Patents by Inventor Chang Wu

Chang Wu 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: 20250138362
    Abstract: A reflective display panel including a pixel structure is provided. The pixel structure has a reflective area and includes an active device, an insulation layer, and a reflective layer. The insulation layer is located above the active device. The reflective layer is disposed on the insulation layer and located in the reflective area. The reflective layer includes a silver alloy layer. A material of the silver alloy layer include silver with an atomic percentage greater than 96.5%, zinc with an atomic percentage greater than or equal to 0.1% and less than or equal to 2.0%, and antimony with an atomic percentage greater than or equal to 0.1% and less than or equal to 1.5%. A sputtering target adapted to deposit the silver alloy layer is further provided. A material of the sputtering target include silver with the atomic percentage greater than 96.5%, zinc with the atomic percentage greater than or equal to 0.1% and less than or equal to 2.0%, and antimony with the atomic percentage greater than or equal to 0.
    Type: Application
    Filed: September 2, 2024
    Publication date: May 1, 2025
    Applicant: HannStar Display Corporation
    Inventors: Chiung-Chang Wu, Hsien-Tang Hu
  • Patent number: 12289858
    Abstract: An example compute cabinet assembly includes an equipment room configured to implement electrical components therein, an air inlet channel coupled to a first side of the equipment room, and a cabinet fan module coupled to a second side of the equipment room opposite the first side. A first air outlet channel is coupled to the cabinet fan module and extends along a third side of the equipment room towards a first outlet of the first air outlet channel. Moreover, electric fans are positioned in the cabinet fan module, the electric fans being configured to create an airflow path originating at an inlet of the air inlet channel. The airflow path further extends through the equipment room and cabinet fan module. A guide plate is also positioned adjacent to an inlet of the equipment room, the guide plate being configured to uniformly distribute the airflow path through the equipment room.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: April 29, 2025
    Assignee: QUANTA COMPUTER INC.
    Inventors: Yi-Chieh Chen, Yueh-Chang Wu, Te-Chuan Wang, Tzu-Hsuan Hsu
  • Publication number: 20250108458
    Abstract: An ingot splitting method and an ingot splitting apparatus are provided. The ingot splitting method includes the following steps. A laser provided from a laser source is focused with a focusing lens group on a plane to be split of an ingot, and a focus point of the laser is used to scan the plane to be split. An opposing first side and second side of the ingot are fixed with a chuck table and an ultrasonic source. The plane to be split is located between the first side and the second side. A pulling force is applied to the second side in a direction away from the ingot with a tensioner, and ultrasonic waves are applied to vibrate the ingot with the ultrasonic source simultaneously, so that the ingot is divided into two parts from the plane to be split.
    Type: Application
    Filed: September 9, 2024
    Publication date: April 3, 2025
    Applicant: Industrial Technology Research Institute
    Inventors: Kun-Wei Lin, Tung-Ying Lin, Miao-Chang Wu
  • Publication number: 20250099405
    Abstract: The present disclosure generally relates to classes of compounds that bind the chromo-barrel domain of AT-rich interactive domain 4B (ARID4B). In some aspects, the compounds are of the Formula (II) as described herein, or a diamine composite thereof as set forth in Formula III herein. In some aspects, the compound is selected from compounds 1a, 1b, 1c, 1d, 1e, 2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i, 2j, (as described herein) or combinations thereof. The present disclosure further considers administration of the compounds to target ARID4B in cells and for the treatment of cancerous breast tissue cells.
    Type: Application
    Filed: January 18, 2023
    Publication date: March 27, 2025
    Applicants: University of Kentucky Research Foundation, The George Washington University
    Inventors: Samuel Ofori, Samuel Gorman Awuah, Ray-Chang Wu, Mei-Yi Wu
  • Publication number: 20250105140
    Abstract: A method for manufacturing a semiconductor device includes: forming a plurality of sacrificial stack portions on a semiconductor substrate, the sacrificial stack portions being spaced apart from each other; forming a metal material layer to cover the sacrificial stack portions, the metal material layer including a first metal and a second metal different from the first metal, the first metal having a reduction potential lower than that of the second metal; and annealing the metal material layer to form a self-forming barrier layer conformally covering the sacrificial stack portions, the self-forming barrier layer including a metal oxide, a metal silicide, or a combination thereof formed from the first metal by annealing.
