the OLED driver TFT, in order to apply a specified voltage value to the gate voltage of the OLED driver TFT prior to reset. The voltage potential on the gate of the OLED driver TFT prior to reset is therefore no longer an undetermined voltage potential so variations in the gate voltage after reset are suppressed and variations in the gray scale are suppressed.
摘要翻译：在有机EL显示装置中，当用于补偿OLED驱动TFT电压阈值的变化所需的复位操作时间太短时，不能校正阈值电压Vth的波动，并且不可能准确的灰度级。在复位TFT开关之前，从预充电TFT开关提供预充电电压，并且TFT TFT开关重新设置OLED驱动器TFT的Vth，以便在复位之前对OLED驱动器TFT的栅极电压施加指定的电压值。因此，在复位之前OLED驱动器TFT的栅极上的电压电位不再是未确定的电压电位，因此抑制了复位之后的栅极电压的变化，并且抑制了灰度级的变化。

135. 发明授权

US08063857B2 Image display apparatus 有权
标题翻译：图像显示装置
公开(公告)号：US08063857B2
公开(公告)日：2011-11-22
申请号：US12003373
申请日：2007-12-21
申请人： Tohru Kohno , Mitsuhide Miyamoto , Hajime Akimoto
发明人： Tohru Kohno , Mitsuhide Miyamoto , Hajime Akimoto
IPC分类号： G09G3/30
CPC分类号： G09G3/3233 , G09G3/3283 , G09G2300/0819 , G09G2300/0852 , G09G2310/0251 , G09G2320/0223 , G09G2320/0626
摘要： When an organic EL display apparatus enables display of a standard luminance mode and a high luminance mode, it takes long time to reset the gate potential of the OLED drive TFT to a given value in a standard mode. In the reset operation of the gate potential of an OLED drive TFT at the time of writing an image signal, in a standard mode, a precharge current is allowed to flow in the OLED element for a short period before the reset operation to set an initial value of the gate potential of the OLED drive TFT to be close to a supply potential or a reference potential. With the above operation, the variation of the OLED drive TFT gate potential after resetting is reduced. As a result, the light emitting period during one frame can be extended. Also, since a blanking period can be extended, it is possible to measure the characteristic of the OLED element by using the blanking period.
摘要翻译：当有机EL显示装置能够显示标准亮度模式和高亮度模式时，以标准模式将OLED驱动TFT的栅极电位重置为给定值需要很长时间。在写入图像信号时OLED驱动TFT的栅极电位的复位操作中，在标准模式下，允许预充电电流在复位操作之前在OLED元件中流动一段很短的时间，以设置初始 OLED驱动TFT的栅极电位的值接近电源电位或参考电位。通过上述操作，复位后的OLED驱动TFT栅极电位的变化减小。结果，可以延长一帧期间的发光周期。此外，由于可以延长消隐期，因此可以通过使用消隐期来测量OLED元件的特性。

136. 发明申请

US20110122173A1 DISPLAY DEVICE 有权
标题翻译：显示设备
公开(公告)号：US20110122173A1
公开(公告)日：2011-05-26
申请号：US12951137
申请日：2010-11-22
申请人： Hiroko SEHATA , Hajime Akimoto , Yoshihiro Kotani , Gou Yamamoto
发明人： Hiroko SEHATA , Hajime Akimoto , Yoshihiro Kotani , Gou Yamamoto
IPC分类号： G09G5/10
CPC分类号： G09G3/2092 , G09G3/2007 , G09G3/3208 , G09G2310/0275 , G09G2310/0297 , G09G2330/028
摘要： Provided is a display device having plural data line voltage generation circuits capable of supplying a display control voltage to display elements of a color designated as necessary. The display device includes plural display elements each displaying an image of one color; plural gradation voltage output units provided for each color to output a gradation voltage corresponding to each display gradation value of a gradation number; plural display control voltage supply units connected to each of two or more display elements to supply control voltages corresponding to display data of the display elements to each of the display elements based on the gradation voltages of the gradation number output by any one of the gradation voltage output units; and plural gradation voltage selection units provided to one or each display control voltage supply unit to select the gradation voltage output by any one of the gradation voltage output units.
摘要翻译：提供了一种具有多个数据线电压产生电路的显示装置，能够将显示控制电压提供给必要的指定颜色的显示元件。显示装置包括多个显示单色图像的显示元件; 为每种颜色提供的多个灰度电压输出单元，以输出与渐变编号的每个显示灰度值相对应的灰度电压; 连接到两个或更多个显示元件中的每一个的多个显示控制电压供应单元，用于根据通过灰度电压中的任何一个输出的灰度数的灰度电压将对应于显示元件的显示数据的控制电压提供给每个显示元件输出单位; 以及多个灰度电压选择单元，被提供给一个或每个显示控制电压提供单元，以选择灰度级电压输出单元中的任一个输出的灰度电压。

