Patents by Inventor Cheng-Lung Chang

Cheng-Lung 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: 20240113071
    Abstract: An integrated circuit package including electrically floating metal lines and a method of forming are provided. The integrated circuit package may include integrated circuit dies, an encapsulant around the integrated circuit dies, a redistribution structure on the encapsulant, a first electrically floating metal line disposed on the redistribution structure, a first electrical component connected to the redistribution structure, and an underfill between the first electrical component and the redistribution structure. A first opening in the underfill may expose a top surface of the first electrically floating metal line.
    Type: Application
    Filed: January 5, 2023
    Publication date: April 4, 2024
    Inventors: Chung-Shi Liu, Mao-Yen Chang, Yu-Chia Lai, Kuo-Lung Pan, Hao-Yi Tsai, Ching-Hua Hsieh, Hsiu-Jen Lin, Po-Yuan Teng, Cheng-Chieh Wu, Jen-Chun Liao
  • Patent number: 11942451
    Abstract: A semiconductor structure includes a functional die, a dummy die, a redistribution structure, a seal ring and an alignment mark. The dummy die is electrically isolated from the functional die. The redistribution structure is disposed over and electrically connected to the functional die. The seal ring is disposed over the dummy die. The alignment mark is between the seal ring and the redistribution structure, wherein the alignment mark is electrically isolated from the dummy die, the redistribution structure and the seal ring. The insulating layer encapsulates the functional die and the dummy die.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Mao-Yen Chang, Yu-Chia Lai, Cheng-Shiuan Wong, Ting Hao Kuo, Ching-Hua Hsieh, Hao-Yi Tsai, Kuo-Lung Pan, Hsiu-Jen Lin
  • Publication number: 20240072299
    Abstract: A method of making solid oxidesolid oxide electrolyte membrane comprises steps (S1)-(S5). Step (S1), mixing a high molecular polymer and a first solvent to form a first mixed slurry; and homogenizing the first mixed slurry, to obtain a reagent A. Step (S2), mixing an oxide powder, a dispersant and a second solvent to form a second mixed slurry, treating the second mixed slurry, to obtain a reagent B. Step (S3), adding a protective agent into the reagent B to form a third mixed slurry, and homogenizing the third mixed slurry to obtain a reagent C. Step (S4), mixing the reagent A and the reagent C to form a fourth mixed slurry, and treating the fourth mixed slurry a fifth mixed slurry; and homogenizating the fifth mixed slurry to form a solid electrolyte slurry. And step (S5), producing the solid oxidesolid oxide electrolyte membrane by a coating process.
    Type: Application
    Filed: April 12, 2023
    Publication date: February 29, 2024
    Inventors: HONG-ZHENG LAI, JING-KAI KAO, CHENG-TING LIN, TSENG-LUNG CHANG
  • Patent number: 11911663
    Abstract: A training device and a training method for reducing hypertonic are disclosed. The training device includes a base, a driving circuit, two pedals, a control circuit, and a switch circuit. The driving circuit is fixed on the base. Each of the two pedals is coupled to the base. The driving circuit drives each of the two pedals to swing repeatedly between a first position and a second position relative to the base. When the control circuit executes a training program, the control circuit actuates the driving circuit.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: February 27, 2024
    Assignee: CHANG GUNG UNIVERSITY
    Inventors: Ya-Ju Chang, Hsiao-Lung Chan, Jiunn-Woei Liaw, Cheng-Chung Kuo
  • Patent number: 11644036
    Abstract: An assembly structure of a multi-stage impeller and wheel housing for use in a submersible pump that includes a connecting seat having a drainage channel, shaft, intermediate unit which has a wheel housing, inner guide cover, and impeller. The wheel housing has a spacer, with an upper ring housing and lower ring canopy extending upward and downward, respectively, along the perimeter of the spacer. The intermediate unit has the upper ring housing connected to the canopy of the connecting seat by a swivel snap structure. A bottom unit has a bottom impeller and bottom wheel housing, which has a water suction port, a bottom plate and a bottom ring housing that extends upward along the perimeter of the bottom plate. A bottom ring canopy of an intermediate unit is connected by a rotating snap structure, and the bottom ring housing is pressed by a sealing ring.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: May 9, 2023
    Assignee: CHANG INDUSTRY CO., LTD.
