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1.发明授权公开(公告)号：US09501969B2
公开(公告)日：2016-11-22
申请号：US13629425
申请日：2012-09-27
Applicant: Samsung Display Co., Ltd.
Inventor： Oh-Jo Kwon , Hak-Sun Kim , Joo-Hyung Lee , Won-Tae Choi , Bo-Yeon Kim
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2330/021 , G09G2330/028
Abstract: There are disclosed a DC-DC converter and an organic light emitting display including the same. The DC-DC converter includes a first voltage generator that has an inductor and a plurality of transistors, and converts an input voltage into a first voltage and outputs the first voltage to a first output terminal. The DC-DC converter also includes a controller that controls driving of the first voltage generator by supplying a first driving pulse to each transistor of the first voltage generator. In the DC-DC converter, the amplitude of the first driving pulse is adjustable. Accordingly, it is possible to provide a DC-DC converter and an organic light emitting display including the same, which can achieve high power conversion efficiency by change a driving pulse used in a DC-DC converter.
Abstract translation: 公开了一种DC-DC转换器和包括该DC-DC转换器的有机发光显示器。 DC-DC转换器包括具有电感器和多个晶体管的第一电压发生器，并将输入电压转换为第一电压，并将第一电压输出到第一输出端子。 DC-DC转换器还包括控制器，其通过向第一电压发生器的每个晶体管提供第一驱动脉冲来控制第一电压发生器的驱动。 在DC-DC转换器中，第一驱动脉冲的幅度是可调的。 因此，可以提供一种DC-DC转换器和包括该DC-DC转换器的有机发光显示器，其可以通过改变DC-DC转换器中使用的驱动脉冲来实现高功率转换效率。
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2.发明申请公开(公告)号：US20140152705A1
公开(公告)日：2014-06-05
申请号：US13912528
申请日：2013-06-07
Applicant: Samsung Display Co., Ltd.
Inventor： Oh-Jo Kwon , Joo-Hyung Lee , Won-Tae Choi
IPC: G09G3/32
CPC classification number: G09G3/3275 , G09G3/2003 , G09G3/3208 , G09G2300/0819 , G09G2310/0262 , G09G2320/0295 , G09G2320/043 , G09G2320/045
Abstract: A pixel array and an organic light emitting display device including the same, can display an image with uniform luminance by compensating for a variation in threshold voltage/mobility of a driving transistor for each pixel and compensating for a change in efficiency due to degradation of an organic light emitting diode. A first pixel among the pixel array includes an organic light emitting diode; a pixel circuit positioned among an anode electrode of the organic light emitting diode, a first scan line and a first data line through which a data signal is supplied to the first pixel, and controlling current flowing in the organic light emitting diode; and a switching element controlling the coupling between a second data line through which a data signal is supplied to a second pixel of the plurality of pixels and the anode electrode of the organic light emitting diode.
Abstract translation: 像素阵列和包括该像素阵列的有机发光显示装置可以通过补偿每个像素的驱动晶体管的阈值电压/迁移率的变化来补偿具有均匀亮度的图像，并补偿由于劣化导致的效率的变化 有机发光二极管。 像素阵列中的第一像素包括有机发光二极管; 位于有机发光二极管的阳极之间的像素电路，第一扫描线和第一数据线，数据信号通过该第一数据线提供给第一像素，并控制在有机发光二极管中流动的电流; 以及开关元件，其控制将数据信号提供给所述多个像素中的第二像素的第二数据线与所述有机发光二极管的所述阳极之间的耦合。
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3.发明申请公开(公告)号：US20140022149A1
公开(公告)日：2014-01-23
申请号：US13629425
申请日：2012-09-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Oh-Jo Kwon , Hak-Sun Kim , Joo-Hyung Lee , Won-Tae Choi , Bo-Yeon Kim
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2330/021 , G09G2330/028
Abstract: There are disclosed a DC-DC converter and an organic light emitting display including the same. The DC-DC converter includes a first voltage generator that has an inductor and a plurality of transistors, and converts an input voltage into a first voltage and outputs the first voltage to a first output terminal. The DC-DC converter also includes a controller that controls driving of the first voltage generator by supplying a first driving pulse to each transistor of the first voltage generator. In the DC-DC converter, the amplitude of the first driving pulse is adjustable. Accordingly, it is possible to provide a DC-DC converter and an organic light emitting display including the same, which can achieve high power conversion efficiency by change a driving pulse used in a DC-DC converter.
Abstract translation: 公开了一种DC-DC转换器和包括该DC-DC转换器的有机发光显示器。 DC-DC转换器包括具有电感器和多个晶体管的第一电压发生器，并将输入电压转换为第一电压，并将第一电压输出到第一输出端子。 DC-DC转换器还包括控制器，其通过向第一电压发生器的每个晶体管提供第一驱动脉冲来控制第一电压发生器的驱动。 在DC-DC转换器中，第一驱动脉冲的幅度是可调的。 因此，可以提供一种DC-DC转换器和包括该DC-DC转换器的有机发光显示器，其可以通过改变DC-DC转换器中使用的驱动脉冲来实现高功率转换效率。
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4.发明授权公开(公告)号：US09595228B2
公开(公告)日：2017-03-14
申请号：US15009707
申请日：2016-01-28
Applicant: Samsung Display Co., Ltd.
