Patents by Inventor Chun-Hao Wu
Chun-Hao Wu 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: 11966107Abstract: An anti-peep display device includes a display module and an anti-peep module disposed on the display module. The anti-peep module includes the following features. The first light incident surface faces the display surface, the second and third light incident surfaces are located on opposite sides of the first light incident surface, the first condensing portion is disposed corresponding to the second light incident surface and the first light source, the second condensing portion is disposed corresponding to the third light incident surface and the second light source, the first and second condensing portions convert beams of the first and second light sources into anti-peep beams with a beam angle less than 10 degrees, and the optical microstructures reflect the anti-peep beams and exit the anti-peep beams from the light guide plate. The present invention also provides an anti-peep method applicable to the anti-peep display device.Type: GrantFiled: June 14, 2023Date of Patent: April 23, 2024Assignee: CHAMP VISION DISPLAY INC.Inventors: Chung-Hao Wu, Hsin-Hung Lee, Chin-Ku Liu, Chun-Chien Liao, Wei-Jhe Chien
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Patent number: 11961892Abstract: A semiconductor device and methods of forming the same are disclosed. The semiconductor device includes a substrate, first and second source/drain (S/D) regions, a channel between the first and second S/D regions, a gate engaging the channel, and a contact feature connecting to the first S/D region. The contact feature includes first and second contact layers. The first contact layer has a conformal cross-sectional profile and is in contact with the first S/D region on at least two sides thereof. In embodiments, the first contact layer is in direct contact with three or four sides of the first S/D region so as to increase the contact area. The first contact layer includes one of a semiconductor-metal alloy, an III-V semiconductor, and germanium.Type: GrantFiled: June 10, 2022Date of Patent: April 16, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Carlos H. Diaz, Chung-Cheng Wu, Chia-Hao Chang, Chih-Hao Wang, Jean-Pierre Colinge, Chun-Hsiung Lin, Wai-Yi Lien, Ying-Keung Leung
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Publication number: 20240112928Abstract: A trimming method is provided. The trimming method includes the following steps. A first wafer including a substrate and a device layer over a first side of the substrate is provided. The first wafer is bonded to a second wafer with the first side of the substrate facing toward the second wafer. An edge trimming process is performed to remove a trimmed portion of the substrate from a second side opposite to the first side vertically downward toward the first side in a first direction along a perimeter of the substrate, wherein the edge trimming process results in the substrate having a flange pattern laterally protruding from the device layer and laterally surrounding an untrimmed portion of the substrate along a second direction perpendicular to the first direction.Type: ApplicationFiled: January 10, 2023Publication date: April 4, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: An-Hsuan Lee, Chen-Hao Wu, Chun-Hung Liao, Huang-Lin Chao
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Publication number: 20240113615Abstract: A Totem Pole PFC circuit includes at least one fast-switching leg, a slow-switching leg, and a control unit. Each fast-switching leg includes a fast-switching upper switch and a fast-switching lower switch. The slow-switching leg is coupled in parallel to the at least one fast-switching leg, and the slow-switching leg includes a slow-switching upper switch and a slow-switching lower switch. The control unit receives an AC voltage with a phase angle, and the control unit includes a current detection loop, a voltage detection loop, and a control loop. The control loop generates a second control signal assembly to respectively control the slow-switching upper switch and the slow-switching lower switch. The control loop controls the second control signal assembly to follow the phase angle, and dynamically adjusts a duty cycle of the second control signal assembly to turn on or turn off the slow-switching upper switch and the slow-switching lower switch.Type: ApplicationFiled: February 22, 2023Publication date: April 4, 2024Inventors: Chun-Hao HUANG, Chun-Wei LIN, I-Hsiang SHIH, Ching-Nan WU, Jia-Wei YEH
