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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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Liquid crystal composition and liquid crystal display device thereof
Jiangsu Hecheng Display Technology Co., Ltd.
April 19, 2018 - N°20180105747

Provided is a liquid crystal composition, comprising: one or more compounds of general formula i accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula ii accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula iii accounting for 1-20% of the ...
Backlight module and liquid crystal display
Shenzhen China Star Optoelectronics Technology Co., Ltd.
April 12, 2018 - N°20180101061

A backlight module and a liquid crystal display are disclosed. The backlight module includes: a back plate including multiple concave units arranged as a matrix; and a light source disposed at an inner bottom surface of each concave unit. Through above way, the present invention is capable of increasing the light controlling ability of the liquid crystal display and increasing ...
Lightguide assembly for electronic display
Amazon Technologies, Inc.
March 29, 2018 - N°20180088270

A display device using specular reflection, such as an electrowetting display, includes a lightguide having internal optics that direct light propagating through the lightguide onto a reflective surface of the display device so that the light is reflected at an angle that improves the illumination and/or contrast ratio of an image displayed to a viewer. Various cavity shapes for ...
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Liquid crystal display device and method of manufacturing the same
Lg Display Co., Ltd.
March 08, 2018 - N°20180067365

Provided is a method of manufacturing new liquid crystal display device according to an embodiment of the present invention. Firstly, an alignment film is formed on a substrate. The alignment film is divided into a first alignment film formed using, as a precursor, liquid-state polyimide that contains a photodecomposition substance and a second alignment film formed using, as a precursor, ...
Enhanced configuration of a profile photo system
International Business Machines Corporation
March 01, 2018 - N°20180061017

Embodiments can provide a computer implemented method in a data processing system comprising a processor and a memory, the memory comprising instructions that are executed by the processor to cause the processor to implement a system for providing profile photo enhancement, the method comprising receiving, from a specification source, one or more specifications for image acceptance criteria; receiving, from an ...
Optical film for improving contrast ratio, polarizing plate including same, and liquid crystal display device ...
Samsung Sdi Co., Ltd.
February 15, 2018 - N°20180045876

An optical film for improving contrast ratio, a polarizing plate including the same, and a liquid crystal display including the same are disclosed. The optical film for improving contrast ratio includes: a base layer and a contrast ratio improvement layer formed on the base layer, wherein the contrast ratio improvement layer includes a high refractive index resin layer including a ...
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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 ...
Liquid crystal composition and liquid crystal display device
Jnc Petrochemical Corporation
December 28, 2017 - N°20170369782

To provide a liquid crystal composition having at least one or a suitable balance regarding two of characteristics such as high maximum or low minimum temperature of a nematic phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, large specific resistance, high stability to ultraviolet light or heat and a large elastic constant; and an am device including the composition ...
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 ...
Display panel, method of manufacturing the same and display device
Boe Technology Group Co., Ltd.
September 07, 2017 - N°20170256751

A display panel and a manufacturing method thereof and a display device are disclosed. The display panel includes a light emitting layer and a light filter pattern corresponding to the light emitting layers. The light filter pattern is arranged on the corresponding light emitting layer, the light filter pattern has a specific transmission spectrum; the light filter pattern is configured ...
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