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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：US09875685B2
公开(公告)日：2018-01-23
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: G09G3/3233 , G09G3/3208
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.
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Patent Agency Ranking
公开(公告)号：US09691329B2
公开(公告)日：2017-06-27
申请号：US13929722
申请日：2013-06-27
Inventor： Oh-Jo Kwon , Won-Tae Choi , Hee-Sun Ahn , Bo-Yeon Kim , Gyu-Hyeong Cho , Hyun-Sik Kim , Jun-Suk Bang
IPC: G09G3/30 , G09G3/3291 , G09G3/3233
CPC classification number: G09G3/3291 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/0295 , G09G2320/045 , G09G2320/0693
Abstract: An organic light emitting display device includes pixels positioned at crossing regions between data lines and scan lines, each of the pixels including an organic light emitting diode, a scan driver configured to supply a scan signal to scan lines, a data driver configured to drive the data lines, wherein the data driver includes, in each channel, a supply part comprising a digital-to-analog converter configured to generate data signals using second data supplied from outside in a driving period, and a deterioration part configured to measure deterioration information of the organic light emitting diode using the digital-to-analog converter in a sensing period.
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公开(公告)号：US09601089B2
公开(公告)日：2017-03-21
申请号：US14587518
申请日：2014-12-31
Applicant: Samsung Display Co., Ltd.
Inventor： Won-Tae Choi
IPC: G09G5/18 , G09G3/3225 , G09G3/32
CPC classification number: G09G5/18 , G09G3/3225 , G09G2300/0426 , G09G2310/0278 , G09G2310/08 , G09G2330/026
Abstract: A display device includes a display panel including data lines, scan lines, and pixels connecting with the data lines and the scan lines, a scan driver configured to supply scan signals to the scan lines, a source drive integrated circuit (“IC”) configured to convert digital video data into data voltages and to supply the data voltages to the data lines, and a timing controller configured to transmit the digital video data to the source drive IC and to control driving timing of the scan driver and the source drive IC, in which a transmitter and a receiver of the source drive IC are connected via a pair of transmission lines to a transmitter and a receiver of the timing controller.
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8.发明申请公开(公告)号：US20160163251A1
公开(公告)日：2016-06-09
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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9.发明申请CURRENT MEMORY CELL AND A CURRENT MODE DIGITAL-TO-ANALOG CONVERTER INCLUDING THE SAME 有权电流存储单元和包括其的电流模数转换器公开(公告)号：US20150054666A1
公开(公告)日：2015-02-26
申请号：US14207820
申请日：2014-03-13
Applicant: Samsung Display Co., Ltd.
Inventor： Bo-Yeon Kim , Oh-Jo Kwon , Hee-Sun Ahn , Won-Tae Choi
IPC: G11C11/406 , H03M1/66
CPC classification number: G11C11/40615 , G11C27/024 , G11C27/026 , G11C27/028 , H03M1/742
Abstract: A current memory cell includes an amplifier, transistor, first and second capacitors, and first to third switching units. The amplifier includes first to third terminals. The transistor is coupled to first and second nodes, and ground. The first capacitor is coupled between the second node and ground. The second capacitor is coupled between a third node and ground. The first unit couples a current source to the first node during a first period and an output line to the first node during a second period. The second unit couples the first node to the second node during the first period. The third unit couples the first terminal to the second node and couples the second and third terminals to the third node during the first period, and couples the first terminal to the third node and couples the second and third terminals to the second node during the second period.
Abstract translation: 当前存储单元包括放大器，晶体管，第一和第二电容器以及第一至第三开关单元。 放大器包括第一至第三端子。 晶体管耦合到第一和第二节点并接地。 第一电容器耦合在第二节点和地之间。 第二电容器耦合在第三节点和地之间。 第一单元在第一周期期间将电流源耦合到第一节点，在第二周期期间将输出线耦合到第一节点。 第一单元在第一周期期间将第一节点耦合到第二节点。 第三单元将第一终端耦合到第二节点，并且在第一周期期间将第二和第三终端耦合到第三节点，并且将第一终端耦合到第三节点，并且在第二周期期间将第二和第三终端耦合到第二节点 期。
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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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