Patents by Inventor Chih-Hao Wu
Chih-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: 11099284Abstract: A radiation sensing device is provided in the present disclosure. The radiation sensing device includes a substrate and a plurality of semiconductor units. The semiconductor units are disposed on the substrate, and at least one of the semiconductor units includes a first gate electrode, an active layer, and a second gate electrode. The active layer is disposed on the first gate electrode, and the second gate electrode is disposed on the active layer. The second gate electrode has a positive bias voltage during a standby mode. The second electrode may be configured to have a positive bias voltage during the standby mode for improving influence on electrical properties of the semiconductor unit after the semiconductor unit is irradiated by radiation.Type: GrantFiled: May 13, 2020Date of Patent: August 24, 2021Assignee: InnoLux CorporationInventors: Zhi-Hong Wang, Hsin-Hung Lin, Chih-Hao Wu
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Patent number: 11022704Abstract: A light detection device includes a first gate line, a second gate line adjacent to the first gate line, a first switching unit, a second switching unit, and a readout circuit. The first switching unit includes a first gate electrode connected to the first gate line, and a first drain electrode electrically connected to a light sensing unit. The second switching unit includes a second gate electrode connected to the second gate line, and a second drain electrode electrically connected to a light sensing unit. An operation method of the light detection device includes receiving a first readout signal and a second readout signal from the first switching unit and the second switching unit respectively by the readout circuit and calculating a difference between the first readout signal and the second readout signal for determining whether the light detection device is irradiated by detection light.Type: GrantFiled: July 24, 2019Date of Patent: June 1, 2021Assignee: Innolux CorporationInventor: Chih-Hao Wu
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Publication number: 20210125888Abstract: An electronic device is provided. The electronic device includes a substrate, an active element, a first insulation layer, and a detection element. The active element is disposed on the substrate. The first insulation layer is disposed on the active element. The detection element is disposed on the first insulation layer. The detection element comprises a lower electrode, an active layer and an upper electrode, and the lower electrode is a part of a conductive layer. The first insulation layer has a recess, and the recess does not overlap with the conductive layer in the normal direction of the substrate.Type: ApplicationFiled: October 19, 2020Publication date: April 29, 2021Applicant: Innolux CorporationInventors: Hsin-Hung Lin, Chih-Hao Wu
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Patent number: 10976449Abstract: A photodetecting device is provided. The photodetecting device includes an array substrate. The first scan line extends in a first direction. The first data line extends in a second direction, wherein first data line is crossed with the first scan line. The first electronic unit is electrically connected to the first scan line and the first data line. The second electronic unit is adjacent to the first electronic unit and is disposed along the first direction. The third electronic unit is adjacent to the first electronic unit and is disposed along the second direction. The common line transmits a signal to the first electronic unit, the second electronic unit and the third electronic unit. The common line is disposed between the first electronic unit and the second electronic unit, or between the first electronic unit and the third electronic unit.Type: GrantFiled: June 26, 2019Date of Patent: April 13, 2021Assignee: INNOLUX CORPORATIONInventor: Chih-Hao Wu
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Publication number: 20200386900Abstract: A radiation-sensing device is provided. The radiation-sensing device includes a substrate, a first scintillator layer, a second scintillator layer, and an array layer. The first scintillator is disposed on a first side of the substrate, and includes a plurality of first blocking walls and a plurality of first scintillator elements. The plurality of first scintillator elements are located between the plurality of first blocking walls. The second scintillator layer is disposed on a second side of the substrate, and the second side is opposite to the first side. The array layer is located between the first scintillator layer and the second scintillator layer, and has a plurality of photosensitive elements. In addition, a projection of at least one of the plurality of first blocking walls on the substrate overlaps with a projection of at least one of the plurality of photosensitive elements on the substrate.Type: ApplicationFiled: May 28, 2020Publication date: December 10, 2020Inventor: Chih-Hao WU
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Publication number: 20200371260Abstract: A radiation sensing device is provided in the present disclosure. The radiation sensing device includes a substrate and a plurality of semiconductor units. The semiconductor units are disposed on the substrate, and at least one of the semiconductor units includes a first gate electrode, an active layer, and a second gate electrode. The active layer is disposed on the first gate electrode, and the second gate electrode is disposed on the active layer. The second gate electrode has a positive bias voltage during a standby mode. The second electrode may be configured to have a positive bias voltage during the standby mode for improving influence on electrical properties of the semiconductor unit after the semiconductor unit is irradiated by radiation.Type: ApplicationFiled: May 13, 2020Publication date: November 26, 2020Inventors: Zhi-Hong Wang, Hsin-Hung Lin, Chih-Hao Wu
