E Ink California, LLC

Winner Water Services, Inc.

Amazon Technologies, Inc.

Sipix Imaging, Inc.

Sipix Technology, Inc.

Bayer Healthcare LLC

E Ink Corporation

Vioptix, Inc.

Ming Wang

Hui Du

Craig Lin

Yu Li

HongMei Zang

Xiaojia Zhang

Robert Arthur Sprague

Haiyan Gu

Peter B Laxton

Roman A Ivanov

Ping-Yueh Cheng

Heng-Che Chen

Lin Shao

Jo-Cheng Huang

Xin Liu

Wei-Ho Ting

Hongmei Zang

Bruce F Monzyk

Bryan K Chan

Satya P Chauhan

Ruey K Bruce

Vladimir Sofiyev

F Michael Von Fahnestock

James Kevin Rose

Tenisha Highsmith

H Nick Conkle

Weihsin Hou

Feng Li

Lei Liu

Lai Wang

Xiaorong Xu

Xuefeng Cheng

Shuoming Zhou

Guobao Hu

James K Rose

Chengzhi Zhang

Xiaojia Wang

Eric Gifford Marason

Yajuan Chen

Shan Cheng

Mingbao Zhang

Andreas Stolle

Lei Zhu

Anoop Menon

Xin Ma

William H Bullock

Yamin Wang

Derek B Lowe

Philip L Wickens

Tin Quang Pham

Yih-Ming Kang

Manami Tsutsumi

Manasa Peri

Donald A Schultz

Hai-Jun Zhang

James N Livingston

Hui Chen

Yuyan Hua

Cheng-Yuan Lai

Jung-An Cheng

Zoran Topalovic

Tyau-Jeen Lin

Renfu Cheng

Chung Hui Lee Liu

Bryan Hans Chan

Philip D Coish

Ingo A Mugge

An electrophoretic display medium includes a front and a rear electrode, at least one of the front and rear electrodes being transparent, and an encapsulated dispersion fluid containing a plurality of pigments positioned between the front and rear electrode. The plurality of pigments includes a first and a second type of organic pigment particle. The first type of organic pigment particle has a first color and a first charge polarity. The second type of organic pigment particle has a second color different from the first color and a second charge polarity the same as the first charge polarity. At least one of the first and second types of organic pigment particle includes a silica coating and a polymeric stabilizer covalently bonded to the silica coating.

Color organic pigments and electrophoretic display media containing the same

The present invention is directed to driving methods for driving an electro-optic display device which can display high quality color states. The electro-optic display may have a plurality of display pixels, a first type of pigment particle, a second type of pigment particle, and a third type of pigment particle, wherein the three types of pigment particles have optical characteristics differing from one another, the method may include: (i) driving a display pixel to the color state of the first type of pigment particles or the color state of the second type of pigment particles; (ii) driving the pixel to a grey state between the color state of the first type of pigment particle and the color state of the second type of pigment particles; and (iii) applying at least one pair of opposite driving pulses.

Driving methods with shaking waveform

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, and provides for displaying at a viewing surface not only the colors of the three types of particles but also the colors of binary mixtures thereof.

Driving methods to produce a mixed color state for an electrophoretic display

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.

Color display device including multiple pixels for driving three-particle electrophoretic media

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.

Driving methods for color display device

Driving methods for electrophoretic displays

The present invention is directed to an active molecule delivery system comprising a plurality of microcells wherein each of the microcells has a bottom, the panel has a first area and a second area, and the microcells in the first area have substantially the same bottom thickness and the microcells in the second area have added bottom thicknesses. Such a panel is useful for many applications, such drug administrations.

Active molecule delivery system comprising microcells

An electrophoretic display medium includes a front and a rear electrode, at least one of the front and rear electrodes being transparent, and an encapsulated dispersion fluid containing a plurality of pigments positioned between the front and rear electrode. The plurality of pigments includes a first and a second type of organic pigment particle. The first type of organic pigment particle has a first color and a first charge polarity. The second type of organic pigment particle has a second color different than the first color and a second charge polarity the same as the first charge polarity. At least one of the first and second types of organic pigment particle includes a silica coating and a polymeric stabilizer covalently bonded to the silica coating.

An electrophoretic display including a passive matrix formed of row and column electrodes with an electrophoretic medium including two types of differently-colored charged particles disposed between the row and column electrodes. When the device is driven to a first color state by providing a voltage differential of 15V, the color state is stable for voltage differentials between 15V and &#x2212;5V. The display switches to the second color state when a voltage differential of &#x2212;15V is provided.

Electrophoretic display with passive matrix pixels

An active molecule delivery system whereby active molecules can be released on demand and/or a variety of different active molecules can be delivered from the same system and/or different concentrations of active molecules can be delivered from the same system. The active delivery system includes a plurality of microcells, wherein the microcells are filled with a medium including an active ingredient and charged or magnetic particles. The microcells include an opening, and the opening is spanned by a porous diffusion layer. Because the porous diffusion layer can be blocked with the charged or magnetic particles, the rate at which the active ingredient is dispensed can be controlled with an electric or magnetic field, respectively.

Microcell delivery systems including charged or magnetic particles for regulating rate of administration of actives

Systems, methods, and computer-readable media are disclosed for hybrid displays including electrophoretic displays and organic light emitting diodes. In one embodiment, an example display may include an alternating array with OLED units and EPD units disposed on a substrate, a structural layer defining walls separating each of the EPD units, and a color filter array substrate disposed on a side of the display opposite the substrate. The OLED units may include red OLED units, green OLED units, and blue OLED units, and the color filter array may include red filters, green filters, and blue filters that align with the EPD segments that are adjacent to the red OLED units, the green OLED units, and the blue OLED units, respectively.

Hybrid displays including electrophoretic displays and light emitting diodes

An electrophoretic medium that may be incorporated into an electrophoretic display includes a dispersion that may be contained in a plurality of microcapsules or microcells or a polymeric continuous phase. The dispersion may include a non-polar fluid, a plurality of first charged particles; and an inhibitor of photo-thermally induced polymerization that inhibits potential cross-linking between the particles and/or the microcells or polymeric continuous phase. The inhibitor may be a compound having an unsaturated hydrocarbon ring and at least one of a hydroxyl group, a carbonyl group, and a nitroso group. The plurality of microcells or polymeric continuous phase and a coating of the particles may include a polymeric material that includes (meth)acrylates.

Photo-thermally induced polymerization inhibitors for electrophoretic media

The present invention is directed to an electrophoretic fluid which comprises additive particles. The concentration of the additive particles in the electrophoretic fluid does not exceed 25% by weight and the additive particles are not seen at the viewing side during operation of the display. The resulting fluid can improve optical performance of a display device, such as image stability and contrast ratio. The present invention is also directed to an electrophoretic display comprising the electrophoretic fluid.

Additive particles for improving optical performance of an electrophoretic display

Growing community of inventors

Fremont, CA, United States of America

Ming Wang