Patents by Inventor Wei-Chieh Chiang
Wei-Chieh Chiang 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: 10510794Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a pixel sensor disposed in the substrate, an isolation structure surrounding the pixel sensor and disposed in the substrate, a dielectric layer disposed over the pixel sensor on the front side of the substrate, and a plurality of conductive structures disposed in the dielectric layer and arranged to aligned with the isolation structure.Type: GrantFiled: December 15, 2017Date of Patent: December 17, 2019Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Wen-Hau Wu, Keng-Yu Chou, Chun-Hao Chuang, Wei-Chieh Chiang, Chien-Hsien Tseng, Kazuaki Hashimoto
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Publication number: 20190378863Abstract: In some embodiments, the present disclosure relates to an image sensor integrated chip. The integrated chip has an image sensing element arranged within a substrate. A first dielectric is disposed in one or more trenches within a first side of the substrate. The one or more trenches laterally surround the image sensing element. The substrate includes a recessed portion arranged along the first side of the substrate and defined by second sidewalls of the substrate directly over the image sensing element. The second sidewalls of the substrate are angled to meet at a point disposed along a horizontal plane that intersects the first dielectric within the one or more trenches.Type: ApplicationFiled: July 19, 2019Publication date: December 12, 2019Inventors: Keng-Yu Chou, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang, Jhy-Jyi Sze
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Publication number: 20190333950Abstract: An image sensor includes a color filter array and a light receiving element. The color filter array includes plural repeating unit cells including first, second, and third unit cells. The first and second unit cells are adjacent to each other in a first direction, the second and third unit cells are adjacent to each other in a second direction transverse to the first direction. Each of the first, second, and third unit cells includes at least one first yellow filter configured to transmit a green component and a red component of incident light, and each of the first, second, and third unit cells does not comprise a red filter configured to transmit the red component of the incident light. The light receiving element is configured to convert the incident light transmitted by the color filter array into electric signals.Type: ApplicationFiled: July 8, 2019Publication date: October 31, 2019Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Wei-Chieh CHIANG, Keng-Yu CHOU, Chun-Hao CHUANG, Chien-Hsien TSENG, Kazuaki HASHIMOTO
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Patent number: 10367023Abstract: In some embodiments, the present disclosure relates to an image sensor integrated chip. The integrated chip has an image sensing element arranged within a pixel region of a substrate. A first dielectric is disposed in trenches within a first side of the substrate. The trenches are defined by first sidewalls disposed on opposing sides of the pixel region. An internal reflection enhancement structure is arranged along the first side of the substrate and is configured to reflect radiation exiting from the substrate back into the substrate.Type: GrantFiled: June 12, 2018Date of Patent: July 30, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Keng-Yu Chou, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang, Jhy-Jyi Sze
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Patent number: 10347675Abstract: An image sensor includes a color filter array and a light receiving element. The color filter array includes plural repeating unit cells, and at least one of the unit cells includes at least a yellow filter, at least one green filter, and at least one blue filter. The yellow filter is configured to transmit a green component and a red component of incident light. The green filter is configured to transmit the green component of the incident light. The blue filter is configured to transmit a blue component of the incident light. Each of the unit cells does not comprise a red filter configured to transmit the red component of the incident light. The light receiving element is configured to convert the incident light transmitted by the color filter array into electric signals.Type: GrantFiled: May 16, 2017Date of Patent: July 9, 2019Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Wei-Chieh Chiang, Keng-Yu Chou, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto
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Publication number: 20190131327Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a plurality of pixel sensors arranged in an array, an isolation grid disposed in the substrate and separating the plurality of pixel sensors from each other, and a reflective grid disposed over the isolation grid on the back side of the substrate. A depth of the reflective grid is less than a depth of the isolation grid.Type: ApplicationFiled: March 22, 2018Publication date: May 2, 2019Inventors: KENG-YU CHOU, WEI-CHIEH CHIANG, CHEN-JONG WANG, CHIEN-HSIEN TSENG, KAZUAKI HASHIMOTO
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Publication number: 20190131329Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a pixel sensor disposed in the substrate, an isolation structure surrounding the pixel sensor and disposed in the substrate, a dielectric layer disposed over the pixel sensor on the front side of the substrate, and a plurality of conductive structures disposed in the dielectric layer and arranged to aligned with the isolation structure.Type: ApplicationFiled: December 15, 2017Publication date: May 2, 2019Inventors: WEN-HAU WU, Keng-yu Chou, Chun-Hao Chuang, Wei-Chieh Chiang, Chien-Hsien Tseng, Kazuaki Hashimoto
