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Prism Sheet patents



      
           
This page is updated frequently with new Prism Sheet-related patent applications. Subscribe to the Prism Sheet RSS feed to automatically get the update: related Prism RSS feeds. RSS updates for this page: Prism Sheet RSS RSS


Date/App# patent app List of recent Prism Sheet-related patents
07/10/14
20140193611
 Surface protection film and optical film with surface protection film patent thumbnailSurface protection film and optical film with surface protection film
There are provided an optical surface protection film capable of permitting even a visual inspection of a coated body having a fine roughness, such as a prism sheet, to be performed under the condition that the protection film is attached to the coated body and excelling in adhesion reliability without an optical adverse effect on the coated body, and an optical film with the surface protection film. The optical surface protection film (1) has a base material layer (10) and an adhesive layer (12) stacked on one surface of the base material layer.
07/03/14
20140184926
 Television and electronic apparatus patent thumbnailTelevision and electronic apparatus
According to one embodiment, an electronic apparatus includes a rectangular liquid crystal panel, a light-guide plate, a light bar corresponding a short side of the liquid crystal panel and including a plurality of light-emitting diodes, a reflector on the light-guide plate, a prism sheet on the light-guide plate on a side opposite to the reflector, and a polarizing sheet on the prism sheet configured to diffuse light.. .
06/19/14
20140168574
 Liquid crystal display device patent thumbnailLiquid crystal display device
A liquid crystal display device includes a liquid crystal display panel and a backlight disposed on a back surface of the liquid crystal display panel. A light guide plate, a lower diffusion sheet and a lower prism sheet, are accommodated in a mold.
05/29/14
20140146564
 Backlight unit and display apparatus having the same patent thumbnailBacklight unit and display apparatus having the same
A backlight unit includes a light source part, a light guide plate, a prism sheet, and a reflecting element. The light source part is configured to provide light.
05/22/14
20140139777
 Double-vision backlight module and liquid crystal display device patent thumbnailDouble-vision backlight module and liquid crystal display device
In the embodiments of the invention, a double-vision backlight module and a lcd device are provided. In the embodiments of the present invention, a light-splitting prism sheet is disposed between a diffuser plate and a lcd panel for splitting light.
05/22/14
20140139754
 Projection device patent thumbnailProjection device
A light guide plate receives light, which is emitted from a light source, and emits the light from a light emitting surface. A prism sheet reflects light at a predetermined angle among the light emitted from the light emitting surface, allows the reflected light to enter the light guide plate, and transmits light at another angle thereamong.
05/01/14
20140119049
Backlight unit and display apparatus having the same
A backlight unit includes a light source unit having a light source configured to emit a first light, a quantum dot sheet configured to emit a second light having a different color from the first light, a light guide plate configured to guide a light exiting from the light source unit or the quantum dot sheet, and an optical member including a prism sheet and configured to control the light exiting from the light guide plate. The quantum dot sheet includes a polymer resin and a plurality of first and second quantum dots, which are dispersed in the polymer resin.
04/17/14
20140104870
 Prism sheet, backlight unit including the same, and method of manufacturing the same patent thumbnailPrism sheet, backlight unit including the same, and method of manufacturing the same
A prism sheet includes: a first portion including a prism elongated in a first direction; and a second portion including a prism elongated in a second direction different from the first direction. The second direction is vertical to a light incident surface of a light guide plate of a backlight unit, a light source of the backlight unit faces the light indicent surface of the light guide plate, and the prism sheet overlaps a light emitting surface of the light guide plate..
04/17/14
20140104854
 Prism sheet including light emitting surface with v-shaped grooves patent thumbnailPrism sheet including light emitting surface with v-shaped grooves
A prism sheet includes a light incident surface and a light emitting surface opposite to the light incident surface. The light emitting surface defines a plurality of v-shaped grooves.
