专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US09311858B2 Circuit and method for driving OLED display 有权
标题翻译：用于驱动OLED显示器的电路和方法
公开(公告)号：US09311858B2
公开(公告)日：2016-04-12
申请号：US12912223
申请日：2010-10-26
申请人： Hyun Ho Cho , Yong Icc Jung , Young Bok Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Hyun Ho Cho , Yong Icc Jung , Young Bok Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： G09G3/32
CPC分类号： G09G3/3291 , G09G2300/0819 , G09G2320/0285 , G09G2320/0295 , G09G2320/045
摘要： A circuit for driving an organic light emitting diode display includes a display panel that displays an image by using organic light emitting diodes disposed at intersection areas of a plurality of gate lines and a plurality of data lines; a threshold voltage detection control unit that supplies a precharge voltage by sequentially turning on transistors for threshold voltage detection, which are connected among the data lines and the organic light emitting diodes on the display panel, in units of horizontal lines, and enables threshold voltages to be detected; and a source driver that detects threshold voltages of all organic light emitting diodes arranged on a corresponding horizontal line, and repeats an operation, as necessary, for sampling/holding the detected threshold voltages through M sample/hold circuits, converting the sampled/held threshold voltages into digital signals, and storing the digital signals in a memory.
摘要翻译：用于驱动有机发光二极管显示器的电路包括：显示面板，其通过使用设置在多条栅极线和多条数据线的交叉区域上的有机发光二极管来显示图像; 阈值电压检测控制单元，其以水平线为单位顺序地接通连接在显示面板上的数据线和有机发光二极管之间的用于阈值电压检测的晶体管，从而提供预充电电压，被检测到以及源驱动器，其检测布置在相应的水平线上的所有有机发光二极管的阈值电压，并根据需要重复进行通过M个采样/保持电路采样/保持检测到的阈值电压的操作，转换采样/保持阈值电压转换为数字信号，并将数字信号存储在存储器中。

2. 发明授权

US09030453B2 Liquid crystal display driving circuit with less current consumption 有权
标题翻译：液晶显示驱动电路，耗电少
公开(公告)号：US09030453B2
公开(公告)日：2015-05-12
申请号：US13201989
申请日：2010-01-29
申请人： Hyun Ho Cho , Young Icc Jung , Young Suk Son , Joon Ho Na , Hyung Seog Oh , Dae Seong Kim , Dae Keun Han
发明人： Hyun Ho Cho , Young Icc Jung , Young Suk Son , Joon Ho Na , Hyung Seog Oh , Dae Seong Kim , Dae Keun Han
IPC分类号： G06F3/038 , G09G5/00 , G09G3/36
CPC分类号： G09G3/3688 , G09G3/3614 , G09G2330/021
摘要： An LCD driving circuit includes a first buffer configured to have a terminal for a first voltage, a terminal for a second voltage and a terminal for an intermediate voltage between the first voltage and the second voltage, and be driven in a range from the first voltage to the intermediate voltage; and a second buffer configured to have a terminal for the first voltage, a terminal for the second voltage and a terminal for the intermediate voltage, and be driven in a range from the intermediate voltage to the second voltage. The terminal for the intermediate voltage of the first buffer and the terminal for the intermediate voltage of the second buffer are connected with each other, and the first voltage is a highest voltage, the second voltage is a lowest voltage, and the intermediate voltage is in a range from the first voltage to the second voltage.
摘要翻译： LCD驱动电路包括：第一缓冲器，被配置为具有用于第一电压的端子，用于第二电压的端子和用于第一电压和第二电压之间的中间电压的端子，并且在从第一电压到中间电压; 以及第二缓冲器，被配置为具有用于第一电压的端子，用于第二电压的端子和用于中间电压的端子，并且在从中间电压到第二电压的范围内被驱动。第一缓冲器的中间电压的端子和第二缓冲器的中间电压的端子彼此连接，第一电压为最高电压，第二电压为最低电压，中间电压为从第一电压到第二电压的范围。

