Patents by Inventor Chien-hung Chen

Chien-hung Chen 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: 11026445
    Abstract: A bean roasting apparatus with a stirring barrel body, a receiving structure and an image capturing assembly is provided. The stirring barrel body has an opening. The receiving structure has a bean-through opening and an observation opening. The image capturing assembly has at least one image capturing device and a reflective surface which is disposed in the capturing scope of the at least one image capturing device and is tilted facing the at least one image capturing device and the observation opening. Therefore, the at least one image capturing device can capture an image inside the receiving structure through the reflective surface and the observation opening. Another bean roasting apparatus with an image capturing assembly is provided, wherein at least one image capturing device of the image capturing assembly can capture an image inside the receiving structure through the observation opening directly.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: June 8, 2021
    Assignee: JIYONSON CO., LTD.
    Inventors: Yun-Long Tun, Chien-Hung Chen, San-Chi Ho
  • Publication number: 20210159122
    Abstract: In an embodiment, a method of forming a semiconductor device includes forming a fin protruding above a substrate; forming a gate structure over the fin; forming a recess in the fin and adjacent to the gate structure; performing a wet etch process to clean the recess; treating the recess with a plasma process; and performing a dry etch process to clean the recess after the plasma process and the wet etch process.
    Type: Application
    Filed: February 5, 2021
    Publication date: May 27, 2021
    Inventors: Che-Yu Lin, Chien-Wei Lee, Chien-Hung Chen, Wen-Chu Hsiao, Yee-Chia Yeo
  • Patent number: 11018132
    Abstract: A method for fabricating a semiconductor device includes the steps of providing a semiconductor substrate; forming a tunnel dielectric on the semiconductor substrate; forming a floating gate on the tunnel dielectric; forming an insulation layer conformally disposed on the top surface and the sidewall surface of the floating gate; forming a control gate disposed on the insulation layer and the floating gate; and forming a spacer continuously distributed on the sidewall surfaces of the floating gate and the control gate, where the spacer overlaps portions of the top surface of the floating gate.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: May 25, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Tzu-Ping Chen, Chien-Hung Chen
  • Patent number: 11011623
    Abstract: In an embodiment, a device includes: a substrate; a first semiconductor layer extending from the substrate, the first semiconductor layer including silicon; a second semiconductor layer on the first semiconductor layer, the second semiconductor layer including silicon germanium, edge portions of the second semiconductor layer having a first germanium concentration, a center portion of the second semiconductor layer having a second germanium concentration, the second germanium concentration being less than the first germanium concentration, the edge portions of the second semiconductor layer including sides and a top surface of the second semiconductor layer; a gate stack on the second semiconductor layer; lightly doped source/drain regions in the second semiconductor layer, the lightly doped source/drain regions being adjacent the gate stack; and source and drain regions extending into the lightly doped source/drain regions.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: May 18, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Che-Yu Lin, Chien-Hung Chen, Wen-Chu Hsiao
  • Patent number: 10996239
    Abstract: A method of positioning probe tips relative to pads includes: focusing on each of the probe tips in a first image as viewed by a microscope and collecting the coordinates of the corresponding probe tip relative to a first reference point in the first image; focusing on each of the pads in a second image as viewed by the microscope and collecting the coordinates of the corresponding pad relative to a second reference point in the second image, a relative position of the second reference point to the first reference point being predetermined; matching the pads with the probe tips when the quantity of the probe tips and the pads are equal while minimizing a maximum value of the distances calculated between each of the probe tips and the corresponding pad; and moving the probe tips to touch the pads with the maximum value minimized.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: May 4, 2021
    Assignee: MPI CORPORATION
    Inventors: Ingo Berg, Chien-Hung Chen, Frank Fehrmann, Sebastian Giessmann
  • Publication number: 20210126230
    Abstract: A battery assembly includes a battery holding unit and a battery unit removably held by the battery holding unit. The battery unit includes a battery, a first engaging portion, and a second engaging portion. The battery holding unit includes a holding member selectively engaged with the first engaging portion or the second engaging portion to hold the battery unit at a first position or a second position. When the holding member and the first engaging portion relatively move away from each other along a disengagement direction, the battery unit moves along a detachment direction from the first position to the second position at which the holding member engages with the second engaging portion, and the second engaging portion is allowed to move to disengage from the holding member, so that the battery unit moves again along the detachment direction to be removed from the battery holding unit.
