Patents by Inventor Yu-Chi Chang

Yu-Chi Chang 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).

  • Publication number: 20230378251
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip including a capacitor over a substrate. The capacitor includes a plurality of conductive layers and a plurality of dielectric layers. The plurality of conductive layers and dielectric layers define a base structure and a first protrusion structure extending downward from the base structure towards a bottom surface of the substrate. The first protrusion structure comprises one or more surfaces defining a first cavity. A top of the first cavity is disposed below the base structure.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Hsin-Li Cheng, Jyun-Ying Lin, Alexander Kalnitsky, Shih-Fen Huang, Shu-Hui Su, Ting-Chen Hsu, Tuo-Hsin Chien, Felix Ying-Kit Tsui, Shi-Min Wu, Yu-Chi Chang
  • Publication number: 20230352503
    Abstract: An operating method of an under-display camera system includes: providing a raw data by a pixel array; generating, by a plurality of color filters respectively disposed on a plurality of first photodiodes of the pixel array, a color information in accordance with the raw data; generating, by a plurality of first narrowband filters respectively disposed on a plurality of second photodiodes of the pixel array, a first narrowband information in accordance with the raw data, wherein a spectrum linewidth of the plurality of first narrowband filters is in a range from 5 nm to 70 nm; reconstructing an edge information from the first narrowband information based on one of a plurality of diffraction patterns provided by a database unit of a point spread function; and obtaining an image by combining the edge information with the color information.
    Type: Application
    Filed: April 27, 2022
    Publication date: November 2, 2023
    Inventors: Chun-Yuan WANG, An-Li KUO, Shin-Hong KUO, Zong-Ru TU, Yu-Chi CHANG, Han-Lin WU, Hung-Jen TSAI
  • Publication number: 20230343808
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes photoelectric conversion elements and a color filter layer disposed above the photoelectric conversion elements. The color filter layer has a first color filter segment and a second color filter segment adjacent to the first color filter segment. The first color filter segment and the second color filter segment correspond to different colors. The solid-state image sensor further includes a light-splitting structure disposed in the first color filter segment or the second color filter segment and a grid structure disposed between the first color filter segment and the second color filter segment. The light-splitting structure is separated from the grid structure.
    Type: Application
    Filed: April 21, 2022
    Publication date: October 26, 2023
    Inventors: Chun-Yuan WANG, Ching-Hua LI, Zong-Ru TU, Yu-Chi CHANG, Han-Lin WU, Hung-Jen TSAI
  • Publication number: 20230326942
    Abstract: An image sensor includes a sensor unit, a sensing portion disposed within the sensor unit, and an isolation structure corresponding to the sensing portion. The isolation structure includes a first deep trench isolation (DTI) structure surrounding the sensor unit from top view, and a second deep trench isolation structure laterally enclosed by the first deep trench isolation structure. The second deep trench isolation structure is located close to a corner of the sensor unit defined by the first deep trench isolation structure. The second deep trench isolation structure is asymmetrical with respect to a horizontal middle line or a vertical middle line within the sensor unit.
    Type: Application
    Filed: April 8, 2022
    Publication date: October 12, 2023
    Inventors: Chun-Yuan WANG, Zong-Ru TU, Yu-Chi CHANG, Han-Lin WU, Hung-Jen TSAI
  • Publication number: 20230317751
    Abstract: The image sensor includes a semiconductor substrate, a pillar array layer, a planar layer, and a microlens layer. The semiconductor substrate includes a first photodiode and a second photodiode. The pillar array layer is disposed on the semiconductor substrate, the pillar array layer includes a first pillar array disposed above the first photodiode and a second pillar array disposed above the second photodiode. The first pillar array includes a plurality of first pillar structures, the second pillar array includes a plurality of second pillar structures, all the first pillar structures have a first height, and all the second pillar structures have a second height. The planar layer is disposed on the pillar array layer. The microlens layer is disposed on the planar layer.
