Patents by Inventor Wen-Tsai Hsu
Wen-Tsai Hsu 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).
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Publication number: 20210082331Abstract: The disclosure provides an electronic device including a panel. The panel includes a display area, a first peripheral area and a plurality of driving units. The display area includes a plurality of odd-numbered gate lines and a plurality of even-numbered gate lines. The first peripheral area is disposed adjacent to the display area. The driving units are disposed in the first peripheral area and include a first driving unit group and a second driving unit group. The first driving unit group includes N driving units which correspond to N gate lines among first 2N of the odd-numbered gate lines or to N gate lines among first 2N of the even-numbered gate lines, wherein N is a positive integer greater than 1. The second driving unit group is disposed adjacent to the first driving unit group and includes 2P driving units which respectively correspond to P odd-numbered gate lines and P even-numbered gate lines.Type: ApplicationFiled: August 27, 2020Publication date: March 18, 2021Applicant: Innolux CorporationInventors: Chun-Fu Wu, Wen-Tsai Hsu, Sheng-Feng Huang
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Patent number: 10852867Abstract: A touch display device at least including a gate driver is provided. The gate driver at least includes a pull-up control circuit, a pull-down control circuit and a pull-up output circuit. The pull-up control circuit sets the voltage level of a first node to a first voltage level. The pull-down control circuit is configured to set the voltage level of the first node to a second voltage level and includes a first transistor receiving an operation voltage. The second voltage level is lower than the first voltage level. The pull-up output circuit generates a scan signal according to the voltage level of the first node. During a first display period and a second display period, the operation voltage is equal to a first gate voltage. During a touch-sensing period, the operation voltage is equal to a second gate voltage that is lower than the first gate voltage.Type: GrantFiled: October 3, 2018Date of Patent: December 1, 2020Assignee: INNOLUX CORPORATIONInventors: Chun-Fu Wu, Wei-Kuang Lien, Wen-Tsai Hsu, Sheng-Feng Huang
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Patent number: 10770017Abstract: A display device including a panel having a gate driver is provided. The gate driver includes a multi-stage shift register. The N-th stage shift register includes a control module, a leakage compensation module, and an output module. The control module has a first terminal for receiving a first signal from the (N?M)-th stage shift register and a second terminal electrically connected to a node for transmitting a first signal to the node. The leakage compensation module has a third terminal electrically connected to the compensation voltage and a fourth terminal electrically connected to the node. The output module has a fifth terminal electrically connected to the node for receiving the first signal, and a sixth terminal for outputting a second signal of the N-th stage shift register for driving at least some parts of the pixel array. The compensation voltage charges the node during a touch sensing period.Type: GrantFiled: January 17, 2019Date of Patent: September 8, 2020Assignee: INNOLUX CORPORATIONInventors: Chun-Fu Wu, Wen-Tsai Hsu, Sheng-Feng Huang
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Patent number: 10488961Abstract: The invention provides a gate driving circuit for an in-cell touch panel to improve the issue wherein the undesired falling time of a pre-stage shift register and the undesired rising time of a next-stage shift register during a touch sensing period, in which the undesired falling time and the undesired rising time are caused by the output signal of the shift register cannot be correctly transmitted to the pre-stage shift register and the next-stage shift register during the touch sensing period.Type: GrantFiled: July 15, 2016Date of Patent: November 26, 2019Assignee: INNOLUX CORPORATIONInventors: Chun-Fu Wu, Wen-Tsai Hsu, Chien-Hsueh Chiang, Wei-Kuang Lien
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Publication number: 20190244578Abstract: A display device including a panel having a gate driver is provided. The gate driver includes a multi-stage shift register. The N-th stage shift register includes a control module, a leakage compensation module, and an output module. The control module has a first terminal for receiving a first signal from the (N?M)-th stage shift register and a second terminal electrically connected to a node for transmitting a first signal to the node. The leakage compensation module has a third terminal electrically connected to the compensation voltage and a fourth terminal electrically connected to the node. The output module has a fifth terminal electrically connected to the node for receiving the first signal, and a sixth terminal for outputting a second signal of the N-th stage shift register for driving at least some parts of the pixel array. The compensation voltage charges the node during a touch sensing period.Type: ApplicationFiled: January 17, 2019Publication date: August 8, 2019Inventors: Chun-Fu WU, Wen-Tsai HSU, Sheng-Feng HUANG
