Patents by Inventor Po Chou

Po Chou 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: 20240105619
    Abstract: Semiconductor devices and methods of manufacture are provided wherein a metallization layer is located over a substrate, and a power grid line is located within the metallization layer. A signal pad is located within the metallization layer and the signal pad is surrounded by the power grid line. A signal external connection is electrically connected to the signal pad.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 28, 2024
    Inventors: Fong-Yuan Chang, Noor Mohamed Ettuveettil, Po-Hsiang Huang, Sen-Bor Jan, Ming-Fa Chen, Chin-Chou Liu, Yi-Kan Cheng
  • Patent number: 11935894
    Abstract: An integrated circuit device includes a device layer having devices spaced in accordance with a predetermined device pitch, a first metal interconnection layer disposed above the device layer and coupled to the device layer, and a second metal interconnection layer disposed above the first metal interconnection layer and coupled to the first metal interconnection layer through a first via layer. The second metal interconnection layer has metal lines spaced in accordance with a predetermined metal line pitch, and a ratio of the predetermined metal line pitch to predetermined device pitch is less than 1.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: March 19, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Fong-yuan Chang, Chun-Chen Chen, Po-Hsiang Huang, Lee-Chung Lu, Chung-Te Lin, Jerry Chang Jui Kao, Sheng-Hsiung Chen, Chin-Chou Liu
  • Patent number: 11929767
    Abstract: A transmission interface between at least a first module and a second module is proposed. The transmission interface includes at least two physical transmission mediums. Each physical transmission medium is arranged to carry a multiplexed signal in which at least two signals are integrated. The at least two physical transmission mediums include a first physical transmission medium arranged to carry a first multiplexed signal including a first IF signal and a reference clock signal. The first IF signal and the reference clock signal are at different frequencies.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: March 12, 2024
    Assignee: MEDIATEK INC.
    Inventors: Chieh-Hsun Hsiao, Ming-Chou Wu, Wen-Chang Lee, Narayanan Baskaran, Wei-Hsin Tseng, Jenwei Ko, Po-Sen Tseng, Hsin-Hung Chen, Chih-Yuan Lin, Caiyi Wang
  • Patent number: 11923271
    Abstract: A three dimensional Integrated Circuit (IC) Power Grid (PG) may be provided. The three dimensional IC PG may comprise a first IC die, a second IC die, an interface, and a power distribution structure. The interface may be disposed between the first IC die and the second IC die. The power distribution structure may be connected to the interface. The power distribution structure may comprise at least one Through-Silicon Vias (TSV) and a ladder structure connected to at least one TSV.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Noor E. V. Mohamed, Fong-Yuan Chang, Po-Hsiang Huang, Chin-Chou Liu
  • Patent number: 11923302
    Abstract: Semiconductor devices and methods of manufacture are provided wherein a metallization layer is located over a substrate, and a power grid line is located within the metallization layer. A signal pad is located within the metallization layer and the signal pad is surrounded by the power grid line. A signal external connection is electrically connected to the signal pad.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: March 5, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Fong-Yuan Chang, Noor Mohamed Ettuveettil, Po-Hsiang Huang, Sen-Bor Jan, Ming-Fa Chen, Chin-Chou Liu, Yi-Kan Cheng
  • Patent number: 11914429
    Abstract: An electronic device includes a host, a display, a sliding plate, and a keyboard. The host has an operating surface. The display is pivoted to the host. The sliding plate is slidably disposed in the host, where the display is mechanically coupled to the sliding plate, and the sliding plate includes a plat portion and a recess portion that are arranged side by side. The keyboard is integrated to the host. The keyboard includes a key structure, where the key structure includes a key cap and a reciprocating element, and the key cap is exposed from the operating surface of the host. The reciprocating element is disposed between the key cap and the sliding plate and has a first end connected to the key cap and a second end contacting the sliding plate. The second end is located on a sliding path of the plat portion and the recess portion.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: February 27, 2024
    Assignee: Acer Incorporated
    Inventors: Hung-Chi Chen, Shun-Bin Chen, Huei-Ting Chuang, Yen-Chieh Chiu, Yu-Wen Lin, Yen-Chou Chueh, Po-Yi Lee
  • Publication number: 20230353385
    Abstract: A digital signature method and a verification method for a digital signature are provided. The digital signature method includes configuring a processor of an electronic device to: obtain, from a memory, to-be-signed data and a private key used by the electronic device for digital signing; extract a to-be-signed data segment from the to-be-signed data; perform a hash operation on the to-be-signed data segment to obtain a first digest value; encrypt the first digest value with the private key to generate signature data; and append the signature data to the to-be-signed data to generate to-be-verified data.
