Patents by Inventor Tsang-Chih Wu
Tsang-Chih 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: 11973055Abstract: In an embodiment, a device includes: a first wafer including a first substrate and a first interconnect structure, a sidewall of the first interconnect structure forming an obtuse angle with a sidewall of the first substrate; and a second wafer bonded to the first wafer, the second wafer including a second substrate and a second interconnect structure, the sidewall of the first substrate being laterally offset from a sidewall of the second substrate and a sidewall of the second interconnect structure.Type: GrantFiled: July 21, 2022Date of Patent: April 30, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yung-Chi Lin, Tsang-Jiuh Wu, Wen-Chih Chiou, Chen-Hua Yu
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Publication number: 20240136199Abstract: A semiconductor device and a semiconductor manufacturing method thereof are provided. The semiconductor manufacturing method includes the following streps. A first semiconductor element with a first bonding film is formed. The first bonding film is formed on a first side of the first semiconductor element. The first semiconductor element and the first bonding film form a taper structure. The first bonding film forms a wide portion of the taper structure. The first semiconductor element forms a narrow portion of the taper structure. A second semiconductor element with a second bonding film is formed. The second bonding film is formed on the second semiconductor element. The first semiconductor element and the second semiconductor element are bonded by bonding the first bonding film and the second bonding film. An oxide layer is filled to surround the first semiconductor element and the first bonding film.Type: ApplicationFiled: January 20, 2023Publication date: April 25, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yung-Chi LIN, Tsang-Jiuh WU, Wen-Chih CHIOU
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Patent number: 11961800Abstract: A method for forming a via in a semiconductor device and a semiconductor device including the via are disclosed. In an embodiment, the method may include bonding a first terminal and a second terminal of a first substrate to a third terminal and a fourth terminal of a second substrate; separating the first substrate to form a first component device and a second component device; forming a gap fill material over the first component device, the second component device, and the second substrate; forming a conductive via extending from a top surface of the gap fill material to a fifth terminal of the second substrate; and forming a top terminal over a top surface of the first component device, the top terminal connecting the first component device to the fifth terminal of the second substrate through the conductive via.Type: GrantFiled: July 21, 2022Date of Patent: April 16, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hua Yu, An-Jhih Su, Chi-Hsi Wu, Wen-Chih Chiou, Tsang-Jiuh Wu, Der-Chyang Yeh, Ming Shih Yeh
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Patent number: 11948920Abstract: Provided are a semiconductor device and a method for manufacturing the same, and a semiconductor package. The semiconductor device includes a die stack and a cap substrate. The die stack includes a first die, second dies stacked on the first die, and a third die stacked on the second dies. The first die includes first through semiconductor vias. Each of the second dies include second through semiconductor vias. The third die includes third through semiconductor vias. The cap substrate is disposed on the third die of the die stack. A sum of a thickness of the third die and a thickness of the cap substrate ranges from about 50 ?m to about 80 ?m.Type: GrantFiled: August 30, 2021Date of Patent: April 2, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: I-Chun Hsu, Yan-Zuo Tsai, Chia-Yin Chen, Yang-Chih Hsueh, Yung-Chi Lin, Tsang-Jiuh Wu, Wen-Chih Chiou
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Patent number: 11703705Abstract: A liquid crystal display panel includes a first transparent glass layer; a second transparent glass layer overlapping the first transparent glass layer; two or more pixel units disposed on a side of the first transparent glass layer opposite to the second transparent glass layer, each of the pixel units including a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel arranged in accordance with a predetermined rule; a black matrix disposed between the pixel units to isolate two pixel units adjacent to each other; and a fingerprint sensor disposed on the second transparent glass layer, and covered by the black matrix; when the fingerprint sensor is viewed from the top, an area of the fingerprint sensor corresponding to a region of the red sub-pixels is larger than any one of areas of the fingerprint sensors corresponding to respective regions of the green, blue, and white sub-pixels.Type: GrantFiled: May 12, 2020Date of Patent: July 18, 2023Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Chih-jen Cheng, Che-jui Hsu, Tsang-chih Wu
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Patent number: 11417141Abstract: An in-screen fingerprint identification apparatus includes a display panel and a fingerprint identification module. The display panel includes a backlight module, a liquid crystal layer, and a cover glass, which are sequentially stacked. The cover glass includes a fingerprint identification area. The fingerprint identification module includes a light source, a photosensor, and light guiding layers disposed on the cover glass. The light guiding layers at least cover portions of opposite sides of the cover glass, respectively, such that light emitted by the light source after being reflected in the cover glass is guided to the fingerprint identification area. The photosensor is disposed in the display panel and corresponds to the fingerprint identification area to receive an optical signal of the light source emitted by the light source after being reflected by a finger in the fingerprint identification area.Type: GrantFiled: August 14, 2019Date of Patent: August 16, 2022Assignees: Beijing Xiaomi Mobile Software Co., Ltd., Nanjing Branch, Bejjing Xiaomi Mobile Software Co., Ltd.Inventors: Chih-jen Cheng, Tsang-chih Wu, Che-jui Hsu
