Patents Assigned to ILI Technology Corp.
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Publication number: 20260118995Abstract: A capacitive touch display device and a wake-up method thereof are provided. A touch display panel is controlled to adjust a touch sensing scanning frequency for sensing a first touch tool or a frequency of a downlink signal of a second touch tool to enable the touch display panel to sense touch operations of the first touch tool and the second touch tool within a preset frequency range including the touch sensing scanning frequency. During a touch sensing period, the touch display panel is controlled to simultaneously sense the touch operations of the first touch tool and the second touch tool. In response to a touch operation being sensed by the touch display panel during the touch sensing period, the capacitive touch display device is woken up and enters a normal mode.Type: ApplicationFiled: December 10, 2024Publication date: April 30, 2026Applicant: ILI TECHNOLOGY CORP.Inventor: Chun-Yu Jiang
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Patent number: 12608098Abstract: A driving device and a method for generating a driving voltage are provided. The method for generating the driving voltage is applicable to a driving device of a touch panel. The method includes: generating multiple different reference voltages; providing a voltage selector to select and output each of the reference voltages in each of multiple time intervals to generate a driving voltage; and setting a time length for each of the time intervals according to whether a signal power of the driving device is greater than a set value.Type: GrantFiled: November 13, 2024Date of Patent: April 21, 2026Assignee: ILI TECHNOLOGY CORP.Inventors: Chuan-Chi Fan, Jung-Kuei Hsu, Yung-Fu Lin, Wen-Ger Wong, Chia-Chun Hsu, Cheng-Chung Hsu
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Patent number: 12530098Abstract: A touch panel and an operating method for the touch panel are provided. The touch panel includes touch areas and a sensing circuit. In a power saving mode, adjacent touch areas among the touch areas receive touch drive signals with different frequencies. At least two non-adjacent touch areas have the same frequency and different phases. The touch panel sends touch drive signals to the touch areas simultaneously within a time interval. The sensing circuit receives touch sensing signals from the touch areas in the power saving mode, and determines whether the touch panel is touched according to at least one of the touch sensing signals. The touch panel is controlled to enter a normal mode in response to the touch panel being touched.Type: GrantFiled: December 24, 2024Date of Patent: January 20, 2026Assignee: ILI TECHNOLOGY CORP.Inventors: Wen-Ger Wong, Yung-Fu Lin, Jung-Kuei Hsu, Chuan-Chi Fan, Chia-Chun Hsu, Cheng-Chung Hsu
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Patent number: 12504849Abstract: Provided is a touch driving method for a touch display device. The touch display device includes a display panel and a touch panel. The touch panel is disposed on the display panel. The touch panel includes a first driving electrode and a second driving electrode. The touch driving method includes: a first touch driving signal is provided to the first driving electrode, and a second touch driving signal is provided to the second driving electrode; a sum of a voltage value of the first touch driving signal and a voltage value of the second touch driving signal is adjusted to continue to be equal to a set voltage value in a mutual-capacitance sensing stage of a mutual-capacitance sensing mode; and the first touch driving signal and the second touch driving signal are adjusted to be a third touch driving signal in a self-capacitance sensing stage of a self-capacitance sensing mode.Type: GrantFiled: December 25, 2024Date of Patent: December 23, 2025Assignee: ILI TECHNOLOGY CORP.Inventors: Chuan-Chi Fan, Yung-Fu Lin, Jung-Kuei Hsu, Wen-Ger Wong, Chia-Chun Hsu, Cheng-Chung Hsu, Po-Yuan Wang, Kai-Wei Shiau, Hsin-Mao Huang
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Publication number: 20250328206Abstract: Provided is a touch driving method for a touch display device. The touch display device includes a display panel and a touch panel. The touch panel is disposed on the display panel. The touch panel includes a first driving electrode and a second driving electrode. The touch driving method includes: a first touch driving signal is provided to the first driving electrode, and a second touch driving signal is provided to the second driving electrode; a sum of a voltage value of the first touch driving signal and a voltage value of the second touch driving signal is adjusted to continue to be equal to a set voltage value in a mutual-capacitance sensing stage of a mutual-capacitance sensing mode; and the first touch driving signal and the second touch driving signal are adjusted to be a third touch driving signal in a self-capacitance sensing stage of a self-capacitance sensing mode.Type: ApplicationFiled: December 25, 2024Publication date: October 23, 2025Applicant: ILI TECHNOLOGY CORP.Inventors: Chuan-Chi Fan, Yung-Fu Lin, Jung-Kuei Hsu, Wen-Ger Wong, Chia-Chun Hsu, Cheng-Chung Hsu, Po-Yuan Wang, Kai-Wei Shiau, Hsin-Mao Huang
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Publication number: 20250298482Abstract: A touch panel and an operating method for the touch panel are provided. The touch panel includes touch areas and a sensing circuit. In a power saving mode, adjacent touch areas among the touch areas receive touch drive signals with different frequencies. At least two non-adjacent touch areas have the same frequency and different phases. The touch panel sends touch drive signals to the touch areas simultaneously within a time interval. The sensing circuit receives touch sensing signals from the touch areas in the power saving mode, and determines whether the touch panel is touched according to at least one of the touch sensing signals. The touch panel is controlled to enter a normal mode in response to the touch panel being touched.Type: ApplicationFiled: December 24, 2024Publication date: September 25, 2025Applicant: ILI TECHNOLOGY CORP.Inventors: Wen-Ger Wong, Yung-Fu Lin, Jung-Kuei Hsu, Chuan-Chi Fan, Chia-Chun Hsu, Cheng-Chung Hsu
