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).

  • Fluorinated silicon phthalocyanines and naphthalocyanines for electrophoretic display
    Patent number: 7532389
    Abstract: This invention relates to stable colorants of high extinction coefficient and high solubility or dispersibility for an electrophoretic, magnetophoretic or electromagnetophoretic display. More particularly, it relates to stable colorants for a microcup-based electrophoretic or electromagnetophoretic display the cells of which are filled with charged and/or magnetic particles dispersed in a halogenated, preferably a fluorinated, solvent. The use of the stable colorants allows the display to be of superior contrast ratio and longevity, and suitable for high-quality imagery applications.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: May 12, 2009
    Assignee: Sipix Imaging, Inc.
    Inventors: Ying-Syi Li, Jin Yang, Rong-Chang Liang
  • Electrophoretic display and process for its manufacture
    Patent number: 7522332
    Abstract: This invention relates to an electrophoretic display comprising cells which are filled with charged particles dispersed in a solvent and are individually sealed with a polymeric sealing layer.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: April 21, 2009
    Assignee: Sipix Imaging, Inc.
    Inventors: Rong-Chang Liang, Mary Chan-Park, Scott C-J Tseng, Zarng-Arh George Wu, HongMei Zang
  • ADHESIVE LAYER COMPOSITION FOR IN-MOLD DECORATION
    Publication number: 20090098362
    Abstract: This invention relates to compositions suitable for the formation of an adhesive layer used for in-mold decoration. This invention also relates to in-mold decoration tape or strip, comprising: a carrier layer; a release layer; a durable layer; and an adhesive layer which comprises an adhesive binder, a polymeric particulate material and an inorganic particulate material.
    Type: Application
    Filed: December 17, 2008
    Publication date: April 16, 2009
    Inventors: Xiaojia Wang, Cheri Pereria, Pei-Lin Wang, Jing-Den Chen, Rong-Chang Liang
  • Non-random array anisotropic conductive film (ACF) and manufacturing process
    Publication number: 20090053859
    Abstract: The present invention discloses structures and manufacturing processes of an ACF of improved resolution and reliability of electrical connection using a non-random array of microcavities of predetermined configuration, shape and dimension. The manufacturing process includes the steps of (i) fluidic filling of conductive particles onto a substrate or carrier web comprising a predetermined array of microcavities, or (ii) selective metallization of the array followed by filling the array with a filler material and a second selective metallization on the filled microcavity array. The thus prepared filled conductive microcavity array is then over-coated or laminated with an adhesive film.
    Type: Application
    Filed: July 30, 2008
    Publication date: February 26, 2009
    Applicant: Trillion Science Inc.
    Inventors: Qianfei Xu, Rong-Chang Liang, Shih-Wei Ho, Eric H. Liu
  • Electrophoretic display with dual mode switching
    Patent number: 7492505
    Abstract: The present invention relates to an improved EPD which comprises both the traditional up/down switching and the in-plane switching modes. In other words, the improved EPD has dual switching modes. The monochrome EPDs of the present invention are capable of displaying highlight color of choice which is different from the text. For example, white background, blue text, and red highlight can be shown in any selected areas of the display. Furthermore, the full color EPDs of the present invention are capable of displaying high contrast images of high color saturation. Both high quality black and white states are possible in the full color displays of the present invention. The EPDs of the present invention do not need complex circuitry design, and are compatible with low cost and high yield roll-to-roll manufacturing processes.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: February 17, 2009
    Assignee: Sipix Imaging, Inc.
    Inventors: Rong-Chang Liang, Jerry Chung, David Chen
  • Roll-to-roll embossing tools and processes
    Patent number: 7470386
    Abstract: The invention is directed to a polymer shim and a roll-to-roll process for its manufacture.
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: December 30, 2008
    Assignee: Sipix Imaging, Inc.
    Inventors: Gary Y. M. Kang, Scott C. J. Tseng, HongMei Zang, Rong-Chang Liang
  • Transmissive or reflective liquid crystal display and process for its manufacture
    Patent number: 7471369
    Abstract: This invention relates to cholesteric liquid crystal (LC) displays comprising cells of well-defined shape, size and aspect ratio which cells are filled with a liquid crystal composition preferably containing dichroic dye(s), and novel processes for their manufacture.