3. 发明申请

US20110164020A1 DISPLAY DRIVE CIRCUIT AND DRIVE METHOD 有权
标题翻译：显示驱动电路和驱动方法
公开(公告)号：US20110164020A1
公开(公告)日：2011-07-07
申请号：US12997847
申请日：2009-05-22
申请人： Hyun Ho Cho , Hyun Ja Cho , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Hyun Ho Cho , Hyun Ja Cho , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： G06F3/038
CPC分类号： G09G3/3685 , G09G3/20 , G09G3/3688 , G09G2310/0275 , G09G2310/061 , G09G2320/0257 , G09G2330/021
摘要： A display driving circuit and method is capable of minimizing the residual image of a display panel as well as consumption electric current. The display driving circuit generates driving signals corresponding to valid data and black data and transmits the driving signals to a display panel, and includes N data selection switches (where N is the integer), N buffers, N buffer output selection switches, and multiple charge sharing switches. The N data selection switches select one of the valid data and the black data. The N buffers buffer the signal selected by the respective data selection switches. The N buffer output selection switches switch outputs of the buffers to output the respective driving signals. The multiple charge sharing switches connect the neighboring pairs of the driving signals.
摘要翻译：显示驱动电路和方法能够使显示面板的残留图像以及消耗电流最小化。显示驱动电路产生与有效数据和黑色数据相对应的驱动信号，并将驱动信号发送到显示面板，并且包括N个数据选择开关（其中N为整数），N个缓冲器，N个缓冲器输出选择开关和多次充电共享交换机 N个数据选择开关选择有效数据和黑色数据之一。 N个缓冲器缓冲由各个数据选择开关选择的信号。 N个缓冲器输出选择开关切换缓冲器的输出以输出相应的驱动信号。多个电荷共享开关连接相邻的驱动信号对。

4. 发明授权

US08451207B2 Display drive circuit and drive method 有权
标题翻译：显示驱动电路和驱动方式
公开(公告)号：US08451207B2
公开(公告)日：2013-05-28
申请号：US12997847
申请日：2009-05-22
申请人： Hyun Ho Cho , Hyun Ja Cho , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Hyun Ho Cho , Hyun Ja Cho , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： G09G3/36
CPC分类号： G09G3/3685 , G09G3/20 , G09G3/3688 , G09G2310/0275 , G09G2310/061 , G09G2320/0257 , G09G2330/021
摘要： A display driving circuit and method is capable of minimizing the residual image of a display panel as well as consumption electric current. The display driving circuit generates driving signals corresponding to valid data and black data and transmits the driving signals to a display panel, and includes N data selection switches (where N is the integer), N buffers, N buffer output selection switches, and multiple charge sharing switches. The N data selection switches select one of the valid data and the black data. The N buffers buffer the signal selected by the respective data selection switches. The N buffer output selection switches switch outputs of the buffers to output the respective driving signals. The multiple charge sharing switches connect the neighboring pairs of the driving signals.
摘要翻译：显示驱动电路和方法能够使显示面板的残留图像以及消耗电流最小化。显示驱动电路产生与有效数据和黑色数据相对应的驱动信号，并将驱动信号发送到显示面板，并且包括N个数据选择开关（其中N是整数），N个缓冲器，N个缓冲器输出选择开关和多次充电共享交换机 N个数据选择开关选择有效数据和黑色数据之一。 N个缓冲器缓冲由各个数据选择开关选择的信号。 N个缓冲器输出选择开关切换缓冲器的输出以输出相应的驱动信号。多个电荷共享开关连接相邻的驱动信号对。