Inventor： Oh-Jo Kwon , Joo-Hyung Lee , Won-Tae Choi
CPC classification number: G09G3/3275 , G09G3/2003 , G09G3/3208 , G09G2300/0819 , G09G2310/0262 , G09G2320/0295 , G09G2320/043 , G09G2320/045
Abstract: A pixel array and an organic light emitting display device including the same, can display an image with uniform luminance by compensating for a variation in threshold voltage/mobility of a driving transistor for each pixel and compensating for a change in efficiency due to degradation of an organic light emitting diode. A first pixel among the pixel array includes an organic light emitting diode; a pixel circuit positioned among an anode electrode of the organic light emitting diode, a first scan line and a first data line through which a data signal is supplied to the first pixel, and controlling current flowing in the organic light emitting diode; and a switching element controlling the coupling between a second data line through which a data signal is supplied to a second pixel of the plurality of pixels and the anode electrode of the organic light emitting diode.
Abstract translation: 像素阵列和包括该像素阵列的有机发光显示装置可以通过补偿每个像素的驱动晶体管的阈值电压/迁移率的变化来补偿具有均匀亮度的图像，并补偿由于劣化导致的效率的变化 有机发光二极管。 像素阵列中的第一像素包括有机发光二极管; 位于有机发光二极管的阳极之间的像素电路，第一扫描线和第一数据线，数据信号通过该第一数据线提供给第一像素，并控制在有机发光二极管中流动的电流; 以及开关元件，其控制将数据信号提供给所述多个像素中的第二像素的第二数据线与所述有机发光二极管的所述阳极之间的耦合。
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公开(公告)号：US20160372050A1
公开(公告)日：2016-12-22
申请号：US14983512
申请日：2015-12-29
Inventor： Oh-Jo Kwon , Ji-Woong Kim , Choong-Sun Shin , Joo-Hyung Lee , Jun-Suk Bang , Gyu-Hyeong Cho
IPC: G09G3/3283 , G09G3/20 , G09G3/3233
CPC classification number: G09G3/3283 , G09G3/2007 , G09G3/3233 , G09G3/3291 , G09G2310/027 , G09G2310/0272 , G09G2310/0291 , G09G2310/0294 , G09G2320/0295 , G09G2320/045 , G09G2330/021
Abstract: A data driver includes a data signal converter to convert image data to a data signal, an output buffer to output the data signal to a data line, a first cascode circuit connected to the output buffer and including a plurality of transistors, a first noise attenuator connected to a first node between the output buffer and the first cascode circuit, and to attenuate a first current noise, a second cascode circuit connected to the output buffer and including a plurality of transistors, a second noise attenuator connected a second node between the output buffer and the second cascode circuit, and to attenuate a second current noise, a current integrator to generate an integrated voltage by integrating a first current flowing through the first cascode circuit and a second current flowing through the second cascade circuit, and an analog-digital converter (ADC) to convert the integrated voltage to a digital signal.
Abstract translation: 数据驱动器包括将图像数据转换为数据信号的数据信号转换器，将数据信号输出到数据线的输出缓冲器，连接到输出缓冲器并包括多个晶体管的第一共源共栅电路，第一噪声衰减器 连接到所述输出缓冲器和所述第一共源共栅电路之间的第一节点，并且衰减第一电流噪声，连接到所述输出缓冲器并且包括多个晶体管的第二共源共同电路;第二噪声衰减器，在所述输出 缓冲器和第二共源共栅电路，并且为了衰减第二电流噪声，电流积分器通过积分流过第一共源共栅电路的第一电流和流过第二级联电路的第二电流来产生积分电压，以及模拟数字 转换器（ADC）将集成电压转换为数字信号。
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Patent Agency Ranking
公开(公告)号：US09117405B2
公开(公告)日：2015-08-25
申请号：US13669063
申请日：2012-11-05
Applicant: Samsung Display Co., Ltd.
Inventor： Bo-Yeon Kim , Oh-Jo Kwon , Won-Tae Choi
CPC classification number: G09G3/3225 , G09G2320/0626 , G09G2330/021 , G09G2360/16
Abstract: An organic light emitting device is provided. The organic light emitting device includes an organic light emitting panel, a drive unit receiving image data and image luminance discrimination signal that includes information on a maximum luminance of the image and providing a data voltage corresponding to the image luminance discrimination signal to the organic light emitting panel, and a power supply unit providing a common voltage to the organic light emitting panel. The common voltage is varied to correspond to the image luminance discrimination signal.
