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

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。

3. 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。

4. 发明授权

US08854354B2 Power supply circuit for liquid crystal display device that changes durations of control signals 有权
标题翻译：用于改变控制信号持续时间的液晶显示装置的电源电路
公开(公告)号：US08854354B2
公开(公告)日：2014-10-07
申请号：US12909272
申请日：2010-10-21
申请人： Yong Sung Ahn , Jung Min Choi , Sang Rok Cha , Dae Keun Han , Hyung Seog Oh , Yong Suk Kim
发明人： Yong Sung Ahn , Jung Min Choi , Sang Rok Cha , Dae Keun Han , Hyung Seog Oh , Yong Suk Kim
IPC分类号： G09G5/00 , G09G3/36
CPC分类号： G09G3/3696 , G09G3/3677 , G09G2330/02 , G09G2330/06
摘要： A power supply circuit of a liquid crystal display device includes a first positive polarity charge charging unit including a first capacitor connected to positive and negative power terminals through switches to charge a charge, a second positive polarity charge charging unit including a second capacitor connected to the positive power terminal and a ground terminal through switches to charge a charge, a first positive polarity charge loading unit loading the charge supplied through the positive power terminal to a negative polarity terminal, a second positive polarity charge loading unit loading the charge charged in the first capacitor to a negative polarity terminal, a third positive polarity charge loading unit loading the charge charged in the second capacitor, and a positive polarity charge charging/loading control unit outputting charging control signals with a same phase to the switches, and periodically or irregularly changing durations of the charging and loading control signals.
摘要翻译：液晶显示装置的电源电路包括第一正极性充电充电单元，其包括通过开关对正电源端子和负电源端子连接的第一电容器进行充电;第二正极性充电单元，包括连接到正电源端子和接地端子，通过开关对电荷充电，第一正极性电荷负载单元将通过正电源端子提供的电荷负载到负极端子;第二正极性电荷负载单元，负载在第一电容器连接到负极端子，第三正极性电荷负载单元加载充电在第二电容器中的电荷;以及正极性充电充电/负载控制单元，向开关输出具有相同相位的充电控制信号，并周期性地或不规则地改变充电和加载控制的持续时间诺尔斯

5. 发明授权

US08717338B2 Display drive circuit 有权
标题翻译：显示驱动电路
公开(公告)号：US08717338B2
公开(公告)日：2014-05-06
申请号：US13063539
申请日：2009-09-04
申请人： Young-Suk Son , Hyun-Min Song , Hyun-Ja Cho , Yong-Sung Ahn , Hyung-Seog Oh , Dae-Keun Han
发明人： Young-Suk Son , Hyun-Min Song , Hyun-Ja Cho , Yong-Sung Ahn , Hyung-Seog Oh , Dae-Keun Han
IPC分类号： G06F3/038
CPC分类号： G09G3/3614 , G09G3/3688 , G09G2310/0248 , G09G2310/0297 , G09G2330/021
摘要： A display driving circuit includes a buffer section, an N-dot switch circuit, a charge sharing switch circuit, and a sharing voltage level control switch circuit. The buffer section buffers a plurality of pixel driving signals outputted from a plurality of DACs. The N-dot switch circuit selects paths of the plurality of pixel driving signals outputted from the buffer section in response to a first path selecting signal or a second path selecting signal that is determined depending upon a dot inversion method, and switches the paths to a plurality of output terminals. The charge sharing switch circuit shares charges among the plurality of output terminals in response to a charge sharing control signal. The sharing voltage level control switch circuit controls charge sharing between the plurality of output terminals and a voltage level upon charge sharing, in response to a sharing voltage level control signal.
摘要翻译：显示驱动电路包括缓冲器部分，N点开关电路，电荷共享开关电路和共享电压电平控制开关电路。缓冲器部分缓冲从多个DAC输出的多个像素驱动信号。 N点开关电路响应于根据点反转方法确定的第一路径选择信号或第二路径选择信号，选择从缓冲器部分输出的多个像素驱动信号的路径，并将路径切换到多个输出端子。电荷共享开关电路响应于电荷共享控制信号而在多个输出端子之间共享电荷。响应于共享电压电平控制信号，共享电压电平控制开关电路控制多个输出端子之间的电荷共享和电荷共享时的电压电平。

