Patents by Inventor Bo-Chun Chen

Bo-Chun 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).

  • Publication number: 20210407807
    Abstract: A method for forming a semiconductor device includes: forming a gate structure over a fin, where the fin protrudes above a substrate; forming an opening in the gate structure; forming a first dielectric layer along sidewalls and a bottom of the opening, where the first dielectric layer is non-conformal, where the first dielectric layer has a first thickness proximate to an upper surface of the gate structure distal from the substrate, and has a second thickness proximate to the bottom of the opening, where the first thickness is larger than the second thickness; and forming a second dielectric layer over the first dielectric layer to fill the opening, where the first dielectric layer is formed of a first dielectric material, and the second dielectric layer is formed of a second dielectric material different from the first dielectric material.
    Type: Application
    Filed: September 17, 2020
    Publication date: December 30, 2021
    Inventors: Chieh-Ping Wang, Ting-Gang Chen, Bo-Cyuan Lu, Tai-Chun Huang, Chi On Chui
  • Fan
    Patent number: 9989072
    Abstract: A fan includes an impeller and a frame. The frame is used for accommodating the impeller. The frame includes a plurality of static blade groups. Each of the static blade groups has a plurality of static blades. Moreover, at least one first static blade of a first static blade group and at least one first static blade of a second static blade group are symmetric with respect to a central axis of the frame.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: June 5, 2018
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Shun-Chen Chang, Bo-Chun Chen, Shih-Han Huang, Chao-Yu Chen
  • Patent number: 9447789
    Abstract: A fan assembly including a housing, a supporting member, a driving device and a passive impeller. The supporting member is disposed in the housing, and the driving device is disposed on the supporting member. The passive impeller includes a first hub and a plurality of first passive blades encircling the first hub. The active impeller includes a second hub and a plurality of active blades encircling the second hub and actuated to rotate by the driving device. In an axial direction, the first hub is disposed between the driving device and the second hub, and through rotation of the active impeller, airflow is produced which actuates the passive impeller to rotate.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: September 20, 2016
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Shun-Chen Chang, Bo-Chun Chen
  • Fan
    Patent number: 9169850
    Abstract: A fan includes a fan frame, a motor and an impeller. The motor is disposed in the frame. The impeller is connected with the motor and driven by the motor. The impeller includes a hub, an inner blade and an outer blade. The hub has a first surface facing the motor and a second surface facing away from the motor. The inner blade is disposed on the first surface, and the outer blade is disposed on the second surface.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: October 27, 2015
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Shun-Chen Chang, Bo-Chun Chen, Chao-Yu Chen
  • FAN
    Publication number: 20140356149
    Abstract: A fan includes an impeller and a frame. The frame is used for accommodating the impeller. The frame includes a plurality of static blade groups. Each of the static blade groups has a plurality of static blades. Moreover, at least one first static blade of a first static blade group and at least one first static blade of a second static blade group are symmetric with respect to a central axis of the frame.
    Type: Application
    Filed: September 5, 2013
    Publication date: December 4, 2014
    Applicant: Delta Electronics, Inc.
    Inventors: Shun-Chen Chang, Bo-Chun Chen, Shih-Han Huang, Chao-Yu Chen
  • Patent number: 8807969
    Abstract: A fan assembly includes a housing, a first frame, a second frame, at least one driving device, a supporting device, an active impeller and a passive impeller. The housing has an air-flowing channel, and the first frame and second frame are disposed at opposite sites of the air-flowing channel. The driving device is disposed on the first frame and actuates the active impeller to rotate. The supporting device is disposed on the second frame and has the passive impeller thereon. The passive impeller is propelled by the airflow generated by the active impeller.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: August 19, 2014
    Assignee: Delta Electronics, Inc.
    Inventors: Shun-Chen Chang, Chia-Ming Hsu, Bo-Chun Chen
  • FAN
    Publication number: 20140079577
    Abstract: A fan includes a fan frame, a motor and an impeller. The motor is disposed in the frame. The impeller is connected with the motor and driven by the motor. The impeller includes a hub, an inner blade and an outer blade. The hub has a first surface facing the motor and a second surface facing away from the motor. The inner blade is disposed on the first surface, and the outer blade is disposed on the second surface.
