Patents by Inventor Craig Lin

Craig Lin 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).

  • ANISOTROPIC CONDUCTIVE DIELECTRIC LAYER FOR ELECTROPHORETIC DISPLAY
    Publication number: 20150378235
    Abstract: The present invention is directed to an electrophoretic display device comprising (a) microcells filled with an electrophoretic fluid, and (b) at least one dielectric layer which comprises at least two types of filler. Among the types of filler, at least one type is sensitive to a magnetic field.
    Type: Application
    Filed: June 24, 2015
    Publication date: December 31, 2015
    Inventors: Craig LIN, Yu Li, Peter B. Laxton, Lei Liu, Hui Du, HongMei Zang
  • ELECTROPHORETIC DISPLAY DEVICE
    Publication number: 20150378236
    Abstract: The present invention is directed to an electrophoretic display device which is suitable for passive matrix driving. The electrophoretic fluid may comprise two types of charged pigment particles wherein the two types of charged pigment particles carry opposite charge polarities, have contrasting colors and have different levels of charge intensity. Alternatively, there may be a third type of particles added to the fluid.
    Type: Application
    Filed: September 9, 2015
    Publication date: December 31, 2015
    Inventors: Ming Wang, Craig Lin, Hui Du, HongMei Zang, Xiaojia Zhang
  • Driving methods for electrophoretic displays
    Patent number: 9224338
    Abstract: The driving system and methods of the present invention enable interruption of updating images. The system and methods have the advantage that they not only can speed up the updating process when more than one command is received consecutively in a short period of time, but also can provide a more smooth transition visually during the updating process.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: December 29, 2015
    Assignee: E INK CALIFORNIA, LLC
    Inventors: Bryan Hans Chan, Craig Lin
  • Approach to adjust driving waveforms for a display device
    Patent number: 9224342
    Abstract: The present invention is directed to methods for adjusting or selecting driving waveforms in order to achieve a consistent optical performance of a display device. When a method of the present invention is applied, even if there are changes in the display medium due to temperature variation, photo-exposure or aging, the optical performance can be maintained at a desired level.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: December 29, 2015
    Assignee: E INK CALIFORNIA, LLC
    Inventor: Craig Lin
  • MOIRE REDUCING OPTICAL SUBSTRATES WITH IRREGULAR PRISM STRUCTURES
    Publication number: 20150346421
    Abstract: An optical substrate has a structured surface that enhances brightness and reduces moire effect. The optical substrate has a three-dimensionally varying, structured light output surface that comprises an irregular prismatic structure. The irregular prismatic structure may be viewed as comprising longitudinal prism blocks or rows thereof, arranged laterally defining peaks and valleys. Adjacent peaks, adjacent valleys, and/or adjacent peak and valley may be parallel or non-parallel, in an orderly, semi-orderly, random, or quasi-random manner. The lateral adjacent peaks, adjacent valleys, and/or adjacent peak and valley are not parallel. The adjacent irregular prism blocks may be irregular longitudinal sections having the same length, or random or quasi-random irregular sections having different lengths. The facets of each prism block may be flat, or curved (convexly and/or concavely).
    Type: Application
    Filed: August 13, 2015
    Publication date: December 3, 2015
    Inventors: Kong-Hua Wang, Craig Lin, Daniel Yaw-Chung KO
  • Color display device
    Patent number: 9170468
    Abstract: The present invention provides 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. The fluid may further comprise substantially uncharged neutral buoyancy particles.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: October 27, 2015
    Assignee: E Ink California, LLC
    Inventors: Craig Lin, Hui Du, Ming Wang
  • ELECTROPHORETIC FLUID
    Publication number: 20150301425
    Abstract: The present invention is directed to a display fluid comprising charged composite pigment particles dispersed in a solvent. The composite pigment particle comprises at least a core pigment particle, a shell coated over the core pigment particle and steric stabilizer molecules on the surface of the composite pigment particle, wherein the shell is formed from a monomer and a co-monomer. A display fluid comprising the composite pigment particles provides improved display performance.
    Type: Application
    Filed: May 29, 2015
    Publication date: October 22, 2015
    Inventors: Hui DU, Craig Lin, Ming Wang, HongMei Zang
  • Electrophoretic display with enhanced contrast
    Patent number: 9140952
    Abstract: The present invention is directed to an electrophoretic display with enhanced contrast. The invention is directed to an electrophoretic display comprising: a first layer comprising a common electrode, a second layer comprising at least one collecting pixel electrode, a plurality of display cells which are sandwiched between the first layer and the second layer and are filled with an electrophoretic fluid comprising charged pigment particles dispersed in a solvent or solvent mixture; and a background layer. More specifically, the invention provides an electrophoretic display having the dark color state darker while maintaining the same intensity of the lighter color state.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: September 22, 2015
    Assignee: E Ink California, LLC
    Inventors: Robert A. Sprague, Craig Lin
  • Color display architecture and driving methods
    Patent number: 9116412
    Abstract: The invention relates to a method for driving a display cell filled with an electrophoretic fluid comprising two types of charged particles carrying opposite charge polarities and of two contrast colors, wherein the two types of pigment particles are dispersed in a solvent of a color or in a solvent with non-charged or slightly charged colored particles dispersed therein. The method comprises driving said display cell to display the color of the solvent or the color of the non-charged or slightly charged colored particles by applying a driving voltage which is about 1 to about 20% of the full driving voltage.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: August 25, 2015
    Assignee: E Ink California, LLC
    Inventor: Craig Lin
  • COLOR DISPLAY DEVICE
    Publication number: 20150234250
    Abstract: The present invention is directed to a color display device in which each pixel can display at least five high-quality color states, and an electrophoretic fluid for such an electrophoretic display. In one aspect, the different types of particles exhibit different levels of attraction force to display different color states. In another aspect, the different types of particles exhibit different levels of mobility in different driving voltage ranges to display different color states.