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Publication number: 20190131339Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a pixel sensor disposed in the substrate, and a color filter disposed over the pixel sensor. The pixel sensor includes a plurality of first micro structures disposed over the back side of the substrate, and the color filter includes a plurality of second micro structures disposed over the back side of the substrate.Type: ApplicationFiled: August 10, 2018Publication date: May 2, 2019Inventors: WEI-CHIEH CHIANG, KENG-YU CHOU, CHUN-HAO CHUANG, WEN-HAU WU, JHY-JYI SZE, CHIEN-HSIEN TSENG, KAZUAKI HASHIMOTO
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Publication number: 20190096930Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, and a plurality of pixel sensors arranged in an array. Each of the pixel sensors includes a photo-sensing device in the substrate, a color filter over the pixel sensor on the back side, and an optical structure over the color filter on the back side. The optical structure includes a first sidewall, and the first sidewall and a plane substantially parallel with a front surface of the substrate form an included angel greater than 0°.Type: ApplicationFiled: January 17, 2018Publication date: March 28, 2019Inventors: CHUN-HAO CHUANG, KENG-YU CHOU, WEN-HAU WU, WEI-CHIEH CHIANG, CHIEN-HSIEN TSENG, KAZUAKI HASHIMOTO
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Patent number: 10134794Abstract: An image sensor chip having a sidewall interconnect structure to bond and/or electrically couple the image sensor chip to a package substrate is provided. The image sensor chip includes a substrate supporting an integrated circuit (IC) configured to sense incident light. The sidewall interconnect structure is arranged along a sidewall of the substrate and electrically coupled with the IC. A method for manufacturing the image sensor chip and an image sensor package including the image sensor chip are also provided.Type: GrantFiled: April 14, 2017Date of Patent: November 20, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Kuo-Chin Huang, Pao-Tung Chen, Wei-Chieh Chiang, Kazuaki Hashimoto, Jen-Cheng Liu
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Publication number: 20180277580Abstract: An image sensor includes a color filter array and a light receiving element. The color filter array includes plural repeating unit cells, and at least one of the unit cells includes at least a yellow filter, at least one green filter, and at least one blue filter. The yellow filter is configured to transmit a green component and a red component of incident light. The green filter is configured to transmit the green component of the incident light. The blue filter is configured to transmit a blue component of the incident light. Each of the unit cells does not comprise a red filter configured to transmit the red component of the incident light. The light receiving element is configured to convert the incident light transmitted by the color filter array into electric signals.Type: ApplicationFiled: May 16, 2017Publication date: September 27, 2018Inventors: Wei-Chieh CHIANG, Keng-Yu CHOU, Chun-Hao CHUANG, Chien-Hsien TSENG, Kazuaki HASHIMOTO
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Patent number: 10002899Abstract: An image sensor for high angular response discrimination is provided. A plurality of pixels comprises a phase detection autofocus (PDAF) pixel and an image capture pixel. Pixel sensors of the pixels are arranged in a semiconductor substrate. A grid structure is arranged over the semiconductor substrate, laterally surrounding color filters of the pixels. Microlenses of the pixels are arranged over the grid structure, and comprise a PDAF microlens of the PDAF pixel and an image capture microlens of the image capture pixel. The PDAF microlens comprises a larger optical power than the image capture microlens, or comprises a location or shape so a PDAF receiving surface of the PDAF pixel has an asymmetric profile. A method for manufacturing the image sensor is also provided.Type: GrantFiled: September 16, 2015Date of Patent: June 19, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Keng-Yu Chou, Chien-Hsien Tseng, Wei-Chieh Chiang, Wen-I Hsu, Yuichiro Yamashita
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Patent number: 9929198Abstract: An image sensor includes a substrate, dual-waveband photosensitive devices, at least one infrared photosensitive device, a transparent dielectric layer, at least one infrared band-pass filter, a color filter layer and a micro-lens layer. The dual-waveband photosensitive devices are disposed in the substrate, and each dual-waveband photosensitive device is configured to sense an infrared light and one visible light. The infrared photosensitive device is disposed in the substrate, in which the dual-waveband photosensitive devices and the infrared photosensitive device are arranged in an array. The transparent dielectric layer is disposed over the dual-waveband photosensitive devices and the infrared photosensitive device. The infrared band-pass filter is disposed in the transparent dielectric layer and corresponds to the infrared photosensitive device. The color filter layer is disposed to cover the transparent dielectric layer and the infrared band-pass filter.Type: GrantFiled: October 2, 2014Date of Patent: March 27, 2018Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Keng-Yu Chou, Kazuaki Hashimoto, Jen-Cheng Liu, Jhy-Jyi Sze, Wei-Chieh Chiang, Pao-Tung Chen
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Patent number: 9893111Abstract: The present disclosure relates to an image sensor having autofocus function and associated methods. In some embodiments, the image sensor has first and second image sensing pixels arranged one next to another in a row. Each of the first and second image sensing pixels respectively have a left PD (phase detection) pixel including a left photodiode operably coupled to a left transfer gate, and a right PD pixel including a right photodiode operably coupled to a right transfer gate. The right transfer gate of the second image sensing pixel is a mirror image of the left transfer gate of the first image sensing pixel along a boundary line between the first and second image sensing pixels. The left transfer gate of the second image sensing pixel is a mirror image of the right transfer gate of the first image sensing pixel along the boundary line.Type: GrantFiled: April 13, 2016Date of Patent: February 13, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Keng-Yu Chou, Chun-Hao Chuang, Chien-Hsien Tseng, Dun-Nian Yaung, Wei-Chieh Chiang