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Publication number: 20220165081Abstract: The present disclosure relates to an in-screen fingerprint identification apparatus and an electronic device. The in-screen fingerprint identification apparatus includes a display panel and a fingerprint identification module. The display panel includes a backlight module, a liquid crystal layer, and a cover glass, which are sequentially stacked. The cover glass includes a fingerprint identification area. The fingerprint identification module includes a light source, a photosensor, and light guiding layers disposed on the cover glass. The light guiding layers at least cover portions of opposite sides of the cover glass, respectively, such that light emitted by the light source after being reflected in the cover glass is guided to the fingerprint identification area.Type: ApplicationFiled: August 14, 2019Publication date: May 26, 2022Inventors: Chih-jen CHENG, Tsang-chih WU, Che-Jui HSU
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Patent number: 11221734Abstract: Provided is a punch-hole screen display method and a terminal. The punch-hole screen comprises a display area and at least two hole-regions disposed in the display area for light to enter. The method comprises: acquiring, by the terminal, a display mode switching instruction; determining a display mode of the punch-hole screen based on the display mode switching instruction, the display mode defines a target screen area and a display manner of the target screen area in a bright screen state, and the target screen area is a display zone associated with the hole-regions in the display area; and displaying the target screen area in the display manner.Type: GrantFiled: April 24, 2020Date of Patent: January 11, 2022Assignee: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Tsang-chih Wu, Yung Chi Wen
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Patent number: 11169638Abstract: A method for scanning a touch screen includes: scanning the touch screen in a first scanning manner, the first scanning manner using a first report rate; and switching to a second scanning manner to scan the touch screen in response to detecting that the touch screen is touched in the first scanning manner, the second scanning manner using a second report rate. The number of scan regions into which the touch screen is divided in the first scanning manner is smaller than that of scan regions into which the touch screen is divided in the second scanning manner, and the first report rate is greater than or equal to the second report rate.Type: GrantFiled: November 30, 2019Date of Patent: November 9, 2021Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Tsang-chih Wu
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Patent number: 11139259Abstract: A display driving system includes a first chip and a second chip that are vertically docked; the first chip includes a first substrate and a first silicon wafer provided on a side of the first chip away from the first substrate; the second chip includes a second substrate and a second silicon wafer provided on a side of the second chip away from the second substrate; the first chip is docked with the second chip through docking of the first silicon wafer and the second silicon wafer; wherein, the first chip is configured to provide driving data, and the second chip is configured to process image data.Type: GrantFiled: September 10, 2020Date of Patent: October 5, 2021Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Tsang-chih Wu, Yung Chi Wen
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Publication number: 20210305185Abstract: A display driving system includes a first chip and a second chip that are vertically docked; the first chip includes a first substrate and a first silicon wafer provided on a side of the first chip away from the first substrate; the second chip includes a second substrate and a second silicon wafer provided on a side of the second chip away from the second substrate; the first chip is docked with the second chip through docking of the first silicon wafer and the second silicon wafer; wherein, the first chip is configured to provide driving data, and the second chip is configured to process image data.Type: ApplicationFiled: September 10, 2020Publication date: September 30, 2021Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Tsang-chih WU, Yung Chi WEN
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Patent number: 11119605Abstract: A method for scanning a touch screen includes: scanning the touch screen in a first scanning manner, the first scanning manner using a first report rate; and switching to a second scanning manner to scan the touch screen in response to detecting that the touch screen is touched in the first scanning manner, the second scanning manner using a second report rate. The number of scan regions into which the touch screen is divided in the first scanning manner is smaller than that of scan regions into which the touch screen is divided in the second scanning manner, and the first report rate is greater than or equal to the second report rate.Type: GrantFiled: November 30, 2019Date of Patent: September 14, 2021Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Tsang-chih Wu
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Publication number: 20210132772Abstract: Provided is a punch-hole screen display method and a terminal. The punch-hole screen comprises a display area and at least two hole-regions disposed in the display area for light to enter. The method comprises: acquiring, by the terminal, a display mode switching instruction; determining a display mode of the punch-hole screen based on the display mode switching instruction, the display mode defines a target screen area and a display manner of the target screen area in a bright screen state, and the target screen area is a display zone associated with the hole-regions in the display area; and displaying the target screen area in the display manner.Type: ApplicationFiled: April 24, 2020Publication date: May 6, 2021Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Tsang-chih WU, Yung Chi WEN
