Patents by Inventor Rong-Chang Liang

Rong-Chang Liang 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: 20240130359
    Abstract: Described herein are quaternary ammonium polymers and interpenetrating polymer networks and compositions thereof with broad spectrum antimicrobial properties that produce fast acting, long lasting, non-toxic and non-allergenic colorless and transparent durable surface coatings that are resistant to water and common solvents. The surface coatings are easy and cost effective to produce from readily-available materials using versatile synthesis enabling a wide range of chemical variations. They are readily applied to a wide range of surfaces and materials, and no materials leach out of the coatings.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 25, 2024
    Applicant: Polaroid IP B.V.
    Inventors: Stephen Robert Herchen, Rong-Chang Liang, Christian Ewald Janssen
  • Publication number: 20240117196
    Abstract: Described herein are quaternary ammonium polymers with broad spectrum antimicrobial properties that produce fast acting, long lasting, non-toxic and nonallergenic colorless and transparent durable surface coatings that are resistant to water and common solvents. The surface coatings are easy and cost effective to produce from readily-available materials using versatile synthesis, enabling a wide range of chemical variations. Such coatings are readily applicable to a wide range of surfaces and materials, without leaching of material from the coatings.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 11, 2024
    Applicant: POLAROID IP B.V.
    Inventors: Stephen Robert Herchen, Rong Chang Liang, Christian Ewald Janssen
  • Publication number: 20230393459
    Abstract: Microcapsules including a polymeric shell and an internal phase including a non-photopolymerizable reactive diluent are provided for use in microcapsule imaging sheets. Imaging sheets including microcapsules which include a non-photopolymerizable reactive diluent, and which exhibit improvements in color development (Dmax), discoloration (yellowing) resistance, mechanical properties (e.g., peel strength), and temperature latitude of imaging sheets including leuco dyes.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 7, 2023
    Applicant: Polaroid IP B.V.
    Inventors: Wei You, Chun-Jen Chen, Rong-Chang Liang
  • Publication number: 20230393460
    Abstract: Primer layers having improved reflectivity and thermal insulation properties are provided for use in microencapsulated thermal imaging sheets. Primer layers having a polymeric binder, of about 3% to about 60% by weight, relative to the total weight of the primer layer, of a white particulate, a primer substrate, and hollow particulate particles improve the reflectivity, color development, color density, and thermal insulation of microcapsule imaging sheets including the same. A black back-coat applied to the substrate on a side opposite the primer layer further enhances the Dmax and E10 of microcapsule imaging sheets and prevents premature exposure of microcapsule imaging sheets in stacked media.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 7, 2023
    Applicant: Polaroid IP B.V.
    Inventors: Rong-Chang Liang, Wei You, Yi Wen Chen
  • Patent number: 10062660
    Abstract: An anisotropic conductive film (ACF) is disclosed. In one approach, the ACF includes a non-reflective adhesive layer including a top surface, a plurality of conductive particles included with the non-reflective adhesive layer, and a reflective adhesive layer disposed along the top surface of the non-reflective adhesive layer.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: August 28, 2018
    Assignee: TRILLION SCIENCE, INC.
    Inventors: Rong-Chang Liang, Chia-Teng Hsiao, Shun-Pin Yang, Jing-Den Chen, Pi-Yang Chuang
  • Patent number: 9871177
    Abstract: An anisotropic conductive film (ACF) is disclosed. In one approach, the ACF includes a non-reflective adhesive layer including a top surface, a plurality of conductive particles included with the non-reflective adhesive layer, and a reflective adhesive layer disposed along the top surface of the non-reflective adhesive layer. The reflective layer includes at least five percent reflective particles by percentage weight.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: January 16, 2018
    Assignee: TRILLION SCIENCE, INC.
    Inventors: Rong-Chang Liang, Jane Sun, Keren Zhang
  • Publication number: 20170287867
    Abstract: An anisotropic conductive film (ACF) is disclosed. In one approach, the ACF includes a non-reflective adhesive layer including a top surface, a plurality of conductive particles included with the non-reflective adhesive layer, and a reflective adhesive layer disposed along the top surface of the non-reflective adhesive layer.
    Type: Application
    Filed: June 23, 2017
    Publication date: October 5, 2017
    Applicant: Trillion Science, Inc.