    Type: Grant
    Filed: October 6, 2004
    Date of Patent: December 30, 2008
    Assignee: Sipix Imaging, Inc.
    Inventor: Rong-Chang Liang
  • FLUORINATED SILICON PHTHALOCYANINES AND NAPHTHALOCYANINES FOR ELECTROPHORETIC DISPLAY
    Publication number: 20080316583
    Abstract: This invention relates to stable colorants of high extinction coefficient and high solubility or dispersibility for an electrophoretic, magnetophoretic or electromagnetophoretic display. More particularly, it relates to stable colorants for a microcup-based electrophoretic or electromagnetophoretic display the cells of which are filled with charged and/or magnetic particles dispersed in a halogenated, preferably a fluorinated, solvent. The use of the stable colorants allows the display to be of superior contrast ratio and longevity, and suitable for high-quality imagery applications.
    Type: Application
    Filed: September 2, 2008
    Publication date: December 25, 2008
    Inventors: Ying-Syi Li, Jin Yang, Rong-Chang Liang
  • COMPOSITIONS FOR LIQUID CRYSTAL DISPLAY
    Publication number: 20080272334
    Abstract: This invention relates to compositions and an assembly process for the manufacture of liquid crystal displays. The assembly process is especially advantageous because it can be easily scalable to roll-to-roll continuous manufacturing of liquid crystal displays. The invention is directed to a photoalignable top-sealing composition for top-sealing a liquid crystal display cell.
    Type: Application
    Filed: July 21, 2008
    Publication date: November 6, 2008
    Inventors: Rong-Chang Liang, HongMei Zang, Haiyan Gu
  • IN MOLD MANUFACTURE OF AN OBJECT WITH EMBEDDED DISPLAY PANEL
    Publication number: 20080224361
    Abstract: This invention relates to an object having a display panel embedded in its top surface and processes for its manufacture. The process comprises the steps of: forming an in-mold display transfer film or foil which comprises a temporary carrier layer, a release layer, a display panel, an adhesive layer and optionally a durable layer; feeding said in-mold display transfer film or foil into a mold with the temporary carrier film in contact with the inner surface of the mold; forming an object in the mold and transferring the in-mold display transfer film or foil onto the object; removing the object formed from the mold; and simultaneously removing both temporary carrier layer and release layer.
    Type: Application
    Filed: May 21, 2008
    Publication date: September 18, 2008
    Inventors: Rong-Chang Liang, Scott C.J. Tseng, Jerry Chung, HongMei Zang, Xiaojia Wang, Y. S. Chaug, Feng Y. Dai
  • ELECTROPHORETIC DISPLAY WITH THERMAL CONTROL
    Publication number: 20080218471
    Abstract: An electrophoretic display (EPD) with thermal control is disclosed for controlling and maintaining an image in extreme temperature environments. Techniques are also disclosed for maintaining the EPD cell threshold voltage for EPD cells comprising an EPD display media at or above a desired level in an environment in which the EPD may be subjected to an extreme temperature. The techniques comprise sensing a sensed temperature associated with the EPD display media, determining whether the sensed temperature satisfies a criterion established to ensure that the display media temperature remains at a level associated with an acceptable EPD cell threshold voltage, and in the event it is determined that the sensed temperature does not satisfy the criterion, controlling the EPD display media temperature as required to bring the sensed temperature to a level that satisfies the criterion.
    Type: Application
    Filed: June 22, 2007
    Publication date: September 11, 2008
    Inventors: Jerry Chung, Rong-Chang Liang, Robert A. Sprague
  • Three-dimensional electrophoretic displays
    Patent number: 7408696
    Abstract: This invention relates to three-dimensional (3-D) electrophoretic displays comprising individually sealed cells filled with optically active electrophoretic dispersions, and more particularly to bi-stable, low-power-consumption and sealed microcup-based electrophoretic displays for high-quality three-dimensional imagery applications.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: August 5, 2008
    Assignee: Sipix Imaging, Inc.
    Inventors: Rong-Chang Liang, David Chen
  • FLUORINATED DYES OR COLORANTS AND THEIR USES
    Publication number: 20080173847
    Abstract: The present invention relates to novel fluorinated dyes or colorants having high solubility and low viscosity in halogenated, especially fluorinated, solvents. The dyes or colorants of the present invention have shown to improve the performance of electrophoretic displays. The invention is particularly directed to a fluorinated porphyrin dye or colorant expressed by Formula (VII).