    Type: Application
    Filed: February 28, 2013
    Publication date: March 20, 2014
    Applicant: DELTA ELECTRONICS, INC.
    Inventors: Shun-Chen CHANG, Bo-Chun CHEN, Chao-Yu CHEN
  • Patent number: 8604488
    Abstract: A light emitting diode including a GaN substrate, a first type semiconductor layer, a light emitting layer, a second type semiconductor layer, a first electrode, and a second electrode is provided. The GaN substrate has a first surface and a second surface opposite thereto, and the second surface has a plurality of protuberances, the height of the protuberance is h ?m and the distribution density of the protuberance on the second surface is d cm?2, wherein 9.87×107?h2d, and h?1.8. The first type semiconductor is disposed on the first surface of the GaN substrate. The light emitting layer is disposed on a partial region of the first semiconductor layer, and the wavelength of the light emitted by the light emitting layer is from 375 nm to 415 nm. The second semiconductor layer is disposed on the light emitting layer.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: December 10, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Keng Fu, Ren-Hao Jiang, Yen-Hsiang Fang, Bo-Chun Chen, Chia-Feng Lin
  • Publication number: 20130112987
    Abstract: A light emitting diode including a GaN substrate, a first type semiconductor layer, a light emitting layer, a second type semiconductor layer, a first electrode, and a second electrode is provided. The GaN substrate has a first surface and a second surface opposite thereto, and the second surface has a plurality of protuberances, the height of the protuberance is h ?m and the distribution density of the protuberance on the second surface is d cm?2, wherein 9.87×107?h2d, and h?1.8. The first type semiconductor is disposed on the first surface of the GaN substrate. The light emitting layer is disposed on a partial region of the first semiconductor layer, and the wavelength of the light emitted by the light emitting layer is from 375 nm to 415 nm. The second semiconductor layer is disposed on the light emitting layer.
    Type: Application
    Filed: February 2, 2012
    Publication date: May 9, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Keng Fu, Ren-Hao Jiang, Yen-Hsiang Fang, Bo-Chun Chen, Chia-Feng Lin
  • Publication number: 20120301274
    Abstract: A fan assembly including a housing, a supporting member, a driving device and a passive impeller. The supporting member is disposed in the housing, and the driving device is disposed on the supporting member. The passive impeller includes a first hub and a plurality of first passive blades encircling the first hub. The active impeller includes a second hub and a plurality of active blades encircling the second hub and actuated to rotate by the driving device. In an axial direction, the first hub is disposed between the driving device and the second hub, and through rotation of the active impeller, airflow is produced which actuates the passive impeller to rotate.
    Type: Application
    Filed: May 25, 2012
    Publication date: November 29, 2012
    Inventors: Shun-Chen CHANG, Bo-Chun CHEN
  • Publication number: 20120244008
    Abstract: An impeller structure includes a hub, a plurality of blades, and a plurality of reinforcing ribs. The blades are extended from the hub, and the reinforcing ribs are disposed annularly and separately between the blades. The strength of the impeller structure is improved by the reinforcing ribs, and the interference between the inner and outer flow fields of the blades is reduced by the reinforcing ribs. Also, a fan including above-mentioned impeller structure is disclosed.
    Type: Application
    Filed: March 22, 2012
    Publication date: September 27, 2012
    Inventors: Shun-Chen CHANG, Wen-Bin LIU, Bo-Chun CHEN
  • Publication number: 20120107091
    Abstract: A fan assembly includes a housing, a first frame, a second frame, at least one driving device, a supporting device, an active impeller and a passive impeller. The housing has an air-flowing channel, and the first frame and second frame are disposed at opposite sites of the air-flowing channel. The driving device is disposed on the first frame and actuates the active impeller to rotate. The supporting device is disposed on the second frame and has the passive impeller thereon. The passive impeller is propelled by the airflow generated by the active impeller.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 3, 2012
    Inventors: Shun-Chen CHANG, Chia-Ming Hsu, Bo-Chun Chen