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1. 发明授权

US11442572B2 Touch display controller and touch display system including the same 有权
公开(公告)号：US11442572B2
公开(公告)日：2022-09-13
申请号：US16938261
申请日：2020-07-24
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Jinbong Kim , Changju Lee , Yoonkyung Choi
IPC分类号： G06F3/044 , G06F3/04883 , G09G3/3233 , G06V40/13 , G06F3/041
摘要： A touch display controller, panel and system may include a select circuit having a first selectable input terminal connected to touch sensors, a second selectable input terminal connected to display pixels, and an output terminal; an analog front-end circuit coupled to the output terminal of the select circuit to receive a raw analog signal, and having a shared processing path for analog signals from both the touch sensors and the display pixels; and a control circuit configured to control the an analog front-end circuit based on which type of element among the touch sensors or the display pixels is connected to the analog front-end circuit.

2. 发明授权

US09292125B2 Digital filter, touch sense device including the digital filter, and method for performing the digital filtering 有权
标题翻译：数字滤波器，包括数字滤波器的触摸感测装置以及用于执行数字滤波的方法
公开(公告)号：US09292125B2
公开(公告)日：2016-03-22
申请号：US14185624
申请日：2014-02-20
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Ki-Duk Kim , Yoonkyung Choi , Junchul Park , San-Ho Byun , Minchul Lee , Ji-Sung Jung
IPC分类号： G06F3/041 , H03M3/00 , G06F3/044
CPC分类号： G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04112 , H03M3/504
摘要： A touch sensing device including digital filter is provided. The touch sensing device includes a touch panel and a touch sensor configured to sensing a touch through the touch panel. The touch sensor includes a plurality of sensing units connected to the touch panel through a plurality of sensing lines. Each of the plurality of sensing units includes a digital filter configured to generate a valid filtered value at a time and invalid filtered value at other times by performing an operation on a plurality of input digital samples and a plurality of filter coefficients.
摘要翻译：提供了包括数字滤波器的触摸感测装置。触摸感测装置包括触摸面板和被配置为感测通过触摸面板的触摸的触摸传感器。触摸传感器包括通过多个感测线连接到触摸面板的多个感测单元。多个感测单元中的每一个包括数字滤波器，其被配置为通过对多个输入数字样本和多个滤波器系数执行操作来一次生成有效的滤波值并且在其它时间产生无效滤波值。

3. 发明授权

US11520431B2 Touch display system performing ground modulation 有权
公开(公告)号：US11520431B2
公开(公告)日：2022-12-06
申请号：US17348930
申请日：2021-06-16
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Yunrae Jo , Ohkyong Kwon , Yoonkyung Choi , Jinbong Kim , Jaehyung Jung
IPC分类号： G06F3/041
摘要： A touch display system includes: a display driver integrated circuit (IC) configured to drive a display panel; a touch screen controller configured to drive a touch screen panel; a driving voltage generator configured to provide driving voltages to the display panel, the display driver IC, and the touch screen controller; and a ground modulation device configured to receive a driving signal, which is used to drive the touch screen panel and periodically swings between a first reference voltage level and a second reference voltage level, from the touch screen controller, configured to generate a modulated ground voltage, which periodically swings between the first reference voltage level and the second reference voltage level, based on the driving signal, and configured to provide the modulated ground voltage to the display panel, the display driver IC, and the touch screen controller

4. 发明申请

US20210065602A1 DISPLAY CONTROLLER, DISPLAY SYSTEM INCLUDING THE DISPLAY CONTROLLER, AND METHOD OF OPERATING THE DISPLAY CONTROLLER 有权
公开(公告)号：US20210065602A1
公开(公告)日：2021-03-04
申请号：US16996391
申请日：2020-08-18
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Changju LEE , Yoonkyung Choi , Jinbong Kim , Junho Huh
IPC分类号： G09G3/20 , G06F3/041 , G06K9/00 , A61B5/00
摘要： A display chipset structure that is based on an integrated display controller is provided. The display controller includes including a display processor comprising a first digital circuit, and configured to receive image data from an application processor (AP) and output the image data to a first component driver chip configured to drive a gate line and a source line of a display panel; and a touch processor comprising a second digital circuit, and configured to receive touch data from a second component driver chip configured to drive sensing electrodes of a touch panel. The display controller is implemented as one semiconductor chip and separated from each of the first and second component driver chips, and the display processor and the touch processor communicate with each other through an internal interconnection of the one semiconductor chip.

5. 发明授权

US08563390B2 Semiconductor devices and methods of fabricating the same 有权
标题翻译：半导体器件及其制造方法
公开(公告)号：US08563390B2
公开(公告)日：2013-10-22
申请号：US13868752
申请日：2013-04-23
申请人： Samsung Electronics Co., Ltd.
发明人： Myoungsoo Kim , Yoonkyung Choi , Eun Young Lee , Sungil Jo
IPC分类号： H01L21/20 , H01L27/108 , H01L29/94
CPC分类号： H01L28/60 , H01L29/861 , H01L29/94
摘要： A semiconductor device includes capacitors connected in parallel. Electrode active portions and a discharge active portion are defined on a semiconductor substrate, and capping electrodes are disposed respectively on the electrode active portions. A capacitor-dielectric layer is disposed between each of the capping electrodes and each of the electrode active portions that overlap each other. A counter doped region is disposed in the discharge active portion. A lower interlayer dielectric covers the entire surface of the semiconductor substrate. Electrode contact plugs respectively contact the capping electrodes through the lower interlayer dielectric, and a discharge contact plug contacts the counter doped region through the lower interlayer dielectric. A lower interconnection is disposed on the lower interlayer dielectric and contacts the electrode contact plugs and the discharge contact plug.
摘要翻译：半导体器件包括并联连接的电容器。电极活性部分和放电活性部分限定在半导体衬底上，并且封盖电极分别设置在电极活性部分上。在每个封盖电极和彼此重叠的每个电极活性部分之间设置电容器 - 电介质层。反向掺杂区域设置在放电有源部分中。下部层间电介质覆盖半导体衬底的整个表面。电极接触插头分别通过下层间电介质接触封盖电极，并且放电接触插塞通过下层间电介质接触反掺杂区域。较低的互连布置在下层间电介质上并与电极接触插塞和放电接触插头接触。

