公开(公告)号：US08629852B2

公开(公告)日：2014-01-14

申请号：US12878338

申请日：2010-09-09

申请人： Oh-Kyong Kwon ,  Jang Hyun Park ,  Yea Chul Roh ,  Chang Sun Kim

发明人： Oh-Kyong Kwon ,  Jang Hyun Park ,  Yea Chul Roh ,  Chang Sun Kim

IPC分类号： G06F3/045 ,  G06F3/041

CPC分类号： G06F3/0418 ,  G06F3/044

摘要： Provided are a touch screen and a method for compensating sensing capacitance variations and offset variations thereof. The touch screen includes: a touch panel where a plurality of driving lines and a plurality of sensing lines intersect and are wired; a driving unit for activating the driving lines sequentially; an input unit for measuring a sensing capacitance formed in a sensing line corresponding to an activated driving line; a multiplexer for serializing and outputting the measured sensing capacitance; an analog-to-digital converter for sampling the sensing capacitance outputted from the multiplexer by reflecting an initial sensing capacitance as an offset and performing analog-to-digital conversion for the sampling result; and a host processor for determining a touch event in response to the analog-to-digital conversion result.

摘要翻译： 提供了一种用于补偿感测电容变化和偏移变化的触摸屏和方法。 触摸屏包括：触摸面板，其中多条驱动线和多条感测线相交并布线; 顺序地驱动行驶线的驱动单元; 输入单元，用于测量与激活的驱动线相对应的感测线中形成的感测电容; 用于串行化并输出所测量的感测电容的多路复用器; 模拟数字转换器，用于通过将初始感测电容反映为偏移并对采样结果执行模数转换，对从多路复用器输出的感测电容进行采样; 以及主机处理器，用于响应于模数转换结果确定触摸事件。

公开(公告)号：US08593378B2

公开(公告)日：2013-11-26

申请号：US11490943

申请日：2006-07-20

申请人： Do Hyung Ryu ,  Bo Yong Chung ,  Oh Kyong Kwon

发明人： Do Hyung Ryu ,  Bo Yong Chung ,  Oh Kyong Kwon

IPC分类号： G09G3/30 ,  G09G3/10 ,  G11C19/00

CPC分类号： G09G3/3233 ,  G09G3/3283 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2320/0223 ,  G09G2320/043 ,  G09G2330/02

摘要： An organic light emitting display device capable of displaying an image of uniform brightness. A scan driver drives scan lines and light emitting control lines that are formed parallel to each other. A data driver drives data lines formed at a direction intersecting the scan lines and the light emitting control lines, and pixels are disposed to be coupled with the scan lines, the light emitting control lines, and the data lines. An auxiliary line is formed parallel to the data lines. One side of the auxiliary line is coupled with a reference power supply and another side of the auxiliary line is coupled with a current source. Connectors are disposed at crossing areas of the auxiliary line and the scan lines. A voltage transfer unit is coupled with the connectors and transfers a voltage supplied to the connectors to the data driver.

摘要翻译： 一种能够显示均匀亮度的图像的有机发光显示装置。 扫描驱动器驱动彼此平行形成的扫描线和发光控制线。 数据驱动器驱动在与扫描线和发光控制线相交的方向上形成的数据线，并且将像素设置为与扫描线，发光控制线和数据线耦合。 辅助线平行于数据线形成。 辅助线路的一侧与参考电源耦合，并且辅助线路的另一侧与电流源耦合。 连接器设置在辅助线和扫描线的交叉区域。 电压传输单元与连接器耦合，并将提供给连接器的电压传送到数据驱动器。

