Patents by Inventor Chieh Cheng

Chieh Cheng 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: 20230230740
    Abstract: An electronic lock capable of offering haptic feedback includes an input panel, a circuit board, at least one inductor member, at least one magnetic member, and at least one diaphragm that abuts against the circuit board. The at least one inductor member is electrically coupled to the circuit board, is connected to the at least one diaphragm, and is adjacent to the at least one magnetic member. When the input panel is pushed toward the circuit board, the circuit board and the at least one inductor member are conducted, and the circuit board alternately distributes electric currents ire different directions to the at least one inductor member such that the at least one magnetic member alternately, attracts and pushes the at least one inductor member, thereby urging the at least one diaphragm to vibrate upon movement of the at east one inductor member.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 20, 2023
    Inventors: Chun-Yi FANG, Pai-Hsiang CHUANG, Ding-Sian CAI, Jui-Chieh CHENG
  • Publication number: 20230223091
    Abstract: A memory sector with trimmed reference currents, including eight unit cells corresponding to an even word line and eight unit cells corresponding to an odd word line, and each unit cell has erased state and programmed state, wherein the logic state of unit cell corresponding to the odd word line is determined by a first reference current based on cell currents of the 8 unit cells corresponding to the even word line in programmed state and cell currents of the eight unit cells corresponding to the odd word line in erased state, and the logic state of unit cell corresponding to the even word line is determined by a second reference current based on cell currents of the eight unit cells corresponding to the even word line in erased state and cell currents of the 8 unit cells corresponding to the odd word line in programmed state.
    Type: Application
    Filed: February 17, 2022
    Publication date: July 13, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ming-Shan Ho, Ying-Ting Lin, Chung-Yi Luo, Kuo-Cheng Chou, Cheng-Hsiao Lai, Ming-Jen Chang, Yung-Tsai Hsu, Cheng-Chieh Cheng
  • Publication number: 20230221551
    Abstract: A light guide substrate, including a light coupling-in region with multiple first gratings, a light expansion region with multiple sub light expansion regions, and a light coupling-out region, is provided. Each sub light expansion region includes multiple second gratings. The sub light expansion regions include a first set of sub light expansion regions and a second set of sub light expansion regions. Each second grating in the first set of sub light expansion regions includes a first microstructure and a second microstructure. The light coupling-out region includes multiple third gratings. When an image light enters the light guide substrate from the light coupling-in region through the first gratings, the image light is first transmitted to the light expansion region in the light guide substrate, then transmitted to the light coupling-out region through the second gratings, and then emitted from the light coupling-out region through the third gratings.
    Type: Application
    Filed: February 8, 2022
    Publication date: July 13, 2023
    Applicant: ASUSTeK COMPUTER INC.
    Inventors: Wen-Chang Hung, Yu-Chieh Cheng
  • Patent number: 11699222
    Abstract: The disclosure provides an image processing device. An image processing device includes a neural network circuit, a gain control circuit, and an image merge circuit. The neural network circuit is configured to receive an input image, and perform an image processing operation on the input image according to fixed parameters to output a first intermediate image. The gain control circuit, coupled to the neural network circuit, is configured to receive the first intermediate image from the neural network circuit, and multiply the first intermediate image by at least one amplitude gain to output a second intermediate image. The image merge circuit, coupled to the gain control circuit, configured to receive the second intermediate image and the input image, and combine the second intermediate image and the input image to obtain an output image. In addition, a method for image enhancement is also provided.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: July 11, 2023
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chieh-Cheng Chen, Po-Wei Chen
  • Patent number: 11699871
    Abstract: A board-like connector, a dual-arm bridge of a board-like connector, and a wafer testing assembly are provided. The board-like connector includes a plurality of dual-arm bridges spaced apart from each other and an insulating layer. Each of the dual-arm bridges includes a carrier, a first cantilever, a second cantilever, a first abutting column, and a second abutting column, the latter two of which extend from the first and second cantilevers along two opposite directions. The first cantilever and the second cantilever extend from and are coplanar with the carrier. The insulating layer connects the carriers of the dual-arm bridges. The first abutting column and second abutting column of each of the dual-arm bridges respectively protrude from two opposite sides of the insulating layer, and are configured to abut against two boards, respectively.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: July 11, 2023
