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Charge Sharing

Charge Sharing-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Self-sensing touch panel
cs1−cs2
January 04, 2018 - N°20180004349

A method of differential self-capacitance measurement is used to enhance a signal-to-noise ratio of sense lines in a touch panel display, thereby improving touch sensor accuracy. The differential self-capacitance measurement is implemented for a touch panel using charge sharing between adjacent sense lines of the touch panel matrix. Sequential differential self-capacitance measurements can be compared with one another by computing ...
Memory device including memory cell for generating reference voltage
Samsung Electronics Co., Ltd.
December 21, 2017 - N°20170365308

A memory device includes a first memory cell, a second memory cell, a third memory cell, a bitline sense amplifier, and a switch circuit. The first memory cell is connected to a first wordline and a first bitline. The second memory cell is connected to the first wordline and a second bitline. The third memory cell is connected to the ...
Charge sharing between memory cell plates
Micron Technology, Inc.
December 07, 2017 - N°20170352396

Methods, systems, techniques, and devices for operating a ferroelectric memory cell or cells are described. A first ferroelectric memory cell may be used to charge a second ferroelectric memory cell by transferring charge from a plate of first ferroelectric memory cell to a plate of the second ferroelectric memory cell. In some examples, prior to the transfer of charge, the ...
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Charge pump circuit and internal voltage generation circuit including the same
Sk Hynix Inc.
September 14, 2017 - N°20170264191

A charge pump circuit may include a charge pump unit suitable for performing a charge pump operation until an output voltage reaches a target voltage; and a multi-stage charge sharing unit comprising first to nth capacitors coupled in parallel between the charge pump unit and a load circuit, the multi-stage charge sharing unit being suitable for sequentially performing first to ...
Fingerprint recognizing sensor with fast recognition
Apex Microelectronics Co., Ltd.
September 07, 2017 - N°20170255808

A fingerprint recognizing sensor with fast recognition, including: a substrate, a conductive plate, a passivation layer, a charging capacitor, a switch group, and an analog to digital (ad) converter; the conductive plate being arranged on the substrate; the passivation layer being arranged on the conductive pad for receiving a finger to detect a fingerprint; the switch group including a first ...
Charging scan and charge sharing scan double output goa circuit
Shenzhen China Star Optoelectronics Technology Co. , Ltd.
August 24, 2017 - N°20170243556

Provided is a charging scan and charge sharing scan double output goa circuit to combine the time sequence and circuit. The nth stage goa unit circuit receives the first, the second low frequency clock signals (lc1, lc2), the direct current low voltage signal (vss), the mth, m−2th high frequency clock signals (ck(m), ck(m−2)), a stage ...
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Charge Sharing Patent Applications
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Memory cell with improved write margin
Intel Corporation
August 10, 2017 - N°20170229166

Described is an apparatus and system for improving write margin in memory cells. In one embodiment, the apparatus comprises: a first circuit to provide a pulse signal with a width; and a second circuit to receive the pulse signal and to generate a power supply for the memory cell, wherein the second circuit to reduce a level of the power ...
Detection circuit, driver integrated circuit and detection method thereof
Boe Technology Group Co., Ltd.
August 10, 2017 - N°20170229089

The disclosure relates to a detection circuit, a driver integrated circuit and a detection method thereof, for determining a voltage value of a sense line, thereby being advantageous of further determining a value of parasitic capacitance of the sense line. The detection circuit can comprise: a reset module, a charge sharing module and an output module. The reset module can ...
Display apparatus and a method of operating the same
Samsung Display Co., Ltd.
June 29, 2017 - N°20170186389

A display apparatus includes a display panel, a first data driver, a second data driver, and a first capacitor. The display panel is connected to a plurality of data lines. The first data driver is connected to first data lines among the plurality of data lines, and is configured to perform a first charge sharing for the first data lines. ...
Charge sharing filter
Huawei Technologies Co., Ltd.
June 15, 2017 - N°20170170810

A charge sharing filter includes a rotating capacitor, and a plurality of elementary filters, each elementary filter comprising: an elementary switch coupled between a first node of the respective elementary filter and a second node of the respective elementary filter; and a history capacitor coupled to the first node of the respective elementary filter, wherein the second nodes of the ...
Systems, circuits, and methods for charge sharing
Micron Technology, Inc.
June 08, 2017 - N°20170162240