公开(公告)号：US08570253B2

公开(公告)日：2013-10-29

申请号：US11229127

申请日：2005-09-15

申请人： Oh-Kyong Kwon

发明人： Oh-Kyong Kwon

IPC分类号： G09G3/30

CPC分类号： H03M1/664 ,  G09G3/3208 ,  G09G3/3283 ,  G09G2310/027 ,  G09G2320/0276 ,  H03M1/0607 ,  H03M1/687

摘要： A digital/analog (D/A) converter, a light emitting display device using the converter, and a display panel and a driving method thereof. The display device according to an exemplary embodiment of the present invention includes: a display unit having a plurality of data lines for transmitting data currents, a plurality of scan lines for transmitting selection signals, and a plurality of pixel areas defined by the data lines and the scan lines; a data driver for dividing a plurality of grayscale data having a first data and a second data into at least two grayscale sections, converting the grayscale data into a data current, and applying the data current to a data line; and a scan driver for sequentially applying the selection signals to the plurality of scan lines.

摘要翻译： 数字/模拟（D / A）转换器，使用该转换器的发光显示装置以及显示面板及其驱动方法。 根据本发明的示例性实施例的显示装置包括：显示单元，具有用于传输数据电流的多条数据线，用于发送选择信号的多条扫描线和由数据线定义的多个像素区域，以及 扫描线; 数据驱动器，用于将具有第一数据和第二数据的多个灰阶数据划分为至少两个灰阶部分，将灰度数据转换为数据电流，并将数据电流施加到数据线; 以及用于顺序地将选择信号施加到多条扫描线的扫描驱动器。

公开(公告)号：US08373687B2

公开(公告)日：2013-02-12

申请号：US12077828

申请日：2008-03-21

申请人： Oh-kyong Kwon

发明人： Oh-kyong Kwon

IPC分类号： G06F3/038 ,  G09G5/00

CPC分类号： G09G3/3233 ,  G09G2300/043 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043

摘要： An organic light emitting display capable of displaying images of uniform luminance and a method for driving the display are disclosed. The display senses degradation of the organic light emitting diode and threshold and/or mobility of a drive transistor and modifies the data supplied to the pixel according to the sensed parameters.

摘要翻译： 公开了能够显示均匀亮度的图像的有机发光显示器和用于驱动显示器的方法。 显示器感测有机发光二极管的劣化和驱动晶体管的阈值和/或迁移率，并且根据所感测的参数修改提供给像素的数据。

公开(公告)号：US08059140B2

公开(公告)日：2011-11-15

申请号：US11700746

申请日：2007-01-30

申请人： Oh Kyong Kwon ,  Byong Deok Choi

发明人： Oh Kyong Kwon ,  Byong Deok Choi

IPC分类号： G09G5/10

CPC分类号： G09G3/2011 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/08 ,  G09G2310/027 ,  G09G2310/0297

摘要： A flat panel display device including: a display region including pixels connected to scan lines and data lines; a dummy display region including dummy pixels connected to at least two dummy scan lines and the data lines; a scan driver for providing scan signals and dummy scan signals to the scan lines and the dummy scan lines; a data driver for generating gray scale voltages corresponding to input digital data and providing them to corresponding pixels through the data lines; and a timing controller for controlling the scan driver and the data driver, wherein the data driver uses parasitic capacitance components existing in at least two data lines and capacitance components in the pixels and the dummy pixels connected to the at least two data lines, as a sampling capacitor and a holding capacitor to generate the gray scale voltages through charge sharing between the at least two data lines.

摘要翻译： 一种平板显示装置，包括：显示区域，包括连接到扫描线和数据线的像素; 虚拟显示区域，包括连接到至少两个虚拟扫描线和数据线的虚拟像素; 用于向扫描线和虚拟扫描线提供扫描信号和虚拟扫描信号的扫描驱动器; 用于产生对应于输入数字数据的灰度电压并通过数据线将它们提供给相应像素的数据驱动器; 以及用于控制扫描驱动器和数据驱动器的定时控制器，其中数据驱动器使用存在于至少两条数据线中的寄生电容分量和连接到该至少两条数据线的像素中的电容分量和与该至少两条数据线连接的虚拟像素作为 采样电容器和保持电容器，以通过至少两条数据线之间的电荷共享产生灰度级电压。