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Patent number: 10817044Abstract: A power saving control apparatus applied to a display driving circuit is disclosed. The power saving control apparatus includes a data analysis unit, a bias control unit and a charge sharing unit. The bias control unit is used to perform bias control. The charge sharing unit is used for charge sharing. The data analysis unit is coupled to the bias control unit and the charge sharing unit respectively. The data analysis unit instantly analyzes the display data to generate an instant analysis result and dynamically adjust the setting of bias and slew rate of the bias control unit according to the instant analysis result. The data analysis unit can dynamically adjust the setting of charge sharing range and charge sharing group number needed to be performed by the charge sharing unit according to the instant analysis result.Type: GrantFiled: March 21, 2019Date of Patent: October 27, 2020Assignee: Raydium Semiconductor CorporationInventors: Chien-Hao Chen, Chih-Hao Wu, Chih-Chuan Huang, Sung-Bo Chen
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Patent number: 10808357Abstract: A dredging slurry system with a pulp tank is introduced, which is applied for a wet paper pulp molding apparatus. The system comprises the pulp tank, a dredging slurry mold seat, an activating unit, a slurry-physical-feature detection unit and at least one inflow unit and a control unit. The slurry-physical-feature detection unit is used to detect at least one physical feature from a slurry within the pulp tank, during a plurality of different stages, thereby relatively outputting a physical feature data. The control unit is used to control the at least one inflow unit to a manner whether to pour a newly-added slurry into the pulp tank or not, depending upon the physical feature data.Type: GrantFiled: April 19, 2019Date of Patent: October 20, 2020Assignee: YULAN GREEN TECHNOLOGY CO., LTD.Inventor: Chih-Hao Wu
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Publication number: 20200224366Abstract: A dredging slurry system with a pulp tank is introduced, which is applied for a wet paper pulp molding apparatus. The system comprises the pulp tank, a dredging slurry mold seat, an activating unit, a slurry-physical-feature detection unit and at least one inflow unit and a control unit. The slurry-physical-feature detection unit is used to detect at least one physical feature from a slurry within the pulp tank, during a plurality of different stages, thereby relatively outputting a physical feature data. The control unit is used to control the at least one inflow unit to a manner whether to pour a newly-added slurry into the pulp tank or not, depending upon the physical feature data.Type: ApplicationFiled: April 19, 2019Publication date: July 16, 2020Inventor: CHIH-HAO WU
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Patent number: 10707262Abstract: A detecting device is provided. The detecting device includes a substrate, at least one transistor, at least one detecting element, and a scintillator layer. The transistor is disposed on the substrate. The detecting element is disposed on the transistor and electrically connects to the transistor. The detecting element includes a first electrode layer, a semiconductor layer, and a second electrode layer. The semiconductor layer is disposed on the first electrode layer, and the second electrode layer is disposed on the semiconductor layer. The scintillator layer is disposed on one side of the substrate, wherein at least one corner area of the scintillator layer has a curved structure or a chamfered structure.Type: GrantFiled: August 23, 2018Date of Patent: July 7, 2020Assignee: INNOLUX CORPORATIONInventor: Chih-Hao Wu
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Publication number: 20200064497Abstract: A light detection device includes a first gate line, a second gate line adjacent to the first gate line, a first switching unit, a second switching unit, and a readout circuit. The first switching unit includes a first gate electrode connected to the first gate line, and a first drain electrode electrically connected to a light sensing unit. The second switching unit includes a second gate electrode connected to the second gate line, and a second drain electrode electrically connected to a light sensing unit. An operation method of the light detection device includes receiving a first readout signal and a second readout signal from the first switching unit and the second switching unit respectively by the readout circuit and calculating a difference between the first readout signal and the second readout signal for determining whether the light detection device is irradiated by detection light.Type: ApplicationFiled: July 24, 2019Publication date: February 27, 2020Inventor: Chih-Hao Wu
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Publication number: 20200033485Abstract: A photodetecting device is provided. The photodetecting device includes an array substrate. The first scan line extends in a first direction. The first data line extends in a second direction, wherein first data line is crossed with the first scan line. The first electronic unit is electrically connected to the first scan line and the first data line. The second electronic unit is adjacent to the first electronic unit and is disposed along the first direction. The third electronic unit is adjacent to the first electronic unit and is disposed along the second direction. The common line transmits a signal to the first electronic unit, the second electronic unit and the third electronic unit. The common line is disposed between the first electronic unit and the second electronic unit, or between the first electronic unit and the third electronic unit.Type: ApplicationFiled: June 26, 2019Publication date: January 30, 2020Inventor: Chih-Hao WU
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Patent number: 10497314Abstract: Disclosed are a driving method and a driving device for improving a contrast of an OLED image. The driving method includes steps of dividing an OLED display panel into a plurality of partitions, calculating an average pixel level of one frame of image to be displayed corresponding to each partition, determining, based on the average pixel level, a preset value of a discharge reference voltage, and regulating the discharge reference voltage applied to pixel driving circuits in the partition to the preset value. The driving method can significantly improve the contrast of the OLED image during display.Type: GrantFiled: December 21, 2016Date of Patent: December 3, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaolong Chen, Chih Hao Wu, Ming Jong Jou