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Publication number: 20240113143Abstract: Various embodiments of the present disclosure are directed towards an imaging device including a first image sensor element and a second image sensor element respectively comprising a pixel unit disposed within a semiconductor substrate. The first image sensor element is adjacent to the second image sensor element. A first micro-lens overlies the first image sensor element and is laterally shifted from a center of the pixel unit of the first image sensor element by a first lens shift amount. A second micro-lens overlies the second image sensor element and is laterally shifted from a center of the pixel unit of the second image sensor element by a second lens shift amount different from the first lens shift amount.Type: ApplicationFiled: January 6, 2023Publication date: April 4, 2024Inventors: Cheng Yu Huang, Wen-Hau Wu, Chun-Hao Chuang, Keng-Yu Chou, Wei-Chieh Chiang, Chih-Kung Chang
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Patent number: 11948278Abstract: An image quality improvement method and an image processing apparatus using the same are provided. Denoising filtering is performed to an original image by a filter to obtain a preliminary processing image. The preliminary processing image is input to a multi-stage convolutional network model to generate an optimization image through the multi-stage convolutional network model. The multi-stage convolutional network model includes multiple convolutional network sub-models, and these convolutional network sub-models respectively correspond to different network architectures.Type: GrantFiled: August 18, 2021Date of Patent: April 2, 2024Assignee: National Chengchi UniversityInventors: Yan-Tsung Peng, Sha-Wo Huang, Ming-Hao Lin, Chin-Hsien Wu, Chun-Lin Tang
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Patent number: 11942373Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first fin, a second fin and a third fin therebetween. A first insulating structure includes a first insulating layer formed between the first and third fins, a capping structure covering the first insulating layer, a first insulating liner covering sidewall surfaces of the first insulating layer and the capping structure and a bottom surface of the first insulating layer, and a second insulating liner formed between the first insulating liner and the first fin and between the first insulating liner and the third fin. The second insulating structure includes a second insulating layer formed between the second fin and the third fin and a third insulating liner formed between the second insulating layer and the second fin and between the second insulating layer and the third fin.Type: GrantFiled: May 10, 2023Date of Patent: March 26, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chu-An Lee, Chen-Hao Wu, Peng-Chung Jangjian, Chun-Wen Hsiao, Teng-Chun Tsai, Huang-Lin Chao
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Publication number: 20240088182Abstract: In some embodiments, an image sensor is provided. The image sensor includes a photodetector disposed in a semiconductor substrate. A wave guide filter having a substantially planar upper surface is disposed over the photodetector. The wave guide filter includes a light filter disposed in a light filter grid structure. The light filter includes a first material that is translucent and has a first refractive index. The light filter grid structure includes a second material that is translucent and has a second refractive index less than the first refractive index.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Cheng Yu Huang, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Wen-Chien Yu, Ting-Cheng Chang, Wen-Hau Wu, Chih-Kung Chang
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Patent number: 11929417Abstract: A semiconductor device and methods of forming the same are disclosed. The semiconductor device includes a substrate, first and second source/drain (S/D) regions, a channel between the first and second S/D regions, a gate engaging the channel, and a contact feature connecting to the first S/D region. The contact feature includes first and second contact layers. The first contact layer has a conformal cross-sectional profile and is in contact with the first S/D region on at least two sides thereof. In embodiments, the first contact layer is in direct contact with three or four sides of the first S/D region so as to increase the contact area. The first contact layer includes one of a semiconductor-metal alloy, an III-V semiconductor, and germanium.Type: GrantFiled: June 30, 2022Date of Patent: March 12, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Carlos H. Diaz, Chung-Cheng Wu, Chia-Hao Chang, Chih-Hao Wang, Jean-Pierre Colinge, Chun-Hsiung Lin, Wai-Yi Lien, Ying-Keung Leung
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Patent number: 11923386Abstract: Various embodiments of the present disclosure are directed towards an integrated chip. The integrated chip includes a first photodetector disposed in a first pixel region of a semiconductor substrate and a second photodetector disposed in a second pixel region of the semiconductor substrate. The second photodetector is laterally separated from the first photodetector. A first diffuser is disposed along a back-side of the semiconductor substrate and over the first photodetector. A second diffuser is disposed along the back-side of the semiconductor substrate and over the second photodetector. A first midline of the first pixel region and a second midline of the second pixel region are both disposed laterally between the first diffuser and the second diffuser.Type: GrantFiled: April 24, 2023Date of Patent: March 5, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Keng-Yu Chou, Chun-Hao Chuang, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang