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Publication number: 20170301718Abstract: The present disclosure relates to an image sensor having autofocus function and associated methods. In some embodiments, the image sensor has first and second image sensing pixels arranged one next to another in a row. Each of the first and second image sensing pixels respectively have a left PD (phase detection) pixel including a left photodiode operably coupled to a left transfer gate, and a right PD pixel including a right photodiode operably coupled to a right transfer gate. The right transfer gate of the second image sensing pixel is a mirror image of the left transfer gate of the first image sensing pixel along a boundary line between the first and second image sensing pixels. The left transfer gate of the second image sensing pixel is a mirror image of the right transfer gate of the first image sensing pixel along the boundary line.Type: ApplicationFiled: April 13, 2016Publication date: October 19, 2017Inventors: Keng-Yu Chou, Chun-Hao Chuang, Chien-Hsien Tseng, Dun-Nian Yaung, Wei-Chieh Chiang
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Patent number: 9780134Abstract: In some embodiments in accordance with the present disclosure, an image sensor is provided. The image sensor includes a substrate having a body. The body includes a first surface and a second surface opposite to the first surface. A through via is configured to extend from the first surface to the second surface. An intermediate layer is disposed over the body and configured to cover the through via. An image sensing device is disposed over the intermediate layer. In addition, a lens structure is disposed over the substrate, the intermediate layer and the image sensing device. In certain embodiments, the image sensing device is curved. In some embodiments, the image sensing device includes a semiconductor chip having a CMOS image sensing array.Type: GrantFiled: May 16, 2014Date of Patent: October 3, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Kazuaki Hashimoto, Jen-Cheng Liu, Wei-Chieh Chiang, Pao-Tung Chen
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Publication number: 20170221952Abstract: An image sensor chip having a sidewall interconnect structure to bond and/or electrically couple the image sensor chip to a package substrate is provided. The image sensor chip includes a substrate supporting an integrated circuit (IC) configured to sense incident light. The sidewall interconnect structure is arranged along a sidewall of the substrate and electrically coupled with the IC. A method for manufacturing the image sensor chip and an image sensor package including the image sensor chip are also provided.Type: ApplicationFiled: April 14, 2017Publication date: August 3, 2017Inventors: Kuo-Chin Huang, Pao-Tung Chen, Wei-Chieh Chiang, Kazuaki Hashimoto, Jen-Cheng Liu
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Patent number: 9634053Abstract: An image sensor chip having a sidewall interconnect structure to bond and/or electrically couple the image sensor chip to a package substrate is provided. The image sensor chip includes a substrate supporting an integrated circuit (IC) configured to sense incident light. The sidewall interconnect structure is arranged along a sidewall of the substrate and electrically coupled with the IC. A method for manufacturing the image sensor chip and an image sensor package including the image sensor chip are also provided.Type: GrantFiled: December 9, 2014Date of Patent: April 25, 2017Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Kuo-Chin Huang, Pao-Tung Chen, Wei-Chieh Chiang, Kazuaki Hashimoto, Jen-Cheng Liu
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Patent number: 9609239Abstract: An image sensor includes a substrate, a plurality of visible light photosensitive devices, an infrared photosensitive device, a plurality of color filters, an infrared band-pass filter, a micro-lens layer and an infrared filter layer. The plurality of visible light photosensitive devices and the infrared photosensitive device are disposed in the substrate, wherein the plurality of visible light photosensitive devices and the infrared photosensitive device are arranged in an array. The plurality of color filters are respectively disposed to cover the plurality of visible light photosensitive device. In addition, the infrared band-pass filter disposed to cover the infrared photosensitive device. Furthermore, the micro-lens layer is disposed on the plurality of color filters and the infrared band-pass filter. The infrared filter layer is disposed to cover the plurality of visible light photosensitive device.Type: GrantFiled: August 20, 2015Date of Patent: March 28, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Yuichiro Yamashita
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Publication number: 20170077163Abstract: An image sensor for high angular response discrimination is provided. A plurality of pixels comprises a phase detection autofocus (PDAF) pixel and an image capture pixel. Pixel sensors of the pixels are arranged in a semiconductor substrate. A grid structure is arranged over the semiconductor substrate, laterally surrounding color filters of the pixels. Microlenses of the pixels are arranged over the grid structure, and comprise a PDAF microlens of the PDAF pixel and an image capture microlens of the image capture pixel. The PDAF microlens comprises a larger optical power than the image capture microlens, or comprises a location or shape so a PDAF receiving surface of the PDAF pixel has an asymmetric profile. A method for manufacturing the image sensor is also provided.Type: ApplicationFiled: September 16, 2015Publication date: March 16, 2017Inventors: Keng-Yu Chou, Chien-Hsien Tseng, Wei-Chieh Chiang, Wen-I Hsu, Yuichiro Yamashita