Patents by Inventor Yi-Chen Chang

Yi-Chen 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: 20250098276
    Abstract: Methods for forming a semiconductor device structure are described. The method includes forming first and second fin structures over a substrate and forming a dielectric wall between the first and second fin structures. The forming the dielectric wall includes depositing a first dielectric layer between the first and second fin structures, and a seam is formed in the first dielectric layer. The forming the dielectric wall further includes performing an anisotropic etch process to remove a portion of the first dielectric layer to expose the seam, performing an isotropic etch process to enlarge an opening of the seam, and the seam has a ā€œVā€ shaped cross-sectional profile. The forming the dielectric wall further includes depositing a second dielectric layer between the first and second fin structures, and the seam is filled. The method further includes forming shallow trench isolation regions adjacent the first and second fin structures.
    Type: Application
    Filed: September 15, 2023
    Publication date: March 20, 2025
    Inventors: Kai-Chun CHANG, Chi-Hsun LIN, Yi Chen HO, Hung Cheng LIN
  • Publication number: 20250079237
    Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.
    Type: Application
    Filed: November 18, 2024
    Publication date: March 6, 2025
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-How Chou, Tzu-Hao Fu, Tsung-Yin Hsieh, Chih-Sheng Chang, Shih-Chun Tsai, Kun-Chen Ho, Yang-Chou Lin
  • Publication number: 20250076993
    Abstract: An information handling system keyboard illuminates key values in each of plural keycaps with a backlight located below the plural keys and directed upward through the plural keys and having illumination that adjusts color temperature under management of a controller. A light sensor detects ambient light color temperature and communicates the ambient light color temperature to the controller, which executes instructions in non-transitory memory to adjust the backlight color illumination based on the detected ambient light color temperature to increase color contrast of backlight illumination relative to ambient light and thereby better highlight the key values on the keycap upper surfaces.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 6, 2025
    Applicant: Dell Products L.P.
    Inventors: Wen-Pin Huang, Yao-Hsien Huang, Hsien-Tsan Chang, Yi-Chen Wang, Po-Chun Hou
  • Patent number: 12242673
    Abstract: An information handling system keyboard illuminates key values in each of plural keycaps with a backlight located below the plural keys and directed upward through the plural keys and having illumination that adjusts color temperature under management of a controller. A light sensor detects ambient light color temperature and communicates the ambient light color temperature to the controller, which executes instructions in non-transitory memory to adjust the backlight color illumination based on the detected ambient light color temperature to increase color contrast of backlight illumination relative to ambient light and thereby better highlight the key values on the keycap upper surfaces.
    Type: Grant
    Filed: August 31, 2023
    Date of Patent: March 4, 2025
    Assignee: Dell Products L.P.
    Inventors: Wen-Pin Huang, Yao-Hsien Huang, Hsien-Tsan Chang, Yi-Chen Wang, Po-Chun Hou
  • Patent number: 12233159
    Abstract: The invention discloses an astaxanthin (AST) nanoemulsion and its manufacturing method. The manufacturing method comprising steps of: adding an AST material into a peanut oil and mixing them uniformly to obtain an AST oil; adding 0.25-1.5 (w/w) % of a surfactant into the AST oil and mixing them uniformly to obtain a mixed solution; and adding water into the mixed solution to obtain an AST emulsion precursor; and shaking the AST emulsion precursor to obtain the AST nanoemulsion.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: February 25, 2025
    Assignee: Trade Wind Biotech Co., Ltd.
    Inventors: Hui-Min Wang, Jui-Jen Chang, Hsing-Yu Huang, Yi-Chen Wang
  • Patent number: 12227410
    Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes a first device and a second device disposed adjacent to the first device; a conductive pillar disposed adjacent to the first device or the second device; a molding surrounding the first device, the second device and the conductive pillar; and a redistribution layer (RDL) over the first device, the second device, the molding and the conductive pillar, wherein the RDL electrically connects the first device to the second device and includes an opening penetrating the RDL and exposing a sensing area over the first device.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: February 18, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Po Chen Yeh, Yi-Hsien Chang, Fu-Chun Huang, Ching-Hui Lin, Chiahung Liu, Shih-Fen Huang, Chun-Ren Cheng
  • Patent number: 11617260
    Abstract: A multi-board mid-plane includes a disk backplane board (DBB) having a front side and a rear side. Venting holes are provided within the DBB extending between the front side of the DBB and the rear side of the DBB. The multi-board mid-plane also includes a controller backplane board (CBB) having a front side and a rear side. The front side of the CBB includes venting holes provided within the CBB extending between the front side of the CBB and the rear side of the CBB. A top fabric plane board (TFPB) and a bottom fabric plane board (BFPB) are provided for connecting the DBB with the CBB. A combination of the DBB and the CBB has a venting ratio that is equal to a lower of the venting ratio of the DBB and the venting ratio of the CBB.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: March 28, 2023
    Assignee: Flex Ltd.