    Type: Application
    Filed: September 26, 2023
    Publication date: March 27, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shih-Kang FU, Hsien-Chang WU, Ming-Han LEE
  • Patent number: 12258990
    Abstract: A fastener device includes a body portion and a second clamping portion. The body portion includes a first clamping portion and a shank portion, where the shank portion is fixed to the first clamping portion, and the second clamping portion includes an engaging member. The engaging member is provided with an opening, and a first protruding structure. The opening allows the shank portion to pass therethrough, and that the first protruding structure is adjacent to the opening. The shank portion includes a rack structure, such that when the shank portion is inserted into the opening, the first protruding structure will be engaged with the rack structure.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: March 25, 2025
    Inventor: Yi-Chang Wu
  • Publication number: 20250096140
    Abstract: An interconnect structure, along with methods of forming such, are described. The structure includes a dielectric layer, a conductive feature disposed in the dielectric layer, and a conductive layer disposed over the dielectric layer, wherein the conductive layer includes a first portion and a second portion adjacent the first portion. The structure also includes a first barrier layer in contact with the first portion of the conductive layer, a second barrier layer in contact with the second portion of the conductive layer, and a dielectric material disposed between and in contact with the first and second barrier layers, wherein a bottom surface of the second barrier layer and a bottom surface of the dielectric material are substantially co-planar.
    Type: Application
    Filed: September 17, 2023
    Publication date: March 20, 2025
    Inventors: Hsien-Chang WU, Shih-Kang FU, Shin-Yi YANG, Gary LIU, Ting-Ya LO, Ming-Han LEE
  • Patent number: 12246650
    Abstract: A method of displaying a rear-view image and a digital dashboard using the method are provided. The method includes: receiving a rear-view image; and displaying the rear-view image on a default area of a display in response to receiving a signal associated with a direction indicator light, wherein the default area corresponds to the direction indicator light.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: March 11, 2025
    Assignee: Kinpo Electronics, Inc.
    Inventors: Yu Chi Chen, Hsien Chung Chen, Sheng-Chang Wu
  • Patent number: 12236903
    Abstract: A display device and a backlight control method of the display device are provided. When a duration of an image occlusion period is shorter than a preset duration, a backlight driving circuit is controlled to respectively provide a first pulse current and a second pulse current in a first light emitting period and a second light emitting period in each frame period, so as to drive a backlight unit to provide a first backlight and a second backlight. Here, the first pulse current is greater than the second pulse current.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: February 25, 2025
    Assignee: Qisda Corporation
    Inventors: Chun-Chang Wu, Yi-Zong Jhan, Jen-Hao Liao, Tse-Wei Fan, Wei-Yu Chen, Fu-Tsu Yen, Feng-Lin Chen
  • Patent number: 12220062
    Abstract: A hydraulic buffering leg cushion is mounted to a supporting platform. The hydraulic buffering leg cushion includes a leg cushion body, a movable unit, and a fixed connecting member. The leg cushion body is provided with a leg cushion accommodating space, and includes an upper cover, and a lower cover. The movable unit is received in the leg cushion accommodating space, and includes a piston, a membrane assembly, a rubber bowl, and a movable portion. The rubber bowl is clamped, at its outer circumference, by and between the upper cover and the lower cover, so as to partition a damping accommodating space for receiving damping oil. The movable portion and the rubber bowl are pressed, in sequence, onto the piston. The piston is provided with a damping channel, and is connected with the lower cover through a restoring spring. The membrane assembly is disposed underneath the piston, and forms, with the piston, a one-way valve structure. The restoring spring passes through the membrane assembly.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: February 11, 2025
    Inventor: Yi-Chang Wu
  • Publication number: 20250040715
    Abstract: A movable leg cushion, mounted to the supporting leg of a carrier, and includes a housing, a movable inner sleeve, an elastic member, and at least one roller. The housing is, at its outside, fixedly arranged with a fixed connecting member; and is, at its inside, provided with an abutting portion, and with an accommodating space. The movable inner sleeve is slidably arranged in the accommodating space, and can move relative to the housing, such that the movable inner sleeve can move to a moving position or to a braking position. The elastic member is arranged in and between the housing and the movable inner sleeve. The at least one roller is pivotally arranged on the movable inner sleeve. When the movable inner sleeve is located in the moving position, the at least one roller is away from the abutting portion for a moving distance. However, when the movable inner sleeve is located in a braking position, the at least one roller presses against the abutting portion.