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Kai-Chieh Hsieh, Chao-Chiang Liu, Meng-Chieh Cheng, Wei-Jhih Su
  • Publication number: 20230178156
    Abstract: An operation method for a memory device is provided. The operation method includes: increasing a dummy word line voltage to a first dummy word line voltage during a pre-turn on period; increasing the dummy word line voltage from the first dummy word line voltage to a second dummy word line voltage during a read period; and lowering the dummy word line voltage after the read period is finished. Wherein the first dummy word line voltage is lower than the second dummy word line voltage.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 8, 2023
    Inventors: Chih-Chieh CHENG, Chun-Chang LU, Wen-Jer TSAI
  • Publication number: 20230154803
    Abstract: Some implementations described herein provide a method that includes forming a set of fins of a device, where the set of fins comprises an isolation fin disposed between a first fin and a second fin of the set of fins. The method also includes forming an isolation structure on at least one side of the isolation fin, with the isolation fin providing electrical isolation between the first fin and the second fin of the set of fins. Additionally, or alternatively, some implementations described herein provide a method that includes forming a funnel-shaped isolation structure between a first set of fins and a second set of fins. Additionally, or alternatively, some implementations described herein provide a method that includes forming, after forming a first gate structure and a second gate structure, an isolation structure between the first gate structure and the second gate structure.
    Type: Application
    Filed: March 10, 2022
    Publication date: May 18, 2023
    Inventors: Yi Chen HO, Yu-Chuan CHEN, Chieh CHENG, Chi-Hsun LIN, Zheng-Yang PAN, Shahaji B. MORE
  • Publication number: 20230155238
    Abstract: A battery accommodating member includes a housing, a battery placement portion, an electrical connecting portion, at least one first engaging structure and at least one second engaging structure. The housing has a first surface, a second surface and a plurality of side surfaces. The first surface is opposite to the second surface, and the side surfaces are connected between the first and second surfaces. The battery placement portion is formed in the housing and penetrates from the first surface to the second surface, and a battery is partially accommodated therein. The electrical connecting portion is formed in the first surface, and a conductive sheet is disposed at the electrical connection portion to electrically connect the battery. The first engaging structure is disposed on one side surface, and the second engaging structure is disposed on another side surface. A battery module and a battery fixing structure are also provided.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 18, 2023
    Applicant: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Ting Hsuan Lin, Jen Chieh Cheng, Feng-Ping Chang
  • Patent number: 11630182
    Abstract: A system and method for a second wireless device to establish distance and location of a first device which is transmitting radio waves includes the first and second devices. Each second device includes two or more (N in number) receiving antennas. An angle between the directions in which adjacent receiving antennas receive the strongest signals is 360°/N. The second device obtains a received signal strength indicator (RSSI) of each receiving antenna receiving signals from the first device, and from the two strongest receiving antennas, calculation of an angle between the first device and one of the adjacent receiving antennas can be performed. The distance between the first device and the second device can also be calculated.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: April 18, 2023
    Assignee: Nanning FuLian FuGui Precision Industrial Co., Ltd.
    Inventors: Wen-Jen Lin, Ming-Chieh Cheng
  • Patent number: 11616301
    Abstract: An antenna structure is provided, including a substrate, an impedance control line, a first impedance control area, and a metal element. The impedance control line is located on the first side of the substrate. The first impedance control area is arranged on the substrate, located on one side of the impedance control line, close to the second end of the impedance control line, and separated from the impedance control line by a first hollow part. The metal element is arranged on the substrate and connected to the first end and the second end of the impedance control line, and the first impedance control area. As such, the present invention controls the impedance in the high frequency range between 5.85 and 7.25 GHz through the impedance control line and the first impedance control area, provides a complete current flow area, and improves the impedance control effect, efficiency, and gain.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: March 28, 2023
    Assignee: ARCADYAN TECHNOLOGY CORPORATION
    Inventors: Shih-Chieh Cheng, Shin-Lung Kuo
  • Publication number: 20230089444
    Abstract: An external dermal composition and a method for beautifying skin are provided. The external dermal composition mainly includes a double nitrosyl-iron complex and a pharmaceutically acceptable additive. The external dermal composition delivers nitric oxide to a user's skin to beautify the skin when applied to the user's skin.
