Patents by Inventor Yu-Cheng Pan
Yu-Cheng Pan 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: 20240071981Abstract: A method of fabricating a semiconductor structure includes the following steps. A semiconductor wafer is provided. A plurality of first surface mount components and a plurality of second surface mount components are bonded onto the semiconductor wafer, wherein a first portion of each of the second surface mount components is overhanging a periphery of the semiconductor wafer. A first barrier structure is formed in between the second surface mount components and the semiconductor wafer. An underfill structure is formed under a second portion of each of the second surface mount components, wherein the first barrier structure blocks the spreading of the underfill structure from the second portion to the first portion.Type: ApplicationFiled: November 1, 2023Publication date: February 29, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Mao-Yen Chang, Chih-Wei Lin, Hao-Yi Tsai, Kuo-Lung Pan, Chun-Cheng Lin, Tin-Hao Kuo, Yu-Chia Lai, Chih-Hsuan Tai
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Patent number: 11614810Abstract: The present invention relates to an input device. The input device includes a circuit board, a wheel, a supporting frame, a push button switch and a tilt switch. The wheel has a rotary shaft. The supporting frame includes a body, an extension arm, a first and a second supporting portion. The wheel is pivotally connected to the body by the rotary shaft. The extension arm is disposed at the side edge of the body. The first and second supporting portion are connected to the body, where the second supporting portion is disposed between the rotary shaft and the first supporting portion. The push button switch is corresponding to the body. When the wheel is pressed, the body is driven to trigger the push button switch. The tilt switch is corresponding to the extension arm. When the wheel tilts, the extension arm is driven to trigger the tilt switch.Type: GrantFiled: July 13, 2021Date of Patent: March 28, 2023Assignee: PEGATRON CORPORATIONInventors: Ming-Tse Kao, Yu-Cheng Pan, Tsung-Yueh Yu
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Publication number: 20220342497Abstract: The present invention relates to an input device. The input device includes a circuit board, a wheel, a supporting frame, a push button switch and a tilt switch. The wheel has a rotary shaft. The supporting frame includes a body, an extension arm, a first and a second supporting portion. The wheel is pivotally connected to the body by the rotary shaft. The extension arm is disposed at the side edge of the body. The first and second supporting portion are connected to the body, where the second supporting portion is disposed between the rotary shaft and the first supporting portion. The push button switch is corresponding to the body. When the wheel is pressed, the body is driven to trigger the push button switch. The tilt switch is corresponding to the extension arm. When the wheel tilts, the extension arm is driven to trigger the tilt switch.Type: ApplicationFiled: July 13, 2021Publication date: October 27, 2022Inventors: MING-TSE KAO, YU-CHENG PAN, TSUNG-YUEH YU
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Publication number: 20200411256Abstract: Various arrangements of smart home devices are presented herein. A chassis assembly of a smart home device may define one or more compartments. The chassis assembly may include a plurality of cover fasteners. A rotatable cover assembly may be present and configured to be removably attached with the plurality of cover fasteners to the chassis assembly in any rotational orientation and to at least partially cover a front of the chassis assembly. While the rotatable cover is removably attached with the plurality of cover fasteners, the rotatable cover assembly is configured to block access to the one or more compartments defined by the chassis assembly.Type: ApplicationFiled: June 26, 2018Publication date: December 31, 2020Applicant: Google LLCInventors: Giancarlo Giustina, Yu-Cheng Pan, Peter Privitera, Chang-Wei Wu, Aditya Narayanan, Ssu-Chieh Yu, Bhaveya Dhall, Jungmin Han, Brian Huynh, Sung Bai
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Patent number: 8802028Abstract: A fluid sample collection device for a disk-based fluid separation system is disclosed. The disk-based separation system includes a compact microfluidic disk with at least one flow channel pattern formed on a side surface of the disk. At least one orifice is formed on an outflow boundary of the disk and is designed in fluid communication with the flow channel pattern through a communication channel. The fluid sample collection device includes at least one collection tube having an open end serving as a fluid receiving end and corresponding to the orifice of the disk with a distance. When the disk is rotated, at least a portion of fluid sample in a sample processing reservoir formed on the disk is delivered by centripetal force through the communication channel and the orifice, and finally the expelling fluid sample is collected in the collection tube.Type: GrantFiled: June 28, 2013Date of Patent: August 12, 2014Assignee: National Taiwan UniversityInventors: Andrew Man Chung Wo, Chen-Lin Chen, Cheng-Wei Yang, Yu-Cheng Pan
