Patents Assigned to Focaltech Systems, Ltd.
  • Patent number: 10319339
    Abstract: A data transmission method, a processor and a terminal. The method in the embodiments of the present invention comprises: converting, by a processor, RGB data into Pentile data; sending, by the processor, the Pentile data which is obtained after conversion to a display drive system, so that the display drive system sends a drive signal, into with the Pentile data is converted, to a display system. Therefore, there is no need to use an additional chip, thereby saving the costs of hardware, and reducing the power consumption and electric power consumption of transmission.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: June 11, 2019
    Assignee: FOCALTECH SYSTEMS, LTD.
    Inventors: Lianghua Mo, Xinxi Jiang, Chien kuo Wang
  • Patent number: 10025488
    Abstract: Multipoint locating method and device on a touch screen with a single conducting layer are provided. In the method, if there is a minimum detection unit with a capacitance variation amount greater than a preset condition to be partitioned, partitioning out a calculation matrix corresponding to the minimum detection unit to be partitioned. Therefore, multipoint locating on a touch screen with a single conducting layer is implemented.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: July 17, 2018
    Assignee: FocalTech Systems, Ltd.
    Inventors: Lidongzi Wang, Wenlei Zhang, Hua Li
  • Publication number: 20170039992
    Abstract: A data transmission method, a processor and a terminal. The method in the embodiments of the present invention comprises: converting, by a processor, RGB data into Pentile data; sending, by the processor, the Pentile data which is obtained after conversion to a display drive system, so that the display drive system sends a drive signal, into with the Pentile data is converted, to a display system. Therefore, there is no need to use an additional chip, thereby saving the costs of hardware, and reducing the power consumption and electric power consumption of transmission.
    Type: Application
    Filed: February 19, 2014
    Publication date: February 9, 2017
    Applicant: FOCALTECH SYSTEMS, LTD.
    Inventors: Lianghua MO, Xinxi JIANG, Chien kuo WANG
  • Patent number: 9500895
    Abstract: It relates to an LCD touch screen and applications integrating single layer capacitive sensor, comprising first underlayer, second underlayer, liquid crystal imaging material and control circuit. It also comprises capacitive touch sensor, which comprises an electrode layer set between the said first underlayer and second underlayer. The said electrode layer comprises electrodes and electrode conductors which are used for electric connection of various electrodes; both of the said electrodes and electrode conductors are set in the same plane. In the invention, the single layer capacitive sensor is set inside of the LCD touch screen, so as to reduce the thickness of the LCD touch screen, conforming to the development tendency of LCD touch screen to thin even ultra-thin ones.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: November 22, 2016
    Assignee: FocalTech Systems, Ltd.
    Inventors: Michael Mo, Hua Li
  • Patent number: 9495928
    Abstract: A driving circuit includes: a clock signal generating unit, for generating clock signals, where transitions from first level to second level, in each clock signal, trigger a scan driving circuit to generate scanning signals, the transitions from first level to second level are defined as effective signal edges of the clock signals, and an interval between adjacent effective signal edges is defined as a clock time interval; and a control unit, for controlling clock time intervals of each clock signal to be non-identical, the clock time intervals including a first clock time interval and second clock time interval, the second clock time being longer than the first clock time, and the control unit is configured to control the clock time interval to be the second clock time interval at least once during displaying one frame of image by a display panel.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 15, 2016
    Assignee: FOCALTECH SYSTEMS, LTD.
    Inventors: Xinxi Jiang, Lianghua Mo, Peng Zhang
  • Patent number: 9329734
    Abstract: The present invention relates to touch screen technology, and provide a weight pressure process method and system of the self capacitive touch screen. In the weight pressure process method and system of the self capacitive touch screen provided by the invention, a threshold relationship is used to modify the existing touch threshold, the threshold relationship uses the touch threshold and the minor change of the changes of two channels adjacent to the channel corresponding to the maximum value as variables, if the maximum value is not greater than the value of the threshold relationship, identify the point causing the current change as a fake point and filter out the fake point. In the method, the change of the self capacitor caused by the deformation due to pressure, so the actual touch point can be identified more accurately, a touch application can be performed correctly, and the user experience is improved greatly.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: May 3, 2016
    Assignee: FocalTech Systems, Ltd.
