Patents by Inventor Ho Chang

Ho 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).

  • Patent number: 11999762
    Abstract: The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: June 4, 2024
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Jeong Ho Park, Hee Il Chae, Kyung Sil Yoon, Ju-Sik Kang, Yu Mi Chang, Nam-Choul Yang, Jae Kyun Park, Song Lee
  • Patent number: 12001571
    Abstract: A method of operating a user device includes: receiving a command from a user to power on the user device, wherein the user device includes information on a restricted zone associated with the user device; detecting, by a monitoring entity of the user device without involvement of any device external to the user device, whether the user device is located within the restricted zone in response to the user device being powered on and before an operating system of the user device is executed; and granting access of the user to the user device by the monitoring entity in response to detecting the user device as being within the restricted zone.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: June 4, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Wen-Chang Kuo, Chiang Kao, Kuo Hsiung Chen, Ho-Han Liu, Ti-Yen Yang, Jo-Chan Liu, Chi-Pin Wang, Yao-Hsiung Chang
  • Patent number: 11999400
    Abstract: A hamper has a fabric bag, and a supporting frame assembly that has a foldable wall assembly, a base and a top frame. The foldable wall assembly has a rear frame, a left frame a right frame. The base has a rear side that is pivotally connected with the bottom side of the rear frame, with the left and right sides of the base removably coupled to the bottom sides of the left frame and the right frame, respectively. The top frame has a rear side that is removably coupled to the top side of the rear frame, with the left and right sides of the top frame removably coupled to the top sides of the left frame and the right frame, respectively. The fabric bag has four side walls, each side wall having a lip extending around the upper edge of each side wall, and four vertical corner sleeve pockets.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: June 4, 2024
    Assignee: Seville Classics Inc.
    Inventors: Edwin Ho, Wen-Dung Chang
  • Publication number: 20240180010
    Abstract: A light emitting display device according to an embodiment includes a driving element layer disposed on a substrate, a light emitting element layer disposed on the driving element layer, and an external light decreasing layer disposed on the light emitting element layer. The light emitting element layer includes an anode, a pixel defining film having a first opening exposing at least a portion of the anode, a light emitting layer disposed on the anode in the first opening of the pixel defining film, and a cathode disposed on the light emitting layer and the pixel defining film. The external light decreasing layer includes an inorganic material having an absorption coefficient of greater than or equal to about 1.5, and includes a reflection control layer having a second opening corresponding to the first opening of the pixel defining film.
    Type: Application
    Filed: July 20, 2023
    Publication date: May 30, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Hyeong LEE, Dae Won KIM, Su Jeong KIM, Jong Ho SON, Hyebeom SHIN, Kyung Hee LEE, Sun-Young CHANG
  • Publication number: 20240176944
    Abstract: A method of process technology assessment is provided. The method includes: defining a scope of the process technology assessment, the scope comprising an original process technology and a first process technology; modeling a first object in an integrated circuit into a resistance domain and a capacitance domain; generating a first resistance scaling factor and a first capacitance scaling factor based on the modeling, the original process technology, and the first process technology; and utilizing, by an electronic design automation (EDA) tool, the first resistance scaling factor and the first capacitance scaling factor for simulation of the integrated circuit.
    Type: Application
    Filed: February 6, 2024
    Publication date: May 30, 2024
    Inventors: Hung-Chih Ou, Kuo-Fu Lee, Wen-Hao Chen, Keh-Jeng Chang, Hsiang-Ho Chang
  • Patent number: 11996503
    Abstract: A display device includes a first substrate, a first circuit structure, and light-emitting element package structures. The first circuit structure is located above the first substrate, and the first circuit structure has holes. Light-emitting element package structures are located above the first circuit structure. Each light-emitting element package structure includes a second substrate and at least one light-emitting element. The light emitting element is located between the second substrate and the first substrate, emitting toward the first circuit substrate, and overlapping with corresponding hole of the first circuit structure. The width of the corresponding hole near the first substrate is greater than the width of the corresponding hole near the second substrate.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: May 28, 2024
    Assignee: Au Optronics Corporation
    Inventors: Chi-Ho Chang, Jian-Jhou Tseng
  • Publication number: 20240157218
    Abstract: A spin calculation method for a golf ball moving by being hit according to an embodiment of the present invention comprises: acquiring a first image and a second image, which are consecutive images for the golf ball with a plurality of markers to be hit and moved, respectively; processing to obtain information on a reference marker and a plurality of peripheral markers around the reference marker for a plurality of markers on a first ball image corresponding to a golf ball in the first image; specifying a combination of markers corresponding to the reference marker and the peripheral markers on the first ball image among markers in a second ball image corresponding to a golf ball in a second image; and processing to calculate a spin axis and a spin amount of the moving golf ball using each center point of a pair of markers corresponding to each other on the first ball image and the second ball image.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 16, 2024
    Applicant: GOLFZON CO., LTD.