137. 发明授权

US07932881B2 Image display device and driver circuit therefor 有权
标题翻译：图像显示装置及其驱动电路
公开(公告)号：US07932881B2
公开(公告)日：2011-04-26
申请号：US11544735
申请日：2006-10-10
申请人： Hiroshi Kageyama , Hajime Akimoto
发明人： Hiroshi Kageyama , Hajime Akimoto
IPC分类号： G09G3/30
CPC分类号： G09G3/2014 , G09G3/3258 , G09G2300/0465 , G09G2300/0842 , G09G2310/066 , G09G2330/028
摘要： A waveform generator can be constructed at a small area size using thin-film transistors and generates multiple triangular-wave voltage waveforms different from one another in phase, and an image display device that applies the waveform generator.A waveform generator that uses loop-form resistive wiring is provided on a substrate. The waveform generator supplies a triangular-wave voltage waveform or stepped voltage waveform of a voltage signal occurring in the loop-form resistive wiring to pixel circuits. The loop-form resistive wiring has multiple voltage supply switches that supply at least two kinds of voltages.
摘要翻译：可以使用薄膜晶体管以小面积尺寸构造波形发生器，并且产生相互不同的多个三角波电压波形，以及应用波形发生器的图像显示装置。在基板上设置使用环形电阻布线的波形发生器。波形发生器将出现在环形电阻布线中的电压信号的三角波电压波形或阶梯电压波形提供给像素电路。环形电阻布线具有提供至少两种电压的多个电压源开关。

138. 发明申请

US20100201675A1 IMAGE DISPLAY DEVICE 有权
标题翻译：图像显示设备
公开(公告)号：US20100201675A1
公开(公告)日：2010-08-12
申请号：US12699106
申请日：2010-02-03
申请人： Takahide KURANAGA , Tohru Kohno , Hajime Akimoto , Hiroshi Kageyama
发明人： Takahide KURANAGA , Tohru Kohno , Hajime Akimoto , Hiroshi Kageyama
IPC分类号： G06F3/038
CPC分类号： G09G3/325 , G09G2300/0852 , G09G2300/0861 , G09G2320/045 , G09G2330/045 , H01L27/3244
摘要： Provided is an image display device, which includes: a display area including a plurality of pixels each of which includes a self light-emitting element; and a plurality of signal lines for inputting an image voltage to each of the plurality of pixels, in which: each of the plurality of pixels includes a field-effect transistor for driving the self light-emitting element based on the image voltage which is input through each of the plurality of signal lines to each of the plurality of pixels; the display area is divided into at least two regions including a first region and a second region; and a (channel width-to-channel length) ratio of the field-effect transistor in the first region is smaller than the ratio of any field-effect transistor in the second region.
摘要翻译：提供了一种图像显示装置，其包括：包括多个像素的显示区域，每个像素包括自发光元件; 以及多个用于将图像电压输入到多个像素中的多个信号线，其中：所述多个像素中的每一个包括用于基于所输入的图像电压驱动所述自发光元件的场效应晶体管通过所述多个信号线中的每一个到所述多个像素中的每一个; 显示区域被分成包括第一区域和第二区域的至少两个区域; 并且第一区域中的场效应晶体管的（沟道宽度 - 沟道长度）比小于第二区域中的任何场效应晶体管的比率。

139. 发明申请

US20100177086A1 IMAGE DISPLAY DEVICE 审中-公开
标题翻译：图像显示设备
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。

140. 发明授权

US07550918B2 Display device 有权
标题翻译：显示设备
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。

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