    Inventors: Jianjun Lin, Wenyong Long, Zhiliang Zhao, Weiping Liu
  • Publication number: 20160026843
    Abstract: An electronic device with a fingerprint sensing function and a method for calling an application are provided. The electronic device includes a fingerprint sensing region, a fingerprint sensing module and a control module. The fingerprint sensing module is configured to sense fingerprint input information input in the fingerprint sensing region. The control module is configured to recognize current state of the electronic device, provide a first driving signal to the fingerprint sensing module if the electronic device is in one of N preset states, to drive the fingerprint sensing module to sense fingerprint, receive fingerprint input information fed back by the fingerprint sensing module, judge whether the fingerprint input information is valid, and determine whether to call a corresponding application based on judgment result, where N is a positive integer. Response speed of the provided electronic device in calling applications is fast and high safety is ensured.
    Type: Application
    Filed: December 24, 2014
    Publication date: January 28, 2016
    Applicant: FOCALTECH SYSTEMS, LTD.
    Inventors: Lianghua MO, Jie LIU
  • Patent number: 9223337
    Abstract: A single layer self-capacitance touch screen and its data processing method which can realize multi-touch identification, the said touch screen includes at least two self-capacitance electrode assemblies independent of each other, all of which are located in the same plane layer and fully cover the whole touch zone of the touch screen without overlapping each other; the said self-capacitance electrode assembly includes at least a pair of self-capacitance coupling electrode couples, which include two electrode plates seated in the same plane, and these two electrode plates all include their own straight-line electrode plate coupling side and straight-line electrode plate base, which have included angle of acute angle; in the self-capacitance electrode assembly, the center lines of the self-capacitance coupling electrode couples are placed parallel to each other, and the center lines of arbitrarily two self-capacitance coupling electrode couples are also placed parallel to each other.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: December 29, 2015
    Assignee: FocalTech Systems, Ltd.
    Inventors: Weiping Liu, J K Zhang
  • Publication number: 20150324625
    Abstract: An electronic apparatus with fingerprint sensing function, a driving circuit, and a method for driving the electronic apparatus are provided. The electronic apparatus includes: a first fingerprint sensor adapted to perform fingerprint sensing; a second fingerprint sensor adapted to perform fingerprint sensing; and a driving circuit. The driving circuit provides a first fingerprint detection signal to the first fingerprint sensor for performing fingerprint detection, and determines whether to control the electronic apparatus to perform a first function, based on fingerprint detection information from the first fingerprint sensor; and provides a second fingerprint detection signal to the second fingerprint sensor for performing fingerprint detection, and determines whether to control the electronic apparatus to perform a second function, based on fingerprint detection information from the second fingerprint sensor. With above technical solution, security for usage of the electronic apparatus is improved.
    Type: Application
    Filed: December 30, 2014
    Publication date: November 12, 2015
    Applicant: FOCALTECH SYSTEMS, LTD.
    Inventors: Lianghua MO, Zhi LIU, Jie LIU
  • Publication number: 20150310820
    Abstract: A driving circuit includes: a clock signal generating unit, for generating clock signals, where transitions from first level to second level, in each clock signal, trigger a scan driving circuit to generate scanning signals, the transitions from first level to second level are defined as effective signal edges of the clock signals, and an interval between adjacent effective signal edges is defined as a clock time interval; and a control unit, for controlling clock time intervals of each clock signal to be non-identical, the clock time intervals including a first clock time interval and second clock time interval, the second clock time being longer than the first clock time, and the control unit is configured to control the clock time interval to be the second clock time interval at least once during displaying one frame of image by a display panel.
    Type: Application
    Filed: December 23, 2014
    Publication date: October 29, 2015
    Applicant: FOCALTECH SYSTEMS, LTD.