    Type: Application
    Filed: September 12, 2023
    Publication date: February 6, 2025
    Inventor: Yi-Chang WU
  • Publication number: 20250024961
    Abstract: A hydraulic buffering leg cushion is mounted to a supporting platform. The hydraulic buffering leg cushion includes a leg cushion body, a movable unit, and a fixed connecting member. The leg cushion body is provided with a leg cushion accommodating space, and includes an upper cover, and a lower cover. The movable unit is received in the leg cushion accommodating space, and includes a piston, a membrane assembly, a rubber bowl, and a movable portion. The rubber bowl is clamped, at its outer circumference, by and between the upper cover and the lower cover, so as to partition a damping accommodating space for receiving damping oil. The movable portion and the rubber bowl are pressed, in sequence, onto the piston. The piston is provided with a damping channel, and is connected with the lower cover through a restoring spring. The membrane assembly is disposed underneath the piston, and forms, with the piston, a one-way valve structure. The restoring spring passes through the membrane assembly.
    Type: Application
    Filed: September 12, 2023
    Publication date: January 23, 2025
    Inventor: Yi-Chang WU
  • Patent number: 12194566
    Abstract: A method for producing graphene, configured for forming a graphene layer on a surface of an object. The method includes steps of: depositing a poly-p-xylene material layer on the surface: and converting the poly-p-xylene material layer into a graphene layer by using a laser sintering process or a plasma-assisted sintering process.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: January 14, 2025
    Assignee: ASUSTEK COMPUTER INC.
    Inventors: Yun-Wei Tsai, Hsien-Yeh Chen, Shu-Man Hu, Chin-Yun Lee, Yi-Chang Wu, Yen-Hsun Lin, Kuo-Wei Tsao, Chi-Liang Tsai
  • Publication number: 20240384405
    Abstract: A system and method for reducing thermal transfer in a dual ampoule system. The dual ampoule system includes a first ampoule, a second ampoule, and a planar heat shield. The planar heat shield is positioned between the first ampoule and the second ampoule, where the planar heat shield is configured to resist thermal transfer between the first ampoule and the second ampoule.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Inventors: Chi-Wen CHIU, Chih-Chang WU, Che-Wei TUNG, Chiang Hsien SHIH, Chin-Szu LEE
  • Publication number: 20240379035
    Abstract: An adjustment method of screen brightness comprises the following steps. Step (a): obtaining a relationship between a brightness and refresh rate of the screen. Step (b): adjusting the screen to a highest refresh rate and displaying an image at a first brightness. Step (c): decreasing the first brightness by a unit brightness value and variably displaying the image between a first refresh rate and a second refresh rate. Step (d): determining whether the image does not flicker; if not, repeating step (c). Step (e): calculating a first brightness difference between a decreased brightness of the screen and a brightness corresponding to a lowest refresh rate when the image does not flicker. Step (f): determining whether the first brightness difference is less than a screen flicker threshold; if yes, decreasing the first brightness corresponding to the highest refresh rate to obtain an adjusted brightness corresponding to the highest refresh rate.