    Type: Application
    Filed: March 3, 2020
    Publication date: April 29, 2021
    Inventors: Chia-Hung LIU, Chien-Hung CHEN
  • Patent number: 10976621
    Abstract: A display device is disclosed, which includes: a first substrate; a plurality of scan lines and a plurality of data lines, wherein the plurality of scan lines intersects with the plurality of data lines, the plurality of scan lines and the plurality of data lines are disposed above the first substrate, and the plurality of scan lines extend along a first direction; a common electrode disposed above the first substrate, wherein the common electrode has a first part extending along the first direction, a second part substantially parallels to the one of the plurality of data lines, and the first part connects to the second part.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: April 13, 2021
    Inventors: Chien-Hung Chen, Bo-Chin Tsuei, Hsia-Ching Chu, Mei-Chun Shih
  • Patent number: 10976363
    Abstract: A wafer inspection method was provided. A motorized chuck stage is controlled by a control rod to be displaced between an upper position and a lower position of an adjustment range along a Z-axis direction, to change a relative position of a wafer on the motorized chuck stage relative to a probe. The control rod is movable between an upper limit position and a lower limit position in a displacement range. The wafer inspection method includes: determining a position of the control rod in the displacement range based on a measurement signal; determining a moving direction and a moving distance of the control rod based on a change of the measurement signal; generating a control signal based on the moving distance of the control rod; and controlling, based on the control signal, the motorized chuck stage and a camera stage to be displaced the same distance.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: April 13, 2021
    Assignee: MPI CORPORATION
    Inventors: Lin-Lin Chih, Chien-Hung Chen, Guan-Jhih Liou, Yu-Hsun Hsu
  • Publication number: 20210096325
    Abstract: A lens assembly includes a first lens, a second lens, a third lens, and a fourth lens. The first lens is with positive refractive power and includes a concave surface facing an object side and a convex surface facing an image side. The second lens is with negative refractive power and includes a concave surface facing the object side. The third lens is with positive refractive power. The fourth lens is with refractive power and includes a concave surface facing the image side. The first lens, the second lens, the third lens, and the fourth lens are arranged in order from the object side to the image side along an optical axis. The lens assembly satisfies: TTL/f>1.2; wherein TTL is a total length of optical system of the lens assembly and f is an effective focal length of the lens assembly.
    Type: Application
    Filed: August 27, 2020
    Publication date: April 1, 2021
    Inventors: Guo-Yang Wu, Bo-Yan Chen, Hsi-Ling Chang, Chun-Yang Yao, Chien-Hung Chen
  • Publication number: 20210055344
    Abstract: A wafer inspection method, wherein a motorized chuck stage is controlled by a control rod to be displaced between an upper position and a lower position along Z-axis direction, to change a relative position of a wafer on the motorized chuck stage relative to a probe. The control rod is movable between an upper and an lower limit positions. The wafer inspection method includes: determining a position of the control rod based on a measurement signal; determining a first moving direction and a moving distance of the control rod based on a change of the measurement signal; generating a control signal based on the moving distance of the control rod; controlling the motorized chuck stage to be displaced along a second moving direction opposite to the first moving direction; and controlling an objective lens module to keep focusing on the wafer when the motorized chuck stage is on the move.
    Type: Application
    Filed: November 10, 2020
    Publication date: February 25, 2021
    Applicant: MPI Corporation
    Inventors: Lin-Lin Chih, Chien-Hung Chen, Guan-Jhih Liou, Yu-Hsun Hsu
  • Publication number: 20200379312
    Abstract: An electrophoretic display and a driving method thereof are provided. The electrophoretic display includes a display panel and a driving circuit. The display panel includes an electrophoretic unit and a driving substrate. The electrophoretic unit includes a plurality of electrophoretic particles. The driving substrate is disposed below the electrophoretic unit. The driving circuit is coupled to the driving substrate. The driving circuit sequentially provides a first reset signal and a second reset signal to the driving substrate during a reset period to reset the plurality of electrophoretic particles. The first reset signal sequentially includes a first sub-balanced signal and a first sub-mixed signal. The second reset signal sequentially includes a second sub-balanced signal and a second sub-mixed signal.
    Type: Application
    Filed: March 12, 2020
    Publication date: December 3, 2020
    Applicant: E Ink Holdings Inc.
    Inventors: Hsin-I Wu, Chien-Hung Chen, Chen-Kai Chiu, Chih-Yu Cheng
  • Publication number: 20200378388
    Abstract: A contra-rotating fan structure includes a first base, a first fan, a second base, and a second fan. The first fan is rotatably disposed on the first base and includes a first hub. The first hub has a first largest width. The second fan is rotatably disposed on the second base and includes a second hub. The second hub has a second largest width. The first base and the second base are located between the first fan and the second fan. The second largest width is greater than the first largest width.