公开(公告)号：US07903127B2

公开(公告)日：2011-03-08

申请号：US11229460

申请日：2005-09-16

申请人： Oh-Kyong Kwon

发明人： Oh-Kyong Kwon

IPC分类号： G09G3/30 ,  G06F3/038 ,  G09G5/00 ,  G09G5/10

CPC分类号： G09G3/3283 ,  G09G3/3208 ,  G09G2310/027 ,  G09G2320/0276

摘要： A display device including a display unit including a plurality of data lines for transmitting data currents, a plurality of scan lines for transmitting scan signals, and a plurality of pixel areas defined by the data lines and the scan lines; a data driver for converting a plurality of grayscale data that include first data and second data into at least one of the data currents, and applying the at least one of the data currents to at least one of the data lines; and a scan driver for sequentially applying the scan signals to the plurality of scan lines, and wherein the data driver divides the plurality of grayscale data into at least two grayscale ranges including a first grayscale range, outputs a first current of the first grayscale range including at least one of the plurality of grayscale data by using the first data, and outputs a second current that corresponds to the second data in the first grayscale range.

摘要翻译： 一种显示装置，包括：显示单元，包括用于传输数据电流的多条数据线;多条用于发送扫描信号的扫描线;以及由数据线和扫描线定义的多个像素区域; 用于将包括第一数据和第二数据的多个灰度数据转换成数据电流中的至少一个的数据驱动器，以及将至少一个数据电流施加到数据线中的至少一个; 以及扫描驱动器，用于将所述扫描信号顺序地应用于所述多条扫描线，并且其中所述数据驱动器将所述多个灰度级数据划分成包括第一灰阶范围的至少两个灰阶范围，输出所述第一灰阶范围的第一电流，所述第一灰度范围包括 通过使用第一数据，多个灰度数据中的至少一个，并输出与第一灰度范围内的第二数据相对应的第二电流。

公开(公告)号：US07746334B2

公开(公告)日：2010-06-29

申请号：US11139440

申请日：2005-05-27

申请人： Dong Hoon Lee ,  Juhn Suk Yoo ,  Chul Sang Jang ,  Oh Kyong Kwon

发明人： Dong Hoon Lee ,  Juhn Suk Yoo ,  Chul Sang Jang ,  Oh Kyong Kwon

IPC分类号： G06F3/033

CPC分类号： G09G3/3688 ,  G09G3/3614

摘要： A driving apparatus of a liquid crystal display device includes a liquid crystal display panel display a video signal by use of a liquid crystal cell of a matrix shape. A plurality of data drive circuits generate a polarity pattern of the video signal in accordance with a polarity signal and supply the polarity pattern to the liquid crystal cell through a plurality of output channels. A polarity controller controls the polarity signal and supplies the polarity signal to the data drive circuits on the basis of a first selection signal corresponding to the number of the output channels of one drive circuit and a second selection signal corresponding to a repetition period of the polarity pattern.

摘要翻译： 液晶显示装置的驱动装置包括液晶显示面板，通过使用矩阵形状的液晶单元显示视频信号。 多个数据驱动电路根据极性信号产生视频信号的极性图案，并通过多个输出通道将极性图案提供给液晶单元。 极性控制器控制极性信号，并且基于与一个驱动电路的输出通道的数量相对应的第一选择信号和对应于极性的重复周期的第二选择信号将极性信号提供给数据驱动电路 模式。

公开(公告)号：US20100141639A1

公开(公告)日：2010-06-10

申请号：US12631406

申请日：2009-12-04

申请人： Jong Hak Baek ,  Yoon Kyung Choi ,  Oh-Kyong Kwon

发明人： Jong Hak Baek ,  Yoon Kyung Choi ,  Oh-Kyong Kwon

IPC分类号： G06F3/038

CPC分类号： G09G3/3685 ,  G09G3/2022 ,  G09G2310/0202 ,  G09G2310/0291 ,  G09G2310/0297 ,  G09G2320/0223 ,  G09G2330/023

摘要： A source driver and a display device having the same are provided. The source driver shares several outputs by using a time division method and has an analog voltage stored in a buffer supplied to each data line multiple times during a horizontal scanning interval. Accordingly, by supplying an analog voltage to a data line a first time in a first activation interval and supplying an analog voltage to a data line a second time in a second activation interval, a target voltage of each pixel may be achieved quickly and accurately.