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Patent number: 10268293Abstract: A gate driving circuit includes a plurality of shift registers arranged to output the gate driving signals in sequence. The shift registers are divided into groups arranged in sequence, wherein the driving signal from a first one of a N+1th group of shift registers is next to the driving signal from a first one of a Nth group of shift registers; and at least one first compensation circuit connected to the last one of the Nth group of shift registers and the first one of the N+1th group of shift registers, wherein the first compensation circuit provides a first control signal to enable the last one of the Nth group of shift registers to perform signal holding, and provides a second control signal to enable the first one of the N+1th group of shift registers to perform pre-charging, wherein N is an integer greater than zero.Type: GrantFiled: June 23, 2016Date of Patent: April 23, 2019Assignee: INNOLUX CORPORATIONInventors: Wen-Tsai Hsu, Wei-Kuang Lien
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Publication number: 20190114013Abstract: A touch display device at least including a gate driver is provided. The gate driver at least includes a pull-up control circuit, a pull-down control circuit and a pull-up output circuit. The pull-up control circuit sets the voltage level of a first node to a first voltage level. The pull-down control circuit is configured to set the voltage level of the first node to a second voltage level and includes a first transistor receiving an operation voltage. The second voltage level is lower than the first voltage level. The pull-up output circuit generates a scan signal according to the voltage level of the first node. During a first display period and a second display period, the operation voltage is equal to a first gate voltage. During a touch-sensing period, the operation voltage is equal to a second gate voltage that is lower than the first gate voltage.Type: ApplicationFiled: October 3, 2018Publication date: April 18, 2019Inventors: Chun-Fu WU, Wei-Kuang LIEN, Wen-Tsai HSU, Sheng-Feng HUANG
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Publication number: 20170075129Abstract: An anti-shake lens driving device includes a cover, a base, a movable part, a spring member, four upper magnets, four lower magnets, four driving coils and a circuit board. The cover has a through hole. The base is sleeved by the cover to form a central accommodation room. The movable part performs image-capturing through the through hole. The spring member is mounted exteriorly to the movable part to elastically fix the movable part inside the accommodation room. The upper magnets located above the spring member circle evenly the movable part. The lower magnets located below the spring member in a one-to-one matching manner with respect to the upper magnets circle evenly the movable part. The driving coils positioned individually corresponding to the upper/lower magnets circle evenly the movable part in a rectangle formation. The circuit board includes a circuit loop and electrically couples the driving coils.Type: ApplicationFiled: September 13, 2016Publication date: March 16, 2017Applicant: PowerGate Optical Inc.Inventors: Wen Tsai Hsu, Ying Chun Huang, Chuan Yu Hsu
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Publication number: 20170017326Abstract: The invention provides a gate driving circuit for an in-cell touch panel to improve the issue wherein the undesired falling time of a pre-stage shift register and the undesired rising time of a next-stage shift register during a touch sensing period, in which the undesired falling time and the undesired rising time are caused by the output signal of the shift register cannot be correctly transmitted to the pre-stage shift register and the next-stage shift register during the touch sensing period.Type: ApplicationFiled: July 15, 2016Publication date: January 19, 2017Inventors: Chun-Fu WU, Wen-Tsai HSU, Chien-Hsueh CHIANG, Wei-Kuang LIEN
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Publication number: 20160379586Abstract: A gate driving circuit includes a plurality of shift registers connected in series. The shift registers include a plurality of output shift registers and X groups of dummy shift registers. The output shift registers output the gate driving signal to a plurality of gate driving lines of the pixel matrix in sequence. At least one of the X groups of dummy shift registers has J dummy shift registers and is connected between two adjacent output shift registers in the output shift registers, wherein at least one driving signal generated by the group of dummy shift registers is partially overlapped with the gate driving signal generated by the two adjacent output shift registers in a frame, wherein the X groups of dummy shift registers are not connected to the gate driving lines, and X and J are integers greater than zero.Type: ApplicationFiled: June 23, 2016Publication date: December 29, 2016Inventors: Chun-Fu WU, Wen-Tsai HSU, Chien-Hsueh CHIANG