02/06/14
20140036203
 Light mixture for a display utilizing quantum dots patent thumbnailLight mixture for a display utilizing quantum dots
Utilization of quantum dots in displays and the location of the quantum dot sheet within the stackup of the backlight can lead to issues such as non-uniform light mixing, non-uniform brightness, and off-axis changes in color. The mismatch between the isotropic nature of light emitted from the quantum dots and the light emitted directly from the light source can be alleviated by utilization of diffusers and prism sheets.
01/23/14
20140022817
Backlight assembly
A backlight assembly includes a light source unit configured to supply light, a light guide plate configured to guide light incident from the light source unit to an upper surface thereof, a reverse prism sheet disposed on the light guide plate and having a prism-shaped lower surface and an auxiliary film disposed between the light guide plate and the reverse prism sheet, in which the light guide plate includes a light-incident portion on which light is incident from the light source unit and a light-facing portion facing the light-incident portion.. .
11/21/13
20130308194
Diffuser-integrated prism sheet for backlight units and method of manufacturing the same
A diffuser-integrated prism sheet for backlight units includes: a lower diffuser layer having a light diffusion structure on a lower surface thereof; a lower layer on an upper surface of the lower diffuser layer; an intermediate layer formed on an upper surface of the lower layer and having prism-shaped protrusions; an upper layer on an upper surface of the intermediate layer; and an upper diffuser layer formed on an upper surface of the upper layer and having a light diffusion structure on an upper surface of the upper diffuser layer. An air layer is formed between a lower surface of the upper layer and valleys of the prism-shaped protrusions, and ridges of the prism-shaped protrusions and the lower surface of the upper layer are integrated with each other; and the light diffusion structure on the upper surface of the upper diffuser layer includes hemispherical protrusions..
10/31/13
20130286679
Light guide plate and backlight module using the same
A backlight module includes a light guide plate (lgp), a light source, and at least one prism sheet. The lgp includes a light emitting surface, a bottom surface, a light incident surface, and a plurality of first microstructures on the bottom surface.
10/10/13
20130265523
Backlight module and liquid crystal display
A liquid crystal display (lcd) and a backlight module thereof are proposed. The backlight module includes a light guide plate (lgp), a first prism sheet, and a second prism sheet.
10/10/13
20130265512
Liquid crystal display device
A lighting device including a light source, a light guide plate, a first prism sheet which is arranged over the light guide plate, and a second prism sheet which is arranged between the first prism sheet and the light guide plate. The first prism sheet includes first prisms which are formed parallel to each other in the first direction on a first surface which is opposite to the second prism sheet, and the second prism sheet includes second prisms..
09/26/13
20130249961
Non-spectacled stereoscopic display apparatus capable of improving optical characteristics
A non-spectacled stereoscopic display apparatus includes a light guide plate, first and second light sources, a single-face prism sheet, a transmissive display panel, a synchronous drive circuit adapted to synchronize the first and second light sources to display parallax images on the transmissive display panel, a phase difference plate, and an optically-modulating structure adapted to receive light emitted from the phase difference plate. The optically-modulating structure includes first and second transparent substrates, a prism array provided on the first transparent substrate, a first transparent electrode layer, a second transparent electrode layer, a liquid crystal layer, and first and second alignment layers for performing an aligning process upon liquid crystal molecules of the liquid crystal layer.
09/12/13
20130235461
Diffuser-integrated prism sheet for backlight units and method of manufacturing the same
A diffuser-integrated prism sheet is provided, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer..
08/29/13
20130222931
Prism sheet and display device
The present invention discloses a prism sheet and a display device comprising the prism sheet for improving performances of a backlight module in a liquid crystal display device. The prism sheet comprises a first substrate and a second substrate, wherein the first substrate comprises a first surface and a second surface opposite to the first surface, and the second surface comprises a plurality of first protrusions arranged in parallel along a first direction; the second substrate comprises a third surface and a fourth surface opposite to the third surface, the third surface comprises a plurality of second protrusions arranged in parallel along the first direction, and the fourth surface comprises a plurality of third protrusions arranged in parallel along a second direction; and the second surface and the third surface are joined by meshing of the first protrusions with the second protrusions..
