Patents by Inventor Tung Chang

Tung 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: 20240149057
    Abstract: A device for treating a user's skin using plasma is provided. The device comprises a plasma generation assembly and a power supply. The plasma generation assembly comprises a discharge electrode including a first surface; a first dielectric material layer provided on the first surface of the discharge electrode and the first surface, a ground electrode surrounding the discharge electrode, and an insulation member spacing around the discharge electrode from the ground electrode. The power supply configured to apply power to the plasma generation assembly so that plasma is generated from the first surface of the discharge electrode to the ground electrode and between the first dielectric material layer and the user's skin.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 9, 2024
    Inventors: HUI-FANG LI, YU-TING LIN, CHUN-HAO CHANG, CHIH-TUNG LIU, CHUN-PING HSIAO, YU-PIN CHENG
  • Patent number: 11978678
    Abstract: A display device includes a first substrate, a light-emitting element, a light conversion layer, and a color filter layer. The light-emitting element is disposed on the first substrate. The light conversion layer is disposed on the light-emitting element. In addition, the color filter layer is overlapped the light-emitting element and the light conversion layer.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: May 7, 2024
    Assignee: INNOLUX CORPORATION
    Inventors: Tung-Kai Liu, Tsau-Hua Hsieh, Wei-Cheng Chu, Chun-Hsien Lin, Chandra Lius, Ting-Kai Hung, Kuan-Feng Lee, Ming-Chang Lin, Tzu-Min Yan, Hui-Chieh Wang
  • Publication number: 20240131808
    Abstract: A tape laying device includes a tape transmission mechanism, a compaction head mechanism, a cutter mechanism, a heating mechanism and a motion mechanism. The tape transmission mechanism is configured to transmit the pre-impregnated tape. The compaction head mechanism, connected with the tape transmission mechanism, is configured to depress and drive the pre-impregnated tape transmitted by the tape transmission mechanism to follow a moving path so as to adhere the pre-impregnated tape onto the mould surface. The cutter mechanism is configured to cut the pre-impregnated tape. The heating mechanism, disposed downstream to the cutter mechanism, is configured to heat the pre-impregnated tape. The motion mechanism is used to have the cutter mechanism having an active path to move toward the moving path while the cutter mechanism cuts the pre-impregnated tape.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 25, 2024
    Inventors: TENG-YEN WANG, SHUN-SHENG KO, MIAO-CHANG WU, TUNG-YING LIN, CHAO-HONG HSU
  • Patent number: 11935947
    Abstract: An enhancement mode high electron mobility transistor (HEMT) includes a group III-V semiconductor body, a group III-V barrier layer and a gate structure. The group III-V barrier layer is disposed on the group III-V semiconductor body, and the gate structure is a stacked structure disposed on the group III-V barrier layer. The gate structure includes a gate dielectric and a group III-V gate layer disposed on the gate dielectric, and the thickness of the gate dielectric is between 15 nm to 25 nm.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: March 19, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chih-Tung Yeh, Chun-Ming Chang, Bo-Rong Chen, Shin-Chuan Huang, Wen-Jung Liao, Chun-Liang Hou
  • Publication number: 20240088279
    Abstract: A method for forming a semiconductor structure includes the steps of forming a stacked structure on a substrate, forming an insulating layer on the stacked structure, forming a passivation layer on the insulating layer, performing an etching process to form an opening through the passivation layer and the insulating layer to expose a portion of the stacked structure and an extending portion of the insulating layer, and forming a contact structure filling the opening and directly contacting the stacked structure, wherein the extending portion of the insulating layer is adjacent to a surface of the stacked structure directly contacting the contact structure.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 14, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ming-Hua Chang, Po-Wen Su, Chih-Tung Yeh
  • Publication number: 20240086403
    Abstract: An accelerator is disclosed. The accelerator may include an on-chip memory to store a data from a database. The on-chip memory may include a first memory bank and a second memory bank. The first memory bank may store the data, which may include a first value and a second value. A computational engine may execute, in parallel, a command on the first value in the data and the command on the second value in the data in the on-chip memory. The on-chip memory may be configured to load a second data from the database into the second memory bank in parallel with the computation engine executing the command on the first value in the data and executing the command on the second value in the data.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Inventors: Andrew Zhenwen CHANG, Vincent Tung PHAM, Jaemin JUNG
  • Publication number: 20240071758
    Abstract: A method for fabricating a high electron mobility transistor (HEMT) includes the steps of forming a buffer layer on a substrate, forming a barrier layer on the buffer layer, forming a p-type semiconductor layer on the barrier layer, forming a gate electrode layer on the p-type semiconductor layer, and patterning the gate electrode layer to form a gate electrode. Preferably, the gate electrode includes an inclined sidewall.