    Type: Application
    Filed: February 19, 2015
    Publication date: August 20, 2015
    Inventors: Craig LIN, Ming Wang, Hui Du, Xiaojia Zhang, Yu Li, Roman Ivanov, Yajuan Chen
  • DRIVING SYSTEM FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20150213749
    Abstract: This application relates to a driving system for an electrophoretic display. The driving system can reduce the memory space required for driving an electrophoretic display. This application is directed to a driving method for updating a pixel in a display from a current image to a new image.
    Type: Application
    Filed: April 3, 2015
    Publication date: July 30, 2015
    Inventor: Craig Lin
  • COLOR DISPLAY DEVICE
    Publication number: 20150198858
    Abstract: The present invention provides a full color display device in which each pixel can display multiple high-quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture and each pixel can display at least five different color states.
    Type: Application
    Filed: January 13, 2015
    Publication date: July 16, 2015
    Inventors: Bryan Hans Chan, Hui Du, Craig Lin, HongMei Zang
  • Luminance enhancement structure with varying pitches
    Patent number: 9025234
    Abstract: The present invention is directed to luminance enhancement structure for reflective display devices. The luminance enhancement structure comprises columns and grooves, wherein said grooves have a triangular cross-section and the pitches of the structure vary. The structure not only can enhance the brightness of a display device, but also can reduce the Moiré effect of the display device.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: May 5, 2015
    Assignee: E Ink California, LLC
    Inventor: Craig Lin
  • Piezo electrophoretic display
    Patent number: 9025238
    Abstract: The invention is directed to a variety of designs of piezo electrophoretic displays which may be driven without connecting to a power source. The piezo-electrophoretic display comprises an electrophoretic layer, a conductor layer, and a layer of piezo material. The processes for manufacturing the piezo electrophoretic displays are also provided.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: May 5, 2015
    Assignee: E Ink California, LLC
    Inventors: Bryan Hans Chan, Craig Lin, HongMei Zang
  • Driving methods for electrophoretic displays employing grey level waveforms
    Patent number: 9019318
    Abstract: This application is directed to driving methods for electrophoretic displays. The driving methods comprise grey level waveforms which greatly enhance the pictorial quality of images displayed. The driving method comprises: (a) applying waveform to drive each pixel to the full first color then to a color state of a desired level; or (b) applying waveform to drive each pixel to the full second color then to a color state of a desired level.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: April 28, 2015
    Assignee: E Ink California, LLC
    Inventors: Robert A. Sprague, Craig Lin, Tin Pham, Manasa Peri
  • Driving system for electrophoretic displays
    Patent number: 9019197
    Abstract: This application is directed to a driving system for an electrophoretic display. The driving system can reduce the memory space required for driving an electrophoretic display.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: April 28, 2015
    Assignee: E Ink California, LLC
    Inventor: Craig Lin
  • Driving method for electrophoretic displays
    Patent number: 9013394
    Abstract: This application is directed to an electrophoretic display device in which the common electrode is not connected to a display driver. The driving method suitable for such a display device provides a low cost solution for many display applications.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: April 21, 2015
    Assignee: E Ink California, LLC
    Inventor: Craig Lin
  • DRIVING METHODS FOR COLOR DISPLAY DEVICE
    Publication number: 20150097877
    Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics.
    Type: Application
    Filed: October 6, 2014
    Publication date: April 9, 2015
    Inventors: Craig LIN, Jo-Cheng Huang, Heng-Che Chen, Peter Laxton, Ming Wang, Ping-Yueh Cheng, HongMei Zang
  • Color display devices
    Patent number: 8976444
    Abstract: The present invention is directed to a color display comprising an electrophoretic fluid comprising two types of pigment particles of contrasting colors and carrying opposite charge polarities dispersed in a clear and colorless solvent, wherein said electrophoretic fluid is sandwiched between a common electrode and a plurality of colored sub-pixel electrodes or colored pixel electrodes.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: March 10, 2015
    Assignee: E Ink California, LLC
    Inventors: Xiaojia Zhang, Craig Lin, Robert A. Sprague
  • Color display device
    Patent number: 8964282
    Abstract: The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of pigment particles, having different levels of size, threshold voltage or charge intensity.
    Type: Grant
    Filed: May 1, 2013
    Date of Patent: February 24, 2015
    Assignee: E Ink California, LLC
    Inventors: Ming Wang, Yu Li, Hui Du, Xiaojia Zhang, Craig Lin