Patents by Inventor Cheng-Chung Chiang

Cheng-Chung Chiang 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: 11851363
    Abstract: A method for manufacturing an ultra-thin glass substrate includes: providing a glass base material preset with n substrate areas and a skeleton area surrounding the substrate areas; at least forming an etching protection layer on an upper surface and a lower surface of each substrate area of the glass base material, respectively; at least etching the skeleton area of the glass base material to separate the substrate areas from the glass base material, and form a stress dissipation edge along an edge of each substrate area; and removing the etching protection layer to get independent glass substrates. A method for manufacturing a display panel is also disclosed. An aim is to prevent quality of the ultra-thin glass substrate from damage caused by scribing wheel cutting or laser cutting, therefore the quality of the ultra-thin glass substrate is improved.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: December 26, 2023
    Assignee: Flexi Glass Co., Ltd.
    Inventors: Hao-Yu Chou, Cheng-Chung Chiang, Tian-Ming Wu, Chun-Chieh Huang, Feng Chen
  • Publication number: 20230406757
    Abstract: A method for manufacturing ultra-thin glass substrates and a method for manufacturing a display panel are provided, including: providing a glass base material preset with n substrate areas and a skeleton area surrounding the substrate areas, wherein n is greater than or equal to 1; at least forming an etching protection layer, wherein, each etching protection layer includes a main area and at least one thinned area extending along a preset bending path; at least etching the skeleton area of the glass base material to separate the substrate areas from the glass base material, forming at least one bending stress dissipation groove, and forming a stress dissipation edge along an edge of each substrate area; removing the etching protection layer to get independent glass substrates having the bending stress dissipation groove. The method improves bending performance along the preset bending path.
    Type: Application
    Filed: April 12, 2021
    Publication date: December 21, 2023
    Inventors: Hao-Yu CHOU, Cheng-Chung CHIANG, Tian-Ming WU, Chun-Chieh HUANG, Feng CHEN
  • Publication number: 20230391661
    Abstract: A method for manufacturing ultra-thin glass substrates and a method for manufacturing a display panel are provided. The method for manufacturing ultra-thin glass substrates includes: providing a glass base material preset with n substrate areas and a skeleton area surrounding the substrate areas; at least forming an etching protection layer on each substrate area of the glass base material; immersing the glass base material in a reaction chamber having etching medium; after the edge of each substrate area is etched to form the stress dissipation edge and the substrate areas are separated from the glass base material, the substrate areas falling down by gravity and falling into the basket; pulling the basket out of the reaction chamber to get the substrate areas separated from the glass base material; removing the etching protection layer to get independent glass substrates.
    Type: Application
    Filed: November 18, 2020
    Publication date: December 7, 2023
    Inventors: Hao-Yu CHOU, Cheng-Chung CHIANG, Tian-Ming WU, Chun-Chieh HUANG, Feng CHEN
  • Publication number: 20230263036
    Abstract: The present invention relates to the field of screen display technology, and discloses an automotive organic light-emitting diode (OLED) display screen, including a foldable OLED panel. The foldable OLED panel is of a rectangular structure and includes a display panel end and a folding region. The folding region is folded outwards to form a folded panel end. The foldable OLED panel is provided with at least one folded panel end. A back of the display panel end is bonded and fixed to the folded panel end. A circular polarizer is attached to a surface of the display panel end via an optical adhesive. A protective cover plate is attached to a surface of the circular polarizer via an optical adhesive.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 17, 2023
    Applicant: AENEQ DISPLAY CO., LTD.