    Type: Application
    Filed: October 8, 2019
    Publication date: December 3, 2020
    Inventors: Chien-Hung CHEN, Chao-Fu YANG, Chien-Chih HUANG, Yueh-Lung HUANG, Shun-Chen CHANG
  • Patent number: 10814023
    Abstract: The present invention is related to an electrochemical paper towel sterilizing device, which mainly comprises: at least one sterilizing device, at least one first accommodating space, at least one water-inlet portion, at least one electrolytic component, at least one power-supply element, and at least one second accommodating space. In this way, the second accommodating space is provided with a dry wiping-object (such as a paper towel), and the user can add water into the first accommodating space via the water-inlet portion and electrolyze the water through the electrolytic component to generate the high active oxygen species, and combine the water and the high active oxygen species into the wiping-object, thereby producing a wet wiping-object with sterilizing effect.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: October 27, 2020
    Inventor: Chien-Hung Chen
  • Patent number: 10804995
    Abstract: A method for radio frequency chain allocation. The method is utilized in a massive multiple-input multiple-output (MIMO) system. Specifically, a hybrid beamforming (HB) system in which the overall beamformer consists of a low-dimensional digital beamformer followed by an analog beamformer utilized the method to allocate RF chains to data streams. The total number of RF chains is not necessarily equal to the number of data streams to users.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: October 13, 2020
    Assignees: HON HAI PRECISION INDUSTRY CO., LTD., NATIONAL TAIWAN UNIVERSITY
    Inventors: Hsuan-Jung Su, Chen-Chieh Hong, Chien-Hung Chen
  • Patent number: 10776402
    Abstract: A manufacture parameters grouping and analyzing method, and a manufacture parameters grouping and analyzing system are provided. The manufacture parameters grouping and analyzing method includes the following steps: A plurality of process factors are classified into a plurality of groups. In each of the groups, an intervening relationship between any two of the process factors is larger than a predetermined correlation value. In each of the groups, at least one representative factor is selected from each of the groups according to a plurality of outputting relationships of the process factors related to an output factor or a plurality of sample amounts of the process factors. Finally, the representative factor is used for various applications.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: September 15, 2020
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Li-Chin Wang, Ya-Ching Cheng, Chien-Hung Chen, Chun-Liang Hou, Da-Ching Liao
  • Patent number: 10777580
    Abstract: A display panel is disclosed. The display panel includes a first substrate, a light shielding layer and a color block. The first substrate has a first surface with a first edge and a second edge, and the second edge is connected to the first edge. The second edge substantially extends along a first direction. The light shielding layer is disposed on the first surface and includes a plurality of openings. The color block closest to the second edge is disposed on the light shielding layer and extending along the first direction. The color block does not overlap the plurality of openings. Wherein the color block has a third edge which is closest to the second edge, and the third edge is not aligned evenly.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: September 15, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Hsu-Kuan Hsu, Hsia-Ching Chu, Chien-Hung Chen, Kuei-Ling Liu, Mei-Chun Shih
  • Patent number: 10770600
    Abstract: A photodetecting device and method of using the same are provided. Light is used to irradiate the optical filter layer of the photodetecting device and positions of the electrons and the holes in the polycrystalline silicon nano-channel layer are rearranged by the light with a wavelength range capable of passing through the optical filter layer. The current between the source and the drain is changed by rearranging the positions of the electrons and the holes, so as to generate a current difference. The intensity of the light is calculated by the current difference.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: September 8, 2020
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Yuh-Shyong Yang, Chien-Hung Chen, Chih-Heng Lin
  • Patent number: 10704890
    Abstract: A dynamic motion detection system including a plurality of active independent emitting elements, a signal capturing apparatus, and a computing apparatus is provided. The active independent emitting elements are suitable for being respectively affixed to different parts of a person to-be-tested and actively emitting positioning signals having preset wavelengths. The signal capturing apparatus is configured to capture the positioning signal of each of the active independent emitting elements and calculate a plurality of emitting coordinates according to the positioning signals. The computing apparatus is configured to control operation of the signal capturing apparatus and receive the emitting coordinates from the signal capturing apparatus. The computing apparatus defines a corresponding relationship between the emitting coordinates and the active independent emitting elements by comparing a geometry relationship among the emitting coordinates.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: July 7, 2020
    Assignee: Giant Manufacturing Co., Ltd.
    Inventors: Wei-Chieh Ho, Chien-Hung Chen, Ji-De Huang, Jui-Yen Chang, Yu-Fu Mao
  • Patent number: 10705315
    Abstract: A slim lens assembly in accordance with the invention in order from an object side to an image side along an optical axis, comprises a first lens, a second lens, a third lens and a fourth lens. The first lens is with positive refractive power, which includes a convex surface facing an image side. The second lens is with positive refractive power, which includes a concave surface facing the image side. The third lens is with positive refractive power, which includes a concave surface facing the object side and a convex surface facing the image side. The fourth lens is with positive refractive power.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: July 7, 2020
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Chien-Hung Chen, Hsi-Ling Chang
  • Patent number: 10681409
    Abstract: One or more computing devices, systems, and/or methods for selective orientation during presentation of a multidirectional video are provided. In an example, a multidirectional video may be received. A first orientation of a portion of the multidirectional video may be analyzed to determine a first score. A second orientation of the portion of the multidirectional video may be analyzed to determine a second score. Responsive to determining that the first score is greater than the second score, the first orientation may be selected in association with the portion of the multidirectional video. Responsive to receiving a request to view the multidirectional video, an indication of the first orientation as a representation of the portion may be provided.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: June 9, 2020
    Assignee: Oath Inc.
    Inventor: Chien Hung Chen