    Inventors: Xinxi JIANG, Lianghua MO, Peng ZHANG
  • Patent number: 9170675
    Abstract: It is provided a noise reduction method, device and system on the basis of touch detection of a capacitive screen. The noise reduction method includes: sending a first scanning waveform to all receiving terminals by a first sending terminal and then sending a second scanning waveform to all the receiving terminals by a second sending terminal during a detection time period, wherein the phase of the first scanning waveform is continuous with that of the second scanning waveform and the first scanning waveform has a same frequency as that of the second scanning waveform; and filtering a signal received by the receiving terminals after demodulating it. Non-gap scanning can be achieved by performing continuation process to the scanning waveform, i.e. by achieving that the phases are continuous and the frequencies are the same.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: October 27, 2015
    Assignee: FocalTech Systems, Ltd.
    Inventors: Lianghua Mo, Chen Li, Jingkai Zhang
  • Patent number: 9164634
    Abstract: A touch screen apparatus and a processing method thereof. In the touch screen apparatus according to the embodiment of the invention, a frequency spectrum analyzing unit determines that a frequency domain signal of a signal received by a receiving unit in the touch screen apparatus or of a signal obtained by processing the signal received by the receiving unit for at least once includes a predetermined noise signal feature, and then a frequency control unit controls the frequency of the signal sent by a sending unit, so that there is as little interference of the noise as possible when the sending unit performs transmission.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: October 20, 2015
    Assignee: FocalTech Systems, Ltd.
    Inventors: Lianghua Mo, Jingkai Zhang
  • Publication number: 20150254491
    Abstract: A display device is provided. The display device includes: a display panel provided with a plurality of display electrodes, where the display electrodes are configured for displaying images, display electrodes located within a predetermined region of the display panel are defined as first electrodes, the first electrodes are configured for fingerprint sensing, and a stage during which the first electrodes perform the fingerprint sensing is defined as a fingerprint sensing stage; and a driving circuit configured to, provide display signals to the display electrodes to display the images, and provide a fingerprint sensing signal to the first electrodes during the fingerprint sensing stage and perform a self-capacitance detection on the first electrodes, to implement the fingerprint sensing. A driving circuit, a method for driving the display device, a liquid crystal display device and an electronic apparatus including the display device are provided.
    Type: Application
    Filed: December 30, 2014
    Publication date: September 10, 2015
    Applicant: FOCALTECH SYSTEMS, LTD.
    Inventors: Lianghua MO, Junqiao LIU, Haijun HU, Jie LIU
  • Patent number: 9069205
    Abstract: A touch display screen, a method for manufacturing a display electrode of the touch display screen, a display electrode and an electronic device are described. In the touch display screen, the electrode in the first direction and the electrode in the second direction are connected to the touch detecting unit, and the touch detecting unit and the display control unit operate in a time-sharing manner. Thus, a part of the display electrode can be multiplexed, and it is unnecessary to provide an additional touch-sensitive layer to detect the touch on the touch display screen, so the structure of the touch display screen is simplified; because the touch-sensitive layer is omitted, the touch display screen has better transmittance; and because the touch detecting unit and the display control unit operate in a time-sharing manner, the detection on the touch and the control on the display will not affect mutually.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: June 30, 2015
    Assignee: FOCALTECH SYSTEMS, LTD.
    Inventors: Xinxi Jiang, Lianghua Mo, Hua Li, Peng Wang
  • Publication number: 20150035791
    Abstract: A touch control display device is provided according to embodiments of the disclosure. The touch control display device includes: a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a common electrode and a plurality of pixel units; and a plurality of touch sensing electrodes disposed above the common electrode, where the plurality of touch sensing electrodes are arranged in a two-dimensional array. With the solution according to the embodiments of the disclosure, the noise can be reduced and the frame rate of touch detection scan can be enhanced.
    Type: Application
    Filed: December 16, 2013
    Publication date: February 5, 2015
    Applicant: FocalTech Systems, Ltd.
