Patents by Inventor Hung-Wen Cheng
Hung-Wen Cheng 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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Patent number: 11927628Abstract: The present disclosure provides a semiconductor wafer. The semiconductor wafer includes: a scribe line between a first row of dies and a second row of dies; and a benchmark circuit disposed adjacent to the scribe line and electrically coupled to a first conductive contact and a second conductive contact. The benchmark circuit includes a first device-under-test (DUT); a second DUT; a first switching circuit configured to selectively couple the first DUT and the second DUT to the first conductive contact; and a second switching circuit configured to selectively couple the first DUT and the second DUT to the second conductive contact.Type: GrantFiled: July 16, 2021Date of Patent: March 12, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Chu-Feng Liao, Hung-Ping Cheng, Yuan-Yao Chang, Shuo-Wen Chang
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Patent number: 11930543Abstract: A method of radio bearer transmission in dual connectivity for a network in a long term evolution (LTE) system comprises generating at least a packet data convergence protocol protocol data unit (PDCP PDU) by a PDCP entity of the network corresponding to a radio bearer (RB), and assigning each PDCP PDU with an identity, wherein the identity indicates which PDCP entity the PDCP PDU belongs to.Type: GrantFiled: November 12, 2020Date of Patent: March 12, 2024Assignee: ACER INCORPORATEDInventors: Hung-Chen Chen, Ching-Wen Cheng
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Patent number: 11916091Abstract: A backside illumination (BSI) image sensor and a method of forming the same are provided. A device includes a substrate and a plurality of photosensitive regions in the substrate. The substrate has a first side and a second side opposite to the first side. The device further includes an interconnect structure on the first side of the substrate, and a plurality of recesses on the second side of the substrate. The plurality of recesses extend into a semiconductor material of the substrate.Type: GrantFiled: April 15, 2021Date of Patent: February 27, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Wen Hsu, Jiech-Fun Lu, Yeur-Luen Tu, U-Ting Chen, Shu-Ting Tsai, Hsiu-Yu Cheng
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Publication number: 20230125358Abstract: Examples of devices having a quarter-wavelength antenna are described herein. In an example, a device may include a chassis and a quarter-wavelength antenna. The quarter-wavelength antenna includes a resonant path electrically connected the chassis.Type: ApplicationFiled: October 26, 2021Publication date: April 27, 2023Inventors: Ju-Hung Chen, Po-Chao Chen, Hung-Wen Cheng
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Publication number: 20230007598Abstract: Approaches for controlling the transmit power of antennas of a communication device, are described. The communication device may include a first wireless communication module and a second wireless communication module. In an example, the first wireless communication module may be coupled to a first antenna.Type: ApplicationFiled: December 20, 2019Publication date: January 5, 2023Inventors: KUN-JUNG WU, HUNG-WEN CHENG, CHIH-HUNG CHIEN
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Publication number: 20220336959Abstract: An antenna assembly includes a ground plane, a radiator, and a resonant circuit. The ground plane has a slot with an open end. The radiator spans the slot and has a shape configured to radiate electromagnetic energy at a first frequency and at a second frequency. The resonant circuit spans the slot in parallel with the radiator and is positioned nearer the open end than an opposite end of the slot.Type: ApplicationFiled: November 1, 2019Publication date: October 20, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Juhung Chen, Chin-Hung Ma, Po Chao Chen, Hung-Wen Cheng
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Publication number: 20220052436Abstract: In one example, a computing device may include an antenna, a tuning circuit to tune the antenna, a wireless local area network (WLAN) module coupled to the antenna, a system firmware to boot up the computing device, and a look-up table residing in the system firmware. The system firmware may receive channel information from the WLAN module, determine a state of the antenna corresponding to the received channel information using the look-up table, and tune a frequency of the antenna corresponding to the determined state via the tuning circuit.Type: ApplicationFiled: April 30, 2019Publication date: February 17, 2022Applicant: HewlettPackard Development Company, L.P.Inventors: Yao Cheng Yang, Chun-Chih Liu, Yi-Ching Lin, Tzu-Chiang Cheng, Tsung-Teng Wang, Chia-Hung Kuo, Ming-Shien Tsai, Hung-Wen Cheng, Isaac Lagnado
