Patents by Inventor Ming-Jen Chang

Ming-Jen 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: 20160347977
    Abstract: A curing agent in a structural adhesive includes a plurality of spherical shells and a curing compound bonded to an outer surface of each of the plurality of spherical shells. Each spherical shell is formed of a plurality of primary magnetic nanoparticles. The spherical shells can be broken down under an applied frequency-varied magnetic field, allowing objects bonded by such adhesive to be separated. A method for making the curing agent, and a structural adhesive using the curing agent are also provided.
    Type: Application
    Filed: September 2, 2015
    Publication date: December 1, 2016
    Inventors: JHIH-KUEI GE, MING-JEN CHANG, TING-HSIEN LEE
  • Publication number: 20160140909
    Abstract: The present invention provides driving methods for a color display device in which each pixel can display four high-quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture.
    Type: Application
    Filed: November 12, 2015
    Publication date: May 19, 2016
    Inventors: Craig LIN, Ming-Jen CHANG
  • Patent number: 9112469
    Abstract: A volume control device and a method thereof are provided. The volume control device adapted to a mobile electronic device comprises a signal generating unit generating a plus pulse signal and a minus pulse signal according to user's rotation operation, a detection unit detecting a connecting state between the volume control device and an earphone to generate a detection signal, and a control unit selecting one of a first volume modulation mode and a second volume modulation mode according to the detection signal. Under the first volume modulation mode, the control unit generates a first control signal according to the plus pulse signal or the minus pulse signal. Under the second volume modulation mode, the control unit generates a second control signal according to the plus pulse signal or the minus pulse signal. The mobile electronic device controls volume according to the first or second control signal.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 18, 2015
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Chia-Chyun Wei, Yi-Ming Pan, Ming-Jen Chang, Yi-Tang Liu
  • Publication number: 20150183172
    Abstract: A method is employed for repairing an electronic device. The electronic device includes a base plate, a component installed on the base plate, and a second workpiece adhered on the base plate by an adhesive agent which is positioned adjacent to or away from the component. The method includes the following procedures. A reflective layer is formed on a side of the base plate away from the component to cover the part of the base plate corresponding to the component, and the reflective protection layer is capable of reflecting infrared radiation to protect the component. The adhesive agent is softened by infrared radiation to decrease an adhesive strength of the adhesive agent. The remaining reflective protection layer is removed. The electronic device is dissembled to separate the first workpiece from the second workpiece.
    Type: Application
    Filed: December 25, 2014
    Publication date: July 2, 2015
    Inventors: MING-JEN CHANG, JHIH-KUEI GE, YU-TING CHIU
  • Publication number: 20150136170
    Abstract: A method for removing an adhesive agent from a base plate with a plurality of accessories installed adjacent to the adhesive agent includes certain steps. The steps form a protection layer on the base plate, and the protection layer completely covers the electronic members and completely or partially covers the adhesive agent. The protection layer is solidified and a part of the protection layer is removed to expose the adhesive agent. The base plate is soaked in a removing solution to soften the adhesive agent and decrease an adhering strength of the adhesive agent, the protection layer being resistant to the removing solution to protect the electronic members. The softened adhesive agent is scraped off and the remaining protection layer removed.
    Type: Application
    Filed: October 22, 2014
    Publication date: May 21, 2015
    Inventors: MING-JEN CHANG, JHIH-KUEI GE, CHANG-CHIN WU
  • Publication number: 20140322521
    Abstract: A high-strength but non-permanent adhesive structure includes an adhering member, a surface treatment layer, and an adhesive layer. The surface treatment layer is sandwiched between the adhering member and the adhesive layer. The surface treatment layer includes a plurality of expansion particles. The expansion particles are configured to expand at a predetermined temperature equal to or higher than a softening temperature thereof, such that an adhesive strength between the adhering member and the adhesive layer is decreased and adhered pieces can be easily separated. A surface treatment agent is used for making the adhesive structure.
