Patents by Inventor Zen-Fong Huang
Zen-Fong Huang 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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Publication number: 20240021651Abstract: An image sensor includes a pixel array, a dielectric layer, a plurality of first conductive shielding regions, and a plurality of second conductive shielding regions. The pixel array includes photodiodes within a substrate. The dielectric layer is over the substrate. From a plan view, the first conductive shielding regions are adjacent four corners of the pixel array, and the second conductive shielding regions are adjacent four sides of the pixel array. The second conductive region has a length-to-width ratio greater than a length-to-width ratio of the first conductive region.Type: ApplicationFiled: July 27, 2023Publication date: January 18, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Volume CHIEN, Su-Hua CHANG, Chia-Yu WEI, Zen-Fong HUANG, Chi-Cherng JENG
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Patent number: 11810939Abstract: A backside illuminated image sensor device with a shielding layer and a manufacturing method thereof are provided. In the backside illuminated image senor device, a patterned conductive shielding layer is formed on a dielectric layer on a backside surface of a semiconductor substrate and surrounding a pixel array on a front side surface of the semiconductor substrate.Type: GrantFiled: May 13, 2022Date of Patent: November 7, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Volume Chien, Su-Hua Chang, Chia-Yu Wei, Zen-Fong Huang, Chi-Cherng Jeng
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Patent number: 11778320Abstract: A photosensitive unit and a photo-insensitive unit are formed in a substrate. A lens is formed to cover the photosensitive unit and the photo-insensitive unit, and the lens has a single radius of curvature and an optical axis passing through a surface of the curvature at the center of the lens. The photosensitive unit is disposed at a first side of the optical axis and the photo-insensitive unit is disposed at a second side opposite to the first side of the optical axis, a light beam passing through the lens is simultaneously incident into the photosensitive unit and the photo-insensitive unit without being blocked, and the photosensitive unit detects the light beam while the photo-insensitive unit is ineffective in sensing the light beam. A conductive feature is formed over the substrate between the photosensitive unit and the photo-insensitive unit, wherein the optical axis of the lens passes the conductive feature.Type: GrantFiled: April 18, 2022Date of Patent: October 3, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Zen-Fong Huang, Volume Chien
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Publication number: 20230261023Abstract: An image sensor device includes a substrate, a deep-trench isolation structure, an oxide layer, a light blocking structure, and an adhesion layer. The substrate has a photosensitive region. The deep-trench isolation structure is in the substrate and adjacent the photosensitive region. The oxide layer is over the photosensitive region and the deep-trench isolation structure. The light blocking structure is over the oxide layer. A bottom portion of the light blocking structure is embedded in the oxide layer. The adhesion layer is between the light blocking structure and the oxide layer. The adhesion layer extends beyond a sidewall of a top portion of the light blocking structure.Type: ApplicationFiled: April 21, 2023Publication date: August 17, 2023Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Zen-Fong HUANG, Fu-Cheng CHANG
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Patent number: 11664403Abstract: An image sensor device includes a substrate, a deep-trench isolation structure, a buffer layer, and a light blocking structure. The substrate has a photosensitive region. The deep-trench isolation structure is in the substrate and adjacent the photosensitive region. The buffer layer is over the photosensitive region and the deep-trench isolation structure. The light blocking structure is over the buffer layer. A bottom portion of the light blocking structure is embedded in the buffer layer.Type: GrantFiled: June 12, 2020Date of Patent: May 30, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Zen-Fong Huang, Fu-Cheng Chang
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Publication number: 20220271071Abstract: A backside illuminated image sensor device with a shielding layer and a manufacturing method thereof are provided. In the backside illuminated image senor device, a patterned conductive shielding layer is formed on a dielectric layer on a backside surface of a semiconductor substrate and surrounding a pixel array on a front side surface of the semiconductor substrate.Type: ApplicationFiled: May 13, 2022Publication date: August 25, 2022Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Volume CHIEN, Su-Hua CHANG, Chia-Yu WEI, Zen-Fong HUANG, Chi-Cherng JENG
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Publication number: 20220247936Abstract: A photosensitive unit and a photo-insensitive unit are formed in a substrate. A lens is formed to cover the photosensitive unit and the photo-insensitive unit, and the lens has a single radius of curvature and an optical axis passing through a surface of the curvature at the center of the lens. The photosensitive unit is disposed at a first side of the optical axis and the photo-insensitive unit is disposed at a second side opposite to the first side of the optical axis, a light beam passing through the lens is simultaneously incident into the photosensitive unit and the photo-insensitive unit without being blocked, and the photosensitive unit detects the light beam while the photo-insensitive unit is ineffective in sensing the light beam. A conductive feature is formed over the substrate between the photosensitive unit and the photo-insensitive unit, wherein the optical axis of the lens passes the conductive feature.Type: ApplicationFiled: April 18, 2022Publication date: August 4, 2022Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Zen-Fong Huang, Volume Chien