6. 发明授权

US11650702B2 Sensing device including a first electrode receiving a first driving signal and a second electrode receiving a second driving signal 有权
公开(公告)号：US11650702B2
公开(公告)日：2023-05-16
申请号：US17507395
申请日：2021-10-21
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Chadong Kim , Bumsoo Kim , Jongmin Baek , Gyeonggon Lee , Jinchul Lee , Choonghoon Lee , Yunrae Jo , Yoonkyung Choi
IPC分类号： G06F3/044
CPC分类号： G06F3/044 , G06F2203/04112
摘要： A sensing device includes a touch panel including first and second sensor electrodes, and a touch panel controller acquiring a sensing signal from the touch panel and detecting a user input based on the sensing signal. The touch panel controller acquires the sensing signal from at least one of the first sensor electrodes and the second sensor electrodes in a first mode operating at a first power. The touch panel controller selects a first transmitting electrode, a second transmitting electrode, and receiving electrodes from one of the first sensor electrodes and the second sensor electrodes, inputs a first driving signal to the first transmitting electrode, and inputs a second driving signal having a phase difference of 180 degrees with respect to the first driving signal to the second transmitting electrode in a second mode operating at a second power and a third mode in which a sensing operation is performed.

7. 发明授权

US11157116B2 Touch panel controller having reduced noise and power consumption and sensing device including the same 有权
公开(公告)号：US11157116B2
公开(公告)日：2021-10-26
申请号：US16813943
申请日：2020-03-10
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Chadong Kim , Bumsoo Kim , Jongmin Baek , Gyeonggon Lee , Jinchul Lee , Choonghoon Lee , Yunrae Jo , Yoonkyung Choi
IPC分类号： G06F3/044
摘要： A sensing device includes a touch panel including first and second sensor electrodes, and a touch panel controller acquiring a sensing signal from the touch panel and detecting a user input based on the sensing signal. The touch panel controller acquires the sensing signal from at least one of the first sensor electrodes and the second sensor electrodes in a first mode operating at a first power. The touch panel controller selects a first transmitting electrode, a second transmitting electrode, and receiving electrodes from one of the first sensor electrodes and the second sensor electrodes, inputs a first driving signal to the first transmitting electrode, and inputs a second driving signal having a phase difference of 180 degrees with respect to the first driving signal to the second transmitting electrode in a second mode operating at a second power and a third mode in which a sensing operation is performed.

8. 发明授权

US09791986B2 Touch display device for controlling offset capacitance calibration 有权
公开(公告)号：US09791986B2
公开(公告)日：2017-10-17
申请号：US14804591
申请日：2015-07-21
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Hyunkyu Ouh , Bumsoo Kim , Junchul Park , Jinchul Lee , Yoonkyung Choi
IPC分类号： G06F3/044 , G06F3/041
CPC分类号： G06F3/044 , G06F3/0412 , G06F3/0418
摘要： A touch display device configured to drive a signal line in a first plurality of steps during a line-sensing period and adjust an offset capacitance in a second plurality of steps corresponding to the first plurality of steps.

9. 发明授权

US11455821B2 Electronic device performing fingerprint authentication and operation method thereof 有权
公开(公告)号：US11455821B2
公开(公告)日：2022-09-27
申请号：US17372942
申请日：2021-07-12
申请人： Samsung Electronics Co., Ltd.
发明人： Yeolmin Seong , Seongwook Song , Kiup Kim , Yoonkyung Choi
IPC分类号： G06V40/13 , G06F3/041 , G06F21/32 , G06V40/12 , G06F3/044 , G06V40/40
摘要： An electronic device includes a touch panel that includes a plurality of row touch lines and a plurality of column touch lines, a touch driver that controls the plurality of row touch lines and the plurality of column touch lines to obtain secondary biometrics including touch profile information, first indicator information, and second indicator information associated with a fingerprint of a user being in contact with the touch panel, in a fingerprint sensing mode of the electronic device, a fingerprint sensor that obtains fingerprint information about the fingerprint of the user, in the fingerprint sensing mode of the electronic device, an authentication module that performs a fingerprint matching operation and an anti-spoofing operation based on the fingerprint information and the secondary biometrics to output an authentication result, and an application processor that performs a security operation based on the authentication result.

10. 发明申请

US20210117035A1 TOUCH DISPLAY CONTROLLER AND TOUCH DISPLAY SYSTEM INCLUDING THE SAME 有权
公开(公告)号：US20210117035A1
公开(公告)日：2021-04-22
申请号：US16938261
申请日：2020-07-24
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： JINBONG KIM , Changju Lee , Yoonkyung Choi
IPC分类号： G06F3/041 , G06F3/044 , G06K9/00 , G09G3/3225
摘要： A touch display controller, panel and system may include a select circuit having a first selectable input terminal connected to touch sensors, a second selectable input terminal connected to display pixels, and an output terminal; and an analog front-end circuit coupled to the output terminal of the select circuit to receive a raw analog signal, and having a shared processing path for analog signals from both the touch sensors and the display pixels.

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