Patents by Inventor Chun-Hsien Wu

Chun-Hsien Wu 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: 20210057320
    Abstract: A method of preparing a package structure is provided, which includes providing a carrier plate including a supporting layer, a first release layer, and a first metal layer; forming a first dielectric layer over the first metal layer, the first dielectric layer having a plurality of holes, each of the holes having an end portion substantially coplanar with each other at a same plane; forming a plurality of conductive protrusions filling the holes, each of the conductive protrusions having a first end and a second end opposite thereto; forming a circuit layer structure including at least one circuit layer and at least one second dielectric layer, the circuit layer being connected to the second end, the second dielectric layer being disposed over the circuit layer; removing the carrier plate; and removing a portion of the first dielectric layer to expose the conductive protrusions. A package structure is also provided.
    Type: Application
    Filed: November 21, 2019
    Publication date: February 25, 2021
    Inventors: Fu-Yang Chen, Chun-Hsien Chien, Cheng-Hui Wu, Wei-Ti Lin
  • Patent number: 10925138
    Abstract: A flicker-free linear LED drive circuit is disclosed. The flicker-free linear LED drive circuit converts the input voltage of the external power supply to form an output current to the LED. The flicker-free linear LED drive circuit includes a measuring module, a regulating module and a rectifier module. The flicker-free linear LED drive circuit is characterized in that the measuring module is configured to measure the phase angle of the input voltage after full-wave rectification; the regulating module is used to form the complex voltage signal according to the measurement signal in the voltage waveform of the regulating module for the half-wave period, the conduction angle range formed at the fixed power is used as the basis for electrical conduction in the half-wave period of the input voltage.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: February 16, 2021
    Assignee: UNITY OPTO TECHNOLOGY CO., LTD.
    Inventors: Chih-Hsien Wu, Kai-Cheng Chuang, Chun-Chieh Kuo, Yu-Hsien He
  • Patent number: 10894280
    Abstract: A straightening device including: a plurality of rolling members, defining a first channel which is configured for a tubular member to pass therethrough, an extending direction of the first channel being transverse to at least one extending direction of at least one pivot of at least one of the rolling members; at least three shells, each of the at least three shells including two arm portions which are transversely connected with each other, the plurality of rolling members being rotatably disposed between the arm portions, at least one side of at least one of the arm portions having a protruding wall, the protruding wall extending along the at least one extending direction of the at least one pivot and being at least partially overlapped with at least one of the plurality of rolling members as viewed in a radial direction of the at least one pivot.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: January 19, 2021
    Inventors: Jih-Cheng Yeh, Chun-Hsien Wu, Gang Chen
  • Publication number: 20210011360
    Abstract: Provided are a projector and a lens adjusting module. The projector includes a main body, a light source disposed on the main body and providing an illumination beam, a light valve disposed on the main body and converting the illumination beam into an image beam, a projection lens movably disposed on the main body in a moving direction and projecting the image beam, and the lens adjusting module. The lens adjusting module includes a driven member connected to the projection lens and having a limiting flange, a limiting structure connected to the main body, and a rotating member screwed to the driven member and rotating to drive the driven member and the projection lens to move in a moving direction. The limiting structure is adapted to stop the limiting flange to limit a movement range of the driven member in the moving direction.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 14, 2021
    Applicant: Coretronic Corporation
    Inventors: Chun-Hsien Wu, Kuang-Yao Liu
  • Publication number: 20210005515
    Abstract: A semiconductor component includes a substrate having an opening. The semiconductor component further includes a first dielectric liner in the opening, wherein the first dielectric liner having a thickness T1 at a first end of the opening, and a thickness T2 at a second end of the opening, and R1 is a ratio of T1 to T2. The semiconductor component further includes a second dielectric liner over the first dielectric liner, wherein the second dielectric liner having a thickness T3 at the first end of the opening, a thickness T4 at the second end of the opening, R2 is a ratio of T3 to T4, and R1 is greater than R2.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 7, 2021
    Inventors: Chen-Hua YU, Cheng-Hung CHANG, Ebin LIAO, Chia-Lin YU, Hsiang-Yi WANG, Chun Hua CHANG, Li-Hsien HUANG, Darryl KUO, Tsang-Jiuh WU, Wen-Chih CHIOU
  • Publication number: 20200390012
    Abstract: An information handling system printed circuit board includes solder pads that accept footprint compatible integrated circuits, such as charger integrated circuits that provide power with different choke circuit supporting components. Solder pads for supporting components include first and second conductive areas sized to accept a first supporting component, each of the first and second conductive areas including an intervening non-conductive area that manages positioning of a smaller second supporting component at solder reflow.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 10, 2020
    Applicant: Dell Products L.P.