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Publication number: 20240071665Abstract: A wheel control mechanism includes a support base, a wheel module, a first magnetic module and a second magnetic module. The wheel module, the first magnetic module and the second magnetic module are installed on the support base. The first magnetic module generates a magnetic attractive force to attract a metal ratchet of the wheel module. By adjusting the position of the second magnetic module relative to the first magnetic module, the strength of the magnetic attractive force is changed. Consequently, the rotation of the wheel module results in a tactile feel or does not result in the tactile feel.Type: ApplicationFiled: September 14, 2022Publication date: February 29, 2024Inventors: Chun-Nan Su, Chun-Che Wu, Sheng-An Tsai, Ming-Hao Hsieh, Li-Kuei Cheng
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Publication number: 20240071538Abstract: The present disclosure provides a multi-state one-time programmable (MSOTP) memory circuit including a memory cell and a programming voltage driving circuit. The memory cell includes a MOS storage transistor, a first MOS access transistor and a second MOS access transistor electrically connected to store two bits of data. When the memory cell is in a writing state, the programming voltage driving circuit outputs a writing control potential to the gate of the MOS storage transistor, and when the memory cell is in a reading state, the programming voltage driving circuit outputs a reading control potential to the gate of the MOS storage transistor.Type: ApplicationFiled: August 22, 2023Publication date: February 29, 2024Inventors: CHEN-FENG CHANG, YU-CHEN LO, TSUNG-HAN LU, SHU-CHIEH CHANG, CHUN-HAO LIANG, DONG-YU WU, MENG-LIN WU
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Patent number: 11916084Abstract: A transparent display panel with driving electrode regions, circuit wiring regions, and optically transparent regions is provided. The driving electrode regions are arranged into an array in a first direction and a second direction. An average light transmittance of the circuit wiring regions is less than ten percent, and an average light transmittance of the optically transparent regions is greater than that of the driving electrode regions and the circuit wiring regions. The first direction intersects the second direction. The circuit wiring regions connect the driving electrode regions at intervals, such that each optically transparent region spans among part of the driving electrode regions. The transparent display panel includes first signal lines and second signal lines extending along the circuit wiring regions, and each circuit wiring region is provided with at least one of the first signal lines and at least one of the second signal lines.Type: GrantFiled: August 24, 2022Date of Patent: February 27, 2024Assignee: AUO CorporationInventors: Chun-Yu Lin, Kun-Cheng Tien, Jia-Long Wu, Ming-Lung Chen, Shu-Hao Huang
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Publication number: 20160266780Abstract: An electronic device includes an input unit, a storage unit and a processing unit. The input unit receives an input signal corresponding to a Uniform Resource Identifier of a file resource. The storage unit stores settings of a default application and a plurality of applications for executing the file resource. The processing unit executes the file resource according to the input signal and the default application. After executing the file resource by the default application, the processing unit clears the setting of the default application and displays application shortcuts corresponding to the applications in a window when a disabling signal corresponding to the default application is received within a first predetermined time and the input signal corresponding to the Uniform Resource Identifier is received within a second predetermined time. The processing unit further re-executes the file resource according to the input signal.Type: ApplicationFiled: May 27, 2015Publication date: September 15, 2016Inventor: Chun-Hao WU