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Publication number: 20160378232Abstract: A gate driving circuit includes a plurality of shift registers arranged to output the gate driving signals in sequence. The shift registers are divided into groups arranged in sequence, wherein the driving signal from a first one of a N+1th group of shift registers is next to the driving signal from a first one of a Nth group of shift registers; and at least one first compensation circuit connected to the last one of the Nth group of shift registers and the first one of the N+1th group of shift registers, wherein the first compensation circuit provides a first control signal to enable the last one of the Nth group of shift registers to perform signal holding, and provides a second control signal to enable the first one of the N+1th group of shift registers to perform pre-charging, wherein N is an integer greater than zero.Type: ApplicationFiled: June 23, 2016Publication date: December 29, 2016Inventors: Wen-Tsai HSU, Wei-Kuang LIEN
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Patent number: 9379697Abstract: This disclosure provides a gate driver circuit in a display. The gate driver circuit includes shift registers configured for receiving clock and start signals and generating a gate signal to drive a row of the pixels, arranged at intersections of the gate lines and the data lines on a panel, each register comprising: a control unit having a clock input, a first voltage input, a second voltage input, and a first output; and a first output unit having a first pull-down TFT electrically connected to one of the first outputs and a gate-driving terminal configured for providing the gate signal; wherein one of the clock signals at the clock input is provided to the first output unit; and a first control signal's period at the first output is longer than the clock signal's period at the clock input and shorter than the period of a frame.Type: GrantFiled: August 20, 2013Date of Patent: June 28, 2016Assignee: INNOLUX CORPORATIONInventors: Wen-Tsai Hsu, Chien-Hsueh Chiang
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Publication number: 20160178867Abstract: A micro lens-driving apparatus includes an upper cover, a base, a shell frame, a lens module, a plate spring, at least one movable magnet and a coil ring. The upper cover is a hollow cover frame. The base engages the upper cover to form an internal accommodation room. The shell frame ensures the engagement of the upper cover and the base by sleeving. The lens module is located inside the accommodation room. The plate spring adhered to the base is located between the upper cover and the base for elastically restraining linear motion of the lens module. The movable magnet is mounted outside to the lens module. The coil ring is located inside the base peripheral to the accommodation room at a place respective to the movable magnet. The plate spring is adhered into the engagement cavities through a shock-absorbing glue so as to serve anti-shock upon the lens module.Type: ApplicationFiled: November 24, 2015Publication date: June 23, 2016Applicant: PowerGate Optical Inc.Inventors: YING CHUN HUANG, WEN TSAI HSU, YU CHIA CHEN, CHUANYU HSU
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Publication number: 20140055442Abstract: This disclosure provides a gate driver circuit in a display. The gate driver circuit includes shift registers configured for receiving clock and start signals and generating a gate signal to drive a row of the pixels, arranged at intersections of the gate lines and the data lines on a panel, each register comprising: a control unit having a clock input, a first voltage input, a second voltage input, and a first output; and a first output unit having a first pull-down TFT electrically connected to one of the first outputs and a gate-driving terminal configured for providing the gate signal; wherein one of the clock signals at the clock input is provided to the first output unit; and a first control signal's period at the first output is longer than the clock signal's period at the clock input and shorter than the period of a frame.Type: ApplicationFiled: August 20, 2013Publication date: February 27, 2014Applicant: Innolux CorporationInventors: WEN-TSAI HSU, CHIEN-HSUEH CHIANG
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Patent number: 8040621Abstract: A miniature magnetic-levitated lens driving device includes a lid, a casing, a lens module, a plate spring, and a magnetic-levitated module. The lid has a hollow structure and is coupled to the casing. The casing is formed therein with a receiving space. The lens module is provided in the receiving space. The plate spring is fixed between the lid and the casing and configured to resiliently confine the lens module to the receiving space. The magnetic-levitated module is provided in the receiving space and corresponds in position to the lens module. A magnetic repulsive force is produced by and between the magnetic-levitated module and the lens module, and in consequence the lens module is magnetically suspended in the receiving space formed by the lid and the casing, so as to save power, and minimize friction and microparticles.Type: GrantFiled: January 22, 2010Date of Patent: October 18, 2011Assignee: PowerGate Optical Inc.Inventors: Chi Lone Chang, Chuan Yu Hsu, Wen Tsai Hsu, Chi Tai Meng
