Abstract: This invention relates to an electrophoretic display comprising isolated cells of well-defined shape, size and aspect ratio which cells are filled with charged pigment particles dispersed in a solvent, a backlight and optionally a background layer. The display may have the traditional up/down switching mode, an in-plane switching mode or a dual switching mode.
Type:
Grant
Filed:
August 19, 2002
Date of Patent:
June 15, 2004
Assignee:
SiPix Imaging, Inc.
Inventors:
Rong-Chang Liang, David Chen, Jerry Chung
Abstract: Photothermally sensitive recording sheets for color imaging are disclosed comprising a transparent support sheet having a thermal slip layer disposed on one surface of the support and a heat sensitive image layer on the opposite surface of the support. A second opaque (paper) or transparent (plastic) sheet is laminated to the color-producing layer. The image layer comprises photohardenable microcapsules containing a photopolymerizable or photocrosslinkable compound, a photoinitiator and a dye precursor and a developer material external to the microcapsules. Image-wise exposure of the recording sheet to actinic radiation causes selective photohardening of microcapsules sensitive to that radiation. Heating the resultant exposed recording sheet to a temperature well above the developer melting point by for example a thermal head allows the developer to selectively permeate the non-photohardened capsules resulting in the development of an image, including full color images.
Type:
Grant
Filed:
May 31, 2001
Date of Patent:
May 25, 2004
Assignee:
SiPix Imaging, Inc.
Inventors:
Rong-Chang Liang, Tienteh Chen, Xuan T. Phan, Hsiu-Pin Chang
Abstract: This invention relates to a method of manufacturing a micro-cup array. Such an array may find use in a number of applications such as, for example, a video display. The micro-cups find particular use in electrophoretic or liquid crystal displays.
Type:
Grant
Filed:
June 28, 2000
Date of Patent:
January 6, 2004
Assignee:
SiPix Imaging, Inc.
Inventors:
Rong-Chang Liang, Mary Chan-Park, Zarng-Arh George Wu, Xianhai Chen, HongMei Zang
Abstract: A process for forming a patterned conductive structure on a substrate is disclosed. A pattern is printed with a material, such as a masking coating or an ink, on the substrate, the pattern being such that, in one embodiment, the desired conductive structures will be formed in the areas where the printed material is not present, i.e., a negative image of conductive structure to be formed is printed. In another embodiment, the pattern is printed with a material that is difficult to strip from the substrate, and the desired conductive structures will be formed in the areas where the printed material is present, i.e., a positive image of the conductive structure is printed. The conductive material is deposited on the patterned substrate, and the undesired area is stripped, leaving behind the patterned electrode structures.
Type:
Application
Filed:
April 23, 2003
Publication date:
October 30, 2003
Applicant:
SiPix Imaging, Inc.
Inventors:
Jeanne E. Haubrich, Y. S. Chaug, Zarng-Arh George Wu, Abbas Hosseini, Paul Gendler, Rong-Chang Liang
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:
June 11, 2001
Date of Patent:
April 8, 2003
Assignee:
Sipix Imaging, Inc.
Inventors:
Xianhai Chen, HongMei Zang, Zarng-Arh George Wu, Rong-Chang Liang
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:
Application
Filed:
June 11, 2001
Publication date:
December 26, 2002
Applicant:
SiPix Imaging, Inc.
Inventors:
Xianhai Chen, HongMei Zang, Zarng-Arh George Wu, Rong-Chang Liang
Abstract: The invention relates to a novel sealing composition for the manufacture of an electrophoretic or liquid crystal display, and a sealing process using the composition. The composition allows electrophoretic or liquid crystal cells to be seamlessly sealed and the sealing layer free of any defects.
Abstract: This invention relates to an electrophoretic display or a liquid crystal display and novel processes for its manufacture. The electrophoretic display (EPD) of the present invention comprises microcups of well-defined shape, size and aspect ratio and the microcups are filled with charged pigment particles dispersed in an optically contrasting dielectric solvent. The liquid crystal display (LCD) of this invention comprises well-defined microcups filled with at least a liquid crystal composition having its ordinary refractive index matched to that of the isotropic cup material. A novel roll-to-roll process and apparatus of the invention permits the display manufacture to be carried out continuously by a synchronized photo-lithographic process.
Type:
Application
Filed:
February 15, 2001
Publication date:
December 5, 2002
Applicant:
SiPix Imaging, Inc.
Inventors:
Mary
Chan-Park
, Xianhai
Chen
, Zarng-arh
George
Wu
, Xiaojia
Wang
, Hong-Mei
Zang
, Rong-Chang
Liang
Abstract: This invention relates to a novel composition suitable for use in the manufacture of electrophoretic display cells. The mechanical properties of the cells are significantly improved with this composition in which a rubber material is incorporated.
Type:
Application
Filed:
April 23, 2001
Publication date:
November 28, 2002
Applicant:
SiPix Imaging, Inc.
Inventors:
Xianhai Chen, Mary B. Chan-Park, Xiaojia Wang, Rong-Chang Liang
Abstract: Photothermally sensitive recording sheets for color imaging are disclosed comprising a transparent support sheet having a thermal slip layer disposed on one surface of the support and a heat sensitive image layer on the opposite surface of the support. A second opaque (paper) or transparent (plastic) sheet is laminated to the color-producing layer. The image layer comprises photohardenable microcapsules containing a photopolymerizable or photocrosslinkable compound, a photoinitiator and a dye precursor and a developer material external to the microcapsules. Image-wise exposure of the recording sheet to actinic radiation causes selective photohardening of microcapsules sensitive to that radiation. Heating the resultant exposed recording sheet to a temperature well above the developer melting point by for example a thermal head allows the developer to selectively permeate the non-photohardened capsules resulting in the development of an image, including full color images.
Type:
Application
Filed:
May 31, 2001
Publication date:
October 24, 2002
Applicant:
SiPix Imaging, Inc.
Inventors:
Rong-Chang Liang, Tienteh Chen, Xuan T. Phan, Hsiu-Pin Chang