    Inventors: Ketan K. Patel, Sashi J. Vijayan, Jeffrey H. Gruger, Wen Tien Wang, Po-Jen Huang, Shih-ming Wan, Yi Chen Chang, Chi Sheng Liu
  • Publication number: 20210349503
    Abstract: A multi-board mid-plane includes a disk backplane board (DBB) having a front side and a rear side. Venting holes are provided within the DBB extending between the front side of the DBB and the rear side of the DBB. The multi-board mid-plane also includes a controller backplane board (CBB) having a front side and a rear side. The front side of the CBB includes venting holes provided within the CBB extending between the front side of the CBB and the rear side of the CBB. A top fabric plane board (TFPB) and a bottom fabric plane board (BFPB) are provided for connecting the DBB with the CBB. A combination of the DBB and the CBB has a venting ratio that is equal to a lower of the venting ratio of the DBB and the venting ratio of the CBB.
    Type: Application
    Filed: May 10, 2021
    Publication date: November 11, 2021
    Applicant: Flex Ltd.
    Inventors: Ketan K. Patel, Sashi J. Vijayan, Jeffrey H. Gruger, Wen Tien Wang, Po-Jen Huang, Shih-ming Wan, Yi Chen Chang, Chi Sheng Liu
  • Publication number: 20190139358
    Abstract: A slot-type game and a gaming machine configured to present a slot-type game include a symbol replacement feature. A first set of game symbols is displayed. If a replacement symbol triggering event occurs, such as the appearance of at least one replacement symbol, the symbol replacement is triggered. At least two symbols of the first set of symbols, such as two symbols adjacent to the replacement symbol, are evaluated to determine a highest ranking and a lowest ranking symbol. A second set of symbols is then displayed, the second set of symbols comprising the first set of symbols with occurrences of the lowest ranking symbol replaced with the highest ranking symbol.
    Type: Application
    Filed: January 7, 2019
    Publication date: May 9, 2019
    Inventors: Emilio Galasso, Yi-Chen Chang
  • Patent number: 10176668
    Abstract: A slot-type game and a gaming machine configured to present a slot-type game include a symbol replacement feature. A first set of game symbols is displayed. If a replacement symbol triggering event occurs, such as the appearance of at least one replacement symbol, the symbol replacement is triggered. At least two symbols of the first set of symbols, such as two symbols adjacent to the replacement symbol, are evaluated to determine a highest ranking and a lowest ranking symbol. A second set of symbols is then displayed, the second set of symbols comprising the first set of symbols with occurrences of the lowest ranking symbol replaced with the highest ranking symbol.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: January 8, 2019
    Assignee: AGS LLC
    Inventors: Emilio Galasso, Yi-Chen Chang
  • Publication number: 20160379439
    Abstract: A slot-type game and a gaming machine configured to present a slot-type game include a symbol replacement feature. A first set of game symbols is displayed. If a replacement symbol triggering event occurs, such as the appearance of at least one replacement symbol, the symbol replacement is triggered. At least two symbols of the first set of symbols, such as two symbols adjacent to the replacement symbol, are evaluated to determine a highest ranking and a lowest ranking symbol. A second set of symbols is then displayed, the second set of symbols comprising the first set of symbols with occurrences of the lowest ranking symbol replaced with the highest ranking symbol.
    Type: Application
    Filed: June 23, 2015
    Publication date: December 29, 2016
    Inventors: Emilio Galasso, Yi-Chen Chang
  • Patent number: 9275522
    Abstract: Methods, systems, and devices for adapting a Class II game to provide play characteristics of a Class III game are provided. Plays of the Class III game are simulated in a computer to obtain frequencies of occurrence of at least one Class III award. Plays of the Class II game are simulated in a computer to obtain frequencies of occurrence of at least one Class II outcome. A Class III award is selected. A Class II outcome having a similar frequency of occurrence to the selected Class III award is selected. An award is defined for the selected Class II outcome according to the selected Class III award.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: March 1, 2016
    Assignee: AGS, LLC
    Inventors: Yi-Chen Chang, Inna Lifchits, Olaf Vancura
  • Patent number: 9275521
    Abstract: Methods, systems, and devices for adapting a Class II game to provide play characteristics of a Class III game are provided. Plays of the Class III game are simulated in a computer to obtain frequencies of occurrence of at least one Class III award. Plays of the Class II game are simulated in a computer to obtain frequencies of occurrence of at least one Class II outcome. A Class III award is selected. A Class II outcome having a similar frequency of occurrence to the selected Class III award is selected. An award is defined for the selected Class II outcome according to the selected Class III award.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: March 1, 2016
    Assignee: AGS, LLC
    Inventors: Yi-Chen Chang, Inna Lifchits, Olaf Vancura
  • Publication number: 20140120998
    Abstract: Methods, systems, and devices for adapting a Class II game to provide play characteristics of a Class III game are provided. Plays of the Class III game are simulated in a computer to obtain frequencies of occurrence of at least one Class III award. Plays of the Class II game are simulated in a computer to obtain frequencies of occurrence of at least one Class II outcome. A Class III award is selected. A Class II outcome having a similar frequency of occurrence to the selected Class III award is selected. An award is defined for the selected Class II outcome according to the selected Class III award.