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Patent number: 10490593Abstract: An active matrix image sensing device includes an image sensing substrate and a scintillator substrate. The image sensing substrate has a plurality of image sensing pixels. The scintillator substrate is disposed opposite to the image sensing substrate and includes a first substrate, a plurality of guiding members, a reflective layer and a scintillator layer. The guiding members are disposed on the first substrate and protruded from the first substrate toward the image sensing substrate. The guiding members are located corresponding to the image sensing pixels, respectively. The reflective layer is disposed on the guiding members, and the scintillator layer is disposed between the reflective layer and the image sensing substrate.Type: GrantFiled: March 29, 2019Date of Patent: November 26, 2019Assignee: Innolux CorporationInventor: Chih-Hao Wu
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Patent number: 10446602Abstract: A sensor device is provided and includes a first transistor, a second transistor, a third transistor, and a photosensor. The first transistor has a first gate, a first drain, and a first source. The first drain is coupled to a first power line and has a concave surface, and the first source is disposed corresponding to the concave surface. The second transistor has a second source, coupled to the first gate. The third transistor has a third gate, a third drain, and a third source, the third drain is coupled to the first source, the third source is coupled to the data line, and the third gate is coupled to the readout line. The photosensor is coupled to the first gate.Type: GrantFiled: April 3, 2018Date of Patent: October 15, 2019Assignee: InnoLux CorporationInventors: Chih-Hao Wu, Li-Wei Sung
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Publication number: 20190302873Abstract: A power saving control apparatus applied to a display driving circuit is disclosed. The power saving control apparatus includes a data analysis unit, a bias control unit and a charge sharing unit. The bias control unit is used to perform bias control. The charge sharing unit is used for charge sharing. The data analysis unit is coupled to the bias control unit and the charge sharing unit respectively. The data analysis unit instantly analyzes the display data to generate an instant analysis result and dynamically adjust the setting of bias and slew rate of the bias control unit according to the instant analysis result. The data analysis unit can dynamically adjust the setting of charge sharing range and charge sharing group number needed to be performed by the charge sharing unit according to the instant analysis result.Type: ApplicationFiled: March 21, 2019Publication date: October 3, 2019Inventors: Chien-Hao CHEN, Chih-Hao WU, Chih-Chuan HUANG, Sung-Bo CHEN
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Publication number: 20190229146Abstract: An active matrix image sensing device includes an image sensing substrate and a scintillator substrate. The image sensing substrate has a plurality of image sensing pixels. The scintillator substrate is disposed opposite to the image sensing substrate and includes a first substrate, a plurality of guiding members, a reflective layer and a scintillator layer. The guiding members are disposed on the first substrate and protruded from the first substrate toward the image sensing substrate. The guiding members are located corresponding to the image sensing pixels, respectively. The reflective layer is disposed on the guiding members, and the scintillator layer is disposed between the reflective layer and the image sensing substrate.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Inventor: Chih-Hao WU
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Publication number: 20190213955Abstract: Disclosed are a driving method and a driving device for improving a contrast of an OLED image. The driving method includes steps of dividing an OLED display panel into a plurality of partitions, calculating an average pixel level of one frame of image to be displayed corresponding to each partition, determining, based on the average pixel level, a preset value of a discharge reference voltage, and regulating the discharge reference voltage applied to pixel driving circuits in the partition to the preset value. The driving method can significantly improve the contrast of the OLED image during display.Type: ApplicationFiled: December 21, 2016Publication date: July 11, 2019Inventors: Xiaolong CHEN, Chih Hao WU, Ming Jong JOU
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Publication number: 20190109172Abstract: A detecting device is provided. The detecting device includes a substrate, at least one transistor, at least one detecting element, and a scintillator layer. The transistor is disposed on the substrate. The detecting element is disposed on the transistor and electrically connects to the transistor. The detecting element includes a first electrode layer, a semiconductor layer, and a second electrode layer. The semiconductor layer is disposed on the first electrode layer, and the second electrode layer is disposed on the semiconductor layer. The scintillator layer is disposed on one side of the substrate, wherein at least one corner area of the scintillator layer has a curved structure or a chamfered structure.Type: ApplicationFiled: August 23, 2018Publication date: April 11, 2019Inventor: Chih-Hao WU
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Publication number: 20180308981Abstract: A sensor device is provided and includes a first transistor, a second transistor, a third transistor, and a photosensor. The first transistor has a first gate, a first drain, and a first source. The first drain is coupled to a first power line and has a concave surface, and the first source is disposed corresponding to the concave surface. The second transistor has a second source, coupled to the first gate. The third transistor has a third gate, a third drain, and a third source, the third drain is coupled to the first source, the third source is coupled to the data line, and the third gate is coupled to the readout line. The photosensor is coupled to the first gate.Type: ApplicationFiled: April 3, 2018Publication date: October 25, 2018Inventors: Chih-Hao Wu, Li-Wei Sung