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Patent number: 9401292Abstract: A transporting device for transporting substrate of liquid crystal display and using method thereof are provided. The transporting device comprises a fixing arm, at least two forks mounted on the fixing arm, laser emitting devices respectively mounted on the forks that are used to carry two ends of the substrate, laser sensors mounted on the fixing arm and corresponding to the laser emitting devices, a processor mounted on the fixing arm and connected to the laser sensors, and air damping devices mounted below the forks that are used to carry two ends of the substrate. The droop amount and the vibration of the fork can be measured when the transporting device is carrying a substrate, and it can be determined whether the droop amount and the vibration are abnormal. If they are abnormal, the laser emitting device will be started up to alleviate the vibration of the fork.Type: GrantFiled: June 25, 2013Date of Patent: July 26, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Weibing Yang, Chun Hao Wu, Kun Hsien Lin, Yongqiang Wang, Zhiyou Shu, Minghu Qi, Zenghong Chen, Guokun Yang, Yunshao Jiang, Chenyangzi Li
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Patent number: 9324689Abstract: The present invention provides a chip-on-film (COF) tape and a corresponding COF bonding method. The COF tape comprises a base tape, a plurality of first COFs and second COFs, the first and second COFs are arranged on the base tape in an alternating manner, and are correspondingly punched onto a moving platform by a punching mechanism, and are respectively bonded onto two side edges of a liquid crystal panel. The present invention can simultaneously process the bonding operations of the two types of COF by using only one COF tape and one set of equipment, thus lowering the cost and increasing the productivity.Type: GrantFiled: November 27, 2013Date of Patent: April 26, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Minghu Qi, Chun Hao Wu, Kun Hsien Lin, Yongqiang Wang, Zhiyou Shu, Weibing Yang, Zenghong Chen, Guokun Yang, Chenyangzi Li, Yunshao Jiang
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Patent number: 9267584Abstract: A stacking machine is provided, which comprises a body and a translational mechanism for driving the body to make a translational motion. The synchronous belt used in the translational mechanism can effectively resolve the problem of slipping caused by wheel rolling, and thus enables the movement of the stacking machine to be more accurate, with the highest speed of the movement also increased significantly. Besides that, the synchronous belt mechanism is more accurate in positioning, which reduces the number of times of repeated adjustments and maintenance caused by bigger positioning errors.Type: GrantFiled: November 16, 2012Date of Patent: February 23, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Guokun Yang, Zhiyou Shu, Chun hao Wu, Kun hsien Lin, Minghu Qi, Zhenhua Guo, Yongqiang Wang, Zenghong Chen, Chenyangzi Li, Weibing Yang
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Publication number: 20150357308Abstract: The present invention provides a chip-on-film (COF) tape and a corresponding COF bonding method. The COF tape comprises a base tape, a plurality of first COFs and second COFs, the first and second COFs are arranged on the base tape in an alternating manner, and are correspondingly punched onto a moving platform by a punching mechanism, and are respectively bonded onto two side edges of a liquid crystal panel. The present invention can simultaneously process the bonding operations of the two types of COF by using only one COF tape and one set of equipment, thus lowering the cost and increasing the productivity.Type: ApplicationFiled: November 27, 2013Publication date: December 10, 2015Inventors: Minghu QI, Chun Hao WU, Kun Hsien Lin, Yongqiang Wang, Zhiyou SHU, Weibing YANG, Zenghong CHEN, Guokun Yang, Chenyangzl LI, Yunshao Jiang
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Patent number: 9132973Abstract: A cartridge for carrying glass substrate is provided, and the cartridge comprises a pair of side beams each is provided with at least two pillars along a first direction. Each of the pillars is configured with a plurality of fixtures detachably juxtaposed vertically. A plurality of supporting units is arranged between the fixtures of the side beams so as to define a plurality of supporting surfaces vertically. And a plurality of free locking units detachably are secured to the fixtures on the common surface so as to allow the moving of the fixtures on the common surface as a whole. With the provision of the cartridge of the present invention, the damaged glass substrate can be conveniently and effectively removed without tempering other glass substrates which are intact and undamaged.Type: GrantFiled: April 12, 2012Date of Patent: September 15, 2015Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xiande Li, Chun Hao Wu, Kun Hsien Lin, Minghu Qi, Erqing Zhu, Weibing Yang
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Patent number: D1023935Type: GrantFiled: March 18, 2022Date of Patent: April 23, 2024Assignee: Acer IncorporatedInventors: Ya-Hao Chan, Yi-Heng Lee, Ming-Cheng Wu, Chun-Yu Chen