    Inventors: Soo Ho CHANG, Min Kyung SIM
  • Patent number: 11981617
    Abstract: Provided are pamoate salts of ketamine having a stoichiometry of 2:1 of ketamine to pamoate, including R, S-ketamine pamoate, S-ketamine pamoate, or R-ketamine pamoate, and crystalline or amorphous forms of the pamoate salts, and having excellent safety and properties for pharmaceutical applications. Also provided are pharmaceutical compositions including the pamoate salts of ketamine and their uses in treating a CNS disease or serving as an anesthetic.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: May 14, 2024
    Assignee: Alar Pharmaceuticals Inc.
    Inventors: Tong-Ho Lin, Yung-Shun Wen, Chia-Hsien Chen, Wei-Ju Chang
  • Publication number: 20240141473
    Abstract: A hot stamping component according to an embodiment of the present disclosure includes a steel sheet, a plating layer located on the steel sheet and including Zn, and a surface layer located on the plating layer, wherein the surface layer includes a post-treatment layer including an Si-based inorganic post-treatment agent, a Zn oxide layer located on a same layer as the post-treatment layer on the plating layer, and an inter-diffusion layer located between the plating layer and at least one of the post-treatment layer and the Zn oxide layer to overlap at least one of the post-treatment layer and the Zn oxide layer, the inter-diffusion layer including at least one of Si, Mn, O, Fe, Zn, and SiO, wherein a tensile strength of the steel sheet is 1680 MPa or more.
    Type: Application
    Filed: December 29, 2023
    Publication date: May 2, 2024
    Inventors: Min Ho Jang, Kun Woo Chang
  • Publication number: 20240145118
    Abstract: A transparent conductor according to an exemplary embodiment of the present invention includes a transparent substrate, and a transparent conductive pattern formed on the transparent substrate, and the transparent conductor includes a nanostructure on an upper surface of at least one of the transparent substrate and the transparent conductive pattern.
    Type: Application
    Filed: March 17, 2021
    Publication date: May 2, 2024
    Inventors: Dae-Guen CHOI, Hyuk Jun KANG, Ji Hye LEE, Junhyuk CHOI, Won Seok CHANG, Joo Yun JUNG, Jun-ho JEONG
  • Publication number: 20240145379
    Abstract: Methods and semiconductor devices are provided. A method includes determining a location of a polyimide opening (PIO) corresponding to an under-bump metallization (UBM) feature in a die. The die includes a substrate and an interconnect structure over the substrate. The method also includes determining a location of a stacked via structure in the interconnect structure based on the location of the PIO. The method further includes forming, in the interconnect structure, the stacked via structure comprising at most three stacked contact vias at the location of the PIO.
    Type: Application
    Filed: February 23, 2023
    Publication date: May 2, 2024
    Inventors: Yen-Kun Lai, Wei-Hsiang Tu, Ching-Ho Cheng, Cheng-Nan Lin, Chiang-Jui Chu, Chien Hao Hsu, Kuo-Chin Chang, Mirng-Ji Lii
  • Patent number: 11973048
    Abstract: A semiconductor package includes a first die having a first surface, a first conductive bump over the first surface and having first height and a first width, a second conductive bump over the first surface and having a second height and a second width. The first width is greater than the second width and the first height is substantially identical to the second height. A method for manufacturing the semiconductor package is also provided.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: April 30, 2024
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: An-Nong Wen, Ching-Han Huang, Ching-Ho Chang
  • Patent number: 11969089
    Abstract: A slide rail assembly includes a first rail, a second rail, and an auxiliary member. The first rail includes a passage, and the passage includes a passage opening. The second rail is inserts in the passage from the passage opening through being guided by the auxiliary member.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: April 30, 2024
    Assignees: KING SLIDE WORKS CO., LTD., KING SLIDE TECHNOLOGY CO., LTD.
    Inventors: Ken-Ching Chen, Shun-Ho Yang, Wei-Chen Chang, Chun-Chiang Wang
  • Publication number: 20240138033
    Abstract: An electromagnetic induction heating apparatus for heating an aerosol-forming article of an electronic cigarette includes: a power supply unit configured to supply DC power; a power amplifier including a switch unit comprising a pair of transistor switches having a differential structure and receiving DC power from the power supply unit, and a parallel-structured LC resonant network including a resonant inductor connected to an output terminal of the switch unit and electromagnetically inductively coupled with an inductor component of a heat-generating body for heating the aerosol-forming article of the electronic cigarette, and a resonant capacitor connected in parallel to the resonant inductor; and a driving unit configured to adjust a temperature of the heat-generating body by adjusting an operating frequency of the switch unit of the power amplifier to control an amount of current of the resonant inductor electromagnetically inductively coupled with the inductor component of the heat-generating body.