    Type: Application
    Filed: September 23, 2022
    Publication date: February 29, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chih-Tung Yeh, You-Jia Chang, Bo-Yu Chen, Yun-Chun Wang, Ruey-Chyr Lee, Wen-Jung Liao
  • Patent number: 11916131
    Abstract: According to an exemplary embodiment, a method of forming a vertical device is provided. The method includes: providing a protrusion over a substrate; forming an etch stop layer over the protrusion; laterally etching a sidewall of the etch stop layer; forming an insulating layer over the etch stop layer; forming a film layer over the insulating layer and the etch stop layer; performing chemical mechanical polishing on the film layer and exposing the etch stop layer; etching a portion of the etch stop layer to expose a top surface of the protrusion; forming an oxide layer over the protrusion and the film layer; and performing chemical mechanical polishing on the oxide layer and exposing the film layer.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: De-Fang Chen, Teng-Chun Tsai, Cheng-Tung Lin, Li-Ting Wang, Chun-Hung Lee, Ming-Ching Chang, Huan-Just Lin
  • Publication number: 20240052612
    Abstract: A connector assembly for connecting a valve seat with an outlet pipe and a faucet having the same are provided. The valve seat includes an outlet channel provided with an insertion hole and a first axial connection portion arranged at an outer cylindrical wall thereof. The first axial connection portion is located below the insertion hole. The outlet pipe includes an inlet end provided with a mounting portion and a second axial connection portion arranged at an outer surface of the outlet pipe and located close to the mounting portion. The second axial connection portion is detachably mounted into the first axial connection portion from bottom up to form a rotation point. By the outlet pipe rotated around the rotation point, the mounting portion is forced to be mounted and positioned inside the insertion hole of the valve seat firmly with sealing effect.
    Type: Application
    Filed: March 22, 2023
    Publication date: February 15, 2024
    Inventor: Jih-Tung Chang
  • Publication number: 20240021761
    Abstract: An electronic device includes a substrate, a driving component and an electronic component. The driving component is arranged on the substrate, wherein the driving component includes a first electrode and a first optical adjustment unit, the first optical adjustment unit is arranged on the first electrode, and the first optical adjustment unit has a first opening to expose a surface of the first electrode. The electronic component is arranged on the driving component, wherein the electronic component includes a second electrode electrically connected to the first electrode of the driving component through the first opening of the first optical adjustment unit.
    Type: Application
    Filed: June 14, 2023
    Publication date: January 18, 2024
    Inventors: Tung-Chang TSAI, Chih-Chin WANG
  • Publication number: 20240008279
    Abstract: A semiconductor device and method of fabricating the same are disclosed. The method includes depositing a polysilicon gate layer over a gate dielectric formed over a surface of a substrate in a peripheral region, forming a dielectric layer over the polysilicon gate layer and depositing a height-enhancing (HE) film over the dielectric layer. The HE film, the dielectric layer, the polysilicon gate layer and the gate dielectric are then patterned for a high-voltage Field Effect Transistor (HVFET) gate to be formed in the peripheral region. A high energy implant is performed to form at least one lightly doped region in a source or drain region in the substrate adjacent to the HVFET gate. The HE film is then removed, and a low voltage (LV) logic FET formed on the substrate in the peripheral region. In one embodiment, the LV logic FET is a high-k metal-gate logic FET.
    Type: Application
    Filed: June 26, 2023
    Publication date: January 4, 2024
    Applicant: Cypress Semiconductor Corporation
    Inventors: Chun Chen, James Pak, Unsoon KIM, Inkuk Kang, Sung-Taeg Kang, Kuo Tung Chang
  • Patent number: 11830942
    Abstract: In an example embodiment, a method comprises: forming first spacers adjacent to a memory cell formed on a substrate, each of the first spacers being formed in direct contact with the substrate, where forming the memory cell includes forming a control gate electrode and a tunnel oxide layer over the substrate and subsequently etching completely at least the control gate electrode and the tunnel oxide layer that are disposed beyond the memory cell; forming an interlayer dielectric layer over the memory cell and the first spacers; forming a contact hole through the interlayer dielectric layer to at least reach the substrate; subsequent to forming the contact hole, forming a second spacer adjacent to one of the first spacers, where a height of the second spacer is greater than a height of the first spacers, the second spacer substantially contacting the substrate and the interlayer dielectric layer; and forming a contact in the contact hole.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: November 28, 2023
    Assignee: Infineon Technologies LLC
    Inventors: Angela T. Hui, Wenmei Li, Minh Van Ngo, Amol Ramesh Joshi, Kuo-Tung Chang
  • Publication number: 20230361060
    Abstract: An electronic device package includes a first substrate, a second substrate and a conductive layer. The first substrate includes a first bonding pad, and a cavity exposing the first bonding pad. The second substrate is laminated on the first substrate. The second substrate includes a second bonding pad at least partially inserting into the cavity of the first substrate. The conductive layer is disposed in the cavity and at least between the first bonding pad and the second bonding pad to connect the first bonding pad and the second bonding pad.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Cheng-Nan LIN, Wei-Tung CHANG, Jen-Chieh KAO, Huei-Shyong CHO
  • Publication number: 20230335454
    Abstract: The present disclosure provides a semiconductor device package including a first device, a second device, and a spacer. The first device includes a substrate having a first dielectric constant. The second device includes a dielectric element, an antenna, and a reinforcing element. The dielectric element has a second dielectric constant less than the first dielectric constant. The antenna is at least partially within the dielectric element. The reinforcing element is disposed on the dielectric element, and the reinforcing element has a third dielectric constant greater than the first dielectric constant.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventor: Wei-Tung CHANG
  • Publication number: 20230262880
    Abstract: Provided is a circuit board structure including a substrate, a loop-wrapping ground layer, an insulating structure, a first build-up layer, a top wiring layer, a bottom wiring layer, a first conductive via, and a plurality of second conductive vias. The aforementioned structure defines a signal transmitting structure. An equivalent circuit of the signal transmitting structure at least includes a first equivalent circuit, a second equivalent circuit, a third equivalent circuit and a fourth equivalent circuit, which correspond to different uniform transmitting sections respectively. The first equivalent circuit, the second equivalent circuit, the third equivalent circuit and the fourth equivalent circuit are connected in series with each other according to an ABCD transmission matrix series connection principle.
