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Class 349/112 - Diffuser (on viewer side of liquid crystal)


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter including a particular light scattering or
No. of patents: 432
Last issue date: 04/10/2012


1                      
NumberTitleIssue Date
8154692Liquid crystal display device
A liquid crystal display device of the present invention includes a liquid crystal display panel, and a light diffusing layer which has first and second major surfaces and which is arranged such that the first major surface opposes a viewer side surface of the liqui...
04/10/2012
8154691Altering surfaces of display screens
A matte surface of a display screen is converted to an optically flat surface, for example, via an epoxy resin coating or the like which has a refractive index equal to that of the matte surface. A film with a substantially flat surface may be applied to the matte s...
04/10/2012
8134661Reflection-type liquid crystal display device
To suppress a decrease in the contrast caused by the reflection on the interface to the air layer without decreasing the quality of display. A reflection-type liquid crystal display device includes a light guide plate having a polarizing element stuck or adhered the...
03/13/2012
8134660Optical diffusion device, projection screen, design member and security medium
The present invention provides an optical diffusion device, which can exhibit discontinuously different optical properties only in desired regions without creating any difference in grades and/or breaks, facilitate control of the optical diffusion properties, and pr...
03/13/2012
8064012Liquid crystal display device
A liquid crystal display device includes a liquid crystal display panel; a first polarizer on a first surface of the liquid crystal display panel; a second polarizer on a second surface of the liquid crystal display panel; and a first light path control film on a fi...
11/22/2011
8049845Optical diffusion device
An optical diffusion device applied in a backlight module includes a plate. Multiple light sources are disposed on one side of the plate. Multiple optical microstructures provided with a longer axis and a shorter axis are disposed on the plate. The longer axis of ea...
11/01/2011
8031302Directional diffusion film, polarizing plate, liquid crystal display, and method of manufacturing directional diffusion film
A directional diffusion film with diffusion properties that vary depending on the incidence angle is characterized in that a diffusion axis direction is in the range of 20° to 50° with respect to a normal direction of the film, and a diffusion half-value angle is ...
10/04/2011
7956959Display device and method of manufacturing of the same
A display device includes: a back light unit for emitting a light; a lower polarization plate on the back light unit; a liquid crystal display panel on the lower polarization plate for displaying an image; an upper polarization plate on the liquid crystal display pa...
06/07/2011
7956960Display panel and method for manufacturing the same and electro-optical device including the display panel and method for manufacturing the same
A display panel and a manufacturing method are disclosed. The method is to thin the thickness of a pair of transparent substrates for the display panel by grinding or lapping only, or grinding with simplified polishing, so that at least one of the outer surface of t...
06/07/2011
7872711Optical sheet for TFT-LCD back light unit and liquid crystal display having the optical sheet
The present invention relates to an optical sheet for a backlight unit of a TFT-LCD and a TFT-LCD including the same. The optical sheet of the present invention includes a transparent base sheet, and a light diffusion layer in which a diffusion pattern comprised of ...
01/18/2011
7834963Optical integrator
A method of manufacturing an optical integrator panel is provided. The method comprises the steps of: suspending a plurality of elongate particles in a liquid; applying an electric or magnetic field to the suspension to orientate the particles with parallel longitud...
11/16/2010
7804564Wide angle diffuser having a plurality of microlenses and a plurality of prisms having a truncated pyramid shape and LCD employing the same
Provided is a wide angle diffuser including a plate-shaped body, a plurality of microlenses, and a plurality of prisms. The plate-shaped body has an incident surface on which light is incident and an exit surface through which light is emitted form the plate-shaped ...
09/28/2010
7800719Display
To provide a display which can improve viewing angle dependency of a contrast ratio at least in a specific azimuth without design change of a basic structure of a display element, limitation to white display state or black display state, and deterioration in display...
09/21/2010
RE41566Optical film and liquid crystal display device using the film
The liminance within the viewing angle of an LCD device is increased by using an optical film of transparent material. The film has a first surface having a wave structure including a plurality of isosceles triangle prisms arranged side-by-side, and a second surface...
08/24/2010
7768602Light diffusing article with GRIN lenses
A light diffusing article that has, on at least one surface, convergent lens particles or divergent lens particles. ...
08/03/2010
7738061Display panel and method for manufacturing the same and electro-optical device including the display panel and method for manufacturing the same
A display panel and a manufacturing method are disclosed. The method is to thin the thickness of a pair of transparent substrates for the display panel by grinding or lapping only, or grinding with simplified polishing, so that at least one of the outer surface of t...
06/15/2010
7683986Anisotropic scattering film for improving the viewing angle dependency of a liquid crystal display
The invention aims at providing a display which can improve viewing angle dependency of contrast ratio in a wide azimuth without changing design of a basic structure of a display element, impairing display quality in a direction showing large contrast ratio and bein...
03/23/2010
7586566Brightness enhancing film and display device having the same
A brightness enhancing film suitable for use in a display device is disclosed herein. The film comprises: a first polymeric layer having a microstructured surface, wherein the microstructured surface comprises an array of prism elements, and a second polymeric layer...
09/08/2009
7583335Liquid crystal display device
A liquid crystal display device comprising: a first substrate (1) made of a transparent material, provided with signal electrodes and/or display electrodes (9) formed on one face thereof; a second substrate (2) made of a transparent material, pr...
09/01/2009
7573549Optical device, polarizing plate, diffuser, diffusing film, polarizing film and liquid crystal image display apparatus
An optical device includes a plastic-based film and a diffusing layer. The diffusing layer includes inner scattering elements that selectively scatter visible light having a wavelength range, and has pencil hardness of more than 2H under a 500 g-load specified in IS...
