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1. 发明申请

US20100110040A1 TOUCH CONTROLLER HAVING INCREASED SENSING SENSITIVITY, AND DISPLAY DRIVING CIRCUIT AND DISPLAY DEVICE AND SYSTEM HAVING THE TOUCH CONTROLLER 审中-公开
标题翻译：具有增加的感应灵敏度的触控控制器以及具有触控控制器的显示驱动电路和显示设备和系统
公开(公告)号：US20100110040A1
公开(公告)日：2010-05-06
申请号：US12608372
申请日：2009-10-29
申请人： Hyoung-rae KIM , Yoon-kyung CHOI , Hwa-hyun CHO , Sang-woo KIM , Hae-yong AHN , Hyung-dal KWON , Jong-kang PARK , San-ho BYUN , Jae-suk YU
发明人： Hyoung-rae KIM , Yoon-kyung CHOI , Hwa-hyun CHO , Sang-woo KIM , Hae-yong AHN , Hyung-dal KWON , Jong-kang PARK , San-ho BYUN , Jae-suk YU
IPC分类号： G06F3/044
CPC分类号： G06F3/044 , G02F1/13338 , G06F1/3215 , G06F1/3237 , G06F1/3265 , G06F3/0412 , G06F3/0418 , G09G3/2007 , G09G3/2092 , G09G2310/08 , G09G2354/00 , H01L27/323
摘要： A touch controller includes a touch data generator that is connected to a plurality of sensing lines, the touch data generator sensing a change in capacitance of a sensing unit connected to each of the sensing lines and generating touch data by processing the sensing signal corresponding to the result of sensing; and a signal processor that controls a timing of generating the touch data by receiving at least one piece of timing information for driving a display panel from a timing controller, and then providing either the timing information or a signal generated from the timing information as a control signal to the touch data generator.
摘要翻译：触摸控制器包括连接到多个感测线的触摸数据发生器，触摸数据发生器感测连接到每个感测线的感测单元的电容变化，并通过处理对应于感测线的感测信号来产生触摸数据检测结果; 以及信号处理器，其通过从定时控制器接收至少一个用于驱动显示面板的定时信息来控制产生触摸数据的定时，然后提供定时信息或从定时信息生成的信号作为控制信号到触摸数据发生器。

2. 发明申请

US20110193817A1 METHOD AND APPARATUS COMPENSATING NOISE IN TOUCH PANEL 有权
标题翻译：触控面板中的方法和装置噪声补偿
公开(公告)号：US20110193817A1
公开(公告)日：2011-08-11
申请号：US13013308
申请日：2011-01-25
申请人： San-ho BYUN , Yoon-kyung CHOI
发明人： San-ho BYUN , Yoon-kyung CHOI
IPC分类号： G06F3/045
CPC分类号： G06F3/044 , G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/045
摘要： Touch screen systems and method of compensating noise in same are presented. One touch screen system includes; a touch screen panel having sense channels providing a sense output corresponding to a capacitance variation associated with an applied touch input as detected by one or more sensing units connected to the sense channels. A parasitic capacitance is accumulated in the sense channels as the touch input is applied. The touch screen system also includes a touch controller receiving the sense output and including; a noise compensation block configured to generate a compensation capacitance to compensate for the parasitic capacitance and provide a compensation output, and a signal conversion unit that receives the sense output and the compensation output and generates a noise compensated sense output.
摘要翻译：介绍了触摸屏系统和噪声补偿方法。一触摸屏系统包括：具有感测通道的触摸屏面板，其提供对应于与连接到感测通道的一个或多个感测单元检测到的与所施加的触摸输入相关联的电容变化的感测输出。当施加触摸输入时，寄生电容在感测通道中累积。触摸屏系统还包括接收感测输出并包括的触摸控制器; 噪声补偿块，被配置为产生补偿电容以补偿寄生电容并提供补偿输出;以及信号转换单元，其接收感测输出和补偿输出并产生噪声补偿感测输出。