6. 发明授权

US08531037B2 Semiconductor chip having power supply line with minimized voltage drop 有权
标题翻译：具有电源线的半导体芯片具有最小的电压降
公开(公告)号：US08531037B2
公开(公告)日：2013-09-10
申请号：US12740316
申请日：2008-10-27
申请人： Yong-Icc Jung , Dae-Keun Han , Dae-Seong Kim , Joon-Ho Na
发明人： Yong-Icc Jung , Dae-Keun Han , Dae-Seong Kim , Joon-Ho Na
IPC分类号： H01L29/40
CPC分类号： H01L23/60 , H01L23/5286 , H01L24/06 , H01L24/80 , H01L2924/01014 , H01L2924/01033 , H01L2924/14
摘要： Disclosed is a power supply line in which a voltage drop generated in a resistance component of a metal line which delivers a power voltage is minimized so that the level of the power supply voltage delivered to a semiconductor chip becomes constant in the entire area of the semiconductor chip. The semiconductor chip includes: at least two power supply pads to which a power voltage applied from an external unit of the semiconductor chip is supplied; power supply main metal lines connected to each of the power supply pads; power supply branch metal lines extended from each of the power supply main metal lines to deliver a power voltage to a circuit in the semiconductor chip; and at least an electrostatic discharge (ESD) improvement dummy pad, wherein the ESD improvement dummy pad is electrically connected to the corresponding power supply main metal line and the corresponding power supply branch metal line to minimize a voltage drop.
摘要翻译：公开了一种电源线，其中在输送电源电压的金属线路的电阻分量中产生的电压降最小化，使得在半导体芯片的整个区域中传递到半导体芯片的电源电压的电平变得恒定芯片。半导体芯片包括：从半导体芯片的外部单元施加电力电压的至少两个电源焊盘; 电源主金属线连接到每个电源板; 从每个电源主金属线路延伸的电源分支金属线路将电力电压传送到半导体芯片中的电路; 以及至少一个静电放电（ESD）改善虚拟焊盘，其中ESD改进虚拟焊盘电连接到相应的电源主金属线和相应的电源支路金属线，以最小化电压降。

7. 发明授权

US08441473B2 Method for removing offset between channels of LCD panel 有权
标题翻译：清除LCD面板通道之间偏移的方法
公开(公告)号：US08441473B2
公开(公告)日：2013-05-14
申请号：US12593102
申请日：2008-03-17
申请人： Dae-Keun Han , Dae-Seong Kim , Hyung-Seog Oh , Joon-Ho Na , Hyun-Ho Cho
发明人： Dae-Keun Han , Dae-Seong Kim , Hyung-Seog Oh , Joon-Ho Na , Hyun-Ho Cho
IPC分类号： G06F3/038
CPC分类号： G09G3/3614 , G09G3/3685 , G09G2320/0247
摘要： A method of removing offsets between channels of a liquid crystal panel is provided. The method includes: alternately arranging first type output buffers and second type output buffers for driving the pixels in units of at least two rows of the pixels; and arranging the first type output buffers and the second type output buffers in units of at least two columns of the pixels so that the output buffers with types opposite to those of previous two columns are arranged. The second type output buffers are embodied by switching connections among the differential transistors and connections among the load transistors in the first type output buffers.
摘要翻译：提供一种去除液晶面板通道之间偏移的方法。该方法包括：交替排列第一类型的输出缓冲器和第二类型的输出缓冲器，用于以至少两行像素为单位驱动像素; 并且以至少两列像素为单位布置第一类型输出缓冲器和第二类型输出缓冲器，使得排列具有与前两列相反类型的输出缓冲器。第二类型输出缓冲器通过在差分晶体管之间切换连接和在第一类型输出缓冲器中的负载晶体管之间的连接来实现。

8. 发明授权

US08390031B2 Pad layout structure of semiconductor chip 有权
标题翻译：垫片布局结构的半导体芯片
公开(公告)号：US08390031B2
公开(公告)日：2013-03-05
申请号：US13559893
申请日：2012-07-27
申请人： Dae-Keun Han , Dae-Seong Kim , Joon-Ho Na
发明人： Dae-Keun Han , Dae-Seong Kim , Joon-Ho Na
IPC分类号： H01L27/10 , H01L29/73
CPC分类号： H01L24/06 , H01L23/544 , H01L24/86 , H01L2223/54426 , H01L2224/05553 , H01L2224/05599 , H01L2224/0603 , H01L2224/06051 , H01L2224/45144 , H01L2224/85399 , H01L2924/00014 , H01L2924/01005 , H01L2924/01006 , H01L2924/01033 , H01L2924/01079 , H01L2924/01082 , H01L2224/48
摘要： Provided is a pad layout structure of a semiconductor chip capable of preventing lead-broken problems when packaging the semiconductor chip with a high aspect ratio in a tape carrier package (TCP). In the pad layout structure of the semiconductor chip, a plurality pads are arranged along upper, lower, left and right sides of the semiconductor chip with a high aspect ratio, and a longitudinal width of pads arranged at the left and right sides and a transverse width of pads arranged at both edges of the upper and lower sides are greater than a transverse width of pads arranged at centers of the upper and lower sides.
摘要翻译：提供一种半导体芯片的焊盘布局结构，其能够防止在带状载体封装（TCP）中封装具有高纵横比的半导体芯片时的引线断裂问题。在半导体芯片的焊盘布局结构中，多个焊盘沿着半导体芯片的上部，下部，左侧和右侧以高纵横比布置，并且布置在左侧和右侧的焊盘的纵向宽度和横向布置在上侧和下侧的两个边缘处的垫的宽度大于布置在上侧和下侧中心处的垫的横向宽度。