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Publication number: 20130287648Abstract: A fluid sample collection device for a disk-based fluid separation system is disclosed. The disk-based separation system includes a compact microfluidic disk with at least one flow channel pattern formed on a side surface of the disk. At least one orifice is formed on an outflow boundary of the disk and is designed in fluid communication with the flow channel pattern through a communication channel. The fluid sample collection device includes at least one collection tube having an open end serving as a fluid receiving end and corresponding to the orifice of the disk with a distance. When the disk is rotated, at least a portion of fluid sample in a sample processing reservoir formed on the disk is delivered by centripetal force through the communication channel and the orifice, and finally the expelling fluid sample is collected in the collection tube.Type: ApplicationFiled: June 28, 2013Publication date: October 31, 2013Inventors: ANDREW MAN CHUNG WO, CHEN-LIN CHEN, CHENG WEI YANG, YU-CHENG PAN
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Patent number: 8535541Abstract: Disclosed is a method for separating immunomagnetic bead labeled particulates. A carrier board is formed with at least one flow channel structure, which includes an inner reservoir, an outer reservoir, and at least one micro flow channel in communication with the inner reservoir and the outer reservoir. The method includes labeling target particulates with immunomagnetic bead, introducing a sample fluid into the inner reservoir, and applying a magnetic force and a driving force, wherein the driving force drives the particulates not labeled with immunomagnetic bead to flow through the micro flow channel to the outer reservoir, while the magnetic force attracts the particulates labeled with the immunomagnetic bead to retain in the inner reservoir. The driving force may be centrifugal force, pressure, or surface tension.Type: GrantFiled: August 24, 2010Date of Patent: September 17, 2013Assignee: National Taiwan UniversityInventors: Andrew Man Chung Wo, Yu-Cheng Pan, Ken-Chao Chen, Chen-Lin Chen
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Patent number: 8524169Abstract: A fluid sample collection device for a disk-based fluid separation system is disclosed. The disk-based separation system includes a compact microfluidic disk with at least one flow channel pattern formed on a side surface of the disk. At least one orifice is formed on an outflow boundary of the disk and is designed in fluid communication with the flow channel pattern through a communication channel. The fluid sample collection device includes at least one collection tube having an open end serving as a fluid receiving end and corresponding to the orifice of the disk with a distance. When the disk is rotated, at least a portion of fluid sample in a sample processing reservoir formed on the disk is delivered by centripetal force through the communication channel and the orifice, and finally the expelling fluid sample is collected in the collection tube.Type: GrantFiled: May 10, 2011Date of Patent: September 3, 2013Assignee: National Taiwan UniversityInventors: Andrew Man Chung Wo, Chen-Lin Chen, Cheng-Wei Yang, Yu-Cheng Pan
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Patent number: 8378962Abstract: An LCD backlight driving device with an isolating transformer comprises a DC power supply, a square wave generator, a square wave controller, said isolating transformer and a driver transformer; wherein said isolating transformer has a primary side connected to said square wave generator and a secondary side connected to said driver transformer, since said isolating transformer is placed between said square wave generator and said driver transformer, it helps to effectively shorten a safety distance required for setting up said driver transformer; the present invention uses said isolating transformer to shorten the safety distance required than that of using said driver transformer directly and to decrease an area in implementing a circuit board and to cut cost of said device.Type: GrantFiled: July 8, 2010Date of Patent: February 19, 2013Assignee: Logah Technology Corp.Inventors: Cheng-Chia Hsu, Yu-Cheng Pan, Ho-Wen Chen
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Compact disk based system for separating immunomagnetic bead labeled particulates and method thereof
Patent number: 8226826Abstract: Disclosed is a disk based system for separating at least two types of particulates contained in a sample fluid. The system includes a disk-like carrier board and a magnetic attraction unit. The disk-like carrier board forms at least one flow channel structure, which includes an inner reservoir, at least one separation chamber, and at least one outer reservoir arranged in sequence from a geometric center of the disk-like carrier board to an outer circumferential rim of the disk-like carrier board. A method of separation carried out with the system includes introducing the sample fluid into the inner reservoir and then rotating the disk-like carrier board to induce a centrifugal force. The sample fluid contains particulates that are labeled with immunomagnetic beads and the labeled particulates are attracted by the magnetic force generated by the magnetic attraction unit to retain in the inner reservoir or the separation chamber.Type: GrantFiled: June 25, 2009Date of Patent: July 24, 2012Assignee: National Taiwan UniversityInventors: Andrew M. Wo, Chen-Lin Chen, Ken-Chao Chen, Yu-Cheng Pan -