    Inventors: Cheng-chung Chiang, Hao-yu Chou, Yeaw Sing Lai, Yongfeng Shi, Chien-chih Chiang
  • Patent number: 11482469
    Abstract: A transistor heat dissipation module is adapted for at least one transistor. The transistor heat dissipation module includes a heat dissipation member and an elastic member. The heat dissipation member includes a first wall and a second wall opposite to each other and a first connecting member connected to the first wall and the second wall. An accommodating space is formed between the first wall and the second wall. The transistor is disposed in the accommodating space. The elastic member is disposed in the accommodating space and is located between the at least one transistor and the first wall to press the at least one transistor against the second wall. An assembly method of a transistor heat dissipation module is further provided.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: October 25, 2022
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventors: Cheng-Chung Chiang, Yu-Po Chen, Ping-Ho Chu, Chih-Chun Yu
  • Publication number: 20220127186
    Abstract: A method for manufacturing an ultra-thin glass substrate includes: providing a glass base material preset with n substrate areas and a skeleton area surrounding the substrate areas; at least forming an etching protection layer on an upper surface and a lower surface of each substrate area of the glass base material, respectively; at least etching the skeleton area of the glass base material to separate the substrate areas from the glass base material, and form a stress dissipation edge along an edge of each substrate area; and removing the etching protection layer to get independent glass substrates. A method for manufacturing a display panel is also disclosed. An aim is to prevent quality of the ultra-thin glass substrate from damage caused by scribing wheel cutting or laser cutting, therefore the quality of the ultra-thin glass substrate is improved.
    Type: Application
    Filed: March 31, 2021
    Publication date: April 28, 2022
    Inventors: Hao-Yu CHOU, Cheng-Chung CHIANG, Tian-Ming WU, Chun-Chieh HUANG, Feng CHEN
  • Publication number: 20210272876
    Abstract: A transistor heat dissipation module is adapted for at least one transistor. The transistor heat dissipation module includes a heat dissipation member and an elastic member. The heat dissipation member includes a first wall and a second wall opposite to each other and a first connecting member connected to the first wall and the second wall. An accommodating space is formed between the first wall and the second wall. The transistor is disposed in the accommodating space. The elastic member is disposed in the accommodating space and is located between the at least one transistor and the first wall to press the at least one transistor against the second wall. An assembly method of a transistor heat dissipation module is further provided.
    Type: Application
    Filed: April 20, 2020
    Publication date: September 2, 2021
    Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology Corporation
    Inventors: Cheng-Chung Chiang, Yu-Po Chen, Ping-Ho Chu, Chih-Chun Yu
  • Patent number: 10678363
    Abstract: A pressure sensor and a display device are described. The pressure sensor includes a plurality of pressure units. Each of the pressure units includes four resistors having substantially the same resistance value. The four resistors form a Wheatstone bridge. Two resistors of the four resistors form a first resistor group. The other two resistors of the four resistors form a second resistor group. Orthogonal projections of electrodes of the two resistors of each of the resistor groups at least partially overlap in a direction perpendicular to a plane on which the pressure units are located. Extension directions of electrode patterns of the two resistors of each of the resistor groups are different.
    Type: Grant
    Filed: January 21, 2018
    Date of Patent: June 9, 2020
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Ho-Hsun Chi, Cheng-Chung Chiang, Feng Chen
  • Patent number: 10553655
    Abstract: A force sensor device, which includes a force sensing layer, is provided, in which a heat treatment layer is disposed on one side of the force sensing layer, and a thermal conductivity of the heat treatment layer is greater than or equal to 200. An OLED display device includes an OLED layer and a CPU element, in which the force sensor device is disposed between the OLED layer and the CPU element. A heat treatment layer is disposed on at least one side of the force sensor device and the force sensing layer of the OLED display device. Heat distribution is relatively uniform through the heat treatment layer, so that a temperature gradient on the force sensing layer may be effectively decreased, the temperature noise in the press force detection may be decreased, and accuracy of pressure detection may be increased.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: February 4, 2020
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Cheng-Chung Chiang, Feng Chen, Wei Wei, Tsai-Kuei Wei, Ho-Hsun Chi
  • Patent number: 10466833
    Abstract: A touch control device is provided. A protective cover protects the touch control device and includes a top-surface to sustain a touch action performed by the user. A flat touch sensing layer includes many first direction-detection electrodes second direction-detection electrodes. The fast and second direction-detection electrodes are isolated by a transparent insulating material at the position where the first direction-detection electrodes cross the second direction-detection electrodes. The first and second direction-detection electrodes constitute a flat sensing pattern. A pressure-sensing layer is disposed between the protective cover and the flat touch sensing layer and includes at least one pressure-sensing unit constituting a first pattern. The overlap ratio between the projection of the first pattern onto the flat touch sensing layer and the flat sensing pattern is less than or equal to about 5% of the flat sensing pattern.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: November 5, 2019
    Assignee: TPK Touch Solutions(Xiamen) Inc.