    Type: Application
    Filed: June 29, 2023
    Publication date: April 25, 2024
    Applicants: SILICON MITUS, INC., Hangzhou Silicon-Magic Semiconductor Technology Co., Ltd.
    Inventors: Jun Ho Moon, Il Kwon Chang, Sung Jin Park
  • Patent number: 11964932
    Abstract: Provided are a tricyclodecane dimethanol composition, in which a ratio of structural isomers is controlled, and a preparation method thereof.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: April 23, 2024
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Hee Il Chae, Ju-Sik Kang, Jeong Ho Park, Song Lee, Yu Mi Chang
  • Patent number: 11966119
    Abstract: An optical film for a display device, includes: a first refractive layer having an upper surface and a lower surface including first projections and second projections extending away from the lower surface in a first direction, the second projections having different heights than the first projections, the first projections having lateral sides with different angles of inclination that decrease in the first direction; and a second refractive layer disposed directly on the upper surface of the first refractive layer, the second refractive layer having a refractive index different from that of the first refractive layer.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye Lim Jang, Young Gu Kim, Ji Yun Park, Jong Ho Son, Jong Min Ok, Sun Young Chang, Baek Kyun Jeon, Kyung Seon Tak
  • Publication number: 20240122342
    Abstract: A slide rail assembly includes a first rail, a second rail, a slide-facilitating device, and a working member. The second rail is movably mounted in a channel of, and is displaceable with respect to, the first rail. The slide-facilitating device is movably mounted between the rails and includes an engaging feature. The working member is provided on the first rail and includes a main body portion, an elastic portion for supporting the main body portion, and a predetermined portion connected to the main body portion. The first rail includes a supporting portion for supporting the elastic portion of the working member. The engaging feature is engaged with the predetermined portion of the working member when the slide-facilitating device is at a predetermined position.
    Type: Application
    Filed: March 27, 2023
    Publication date: April 18, 2024
    Inventors: Ken-Ching CHEN, Shun-Ho YANG, Wei-Chen CHANG, Chun-Chiang WANG
  • Publication number: 20240115043
    Abstract: A slide rail assembly includes a first rail, a second rail, a slide-facilitating device, and a retaining member. The second rail is movably mounted in a channel of, and is longitudinally displaceable with respect to, the first rail. The slide-facilitating device is movably mounted between the rails and includes an engaging feature. The retaining member is provided on the first rail and includes an elastic portion with a predetermined feature. The first rail includes a limiting feature for preventing deformation of the elastic portion. When the second rail is moved out of the channel after displacement in an opening direction with respect to the first rail, the slide-facilitating device is at a predetermined position, with the engaging feature engaged with the predetermined feature.
    Type: Application
    Filed: March 27, 2023
    Publication date: April 11, 2024
    Inventors: KEN-CHING CHEN, SHUN-HO YANG, WEI-CHEN CHANG, CHUN-CHIANG WANG
  • Patent number: 11951130
    Abstract: The present invention relates to an antigen-binding molecule comprising a heavy chain variable region comprising a heavy-chain complementarity-determining region 1 (HCDR1) comprising an amino acid sequence represented by Sequence No. 1, an HCDR2 comprising an amino acid sequence represented by Sequence No. 2, and an HCDR3 comprising an amino acid sequence represented by Sequence No. 3; a light-chain variable region comprising a light-chain complementarity-determining region 1 (LCDR1) comprising an amino acid sequence represented by Sequence No. 4, an LCDR2 comprising an amino acid sequence represented by Sequence No. 5, and an LCDR3 comprising an amino acid sequence represented by Sequence No. 6; wherein the antigen-binding molecule is a T cell receptor (TCR); and to a cell line expressing the same.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: April 9, 2024
    Assignee: Eutilex Co., Ltd.
    Inventors: Byoung S. Kwon, Young Ho Kim, Kwang Hee Kim, Ji Won Chung, Young Gyoon Chang, Bo Rim Yi, Jung Yun Lee, Seung Hyun Lee, Sun Woo Im, Jin Kyung Choi, Hyun Tae Son, Eun Hye Yoo
  • Publication number: 20240114414
    Abstract: Provided are a method and apparatus for providing a network switching service to a user equipment.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 4, 2024
    Applicant: KT CORPORATION
    Inventors: Ji-Young JUNG, Kun-Woo PARK, Se-Hoon KIM, Il-Yong KIM, Sang-Hyun PARK, Ho-Jun JANG, Won-Chang CHO