Publication number: 20120039769Abstract: A fluid sample collection device for a disk-based fluid separation system is disclosed. The disk-based separation system includes a compact microfluidic disk with at least one flow channel pattern formed on a side surface of the disk. At least one orifice is formed on an outflow boundary of the disk and is designed in fluid communication with the flow channel pattern through a communication channel. The fluid sample collection device includes at least one collection tube having an open end serving as a fluid receiving end and corresponding to the orifice of the disk with a distance. When the disk is rotated, at least a portion of fluid sample in a sample processing reservoir formed on the disk is delivered by centripetal force through the communication channel and the orifice, and finally the expelling fluid sample is collected in the collection tube.Type: ApplicationFiled: May 10, 2011Publication date: February 16, 2012Applicant: NATIONAL TAIWAN UNIVERSITYInventors: ANDREW MAN CHUNG WO, CHEN-LIN CHEN, CHENG WEI YANG, YU-CHENG PAN
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Patent number: 8093829Abstract: A lamp driving device with an open voltage control comprises a DC power source, a square wave switch, a square wave controller, an LC resonant circuit, a driver transformer and a current detector; wherein the square wave switch outputs a square wave signal to the LC resonant circuit, the LC resonant circuit converts the square wave signal into a sinusoidal wave signal and outputs the sinusoidal wave signal to the driver transformer, and finally the driver transformer drives the lamp and the current detector is used to detect the operation of the lamp, and, if the lamp is found open-circuit, a PWM control pin will control the square wave controller to stop the operation of the lamp driving device, thereby enhancing safety in using the lamp.Type: GrantFiled: May 28, 2009Date of Patent: January 10, 2012Assignee: Logah Technology Corp.Inventors: Yu-Cheng Pan, Wei-Chun Yeh
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Patent number: 8039249Abstract: Disclosed is a disk based platform for separating and detecting cells that are labeled with immunomagnetic beads. A disk-like carrier board forms therein at least one flow channel structure, which includes an inner reservoir for receiving a sample fluid, an outer reservoir, and a plurality of micro flow channels arranged between and in fluid communication with the inner and outer reservoirs. When the disk-like carrier board spins, cells labeled with immunomagnetic beads are attracted by a magnetic attraction unit that is arranged above the disk-like carrier board and adjacent to the inner reservoir to thereby remain in the inner reservoir, and cells that are not so labeled are acted upon by a centrifugal force induced by the spinning of the disk-like carrier board to flow with the sample fluid from the inner reservoir through the micro flow channels into the outer reservoir.Type: GrantFiled: March 25, 2009Date of Patent: October 18, 2011Assignee: National Taiwan UniversityInventors: Andrew M. Wo, Chen-Lin Chen, Ken-Chao Chen, Yu-Cheng Pan
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Publication number: 20110059500Abstract: Disclosed is a method for separating immunomagnetic bead labeled particulates. A carrier board is formed with at least one flow channel structure, which includes an inner reservoir, an outer reservoir, and at least one micro flow channel in communication with the inner reservoir and the outer reservoir. The method includes labeling target particulates with immunomagnetic bead, introducing a sample fluid into the inner reservoir, and applying a magnetic force and a driving force, wherein the driving force drives the particulates not labeled with immunomagnetic bead to flow through the micro flow channel to the outer reservoir, while the magnetic force attracts the particulates labeled with the immunomagnetic bead to retain in the inner reservoir. The driving force may be centrifugal force, pressure, or surface tension.Type: ApplicationFiled: August 24, 2010Publication date: March 10, 2011Applicant: NATIONAL TAIWAN UNIVERSITYInventors: ANDREW MAN CHUNG WO, YU-CHENG PAN, KEN-CHAO CHEN, CHEN-LIN CHEN
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Patent number: 7884796Abstract: A lamp driving structure for backlight module includes a backlight module implemented for disposing a first circuit board and a second circuit board thereon, the first circuit board couples with the second circuit board through a transmission line; the structure further includes at least a square wave controller, two square wave switches, a mutually coupled transformer, a plurality of driving transformers and a plurality of connectors disposed selectively on the first circuit board and the second circuit board, thereby reducing the number of driving transformers and connectors and the area of circuit boards to further reduce the manufacturing cost of the lamp driving device.Type: GrantFiled: September 10, 2007Date of Patent: February 8, 2011Assignee: Logah Technology Corp.Inventors: Cheng-Chia Hsu, Teng-Kang Chang, Yun-Ching Wu, Yu-Cheng Pan