Systems, circuits, and methods are disclosed for charge sharing. In one such example system, a first line is configured to be driven to a first voltage representative of data to be placed on the first line and then precharged to a first precharge voltage. A second line is configured to be driven to a second voltage representative of data to ...
Array substrate, liquid crystal display panel, and its liquid crystal display device
Shenzhen China Star Optoelectronics Technology Co. Ltd.
June 01, 2017 - N°20170153508

The present invention provides an array substrate. The array substrate includes a base substrate, a first metal layer, an insulating layer, and a second metal layer subsequently formed on the base substrate. The first metal layer is scan lines or charge sharing lines of the array substrate. The second metal layer is one of a source electrode and drain electrode ...
Apparatuses and methods for transistor protection by charge sharing
Micron Technology, Inc.
May 18, 2017 - N°20170140830

Apparatuses and methods for protecting transistors through charge sharing are disclosed herein. An example apparatus includes a transistor comprising a gate node and a bulk node, a charge sharing circuit coupled between the gate and bulk nodes, and logic. The charge sharing circuit is configure to equalize charge differences between the gate and bulk nodes, and the logic is configured ...
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Charge Sharing Patent Applications
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Means and method for detecting capacitance connected to ac power
G2touch Co., Ltd.
February 16, 2017 - N°20170045563

The present invention relates to a novel means and a novel method for detecting a capacitance connected to ac power, which detect a sensor capacitance on the basis of a charge sharing phenomenon occurring due to a difference between voltages applied to a sensor capacitor and an auxiliary capacitor connected to a detection system when an ac voltage applied to ...
Source driver including output buffer, display driving circuit, and operating method of source driver
Samsung Electronics Co., Ltd.
February 02, 2017 - N°20170032740

A source driver includes a buffer device including a plurality of buffers corresponding to a plurality of data lines, each of the plurality of buffers respectively including an amplifier configured to amplify an input signal and an output driver configured to output a driving signal to a corresponding data line among the plurality of data lines; and a switch device ...
Charge sharing pixel circuit
Au Optronics Corporation
January 19, 2017 - N°20170018221

A pixel circuit includes a first switch unit, a second switch unit, a data line, a charge sharing line and a pixel-driving unit. The pixel-driving unit is electrically connected with the data line and a first terminal of the first switch unit. A second terminal of the first switch unit is electrically connected with the charge sharing line and a ...
High voltage device with multi-electrode control
Texas Instruments Incorporated
December 29, 2016 - N°20160380089

A high-voltage transistor (hvt) structure adapts a low-voltage transistor (lvt) to high-voltage environments. The hvt structure includes a drain node, a source node, a control gate, and a field electrode. The drain node and the source node define a conductive channel, in which mobilized charges are regulated by the control gate. While being isolated from the control gate, the field ...
Means and method for detecting capacitance connected to ac power
Texas Instruments Incorporated
December 08, 2016 - N°20160356832

The present invention relates to a novel means and a novel method for detecting a capacitance connected to ac power, which detect a sensor capacitance on the basis of a charge sharing phenomenon occurring due to a difference between voltages applied to a sensor capacitor and an auxiliary capacitor connected to a detection system when an ac voltage applied to ...
System and method for reducing power loss in switched-capacitor power converters
The Trustees Of Dartmouth College
December 01, 2016 - N°20160352218

A system for reducing power loss in a switched-capacitor converter includes a first and second switched capacitor sub-converter each having a flying capacitor and a first, second, third, and fourth switching device. Each switching device is controlled by one of a first, second, third, and fourth clock signal. The first, second, third and fourth clock signals of the second switched ...
Apparatus and method for detecting hovering object, switching matrix, apparatus for determining compensation capacitance, method ...
Nplanic Co., Ltd.
December 01, 2016 - N°20160349906

Disclosed is a method of detecting a hovering object, the method including: an operation of precharging a compensation capacitor and a parallel capacitor, which is obtained by connecting in parallel a self-capacitor formed between an object hovering over a touch panel and an electrode of the touch panel and a parasitic capacitor of the touch panel, with a predetermined voltage; ...
Pixel structure and detection method of promoting defect detection rate
Shenzhen China Star Optoelectronics Technology Co., Ltd.
November 24, 2016 - N°20160342051

The present invention provides a pixel structure and a detection method of promoting defect detection rate. The pixel structure of promoting defect detection rate comprises two areas of a main pixel (10) and a sub pixel (20), and the sub pixel (20) comprises a charge sharing thin film transistor (t3) and a charge sharing capacitor (cst3); a gate of the charge sharing thin ...
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