Sipix Imaging, Inc.

E Ink California, LLC

Etansi Inc.

Sipix Chemical Inc.

Xiaojia Wang

Rong-Chang Liang

Hongmei Zang

Zarng-Arh George Wu

Robert Arthur Sprague

Haiyan Gu

Yi-Shung Chaug

Yajuan Chen

Jack Hou

Xianhai Chen

Xin Weng

Gary Kang

Hui Du

Fei C Wang

Scott C-j Tseng

Mary Chan-Park

Gary Yih-Ming Kang

Jeanne E Haubrich

Sean Kiluk

Jerry Chung

Scott C J Tseng

Cheri Pereira

Hong-Mei Zang

Mary B Chan-Park

Scott Tseng

Craig Lin

HongMei Zang

Ming Wang

Yu Li

Andrew C Ho

Roman A Ivanov

David R Morris

Jing-Den Chen

Xin Huo

Kai-Chia Feng

Chia-Pu Chang

Yayong Liu

Tina Wu

Feng Y Dai

Cheri Pereria

Pei-Lin Wang

Chenhang Sun

The present invention is directed to an electrophoretic display fluid, in particular, pigment particles dispersed in a solvent or solvent mixture, and methods for their preparation. The pigment particles generated, according to the present invention, are stable in solvent under an electric field and can improve the performance of an electrophoretic display.

Silane-containing pigment particles for electrophoretic display

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.

Adhesive and sealing layers for electrophoretic displays

The present invention is directed to an electrophoretic fluid comprising uncharged or lightly charged neutral buoyancy particles. The resulting fluid can improve not only image stability but also contrast ratio of a display device, without significantly affecting the switching speed. The present invention is also directed to an electrophoretic display comprising display cells filled with the electrophoretic fluid.

Additive for improving optical performance of an electrophoretic display

This invention relates to an electrophoretic display fluid comprising a non-mobile or semi-mobile phase and two types of charged pigment particles dispersed in a solvent or solvent mixture, and an electrophoretic display device utilizing such an electrophoretic display fluid. The electrophoretic fluid of the present invention provides improved image qualities.

Electrophoretic display fluid

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.

Color display devices

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.

Process for the manufacture of electrophoretic displays

This application is directed to processes for preparing electrophoretic displays and semi-finished display panels comprising display cells prepared from the microcup and top-sealing technologies. The semi-finished display panel comprises an array of display cells sandwiched between two temporary substrate layers, between a temporary substrate layer and a conductor layer or between a temporary substrate layer and a permanent substrate layer, wherein said display cells are filled with an electrophoretic fluid and top-sealed with a polymeric sealing layer formed from a top-sealing composition which is being hardened while on top of the electrophoretic fluid.

Process for preparing a display panel

The invention is directed to methods and compositions useful for improving the performance of electrophoretic displays. The methods comprise adding a conductive filler in the form of nanoparticles and having a volume resistivity of less than about 10ohm cm into at least one electrode protecting layer of the display.

Methods and compositions for improved electrophoretic display performance

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.

Composition and process for the sealing of microcups in roll-to-roll display manufacturing

The present invention is directed to an electrophoretic display fluid, in particular, pigment particles dispersed in a solvent or solvent mixture, and methods for their preparation. The pigment particles generated, according to the present invention, are stable in solvent under an electric field, have desired charge and charge density on the particle surface.

Pigment particles for electrophoretic display

The present invention relates to a process for manufacturing a brightness enhancement structure comprising micro-reflectors. The process comprises forming an array of micro-structures by embossing; and depositing a metal layer over the surface of the micro-structures. The present invention also relates to a process for manufacturing a display device comprising micro-reflectors. The present invention further relates to a display device comprising micro-reflectors and color filters.

Display devices having micro-reflectors and color filters

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.

Adhesive layer composition for in-mold decoration

The invention is directed to novel methods and compositions useful for improving the performance of electrophoretic displays. The methods comprise adding a high absorbance dye or pigment, or conductive particles, or a conductive filler in the form of nanoparticles and having a volume resistivity of less than about 10ohm cm, or a charge transport material into an electrode protecting layer of the display.

The present invention relates to reflective displays and processes for their manufacture.

Reflective displays and processes for their manufacture

This invention relates to a display device comprising a plurality of display cells, wherein said display cells are separated by slanted partition walls. This invention also relates to a display device comprising a plurality of display cells, wherein said display cells are separated by indented partition walls having indented areas. The electrophoretic structures of the present invention may be manufactured by a continuous or semi-continuous roll-to-roll manufacturing process. The structures in which display cells are separated by slanted partition walls or partition walls having indented areas are capable of providing enhanced color states.

Electrophoretic display structures

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Fremont, CA, United States of America

Xiaojia Wang