08/11/2009
7483097Anti-Newton's ring backlight module and liquid crystal module using the same
An anti-Newton's ring backlight module and liquid crystal display using the same has a housing, a light guide plate, multiple optical films, an air passage and a adhesive layer. The housing has a top surface, where an internal cavity is formed, and a sidewall having...
01/27/2009
7440050Reflective structure having a directivity of diffuse reflection and apparatus with it
An object of the invention is to provide a reflective structure which can cause diffused reflecting light to have a desired directivity more reliably and an apparatus with it. An optical diffusing reflective structure 1 having an optical reflective layer 2...
10/21/2008
7440049Backlight device for liquid crystal display
A backlight device for a liquid crystal display comprising a light diffuser, a light source disposed behind the light diffuser, and a reflector for reflecting light from the light source, in which a liquid crystal panel is disposed in front of the light diffuser and...
10/21/2008
7423664Transflective liquid crystal display device having alignment film covering plural isolated stacks of resin and diffusive reflective plate layers
A transflective liquid crystal display device with a reflective mode using external light and a transmissive mode using a light source comprising a light source (11) used in the transmissive mode, a liquid crystal panel (12), arranged over the light so...
09/09/2008
7423711Display apparatus
A display apparatus includes first and second oppositely disposed substrates, at least one of which is a transparent substrate, a display layer, disposed between the first and second substrates, for being placed in an optical state switchable between a light transmi...
09/09/2008
7397619Prism sheet having concave pentagonal
A prism sheet having a concave pentagonal structure is disclosed. The prism sheet comprises a base layer, and a prism array disposed on and supported by the base layer. The prism array is composed of a plurality of prisms aligned in parallel and one beside the other...
07/08/2008
7391488Reflection type liquid crystal display device
In a reflection type liquid crystal display device having a front light and a reflection type liquid crystal panel including a reflection electrode of uneven structure, average tilt angles of the uneven structure of the reflection electrode are changed to form a hig...
06/24/2008
7391485Liquid crystal display device using dual light unit and method of fabricating the same
A dual LCD device includes a liquid crystal panel having a liquid crystal layer interposed between a first substrate and a second substrate, first and second polarizing plates attached to opposing surfaces of the liquid crystal panel, a first front light unit attach...
06/24/2008
7382426Liquid crystal display unit having back-light with fluorescent tubes and fresnel lens with longitudinal cuts perpendicular to tubes
A liquid crystal display unit is characterized by comprising a liquid crystal display panel, a back-light instrument for outputting light to the liquid crystal display panel, and a scattering-anisotropic optical instrument disposed on that side of the liquid crystal...
06/03/2008
7379245Articles including films with mating structured surfaces
Articles produced according to the present disclosure include a first film having a structured surface and a second film having a structured surface. The structured surface of the first film is releaseably mated with the structured surface of the second film. In som...
05/27/2008
7374328Optical sheet, and backlight unit and display using the same
In an optical sheet which is used for light control illumination in a backlight unit for a display, in order from an incident side of an illuminating light, there are provided at least a light scattering layer which scatters the illuminating light toward an outgoing...
05/20/2008
7372525Arrangement for pixel array of color filter
The present invention relates to a color filter with mosaic pixel array arrangement. The color filter comprises a plurality of pixel arrays. The pixel array has four sub-pixels. The color of the sub-pixel of the pixel array is identical to that of another sub-pixel ...
05/13/2008
7372510Reflection resistant touch screens
A flexible, non-birefringent cover and a polarizer on the front of a resistive touch panel reduce touch screen image distortion and obscuration resulting from the reflection of ambient light. Reduced reflection of ambient light is also obtained by touch screens of a...
05/13/2008
7371439Antireflection film, polarizing plate and image display device
The present invention can provide an antireflection film improved in the scratch resistance while having a sufficiently high antireflection property, and a polarizing plate and a display device using the antireflection film, the antireflection film antireflection fi...
05/13/2008
7369197Polarizer, panel for a liquid crystal display, and liquid crystal display, including a scattering layer
Red, green, blue color filters are arranged in sequence in pixel areas of an LCD according to the present invention. Filters, which are scattering particles of a scattering layer, are distributed in a net, and they are distributed in a diagonal direction such that t...
05/06/2008
7369192Methods of making and using optical film, light-diffusing film
An embodiment of a method of making an optical film comprises heating the optical film comprising greater than or equal to 80 wt. % polycarbonate to a sufficient temperature to stretch the optical film, wherein the weight percent is based on a total weight of the op...
05/06/2008
7362398Camera and personal computer having a reflection type liquid crystal device with particular dielectric multi-layer film and interlayer insulating films
To provide a novel and extremely effective structure of a liquid crystal display device in which the lowering of reflectivity due to the formation of orientation films can be prevented, a method of manufacturing the display device of the present invention comprises ...
04/22/2008
7359021Display panel and method for fabricating the same
The display panel of this invention includes a pair of glass substrates each with a thickness not less than 0.15 mm and not more than 0.3 mm and a sealing material for bonding the pair of glass substrates to each other. A resin layer is formed on the outer face of a...
04/15/2008
7359011Reflection-type liquid crystal display device
To suppress a decrease in the contrast caused by the reflection on the interface to the air layer without decreasing the quality of display. A reflection-type liquid crystal display device includes a light guide plate having a polarizing element stuck or adhered the...
04/15/2008
7356211Lighting system
A stereoscopic display device is provided. The stereoscopic display device includes an optical waveguide member and a first main surface and a second main surface. The first and second main surfaces face each other. A first light path changing member is provided on ...
04/08/2008
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