    Inventors: Rong-Chang Liang, Chia-Teng Hsiao, Shun-Pin Yang, Jing-Den Chen, Pi-Yang Chuang
  • Publication number: 20170004901
    Abstract: Structures and manufacturing processes of an ACF array and more particularly a non-random particles are transferred to the array of microcavities of predetermined configuration, shape and dimension. The manufacturing process includes fluidic filling of conductive particles surface-treated with a block copolymer composition onto a substrate or carrier web comprising a predetermined array of microcavities. The thus prepared filled conductive microcavity array is then over-coated or laminated with an adhesive film.
    Type: Application
    Filed: July 15, 2016
    Publication date: January 5, 2017
    Applicant: Trillion Science, Inc.
    Inventors: Rong-Chang Liang, Yuhao Sun, Zhiyao An
  • Patent number: 9475963
    Abstract: An ACF comprising a substrate, a layer of an adhesive on the surface of the substrate, the adhesive optionally having conductive particles dispersed therein, at least one tier of conductive particles arranged in a non-random array, the tier being formed by transfer of conductive particles from a carrier belt having a stitching line to the surface of the adhesive layer wherein the portion of the tier corresponding to the stitching line is free of conductive particles, and the adhesive layer being overcoated with a second tier of conductive particles arranged in a non-random array at least in the area of the first tier corresponding to the stitching line. The tiers may be at the same or different depths within the adhesive layer. More than two tiers of conductive particles may be present in the ACF.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: October 25, 2016
    Assignee: TRILLION SCIENCE, INC.
    Inventors: Rong-Chang Liang, Jane Sun, Howard Ho Man Chu, Meng-Chun Lee
  • Publication number: 20160266422
    Abstract: The invention is directed to compositions and methods for improving the physicomechanical and electro-optical properties of an electrophoretic or liquid crystal display and also to semi-finished or finished display panels with improved physicomechanical properties. The invention is further directed to a display device comprising display cells filled with a display fluid and top-sealed with a top-sealing layer, wherein the top-sealing layer has a thickness of less than 10 microns measured at the center area.
    Type: Application
    Filed: May 6, 2016
    Publication date: September 15, 2016
    Inventors: Xiaojia ZHANG, Cheri PEREIRA, Jack HOU, Rong-Chang LIANG
  • Publication number: 20160260875
    Abstract: An anisotropic conductive film (ACF) is disclosed. In one approach, the ACF includes a non-reflective adhesive layer including a top surface, a plurality of conductive particles included with the non-reflective adhesive layer, and a reflective adhesive layer disposed along the top surface of the non-reflective adhesive layer. The reflective layer includes at least five percent reflective particles by percentage weight.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 8, 2016
    Inventors: Rong-Chang Liang, Jane Sun, Keren Zhang
  • Patent number: 9410370
    Abstract: An aspect of the invention provides an electric curtain. The electric curtain includes a sunlight detector for obtaining light information of sunlight and a light modulation device capable of receiving the sunlight and for adjusting an emergent angle of the sunlight to refract the sunlight to a ceiling of a room.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: August 9, 2016
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yeong-Feng Wang, Ming-Wei Tsai, Keh-Su Chang, Rong-Chang Liang
  • Patent number: 9360678
    Abstract: The disclosure provides a light modulating module attached on a display side of a reflective display apparatus, including: a light source portion capable of providing an illumination light beam, wherein the illumination light beam is capable of being transmitted to the reflective display apparatus, and the reflective display apparatus is adapted to reflect the illumination light beam to generate an image light beam; and an image light modulating device is disposed above the reflective display apparatus and disposed in a light path of the image light beam, wherein the image light modulating device is capable of modulating a direction and/or a polarization state of the image light beam, and the image light beam is emitted to either a left or right eye of a viewer to form an autostereoscopic image perceivable to the viewer after the image light beam passes through the image light modulating device.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: June 7, 2016
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yeong-Feng Wang, Ming-Wei Tsai, Keh-Su Chang, Rong-Chang Liang
  • Patent number: 9352539
    Abstract: A carrier belt for fabricating a device or component such as an anisotropic conductive film. The carrier belt includes a substrate having a sacrificial image enhancing layer. Microcavities are formed in the carrier by laser ablation through the image enhancing layer. After the image enhancement layer is removed, a plurality of conductive particles are distributed into an array of microcavities formed by laser ablation on a surface of a carrier belt and transferred to an adhesive layer. The image enhancing layer enables one to form microcavities with a fine pitch and spacing and partitions having a high aspect ratio.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: May 31, 2016
    Assignee: TRILLION SCIENCE, INC.