    Inventors: Yu-Lin Tsai, Chia-Hsien Lu, Chun-Min He, RungLung Lin, Chin-Chung Wu
  • Publication number: 20200368910
    Abstract: A collaborative-robot control system is provided in the invention. The collaborative-robot control system includes a plurality of test machines, a plurality of collaborative robots, a first control system and a second control system. The plurality of test machines are configured in a plurality of paths. When the second control system assigns a first collaborative robot of the plurality of collaborative robots in a waiting area to a first test machine in a first path of the plurality of paths and the first collaborative robot is being blocked by a second collaborative robot of the plurality of collaborative robots in the first path, the second control system generates a push-forward command and transmits the push-forward command to the first control system. The first control system sends the push-forward command to the second collaborative robot to order the second collaborative robot to leave the first path first.
    Type: Application
    Filed: May 20, 2020
    Publication date: November 26, 2020
    Applicant: Winbond Electronics Corp.
    Inventors: Te-Wei CHU, Chen-Meng CHENG, Chun-Ming HUANG, Kuang-Tai CHEN, Yu-Jen CHANG, Tsung-Hsien WU
  • Publication number: 20200359471
    Abstract: A flicker-free linear LED drive circuit is disclosed. The flicker-free linear LED drive circuit converts the input voltage of the external power supply to form an output current to the LED. The flicker-free linear LED drive circuit includes a measuring module, a regulating module and a rectifier module. The flicker-free linear LED drive circuit is characterized in that the measuring module is configured to measure the phase angle of the input voltage after full-wave rectification; the regulating module is used to form the complex voltage signal according to the measurement signal in the voltage waveform of the regulating module for the half-wave period, the conduction angle range formed at the fixed power is used as the basis for electrical conduction in the half-wave period of the input voltage.
    Type: Application
    Filed: November 18, 2019
    Publication date: November 12, 2020
    Inventors: CHIH-HSIEN WU, KAI-CHENG CHUANG, CHUN-CHIEH KUO, YU-HSIEN HE
  • Patent number: 10832060
    Abstract: A resident activity recognition method is provided. The method comprises: receiving a plurality of first testing data from a plurality of sensors by a processor, wherein the first testing data includes a present weight set of sensors and present trigger statuses of sensors; determining an activity of a non-target resident at a present time by the processor according to a non-target resident model and the first testing data; reducing a part of the present weight set to generate an updated weight set and a second testing data including the updated weight set and the present trigger statuses by the processor according to the activity of the non-target resident at the present time, the first testing data and the non-target resident model; determining an activity of a target resident at the present time by the processor according to a target resident model and the second testing data.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: November 10, 2020
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Shyan Lee, Chun-Hsien Wu, Jui-Wen Chen, Jui-Hsing Huang, Mao-Jen Chung
  • Patent number: 10803654
    Abstract: The invention is related to a method of three-dimensional face reconstruction by inputting a single face image to reconstruct a three-dimensional face model, therefore, the human face image is seen at various angles of three-dimensional face through rotating the model images.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: October 13, 2020
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Bing-Fei Wu, Chun-Hsien Lin, Yi-Chiao Wu, Bing-Jhang Wu, Chih-Cheng Huang, Meng-Liang Chung
  • Publication number: 20200317479
    Abstract: A pressing device is provided, including: a main body, including a chamber; a pushing assembly, including a retractable mechanism movably inserted within the chamber, a first pushing board connected with the retractable mechanism and a restricting member embedded within the chamber and blocking the retractable mechanism from moving out of the chamber; a hydraulic mechanism, including a tube body which is connected with the main body and communicated with the chamber, a driving rod movably inserted within the tube body and a piston driven by the driving rod, the piston being configured to drive fluid to flow in or out of the chamber. Another pressing device is further provided, differing from the pressing device described above in that: the main body further including a channel, a wall of the chamber including at least one recession which is communicated with the channel.
    Type: Application
    Filed: January 13, 2020
    Publication date: October 8, 2020
    Inventors: CHUN-HSIEN WU, GANG CHEN
  • Publication number: 20200301083
    Abstract: The present invention is to provide an optical transceiver module comprising a housing, a substrate, an optical receiving device and a plurality of optical transmitting devices. The substrate is disposed in the housing. The optical receiving device is disposed on the substrate. The plurality of optical transmitting devices are connected to the substrate, and there is a tilt angle between the optical transmitting devices and the substrate.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 24, 2020
    Inventors: Chun-Yang CHANG, Yun-Cheng HUANG, Wen-Hsien LI, Cheng-Hung LU, Ming-Ju CHEN, Chang-Cherng WU
  • Patent number: 10779739
    Abstract: The present invention provides a contactless-type sport training monitor method, comprising: selecting at least an image database to recognize a plurality of expressions in the image database; making pre-processing for the plurality of expressions: using a convolutional neural network as a feature point extraction model; acquiring a human image; tracking a first target region and a second target region in the human image; making chrominance-based rPPG trace extraction; using the deep level model to compare the second target region image; and to calculate a post-exercise heart rate recovery achievement ratio, to judge the Rating of Perceived Exertion, and judging whether the human body is under overtraining status or not.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: September 22, 2020
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Bing-Fei Wu, Chun-Hsien Lin, Po-Wei Huang, Tzu-Min Lin, Meng-Liang Chung
  • Patent number: 10784162
