Patents by Inventor Ku Chang

Ku 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: 20240136291
    Abstract: Semiconductor devices and methods of forming the same are provided. In some embodiments, a method includes receiving a workpiece having a redistribution layer disposed over and electrically coupled to an interconnect structure. In some embodiments, the method further includes patterning the redistribution layer to form a recess between and separating a first conductive feature and a second conductive feature of the redistribution layer, where corners of the first conductive feature and the second conductive feature are defined adjacent to and on either side of the recess. The method further includes depositing a first dielectric layer over the first conductive feature, the second conductive feature, and within the recess. The method further includes depositing a nitride layer over the first dielectric layer. In some examples, the method further includes removing portions of the nitride layer disposed over the corners of the first conductive feature and the second conductive feature.
    Type: Application
    Filed: January 12, 2023
    Publication date: April 25, 2024
    Inventors: Hsiang-Ku SHEN, Chen-Chiu HUANG, Chia-Nan LIN, Man-Yun WU, Wen-Tzu CHEN, Sean YANG, Dian-Hao CHEN, Chi-Hao CHANG, Ching-Wei LIN, Wen-Ling CHANG
  • Publication number: 20240088208
    Abstract: A method for forming a semiconductor device structure is provided. The method includes forming an interconnect structure over a substrate. The method includes forming a first conductive pad and a mask layer over the interconnect structure. The mask layer covers a top surface of the first conductive pad. The method includes forming a metal oxide layer over a sidewall of the first conductive pad. The method includes forming a second conductive pad over the first conductive pad and passing through the mask layer. The first conductive pad and the second conductive pad are made of different materials.
    Type: Application
    Filed: January 11, 2023
    Publication date: March 14, 2024
    Inventors: Tzu-Ting LIU, Hsiang-Ku SHEN, Wen-Tzu CHEN, Man-Yun WU, Wen-Ling CHANG, Dian-Hau CHEN
  • Publication number: 20220310887
    Abstract: A display device includes a circuit substrate, a blocker, a first and second pad located on the circuit substrate, a light-emitting element, and a first and second connecting portion. The blocker is located on the circuit substrate, and has an opposite first and second side and an opposite third and fourth side. The first pad is adjacent to the first side of the blocker. The second pad is adjacent to the second side of the blocker. The light-emitting element is located on the blocker and the first and second pads, and includes a first and second electrode. The first connecting portion is connected to the first electrode and the first pad. The second connecting portion is connected to the second electrode and the second pad. The third and fourth sides of the blocker are aligned with a side of each of the first and second connecting portions.
    Type: Application
    Filed: November 1, 2021
    Publication date: September 29, 2022
    Applicant: Au Optronics Corporation
    Inventors: Chung En Peng, Chung-Chan Liu, Chien-Cheng Chang, Sheng-Kai Lin, Hui-Ku Chang
  • Patent number: 11442210
    Abstract: A polarizer substrate includes a substrate, a reflective layer, and a metal pattern layer. The reflective layer is located on the substrate and has a transmission area and a reflective area. The metal pattern layer is located on the reflective layer and the substrate. The metal pattern layer includes a polarizer structure and a microstructure. The polarizer structure includes a plurality of grid lines overlapping the transmission area. A thickness of each of the grid lines is 200 nm to 500 nm, a width of each of the grid lines is 30 nm to 70 nm, and a distance between each adjacent two of the grid lines is 30 nm to 70 nm. The microstructure overlaps the reflective area, and a thickness of the microstructure is 20 nm to 500 nm.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 13, 2022
    Assignee: Au Optronics Corporation
    Inventors: Sheng-Kai Lin, Chia-Hsin Chung, Tsai-Sheng Lo, Sheng-Ming Huang, Ming-Jui Wang, Chih-Chiang Chen, Hui-Ku Chang, Cheng-Chan Wang, Chia-Po Lin, Jen-Kuei Lu
  • Patent number: 11392003