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Patent number: 11335721Abstract: A backside illuminated image sensor device with a shielding layer and a manufacturing method thereof are provided. In the backside illuminated image senor device, a patterned conductive shielding layer is formed on a dielectric layer on a backside surface of a semiconductor substrate and surrounding a pixel array on a front side surface of the semiconductor substrate.Type: GrantFiled: November 6, 2013Date of Patent: May 17, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Volume Chien, Su-Hua Chang, Chia-Yu Wei, Zen-Fong Huang, Chi-Cherng Jeng
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Patent number: 11336814Abstract: Integrated circuit devices are disclosed. The integrated circuit device includes a focus detection pixel and a lens. The focus detection pixel includes a photosensitive unit and a photo-insensitive unit in a substrate. The lens is disposed over the focus detection pixel, wherein the photosensitive unit and the photo-insensitive unit are disposed opposite to each other with respect to an optical axis of the lens, and a light beam passing through the lens is simultaneously incident into the photosensitive unit and the photo-insensitive unit.Type: GrantFiled: October 24, 2019Date of Patent: May 17, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Zen-Fong Huang, Volume Chien
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Publication number: 20210391361Abstract: An image sensor device includes a substrate, a deep-trench isolation structure, a buffer layer, and a light blocking structure. The substrate has a photosensitive region. The deep-trench isolation structure is in the substrate and adjacent the photosensitive region. The buffer layer is over the photosensitive region and the deep-trench isolation structure. The light blocking structure is over the buffer layer. A bottom portion of the light blocking structure is embedded in the buffer layer.Type: ApplicationFiled: June 12, 2020Publication date: December 16, 2021Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Zen-Fong HUANG, Fu-Cheng CHANG
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Patent number: 11063077Abstract: A semiconductor structure includes a substrate, a barrier layer disposed over the substrate, a grid disposed over the barrier layer, and a first color filter disposed over the barrier layer. The semiconductor structure also includes a second color filter disposed over the substrate and laterally surrounded by and contacting the grid. The semiconductor structure further includes a dielectric layer disposed between the barrier layer and the substrate. The barrier layer includes an upper surface overlapping the grid and the first color filter and a bottom surface substantially level with a bottom surface of the second color filter. The dielectric layer includes a first portion overlapping a bottom surface of the first color filter and a second portion overlapping a bottom surface of the second color filter, wherein non-visible light is allowed to pass from the second color filter to the substrate through the second portion of the dielectric layer.Type: GrantFiled: December 24, 2019Date of Patent: July 13, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Zen-Fong Huang, Volume Chien, Su-Hua Chang
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Publication number: 20200135784Abstract: A semiconductor structure includes a substrate, a barrier layer disposed over the substrate, a grid disposed over the barrier layer, and a first color filter disposed over the barrier layer. The semiconductor structure also includes a second color filter disposed over the substrate and laterally surrounded by and contacting the grid. The semiconductor structure further includes a dielectric layer disposed between the barrier layer and the substrate. The barrier layer includes an upper surface overlapping the grid and the first color filter and a bottom surface substantially level with a bottom surface of the second color filter. The dielectric layer includes a first portion overlapping a bottom surface of the first color filter and a second portion overlapping a bottom surface of the second color filter, wherein non-visible light is allowed to pass from the second color filter to the substrate through the second portion of the dielectric layer.Type: ApplicationFiled: December 24, 2019Publication date: April 30, 2020Inventors: ZEN-FONG HUANG, VOLUME CHIEN, SU-HUA CHANG
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Publication number: 20200059591Abstract: Integrated circuit devices are disclosed. The integrated circuit device includes a focus detection pixel and a lens. The focus detection pixel includes a photosensitive unit and a photo-insensitive unit in a substrate. The lens is disposed over the focus detection pixel, wherein the photosensitive unit and the photo-insensitive unit are disposed opposite to each other with respect to an optical axis of the lens, and a light beam passing through the lens is simultaneously incident into the photosensitive unit and the photo-insensitive unit.Type: ApplicationFiled: October 24, 2019Publication date: February 20, 2020Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Zen-Fong Huang, Volume Chien
