Patents by Inventor Po-Hsiang Wang

Po-Hsiang Wang 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: 20250151435
    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 also includes a shielding grid structure disposed between the first color filter segment and the second color filter segment. The shielding grid structure is divided into a first shielding segment and a second shielding segment. The solid-state image sensor further includes a meta structure disposed above the color filter layer. In a top view, the second shielding segment is formed as a triangle, a rectangle, or a combination thereof.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 8, 2025
    Inventors: Ching-Hua LI, Chun-Yuan WANG, Po-Hsiang WANG, Han-Lin WU, Hung-Jen TSAI
  • Patent number: 12256575
    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: Grant
    Filed: June 7, 2022
    Date of Patent: March 18, 2025
    Assignee: VisEra Technologies Company Ltd.
    Inventors: Shin-Hong Kuo, Yu-Chi Chang, Zong-Ru Tu, Ching-Chiang Wu, Po-Hsiang Wang
  • Publication number: 20250089389
    Abstract: An image sensor includes a sensor layer and a color filter layer disposed on the sensor layer. The image sensor further includes a lens layer disposed on the color filter layer. The lens layer includes a plurality of micro lenses. The image sensor further includes a first cut filter layer disposed over the lens layer. The first surface of the first cut filter layer has a plurality of first protrusions.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 13, 2025
    Inventors: Shin-Hong KUO, Po-Hsiang WANG, Han-Lin WU, Hung-Jen TSAI
  • Patent number: 12243719
    Abstract: The present disclosure relates to an integrated chip processing tool. The integrated chip processing tool includes a gas distribution ring configured to extend along a perimeter of a process chamber. The gas distribution ring includes a lower ring extending around the process chamber. The lower ring has a plurality of gas inlets arranged along a bottom surface of the lower ring and a plurality of gas conveyance channels arranged along an upper surface of the lower ring directly over the plurality of gas inlets. The gas distribution ring further includes an upper ring disposed on the upper surface of the lower ring and covering the plurality of gas conveyance channels. A plurality of gas outlets are arranged along opposing ends of the plurality of gas conveyance channels. A plurality of gas conveyance paths extending between the plurality of gas inlets and the plurality of gas outlets have approximately equal lengths.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: March 4, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Po-Hsiang Wang, Min-Chang Ching, Kuo Liang Lu, Bo-Han Chu
  • Patent number: 12232254
    Abstract: The present disclosure provides a printed circuit board and a method thereof. The printed circuit board has a first substrate, at least one first trace layer and at least one second trace layer. The first substrate has a first surface and a second surface. The first surface and the second surface are corresponding to each other along an axis. The first trace layer is formed on the first surface and/or the second surface of the first substrate. The first trace layer has at least one first trace and at least one first gap beside the first trace by etching. The second trace layer is formed on the first trace layer. The second trace layer has at least one second trace and at least one second gap beside the second trace by etching.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: February 18, 2025
    Assignee: Unimicron Technology Corporation
    Inventors: Po-Hsiang Wang, Ming-Hao Wu
  • Publication number: 20240395846
    Abstract: A solid-state image sensor is provided. The solid-state image sensor includes photoelectric conversion elements. The solid-state image sensor also includes a color filter layer disposed above the photoelectric conversion elements and the color filter layer includes a first color filter layer. The first color filter layer has a central region, a peripheral region adjacent to the central region, and a corner region diagonally arranged from the central region. The solid-state image sensor further includes a meta structure disposed on the color filter layer. The meta structure includes pillars. The pillars that correspond to the central region, the peripheral region, and the corner region have different arrangements.