    Abstract: An active device substrate including a substrate, first metal grid wires, a first transparent conductive layer, a gate insulating layer, a semiconductor layer, a source, and a drain is provided. The first metal grid wires are located on the substrate. The first transparent conductive layer includes a scan line and a gate connected to the scan line. The scan line and/or the gate is directly connected to at least a part of the first metal grid wires. The gate insulating layer is located on the first transparent conductive layer. The semiconductor layer is located on the gate insulating layer and overlapped with the gate. The source and the drain are electrically connected to the semiconductor layer.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: July 19, 2022
    Assignee: Au Optronics Corporation
    Inventors: Cheng-Chan Wang, Tsai-Sheng Lo, Chia-Hsin Chung, Chih-Chiang Chen, Hui-Ku Chang, Sheng-Kai Lin, Chia-Po Lin, Ming-Jui Wang, Sheng-Ming Huang, Jen-Kuei Lu
  • Patent number: 11181769
    Abstract: A polarizer substrate includes a substrate, an organic planarization layer, an inorganic buffer layer, and a plurality of strip-shaped polarizer structures. The organic planarization layer is located on the substrate. The inorganic buffer layer is located on the organic planarization layer. The inorganic buffer layer has a plurality of trenches located on a first surface. The trenches do not penetrate through the inorganic buffer layer. The strip-shaped polarizer structures are located on the first surface of the inorganic buffer layer. Each of the trenches is located between two adjacent polarizer structures. A display panel is also provided.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: November 23, 2021
    Assignee: Au Optronics Corporation
    Inventors: Tsai-Sheng Lo, Chih-Chiang Chen, Ming-Jui Wang, Sheng-Kai Lin, Sheng-Ming Huang, Chia-Hsin Chung, Hui-Ku Chang, Wei-Chi Wang, Jen-Kuei Lu
  • Publication number: 20210255379
    Abstract: A polarizer substrate includes a substrate, a reflective layer, and a metal pattern layer. The reflective layer is located on the substrate and has a transmission area and a reflective area. The metal pattern layer is located on the reflective layer and the substrate. The metal pattern layer includes a polarizer structure and a microstructure. The polarizer structure includes a plurality of grid lines overlapping the transmission area. A thickness of each of the grid lines is 200 nm to 500 nm, a width of each of the grid lines is 30 nm to 70 nm, and a distance between each adjacent two of the grid lines is 30 nm to 70 nm. The microstructure overlaps the reflective area, and a thickness of the microstructure is 20 nm to 500 nm.
    Type: Application
    Filed: July 20, 2020
    Publication date: August 19, 2021
    Applicant: Au Optronics Corporation
    Inventors: Sheng-Kai Lin, Chia-Hsin Chung, Tsai-Sheng Lo, Sheng-Ming Huang, Ming-Jui Wang, Chih-Chiang Chen, Hui-Ku Chang, Cheng-Chan Wang, Chia-Po Lin, Jen-Kuei Lu
  • Publication number: 20210248341
    Abstract: A photosensitive device includes a display panel, a photosensitive element substrate, and a first quarter wave plate. The photosensitive element substrate is located on the back of the display panel. The photosensitive element substrate includes a first substrate, a plurality of first light emitting diodes, a plurality of photosensitive elements, and a first polarizer structure. The first light emitting diodes and the photosensitive elements are located on the first substrate. The first polarizer structure is located on the first light emitting diodes and the photosensitive elements. The first quarter wave plate is located between the first polarizer structure and the display panel.
    Type: Application
    Filed: July 21, 2020
    Publication date: August 12, 2021
    Applicant: Au Optronics Corporation
    Inventors: Chia-Po Lin, Tsai-Sheng Lo, Chih-Chiang Chen, Sheng-Ming Huang, Sheng-Kai Lin, Ming-Jui Wang, Chia-Hsin Chung, Hui-Ku Chang, Cheng-Chan Wang, Jen-Kuei Lu
  • Publication number: 20210247652
    Abstract: An active device substrate including a substrate, first metal grid wires, a first transparent conductive layer, a gate insulating layer, a semiconductor layer, a source, and a drain is provided. The first metal grid wires are located on the substrate. The first transparent conductive layer includes a scan line and a gate connected to the scan line. The scan line and/or the gate is directly connected to at least a part of the first metal grid wires. The gate insulating layer is located on the first transparent conductive layer. The semiconductor layer is located on the gate insulating layer and overlapped with the gate. The source and the drain are electrically connected to the semiconductor layer.