5. 发明申请

US20110298769A1 LIQUID CRYSTAL DISPLAY DRIVING CIRCUIT WITH LESS CURRENT CONSUMPTION 有权
标题翻译：液晶显示驱动电路，消耗电流不足
公开(公告)号：US20110298769A1
公开(公告)日：2011-12-08
申请号：US13201989
申请日：2010-01-29
申请人： Hyun Ho Cho , Young Icc Jung , Young Suk Son , Joon Ho Na , Hyung Seog Oh , Dae Seong Kim , Dae Keun Han
发明人： Hyun Ho Cho , Young Icc Jung , Young Suk Son , Joon Ho Na , Hyung Seog Oh , Dae Seong Kim , Dae Keun Han
IPC分类号： G09G3/36 , G09G5/00
CPC分类号： G09G3/3688 , G09G3/3614 , G09G2330/021
摘要： An LCD driving circuit includes a first buffer configured to have a terminal for a first voltage, a terminal for a second voltage and a terminal for an intermediate voltage between the first voltage and the second voltage, and be driven in a range from the first voltage to the intermediate voltage; and a second buffer configured to have a terminal for the first voltage, a terminal for the second voltage and a terminal for the intermediate voltage, and be driven in a range from the intermediate voltage to the second voltage. The terminal for the intermediate voltage of the first buffer and the terminal for the intermediate voltage of the second buffer are connected with each other, and the first voltage is a highest voltage, the second voltage is a lowest voltage, and the intermediate voltage is in a range from the first voltage to the second voltage.
摘要翻译： LCD驱动电路包括：第一缓冲器，被配置为具有用于第一电压的端子，用于第二电压的端子和用于第一电压和第二电压之间的中间电压的端子，并且在从第一电压到中间电压; 以及第二缓冲器，被配置为具有用于第一电压的端子，用于第二电压的端子和用于中间电压的端子，并且在从中间电压到第二电压的范围内被驱动。第一缓冲器的中间电压的端子和第二缓冲器的中间电压的端子彼此连接，第一电压为最高电压，第二电压为最低电压，中间电压为从第一电压到第二电压的范围。

6. 发明申请

US20110109816A1 CIRCUIT FOR DRIVING LCD DEVICE AND DRIVING METHOD THEREOF 有权
标题翻译：驱动液晶显示装置的电路及其驱动方法
公开(公告)号：US20110109816A1
公开(公告)日：2011-05-12
申请号：US13000882
申请日：2009-05-22
申请人： Soo Woo Kim , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Soo Woo Kim , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： H04N3/10
CPC分类号： G09G3/3614 , G09G3/3688 , G09G2310/027 , G09G2310/08 , G09G2370/08
摘要： A liquid crystal display driving circuit and method. A data register block of a controller applies in advance a polarity control signal to data before the data are stored in latches of a data driver, exchanges the data, and then stores the exchanged data in the latches. Thereby, it is possible to provide multiplexers, which are otherwise required for respective channels, to one controller and to decrease the size of a chip.
摘要翻译：一种液晶显示驱动电路及方法。控制器的数据寄存器块在将数据存储在数据驱动器的锁存器之前将极性控制信号预先应用于数据，交换数据，然后将交换的数据存储在锁存器中。由此，可以向一个控制器提供另外需要的多路复用器，并且减小芯片的尺寸。

7. 发明申请

US20110089576A1 PAD LAYOUT STRUCTURE OF A DRIVER IC CHIP 有权
标题翻译：驱动IC芯片的PAD布局结构
公开(公告)号：US20110089576A1
公开(公告)日：2011-04-21
申请号：US12997206
申请日：2009-05-22
申请人： Joung Cheul CHOI , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Joung Cheul CHOI , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： H01L23/52
CPC分类号： G02F1/1345 , H01L23/49838 , H01L2924/0002 , H01L2924/00
摘要： A pad layout structure of a driver IC chip to be mounted to a liquid crystal display panel. The pad layout structure includes power pad sections placed at respective four corners of the driver IC chip and each having a first power pad for supplying first power to the driver IC chip, a second power pad for supplying second power to the driver IC chip, a third power pad for supplying third power to the driver IC chip and a fourth power pad for supplying fourth power to the driver IC chip.
摘要翻译：要安装到液晶显示面板的驱动器IC芯片的焊盘布局结构。焊盘布局结构包括放置在驱动器IC芯片的四个角的功率焊盘部分，并且每个具有用于向驱动器IC芯片提供第一电力的第一电源焊盘，用于向驱动器IC芯片提供第二电力的第二电源焊盘，用于向驱动器IC芯片提供第三电力的第三电源焊盘和用于向驱动器IC芯片提供第四电力的第四电源焊盘。

