Patents by Inventor Li-Lin Liu

Li-Lin Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210280973
    Abstract: The disclosure provides an antenna structure, including at least one supporting module, a first antenna, and a second antenna. The first antenna is disposed on the at least one supporting module and includes a first feeding point and a first zero-current zone. The first antenna is connected to a ground plane. The second antenna is disposed on the at least one supporting module and includes a second feeding point and a second zero-current zone. The second antenna is connected to the ground plane. The first feeding point of the first antenna is disposed in the second zero-current zone of the second antenna, and the second feeding point of the second antenna is disposed in the first zero-current zone of the first antenna.
    Type: Application
    Filed: August 17, 2020
    Publication date: September 9, 2021
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Chun-Cheng Chan, Shih-Chia Liu, Yen-Hao Yu, Li-Chun Lee, Chao-Lin Wu, Jui-Hung Lai, Chih-Heng Lin
  • Publication number: 20200241662
    Abstract: A touch system includes channel electrodes that are mapped to touch pixels such that a number of the channel electrodes in each dimension is lower than a number of the touch pixels in said dimension. In one embodiment, each channel electrode has different adjacent channel electrodes at different positions of the mapped touch pixel. In another embodiment, each touch pixel in said dimension is laterally extended to at least one adjacent touch pixel in said dimension. In a further embodiment, original sensing channel electrodes and mirrored sensing channel electrodes are alternately corresponded to the driving channel electrodes.
    Type: Application
    Filed: January 24, 2019
    Publication date: July 30, 2020
    Inventors: Cheng-Hung Tsai, Chin-Yuan Chiang, Wai-Pan Wu, Li-Lin Liu, Shen-Feng Tai
  • Patent number: 10521060
    Abstract: A reflected-capacitive touch panel of a wearable electronic device includes a center touch sensing portion composed of a plurality of mutual-capacitance sensors; a border touch sensing portion composed of a plurality of hybrid self-capacitance and mutual-capacitance sensors; and a predetermined bonding area into which channels of the center touch sensing portion and the border touch sensing portion are routed.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: December 31, 2019
    Assignee: Himax Technologies Limited
    Inventors: Cheng-Hung Tsai, Yao-Mao Liu, Wen-Juan Li, Jyun-Yan Liu, Li-Lin Liu, Jui-Ni Li, Wai-Pan Wu, Shen-Feng Tai
  • Publication number: 20190073053
    Abstract: A reflected-capacitive touch panel of a wearable electronic device includes a center touch sensing portion composed of a plurality of mutual-capacitance sensors; a border touch sensing portion composed of a plurality of hybrid self-capacitance and mutual-capacitance sensors; and a predetermined bonding area into which channels of the center touch sensing portion and the border touch sensing portion are routed.
    Type: Application
    Filed: December 29, 2017
    Publication date: March 7, 2019
    Inventors: Cheng-Hung Tsai, Yao-Mao Liu, Wen-Juan Li, Jyun-Yan Liu, Li-Lin Liu, Jui-Ni Li, Wai-Pan Wu, Shen-Feng Tai
  • Patent number: 10067552
    Abstract: A touch controller apparatus configured to sense a gesture performed on an electronic device is provided. The touch controller apparatus includes a touch controller, a system controller, an accelerator sensor, and a proximity sensor. The touch controller is configured to operate in a smart idle mode. The system controller, the accelerator sensor and the proximity sensor are configured to operate in a deep sleep mode. The gesture wakes up the touch controller, and the touch controller wakes up the system controller. The system controller wakes up the accelerator sensor and the proximity sensor to generate a sensing data. The system controller controls the electronic device to change from the smart idle mode to a normal mode according to the sensing data. Furthermore, a method for waking up an electronic device is also provided.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: September 4, 2018
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Po-Yuan Chang, Li-Lin Liu
  • Patent number: 9582109
    Abstract: A method for detecting noise of a touch panel and performing signal control is provided, where the method may determine how many cycles of frame data are influenced by noise, may determine whether the frame data is influenced by noise by determining whether a number of cycles influenced by noise is greater than a first threshold value or not, and may determine whether a number of continuous frame data determined to be influenced by noise is greater than a second threshold value to generate a determination result. Finally, the method may determine whether to adjust a frequency of the transmitting signals according to the determination result.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: February 28, 2017
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai, Jui-Min Liu
  • Publication number: 20170010653
    Abstract: A touch controller apparatus configured to sense a gesture performed on an electronic device is provided. The touch controller apparatus includes a touch controller, a system controller, an accelerator sensor, and a proximity sensor. The touch controller is configured to operate in a smart idle mode. The system controller, the accelerator sensor and the proximity sensor are configured to operate in a deep sleep mode. The gesture wakes up the touch controller, and the touch controller wakes up the system controller. The system controller wakes up the accelerator sensor and the proximity sensor to generate a sensing data. The system controller controls the electronic device to change from the smart idle mode to a normal mode according to the sensing data. Furthermore, a method for waking up an electronic device is also provided.
