Patents by Inventor Hung-An Chang
Hung-An Chang 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: 11996342Abstract: A semiconductor package includes a first heat dissipation plate, a second heat dissipation plate, a plurality of heat generating assemblies, and a plurality of fixture components. The first heat dissipation plate has a first upper surface and a first lower surface. The first heat dissipation plate includes first through holes extended from the first upper surface to the first lower surface. The second heat dissipation plate has a second upper surface and a second lower surface. The second heat dissipation plate includes second through holes extended from the second upper surface to the second lower surface. The heat generating assemblies are disposed between the first heat dissipation plate and the second heat dissipation plate. The fixture components include fix screws and nuts. The fix screws penetrate through the first heat dissipation plate and the second heat dissipation plate along the first through holes and the second through holes.Type: GrantFiled: August 30, 2021Date of Patent: May 28, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hsiang Lao, Yuan-Sheng Chiu, Hung-Chi Li, Shih-Chang Ku, Tsung-Shu Lin
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Patent number: 11996483Abstract: The present disclosure provides a semiconductor device that includes a semiconductor fin disposed over a substrate, an isolation structure at least partially surrounding the fin, an epitaxial source/drain (S/D) feature disposed over the semiconductor fin, where an extended portion of the epitaxial S/D feature extends over the isolation structure, and a silicide layer disposed on the epitaxial S/D feature, where the silicide layer covers top, bottom, sidewall, front, and back surfaces of the extended portion of the S/D feature.Type: GrantFiled: December 14, 2022Date of Patent: May 28, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Pei-Hsun Wang, Chih-Chao Chou, Shih-Cheng Chen, Jung-Hung Chang, Jui-Chien Huang, Chun-Hsiung Lin, Chih-Hao Wang
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Patent number: 11995263Abstract: A touch screen may be formed from a display and perimeter touch electrodes. Touches detected at one or more of the perimeter touch electrodes can be imputed to touch on a region of the display of the touch screen adjacent to the perimeter touch electrodes. In some examples, the perimeter touch electrodes comprise segmented frit metal arranged around the perimeter of the display (e.g., frit metal used to encapsulate the display). In some examples, the perimeter touch electrodes can be coupled to one or more touch sensing circuits via switching circuitry. In some examples, the switching circuitry can be operated based on control signals shared with the display circuitry.Type: GrantFiled: September 25, 2020Date of Patent: May 28, 2024Assignee: Apple Inc.Inventors: Hung Sheng Lin, Jun Qi, Hao-Lin Chiu, Sai-Chang Liu
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Publication number: 20240170954Abstract: A motor control method for coupled an electronic vehicle is provided. The motor controller controls a motor and is powered by a battery. The motor control method includes: when a main relay of the motor controller suddenly breaks contact, in a first phase, feeding back a surge current into the battery to suppress the surge current by a diode and a first current limit resistor of a first protecting circuit of the motor controller; and, in a second phase, conducting a discharge switch of a second protecting circuit of the motor controller by a control unit of the motor controller, and releasing the surge current to a reference voltage range by the discharge switch and a second current limit resistor of the second protecting circuit.Type: ApplicationFiled: December 27, 2022Publication date: May 23, 2024Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Nan-Hsiung TSENG, Bing-Ren CHEN, Shin-Hung CHANG, Chin-Hone LIN
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Publication number: 20240170610Abstract: A light-emitting device includes a semiconductor stack, an insulating reflective structure having an opening, and an electrode located on the insulating reflective structure and filled in the opening to electrically connect to the semiconductor stack. The semiconductor stack having includes a main surface, and a side surface inclined to the main surface. The light-emitting device has a dominant wavelength and a peak wavelength. The insulating reflective structure includes: a first part located on the main surface and having a first thickness; and a second part located on the side surface and having a second thickness different from the first thickness. The second part of the insulating reflective structure has a reflectivity of more than 90% for the dominant wavelength or the peak wavelength within an incident angle of 0° to 30°.Type: ApplicationFiled: November 21, 2023Publication date: May 23, 2024Inventors: Heng-Ying CHO, Wei-Ting CHANG, Yi-Hung LIN
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Publication number: 20240168332Abstract: Examples of light source distance alterations are described herein. An example device for providing light source distance alterations can include a display that includes a light source coupled to a piezo material to alter a distance between the light source and a corresponding aperture of an aperture layer.Type: ApplicationFiled: January 31, 2024Publication date: May 23, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Kuan-Ting Wu, Chi-Hao Chang
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Patent number: 11990111Abstract: A noise measuring device is provided. The noise measuring device includes a soundproof box, a sound receiving device, a holding device, and a driving device. The sound receiving device is disposed in the soundproof box. The holding device is disposed in the soundproof box and configured to hold a testing object. The driving device is connected with the soundproof box and configure to drive the soundproof box to rotate.Type: GrantFiled: August 16, 2021Date of Patent: May 21, 2024Assignee: ASUSTEK COMPUTER INC.Inventors: Sheng-Pin Su, Yuan-I Tseng, Che-Hung Lai, Chien-Yi Wang, Chuan-Te Chang