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Patent number: 11166241Abstract: Techniques for controlling RF output of portable devices are described. In an example, an indication of a mode of a portable device is received. The mode is based on an inclination of the portable device. The inclination is measured in reference to a screen of the portable device and a horizontal surface. Based on the mode, an RF power level defined for the mode is determined. The RF power output of the portable device is controlled based on the RF power level.Type: GrantFiled: June 19, 2017Date of Patent: November 2, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kun-Jung Wu, Simon Wong, Hung-Wen Cheng
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Publication number: 20210204225Abstract: Techniques for controlling RF output of portable devices are described. In an example, an indication of a mode of a portable device is received. The mode is based on an inclination of the portable device. The inclination is measured in reference to a screen of the portable device and a horizontal surface. Based on the mode, an RF power level defined for the mode is determined. The RF power output of the portable device is controlled based on the RF power level.Type: ApplicationFiled: June 19, 2017Publication date: July 1, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Kun-Jung WU, Simon WONG, Hung-Wen CHENG
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Patent number: 10903883Abstract: An example electronic device includes a first housing including, a first display, a first antenna, a second antenna, and a first rotational motion sensor. The electronic device also includes a hinge including a bend sensor. The electronic device further includes a second housing rotatable coupled to the first housing via the hinge. The second housing includes a second display, a third antenna, a fourth antenna, and a second rotational motion sensor. The electronic device further includes a communication device to select two of the first antenna, the second antenna, the third antenna, and the fourth antenna based on the first rotational motion sensor, the second rotational motion sensor, and the bend sensor. The communication device is also to transmit and receive data via each of the two selected antennas.Type: GrantFiled: November 16, 2016Date of Patent: January 26, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ming-Shien Tsai, Leo J. Gerten, Hung-Wen Cheng, Han-Kuang Chang, Yk Hsieh, Chung-Chun Chen
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Patent number: 10897077Abstract: In example implementations, an antenna for a mobile device is provided. The antenna includes a printed circuit board and a plurality of metal members coupled to the printed circuit board. The printed circuit board is devoid of metal traces. The plurality of metal members is positioned along a length of the printed circuit board to operate at a desired frequency band when inserted into an opening along an outer edge perimeter of a metallic housing of the mobile device.Type: GrantFiled: October 24, 2016Date of Patent: January 19, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: David Chi, Leo Joseph Gerten, Hung-Wen Cheng, Po Chao Chen, Shih Huang Wu, Sean Hung
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Patent number: 10897087Abstract: Examples of an integrated slot antenna are described. The integrated slot antenna comprises a first slot, a second slot and a separating member. The first slot is an open-ended slot and is coupled to a first antenna member to form a first slot antenna. The first slot antenna operates in a first predetermined range of frequencies. The second slot is a close-ended slot and is separated from the first slot by the separating member.Type: GrantFiled: April 18, 2017Date of Patent: January 19, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Juhung Chen, Leo Gerten, Po Chao Chen, Hung-Wen Cheng
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Publication number: 20200304185Abstract: An example electronic device includes a first housing including, a first display, a first antenna, a second antenna, and a first rotational motion sensor. The electronic device also includes a hinge including a bend sensor. The electronic device further includes a second housing rotatable coupled to the first housing via the hinge. The second housing includes a second display, a third antenna, a fourth antenna, and a second rotational motion sensor. The electronic device further includes a communication device to select two of the first antenna, the second antenna, the third antenna, and the fourth antenna based on the first rotational motion sensor, the second rotational motion sensor, and the bend sensor. The communication device is also to transmit and receive data via each of the two selected antennas.Type: ApplicationFiled: November 16, 2016Publication date: September 24, 2020Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Ming-Shien TSAI, Leo J. GERTEN, Hung-Wen CHENG, Han-Kuang CHANG, Yk HSIEH, Chung-Chun CHEN