    Type: Application
    Filed: January 10, 2024
    Publication date: November 14, 2024
    Applicant: Qisda Corporation
    Inventors: Yi-Zong JHAN, Tse-Wei FAN, Chun-Chang WU, Jen-Hao LIAO, Wei-Yu CHEN, Feng-Lin CHEN, Fu-Tsu YEN
  • Publication number: 20240381032
    Abstract: A double gap double coil driven speaker includes a diaphragm, a permanent magnet having a magnetization, and a magnetic flux conducting device having a magnetic flux conducting path. The magnetic flux conducting device and the permanent magnet together form a magnetic flux loop, wherein the magnetic flux loop has two gaps, and directions of magnetic fields generated in the two gaps are opposite to each other. The speaker further includes a voice coil having two coils wound on an outer surface of the voice coil and the voice coil having one end connected to the diaphragm, wherein the two coils are respectively accommodated in the two gaps. When the two coils conduct currents, the voice coil is displaced to push the diaphragm, wherein, relative to a common cross section of the two gaps, the currents respectively flowing through the two coils are in opposite directions.
    Type: Application
    Filed: May 8, 2023
    Publication date: November 14, 2024
    Applicant: JULUEN ENTERPRISE CO., LTD.
    Inventors: Ching-Hui HUANG, Bing-Qi CHEN, Sze-Yi CHEN, Po-Chang WU
  • Patent number: 12143823
    Abstract: A method for implementing requests from an app by a SIM in a mobile phone comprises the steps of: binding an app to a BIP server by a mobile phone; delivering a request command to the BIP server from the mobile phone; converting the request command to an APDU format, packing the converted request command in the APDU format in a request packet, and delivering the request packet to an IP of a SIM by the BIP server; receiving and unpacking the request packet to have the converted request command, and providing the converted request command to the SIM; executing the request command to have a result by the SIM; delivering the result in a response packet to the BIP server via the mobile network relayed; unpacking the response packet to fetch the result, and delivering the result to the mobile phone for the app by the BIP server.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: November 12, 2024
    Assignee: Taisys Technologies Co., Ltd.
    Inventors: Chun Hsin Ho, Chih Nung Wang, Chien Chou Chen, Chin Chang Wu
  • Publication number: 20240348186
    Abstract: A method for estimating a rotor angle and a rotor speed of a permanent magnet synchronous motor (PMSM) includes: receiving a d-axis voltage driving signal of the PMSM, and obtaining a first estimated rotor speed of the PMSM according to the d-axis voltage driving signal; receiving a speed command, and obtaining a second estimated rotor speed of the PMSM according to the speed command; performing a weighting adjustment operation upon the first estimated rotor speed and the second estimated rotor speed to obtain a third estimated rotor speed for estimating the rotor speed of the PMSM; and performing an integration operation upon the third estimated rotor speed to obtain an estimated rotor angle for estimating the rotor angle of the PMSM.
    Type: Application
    Filed: April 12, 2023
    Publication date: October 17, 2024
    Applicant: Elite Semiconductor Microelectronics Technology Inc.
    Inventor: Ru-Chang Wu
  • Publication number: 20240331644
    Abstract: The invention provides a display device. The display device includes a display unit and a processing unit. The processing unit is coupled to the display unit. The processing unit provides a user interface through the display unit to prompt a user to adjust at least one response effect. The processing unit presents an image quality checking animation through the display unit or the user interface. The processing unit reflects an adjustment of the response effect in the image quality checking animation in real time.
    Type: Application
    Filed: February 26, 2024
    Publication date: October 3, 2024
    Applicant: Qisda Corporation
    Inventors: Chun-Chang Wu, Chi-Hsing Chang, Yan-Neng Fang, Min-Jye Chen
  • Publication number: 20240328448
    Abstract: A fastener device includes a body portion and a second clamping portion. The body portion includes a first clamping portion and a shank portion, where the shank portion is fixed to the first clamping portion, and the second clamping portion includes an engaging member. The engaging member is provided with an opening, and a first protruding structure. The opening allows the shank portion to pass therethrough, and that the first protruding structure is adjacent to the opening. The shank portion includes a rack structure, such that when the shank portion is inserted into the opening, the first protruding structure will be engaged with the rack structure.
    Type: Application
    Filed: August 9, 2023
    Publication date: October 3, 2024
    Inventor: Yi-Chang WU