    Inventors: Rong-Chang Liang, Chin-Jen Tseng, Ta-Ching Wu, Jia Yen Leong, Zhiyao An, An-Yu Ma, Maung Kyaw Aung
  • Patent number: 9322213
    Abstract: An aspect of the invention provides a display with an adjustable focus mechanism. The display with an adjustable focus mechanism includes a display panel for emitting a plurality of rays to form an image; a light modulation device for receiving the rays from the display panel and adjusting an emergent angle of each ray; and a controller for providing a control signal to drive the light modulation device by estimating the emergent angle of the each of the rays according to an eyesight data of a user and a distance between the user and the display.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: April 26, 2016
    Assignee: Delta Electronics, Inc.
    Inventors: Yeong-Feng Wang, Ming-Wei Tsai, Keh-Su Chang, Rong-Chang Liang
  • Publication number: 20150240130
    Abstract: An ACF comprising a substrate, a layer of an adhesive on the surface of the substrate, the adhesive optionally having conductive particles dispersed therein, at least one tier of conductive particles arranged in a non-random array, the tier being formed by transfer of conductive particles from a carrier belt having a stitching line to the surface of the adhesive layer wherein the portion of the tier corresponding to the stitching line is free of conductive particles, and the adhesive layer being overcoated with a second tier of conductive particles arranged in a non-random array at least in the area of the first tier corresponding to the stitching line. The tiers may be at the same or different depths within the adhesive layer. More than two tiers of conductive particles may be present in the ACF.
    Type: Application
    Filed: May 14, 2015
    Publication date: August 27, 2015
    Inventors: Rong-Chang Liang, Jane Sun, Howard Ho Man Chu, Meng-Chun Lee
  • Patent number: 9114663
    Abstract: The present invention is directed to a display device which comprises two layers of insulating substrate, at least the substrate on the viewing side is transparent, an array of display cells sandwiched between the two layers of substrate, a writing means, and optionally an erasing means to magnetically or electrically erase the image. The display cells are filled with a dispersion of magnetic particles which may be charged or non-charged. The display of the invention eliminates the use of the transparent conductor film, such as ITO, on the viewing side. Therefore, the displays of this invention are more cost effective, more flexible and durable and capable of higher image contrast ratio and higher reflectance in the Dmin area.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: August 25, 2015
    Assignee: E Ink California, LLC
    Inventors: Ching-Shon Ho, Jerry Chung, Paul Gendler, Rong-Chang Liang, HongMei Zang
  • Patent number: 9102851
    Abstract: A method for fabricating an electronic device or component such as an anisotropic conductive film comprising: distributing a plurality of conductive particles into an array of microcavities formed on a surface of a continuous carrier belt, rotating the belt carrying the conductive particles while conveying a surface of an adhesive layer into contact with the surface of the rotating belt, transferring the conductive particles from the microcavities on the belt to the adhesive layer in predefined locations in the adhesive layer corresponding to the array of microcavities on the belt, and separating the adhesive layer from the surface of the belt. In one embodiment, the position of the microcavities is varied in a controlled manner.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: August 11, 2015
    Assignee: Trillion Science, Inc.
    Inventors: Jiannrong Lee, Yuhao Sun, Maung Kyaw Aung, Chin-Jen Tseng, Chiapu Chang, Shuji Rokutanda, Rong-Chang Liang
  • Patent number: 9081250
    Abstract: This invention relates to an electrophoretic display comprising a plurality of cells, each of said cells comprises: a) partition walls; b) an electrophoretic fluid filled therein; c) a polymeric sealing layer to enclose the electrophoretic fluid within the cell; and d) an interface between the electrophoretic fluid and the sealing layer.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: July 14, 2015
    Assignee: E Ink California, LLC
    Inventors: Rong-Chang Liang, Mary Chan-Park, Scott C-J Tseng, Zarng-Arh George Wu, HongMei Zang
  • Publication number: 20150184459
    Abstract: An aspect of the invention provides an electric curtain. The electric curtain includes a sunlight detector for obtaining light information of sunlight and a light modulation device capable of receiving the sunlight and for adjusting an emergent angle of the sunlight to refract the sunlight to a ceiling of a room.
    Type: Application
    Filed: March 13, 2015
    Publication date: July 2, 2015
    Inventors: Yeong-Feng WANG, Ming-Wei TSAI, Keh-Su CHANG, Rong-Chang LIANG