Patents Assigned to ILI Technology Corp.
  • Patent number: 11698690
    Abstract: An active stylus includes a memory; a transmission module; and an active stylus controller, coupled to the memory and the transmission module. The active stylus controller controls the transmission module to periodically transmit a downlink beacon signal and a plurality of downlink signals so as to synchronize timing with a touch panel and transmit information. The downlink beacon signal is composed of a plurality of bit data and includes a preamble, stored in the memory, for synchronizing the timing; a digital data, for transmitting information from the active stylus to the touch panel; and a cyclic redundancy check, for executing an error check or an error correction for data. The touch panel is an in-cell/on-cell organic light-emitting diode (OLED) touch screen or an in-cell/on-cell liquid-crystal display (LCD) touch screen.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: July 11, 2023
    Assignee: ILI Technology Corp.
    Inventors: Chia-Yu Hung, Yi-Fan Lin
  • Patent number: 11609661
    Abstract: A touch input system includes a touch panel, configured to transmit an uplink signal; and an active stylus, configured to analyze the uplink signal, synchronize timing and bi-directionally communicate with the touch panel according to the uplink signal; wherein the uplink signal includes a preamble, for synchronizing the timing; a digital data, for bi-directionally communicating between the active stylus and the touch panel; and a cyclic redundancy check, for executing an error check and an error correction for data.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: March 21, 2023
    Assignee: ILI Technology Corp.
    Inventor: Chia-Yu Hung
  • Publication number: 20230051460
    Abstract: A touch input system includes a touch panel, configured to transmit an uplink signal; and an active stylus, configured to analyze the uplink signal, synchronize timing and bi-directionally communicate with the touch panel according to the uplink signal; wherein the uplink signal includes a preamble, for synchronizing the timing; a digital data, for bi-directionally communicating between the active stylus and the touch panel; and a cyclic redundancy check, for executing an error check and an error correction for data.
    Type: Application
    Filed: December 3, 2021
    Publication date: February 16, 2023
    Applicant: ILI Technology Corp.
    Inventor: Chia-Yu Hung
  • Patent number: 11543901
    Abstract: A touch control device and a stylus are provided. The stylus includes a transceiver and a controller. The controller generates a plurality of data items based on a request signal received by the transceiver, and generates at least one status data signal in each data item according to at least one operation status of the stylus. In particular, the controller makes the transceiver select at least one selected time period in a plurality of first time periods to transmit the at least one status data signal to a host and transmit at least one normal data signal in at least one other time period other than the at least one selected time period. In particular, a frequency of the at least one status data signal is different from a frequency of the at least one normal data signal.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: January 3, 2023
    Assignee: ILI TECHNOLOGY CORP.
    Inventors: Yifan Lin, Chia-Yu Hung
  • Patent number: 11500481
    Abstract: An active pen is provided. The active pen includes a first transceiver and a first control circuit. The first transceiver is configured to receive uplink information and send corresponding touch coordinate information, first-type downlink information, and second-type downlink information through at least one data channel. The first control circuit is coupled to the first transceiver. The first control circuit generates the touch coordinate information and multiple downlink information based on the uplink information and classifies the downlink information into the first-type downlink information or the second-type downlink information according to the amount of data and a required transmission frequency thereof. A touch system including the active pen is also provided.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: November 15, 2022
    Assignee: ILI TECHNOLOGY CORP.
    Inventors: Chia-Yu Hung, Yifan Lin
  • Publication number: 20220276727
    Abstract: A touch control device and a stylus are provided. The stylus includes a transceiver and a controller. The controller generates a plurality of data items based on a request signal received by the transceiver, and generates at least one status data signal in each data item according to at least one operation status of the stylus. In particular, the controller makes the transceiver select at least one selected time period in a plurality of first time periods to transmit the at least one status data signal to a host and transmit at least one normal data signal in at least one other time period other than the at least one selected time period. In particular, a frequency of the at least one status data signal is different from a frequency of the at least one normal data signal.
    Type: Application
    Filed: November 5, 2021
    Publication date: September 1, 2022
    Applicant: ILI TECHNOLOGY CORP.
    Inventors: Yifan Lin, Chia-Yu Hung
  • Patent number: 10782838
    Abstract: A touch panel is provided and includes a plurality of electrode strip sets, a plurality of transparent traces and a plurality of electrode series sets. The electrode strip sets include a first electrode strip set and a second electrode strip, and the first electrode strip set is disposed between the second electrode strip and a pad region. The transparent traces are disposed in a light-transmitting region, the transparent traces electrically connected to the first electrode strip set and the second electrode strip set include a winding segment respectively, and a length of the winding segment electrically connected to the first electrode strip set is longer than a length of the winding segment electrically connected to the second electrode strip set. The electrode series sets cross the electrode strip sets.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: September 22, 2020
    Assignee: ILI Technology Corp.