    Type: Application
    Filed: March 21, 2008
    Publication date: July 24, 2008
    Inventors: Jin Yang, Kai-Chia Feng, Ying-Syi Li, HongMei Zang, Hong Wang, Chien-Hung Chou, Rong-Chang Liang
  • In mold manufacture of an object with embedded display panel
    Patent number: 7401758
    Abstract: This invention relates to an object having a display panel embedded in its top surface and processes for its manufacture. This invention also relates to an in-mold display transfer film or foil, which comprises a temporary carrier film, a release layer, a display panel, an adhesive or tie layer and optionally a durable layer.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: July 22, 2008
    Assignee: SiPix Imaging, Inc.
    Inventors: Rong-Chang Liang, Scott C. J. Tseng, Jerry Chung, HongMei Zang, Xiaojia Wang, Yi-Shung Chaug, Feng Y. Dai
  • PROCESS FOR THE MANUFACTURE OF ELECTROPHORETIC DISPLAYS
    Publication number: 20080165411
    Abstract: This invention relates to a process for the manufacture of a multi-color electrophoretic display involving adding colorant solutions or dispersions of different colors and charged pigment particles in separate steps. The process comprises a first step of pattern-wise filling colorant solutions or dispersions into microcups in predetermined areas, followed by a step of pattern-wise or non-pattern-wise adding an electrophoretic fluid comprising charged pigment particles dispersed in a dielectric solvent or solvent mixture into the microcups which are pre-filled with the colorants.
    Type: Application
    Filed: March 19, 2008
    Publication date: July 10, 2008
    Inventors: Xiaojia Wang, Rong-Chang Liang, Gary Kang
  • RELEASE LAYER FOR IN-MOLD DECORATION
    Publication number: 20080152855
    Abstract: This invention relates to a composition suitable for the formation of a release layer in an in-mold decoration or thermal transfer printing process. The invention also relates to a process for the formation of a release layer comprising dispersing or dissolving the release layer composition of the present invention in a solvent followed by curing said composition.
    Type: Application
    Filed: February 28, 2008
    Publication date: June 26, 2008
    Inventors: Fei Wang, Scott C.J. Tseng, Xiaojia Wang, Kai-Chia Feng, Haiyan Gu, HongMei Zang, Rong-Chang Liang
  • Fluorinated dyes or colorants and their uses
    Patent number: 7390901
    Abstract: This invention relates to novel fluorinated dyes or colorants having high solubility and low viscosity in halogenated, especially fluorinated, solvents. The dyes or colorants of the present invention have shown to improve the performance of electrophoretic displays.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: June 24, 2008
    Assignee: SiPix Imaging, Inc.
    Inventors: Jin Yang, Kai-Chia Feng, Ying-Syi Li, HongMei Zang, Hong Wang, Chien-Hung Chou, Rong-Chang Liang
  • Process for imagewise opening and filling color display components and color displays manufactured thereof
    Patent number: 7385751
    Abstract: This invention relates to the field of electrophoretic displays. In particular, it relates to imagewise opening, filling and sealing multicolor display components and the manufacture of multicolor displays.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: June 10, 2008
    Assignee: SiPix Imaging, Inc.
    Inventors: Xianhai Chen, HongMei Zang, Zarng-Arh George Wu, Rong-Chang Liang
  • Core-shell particles for electrophoretic display
    Patent number: 7382514
    Abstract: The invention relates to electrophoretic displays comprising core-shell pigment particles having a core of low specific gravity and low refractive index and a shell of high refractive index.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: June 3, 2008
    Assignee: Sipix Imaging, Inc.
    Inventors: Wan Peter Hsu, Huiyong Paul Chen, Denis Leroux, Zarng-Arh George Wu, Rong-Chang Liang
  • Process for the manufacture of electrophoretic displays
    Patent number: 7374634
    Abstract: This invention relates to processes for the manufacture of electrophoretic displays.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: May 20, 2008
    Assignee: SiPix Imaging, Inc.
    Inventors: Xiaojia Wang, Rong-Chang Liang, Gary Kang