    Abstract: A method of making a semiconductor component includes etching a substrate to define an opening. The method further includes depositing a first dielectric liner in the opening, wherein the first dielectric liner has a first stress. The method further includes depositing a second dielectric liner over the first dielectric liner, wherein the second dielectric liner has a second stress, and a direction of the first stress is opposite a direction of the second stress. The method further includes depositing a conductive material over the second dielectric liner.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: September 22, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chen-Hua Yu, Cheng-Hung Chang, Ebin Liao, Chia-Lin Yu, Hsiang-Yi Wang, Chun Hua Chang, Li-Hsien Huang, Darryl Kuo, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Patent number: 10776614
    Abstract: A facial expression recognition training system includes a training module, feature database, a capturing module, a recognition module and an adjusting module. The training module trains a facial expression feature capturing model according to known face images. The feature database stores known facial expression features of the known face images. The capturing module continuously captures first face images, and the facial expression feature capturing model outputs facial expression features of the first face images according to the first face images. The recognition module compares the facial expression features and the known facial expression features, and fit the facial expression features to the first known facial expression features that is one kind of the known facial expression feature accordingly. The adjusting module adjusts the facial expression feature capturing model to reduce the differences between the facial expression features and the known facial expression features.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: September 15, 2020
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Bing-Fei Wu, Chun-Hsien Lin, Meng-Liang Chung
  • Publication number: 20200235159
    Abstract: In some embodiments, the present disclosure relates to an integrated chip structure. The integrated chip structure includes a first image sensor disposed within a first substrate and a second image sensor disposed within a second substrate. The second substrate has a first side facing the first substrate. The first side includes angled surfaces defining one or more recesses within the first side. A band-pass filter is arranged between the first substrate and the second substrate and is configured to reflect electromagnetic radiation that is within a first range of wavelengths.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 23, 2020
    Inventors: Cheng Yu Huang, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Wen-Hau Wu
  • Publication number: 20200227460
    Abstract: Various embodiments of the present application are directed to a narrow band filter with high transmission and an image sensor comprising the narrow band filter. In some embodiments, the filter comprises a first distributed Bragg reflector (DBR), a second DBR, a defect layer between the first and second DBRs, and a plurality of columnar structures. The columnar structures extend through the defect layer and have a refractive index different than a refractive index of the defect layer. The first and second DBRs define a low transmission band, and the defect layer defines a high transmission band dividing the low transmission band. The columnar structures shift the high transmission band towards lower or higher wavelengths depending upon a refractive index of the columnar structures and a fill factor of the columnar structures.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 16, 2020
    Inventors: Cheng Yu Huang, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Wen-Hau Wu
  • Publication number: 20200227461
    Abstract: Various embodiments of the present application are directed to a narrow band filter with high transmission and an image sensor comprising the narrow band filter. In some embodiments, the filter comprises a first distributed Bragg reflector (DBR), a second DBR, a defect layer between the first and second DBRs, and a plurality of columnar structures. The columnar structures extend through the defect layer and have a refractive index different than a refractive index of the defect layer. The first and second DBRs define a low transmission band, and the defect layer defines a high transmission band dividing the low transmission band. The columnar structures shift the high transmission band towards lower or higher wavelengths depending upon a refractive index of the columnar structures and a fill factor of the columnar structures.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 16, 2020
    Inventors: Cheng Yu Huang, Chun-Hao Chuang, Chien-Hsien Tseng, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Wen-Hau Wu
  • Publication number: 20200212019
    Abstract: An electronic package is provided, including: a first substrate having a first insulating portion; a first electronic component disposed on the first substrate; a second substrate having a second insulating portion and stacked on the first substrate through a plurality of conductive elements; and a first encapsulant formed between the first substrate and the second substrate. The first insulating portion of the first substrate differs in rigidity from the second insulating portion of the second substrate. As such, during a high temperature process, one of the first substrate and the second substrate pulls at the other to bend toward the same direction, thereby reducing warpage deviation of the overall electronic package. The present invention further provides a method for fabricating the electronic package.
    Type: Application
    Filed: March 12, 2020
    Publication date: July 2, 2020
    Inventors: Chi-Rui Wu, Fu-Tang Huang, Chia-Cheng Chen, Chun-Hsien Lin, Hsuan-Hao Mi, Yu-Cheng Pai
  • Publication number: 20200209186
    Abstract: A gas sensing device comprises a housing, a cover, and a gas sensing module. The housing has an accommodating space. The cover is disposed on the housing. The cover has a top surface, a bottom surface, and a gas passage. The bottom surface faces the accommodating space. The gas passage is communicated with the accommodating space. The gas passage has a first opening and a second opening. The first opening is located on the top surface. The second opening is located on the bottom surface. The area of the first opening is larger than the area of the second opening. A gas sensing system comprises two aforementioned gas sensing devices, and one of the gas sensing devices is provided with a filter module.
    Type: Application
    Filed: December 26, 2019
    Publication date: July 2, 2020
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chen Wei LIU, Chun Chi CHEN, Hsin-Hsien WU, Hsin Yi HUANG