    Type: Application
    Filed: July 6, 2015
    Publication date: January 12, 2017
    Inventors: Po-Yuan Chang, Li-Lin Liu
  • Patent number: 9310945
    Abstract: A touch-sensing display device comprises a plurality of row electrodes and column electrodes, a capacitance detector, detecting first capacitance-variation values of the row electrodes and second capacitance-variation values of the column electrodes, and detecting third capacitance-variation values of each intersection of the row electrodes and the column electrodes. The processor counts the first number of the first and second capacitance-variation values, exceeding a first threshold, counts the second number of the first and second capacitance-variation values up to a maximum capacitor-variation value, and counts the third number of the third capacitance values, exceeding a second threshold. The processor makes the touch-sensing display device enter a bending mode when the first and second numbers are over a first predetermined number and a second predetermined number respectively, and the third number is below the first number.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: April 12, 2016
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai
  • Patent number: 9262009
    Abstract: A touch device and method for detecting a touch point thereof are provided. The method includes: detecting a plurality of first touch values, second touch values and third touch values corresponding to a plurality of touch regions of a touch panel, respectively, during a first frame period, a second frame period and a third frame period; performing a value obtaining operation to output a median of the first touch value, the second touch value and the third touch value to which each of the touch regions correspond; and determining a real touch point according a touch threshold and the first touch values, the second touch values and the third touch values outputted by the value obtaining operation.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: February 16, 2016
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai
  • Patent number: 9244579
    Abstract: A touch display apparatus and a touch mode switching method thereof are provided. A touch mode of a touch panel is switched according to a touch track and a touch area of an input tool.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: January 26, 2016
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Li-Lin Liu, Shen-Feng Tai, Chung-Wen Chang, Jui-Min Liu
  • Patent number: 9104265
    Abstract: A touch device and an operating method thereof are provided. The operating method includes the following steps. A plurality of data baseline values of the touch panel is calibrated and set during an initialization of a touch panel. A plurality of touch data is obtained after scanning the touch panel. A plurality of touch values corresponding to the touch panel is calculated according to the data baseline values and the touch data. A touch point is detected according to the touch values. When the touch data is complied with a re-calibration requirement, the data baseline values are re-calibrated and reset.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: August 11, 2015
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai
  • Publication number: 20150169102
    Abstract: A touch display apparatus and a touch mode switching method thereof are provided. A touch mode of a touch panel is switched according to a touch track and a touch area of an input tool.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 18, 2015
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Li-Lin Liu, Shen-Feng Tai, Chung-Wen Chang, Jui-Min Liu
  • Publication number: 20150103031
    Abstract: A touch-sensing display device comprises a plurality of row electrodes and column electrodes, a capacitance detector, detecting first capacitance-variation values of the row electrodes and second capacitance-variation values of the column electrodes, and detecting third capacitance-variation values of each intersection of the row electrodes and the column electrodes. The processor counts the first number of the first and second capacitance-variation values, exceeding a first threshold, counts the second number of the first and second capacitance-variation values up to a maximum capacitor-variation value, and counts the third number of the third capacitance values, exceeding a second threshold. The processor makes the touch-sensing display device enter a bending mode when the first and second numbers are over a first predetermined number and a second predetermined number respectively, and the third number is below the first number.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 16, 2015
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai
  • Publication number: 20150091814
    Abstract: A method for detecting noise of a touch panel and performing signal control is provided, where the method may determine how many cycles of frame data are influenced by noise, may determine whether the frame data is influenced by noise by determining whether a number of cycles influenced by noise is greater than a first threshold value or not, and may determine whether a number of continuous frame data determined to be influenced by noise is greater than a second threshold value to generate a determination result. Finally, the method may determine whether to adjust a frequency of the transmitting signals according to the determination result.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 2, 2015
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai, Jui-Min Liu
  • Patent number: 8988378
    Abstract: A touch device and a driving method thereof are provided. A scanning line driving frequency of the touch device is switched according to a plurality of preset driving frequency setting data groups, so as to prevent misjudgment of a touched position caused by electromagnetic noise.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: March 24, 2015
    Assignee: Himax Technologies Limited
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai
  • Publication number: 20150042596
    Abstract: A touch panel capable of performing proximity function is disclosed. A voltage is applied to column electrode or row electrode during a self scan cycle, and a capacitive object close to a surface of the touch panel is measured on the same column electrode or row electrode. A voltage is applied to one axis during a mutual scan cycle, and a capacitive object close to the surface of the touch panel is measured on the other axis.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 12, 2015
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Chung-Wen Chang, Shen-Feng Tai, Jui-Min Liu, Li-Lin Liu
  • Patent number: 8902186
    Abstract: A touch display apparatus and a touch position mapping method thereof are provided, by mapping a touch position detected by a touch module to a display area of a display module according to one fitting function, so that a touch position on the display area of the display module may be determined according to a mapping result.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: December 2, 2014
    Assignee: Himax Technologies Limited
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai
  • Publication number: 20140347314
    Abstract: A method of detecting a touch force capable of detecting a touch force applied to a touch panel by an object is provided. The method of detecting a touch force comprises following steps. The touch panel is provided. A relation between a sensing capacitance of the touch panel and the touch force is built. The object touches the touch panel, and a detecting sensing capacitance of the touch panel is obtained. A detecting result is obtained according the relation and the detecting sensing capacitance. Moreover, a detector is also provided.
    Type: Application
    Filed: October 28, 2013
    Publication date: November 27, 2014
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jui-Min Liu, Chin-Lin Lee, Li-Lin Liu, Shen-Feng Tai
  • Publication number: 20140145965
    Abstract: A touch device and a driving method of the touch panel thereof are provided. By randomly driving the scan lines and performing a spatial filtering to the count values corresponding to the voltage noise, a circumstance of a touch position misjudgement caused by voltage noise may be improved.
    Type: Application
    Filed: November 27, 2012
    Publication date: May 29, 2014
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai
  • Publication number: 20140145964
    Abstract: A touch display apparatus and a touch position mapping method thereof are provided, by mapping a touch position detected by a touch module to a display area of a display module according to one fitting function, so that a touch position on the display area of the display module may be determined according to a mapping result.
    Type: Application
    Filed: November 26, 2012
    Publication date: May 29, 2014
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventors: Jui-Ming Liu, Li-Lin Liu, Chung-Wen Chang, Shen-Feng Tai