    Inventors: Cheng-Hsien Hsu, Tzu-Wei Liu, Hu-Chi Chang, Pei-Ju Hsieh
  • Patent number: 10635249
    Abstract: A sensor and a manufacturing method thereof are provided. An inspection structure is first provided, wherein the inspection structure includes multiple electrode groups, multiple first connecting line segments and multiple second connecting line segments. Each electrode group includes two electrode sets, each of which includes a plurality of electrode strips. The electrode strips of one electrode set in each electrode group are connected in series by at least one second connecting line segment to electrically connect into a first electrode string, and the electrodes of the other electrode set in each electrode group are connected in series by at least one first connecting line segment to electrically connect into a second electrode string. A inspection step is then performed to determine whether an open circuit exists in the first and second electrode strings or whether a short circuit exist between the first and second electrode strings.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: April 28, 2020
    Assignee: ILI TECHNOLOGY CORP.
    Inventor: Hu-Chi Chang
  • Patent number: 10606427
    Abstract: A mutual capacitive touch panel includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of electrode groups and a plurality of electrode groups arranged in an array. The first electrode groups located at the same column are electrically connected to a form a first electrode series, and the second electrode groups located at the same column are electrically connected to form a second electrode series. The second electrode layer includes a plurality of electrode strip groups insulated from one another and sequentially arranged along a column direction of the array, wherein each of the electrode strip groups extends along a row direction of the array and overlaps, a perpendicular projection direction, electrode groups of two adjacent rows, and two adjacent of the electrode strip groups overlap, in the perpendicular projection direction, the electrode groups of the same row.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: March 31, 2020
    Assignee: ILI TECHNOLOGY CORP.
    Inventors: Cheng-Hsien Hsu, Guo-Kiang Hung, Ching-Chun Chiang, Wei-Lun Kuo, Peng-Yun Ding
  • Patent number: 10606420
    Abstract: A touch display panel includes a substrate, a plurality of data lines, a plurality of touch sensing lines, and a plurality of gate lines. The data lines are disposed above the substrate, and extend along a first direction. The touch sensing lines are disposed above the substrate, extend along a second direction different from the first direction, and intersect with the data lines. The gate lines are disposed above the substrate, extend along the second direction, and intersect with the data lines. The touch sensing lines or the gate lines and the data lines form touch sensing elements.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: March 31, 2020
    Assignee: ILI TECHNOLOGY CORP.
    Inventors: Chi Kang Liu, Guo-Kiang Hung
  • Publication number: 20200064948
    Abstract: A mutual capacitive touch panel includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of first electrode series and a plurality of second electrode series. The second electrode layer includes a plurality of electrode strips, and each electrode strip crosses the first electrode series and the second electrode series. Each first electrode series includes a plurality of first electrodes and a plurality of second electrodes electrically connected with each other, and each first electrode and a corresponding one of the second electrodes are disposed abreast and form an electrode set. Each second electrode series includes a plurality of third electrodes electrically connected with each other, and each electrode set and each third electrode are arranged alternately along a direction.
    Type: Application
    Filed: December 10, 2018
    Publication date: February 27, 2020
    Applicant: ILI TECHNOLOGY CORP.
    Inventor: Hu-Chi Chang
  • Patent number: 10572076
    Abstract: A driving circuit for a touch control panel, that selectively operates in a display mode or a touch mode, includes a display data generating circuit and a touch control circuit. When the driving circuit operates in the display mode, the display data generating circuit transmits display data to multiple data lines of a pixel array of the touch display panel. When the driving circuit operates in the touch mode, the touch control circuit transmits a touch driving signal to the multiple data lines, and performs touch detection by detecting capacitance changes on the multiple data lines.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: February 25, 2020
    Assignee: ILI TECHNOLOGY CORP.
    Inventor: Kai-Ting Ho
  • Patent number: 10534492
    Abstract: The present invention provides a mutual capacitive touch panel including a first conductive layer and a second conductive layer. The first conductive layer includes a plurality of electrodes arranged in an array and a plurality of connecting line segments. In each column of the array, the electrodes in the ((N×M)-1)th row are electrically connected to one another through some of the connecting line segments to form a first electrode series, and the electrodes in the (N×M)th row are electrically connected to one another through some of the connecting line segments to form a second electrode series. The second conductive layer includes a plurality of electrode strips extending along a row direction of the array and respectively overlapping the electrodes located at the corresponding row. Each electrode strip includes a plurality of shielding portions, each of which overlaps one corresponding of the connecting line segments.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: January 14, 2020
    Assignee: ILI TECHNOLOGY CORP.
    Inventors: Cheng-Hsien Hsu, Guo-Kiang Hung, Wei-Lun Kuo, Yu-Tsung Chen
  • Patent number: 10497098
    Abstract: A display apparatus and an image processing method thereof are provided. The display apparatus includes a display panel and a processor. The display panel has at least one arc-shape. The processor is configured to: receive position and shape information of the arc-shape of the display panel; adjust a display data according to the position and shape information to generate an adjusted display data, set an anti-aliasing block with a plurality of weighting values; scan the adjusted display data by the anti-aliasing block, and find at least one first weighting value and at least one second weighting value corresponding to a first gray level and a second gray level; operate an arithmetic operation by a grey level of a scanned pixel or a scanned sub-pixel with the first or second weighting value, and adjust the grey level of the scanned pixel or the scanned sub-pixel according to an operation result.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: December 3, 2019
    Assignee: ILI TECHNOLOGY CORP.