    Inventors: Cheng-Chung Chiang, Ho-Hsun Chi, Yuh-Wen Lee
  • Patent number: 10452187
    Abstract: A pressure sensing module and a pressure sensing touch control system are provided. The pressure sensing module includes a sensing layer formed on a surface of a substrate. The sensing layer includes at least one pressure sensing unit including four resistors with the same resistance values. The four resistors form a Wheatstone bridge. Pattern shapes of two of the four resistors have the same extending directions, and the two of the four resistors are not disposed adjacent to each other. The pressure sensing touch control system includes a touch control sensing unit. The touch control sensing unit is disposed between the four resistors to achieve pressure sensing and position sensing of pressing action. In the present disclosure, a bridge circuit is disposed on a single surface to prevent the sensing for pressing with a finger from being affected by temperature and other noise.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: October 22, 2019
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Cheng-Chung Chiang, Feng Chen, Ho-Hsun Chi, Chih-Cheng Chuang, Sun-Po Lin, Wei Wei
  • Patent number: 10394396
    Abstract: A multi-force touch module includes first sensing electrodes disposed along X coordinate and second sensing electrodes disposed along Y coordinate. A multi-force touch sensing method for the multi-force touch module includes the following steps: detecting press position information, determining whether press positions are located at a same position on X axis, and detecting resistance values of the press positions on X axis or Y axis according to a result thus determined; and determining magnitudes of pressing forces at the press positions according to magnitudes of the resistance values.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: August 27, 2019
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Cheng-Chung Chiang, Feng Chen, Ho-Hsun Chi, Yuh-Wen Lee
  • Patent number: 10268301
    Abstract: A touch panel includes a substrate, a first touch sensor electrode, a first insulation structure, a second touch sensor electrode, and a first pressure sensor electrode. The first touch sensor electrode is disposed on the substrate and extends along a first direction. The first insulation structure is dispose on the substrate and covers a part of the first touch sensor electrode. The second touch sensor electrode is disposed on the substrate and extends along a second direction. The second touch sensor electrode crosses over the first insulation structure and electrically isolated from the first touch-sensitive electrode. The first pressure sensor electrode is disposed on the substrate and extends along a third direction. The first pressure sensor electrode crosses over the first insulation structure and is staggered with at least one of the first touch. sensor electrode and the second touch sensor electrode.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: April 23, 2019
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Ho-Hsun Chi, Cheng-Chung Chiang
  • Patent number: 10222922
    Abstract: A touch device includes a cover plate, a carrying structure, a first sensor layer, a dielectric layer and a second sensor layer. The carrying structure is disposed on the cover plate and includes a film layer and a buffer layer stacked on each other. The film is located between the cover plate and the buffer layer. The first sensor layer is at least disposed on the carrying structure. The first sensor layer and the cover plate are respectively located at two opposite sides of the carrying structure. The dielectric layer is disposed on the first sensor layer. The dielectric layer and the carrying structure are respectively located at two opposite sides of the first sensor layer. The second sensor layer is at least disposed on the dielectric layer. The second sensor layer and the first sensor layer are respectively located at two opposite sides of the dielectric layer.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: March 5, 2019
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Ching-Shan Lin, Cheng-Chung Chiang, Chan-Hao Tseng
  • Patent number: 10146391
    Abstract: A transparent conductive oxide film for sensing deformation has a length, and generates a deformation amount when an external force is applied thereto, so as to change a resistance value of the transparent conductive oxide film. A ratio of the deformation amount to the length ranges from about 5×10?5 to about 3.5×10?4, and a rate of change of the resistance value ranges from about 0.01% to about 3%.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: December 4, 2018