    Type: Application
    Filed: May 14, 2013
    Publication date: May 1, 2014
    Applicant: AGS, LLC
    Inventors: Yi-Chen Chang, Inna lifchits, Olaf Vancura
  • Publication number: 20130303255
    Abstract: Methods, systems, and devices for adapting a Class II game to provide play characteristics of a Class III game are provided. Plays of the Class III game are simulated in a computer to obtain frequencies of occurrence of at least one Class III award. Plays of the Class II game are simulated in a computer to obtain frequencies of occurrence of at least one Class II outcome. A Class III award is selected. A Class II outcome having a similar frequency of occurrence to the selected Class III award is selected. An award is defined for the selected Class II outcome according to the selected Class III award.
    Type: Application
    Filed: April 10, 2013
    Publication date: November 14, 2013
    Inventors: Yi-Chen Chang, Inna Lifchits, Olaf Vancura
  • Patent number: 8439742
    Abstract: Methods, systems, and devices for adapting a Class II game to provide play characteristics of a Class III game are provided. Plays of the Class III game are simulated in a computer to obtain frequencies of occurrence of at least one Class III award. Plays of the Class II game are simulated in a computer to obtain frequencies of occurrence of at least one Class II outcome. A Class III award is selected. A Class II outcome having a similar frequency of occurrence to the selected Class III award is selected. An award is defined for the selected Class II outcome according to the selected Class III award.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: May 14, 2013
    Assignee: AGS, LLC
    Inventors: Yi-Chen Chang, Inna Lifchits, Olaf Vancura
  • Publication number: 20130072283
    Abstract: Methods, systems, and devices for adapting a Class II game to provide play characteristics of a Class III game are provided. Plays of the Class III game are simulated in a computer to obtain frequencies of occurrence of at least one Class III award. Plays of the Class II game are simulated in a computer to obtain frequencies of occurrence of at least one Class II outcome. A Class III award is selected. A Class II outcome having a similar frequency of occurrence to the selected Class III award is selected. An award is defined for the selected Class II outcome according to the selected Class III award.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 21, 2013
    Applicant: AGS, LLC
    Inventors: Yi-Chen Chang, Inna Lifchits, Olaf Vancura
  • Patent number: 7429969
    Abstract: A method for driving a current-driven Active Matrix Organic Light Emitting Diode (AMOLED) pixel, which provides a pre-charging signal (Pre-Charge) to drive the current source before the data of the AMOLED is updated. The capacitor is thereby discharged via the discharging path to avoid the incorrect display picture problem due to an insufficient discharge when the display frame is being changed.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: September 30, 2008
    Assignee: Au Optronics Corporation
    Inventor: Yi-Chen Chang
  • Patent number: 7129636
    Abstract: An active matrix organic electroluminescent device with a thermal insulation structure and fabrication method thereof. The active matrix organic electroluminescent device comprises a plurality of pixel areas arranged in a matrix form. Each pixel area comprises a TFT, an OLED and a thermal insulation structure formed between the OLED and the TFT. The thermal insulation structure insulates the OLED from the heat generated by the TFT under operation, resulting in high luminescent efficiency and extended lifetime of the device.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: October 31, 2006
    Assignee: AU Optronics Corp.
    Inventor: Yi-Chen Chang
  • Patent number: 7055158
    Abstract: An improved locking apparatus for a CD drive magazine having its locking alley designed to have a free top and an entrance to admit a locking rod; a wider gradation being disposed at the cross section of the locking alley; a flange being provided at the top of the locking rod; the locking alley holding the magazine in position; a direct connection being defined between the magazine and the locking member by the gradation of the locking alley and the flange of the locking rod to prevent the escape of the magazine from the locking alley thus to firmly secure the magazine in position.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: May 30, 2006
    Assignee: Eastwin Technology Inc.
    Inventors: Tao-Yuan Chang, Yi-Chen Chang