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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


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... 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. The resulting fluid can improve... 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... E Ink California Llc

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. In some embodiments, the fatty acids are perfluorinated, or partially fluorinated. In some embodiments, the branched... 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

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... E Ink California Llc

Color display device

The present invention is directed to a color display device in which each pixel can display at least six high-quality color states, and an electrophoretic fluid for such an electrophoretic display. The different types of particles exhibit different levels of attraction force to display different color states.... E Ink California Llc

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. The zeta... E Ink California Llc

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... E Ink California Llc

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. The third type of particles has the same color as the first or the... E Ink California Llc

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. The third type of particle is larger in diameter than the first and second... E Ink California Llc

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

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... E Ink California Llc

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. More specifically, the driving method comprises first driving all pixels towards a color state by modulating only the... E Ink California Llc

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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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with E Ink California Llc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for E Ink California Llc with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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