    Type: Application
    Filed: January 10, 2022
    Publication date: March 23, 2023
    Inventors: Tsai-Te LU, Chieh-Cheng HUANG, Han CHIU, Wei-Ping WANG, Ruei-Ting WANG, Yi-Cian LAI
  • Publication number: 20230073471
    Abstract: An organic optoelectronic device comprises an active layer comprising a conjugated polymer material which comprises a structure of Formula I: wherein , and X1 and X2 are independently selected from the groups consisting of: N, CH and -CR1. A2 and A3 are the same or different electron-withdrawing groups, and A2 and A3 are not simultaneously the same as A1. D1, D2 and D3 are electron-donating group. sp1 to sp6 are independently selected from aromatic ring and heterocyclic ring. a, b and c are real numbers, and 0 < a ?1, 0 ?b ?1, 0 ?c ?1, a+b+c=1. d, e, f, g, h and i are independently selected from 0, 1 and 2. The organic optoelectronic device of the present invention has adjustable energy gap, and can be a high-performance OPV or a high-detectivity OPD.
    Type: Application
    Filed: July 21, 2022
    Publication date: March 9, 2023
    Inventors: CHUANG-YI LIAO, LIN-CHIEH CHENG, WEI-LONG Li, YU-TANG HSIAO
  • Patent number: 11600339
    Abstract: An operation method for a memory device is provided. The operation method includes: increasing a dummy word line voltage to a first dummy word line voltage during a pre-tum on period; increasing the dummy word line voltage from the first dummy word line voltage to a second dummy word line voltage during a read period; and lowering the dummy word line voltage after the read period is finished. Wherein the first dummy word line voltage is lower than the second dummy word line voltage.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: March 7, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chih-Chieh Cheng, Chun-Chang Lu, Wen-Jer Tsai
  • Publication number: 20230058284
    Abstract: This disclosure is directed to an electronic device having a casing, a circular frame, and a display. A panel is arranged on one side of the casing, a circular opening is defined on the panel, and a first fixing structure is arranged on an inner edge of the circular opening. The circular frame is rotatably arranged in the circular opening to close the circular opening, a second fixing structure is arranged on an outer edge of the circular frame, and the second fixing structure is limited by the first fixing structure. The display is embedded in the circular frame and exposed on the panel, so that the display is rotatable according to various placing positions of the casing.
    Type: Application
    Filed: January 3, 2022
    Publication date: February 23, 2023
    Inventors: Chia-Yuan LIN, Chih-Yuan HSU, Chung-Chieh CHENG
  • Publication number: 20230041833
    Abstract: The present invention provides a polybenzoxazole precursor, which comprises a structure of formula (I): wherein the definitions of Y, Z, R1, i, j, and V are provided herein. By means of the polybenzoxazole precursor, the resin composition of the present invention is able to form a film with high frequency characteristics and high contrast.
    Type: Application
    Filed: July 5, 2022
    Publication date: February 9, 2023
    Applicant: MICROCOSM TECHNOLOGY CO., LTD.
