Contrast Ratio

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

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Waveguide structure for laser display system
Changhong Research Labs, Inc.
May 18, 2017 - N°20170140709

This disclosure describes a waveguide structure suitable for efficiently distributing light to specific locations on a display area of a display unit. The waveguide structure can include any number of waveguide branches configured to allow light to be delivered to the specific locations in accordance with a display signal received by the display unit. While conventional waveguides are generally configured ...
Vehicular signal and daytime running light assemblies with uniform illumination
Ford Global Technologies, Llc
May 18, 2017 - N°20170138557

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 display device
Jnc Petrochemical Corporation
April 27, 2017 - N°20170114277

The subject is to show a liquid crystal display device that has characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. The disclosure relates to a liquid crystal display device including an electrode group formed on one or both of ...
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Polarization selection color filter and display device having the same
Samsung Display Co., Ltd.
April 13, 2017 - N°20170102588

A polarization selection color filter includes: a first color conversion layer including a plurality of first quantum rods absorbing light of a first wavelength and emitting light of a second wavelength that is longer than the first wavelength; and a second color conversion layer including a plurality of second quantum rods disposed on the first color conversion layer, absorbing the ...
Display and fabricating method thereof, and fabricating method of photosensitive fiilm
Beijing Boe Optoelectronics Technology Co., Ltd.
March 16, 2017 - N°20170075151

The embodiments of the present disclosure provide a display and a fabricating method thereof, and a fabricating method of a photosensitive film. The display comprises: a display screen for displaying a picture, and a photosensitive film disposed on a light emergent surface of the display screen, wherein the photosensitive film is configured to automatically adjust corresponding transmittance according to a ...
Liquid crystal display
Shenzhen China Star Optoelectronics Technology Co., Ltd.
February 16, 2017 - N°20170045778

The liquid crystal display provided by the present invention acquires the light of linear polarization by doping the quantum-dot material in the color resist layer to excite the quantum-dots by the backlight to form the light of a certain light spectrum and cooperating with the anisotropic polarization layer manufactured by organic dye molecules for selectively allowing the light of different ...
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Liquid crystal composition and liquid crystal display device
Jnc Petrochemical Corporation
February 16, 2017 - N°20170044435

To show a liquid-crystal composition having at least one or a suitable balance regarding at least two of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat; and an am device including the composition ...
Liquid crystal composition and liquid crystal display device
Jnc Petrochemical Corporation
February 02, 2017 - N°20170029701

The disclosure shows a liquid-crystal composition having at least one or suitable balance regarding at least two of characteristics such as high maximum temperature of nematic phase, low minimum temperature thereof, small viscosity, suitable optical-anisotropy, large dielectric-anisotropy, large specific resistance, high stability to ultraviolet light and heat; and an am device including the composition and having short response time, large ...
Apparatus and method for measuring quality of holographic image
Electronics And Telecommunications Research Instit Ute
January 26, 2017 - N°20170024890

A method and apparatus for measuring a quality of a holographic image are provided. An image quality measuring method may include acquiring a first image including a holographic image in a background, and a second image that does not include a holographic image, the first image and the second image being on the same background, extracting a gray level value ...
Artificial retinal prosthesis system, optical device and retina chip
National Chiao Tung University
January 12, 2017 - N°20170007835

An artificial retinal prosthesis system comprises an extraocular optical device and an intraocular retina chip. The extraocular optical device receives an external image, converts it into an optical pulse signal, and generates light energy. The intraocular retina chip receives the optical pulse signal from the extraocular optical device and produces an electric simulation signal. The intraocular retina chip includes a ...
Liquid crystal display apparatus
Mitsubishi Electric Corporation
January 05, 2017 - N°20170003555

Provided is a liquid crystal display apparatus capable of preventing a disclination and minimizing a decrease in contrast ratio caused by leakage of light. A counter electrode formed on an array substrate has a plurality of slits within one pixel. The slit which is relatively short has bent edge portions in which edges of the slit are bent. The slits ...
Reclaimed polyethylene composition
The Procter & Gamble Company
January 05, 2017 - N°20170002169