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Publication number: 20100301763Abstract: A lamp driving device with an open voltage control comprises a DC power source, a square wave switch, a square wave controller, an LC resonant circuit, a driver transformer and a current detector; wherein the square wave switch outputs a square wave signal to the LC resonant circuit, the LC resonant circuit converts the square wave signal into a sinusoidal wave signal and outputs the sinusoidal wave signal to the driver transformer, and finally the driver transformer drives the lamp and the current detector is used to detect the operation of the lamp, and, if the lamp is found open-circuit, a PWM control pin will control the square wave controller to stop the operation of the lamp driving device, thereby enhancing safety in using the lamp.Type: ApplicationFiled: May 28, 2009Publication date: December 2, 2010Applicant: LOGAH TECHNOLOGY CORP.Inventors: Yu-Cheng Pan, Wei-Chun Yeh
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Patent number: 7834559Abstract: Disclosed is an improved lamp circuit of a liquid crystal device (LCD) backlight source, comprising a printed circuit board (PCB) for lamp initialization having a control circuit and a first connector thereon; a first lamp connection board disposed between the first lamp connection board and a second lamp connection board and being lamps of the LCD backlight source; a second lamp connection board having a second connector and transformers thereon, the transformers each corresponding to one of the lamps; and a low voltage wire set connected between the first connector on the PCB for lamp initialization and the second connector on the second lamp connection board, wherein a signal issued from the first connector on the PCB for lamp initialization is transmitted through the low voltage wire set to the second connector on the first PCB for lamp initialization and then to a corresponding one of the transformers so that the lamps may be driven to operate.Type: GrantFiled: February 16, 2006Date of Patent: November 16, 2010Assignee: Logah Technology Corp.Inventors: Cheng-Chia Hsu, Yu-Cheng Pan
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Publication number: 20100271358Abstract: An LCD backlight driving device with an isolating transformer comprises a DC power supply, a square wave generator, a square wave controller, said isolating transformer and a driver transformer; wherein said isolating transformer has a primary side connected to said square wave generator and a secondary side connected to said driver transformer, since said isolating transformer is placed between said square wave generator and said driver transformer, it helps to effectively shorten a safety distance required for setting up said driver transformer; the present invention uses said isolating transformer to shorten the safety distance required than that of using said driver transformer directly and to decrease an area in implementing a circuit board and to cut cost of said device.Type: ApplicationFiled: July 8, 2010Publication date: October 28, 2010Applicant: LOGAH TECHNOLOGY CORP.Inventors: Cheng-Chia HSU, Yu-Cheng PAN, Ho-Wen CHEN
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Compact disk based system for separating immunomagnetic bead labeled particulates and method thereof
Publication number: 20100227379Abstract: Disclosed is a disk based system for separating at least two types of particulates contained in a sample fluid. The system includes a disk-like carrier board and a magnetic attraction unit. The disk-like carrier board forms at least one flow channel structure, which includes an inner reservoir, at least one separation chamber, and at least one outer reservoir arranged in sequence from a geometric center of the disk-like carrier board to an outer circumferential rim of the disk-like carrier board. A method of separation carried out with the system includes introducing the sample fluid into the inner reservoir and then rotating the disk-like carrier board to induce a centrifugal force. The sample fluid contains particulates that are labeled with immunomagnetic beads and the labeled particulates are attracted by the magnetic force generated by the magnetic attraction unit to retain in the inner reservoir or the separation chamber.Type: ApplicationFiled: June 25, 2009Publication date: September 9, 2010Inventors: Andrew M. Wo, Chen-Lin Chen, Ken-Chao Chen, Yu-Cheng Pan -
Publication number: 20100151560Abstract: Disclosed is a disk based platform for separating and detecting cells that are labeled with immunomagnetic beads. A disk-like carrier board forms therein at least one flow channel structure, which includes an inner reservoir for receiving a sample fluid, an outer reservoir, and a plurality of micro flow channels arranged between and in fluid communication with the inner and outer reservoirs. When the disk-like carrier board spins, cells labeled with immunomagnetic beads are attracted by a magnetic attraction unit that is arranged above the disk-like carrier board and adjacent to the inner reservoir to thereby remain in the inner reservoir, and cells that are not so labeled are acted upon by a centrifugal force induced by the spinning of the disk-like carrier board to flow with the sample fluid from the inner reservoir through the micro flow channels into the outer reservoir.Type: ApplicationFiled: March 25, 2009Publication date: June 17, 2010Inventors: Andrew M. Wo, Chen-Lin Chen, Ken-Chao Chen, Yu-Cheng Pan