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Cheng-Chung Chiang, Feng Chen, Ho-Hsun Chi, Yuh-Wen Lee
  • Patent number: 10133404
    Abstract: The disclosure provides a pressure sensing signal processing method and system thereof. The pressure sensing signal processing method includes the below steps: acquiring the resistance; first-order differentiation on the recorded resistance-time curve and acquiring the corresponding slope value; matching the slope value with at least one predetermined database to acquire a pressing force gradient corresponding to the slope value; calculating and acquiring a pressing force based on the pressing force gradient. The system includes resistance detection module, differentiation processing module, comparison reference module and calculation module.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: November 20, 2018
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Cheng-Chung Chiang, Feng Chen, Ho-Hsun Chi, Yuhwen Lee
  • Patent number: 10120468
    Abstract: The disclosure provides a touch device, including a protection cover, a pressure-sensing layer and a flat touch-sensing electrode layer. The protection cover is used as an outer protection shield, and an upper surface of the protection cover is provided to users for pressing action. The pressure-sensing layer is disposed under the protection cover to detect touch strength. The flat touch-sensing electrode layer is disposed between the pressure-sensing layer and the protection cover to detect the position of the user's touch.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: November 6, 2018
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Wenlong Chen, Cheng-Chung Chiang, Yau-Chen Jiang, Yanjun Xie, Bin Lai, Ching-Shan Lin
  • Publication number: 20180307351
    Abstract: A touch device includes a cover plate, a carrying structure, a first sensor layer, a dielectric layer and a second sensor layer. The carrying structure is disposed on the cover plate and includes a film layer and a buffer layer stacked on each other. The film is located between the cover plate and the buffer layer. The first sensor layer is at least disposed on the carrying structure. The first sensor layer and the cover plate are respectively located at two opposite sides of the carrying structure. The dielectric layer is disposed on the first sensor layer. The dielectric layer and the carrying structure are respectively located at two opposite sides of the first sensor layer. The second sensor layer is at least disposed on the dielectric layer. The second sensor layer and the first sensor layer are respectively located at two opposite sides of the dielectric layer.
    Type: Application
    Filed: June 27, 2018
    Publication date: October 25, 2018
    Inventors: Ching-Shan Lin, Cheng-Chung Chiang, Chan-Hao Tseng
  • Patent number: 10037113
    Abstract: A touch device includes a cover plate, a carrying structure, a first sensor layer, a dielectric layer and a second sensor layer. The carrying structure is disposed on the cover plate and includes a film layer and a buffer layer stacked on each other. The film is located between the cover plate and the buffer layer. The first sensor layer is at least disposed on the carrying structure. The first sensor layer and the cover plate are respectively located at two opposite sides of the carrying structure. The dielectric layer is disposed on the first sensor layer. The dielectric layer and the carrying structure are respectively located at two opposite sides of the first sensor layer. The second sensor layer is at least disposed on the dielectric layer. The second sensor layer and the first sensor layer are respectively located at two opposite sides of the dielectric layer.
    Type: Grant
    Filed: October 11, 2015
    Date of Patent: July 31, 2018
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Ching-Shan Lin, Cheng-Chung Chiang, Chan-Hao Tseng
  • Publication number: 20180210601
    Abstract: A pressure sensor and a display device are described. The pressure sensor includes a plurality of pressure units. Each of the pressure units includes four resistors having substantially the same resistance value. The four resistors form a Wheatstone bridge. Two resistors of the four resistors form a first resistor group. The other two resistors of the four resistors form a second resistor group. Orthogonal projections of electrodes of the two resistors of each of the resistor groups at least partially overlap in a direction perpendicular to a plane on which the pressure units are located. Extension directions of electrode patterns of the two resistors of each of the resistor groups are different.
    Type: Application
    Filed: January 21, 2018
    Publication date: July 26, 2018
    Inventors: Ho-Hsun Chi, Cheng-Chung Chiang, Feng Chen