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Publication number: 20240162851Abstract: A sun-tracking solar power generating apparatus includes an upright post (10), a frame (20) located above the upright post, a pivot device (30) pivotally mounted between a top of the upright post and a bottom of the frame, an inclination adjusting device (40) mounted between the upright post and the frame, multiple solar panels (50) mounted on the frame, and a temperature adjustment device (60) mounted on the bottom of the frame. Each of the solar panels includes a self-cleaning reflective layer (53) disposed at an outer face thereof. The self-cleaning reflective layer is made of Teflon material.Type: ApplicationFiled: November 14, 2022Publication date: May 16, 2024Inventor: Lin-Hung Chang
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Publication number: 20240159642Abstract: A smoke detector with an anti-insect function includes a substrate, an optical detection module, a top cover, a base and a perforated plate. The substrate has a ring shape region surrounding a central detection region, and a first block structure of the central detection region is protruded from the substrate and higher than an upper surface of the ring shape region. The optical detection module is disposed inside the central detection region. The top cover has a lateral wall. The base is disposed on the substrate and connected to the top cover to cover the optical detection module. The base has a second block structure partly overlapped with the lateral wall to form a guiding channel. The perforated plate is disposed between the lateral wall and the second block structure to prevent an insect from moving into the top cover through the guiding channel.Type: ApplicationFiled: January 25, 2024Publication date: May 16, 2024Applicant: PixArt Imaging Inc.Inventors: Yen-Chang Chu, Cheng-Nan Tsai, Chih-Ming Sun, Zhi-Hao Wu, Hung-Yu Lai
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Publication number: 20240161798Abstract: A device includes a memory array, bit line pairs, word lines, a modulation circuit and a control signal generator. The memory array has bit cells arranged in rows and columns. Each bit line pair is connected to a respective column of bit cells. Each word line is connected to a respective row of bit cells. The modulation circuit is coupled with at least one bit line pair. The control signal generator is coupled with the modulation circuit. The control signal generator includes a tracking wiring with a tracking length positively correlated with a depth distance of the word lines. The control signal generator is configured to produce a control signal, switching to a first voltage level for a first time duration in reference with the tracking length, for controlling the modulation circuit. A method of controlling aforesaid device is also disclosed.Type: ApplicationFiled: January 25, 2024Publication date: May 16, 2024Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY LIMITED, TSMC CHINA COMPANY LIMITEDInventors: Xiu-Li YANG, He-Zhou WAN, Mu-Yang YE, Lu-Ping KONG, Ming-Hung CHANG
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Publication number: 20240161822Abstract: A memory device includes a plurality of memory cells; a word line, connected to one of the plurality of memory cells, that is configured to provide a first WL pulse having a rising edge and a falling edge that define a pulse width of the first WL pulse; a first tracking WL, formed adjacent to the memory cells, that is configured to provide, via being physically or operatively coupled to a bit line (BL) configured to write a logic state to the memory cell, a second WL pulse having a rising edge with a decreased slope; and a first tracking BL, configured to emulate the BL, that is coupled to the first tracking WL such that the pulse width of the first WL pulse is increased based on the decreased slope of the rising edge of the second WL pulse.Type: ApplicationFiled: January 19, 2024Publication date: May 16, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-jer Hsieh, Yu-Hao Hsu, Zhi-Hao Chang, Cheng Hung Lee
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Publication number: 20240161843Abstract: An anti-fuse memory device includes an anti-fuse module, a reference current circuit and a controller. A write enable signal enables a write controller and a write buffer of the anti-fuse module to program a selected anti-fuse memory cell in an anti-fuse array of the anti-fuse module, and a timing controller of the anti-fuse module stops a program operation of the anti-fuse array after a sense amplifier of the anti-fuse module changes a state of a readout data signal for a predetermined time duration.Type: ApplicationFiled: September 20, 2023Publication date: May 16, 2024Applicant: eMemory Technology Inc.Inventors: Chia-Fu Chang, Chun-Hung Lin, Jen-Yu Peng, You-Ruei Chuang
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Publication number: 20240162372Abstract: A light-emitting device includes a semiconductor epitaxial structure that has a first surface and a second surface opposite to the first surface, and that includes a first semiconductor layer, an active layer, and a second semiconductor layer sequentially disposed in such order in a direction from the first surface to the second surface. The active layer includes well layers and barrier layers that are alternately stacked. The active layer has an upper surface that is adjacent to the second semiconductor layer, and a lower surface that is opposite to the upper surface. The first semiconductor layer is doped with an n-type dopant, which has a first concentration of 5E17/cm3 at a first point in the first semiconductor layer. The first point of the first semiconductor layer and the lower surface of the active layer have a first distance therebetween. The first distance ranges from 150 nm to 500 nm.Type: ApplicationFiled: November 9, 2023Publication date: May 16, 2024Inventors: Weihuan LI, Jinghua CHEN, Huan-Shao KUO, Yu-Ren PENG, Dongpo CHEN, Chia-Hung CHANG