    Type: Application
    Filed: September 26, 2022
    Publication date: November 2, 2023
    Inventor: LI-PO CHOU
  • Publication number: 20230138504
    Abstract: An online signing system and method, a computing apparatus, and a computer-readable recording medium are provided. An assigned task is generated by a task assignment apparatus to the computing apparatus. The computing apparatus generates a signing request based on the assigned task to be transmitted to a client apparatus. The client apparatus downloads an assignment file from a storage database based on the signing request to display the assignment file on a display. The client apparatus receives an input via an input unit to generate a signature object on the assignment file, and transmits the signature object to the computing apparatus. After receiving the signature object, the computing apparatus combines the signature object and the assignment file to obtain a signed file, and transmits the signed file to the storage database.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 4, 2023
    Applicant: KDAN MOBILE SOFTWARE LTD.
    Inventors: Po-Chou Su, Hsuan Tu, Nan-Kuang Lee, Jia-Rou Lee, Weichih Sun, Kai-Yi Wu, Ying-Hsiu Chen
  • Publication number: 20230074033
    Abstract: An optoelectronic device includes a substrate, a first semiconductor stack located on the substrate, a second semiconductor stack located on the first semiconductor stack, and a first optical structure located between the first semiconductor stack and the second semiconductor stack. The first semiconductor stack includes a first semiconductor layer, a second semiconductor layer and a first active layer which emits or absorbs a first light with a first wavelength. The second semiconductor stack includes a third semiconductor layer, a fourth semiconductor layer and a second active layer which emits or absorbs a second light with a second wavelength smaller than the first wavelength. The first optical structure includes a plurality of first parts and a plurality of second parts. The first parts and the second parts are alternately arranged by a first period along a horizontal direction parallel to the substrate.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 9, 2023
    Inventors: Wei-Jen Hsueh, Shih-Chang Lee, Chen Ou, Po-Chou Pan, Wen-Luh Liao
  • Publication number: 20230063885
    Abstract: Aspects presented herein provide a virtual showroom system and method that facilitates users to arrange showcase items of interest in different virtual environments and settings. In one aspect, an online virtual showroom system provides a first interface including a first virtual 3D environment, the first virtual 3D environment including multiple objects that are selectable through the first interface for placement into a list. The online virtual showroom system provides a second interface including a second virtual 3D environment that is separate from the first virtual 3D environment, the second interface configured to receive a selection of ones of the multiple objects placed into the list for rendering in the second virtual 3D environment and receive an input to manipulate one or more objects from the selected and rendered ones of the multiple objects placed into the list in the second virtual 3D environment.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 2, 2023
    Inventors: Felix Wuang, Po Chou Chi
  • Publication number: 20230027930
    Abstract: A semiconductor device is provided, which includes a substrate, a first semiconductor structure, a plurality of first holes, a first dielectric structure and a second semiconductor structure. The first semiconductor structure is located on the substrate. The first holes are periodically arranged in the first semiconductor structure. The first dielectric structure is filled in one or more of the first holes. The second semiconductor structure is located on the first semiconductor structure.
    Type: Application
    Filed: July 20, 2022
    Publication date: January 26, 2023
    Inventors: Po-Chou Pan, Shih-Chang Lee, Wei-Jen Hsueh, Sheng-Feng Kuo
  • Patent number: 11454777
    Abstract: A lens fixing module is configured to fix a lens, wherein the lens has a flange. The lens fixing module includes a fixing base and a fixing ring. The fixing base has a hollow pillar and a first connecting portion. The fixing ring has a restraining portion and a second connecting portion. An end of the lens is inserted into the hollow pillar, the fixing ring is disposed on the lens and the hollow pillar, and the first connecting portion is connected to the second connecting portion, such that the flange is sandwiched in between the restraining portion and the hollow pillar.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: September 27, 2022
    Assignee: Qisda Corporation
    Inventors: Wei-Chun Peng, Po-Chou Chen
  • Publication number: 20220252480
    Abstract: A test chart which is used in a method for testing resolution of a wide-angle lens includes a test area, first patterns, and second patterns. The test area has a center point, and first and second diagonal lines intersecting at the center point. The first and second patterns are arranged around the center point and located on the first and second diagonal lines. Each of the second patterns comprises first to fourth points successively connected by curves with curvature positively related to a distortion value in relation to the wide-angle lens under test. By designing the test area, the first patterns, and the second patterns, a deformation of the first and second patterns in a captured image can be eliminated. The method for testing resolution using the test chart is also disclosed.