A composition is disclosed that comprises at least about 95 weight percent reclaimed polyethylene. The reclaimed polyethylene comprises less than about 10 ppm al, less than about 200 ppm ti, and less than about 5 ppm zn. The reclaimed polyethylene has a contrast ratio opacity of less than about 70% and the composition is substantially free of odor.
Reclaimed polypropylene composition
The Procter & Gamble Company
January 05, 2017 - N°20170002119

A composition is disclosed that comprises at least about 95 weight percent reclaimed polypropylene. The reclaimed polypropylene comprises less than about 10 ppm al, less than about 5 ppm ti, and less than about 5 ppm zn. The reclaimed polypropylene has a contrast ratio opacity of less than about 15% and the composition is substantially free of odor.
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Articles of reclaimed polypropylene compositions
The Procter & Gamble Company
January 05, 2017 - N°20170002116

An article is disclosed that comprises at least about 95 weight percent reclaimed isotactic polypropylene base resin. The base resin comprises less than about 10 ppm al, less than about 5 ppm ti, and less than about 5 ppm zn. The article is substantially free of odor and the base resin has a contrast ratio opacity of less than about 15%.
Liquid crystal display and method for manufacturing same
Panasonic Liquid Crystal Display Co., Ltd.
December 29, 2016 - N°20160377925

A liquid crystal display is provided which is capable of reducing the occurrence of defective display due to variations in the initial alignment direction of a liquid crystal alignment control film in a liquid crystal display of an ips scheme, realizing the stable liquid crystal alignment, providing excellent mass productivity, and having high image quality with a higher contrast ratio. ...
Liquid crystal composition and liquid crystal display device
Jnc Petrochemical Corporattion
December 29, 2016 - N°20160376506

A liquid crystal composition satisfying at least one characteristic such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to uv light, to heat or the like, or having a suitable balance regarding at least two of the characteristics, and an am device having characteristics such as a ...
Liquid crystal display panel and display device
Boe Technology Group Co., Ltd.
December 22, 2016 - N°20160370656

The present invention relates to a liquid crystal display panel and a display device. The liquid crystal display panel comprises a first substrate and a second substrate assembled in an aligned manner, and further comprises a reflecting layer, a light wavelength conversion layer and a quantum dot layer; the reflecting layer is provided on the second substrate, the quantum dot ...
Liquid crystal display device
Jnc Petrochemical Corporation
December 22, 2016 - N°20160369168

The subject is to show liquid crystal display device that has characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio, a long service life and a small flicker rate. The disclosure relates to a liquid crystal display device including an electrode group formed on one or both of a ...
Electronic device display with switchable film structures
Apple Inc.
December 08, 2016 - N°20160357046

An electronic device may generate content that is to be displayed on a display. The display may have an array of liquid crystal display pixels for displaying image frames of the content. The display may be operated in at least a normal viewing mode, a privacy mode, an outdoor viewing mode, and a power saving mode. The different view modes ...
Transmission device, transmission method, reception device, and reception method
Sony Corporation
November 24, 2016 - N°20160345023

To favorably transmit both of hdr image data and ldr image data. First transmission image data and second transmission image data are divided into layers and encoded, the first transmission image data being obtained by applying photo-electric conversion to first input image data having a contrast ratio of from 0 to 100% to brightness of a white peak of a conventional ldr ...
Display device and electronic device
Semiconductor Energy Laboratory Co., Ltd.
November 10, 2016 - N°20160327803

A display device has an ntsc ratio of higher than or equal to 80% and a contrast ratio of higher than or equal to 500 and includes a display portion. In the display portion, pixels are provided at a resolution of greater than or equal to 80 ppi, and the pixels each includes a light-emitting module capable of emitting light with a spectral ...