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Publication number: 20200203842Abstract: Examples of an integrated slot antenna are described. The integrated slot antenna comprises a first slot, a second slot and a separating member. The first slot is an open-ended slot and is coupled to a first antenna member to form a first slot antenna. The first slot antenna operates in a first predetermined range of frequencies. The second slot is a close-ended slot and is separated from the first slot by the separating member.Type: ApplicationFiled: April 18, 2017Publication date: June 25, 2020Applicant: Hewlett-Packard Development Company, L.P.Inventors: Juhung Chen, Leo Gerten, Po Chao Chen, Hung-Wen Cheng
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Patent number: 10340591Abstract: An antenna system with a bridged ground plane includes a printed circuit board, a first ground plane, a bridge, an antenna radiating element, an antenna connection, and at least one electronic component. The first ground plane is coupled to a first face of the printed circuit board. The bridge couples the first ground plane to the second ground plane. The antenna radiating element is coupled to the second ground plane via the antenna connection. The electronic component or components are coupled to a second face of the printed circuit board.Type: GrantFiled: April 29, 2014Date of Patent: July 2, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chang-Cheng Hsieh, Hung-Wen Cheng, Leo Joseph Gerten
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Patent number: 10249939Abstract: An antenna device for a signal having a frequency within an operation band comprises a ground element, a radiating element short-circuited to the ground element, a positive feed connected to the radiating element, and a ground feed coupled to the ground element by a capacitive element. The capacitive element is a substantially open circuit for signals having a frequency lower than the operation band. The capacitive element is a substantially short circuit for signals having a frequency within or higher than the operation band.Type: GrantFiled: November 25, 2013Date of Patent: April 2, 2019Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Chun Chih Chen, Hung-Wen Cheng
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Publication number: 20190013573Abstract: In example implementations, an antenna for a mobile device is provided. The antenna includes a printed circuit board and a plurality of metal members coupled to the printed circuit board. The printed circuit board is devoid of metal traces. The plurality of metal members is positioned along a length of the printed circuit board to operate at a desired frequency band when inserted into an opening along an outer edge perimeter of a metallic housing of the mobile device.Type: ApplicationFiled: October 24, 2016Publication date: January 10, 2019Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: David CHI, Leo Joseph GERTEN, Hung-Wen CHENG, Po Chao CHEN, Shih Huang WU, Sean HUNG
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Patent number: 9748995Abstract: A sensor assembly is provided for a portable electronic device. The sensor assembly includes a proximity sensor and a module including shielding. The proximity sensor is connected to the shielding such that the shielding selectively functions as a sensor electrode for the proximity sensor.Type: GrantFiled: April 30, 2014Date of Patent: August 29, 2017Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chun Chih Chen, Hung-Wen Cheng
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Publication number: 20170207525Abstract: An antenna system with a bridged ground plane includes a printed circuit board, a first ground plane, a bridge, an antenna radiating element, an antenna connection, and at least one electronic component. The first ground plane is coupled to a first face of the printed circuit board. The bridge couples the first ground plane to the second ground plane. The antenna radiating element is coupled to the second ground plane via the antenna connection. The electronic component or components are coupled to a second face of the printed circuit board.Type: ApplicationFiled: April 29, 2014Publication date: July 20, 2017Inventors: Chang-Cheng HSIEH, Hung-Wen CHENG, Leo Joseph GERTEN
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Publication number: 20170041035Abstract: A sensor assembly is provided for a portable electronic device. The sensor assembly includes a proximity sensor and a module including shielding. The proximity sensor is connected to the shielding such that the shielding selectively functions as a sensor electrode for the proximity sensor.Type: ApplicationFiled: April 30, 2014Publication date: February 9, 2017Inventors: CHUN CHIH CHEN, HUNG-WEN CHENG