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Contrast Ratio

Contrast Ratio-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Key top and keyboard
Fujitsu Component Limited
January 11, 2018 - N°20180011547

A key top including: a transparent substrate that includes a ceiling part, and a side wall part; a first layer having a chromatic color with transparency that is formed on a top face of the ceiling part and an outer wall of the side wall part or a bottom face of the ceiling part and an inner wall of the ...
Liquid crystal composition and liquid crystal display device
Jnc Petrochemical Corporation
January 11, 2018 - N°20180010044

The invention is to provide a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to ...
Vehicular signal and daytime running light assemblies with uniform illumination
Ford Global Technologies, Llc
January 04, 2018 - N°20180003358

A vehicular signal assembly that includes an inner chamber defined by a substrate comprising led light sources and spaced apart, corresponding fresnel lenses; and an outer chamber defined by the fresnel lenses and an outer lens comprising optical elements. The outer lens can have a width of at least 12 mm. Further, each led source emanates incident light directly through the ...
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Additive particles for improving optical performance of an electrophoretic display
E Ink California, Llc
December 14, 2017 - N°20170357137

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 ...
Method for manufacturing liquid crystal display device
Sharp Kabushiki Kaisha
December 14, 2017 - N°20170355853

The present invention provides a method for manufacturing a liquid crystal display device which requires a reduced light irradiation dose in the alignment treatment for a photo-alignment film and achieves a favorable contrast ratio and a viewing angle property. The method for manufacturing a liquid crystal display device includes, in the following order, the steps of: (1) forming on a substrate ...
Attribution marketing recommendations
Google Inc.
November 30, 2017 - N°20170345048

The present disclosure includes systems and techniques relating to identifying value marketing activities. In some implementations, an apparatus, systems, or methods can include receiving conversion path information including data relating to user interactions with a content item associated with a marketing activity, determining a first attribution credit by applying a first attribution model to the received information, and a second ...
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Method for displaying barcode on active barcode display and electronic device of the same
Arolltech Co., Ltd.
November 23, 2017 - N°20170337407

The disclosure provides a method for displaying a barcode. The method includes: utilizing an electronic device to obtain information; and displaying a barcode on an active barcode display according to the information; wherein when displaying the barcode on the active barcode display of the electronic device, a contrast ratio of black and white bar codes in the barcode is greater ...
Dental materials and methods
3m Innovative Properties Company
November 23, 2017 - N°20170333297

The present application is directed to a dental material and a method of using the dental material. The dental material can include a hardenable resin; an initiator system; a filler; and from about 1 wt % to about 20 wt % zinc compound, based on the weight of the hardenable resin. The contrast ratio of the cured dental material increases by at least about 10 ...
Ultraviolet curable white ink composition for inkjet printing, method for preparing white bezel pattern using ...
Lg Chem, Ltd.
November 09, 2017 - N°20170321073

The present invention relates to an ultraviolet curable white ink composition for inkjet printing comprising a pigment dispersion, a binder solution, a monofunctional monomer and a photoinitiator and, more particularly, to an ultraviolet curable white ink composition for inkjet printing which, at the time of forming a pattern, has a thickness of 30 μm or less and a contrast ...
Display device and electronic device
Semiconductor Energy Laboratory Co., Ltd.
October 26, 2017 - N°20170309249

A dark portion in an image seen by a viewer is expressed more precisely, whereby the image given a greater sense of depth is displayed. A display device in which pixels each include a light-emitting module capable of emitting light having a spectral line half-width of less than or equal to 60 nm in a response time of less than or ...
Color filter substrate and fabrication method thereof, oled structure, related display panel, and related display ...
Boe Technology Group Co., Ltd
October 12, 2017 - N°20170294614

The present disclosure provides a color filter substrate used in an organic light-emitting diode (oled) or liquid crystal (lc) display structure for improving a contrast ratio and light output. The color filter substrate includes a substrate; a color filter layer comprising a plurality of pixel units; and a reflective metallic matrix comprising a plurality of reflective metallic matrix elements surrounding ...
Electro-optic guest-host liquid crystal variable transmission filter with wide viewing angle
Lc-tec Displays Ab
September 28, 2017 - N°20170276960

A variable transmission filter combines in optical series first and second guest-host liquid crystal devices arranged such that one of them is rotated 180° about its normal axis with respect to the other one. The reverse arrangement of the liquid crystal directors of the first and second guest-host liquid crystal devices improves the viewing angle range of the variable transmission ...
Display device, module, and electronic device
Semiconductor Energy Laboratory Co., Ltd.
September 21, 2017 - N°20170269440

A high-definition liquid crystal display device is provided. A liquid crystal display device with a high aperture ratio is provided. A liquid crystal display device with a high contrast ratio and display quality is provided. A liquid crystal display device capable of being driven at a low voltage is provided. The display device includes, between a pair of substrates, a ...
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Contrast Ratio Patent Applications
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Liquid crystal composition and liquid crystal display device
Jnc Petrochemical Corporation
August 10, 2017 - N°20170226423

Provided is a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature, a low minimum temperature, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or has a suitable balance regarding at least two of the characteristics; and an am device ...
Method to improve the contrast ratio in a theatre
Dolby Laboratories Licensing Corporation
August 10, 2017 - N°20170225093

A light absorbing configuration for a venue in which images are projected to a display screen located at or near a front of the venue, may comprise a light absorbing structure deployed on one or more front portions on one or more of a ceiling, side walls, or a floor of the venue. The light absorbing structure comprises grooves formed ...
Image capturing terminal and image capturing method
Yulong Computer Telecommunication Scientific (shenzhen) Co., Ltd.
August 03, 2017 - N°20170223256

Provided is an image capturing method and an image capturing terminal. The terminal includes a first camera module, a second camera module, and a processing module. The first camera module and the second camera module are used for framing concurrently a same scene. The resolution of an image outputted by the first camera module is greater than the resolution of ...
Gamma setting system of display device and gamma setting method thereof
Yulong Computer Telecommunication Scientific (shenzhen) Co., Ltd.
August 03, 2017 - N°20170223233

The present invention provides a gamma setting system for a display device including: an optical measuring unit measuring an optical property of a display device including an emissive display panel having red, green and blue sub-pixels; a control center performing a null setting step and an automatic setting step using the optical property of the display device; a system driving ...
Polyhydroxy compositions for sealing electrophoretic displays
E Ink California, Llc
July 20, 2017 - N°20170205649

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. Additionally, the polyhydroxy compounds can migrate into the ...
Surfactants for improving electrophoretic media performance
E Ink California, Llc
July 20, 2017 - N°20170205626

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.
Branched polyol additives for electrophoretic media
E Ink California, Llc
July 20, 2017 - N°20170204047

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 polyol will include oligomers of polypropylene oxide or polyethylene oxide. ...
Image capturing terminal and image capturing method
Yulong Computer Telecommunication Scientific (shenzhen) Co., Ltd.
July 13, 2017 - N°20170201673

An image capturing terminal includes a first camera module, a second camera module, and a processing module. The first camera module and the second camera module are used for framing concurrently a same scene and for detection and analysis according to contrast ratios of different frames of images, in which a focus search range includes a first focus area and ...
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