    Type: Application
    Filed: February 1, 2023
    Publication date: August 17, 2023
    Applicant: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Jun-Rui Huang, Ming-Hao Wu, Tung-Chang Lin
  • Publication number: 20230262890
    Abstract: A circuit board structure includes a substrate, a first build-up structure layer, first and second external circuit layers, at least one first conductive via, and second conductive vias. The first build-up structure layer is disposed on a first circuit layer of the substrate. The first external circuit layer is disposed on the first build-up structure layer. The second external circuit layer is disposed on a second circuit layer and a portion of a third dielectric layer of the substrate. The first conductive via is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias surround the first conductive via, and the first external circuit layer, the second conductive vias, the first circuit layer, the outer conductive layer, and the second external circuit layer define a first ground path. The first ground path surrounds the signal path.
    Type: Application
    Filed: September 7, 2022
    Publication date: August 17, 2023
    Applicant: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Chi-Min Chang, Ming-Hao Wu, Yi-Pin Lin, Tung-Chang Lin, Jun-Rui Huang
  • Publication number: 20230262893
    Abstract: A circuit board, including a first dielectric material, a second dielectric material, a third dielectric material, a fourth dielectric material, a first external circuit layer, a second external circuit layer, a conductive structure, a first conductive via, and multiple second conductive vias, is provided. The first conductive via at least passes through the first dielectric material and the fourth dielectric material, and is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias pass through the first dielectric material, the second dielectric material, the third dielectric material, and a part of the conductive structure, and surround the first conductive via. The second conductive vias are electrically connected to the first external circuit layer, the conductive structure, and the second external circuit layer to define a ground path, and the ground path surrounds the signal path.
    Type: Application
    Filed: August 23, 2022
    Publication date: August 17, 2023
    Applicant: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Jun-Rui Huang, Ming-Hao Wu, Yi-Pin Lin, Tung-Chang Lin
  • Patent number: 11705412
    Abstract: An electronic device package includes a first substrate, a second substrate and a conductive layer. The first substrate includes a first bonding pad, and a cavity exposing the first bonding pad. The second substrate is laminated on the first substrate. The second substrate includes a second bonding pad at least partially inserting into the cavity of the first substrate. The conductive layer is disposed in the cavity and at least between the first bonding pad and the second bonding pad to connect the first bonding pad and the second bonding pad.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: July 18, 2023
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Cheng-Nan Lin, Wei-Tung Chang, Jen-Chieh Kao, Huei-Shyong Cho
  • Patent number: 11690227
    Abstract: A semiconductor device and method of fabricating the same are disclosed. The method includes depositing a polysilicon gate layer over a gate dielectric formed over a surface of a substrate in a peripheral region, forming a dielectric layer over the polysilicon gate layer and depositing a height-enhancing (HE) film over the dielectric layer. The HE film, the dielectric layer, the polysilicon gate layer and the gate dielectric are then patterned for a high-voltage Field Effect Transistor (HVFET) gate to be formed in the peripheral region. A high energy implant is performed to form at least one lightly doped region in a source or drain region in the substrate adjacent to the HVFET gate. The HE film is then removed, and a low voltage (LV) logic FET formed on the substrate in the peripheral region. In one embodiment, the LV logic FET is a high-k metal-gate logic FET.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: June 27, 2023
    Assignee: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Chun Chen, James Pak, Unsoon Kim, Inkuk Kang, Sung-Taeg Kang, Kuo Tung Chang
  • Patent number: 11682601
    Abstract: The present disclosure provides a semiconductor device package including a first device, a second device, and a spacer. The first device includes a substrate having a first dielectric constant. The second device includes a dielectric element, an antenna, and a reinforcing element. The dielectric element has a second dielectric constant less than the first dielectric constant. The antenna is at least partially within the dielectric element. The reinforcing element is disposed on the dielectric element, and the reinforcing element has a third dielectric constant greater than the first dielectric constant. The spacer is disposed between the first device and the second device and configured to define a distance between the first device and the second device.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: June 20, 2023
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventor: Wei-Tung Chang