    Inventors: Lianghua Mo, Guang Ouyang
  • Publication number: 20150035790
    Abstract: A self-capacitive touch panel is provided, including: a plurality of self-capacitive touch sensing electrodes arranged on a single layer; a touch control circuit configured to drive the plurality of self-capacitive touch sensing electrodes, to detect the changes of the self-capacitances of the plurality of self-capacitive touch sensing electrodes, and to determine a touch position based on the changes of the self-capacitances; an insulating layer covering the surface of the plurality of self-capacitive touch sensing electrodes; and an isolating electrode covering the surface of the insulating layer and connected to the touch control circuit. With the solutions according to the embodiments of the invention, the accuracy of touch detection may be enhanced.
    Type: Application
    Filed: November 14, 2013
    Publication date: February 5, 2015
    Applicant: FocalTech Systems, Ltd.
    Inventors: Lianghua Mo, Weiping Liu
  • Publication number: 20150002455
    Abstract: A close-range sensing method based on a capacitive touch screen is provided, which includes: short-circuiting mutually N electrodes in the capacitive touch screen and connecting the N electrodes to a detecting circuit, where N is equal to or greater than 2; performing, by the detecting circuit, detection on the N electrodes; and calculating a distance from the capacitive touch screen to a human body or an object nearby based on a detection result. A corresponding device and a communication terminal are further provided in the embodiment of the present invention. The detecting data of the N electrodes can be accumulated to improve the accuracy of the detection. And, the detection noise is the same as the noise in the case where the detection is performed on any one electrode separately.
    Type: Application
    Filed: February 10, 2014
    Publication date: January 1, 2015
    Applicant: FocalTech Systems, Ltd.
    Inventors: Jingkai ZHANG, Weiping LIU, Lianghua MO
  • Publication number: 20140368460
    Abstract: The application discloses a touch detection method, a touch detection apparatus and a touch screen system. The touch detection method utilizes a closure strategy to close certain detection processes among three detection processes comprising a Y-direction electrode array detection, an X-direction electrode array detection and an XY-direction electrode array detection. Specifically, when it is detected in one of the three detection processes that no touch signal is generated on the touch screen, the other two of the three detection processes are not to be started; when it is determined that the touch signal on the touch screen is a multi-touch signal, one of the Y-direction electrode array detection and the X-direction electrode array detection that has not been executed is refrained from being started.
    Type: Application
    Filed: November 15, 2013
    Publication date: December 18, 2014
    Applicant: FocalTech Systems, Ltd.
    Inventors: Lianghua MO, Wenyong LONG, Xiangyong XIE
  • Publication number: 20140362031
    Abstract: A touch display apparatus is provided. The touch display apparatus includes a display touch screen including a first substrate, a second substrate, a liquid crystal layer and multiple pixel units, the display touch screen includes multiple common electrodes arranged in a two-dimensional array; and a display touch control circuit including a display control circuit and a touch control circuit. The display touch control circuit is connected to the multiple common electrodes through wires in such a way that the multiple common electrodes are connected to a common level provided to the display control circuit in the case of a display is performed, and each of the multiple common electrodes is connected to the touch control circuit as a touch sensing electrode in the case of a touch sensing is performed.
    Type: Application
    Filed: November 18, 2013
    Publication date: December 11, 2014
    Applicant: FocalTech Systems, Ltd.
    Inventors: Lianghua MO, Guang OUYANG
  • Publication number: 20140362035
    Abstract: A capacitive touch screen, includes: a substrate; a plurality of sensing electrodes provided on the substrate, the plurality of sensing electrodes being arranged in a two-dimensional array; and a touch control chip bound to the substrate, the touch control chip being connected with each of the plurality of sensing electrodes via a corresponding wire. The touch control chip includes a driving source, a detection circuit and a timing control circuit, and each of the sensing electrodes is connected with the driving source and the detection circuit. The timing control circuit starts or cuts off the driving source according to a preset control scheme, and the detection circuit detects the change of the capacitance of each of the sensing electrodes to detect a touch position of a touch body on the touch screen.
    Type: Application
    Filed: November 20, 2013
    Publication date: December 11, 2014
    Applicant: FocalTech Systems, Ltd.
    Inventors: Lianghua MO, Chen LI