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Patent number: 12422950Abstract: A touch sensing reading device includes an operation circuit and an adjustment circuit. The operation circuit includes a feedback capacitor, receives a sensing signal through a first input terminal, receives a driving signal through a second input terminal, and feedbacks an output signal via an output terminal through the feedback capacitor and the first input terminal. The adjustment circuit provides an adjustment signal to the first input terminal of the operation circuit, and adjusts the output signal. A first sub-signal in the adjustment signal is set based on the inverted signal of the driving signal. A second sub-signal in the adjustment signal is set based on the inverted signal of the sensing signal.Type: GrantFiled: December 24, 2024Date of Patent: September 23, 2025Assignee: ILI TECHNOLOGY CORP.Inventors: Yung-Fu Lin, Jung-Kuei Hsu, Wen-Ger Wong, Chuan-Chi Fan, Chia-Chun Hsu, Cheng-Chung Hsu
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Publication number: 20250251828Abstract: A touch sensing reading device includes an operation circuit and an adjustment circuit. The operation circuit includes a feedback capacitor, receives a sensing signal through a first input terminal, receives a driving signal through a second input terminal, and feedbacks an output signal via an output terminal through the feedback capacitor and the first input terminal. The adjustment circuit provides an adjustment signal to the first input terminal of the operation circuit, and adjusts the output signal. A first sub-signal in the adjustment signal is set based on the inverted signal of the driving signal. A second sub-signal in the adjustment signal is set based on the inverted signal of the sensing signal.Type: ApplicationFiled: December 24, 2024Publication date: August 7, 2025Applicant: ILI TECHNOLOGY CORP.Inventors: Yung-Fu Lin, Jung-Kuei Hsu, Wen-Ger Wong, Chuan-Chi Fan, Chia-Chun Hsu, Cheng-Chung Hsu
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Publication number: 20250231635Abstract: A driving device and a method for generating a driving voltage are provided. The method for generating the driving voltage is applicable to a driving device of a touch panel. The method includes: generating multiple different reference voltages; providing a voltage selector to select and output each of the reference voltages in each of multiple time intervals to generate a driving voltage; and setting a time length for each of the time intervals according to whether a signal power of the driving device is greater than a set value.Type: ApplicationFiled: November 13, 2024Publication date: July 17, 2025Applicant: ILI TECHNOLOGY CORP.Inventors: Chuan-Chi Fan, Jung-Kuei Hsu, Yung-Fu Lin, Wen-Ger Wong, Chia-Chun Hsu, Cheng-Chung Hsu
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Patent number: 12039125Abstract: A touch system is provided. The touch system includes a touch tool and a touch panel. The touch tool provides a downlink signal. The touch panel obtains a first sensing area sensed with the touch tool, and obtains a second sensing area other than the first sensing area according to the downlink signal. The touch panel provides a first uplink signal to the first sensing area, and provides a second uplink signal to the second sensing area. The first uplink signal is different from the second uplink signal. The touch tool generates a calculated uplink signal according to the first uplink signal and the second uplink signal, and provides the downlink signal according to the calculated uplink signal.Type: GrantFiled: April 17, 2023Date of Patent: July 16, 2024Assignee: ILI TECHNOLOGY CORP.Inventors: Chia-Yu Hung, Chun-Yu Jiang, Yifan Lin, Jui Hua Yeh, Jie-An Chen, Nai Cheng Li, Chi An Jen
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Patent number: 11698690Abstract: 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: GrantFiled: June 29, 2022Date of Patent: July 11, 2023Assignee: ILI Technology Corp.Inventors: Chia-Yu Hung, Yi-Fan Lin
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Patent number: 11609661Abstract: 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: GrantFiled: December 3, 2021Date of Patent: March 21, 2023Assignee: ILI Technology Corp.Inventor: Chia-Yu Hung
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Publication number: 20230051460Abstract: 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: ApplicationFiled: December 3, 2021Publication date: February 16, 2023Applicant: ILI Technology Corp.Inventor: Chia-Yu Hung
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Patent number: 11543901Abstract: 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: GrantFiled: November 5, 2021Date of Patent: January 3, 2023Assignee: ILI TECHNOLOGY CORP.Inventors: Yifan Lin, Chia-Yu Hung
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Patent number: 11500481Abstract: 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: GrantFiled: November 29, 2021Date of Patent: November 15, 2022Assignee: ILI TECHNOLOGY CORP.Inventors: Chia-Yu Hung, Yifan Lin
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Publication number: 20220276727Abstract: 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: ApplicationFiled: November 5, 2021Publication date: September 1, 2022Applicant: ILI TECHNOLOGY CORP.Inventors: Yifan Lin, Chia-Yu Hung
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Patent number: 10782838Abstract: 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: GrantFiled: April 26, 2019Date of Patent: September 22, 2020Assignee: ILI Technology Corp.Inventors: Cheng-Hsien Hsu, Tzu-Wei Liu, Hu-Chi Chang, Pei-Ju Hsieh
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Patent number: 10635249Abstract: 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: GrantFiled: July 9, 2018Date of Patent: April 28, 2020Assignee: ILI TECHNOLOGY CORP.Inventor: Hu-Chi Chang
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Patent number: 10606420Abstract: 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: GrantFiled: July 16, 2015Date of Patent: March 31, 2020Assignee: ILI TECHNOLOGY CORP.Inventors: Chi Kang Liu, Guo-Kiang Hung
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Patent number: 10606427Abstract: 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: GrantFiled: November 23, 2018Date of Patent: March 31, 2020Assignee: ILI TECHNOLOGY CORP.Inventors: Cheng-Hsien Hsu, Guo-Kiang Hung, Ching-Chun Chiang, Wei-Lun Kuo, Peng-Yun Ding