    Inventors: Sheng-Fu Chang, Che-Wei Chang, Cheng-Lung Chang
  • Publication number: 20230018516
    Abstract: An assembly structure of a multi-stage impeller and wheel housing for use in a submersible pump that includes a connecting seat having a drainage channel, shaft, intermediate unit which has a wheel housing, inner guide cover, and impeller. The wheel housing has a central partition plate, with an upper ring housing and lower ring canopy extending upward and downward, respectively, along the perimeter of the central partition plate. The intermediate unit has the upper ring housing connected to the canopy of the connecting seat by a swivel snap structure. A bottom unit has a bottom impeller and bottom wheel housing, which has a water suction port, a bottom plate and a bottom ring housing that extends upward along the perimeter of the bottom plate. A bottom ring canopy of an intermediate unit is connected by a rotating snap structure, and the bottom ring housing is pressed by a sealing ring.
    Type: Application
    Filed: August 30, 2021
    Publication date: January 19, 2023
    Inventors: SHENG-FU CHANG, CHE-WEI CHANG, CHENG-LUNG CHANG
  • Patent number: 10074946
    Abstract: A receptacle connector adapted to be fixed to a casing of an electronic device and electrically connected to a circuit board for enabling the receptacle connector to be adapted to connect with a plug connector is provided. The receptacle connector includes an insulating body and a plurality of conductive terminals. The insulating body has a tunnel, and the tunnel extends from the outer side of the insulating body to the inner side of the insulating body, wherein a side of the tunnel is exposed at a top portion of the insulating body, and the insulating body is adapted to be fixed to the casing to cover the side of the tunnel, so that the tunnel is adapted to form a plug hole with the casing. The conductive terminals are disposed through the insulating body. A receptacle connector and an electronic device are also provided.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: September 11, 2018
    Assignee: HTC Corporation
    Inventors: Ying-Yen Cheng, Wan-Hsieh Liu, I-Cheng Chuang, Hsin-Chih Liu, Chih-Wei Tu, Cheng-Lung Chang, Chien-Ping Chen
  • Publication number: 20140293555
    Abstract: A receptacle connector adapted to be fixed to a casing of an electronic device and electrically connected to a circuit board for enabling the receptacle connector to be adapted to connect with a plug connector is provided. The receptacle connector includes an insulating body and a plurality of conductive terminals. The insulating body has a tunnel, and the tunnel extends from the outer side of the insulating body to the inner side of the insulating body, wherein a side of the tunnel is exposed at a top portion of the insulating body, and the insulating body is adapted to be fixed to the casing to cover the side of the tunnel, so that the tunnel is adapted to form a plug hole with the casing. The conductive terminals are disposed through the insulating body. A receptacle connector and an electronic device are also provided.
    Type: Application
    Filed: April 2, 2013
    Publication date: October 2, 2014
    Inventors: Ying-Yen Cheng, Wan-Hsieh Liu, I-Cheng Chuang, Hsin-Chih Liu, Chih-Wei Tu, Cheng-Lung Chang, Chien-Ping Chen
  • Patent number: 8357466
    Abstract: A battery cover latching assembly includes a body member defining a guiding slot, a battery cover slidably mounted to the body member, and an elastic member. The battery cover includes a resisting block. The resisting block is slidably received in the guiding slot. The elastic member abuts against the resisting block.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: January 22, 2013
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8248763
    Abstract: A portable electronic device includes a main body and a stamp structure. The main body defines a through hole. The stamp structure includes a seat and a stamp. The seat includes a main plate and an end plate. The main plate defines a containing groove for receiving the stamp. The seat is detachably attached to the main body, and the end plate covers the through hole.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: August 21, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8202603
    Abstract: An elastic sheet structure including a fixing section, a body section perpendicularly connected to the fixing section, an elastic section, and two support sections is provided. The elastic section perpendicularly connects to the body section so that a portion of the elastic section is substantially parallel to the fixing section. Two support sections perpendicularly connect to two opposite sides of the body section. The support sections are supported by the fixing section, and are higher than the body section concurrently with respect to the fixing section. The elastic section is located between and movable with respect to the two support sections, and a top of the elastic section is higher than a top of each support section concurrently with respect to the fixing section.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: June 19, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8184443
    Abstract: A retention assembly for a SIM card incorporated in a portable electronic device having a main body, includes a receiving portion, a limiting sheet and a resilient pressing member. The receiving portion is defined in the main body to receive the SIM card. The receiving portion defines an entrance end. The limiting sheet extends from a side of the receiving portion to an opposite side of the receiving portion to resist the SIM card. The resilient pressing member includes a fixing portion fixed to the main body, a limiting portion resisting an end of the SIM card adjacent to the entrance end of the receiving portion, and a resilient portion interconnecting with the fixing portion and the limiting portion to press against the SIM card.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: May 22, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8116833