3. 发明申请

US20110242050A1 METHOD AND APPARATUS COMPENSATING PARASITIC CAPACITANCE IN TOUCH PANEL 审中-公开
标题翻译：方法和装置在触摸面板中补充PARASIIC电容
公开(公告)号：US20110242050A1
公开(公告)日：2011-10-06
申请号：US13076686
申请日：2011-03-31
申请人： San-ho BYUN , Yoon-kyung CHOI , Jong-hak BAEK
发明人： San-ho BYUN , Yoon-kyung CHOI , Jong-hak BAEK
IPC分类号： G06F3/045
CPC分类号： G06F3/044 , G06F3/0418
摘要： A touch controller and touch display device incorporating same are described. The touch controller includes a parasitic capacitance compensation unit that receives a common electrode voltage to generate a quantity of charge capable of compensating for a quantity of charge associated with a parasitic capacitance between a sensing channel and a common electrode in a touch panel capable of capacitive sensing of a touch input.
摘要翻译：描述了包括其的触摸控制器和触摸显示装置。触摸控制器包括寄生电容补偿单元，其接收公共电极电压以产生能够补偿与能够进行电容感测的触摸面板中的感测通道和公共电极之间的寄生电容相关联的电荷量的电荷量的触摸输入。

4. 发明申请

US20080238748A1 CYCLIC DIGITAL TO ANALOG CONVERTER IN PIPELINE STRUCTURE 有权
标题翻译：循环数字到管道结构中的模拟转换器
公开(公告)号：US20080238748A1
公开(公告)日：2008-10-02
申请号：US12038852
申请日：2008-02-28
申请人： Zhong-yuan WU , Yoon-kyung CHOI
发明人： Zhong-yuan WU , Yoon-kyung CHOI
IPC分类号： H03M1/72
CPC分类号： H03M1/0617 , H03M1/002 , H03M1/662 , H03M1/667
摘要： A cyclic digital to analog converter (CDAC) in a pipeline structure includes a first CDAC block and a second CDAC block. The first CDAC block receives a first digital signal and converts the first digital signal to a first analog value. The first CDAC block includes a charging capacitor for charging according to the first digital signal and a first storing capacitor for storing the first analog value. The second CDAC block receives a second digital signal and converts the second digital signal to a second analog value. The second CDAC block includes the charging capacitor for charging according to the second digital signal and a second storing capacitor for storing the second analog value. The first CDAC block and the second CDAC block share the charging capacitor.
摘要翻译：流水线结构中的循环数模转换器（CDAC）包括第一CDAC块和第二CDAC块。第一CDAC块接收第一数字信号并将第一数字信号转换为第一模拟值。第一CDAC块包括用于根据第一数字信号进行充电的充电电容器和用于存储第一模拟值的第一存储电容器。第二CDAC块接收第二数字信号并将第二数字信号转换为第二模拟值。第二CDAC块包括用于根据第二数字信号进行充电的充电电容器和用于存储第二模拟值的第二存储电容器。第一个CDAC模块和第二个CDAC模块共享充电电容。

5. 发明申请

US20110285654A1 ADAPTIVE DIGITAL FILTERING METHOD AND APPARATUS IN TOUCH SENSING SYSTEM 有权
标题翻译：自适应数字滤波方法和触摸感应系统的设备
公开(公告)号：US20110285654A1
公开(公告)日：2011-11-24
申请号：US13103257
申请日：2011-05-09
申请人： Jong-kang PARK , Hae-yong AHN , Yoon-kyung CHOI
发明人： Jong-kang PARK , Hae-yong AHN , Yoon-kyung CHOI
IPC分类号： G06F3/041
CPC分类号： G06F3/044 , G06F3/041 , G06F3/0418
摘要： An adaptive digital filtering method and apparatus for touch data in a touch system is described. Adaptive digital filtering involves estimating a signal-to-noise ratio (SNR) for stored touch data, and reducing a digital filter order if the SNR is high and increasing the digital filter order if the SNR is small.
摘要翻译：描述了触摸系统中的触摸数据的自适应数字滤波方法和装置。自适应数字滤波包括估计用于存储的触摸数据的信噪比（SNR），并且如果SNR较高并且如果SNR小则增加数字滤波器阶数，则减少数字滤波器阶数。

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