8. 发明授权

US09082355B2 Circuit for driving LCD device and driving method thereof 有权
标题翻译： LCD驱动电路及其驱动方法
公开(公告)号：US09082355B2
公开(公告)日：2015-07-14
申请号：US13000882
申请日：2009-05-22
申请人： Soo Woo Kim , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Soo Woo Kim , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： G09G3/36 , G09G5/00
CPC分类号： G09G3/3614 , G09G3/3688 , G09G2310/027 , G09G2310/08 , G09G2370/08
摘要： A liquid crystal display driving circuit and method. A data register block of a controller applies in advance a polarity control signal to data before the data are stored in latches of a data driver, exchanges the data, and then stores the exchanged data in the latches. Thereby, it is possible to provide multiplexers, which are otherwise required for respective channels, to one controller and to decrease the size of a chip.
摘要翻译：一种液晶显示驱动电路及方法。控制器的数据寄存器块在将数据存储在数据驱动器的锁存器之前将极性控制信号预先应用于数据，交换数据，然后将交换的数据存储在锁存器中。由此，可以向一个控制器提供另外需要的多路复用器，并且减小芯片的尺寸。

9. 发明授权

US08913048B2 Source driver circuit of liquid crystal display device 有权
标题翻译：液晶显示装置源驱动电路
公开(公告)号：US08913048B2
公开(公告)日：2014-12-16
申请号：US13575591
申请日：2010-03-12
申请人： Hun Yong Lim , Jung Hwan Choi , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Hun Yong Lim , Jung Hwan Choi , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： G06F3/038 , G09G3/36 , G09G5/00
CPC分类号： G09G3/3688 , G09G2310/0291 , G09G2330/026 , G09G2330/06
摘要： Provided is a technology for preventing noisy data from being displayed before valid data is inputted when power is turned on in a liquid crystal display. A source driver circuit for a liquid crystal display includes: a power supply voltage input unit configured to divide a first power supply voltage and a second power supply voltage, such that a middle level of the second power supply voltage is lower than a level of the first power supply voltage; a power supply voltage comparison unit configured to compare division voltages inputted from the power supply voltage input unit, and output an output voltage of a high level in a time period in which the middle level of the second power supply voltage is higher than the level of the first power supply voltage; a Schmitt trigger configured to output the output voltage of the power supply voltage comparison unit as a reset signal while preventing a sensitive response to external environment; and a specific voltage supply unit configured to output a voltage of a specific level in a time period between the input of the reset signal from the Schmitt trigger and the input of a first gate start pulse.
摘要翻译：提供了一种用于在液晶显示器中接通电源时在有效数据被输入之前防止有噪声数据被显示的技术。用于液晶显示器的源极驱动电路包括：电源电压输入单元，被配置为将第一电源电压和第二电源电压分压，使得第二电源电压的中间电平低于第第一电源电压; 电源电压比较单元，被配置为比较从电源电压输入单元输入的分压，并且在第二电源电压的中间电平高于第二电源电压的电平的时间段中输出高电平的输出电压第一电源电压; 施密特触发器，被配置为输出电源电压比较单元的输出电压作为复位信号，同时防止对外部环境的敏感响应; 以及特定电压供给单元，被配置为在施密特触发器的复位信号的输入和第一栅极起始脉冲的输入之间的时间段中输出特定电平的电压。

10. 发明授权

US08541888B2 Pad layout structure of a driver IC chip 有权
标题翻译：垫片布局结构的驱动IC芯片
公开(公告)号：US08541888B2
公开(公告)日：2013-09-24
申请号：US12997206
申请日：2009-05-22
申请人： Joung Cheul Choi , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
发明人： Joung Cheul Choi , An Young Kim , Joon Ho Na , Dae Seong Kim , Dae Keun Han
IPC分类号： H01L23/52
CPC分类号： G02F1/1345 , H01L23/49838 , H01L2924/0002 , H01L2924/00
摘要： A pad layout structure of a driver IC chip to be mounted to a liquid crystal display panel. The pad layout structure includes power pad sections placed at respective four corners of the driver IC chip and each having a first power pad for supplying first power to the driver IC chip, a second power pad for supplying second power to the driver IC chip, a third power pad for supplying third power to the driver IC chip and a fourth power pad for supplying fourth power to the driver IC chip.
摘要翻译：要安装到液晶显示面板的驱动器IC芯片的焊盘布局结构。焊盘布局结构包括放置在驱动器IC芯片的四个角的功率焊盘部分，并且每个具有用于向驱动器IC芯片提供第一电力的第一电源焊盘，用于向驱动器IC芯片提供第二电力的第二电源焊盘，用于向驱动器IC芯片提供第三电力的第三电源焊盘和用于向驱动器IC芯片提供第四电力的第四电源焊盘。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式