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Patent number: 7990463Abstract: A multi-stage lens driving device for driving an optical lens so as to perform the functions of zooming and/or focusing comprises: a front cover, a rear cover, a plurality of yokes, a plurality of driving coils, a lens seat, and a plurality of permanent magnets. The front cover is a hollow annular cover having a plurality of recesses formed on an inner periphery thereof and a plurality of holders on an outer periphery thereof. The rear cover can be combined with the front cover, thereby forming a receiving space therebetween. The lens seat is a hollow housing disposed in the receiving space. The yokes are provided in the recesses formed on the inner periphery of the front cover. The permanent magnets are surrounding and embedded in an outer periphery of the lens seat, disposed in correspondence to the yokes and spaced therefrom by a predetermined distance. The driving coils are provided respectively on the holders of the front cover, and correspond respectively to the yokes received in the recesses.Type: GrantFiled: February 5, 2008Date of Patent: August 2, 2011Inventors: Wen Jen Ho, Chi Lone Chang, Wen Tsai Hsu
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Publication number: 20100195223Abstract: A miniature magnetic-levitated lens driving device includes a lid, a casing, a lens module, a plate spring, and a magnetic-levitated module. The lid has a hollow structure and is coupled to the casing. The casing is formed therein with a receiving space. The lens module is provided in the receiving space. The plate spring is fixed between the lid and the casing and configured to resiliently confine the lens module to the receiving space. The magnetic-levitated module is provided in the receiving space and corresponds in position to the lens module. A magnetic repulsive force is produced by and between the magnetic-levitated module and the lens module, and in consequence the lens module is magnetically suspended in the receiving space formed by the lid and the casing, so as to save power, and minimize friction and microparticles.Type: ApplicationFiled: January 22, 2010Publication date: August 5, 2010Inventors: Chi Lone Chang, Chuan Yu Hsu, Wen Tsai Hsu, Chi Tai Meng
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Publication number: 20090196150Abstract: A multi-stage lens driving device for driving an optical lens so as to perform the functions of zooming and/or focusing comprises: a front cover, a rear cover, a plurality of yokes, a plurality of driving coils, a lens seat, and a plurality of permanent magnets. The front cover is a hollow annular cover having a plurality of recesses formed on an inner periphery thereof and a plurality of holders on an outer periphery thereof. The rear cover can be combined with the front cover, thereby forming a receiving space therebetween. The lens seat is a hollow housing disposed in the receiving space. The yokes are provided in the recesses formed on the inner periphery of the front cover. The permanent magnets are surrounding and embedded in an outer periphery of the lens seat, disposed in correspondence to the yokes and spaced therefrom by a predetermined distance. The driving coils are provided respectively on the holders of the front cover, and correspond respectively to the yokes received in the recesses.Type: ApplicationFiled: February 5, 2008Publication date: August 6, 2009Inventors: Wen Jen Ho, Chi Lone Chang, Wen Tsai Hsu
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Patent number: 7551374Abstract: A suspension apparatus comprises a lens holder, a suspension spring and a supporting base. The supporting base is formed with an opening for accommodating the lens holder. The lens holder is for positioning a lens unit. The suspension spring is manufactured by stamping process to form a long strip with a plurality of suspension springs. The strip is then guided into a mold, and plastic injection molding process is performed in that mold so as to produce the lens holder and supporting base affixed respectively to either end of the suspension spring in one piece. After that, excess material of the strip is cut off. The suspension apparatus as above described is suitable for mass production. In addition, because of the high precision of mold, the inaccuracy of assembly and fabrication is minimized. The volume of the whole apparatus and the cost of production are also vastly decreased.Type: GrantFiled: October 31, 2006Date of Patent: June 23, 2009Inventors: Chi Lone Chang, Wen Tsai Hsu
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Patent number: 7158316Abstract: A suspension apparatus comprises a lens holder, a suspension spring and a supporting base. The supporting base is formed with an opening for accommodating the lens holder. The lens holder is for positioning a lens unit. The suspension spring is manufactured by stamping process to form a long strip with a plurality of suspension springs. The strip is then guided into a mold, and plastic injection molding process is performed in that mold so as to produce the lens holder and supporting base affixed respectively to either end of the suspension spring in one piece. After that, excess material of the strip is cut off. The suspension apparatus as above described is suitable for mass production. In addition, because of the high precision of mold, the inaccuracy of assembly and fabrication is minimized. The volume of the whole apparatus and the cost of production are also vastly decreased.Type: GrantFiled: August 5, 2005Date of Patent: January 2, 2007Assignee: PowerGate Optical Inc.Inventors: Chi Lone Chang, Wen Tsai Hsu