    Type: Application
    Filed: May 22, 2023
    Publication date: November 28, 2024
    Inventors: Kai-Hao CHANG, Po-Hsiang WANG, Yu-Chi CHANG
  • Publication number: 20240379330
    Abstract: The present disclosure relates to an integrated chip processing tool. The integrated chip processing tool includes a gas distribution ring configured to extend along a perimeter of a process chamber. The gas distribution ring includes a lower ring extending around the process chamber. The lower ring has a plurality of gas inlets arranged along a bottom surface of the lower ring and a plurality of gas conveyance channels arranged along an upper surface of the lower ring directly over the plurality of gas inlets. The gas distribution ring further includes an upper ring disposed on the upper surface of the lower ring and covering the plurality of gas conveyance channels. A plurality of gas outlets are arranged along opposing ends of the plurality of gas conveyance channels. A plurality of gas conveyance paths extending between the plurality of gas inlets and the plurality of gas outlets have approximately equal lengths.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Inventors: Po-Hsiang Wang, Min-Chang Ching, Kuo Liang Lu, Bo-Han Chu
  • Publication number: 20240322056
    Abstract: An optical device includes a photoelectric conversion layer, an underlying layer, an anti-reflection layer, and a plurality of meta units. The underlying layer is disposed on the photoelectric conversion layer. The anti-reflection layer is disposed on the underlying layer. The meta units are disposed above the photoelectric conversion layer, in which each of the meta units includes a top portion and a bottom portion, and a projection of the bottom portion on the photoelectric conversion layer is within a projection of the top portion on the photoelectric conversion layer.
    Type: Application
    Filed: March 21, 2023
    Publication date: September 26, 2024
    Inventors: Shin-Hong KUO, Kai-Hao CHANG, Po-Hsiang WANG, Han-Lin WU, Hung-Jen TSAI
  • Publication number: 20240194711
    Abstract: An optical device includes a photoelectric conversion layer, an anti-reflection layer, an underlying layer, a bottom meta layer, and a top meta layer. The photoelectric conversion layer includes a plurality of photodiodes. The anti-reflection layer is disposed on the photoelectric conversion layer. The underlying layer is disposed on the anti-reflection layer. The bottom meta layer is disposed on the underlying layer and includes a plurality of bottom meta units and a filling between the bottom meta units, in which the filling is continuously extend from the underlying layer, and a material of the filling is the same as a material of the underlying layer. The top meta layer is disposed above the bottom meta layer and includes a plurality of top meta units and a plurality of air recesses, in which the plurality of air recesses are respectively disposed between two adjacent top meta units.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 13, 2024
    Inventors: Chun-Yuan WANG, Po-Hsiang WANG, Han-Lin WU, Hung-Jen TSAI
  • Publication number: 20240178251
    Abstract: The present disclosure provides an image sensor including a photodiode, a micro lens above the photodiode, a color filter between the photodiode and the micro lens, and a polyhedron lens film above the micro lens. The polyhedron lens film includes a plurality of polyhedron lens units protruding away from the photodiode, in which a plurality of orthogonal projections of the plurality of the polyhedron lens units are within an orthogonal projection of the photodiode. Each of the polyhedron lens units includes a bottom facet facing the photodiode, a top facet opposite to the bottom facet, and at least one side facet connecting the top facet and the bottom facet.
    Type: Application
    Filed: March 6, 2023
    Publication date: May 30, 2024
    Inventors: Shin-Hong KUO, Po-Hsiang WANG
  • Publication number: 20240145511
    Abstract: An image sensor includes a first sensing unit. The first sensing unit includes a pair of photodiodes formed in a substrate and spaced by a deep trench isolation structure, an outer grid over the pair of photodiodes, a color filter filled in the outer grid, and an inner grid disposed in the color filter. The color filter overlaps the pair of photodiodes. The inner grid includes a first spacer, wherein the first spacer is rotated relative to the deep trench isolation structure.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 2, 2024
    Inventors: Jian-Wen LUO, Yu-Chi CHANG, Zong-Ru TU, Po-Hsiang WANG
  • Publication number: 20240125995
    Abstract: An image sensor includes a group of sensor units and a color filter layer disposed within the group of sensor units. The image sensor further includes a dielectric structure and a plurality of polarization splitters disposed corresponding to the color filter layer. Each of the plurality of polarization splitters has a first meta element extending in a first direction from top view and a second meta element extending in a second direction from top view. The second direction is perpendicular to the first direction.
    Type: Application
    Filed: October 12, 2022
    Publication date: April 18, 2024
    Inventors: Chun-Yuan WANG, Yu-Chi CHANG, Po-Hsiang WANG
  • Publication number: 20240121523
    Abstract: A light-adjusting device having first regions and second regions is provided. The light-adjusting device includes pillars that form several groups of meta structures. The groups of meta structures correspond to the first regions, and from a top view, the first regions and the second regions are arranged in a checkerboard pattern.