    Inventors: Steve Lien-chung Hsu, Yu-Ching Lin, Yu-Chiao Shih, Hou-Chieh Cheng
  • Patent number: 11575351
    Abstract: An improved architecture for a radio frequency (RF) power amplifier, impedance matching network, and selector switch. One aspect of embodiments of the invention is splitting the functionality of a final stage impedance matching network (IMN) into two parts, comprising a base set of off-chip IMN components and an on-chip IMN tuning component. The on-chip IMN tuning component may be a digitally tunable capacitor (DTC). In one embodiment, an integrated circuit having a power amplifier, an on-chip IMN tuner, and a selector switch is configured to be coupled to an off-chip set of IMN components. In another embodiment, an integrated circuit having an on-chip IMN tuner and a selector switch is configured to be coupled through an off-chip set of IMN components to a separate integrated circuit having an RF power amplifier.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: February 7, 2023
    Assignee: pSemi Corporation
    Inventors: Tero Tapio Ranta, Chih-Chieh Cheng, Kevin Roberts
  • Publication number: 20230033013
    Abstract: A probe card device and a transmission structure are provided. The transmission structure includes a supporting layer, a plurality of metal conductors spaced apart from each other and slantingly inserted into the supporting layer, and an insulating resilient layer formed on the supporting layer. Each of the metal conductors includes a positioning segment held in the supporting layer, a connecting segment and an embedded segment respectively extending from two ends of the positioning segment, and an exposed segment extending from the embedded segment. Each of the embedded segments is embedded and fixed in the insulating resilient layer, and each of the exposed segments protrudes from the insulating resilient layer. When any one of the exposed segments is pressed by an external force, the insulating resilient layer is configured to absorb the external force through the corresponding embedded segment so as to have a deformation providing a stroke distance.
    Type: Application
    Filed: January 13, 2022
    Publication date: February 2, 2023
    Inventors: WEN-TSUNG LEE, Hsun-Tai Wei, Pang-Chi Huang, MENG-CHIEH CHENG
  • Publication number: 20230025592
    Abstract: A wheeled vehicle includes a vehicle body, a vibration absorbing element, an auxiliary arm, a wheel, and a driving member. The vehicle body includes a fixing plate. The housing connected to the fixing plate. The vibration absorbing element includes a first end and a second end. The first end is fixed to the housing. The auxiliary arm includes a connecting end and a free end. The connecting end is connected to the housing. The free end is configured to swing relative to the connecting end. The free end is fixed to the second end. The wheel includes an axle, and the axle is rotationally connected to the free end. The driving member is fixed to the housing and configured to drive the wheel.
    Type: Application
    Filed: October 3, 2022
    Publication date: January 26, 2023
    Inventors: Shih-Li Pan, Ssu-Chieh Kao, Jian-Rong Liao, Ching-Chih Tung, Chih-Ying Wu, Jen Chieh Cheng, Chih-Wei Liao
  • Patent number: 11561244
    Abstract: A board-like connector, a dual-ring bridge of a board-like connector, and a wafer testing assembly are provided. The board-like connector includes a plurality of dual-ring bridges spaced apart from each other and an insulating layer. Each of the dual-ring bridges includes two carrying rings, two cantilevers respectively extending from and being coplanar with the two carrying rings, two abutting columns respectively extending from the two cantilevers along two opposite directions, and a bridging segment that connects the two carrying rings. The insulating layer connects the two carrying rings of the dual-ring bridges, and the two abutting columns of the dual-ring bridges respectively protrude from two opposite sides of the insulating layer. The two abutting columns of each of the dual-ring bridges are configured to be respectively abutted against two boards.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: January 24, 2023
    Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
    Inventors: Kai-Chieh Hsieh, Chao-Chiang Liu, Meng-Chieh Cheng, Wei-Jhih Su
  • Publication number: 20230015372
    Abstract: A method includes forming a fin protruding from a substrate, forming a first dielectric feature adjacent to the fin over the substrate, forming a cladding layer over the fin and the first dielectric feature, and removing a portion of the cladding layer to form an opening. The opening exposes the first dielectric feature. The method further includes forming a second dielectric feature adjacent to the cladding layer, the second dielectric feature filling the opening, forming a dummy gate stack over the fin and the second dielectric feature, forming source/drain (S/D) features in the fin adjacent to the dummy gate stack, and replacing the dummy gate stack and the cladding layer with a metal gate stack. The second dielectric feature divides the metal gate stack.
    Type: Application
    Filed: May 4, 2022
    Publication date: January 19, 2023
    Inventors: Ming-Yuan Wu, Da-Wen Lin, Yi-Ting Fu, Hsu-Chieh Cheng, Min Jiao