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Patent number: 10515991Abstract: A semiconductor structure includes a substrate including a first side and a second side disposed opposite to the first side and configured to receive an electromagnetic radiation, a barrier layer disposed over the second side of the substrate, a color filter disposed over the barrier layer, and a grid surrounding the color filter and disposed over the barrier layer, wherein the barrier layer is configured to absorb or reflect non-visible light in the electromagnetic radiation, and the barrier layer is disposed between the grid and the substrate.Type: GrantFiled: April 17, 2015Date of Patent: December 24, 2019Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Zen-Fong Huang, Volume Chien, Su-Hua Chang
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Patent number: 10484590Abstract: Integrated circuit devices are disclosed. The integrated circuit device includes a focus detection pixel and a lens. The focus detection pixel includes a photosensitive unit and a photo-insensitive unit in a substrate. The lens is disposed over the focus detection pixel, wherein the photosensitive unit and the photo-insensitive unit are disposed opposite to each other with respect to an optical axis of the lens, and a light beam passing through the lens is simultaneously incident into the photosensitive unit and the photo-insensitive unit.Type: GrantFiled: March 4, 2016Date of Patent: November 19, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Zen-Fong Huang, Volume Chien
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Publication number: 20170257554Abstract: Integrated circuit devices are disclosed. The integrated circuit device includes a focus detection pixel and a lens. The focus detection pixel includes a photosensitive unit and a photo-insensitive unit in a substrate. The lens is disposed over the focus detection pixel, wherein the photosensitive unit and the photo-insensitive unit are disposed opposite to each other with respect to an optical axis of the lens, and a light beam passing through the lens is simultaneously incident into the photosensitive unit and the photo-insensitive unit.Type: ApplicationFiled: March 4, 2016Publication date: September 7, 2017Inventors: Zen-Fong Huang, Volume Chien
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Patent number: 9543352Abstract: A backside illuminated CMOS image sensor and a manufacturing method thereof are provided. Embedded micro-lenses disposed respectively on concave surfaces of a buffer oxide layer, wherein the concave surfaces are positioned to respectively align with photodiodes of pixel array of the CMOS image sensor. The embedded micro-lenses can confine incident light to the photodiodes to reduce optical crosstalk between adjacent pixels.Type: GrantFiled: December 12, 2013Date of Patent: January 10, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Volume Chien, Zen-Fong Huang, Chia-Yu Wei, Chi-Cherng Jeng, Hsin-Chi Chen
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Publication number: 20160307950Abstract: A semiconductor structure includes a substrate including a first side and a second side disposed opposite to the first side and configured to receive an electromagnetic radiation, a barrier layer disposed over the second side of the substrate, a color filter disposed over the barrier layer, and a grid surrounding the color filter and disposed over the barrier layer, wherein the barrier layer is configured to absorb or reflect non-visible light in the electromagnetic radiation, and the barrier layer is disposed between the grid and the substrate.Type: ApplicationFiled: April 17, 2015Publication date: October 20, 2016Inventors: ZEN-FONG HUANG, VOLUME CHIEN, SU-HUA CHANG
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Patent number: 9247116Abstract: An image sensor device and a manufacturing method for forming an image sensor device are provided. The image sensor device includes a semiconductor substrate having an array region and a periphery region. The image sensor device also includes a light sensing region in the array region of the semiconductor substrate. The image sensor device further includes a dielectric structure over the array region and the periphery region, and the dielectric structure has a substantially planar top surface. In addition, the image sensor device includes a recess in the dielectric structure and substantially aligned with the light sensing region. The image sensor device also includes a filter in the recess and a light blocking grid in the dielectric structure and surrounding a portion of the filter.Type: GrantFiled: March 14, 2014Date of Patent: January 26, 2016Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Volume Chien, Su-Hua Chang, Zen-Fong Huang, Chia-Yu Wei, Chi-Cherng Jeng, Hsin-Chi Chen
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Patent number: 9201195Abstract: The present disclosure provides an integrated circuit device comprising a substrate having a back surface and a sensing region disposed in the substrate and being operable to sense radiation projected towards the back surface of the substrate. The device further includes a waveguide disposed over the back surface of the substrate. The waveguide is aligned with the sensing region such that the waveguide is operable to transmit the radiation towards the aligned sensing region. The waveguide includes a waveguide wall, and an inner region disposed adjacent to the waveguide wall. A diffractive index of the waveguide wall is less than a diffractive index of the inner region.Type: GrantFiled: June 28, 2013Date of Patent: December 1, 2015Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Allen Tseng, Che-Min Lin, Zen-Fong Huang, Volume Chien, Chi-Cherng Jeng