    Type: Application
    Filed: March 31, 2022
    Publication date: October 5, 2023
    Inventors: Shih-Yu HO, Yueh-Ching CHENG, Yu-Chi CHANG
  • Patent number: 11769792
    Abstract: Various embodiments of the present disclosure are directed towards an integrated circuit (IC) including a substrate comprising sidewalls that define a trench. A capacitor comprising a plurality of conductive layers and a plurality of dielectric layers that define a trench segment is disposed within the trench. A width of the trench segment continuously increases from a front-side surface of the substrate in a direction towards a bottom surface of the trench.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: September 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsin-Li Cheng, Jyun-Ying Lin, Alexander Kalnitsky, Shih-Fen Huang, Shu-Hui Su, Ting-Chen Hsu, Tuo-Hsin Chien, Felix Ying-Kit Tsui, Shi-Min Wu, Yu-Chi Chang
  • Publication number: 20230299171
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes a gate electrode disposed on a substrate. Source/drain regions are disposed on or within the substrate along opposing sides of the gate electrode. A noise reducing component is arranged along an upper surface of the gate electrode and/or along an upper surface of the substrate over the source/drain regions. A cap layer covers the upper surface of the gate electrode and/or the upper surface of the substrate over the source/drain regions. An inter-level dielectric (ILD) is disposed over and along one or more sidewalls of the cap layer.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Inventors: Hsin-Li Cheng, Liang-Tai Kuo, Yu-Chi Chang
  • Publication number: 20230290077
    Abstract: A virtual window configuration method includes the following steps. A processor generates a virtual window. A depth detection sensor generates depth information based on an image. The processor analyzes the depth information to generate a depth matrix. The processor finds a depth configuration block in the image using the depth matrix. A feature point detection sensor generates feature point information for the image. The processor analyzes the feature point information to generate a feature point matrix. The processor finds a feature point configuration block in the image using the feature point matrix. The processor moves the virtual window to the depth configuration block or the feature point configuration block.
    Type: Application
    Filed: September 13, 2022
    Publication date: September 14, 2023
    Inventors: Wei-Chou CHEN, Ming-Fong YEH, Yu-Chi CHANG, Lee-Chun KO
  • Publication number: 20230268364
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes photoelectric conversion units and modulation structures embedded in the photoelectric conversion units. The solid-state image sensor also includes isolation structures disposed between the photoelectric conversion units and a protective layer disposed on the photoelectric conversion units. From the top view of the solid-state image sensor, the photoelectric conversion units and the modulation structures form mosaic patterns, and the ratio of the area of one modulation structure to the area of the corresponding mosaic pattern is between 0.1 and 0.9.
    Type: Application
    Filed: February 24, 2022
    Publication date: August 24, 2023
    Inventors: Pin-Chia TSENG, Yu-Chi CHANG
  • Publication number: 20230246014
    Abstract: A semiconductor device is provided. The semiconductor device comprises a first semiconductor die comprising a first capacitor, and a second semiconductor die in contact with the first semiconductor die and comprises a diode. The first semiconductor die and the second semiconductor die are arranged along a first direction, and a diode is configured to direct electrons accumulated at the first capacitor to a ground.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 3, 2023
    Inventors: HSIN-LI CHENG, SHU-HUI SU, YU-CHI CHANG, YINGKIT FELIX TSUI, SHIH-FEN HUANG
  • Patent number: 11710754
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes a plurality of photoelectric conversion elements. The solid-state image sensor also includes a modulation layer disposed above the photoelectric conversion elements, and the modulation layer has a plurality of modulation segments. The modulation layer includes a plurality of first sub-layers and a plurality of second sub-layers having different refractive indexes. From the top view of the modulation layer, the modulation segments form a first group and a second group, and the second group is adjacent to the first group. The arrangement of the first sub-layers and the second sub-layers in the first group is different from the arrangement of the first sub-layers and the second sub-layers in the second group.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: July 25, 2023
    Assignee: VISERA TECHNOLOGIES COMPANY LIMIIED
    Inventors: Yu-Chi Chang, Pin-Chia Tseng, Zong-Ru Tu
  • Patent number: 11699768
    Abstract: An electrode structure including a top electrode and a bottom electrode located below the top electrode. The top electrode includes a plurality of inner electrodes and an outer electrode connected with the inner electrodes. The inner electrodes are configured to filter a light by wavelength range and filter the light into a polarized light. The inner electrodes extend along a first direction. Each of the inner electrodes includes a metal structure having a first portion and a second portion and a dielectric structure located between the first portion and the second portion of the metal structure. The first portion, the dielectric structure, and the second portion are arranged along a second direction perpendicular to the first direction.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: July 11, 2023
    Assignee: VisEra Technologies Company Ltd.
    Inventors: Kai-Hao Chang, Ching-Hua Li, Yu-Chi Chang
  • Patent number: 11688789
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes a source region and a drain region arranged in a semiconductor substrate, where the source region is laterally separated from the drain region. A gate stack is arranged over the semiconductor substrate and between the source region and the drain region. A cap layer is arranged over the gate stack, where a bottom surface of the cap layer contacts a top surface of the gate stack. Sidewall spacers are arranged along sides of the gate stack and the cap layer. A resist protective oxide (RPO) layer is disposed over the cap layer, where the RPO layer extends along sides of the sidewalls spacers to the semiconductor substrate. A contact etch stop layer is arranged over the RPO layer, the source region, and the drain region.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: June 27, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsin-Li Cheng, Liang-Tai Kuo, Yu-Chi Chang
  • Publication number: 20230199325
    Abstract: The present invention provides an image processing method, including: obtaining a first image using a camera under a display screen; processing the first image using a processor; obtaining a second image using the camera under the display screen; processing the second image using the processor; and generating a superimposed image after superimposing the first sub-image and the second sub-image.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 22, 2023
    Inventors: Shin-Hong KUO, Yu-Chi CHANG
  • Publication number: 20230170361
    Abstract: The optical device includes a first photodiode, a second photodiode, and a hybrid absorber. The hybrid absorber is disposed above the first photodiode and the second photodiode. The hybrid absorber includes a color filter layer and a plurality of metal-insulator-metal structures. The color filter layer includes a first color filter disposed on the first photodiode and a second color filter disposed on the second photodiode, in which the first color filter is different from the second color filter. The plurality of metal-insulator-metal structures are disposed above the first photodiode and free of disposed above the second photodiode.