    Type: Application
    Filed: January 26, 2022
    Publication date: August 11, 2022
    Inventors: Po-Chou Chen, Chun-Cheng Ko
  • Publication number: 20220107139
    Abstract: A cooling device includes at least one fin laminated body which extends in a first direction and includes fins laminated in a second direction perpendicular to the first direction, and a heat conductor which extends in the second direction and is inside the fin laminated body. A second-direction interval between adjacent ones of the fins on one side of the fin laminated body in the first direction is greater than another second-direction interval between adjacent ones of the fins on another side of the fin laminated body in the first direction.
    Type: Application
    Filed: October 1, 2021
    Publication date: April 7, 2022
    Inventors: Masashi TAKAO, Po-Chou SHIH
  • Publication number: 20220043231
    Abstract: An optical lens includes a first transparent portion and a first flange portion arranged around the first transparent portion. The first transparent portion and the first flange portion are symmetrical about an optical axis of the optical lens. The first flange portion includes a connecting portion and a peripheral portion. The connecting portion is coupled between the first transparent portion and the peripheral portion. An object side of the first transparent portion includes a first transparent surface. The connecting portion includes a connecting surface coupled to the first transparent surface. The connecting surface is a textured surface.
    Type: Application
    Filed: December 28, 2020
    Publication date: February 10, 2022
    Inventors: PO-CHOU CHEN, CHUN-CHENG KO
  • Publication number: 20220043189
    Abstract: An optical lens includes a transparent portion and a flange portion surrounding the transparent portion. The flange portion includes a connecting portion, a transition portion, and an edge portion. The connecting portion is coupled between the transparent portion and the transition portion. The transition portion is coupled between the connecting portion and the edge portion. The flange portion defines a V-shaped groove. The V-shaped groove surrounds the transparent portion.
    Type: Application
    Filed: December 11, 2020
    Publication date: February 10, 2022
    Inventors: PO-CHOU CHEN, CHUN-CHENG KO
  • Publication number: 20220011476
    Abstract: An optical lens includes a lens barrel, a first lens, and an aperture. The lens barrel includes a first end and a second end. A receiving space is provided between the first end and the second end. The first end is provided with a light inlet opening communicating with the receiving space. The second end is provided with a light outlet opening communicating with the receiving space. A first light enters through the light inlet opening. A second light exits through the light outlet opening. The first lens is located in the receiving space and configured to receive and transmit at least a portion of the first light. The aperture is located in the receiving space and fixedly arranged on a side of the first lens facing away from the second end. The aperture is used to adjust an amount of the first light incident into the lens barrel.
    Type: Application
    Filed: November 11, 2020
    Publication date: January 13, 2022
    Inventors: PO-CHOU CHEN, CHUN-CHENG KO
  • Patent number: 11208055
    Abstract: A protective panel assembly for protecting an exterior surface of a vehicle, the protective panel assembly including a panel having an inner layer, an outer layer, and a plurality of rigid members. The inner layer and the outer layer are formed of a flexible material. The plurality of rigid members are positioned between the inner layer and the outer layer. The plurality of rigid members being spaced apart from each other.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: December 28, 2021
    Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventor: Warren Jing Po Chou
  • Publication number: 20210396915
    Abstract: An optical lens includes a first lens, a filter, and a shading sheet between the first lens and the filter. The first lens is configured to emit a first light with a wavelength in a first wavelength range and a second light in a second wavelength range. The filter is after the first lens, allowing the through transmission of the first light for imaging but reflecting the second light. The shading sheet absorbs at least a part of the second light. An imaging device and an electronic device using same are also provided.
    Type: Application
    Filed: September 28, 2020
    Publication date: December 23, 2021
    Inventors: PO-CHOU CHEN, CHUN-CHENG KO
  • Publication number: 20210389545
    Abstract: A lens effectively rejecting light from outside of a field of view of an image-capturing device can be assembled with other lenses in a lens barrel to form a lens module. The lens includes a central effective optical area and a connection area arranged surrounding the effective optical area. The connection area includes a side surface and adjacent first end surface, the side surface includes a first plane area and an inclined plane area. The inclined plane area extends from an end of the first plane area away from the first end surface toward the axis of the lens. The disclosure also provides the lens module having the above lens.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 16, 2021
    Inventors: CHUN-CHENG KO, PO-CHOU CHEN