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E Ink California Llc patents


Recent patent applications related to E Ink California Llc. E Ink California Llc is listed as an Agent/Assignee. Note: E Ink California Llc may have other listings under different names/spellings. We're not affiliated with E Ink California Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | E Ink California Llc-related inventors


Driving methods and circuit for bi-stable displays

A method for driving a display having a plurality of pixels, where each pixel is capable of displaying a first color or a second color and is sandwiched between a first electrode and a pixel electrode, the method including applying a driving sequence which includes: (a) for a first time period, applying a first voltage potential between the first electrode and each of the pixel electrodes of a first group of pixels, and applying no voltage potential between the first electrode and each of the pixel electrodes of a second group of pixels of the second color, thereby causing the display device to display an image of the first color with a background of the second color; and (b) for a second time period, applying no voltage potential between the first electrode and each of the pixel electrodes of the first group of pixels, and applying a second voltage potential to each of the pixel electrodes corresponding to the second group of pixels, to clear the onetime image created in step (a).. . ... E Ink California Llc

Microcell delivery systems including charged phases and controllers for microcell delivery systems

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 for delivering the active molecules. ... E Ink California Llc

Microcell systems for delivering active molecules

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 active molecules. ... E Ink California Llc

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

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. ... E Ink California Llc

Polymer additives used in color electrophoretic display medium

An electrophoretic medium may be incorporated into an electrophoretic display that includes a dispersion containing a non-polar fluid, a plurality of first charged colored particles, polyisobutylene, and an additive selected from co-polymers of vinyl aromatics and at least one hydrocarbon having 2 to 5 carbons and at least one double bond. The co-polymer and the ratio of the co-polymer to polyisobutylene is selected, such that bistability performance is maintained while improving the color state performance of the display.. ... E Ink California Llc

Color organic pigments and electrophoretic display media containing the same

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. ... E Ink California Llc

Color display device and driving methods therefor

The invention relates to electrophoretic layers containing at least five different particles, and to driving methods for displaying at least five, and in some embodiments, six different colors at each pixel or sub-pixel. The electrophoretic layers may also contain uncharged neutral buoyancy particles, and the driving methods may include special shaking waveform sequences.. ... E Ink California Llc

Electrophoretic dispersion including charged pigment particles, uncharged additive nanoparticles, and uncharged neutral density particles

The present invention is directed to an electrophoretic dispersion comprising charged pigment particles, in particular, an electrophoretic dispersion including both uncharged or lightly charged neutral buoyancy particles and uncharged or lightly charged additive particles. The combination improves the performance of an electrophoretic display, in particular the color state stability over time.. ... E Ink California Llc

Methods for driving four particle electrophoretic display

The present invention provides driving methods for 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.. ... E Ink California Llc

Additive particles for improving optical performance of an electrophoretic display

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. ... E Ink California Llc

Color display device

The present invention provides a realistic solution for a highlight or multicolor display device which can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, having different levels of size, threshold voltage or charge intensity.. ... E Ink California Llc

Driving methods for color display device

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. ... E Ink California Llc

Polyhydroxy compositions for sealing electrophoretic displays

Polyhydroxy sealing formulations for the production of electrophoretic displays, and portions thereof, for example, front plane laminates. When the disclosed polyhydroxy compounds are included in a sealing layer (or in a binder layer), the layer has improved wetting properties, allowing for more consistent application of the layer in a roll-to-roll production process. ... E Ink California Llc

Surfactants for improving electrophoretic media performance

Methods for improving the performance of electrophoretic media with the addition of acetylene surfactants comprising hydroxyl groups. In particular, the described acetylene surfactants reduce ghosting while improving the contrast ratio in electrophoretic displays.. ... E Ink California Llc

07/20/17 / #20170204047

Branched polyol additives for electrophoretic media

Additives for electrophoretic media comprising esters of branched polyols and fatty acids, such as esters of pentaerythritol propoxylate (5/4 po/oh) and stearic acid. The fatty acids may be saturated or unsaturated, branched or unbranched. ... E Ink California Llc

05/18/17 / #20170139304

Color display device

The present invention provides a reflective color display device which can display multiple color states, without the disadvantages associated with previously known color display devices. The display fluid of the present invention comprises (a) black and white electrophoretic particles which are oppositely charged and (b) charged color-generating particles having photonic crystal characteristics, all of which are dispersed in a solvent or solvent mixture.. ... E Ink California Llc

05/18/17 / #20170137632

Methods for modifying zeta potential of electrophoretic particles

The present invention is directed to methods for modifying the zeta potential of an electrophoretic pigment particle. The composite pigment particle comprises at least a core pigment particle and a shell coated over the core pigment particle, wherein the shell is formed from a monomer and a co-monomer. ... E Ink California Llc

04/13/17 / #20170103709

Electrophoretic display device

An electrophoretic display is provided suitable for passive matrix driving. The electrophoretic display comprises three types of particles, with the first and second types of charged particles carrying charges of opposite polarities and have contrasting colors. ... E Ink California Llc

04/06/17 / #20170098417

Passive matrix for electrophoretic displays

The present invention is directed to methods of passively driving an electrophoretic display. The electrophoretic fluid comprises three types of particles wherein two types particles are charged pigment particles having opposite charge polarities and contrasting colors. ... E Ink California Llc

02/16/17 / #20170045798

Color display device

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.. ... E Ink California Llc

02/02/17 / #20170031229

Driving methods for color display devices

The present invention provides driving methods for electrophoretic color display devices. The backplane system used for the driving methods is found to be simpler which renders color display devices more cost effective. ... E Ink California Llc

02/02/17 / #20170031204

Display device with watermark area and non-watermarks area

The present invention is directed to display devices comprising a watermark area and a non-watermark area. The display cells in the watermark area have widths of the partition walls, heights of the partition walls, top opening shapes or display cell sizes which are different from those of the display cells in the non-watermark area. ... E Ink California Llc

01/26/17 / #20170025072

Driving methods for color display devices

The present invention provides driving methods for color displays using electrophoretic fluids comprises four types of particles to display four colors at each pixel. Methods are also provided for displaying mixtures of certain pairs of colors at each pixel.. ... E Ink California Llc








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