    Type: Application
    Filed: July 24, 2020
    Publication date: August 12, 2021
    Applicant: Au Optronics Corporation
    Inventors: Cheng-Chan Wang, Tsai-Sheng Lo, Chia-Hsin Chung, Chih-Chiang Chen, Hui-Ku Chang, Sheng-Kai Lin, Chia-Po Lin, Ming-Jui Wang, Sheng-Ming Huang, Jen-Kuei Lu
  • Patent number: 11054740
    Abstract: An imprint mold and a method for manufacturing the same are provided. The imprint mold includes a plurality of substantially identical or different mold patterns, wherein there isn't any height difference between the mold patterns.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: July 6, 2021
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Sheng-Ming Huang, Sheng-Kai Lin, Chih-Chiang Chen, Hui-Ku Chang, Chia-Hsin Chung, Wei-Chi Wang, Ming-Jui Wang, Jen-Kuei Lu, Tsai-Sheng Lo, Huang-Kai Shen
  • Patent number: 10802189
    Abstract: A wire grid polarizer and a display panel using the same are provided. The wire grid polarizer includes a substrate, a plurality of wire grids, a plurality of patterned light absorbing layers, and a surface covering layer. The plurality of wire grids are disposed on the substrate, wherein there are a plurality of gaps between every two wire grids. The plurality of patterned light absorbing layers are disposed corresponding to and overlapping the wire grids respectively, wherein every two of the patterned light absorbing layers have one of the gaps. The surface covering layer is disposed on the patterned light absorbing layers and directly contacts the patterned light absorbing layers.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: October 13, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Huang-Kai Shen, Sheng-Ming Huang, Jen-Kuei Lu, Chih-Chiang Chen, Hui-Ku Chang, Tsai-Sheng Lo, Chia-Hsin Chung, Wei-Chi Wang, Sheng-Kai Lin, Ming-Jui Wang
  • Publication number: 20200133061
    Abstract: A polarizer substrate includes a substrate, an organic planarization layer, an inorganic buffer layer, and a plurality of strip-shaped polarizer structures. The organic planarization layer is located on the substrate. The inorganic buffer layer is located on the organic planarization layer. The inorganic buffer layer has a plurality of trenches located on a first surface. The trenches do not penetrate through the inorganic buffer layer. The strip-shaped polarizer structures are located on the first surface of the inorganic buffer layer. Each of the trenches is located between two adjacent polarizer structures. A display panel is also provided.
    Type: Application
    Filed: May 9, 2019
    Publication date: April 30, 2020
    Applicant: Au Optronics Corporation
    Inventors: Tsai-Sheng Lo, Chih-Chiang Chen, Ming-Jui Wang, Sheng-Kai Lin, Sheng-Ming Huang, Chia-Hsin Chung, Hui-Ku Chang, Wei-Chi Wang, Jen-Kuei Lu
  • Publication number: 20200126114
    Abstract: A blockchain-based advertisement delivering and evaluation method to be applied to a blockchain-based delivering platform providing a user interface to an audience to allow the audience joining the blockchain-based delivering platform is provided and includes the steps of: receiving an advertisement delivering request output from the user interface; generating a smart contract according to the advertisement delivering request; delivering an advertisement to more than one advertising platforms according to the advertisement delivering request while the smart contract is authenticated and executed; and collecting a delivering result and forming a transaction block to be added to the blockchain of the blockchain-based delivering platform.