Abstract translation: 提供有机发光装置。 有机发光装置包括有机发光面板，接收图像数据的驱动单元和包括关于图像的最大亮度的信息的图像亮度判别信号，并将与图像亮度判别信号相对应的数据电压提供给有机发光 面板，以及向有机发光面板提供公共电压的电源单元。 公共电压被变化以对应于图像亮度判别信号。
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公开(公告)号：US20140253603A1
公开(公告)日：2014-09-11
申请号：US13932982
申请日：2013-07-01
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Oh-Jo Kwon , Won-Tae Choi , Choong-Sun Shin , Jeong-Kyoo Kim
IPC: G09G5/10
CPC classification number: G09G3/3208 , G09G2320/0233 , G09G2320/0285 , G09G2320/045
Abstract: A display device includes: a display including a plurality of pixels; and a controller configured to: receive an external input image signal, adjust the external input image signal to compensate for brightness deviations of the pixels, and transmit corresponding image data signals to the pixels, wherein the controller includes: a data input section configured to receive the external input image signal and transmit a test image data signal to the pixels through a data driver, a luminance information extracting section configured to: extract brightness information for the pixels after displaying a test image in accordance with the test image data signal, and calculate first, second, and third parameters, using the brightness information, and a data compensating section configured to generate the image data signals by adjusting the external input image signal based on the first, second, and third parameters.
Abstract translation: 显示装置包括：显示器，包括多个像素; 以及控制器，被配置为：接收外部输入图像信号，调整外部输入图像信号以补偿像素的亮度偏差，并将相应的图像数据信号发送到像素，其中控制器包括：数据输入部分，被配置为接收 外部输入图像信号，并通过数据驱动器将测试图像数据信号发送到像素;亮度信息提取部，被配置为：根据测试图像数据信号，在显示测试图像之后，提取像素的亮度信息，并计算 第一，第二和第三参数，以及数据补偿部分，被配置为通过基于第一，第二和第三参数调整外部输入图像信号来生成图像数据信号。
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公开(公告)号：US20130342519A1
公开(公告)日：2013-12-26
申请号：US13669063
申请日：2012-11-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Bo-Yeon Kim , Oh-Jo Kwon , Won-Tae Choi
CPC classification number: G09G3/3225 , G09G2320/0626 , G09G2330/021 , G09G2360/16
Abstract: An organic light emitting device is provided. The organic light emitting device includes an organic light emitting panel, a drive unit receiving image data and image luminance discrimination signal that includes information on a maximum luminance of the image and providing a data voltage corresponding to the image luminance discrimination signal to the organic light emitting panel, and a power supply unit providing a common voltage to the organic light emitting panel. The common voltage is varied to correspond to the image luminance discrimination signal.
Abstract translation: 提供有机发光装置。 有机发光装置包括有机发光面板，接收图像数据的驱动单元和包括关于图像的最大亮度的信息的图像亮度判别信号，并将与图像亮度判别信号相对应的数据电压提供给有机发光 面板，以及向有机发光面板提供公共电压的电源单元。 公共电压被变化以对应于图像亮度判别信号。
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公开(公告)号：US09875693B2
公开(公告)日：2018-01-23
申请号：US14983512
申请日：2015-12-29
Inventor： Oh-Jo Kwon , Ji-Woong Kim , Choong-Sun Shin , Joo-Hyung Lee , Jun-Suk Bang , Gyu-Hyeong Cho
IPC: G09G5/00 , G09G3/3283 , G09G3/3233 , G09G3/20
CPC classification number: G09G3/3283 , G09G3/2007 , G09G3/3233 , G09G3/3291 , G09G2310/027 , G09G2310/0272 , G09G2310/0291 , G09G2310/0294 , G09G2320/0295 , G09G2320/045 , G09G2330/021
Abstract: A data driver includes a data signal converter to convert image data to a data signal, an output buffer to output the data signal to a data line, a first cascode circuit connected to the output buffer and including a plurality of transistors, a first noise attenuator connected to a first node between the output buffer and the first cascode circuit, and to attenuate a first current noise, a second cascode circuit connected to the output buffer and including a plurality of transistors, a second noise attenuator connected a second node between the output buffer and the second cascode circuit, and to attenuate a second current noise, a current integrator to generate an integrated voltage by integrating a first current flowing through the first cascode circuit and a second current flowing through the second cascade circuit, and an analog-digital converter (ADC) to convert the integrated voltage to a digital signal.
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公开(公告)号：US09779666B2
公开(公告)日：2017-10-03
申请号：US14518313
申请日：2014-10-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Oh-Jo Kwon , Boo-Dong Kwak , Choong-Sun Shin
IPC: G09G3/3291 , G09G3/3233
CPC classification number: G09G3/3291 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/0233 , G09G2320/0295 , G09G2320/043
Abstract: An organic light emitting display includes a plurality of pixels and a compensation unit. Each of the pixels includes a driving transistor to control an amount of current supplied to a corresponding organic light emitting diode. The compensation unit is coupled to the pixels by data lines and includes at least one sensing unit. The sensing unit extracts threshold voltage information from the pixels corresponding to respective driving transistors. The sensing unit receives noise currents from a plurality of data lines, offset the noise currents, and extracts the threshold voltage information after offset of the noise currents.
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