    Abstract: A grounding apparatus (200) for a portable electronic device (100) includes a conductive member (20), at least one connecting member (30) and a grounded sliding mechanism (40). The connecting member is electronically connected to the conductive member. The sliding mechanism is electrically connected to the conductive member via the connecting member.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: February 14, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventors: Ching-Sen Tsai, Cheng-Lung Chang, Mei-Tsu Tsao
  • Patent number: 8111517
    Abstract: A heat sink assembly, a portable electronic device using the same and a wireless modem using the heat sink assembly are disclosed. The heat sink assembly assembled within the portable electronic for dissipating the heat source generated within the portable electronic device to the outside. The heat sink assembly includes a frame, a cover and an absorbing sheet. The frame includes a through opening formed and surrounded thereby. The cover foldably or bendably extends outwardly from one side of the frame and is configured to be alternatively accommodated within the opening of the frame for covering the opening or forming an angle relative to the frame. The absorbing sheet is fixedly covered on the other side of the frame opposite to the cover.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: February 7, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8107258
    Abstract: A storage card lock is used in a portable electronic device including a body, a battery, and a storage card. The body includes a battery bay and a storage card bay disposed thereon adjacent to each other. The storage card lock is detachably mounted on the body and includes an elastic lock piece. The elastic lock piece is partially accommodated within the battery bay and impelled by the battery to fix the storage card within the storage card bay.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: January 31, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Publication number: 20120015140
    Abstract: An elastic sheet structure including a fixing section, a body section perpendicularly connected to the fixing section, an elastic section, and two support sections is provided. The elastic section perpendicularly connects to the body section so that a portion of the elastic section is substantially parallel to the fixing section. Two support sections perpendicularly connect to two opposite sides of the body section. The support sections are supported by the fixing section, and are higher than the body section concurrently with respect to the fixing section. The elastic section is located between and movable with respect to the two support sections, and a top of the elastic section is higher than a top of each support section concurrently with respect to the fixing section.
    Type: Application
    Filed: July 7, 2011
    Publication date: January 19, 2012
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: CHENG-LUNG CHANG
  • Patent number: 8099128
    Abstract: A portable electronic device includes a keypad, a memory system, and an audio effect system. The memory system includes a video game application and an audio file associated with the video game application. The audio file includes a collection of trigger signals and a collection of notations where each trigger signal is associated with a corresponding notation. The audio effect system includes an audio player, a signal generator, and a control module. The signal generator is configured for generating a trigger signal in response to operation of the keypad. The control module is configured for reading a notation from the audio file, which corresponds to the generated trigger signal and instructing the audio player to play a corresponding music sound associated with the read notation.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: January 17, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8077469
    Abstract: A chip card holder, for securing a chip card in an electronic device, includes a housing, an elastic member and a strip member. The housing defines a receiving chamber. The elastic member is secured in the receiving chamber and has an elastic foldable resisting section. The strip member connects with the resisting section and an end of the strip exposes from the receiving chamber. A chip card is assembled in the receiving chamber, the resisting section of the elastic member resists against the chip card, the resisting section is folded elastically by pulling the strip member and the chip card is withdrawn by the pushing of the resisting section.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: December 13, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8078240
    Abstract: A sliding-type portable electronic device for opening bottle covers of bottles is provided, including a housing member and a cover member. The housing member defines a first latching recess. The cover member is slidably attached to the housing member, and defines a second latching recess facing the first latching recess. The second latching and the first latching recess enclose an adjustable latching space configured for latching the bottle covers during opening of the bottle covers.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: December 13, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Cheng-Lung Chang
  • Patent number: 8047859
    Abstract: A USB Plug protective cover configured for detachably covering a USB plug connector of an electronic device includes a base cover and an elastic piece. The base cover includes a covering end, the covering end defines an accommodating cavity recessed therein configured for accommodating the USB Plug therein. The elastic piece is assembled to the base cover and accommodated within the accommodating cavity. The elastic piece detachably latches with the USB plug connector to prevent the USB protective cover from loosening or separating from the USB plug connector.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: November 1, 2011
    Assignee: Chi Mei Communications Systems, Inc.
    Inventor: Cheng-Lung Chang