9. 发明申请

US20110096054A1 LIQUID CRYSTAL DISPLAY PANEL DRIVING CIRCUIT 有权
标题翻译：液晶显示面板驱动电路
公开(公告)号：US20110096054A1
公开(公告)日：2011-04-28
申请号：US12912187
申请日：2010-10-26
申请人： Hyun-Ho CHO , Ji-Hun Kim , Joon-Ho Na , Hyung-Seog Oh , Dae-Seong Kim , Dae-Keun Han
发明人： Hyun-Ho CHO , Ji-Hun Kim , Joon-Ho Na , Hyung-Seog Oh , Dae-Seong Kim , Dae-Keun Han
IPC分类号： G09G3/36 , G09G5/00
CPC分类号： G09G3/3685 , G09G3/20 , G09G3/3696 , G09G2310/027
摘要： Disclosed is a liquid crystal display panel driving circuit for driving a liquid crystal display panel with a resolution of N bits. N-bit digital data including upper X bits and lower Y bits is inputted. The liquid crystal display panel driving circuit includes a resistor string unit according to areas, a DAC converter switching unit according to areas, and an interpolation amplifier. The resistor string unit outputs analog reference voltages at different ratios according to three areas. The DAC converter switching unit receives the N-bit digital data, selects (Y+1) analog voltages from the analog reference voltages based on the upper X bits, outputs the (Y+1) analog voltages, and outputs the (Y+1) analog voltages of different combinations based on the lower Y bits. The interpolation amplifier receives the (Y+1) analog voltages and generates an interpolated output voltage by setting weights for the (Y+1) analog voltages by using multi-factors.
摘要翻译：公开了一种以N位分辨率驱动液晶显示面板的液晶显示面板驱动电路。输入包括高X位和低Y位的N位数字数据。液晶显示面板驱动电路包括根据区域的电阻串单元，根据区域的DAC转换器切换单元和内插放大器。电阻串单元根据三个区域输出不同比例的模拟参考电压。 DAC转换器切换单元接收N位数字数据，从模拟参考电压基于高X位选择（Y + 1）模拟电压，输出（Y + 1）模拟电压，并输出（Y + 1））基于较低Y位的不同组合的模拟电压。内插放大器通过使用多因素设置（Y + 1）模拟电压的权重，接收（Y + 1）模拟电压并产生内插输出电压。

10. 发明申请

US20100308472A1 SEMICONDUCTOR CHIP HAVING POWER SUPPLY LINE WITH MINIMIZED VOLTAGE DROP 有权
标题翻译：具有最小化电压降电源线的半导体芯片
公开(公告)号：US20100308472A1
公开(公告)日：2010-12-09
申请号：US12740316
申请日：2008-10-27
申请人： Yong-Icc Jung , Dae-Keun Han , Dae-Seong Kim , Joon-Ho Na
发明人： Yong-Icc Jung , Dae-Keun Han , Dae-Seong Kim , Joon-Ho Na
IPC分类号： H01L23/528
CPC分类号： H01L23/60 , H01L23/5286 , H01L24/06 , H01L24/80 , H01L2924/01014 , H01L2924/01033 , H01L2924/14
摘要： Disclosed is a power supply line in which a voltage drop generated in a resistance component of a metal line which delivers a power voltage is minimized so that the level of the power supply voltage delivered to a semiconductor chip becomes constant in the entire area of the semiconductor chip. The semiconductor chip includes: at least two power supply pads to which a power voltage applied from an external unit of the semiconductor chip is supplied; power supply main metal lines connected to each of the power supply pads; power supply branch metal lines extended from each of the power supply main metal lines to deliver a power voltage to a circuit in the semiconductor chip; and at least an electrostatic discharge (ESD) improvement dummy pad, wherein the ESD improvement dummy pad is electrically connected to the corresponding power supply main metal line and the corresponding power supply branch metal line to minimize a voltage drop.
摘要翻译：公开了一种电源线，其中在输送电源电压的金属线路的电阻分量中产生的电压降最小化，使得在半导体芯片的整个区域中传递到半导体芯片的电源电压的电平变得恒定芯片。半导体芯片包括：从半导体芯片的外部单元施加电力电压的至少两个电源焊盘; 电源主金属线连接到每个电源板; 从每个电源主金属线路延伸的电源分支金属线路将电力电压传送到半导体芯片中的电路; 以及至少一个静电放电（ESD）改善虚拟焊盘，其中ESD改进虚拟焊盘电连接到相应的电源主金属线和相应的电源支路金属线，以最小化电压降。

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