    Type: Application
    Filed: October 7, 2022
    Publication date: April 11, 2024
    Inventors: Kai-Hao CHANG, Chun-Yuan WANG, Shin-Hong KUO, Zong-Ru TU, Po-Hsiang WANG, Chih-Ming WANG
  • Publication number: 20240105744
    Abstract: An image sensor includes a photoelectric conversion layer, a plurality of deep trench isolations, a first color filter, a first deflector, and a covering layer. The photoelectric conversion layer includes a first photodiode and a second photodiode. The deep trench isolations separate the first photodiode and the second photodiode, in which a pixel dimension is determined by a distance between two adjacent deep trench isolations. The first color filter is disposed on the first photodiode and the second photodiode. The first deflector is disposed on the first color filter. The covering layer covers and surrounds the first deflector. A refractive index of the covering layer is greater than a refractive index of the first deflector, and a difference value between the refractive index of the covering layer and the refractive index of the first deflector is in a range from 0.15 to 0.6.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 28, 2024
    Inventors: Ching-Hua LI, Chun-Yuan WANG, Zong-Ru TU, Po-Hsiang WANG
  • Publication number: 20240021634
    Abstract: An image sensor includes groups of sensor units, and a color filter layer having color units that disposed within the groups of sensor units, respectively. The color units of the color filter layer include a yellow color unit or a white color unit. The image sensor further includes a dielectric structure disposed on the color filter layer, and a meta surface disposed on the dielectric structure.
    Type: Application
    Filed: February 23, 2023
    Publication date: January 18, 2024
    Inventors: Chun-Yuan WANG, Chih-Ming WANG, Po-Hsiang WANG, Han-Lin WU
  • Patent number: 11869910
    Abstract: The present disclosure provides a light sensing element including a unit. The unit includes a plurality of photodiodes, a color filter disposed above the photodiodes, and a light host embedded in the color filter. The light host is a hollow structure disposed above the photodiodes. The color filter includes a first portion surrounding the light host, a second portion surrounded by the light host, and a third portion covering and physically contacting the first portion, the light host, and the second portion.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: January 9, 2024
    Assignee: VisEra Technologies Company Ltd.
    Inventors: Ching-Hua Li, Zong-Ru Tu, Po-Hsiang Wang, Han-Lin Wu
  • Publication number: 20230420222
    Abstract: The present disclosure relates to an integrated chip processing tool. The integrated chip processing tool includes a gas distribution ring configured to extend along a perimeter of a process chamber. The gas distribution ring includes a lower ring extending around the process chamber. The lower ring has a plurality of gas inlets arranged along a bottom surface of the lower ring and a plurality of gas conveyance channels arranged along an upper surface of the lower ring directly over the plurality of gas inlets. The gas distribution ring further includes an upper ring disposed on the upper surface of the lower ring and covering the plurality of gas conveyance channels. A plurality of gas outlets are arranged along opposing ends of the plurality of gas conveyance channels. A plurality of gas conveyance paths extending between the plurality of gas inlets and the plurality of gas outlets have approximately equal lengths.
    Type: Application
    Filed: June 28, 2022
    Publication date: December 28, 2023
    Inventors: Po-Hsiang Wang, Min-Chang Ching, Kuo Liang Lu, Bo-Han Chu
  • Publication number: 20230413430
    Abstract: The present disclosure provides a printed circuit board and a method thereof. The printed circuit board has a first substrate, at least one first trace layer and at least one second trace layer. The first substrate has a first surface and a second surface. The first surface and the second surface are corresponding to each other along an axis. The first trace layer is formed on the first surface and/or the second surface of the first substrate. The first trace layer has at least one first trace and at least one first gap beside the first trace by etching. The second trace layer is formed on the first trace layer. The second trace layer has at least one second trace and at least one second gap beside the second trace by etching.
    Type: Application
    Filed: August 3, 2022
    Publication date: December 21, 2023
    Inventors: Po-Hsiang Wang, Ming-Hao Wu
  • Publication number: 20230301312
    Abstract: Provided is a food forming apparatus. An even speed device with a plurality of penetrating holes is disposed before the dough passes through the food shaping mold, making the dough to have even speed in the forming area (usually be cylindrical but not limited), then the food formed by passing through the food shaping mold Will have more consistent length and eliminate the technical issue about the inconsistent lengths of the food.
    Type: Application
    Filed: July 3, 2022
    Publication date: September 28, 2023
    Inventors: Kai Hsiang Wang, Po Hsiang Wang
  • 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