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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.发明授权公开(公告)号：US09354647B2
公开(公告)日：2016-05-31
申请号：US14444185
申请日：2014-07-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Bo-Yeon Kim , Hee-Sun Ahn
CPC classification number: G05F1/561 , G05F3/26 , H02M3/137 , H02M3/156 , H02M2003/1555
Abstract: A current generating circuit includes a reference voltage generating unit, a clock signal generating unit, a reference current generating unit, and a current mirror unit. The reference voltage generating unit generates a first reference voltage and a second reference voltage. The clock signal generating unit generates clock signals. The reference current generating unit generates a reference current corresponding to a selection signal based on the first reference voltage. The current mirror unit supplies a first current and a second current based on the reference current. A capacitor charges voltage based on the second current. A selection signal generating unit counts clock signals during a period in which a voltage charged in the capacitor is less than the second reference voltage, and outputs the selection signal based on the counted result.
Abstract translation: 电流产生电路包括参考电压产生单元，时钟信号产生单元，参考电流产生单元和电流反射镜单元。 参考电压产生单元产生第一参考电压和第二参考电压。 时钟信号产生单元产生时钟信号。 参考电流产生单元基于第一参考电压产生与选择信号相对应的参考电流。 电流镜单元基于参考电流提供第一电流和第二电流。 电容器根据第二电流对电压进行充电。 选择信号生成单元在电容器中充电的电压小于第二基准电压的期间对时钟信号进行计数，并根据计数结果输出选择信号。
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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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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：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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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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7.发明授权公开(公告)号：US09424770B2
公开(公告)日：2016-08-23
申请号：US13941356
申请日：2013-07-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Bo-Yeon Kim , Oh-Jo Kwon , Hee-Sun Ahn
CPC classification number: G09G3/3208 , G09G3/3233 , G09G3/3291 , G09G2300/0842 , G09G2320/0295 , G09G2320/043 , G09G2320/045 , H03K17/30
Abstract: An error compensator and an organic light emitting display device using the same. The organic light emitting display device includes pixels each having a driving transistor and an organic light emitting diode; and a sensing unit extracting at least one of a first information including the threshold voltage of the driving transistor or a second information including the degradation of the organic light emitting diode from a pixel of the pixels. In the organic light emitting display device, the sensing unit includes an amplifier amplifying a voltage corresponding to the at least one of the first information or the second information; and an error compensator compensating for error components of elements included in the amplifier and the error compensator.
Abstract translation: 误差补偿器和使用其的有机发光显示装置。 有机发光显示装置包括各自具有驱动晶体管和有机发光二极管的像素; 以及感测单元，从像素的像素中提取包括驱动晶体管的阈值电压的第一信息或包括有机发光二极管的劣化的第二信息中的至少一个。 在有机发光显示装置中，感测单元包括放大对应于第一信息或第二信息中的至少一个的电压的放大器; 以及补偿放大器和误差补偿器中包括的元件的误差分量的误差补偿器。
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8.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：US10152941B2
公开(公告)日：2018-12-11
申请号：US15152612
申请日：2016-05-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Bo-Yeon Kim
IPC: G09G3/36
Abstract: A display apparatus includes a display panel configured to display an image and comprises a plurality of gate lines, a plurality of data lines and a plurality of pixels connected to the plurality of gate lines and the plurality of data lines. A signal comparing circuit may be configured to compare an image data of an image currently being displayed with an image data of an image to be displayed subsequently, and to store a comparison data resulting from a comparison of the image data. A pre-charge controller may be disposed in the display panel and may pre-charge the plurality of data lines with predetermined voltage level based on the comparison data.
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10.发明授权Current memory cell and a current mode digital-to-analog converter including the same 有权当前存储单元和包括其的电流模式数模转换器公开(公告)号：US08957799B1
公开(公告)日：2015-02-17
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: H03M1/66 , G11C11/406
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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