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Publication number: 20210110134Abstract: A liquid crystal display panel includes a first transparent glass layer; a second transparent glass layer overlapping the first transparent glass layer; two or more pixel units disposed on a side of the first transparent glass layer opposite to the second transparent glass layer, each of the pixel units including a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel arranged in accordance with a predetermined rule; a black matrix disposed between the pixel units to isolate two pixel units adjacent to each other; and a fingerprint sensor disposed on the second transparent glass layer, and covered by the black matrix; when the fingerprint sensor is viewed from the top, an area of the fingerprint sensor corresponding to a region of the red sub-pixels is larger than any one of areas of the fingerprint sensors corresponding to respective regions of the green, blue, and white sub-pixels.Type: ApplicationFiled: May 12, 2020Publication date: April 15, 2021Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Chih-jen CHENG, Che-jui HSU, Tsang-chih WU
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Patent number: 10935850Abstract: Aspects of the disclosure provide a display panel that can include a display region, a blind hole arranged in the display region for light passage, and a light-shielding region arranged between the display region and a hole region. The display panel can also include a Photo Spacer (PS) structure that is arranged in a liquid crystal layer in the display region and the light-shielding region for supporting the cell thickness of the liquid crystal layer. The density of the PS structure in the liquid crystal layer increases and then decreases from the display region to the light-shielding region, with the density of the PS structure in the light-shielding region is highest.Type: GrantFiled: February 26, 2020Date of Patent: March 2, 2021Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Che-Jui Hsu, Tsang-chih Wu
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Publication number: 20200401308Abstract: A method for scanning a touch screen includes: scanning the touch screen in a first scanning manner, the first scanning manner using a first report rate; and switching to a second scanning manner to scan the touch screen in response to detecting that the touch screen is touched in the first scanning manner, the second scanning manner using a second report rate. The number of scan regions into which the touch screen is divided in the first scanning manner is smaller than that of scan regions into which the touch screen is divided in the second scanning manner, and the first report rate is greater than or equal to the second report rate.Type: ApplicationFiled: November 30, 2019Publication date: December 24, 2020Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Tsang-chih WU
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Patent number: 9898115Abstract: A touch electrode layer includes a plurality of first touch electrodes and a plurality of second touch electrodes. The first touch electrodes are arranged to form a rectangle, wherein shapes of the first touch electrodes have the same size. The second touch electrodes are disposed around a periphery of the first touch electrodes. The second touch electrodes and the first touch electrodes are arranged to form a circle or a quasi-circle so as to define a circuit touch area or a quasi-circle touch area. A shape of each of the second touch electrodes is an arcuate triangle.Type: GrantFiled: October 7, 2015Date of Patent: February 20, 2018Assignee: ITE TECH. INC.Inventors: Tsang-Chih Wu, Tsung-Yen Chuang, Yu-Fen Weng, Fang-Nan Chu
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Publication number: 20170024030Abstract: A touch electrode layer includes a plurality of first touch electrodes and a plurality of second touch electrodes. The first touch electrodes are arranged to form a rectangle, wherein shapes of the first touch electrodes have the same size. The second touch electrodes are disposed around a periphery of the first touch electrodes. The second touch electrodes and the first touch electrodes are arranged to form a circle or a quasi-circle so as to define a circuit touch area or a quasi-circle touch area. A shape of each of the second touch electrodes is an arcuate triangle.Type: ApplicationFiled: October 7, 2015Publication date: January 26, 2017Applicant: ITE TECH. INC.Inventors: Tsang-Chih Wu, Tsung-Yen Chuang, Yu-Fen Weng, Fang-Nan Chu
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Publication number: 20150193075Abstract: A touch apparatus and a touch method thereof are provided. At first, whether the touch apparatus is under the influence of the noise interference is determined according to a plurality of differences between a plurality of sensing values of adjacent touch sensing periods within a recent predetermined period. Then, a touch detection operating frequency of the touch apparatus is adjusted when the touch apparatus is under the influence of noise interference.Type: ApplicationFiled: April 11, 2014Publication date: July 9, 2015Applicant: ITE TECH. INC.Inventors: Shih-Chieh Chang, Tsang-Chih Wu
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Patent number: 8350825Abstract: A touch panel is disclosed. The touch panel mentioned above includes at least a touching detection column and a touching detection module. The detection column includes N first touching detection units, N is a positive integer. Each of the first touching detection units transfers a first capacitance varying value according to an area cover by a touching point. The touching detection module operates a differential operating on the first capacitance varying values from two of the first touching detection units which is disposed adjoining in sequential for obtaining a capacitance varying order distribution. The touching detection module obtains a number of at least one first touching point and coordinates thereof by calculating the capacitance varying order distribution.Type: GrantFiled: November 16, 2009Date of Patent: January 8, 2013Assignee: ITE Tech. Inc.Inventor: Tsang-Chih Wu