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Publication number: 20240164068Abstract: A power control system of a rack heat-dissipation system, which receives output voltages of a rack power supply and a module power supply, includes a first control module and a second control module operating in parallel. The first control module includes a first switching unit, a first voltage converting unit and a first monitoring unit. The second control module includes a second switching unit, a second voltage converting unit and a second monitoring unit. The first monitoring unit is connected to the rack power supply, the module power supply, the first switching unit and the first voltage converting unit, and the second monitoring unit is connected to the rack power supply, the module power supply, the second switching unit and the second voltage converting unit. The heat dissipation system can be kept in the normal operation even if one of the control modules is failed.Type: ApplicationFiled: December 14, 2022Publication date: May 16, 2024Inventors: YUNG-HUNG HSIAO, CHIA-HSIEN YEN, DA-SHIAN CHEN, HAO-CHIEH CHANG
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Publication number: 20240163978Abstract: An electric heating material processing device includes a material transporting module, a material feeding controller, a material discharging controller, a gas vent, and an electric heating thermal desorption device. The material transporting module has a material inlet and a material outlet. The material feeding controller is connected to the material inlet, and is configured to control a feeding quantity and a feeding speed of the materials. The material discharging controller is connected to the material outlet, and is configured to control a discharging quantity and a discharging speed of the materials. The gas vent is disposed on an end of the material transporting module. The electric heating thermal desorption device is disposed on an outer surface of the material transporting module, and is configured to perform a thermal desorption process on the materials. The electric heating thermal desorption device includes an electric heating acceptor and plural electric heaters.Type: ApplicationFiled: February 24, 2023Publication date: May 16, 2024Inventors: Huang-Long LIN, Yuan-Hung LIU, Yu-Chi CHANG
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Publication number: 20240162065Abstract: A method of determining an operational status of a semiconductor manufacturing assembly uses internal vibrations of an in-situ assembly to detect defects. The method may include initiating a first test vibration in an internal structure of the semiconductor manufacturing assembly while the semiconductor manufacturing assembly is in-situ in a semiconductor processing chamber, receiving a first vibration signal caused by the first test vibration, transforming the first vibration signal into a first frequency domain representation of the first vibration signal, determining the operational status of the semiconductor manufacturing assembly based on the first frequency domain representation, and performing a corrective action for the semiconductor manufacturing assembly in response to the operational status.Type: ApplicationFiled: November 15, 2022Publication date: May 16, 2024Inventors: Yao-Hung YANG, Chih-Yang CHANG, Shannon WANG
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Patent number: 11983046Abstract: A portable information handling system pivots a hinge rotational axis as the hinge rotates housing portions between open and closed positions to manage a gap between the housing portions. For example, the hinge couples a base at a perimeter of one housing portion, the base having a many body that slides on sliding members of the base and that supports a bracket extending inward to couple to another housing portion. A bracket gear engages with a pinion gear included in the main body to translate bracket rotation through the pinion gear to a rack integrated in the base, thereby sliding the main body relative to the base as the housing portions rotate so that the distance between the housing portions adjusts with rotational orientation.Type: GrantFiled: September 1, 2021Date of Patent: May 14, 2024Assignee: Dell Products L.P.Inventors: Anthony J. Sanchez, Michael J. Pescetto, Boris Draca, Hsin-Chung Chang, Jui-Hung Chang
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Patent number: 11983475Abstract: A semiconductor device includes: M*1st conductors in a first layer of metallization (M*1st layer) and being aligned correspondingly along different corresponding ones of alpha tracks and representing corresponding inputs of a cell region in the semiconductor device; and M*2nd conductors in a second layer of metallization (M*2nd layer) aligned correspondingly along beta tracks, and the M*2nd conductors including at least one power grid (PG) segment and one or more of an output pin or a routing segment; and each of first and second ones of the input pins having a length sufficient to accommodate at most two access points; each of the access points of the first and second input pins being aligned to a corresponding different one of first to fourth beta tracks; and the PG segment being aligned with one of the first to fourth beta tracks.Type: GrantFiled: February 7, 2023Date of Patent: May 14, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Pin-Dai Sue, Po-Hsiang Huang, Fong-Yuan Chang, Chi-Yu Lu, Sheng-Hsiung Chen, Chin-Chou Liu, Lee-Chung Lu, Yen-Hung Lin, Li-Chun Tien, Yi-Kan Cheng
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Patent number: D1026916Type: GrantFiled: January 5, 2022Date of Patent: May 14, 2024Assignee: COMPAL ELECTRONICS, INC.Inventors: Hao-Jen Fang, Kung-Ju Chen, Wei-Yi Chang, Chun-Chieh Chen, Chih-Wen Chiang, Sheng-Hung Lee
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Patent number: D1027976Type: GrantFiled: May 24, 2021Date of Patent: May 21, 2024Assignee: VIVOTEK INC.Inventors: Kuan-Hung Chen, Kai-Sheng Chuang, Chia-Chi Chang, Yu-Fang Huang, Kai-Ting Yu, Wen-Chun Chen, Shu-Jung Hsu, Tsao-Wei Hung