    Type: Application
    Filed: April 22, 2014
    Publication date: October 30, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: MING-JEN CHANG
  • Publication number: 20140308515
    Abstract: An adhesive tape is disclosed. The adhesive tape includes a base layer made of light guide materials, a first adhesive layer, and a second adhesive layer. The base layer is positioned and bonded between the first adhesive layer and the second adhesive layer. In use, a first workpiece is adhered to the first adhesive layer, and a second workpiece is adhered to the second adhesive layer. When the first workpiece is required to delaminate, depart or removed from the second workpiece, even if the first workpiece and the second workpiece are made of non-transparent or opaque materials, light can enter the base layer from and through the incident surface, and then emits out from the two emitting surfaces. Thus, the first workpiece can be easily removed from the second workpiece due to the UV deactivation of adhesiveness of the adhesive layer through the incident surface of the base layer.
    Type: Application
    Filed: July 16, 2013
    Publication date: October 16, 2014
    Inventors: MING-JEN CHANG, CHANG-CHIN WU
  • Publication number: 20140186597
    Abstract: An adhesive tape includes a first adhesive layer and a pair of second adhesive layers respectively formed on two opposite surfaces of the first adhesive layer. The second pressure sensitive adhesive layers are pressure sensitive adhesive layers which provide initial adhesion. The second adhesive layer can be lifted and reused many times, so the final location of the adhesive tape is made correctly and accurately. The adhesive tape is cured to full bond strength by heating only once.
    Type: Application
    Filed: December 15, 2013
    Publication date: July 3, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: MING-JEN CHANG, CHANG-CHIN WU
  • Publication number: 20140178669
    Abstract: An adhesive tape is non-permanent before pressing and heating includes a protective layer, an adhesive layer formed on the protective layer, and a plurality of adhesive particles dispersed on the adhesive layer. The adhesive force of the adhesive particles is less than that of the adhesive layer. The adhesive tape is easily peeled off from a workpiece to allow reworking before final bonding is required.
    Type: Application
    Filed: December 17, 2013
    Publication date: June 26, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: MING-JEN CHANG
  • Publication number: 20140144590
    Abstract: An adhering structure is disclosed. The adhering structure includes an adhering member, an adhesive layer, and a surface treatment layer sandwiched between the adhering member and the adhesive. The surface treatment layer includes a plurality of magnetic disabling particles. Each of the plurality of magnetic disabling particles has a core-shell structure, and includes a magnetic shell and a core capsulated in the magnetic shell. The core decreases an adhesive strength of the adhesive layer.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 29, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: JHIH-KUEI GE, CHIH-PEN LIN, MING-JEN CHANG
  • Publication number: 20140093092
    Abstract: A volume control device and a method thereof are provided. The volume control device adapted to a mobile electronic device comprises a signal generating unit generating a plus pulse signal and a minus pulse signal according to user's rotation operation, a detection unit detecting a connecting state between the volume control device and an earphone to generate a detection signal, and a control unit selecting one of a first volume modulation mode and a second volume modulation mode according to the detection signal. Under the first volume modulation mode, the control unit generates a first control signal according to the plus pulse signal or the minus pulse signal. Under the second volume modulation mode, the control unit generates a second control signal according to the plus pulse signal or the minus pulse signal. The mobile electronic device controls volume according to the first or second control signal.
    Type: Application
    Filed: March 14, 2013
    Publication date: April 3, 2014
    Applicants: INVENTEC CORPORATION, INVENTEC (PUDONG) TECHNOLOGY CORPORATION
    Inventors: Chia-Chyun Wei, Yi-Ming Pan, Ming-Jen Chang, Yi-Tang Liu
  • Publication number: 20140085355
    Abstract: An electro-phoretic display and a method for driving the same are provided, where the electro-phoretic display has a plurality of pixel units. The method includes: setting a plurality of particle tightening time periods and a plurality of gray level displaying time periods for the pixel units respectively, where each of the gray level displaying time periods is arranged after each corresponding particle tightening time period; providing a plurality of particle tightening voltages to the pixel units for tightening the particles of the pixel units respectively during the particle tightening time periods, and providing a plurality of display driving voltages to the pixel units during the gray level displaying time periods. The particle tightening time periods and/or the gray level displaying time periods are determined by a plurality of display gray level data corresponding to the pixel units.
    Type: Application
    Filed: June 26, 2013
    Publication date: March 27, 2014
    Inventors: Ming-Jen Chang, Jo-Cheng Huang, Shao-Wei Su, Chun-An Wei, Yao-Jen Hsieh