    Inventor: Jung-Chung Hsu
  • Patent number: 10481710
    Abstract: A touch display apparatus capable of fingerprint recognition includes a display panel, a cover plate, a touch sensing electrode set and a fingerprint recognition electrode set. The display panel includes a first surface. The cover plate covers the first surface of the display panel, and includes a second surface facing the first surface of the display panel. The touch sensing electrode set is disposed between the display panel and the cover plate. The fingerprint recognition electrode set is directly formed on the first surface of the display panel or the second surface of the cover plate. The cover plate further covers the fingerprint recognition electrode set.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: November 19, 2019
    Assignee: ILI TECHNOLOGY CORP.
    Inventor: Tzu Wei Liu
  • Patent number: 10452215
    Abstract: A touch display device with a force sensing function is provided. The touch display device includes a touch display panel, a backlight circuit and a force sensor. The backlight circuit is disposed on a back surface of the touch display panel. The force sensor includes a first conductive layer, a second conductive layer, an insulation layer and a third conductive layer. The first conductive layer is disposed between the touch display panel and the backlight circuit, the second conductive layer is disposed between the first conductive layer and the backlight circuit, and the insulation layer is disposed between the first conductive layer and the second conductive layer. The backlight circuit is disposed between the second conductive layer and the third conductive layer. The first conductive layer, the second conductive layer and the third conductive layer are electrically insulated from one another.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: October 22, 2019
    Assignee: ILI TECHNOLOGY CORP.
    Inventor: Hu-Chi Chang
  • Publication number: 20190279600
    Abstract: A driving method of a touch display device is provided. In a first display period of a first frame time, m gate signals are sequentially provided to first to mth gate lines, respectively, wherein m is a positive integer. In a first touch control period of the first frame time immediately following the first display period, a touch driving signal is provided to a touch sensor. In another first display period of a second frame time immediately following the first frame time, p gate signals are sequentially provided to the first to gate lines, pth respectively, where p is a positive integer and is different from m. In another first touch period of the second frame time immediately following the another first display period, the touch driving signal is provided to the touch sensor.
    Type: Application
    Filed: August 7, 2018
    Publication date: September 12, 2019
    Applicant: ILI TECHNOLOGY CORP.
    Inventors: Ping-Yu CHAN, Chi Kang LIU, Kai-Ting HO
  • Patent number: 10387705
    Abstract: A fingerprint identification electrode includes a first conductive layer, a second conductive layer, and an insulating layer between the first conductive layer and the second conductive layer. The first conductive layer includes a plurality of first touch electrode strips. The second conductive layer includes a plurality of second touch electrode strips and a plurality of dummy electrodes. The first touch electrode strips and the second touch electrode strips intersect. The second touch electrode strips are separated from the dummy electrodes. A part of each of the first touch electrode strips that is located between any two adjacent second electrode strips overlaps at least one of the dummy electrodes.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 20, 2019
    Assignee: ILI TECHNOLOGY CORP.
    Inventor: Tzu Wei Liu
  • Patent number: 10372273
    Abstract: A self-capacitive touch device includes a transparent substrate, multiple sensing electrodes and multiple trace lines. The sensing electrodes are alternately disposed on the transparent substrate, and each of the sensing units has a polygonal planar contour having M sides, where M is a positive integer equal to or greater than 4. A side of each of the sensing electrodes corresponds to sides of at least two of the remaining sensing electrodes. The trace lines are electrically connected to the sensing electrodes in a way that a part of segments of the trace lines are disposed in an active region of the self-capacitive touch device.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: August 6, 2019
    Assignee: ILI TECHNOLOGY CORP.
    Inventors: Peng-Yun Ding, Ping-Hwan Lee
  • Publication number: 20190220114
    Abstract: A mutual capacitive touch panel includes a first electrode layer and a second electrode layer. The first electrode layer includes a plurality of electrode groups and a plurality of electrode groups arranged in an array. The first electrode groups located at the same column are electrically connected to a form a first electrode series, and the second electrode groups located at the same column are electrically connected to form a second electrode series. The second electrode layer includes a plurality of electrode strip groups insulated from one another and sequentially arranged along a column direction of the array, wherein each of the electrode strip groups extends along a row direction of the array and overlaps, a perpendicular projection direction, electrode groups of two adjacent rows, and two adjacent of the electrode strip groups overlap, in the perpendicular projection direction, the electrode groups of the same row.
    Type: Application
    Filed: November 23, 2018
    Publication date: July 18, 2019
    Applicant: ILI TECHNOLOGY CORP.
    Inventors: Cheng-Shian Shu, Guo-Kiang Hung, Ching-Chun Chiang, Wei-Lun Kuo, Peng-Yun Ding