    Type: Application
    Filed: March 29, 2022
    Publication date: June 1, 2023
    Inventors: Kai-Hao CHANG, An-Li KUO, Chun-Yuan WANG, Shin-Hong KUO, Po-Hsiang WANG, Zong-Ru TU, Yu-Chi CHANG, Chih-Ming WANG
  • Publication number: 20230170368
    Abstract: An image sensor includes a plurality of liquid-lens units, which include: a lower electrode and an upper electrode; a dielectric layer disposed between the lower electrode and the upper electrode; a containment space disposed between the dielectric layer and the upper electrode; and a non-polar liquid and a polar liquid filled into the containment space, wherein the non-polar liquid and the polar liquid are immiscible with each other. The non-polar liquid is configured to occupy a first contact area on the dielectric layer under a first voltage, and a second contact area on the dielectric layer under a second voltage. The first contact area is larger than the second contact area, and the second voltage is higher than the first voltage.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 1, 2023
    Inventors: Wei-Lung TSAI, Huang-Jen CHEN, Ching-Chiang WU, Yu-Chi CHANG
  • Patent number: 11664399
    Abstract: The solid-state image sensor includes a semiconductor substrate having first and second photoelectric conversion elements, a color filter layer, and a hybrid layer. The isolation structure is disposed between the first and second photoelectric conversion elements. The color filter layer is disposed above the semiconductor substrate. The hybrid layer is disposed between the semiconductor substrate and the color filter layer. The hybrid layer includes a first partition structure, a second partition structure, and a transparent layer. The first partition structure is disposed to correspond to the isolation structure. The second partition structure is surrounded by the first partition structure. The transparent layer is between the first partition structure and the second partition structure. The refractive index of the first partition structure and the refractive index of the second partition structure are lower than the refractive index of the transparent layer.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: May 30, 2023
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Cheng-Hsuan Lin, Yu-Chi Chang, Zong-Ru Tu
  • Publication number: 20230154956
    Abstract: An image sensor includes a first pixel array. The first pixel array includes multiple photo diodes and a polyhedron structure. The polyhedron structure is located above the photo diodes, and the polyhedron structure includes a bottom facet, a top facet, and at least one side facet. The bottom facet is located between the side facet and the photo diodes, and an orthogonal projection of the polyhedron structure overlaps with photo diodes. The polyhedron structure is configured to divide an incident light into a plurality of light beams focused in the photo diodes.
    Type: Application
    Filed: June 7, 2022
    Publication date: May 18, 2023
    Inventors: Shin-Hong KUO, Yu-Chi CHANG, Zong-Ru TU, Ching-Chiang WU, Po-Hsiang WANG
  • Patent number: 11631709
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes a plurality of photoelectric conversion elements. The solid-state image sensor also includes a first color filter layer disposed above the photoelectric conversion elements and having a plurality of first color filter segments. The solid-state image sensor further includes a second color filter layer disposed adjacent to the first color filter layer and having a plurality of second color filter segments. The solid-state image sensor includes a first grid structure disposed between the first color filter layer and the second color filter layer. The first grid structure has a first grid height. The solid-state image sensor also includes a second grid structure disposed between the first color filter segments and between the second color filter segments. The second grid structure has a second grid height that is lower than or equal to the first grid height.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: April 18, 2023
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Ching-Hua Li, Yu-Chi Chang, Cheng-Hsuan Lin, Han-Lin Wu
  • Publication number: 20230110102
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes photoelectric conversion elements and a color filter layer disposed above the photoelectric conversion elements. The photoelectric conversion elements and the color filter layer form normal pixels and auto-focus pixels, the color filter layer that correspond to the normal pixels are divided into first color filter segments and second color filter segments, the first color filter segments are disposed on at least one side that is closer to an incident light, and the width of the first color filter segments is greater than the width of the second color filter segments.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 13, 2023
    Inventors: Ching-Hua LI, Cheng-Hsuan LIN, Zong-Ru TU, Yu-Chi CHANG, Han-Lin WU