摘要翻译： 提供源驱动器和具有该源驱动器的显示装置。 源驱动器通过使用时分方法共享多个输出，并且在水平扫描间隔期间将存储在提供给每个数据线的缓冲器中的模拟电压多次存储。 因此，通过在第一激活间隔中第一次向数据线提供模拟电压，并且在第二激活间隔中再次将数字线提供给数据线，可以快速且准确地实现每个像素的目标电压。

公开(公告)号：US07663616B2

公开(公告)日：2010-02-16

申请号：US11313804

申请日：2005-12-22

申请人： Sang-Moo Choi ,  Hong-Kwon Kim ,  Oh-Kyong Kwon

发明人： Sang-Moo Choi ,  Hong-Kwon Kim ,  Oh-Kyong Kwon

IPC分类号： G09G5/00

CPC分类号： G09G3/3275 ,  G09G3/325 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/027

摘要： A data driving circuit for displaying an image with a desired brightness comprises: a current digital-analog converter for generating a gradation current corresponding to external data, and for receiving a first current corresponding to the gradation current from a pixel via a data line; a current control unit for receiving a pixel current from the pixel via the data line, and for selectively increasing and decreasing a level of the first current in accordance with the received pixel current; and a selection unit for selectively connecting the data line to either the current digital-analog converter or the current control unit. An organic light emitting diode and a method of driving same are similarly configured. With these configurations, an image is displayed with desired brightness.

摘要翻译： 用于显示具有期望亮度的图像的数据驱动电路包括：当前数字 - 模拟转换器，用于产生与外部数据相对应的灰度电流，并且用于经由数据线从像素接收与灰度电流相对应的第一电流; 电流控制单元，用于经由数据线从像素接收像素电流，并且用于根据接收到的像素电流选择性地增加和减小第一电流的电平; 以及用于选择性地将数据线连接到当前数字 - 模拟转换器或当前控制单元的选择单元。 类似地构造有机发光二极管及其驱动方法。 使用这些配置，将以期望的亮度显示图像。

公开(公告)号：US07649514B2

公开(公告)日：2010-01-19

申请号：US11313784

申请日：2005-12-22

申请人： Sang-Moo Choi ,  Hong-Kwon Kim ,  Oh-Kyong Kwon

发明人： Sang-Moo Choi ,  Hong-Kwon Kim ,  Oh-Kyong Kwon

IPC分类号： G09G3/30

CPC分类号： G09G3/3275 ,  G09G3/325 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/027

摘要： A data driving circuit including: a voltage digital-analog converter adapted to generate a first gradation voltage corresponding to external data; a current digital-analog converter adapted to generate a gradation current corresponding to the external data; a voltage control unit adapted to receive a feedback pixel current from a pixel via a data line and to generate a second gradation voltage by increasing or decreasing a level of the first gradation voltage in accordance with the feedback pixel current; a buffer unit adapted to selectively supply the first or second gradation voltage to the data line; and a selection unit adapted to selectively connect the data line to either the buffer unit or the voltage control unit. With this configuration, an image is displayed with a desired brightness.

摘要翻译： 一种数据驱动电路，包括：电压数模转换器，适于产生对应于外部数据的第一灰度电压; 适于产生与外部数据相对应的灰度电流的当前数模转换器; 电压控制单元，适于经由数据线从像素接收反馈像素电流，并且通过根据反馈像素电流增加或减少第一灰度电压的电平来生成第二灰度电压; 适于选择性地将第一或第二灰度电压提供给数据线的缓冲单元; 以及选择单元，适于选择性地将数据线连接到缓冲单元或电压控制单元。 使用该配置，以期望的亮度显示图像。