    Type: Application
    Filed: October 17, 2018
    Publication date: April 23, 2020
    Inventors: Ku-Chang Kuo, Che-Ming Hsu, Yi-Han Chen, Ku-Lan Kan
  • Publication number: 20200103572
    Abstract: A polarizer substrate and manufacturing method thereof are provided. The polarizer substrate includes a substrate, a plurality of polarizer structures, a plurality of barrier structures, and a passivation layer. The polarizer structures are disposed on the substrate. Each of the polarizer structures includes a wire-grid and a capping structure disposed on the wire-grid. The barrier structures are disposed on the capping structures and not contacting with the side walls of the wire-grids. A gap between two adjacent barrier structures is smaller than a gap between two adjacent wire-grids. The passivation layer is disposed on the barrier structures.
    Type: Application
    Filed: May 14, 2019
    Publication date: April 2, 2020
    Applicant: Au Optronics Corporation
    Inventors: Wei-Chi Wang, Chih-Chiang Chen, Tsai-Sheng Lo, Sheng-Kai Lin, Chia-Hsin Chung, Hui-Ku Chang, Ming-Jui Wang, Sheng-Ming Huang, Jen-Kuei Lu
  • Patent number: 10554801
    Abstract: A display device is provided, which includes a memory which stores a plurality of templates which are differently set according to kinds of messages, a detector which detects different pieces of status information, a display which displays a message transfer screen, a controller which automatically generates a message through combination of at least one of the plurality of templates and at least one of the different pieces of status information, which respectively correspond to a selected kind of message, when the kind of message to be transferred is selected on the message transfer screen, and a communicator which transfers the message to an external device. Accordingly, the display device can conveniently transfer the generated message.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-ku Chang, Sang-hyun Park, Sang-gon Song, Su-jin Yeon, Young-kyu Jin
  • Patent number: 10531248
    Abstract: An electronic device for forwarding a communication service is provided. The electronic device includes a communication module configured to receive a communication service request from an external electronic device; a display; and a processor configured to detect that the communication module receives the communication service request from the external electronic device, transmit a request signal of transmitting information of electronic devices registered in a vehicle electronic system to the vehicle electronic system, in response to receiving information of electronic devices, control the display to display a list of electronic devices registered in the vehicle electronic system, in response to receiving a user input for selecting one of the electronic devices registered in the vehicle electronic system, forward the received communication service request to the selected electronic device.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: January 7, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young Kyu Jin, Young Ho Rhee, Young Shil Jang, Il Ku Chang
  • Patent number: 10499207
    Abstract: A display device provided to a vehicle includes a communication unit which communicates with a mobile device, a control unit which acquires a keyword in a call conversation if the mobile device makes a call, and a display unit which displays additional information corresponding to the keyword. Accordingly, the display device can provide the user with services corresponding to keywords of the call conversation with convenience.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-ku Chang, Young-ho Rhee, Young-kyu Jin
  • Patent number: 10425784
    Abstract: A display device provided to a vehicle includes a communication unit which communicates with a mobile device, a control unit which acquires a keyword in a call conversation if the mobile device makes a call, and a display unit which displays additional information corresponding to the keyword. Accordingly, the display device can provide the user with services corresponding to keywords of the call conversation with convenience.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: September 24, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-ku Chang, Young-ho Rhee, Young-kyu Jin
  • Patent number: 10416848
    Abstract: A method for controlling a user terminal is provided. The user terminal controlling method includes, when an external apparatus providing a UI screen is connected, providing a touch mode where a touch manipulation to navigate menu items provided on the UI screen is input, and when a predetermined touch manipulation is input in the touch mode, transmitting information corresponding to the input touch manipulation to the external apparatus.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: September 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-kyu Jin, Young-ho Rhee, Young-shil Jang, Il-ku Chang
  • Patent number: 10295352
    Abstract: A service providing method of a user terminal device connected to a display apparatus mounted on a moving means includes displaying a stored contact list and guiding one or more routes which displays a route guide screen to selected address information by utilizing a display apparatus if the address information is selected from personal information recorded on the displayed contact list. Accordingly, various services can be provided based on the personal information.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: May 21, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ho Rhee, Eun-young Lim, Young-shil Jang, Il-ku Chang, Young-kyu Jin