07/11/13
20130177761
Surface protection film
A surface protective film includes a polyolefin base material layer and an adhesive layer. The adhesive layer has hardness (martens hardness) in a range of 1 n/mm2 to 2.5 n/mm2 and loop tack strength in a range of 0.02 n/25 mm to 0.1 n/25 mm.
07/04/13
20130170188
Prism sheet, backlight unit including the same, and optical display apparatus including the same
A prism sheet includes a base film having one flat surface and an optical refractive section having a plurality of prisms arranged along a first direction to constitute first and second prism parts. The optical refractive section is integrally formed with another surface of the base film that is opposite to the flat surface of the base film, and each of the prisms has a predetermined cross-sectional shape.
06/27/13
20130162933
Electronic device
An electronic device including a display is provided. The display displays a received information content, and the information content has a horizontal direction.
05/16/13
20130121016
Optical film having improved optical performance, and backlight unit comprising the same
The present invention relates to an optical film having improved optical performance and to a backlight unit comprising the same. More particularly, the present invention relates to a microlens array (mla) sheet which comprises a base unit and a lens unit formed on one side of the base unit, wherein the lens unit consists of a plurality of conical lenses.
04/25/13
20130099258
Organic light emitting diode display
An organic light emitting diode (oled) display according to an exemplary embodiment of the invention includes: a display substrate including a plurality of pixel areas; a tilt layer formed on the display substrate of each of the plurality of pixel areas, and having a tilt angle with respect to the display substrate; a first electrode formed on the tilt layer; an organic emission layer formed on the first electrode; a second electrode formed on the organic emission layer; an encapsulation substrate disposed on the second electrode and in parallel with the display substrate; and a prism sheet formed on the encapsulation substrate and having a plurality of prisms.. .
04/18/13
20130095297
Multi-sheet for back light unit and method thereof
A composite sheet for a backlight unit using a printless light guide plate in a liquid crystal display television, which includes a first prism sheet positioned directly on the printless light guide plate, a second prism sheet having a prism pattern formed in a direction orthogonal to a direction of a prism pattern of the first prism sheet, and a protective sheet, where ribs of the first prism sheet are adhered to the lower surface of the second prism sheet, and ribs of the second prism sheet are adhered to the lower surface of the protective sheet. A method of manufacturing the composite sheet for a backlight unit is also provided..
04/11/13
20130088889
Backlight unit and display device having the same
A backlight unit includes a light guide unit, light source units, a prism sheet and a lens sheet. The light guide unit includes opposing first and second edges, a light exiting surface connecting the first and second edges and first and second light guide plates.
03/28/13
20130078425
Method for manufacturing high brightness optical sheet
The present invention relates to a method for preparing an optical sheet comprising the steps of: (a) preparing a transfer film having a single roughened side by coating one side of a first substrate with resin component comprising 100 parts by weight of binder resin and 70 to 130 parts by weight of spherical organic polymer beads, followed by drying; (b) laminating the transfer film preparing in step (a) with an ultraviolet-curable (uv-curable) resin-coated layer, which prepared by coating one side of a second substrate with uv-curable resin, such that the roughened side of the transfer film is facing the uv-curable resin-coated side of the second substrate; and (c) forming a roughened diffusive layer on the single-side of the second substrate having refractive index of 1.41 to 1.59 by curing the laminate obtained in step (b), followed by separating and removing the transfer film, wherein the roughened side of the transfer film has a segment angle of 130 to 150°. The optical sheet prepared by the method of the present invention has high brightness, which can also provide masking of prism sheet pattern, and is safe from surface stains and interface scratches between the sheet and the polarizing plate positioned underneath, thus, can be used as an optical sheet in backlight unit of lcd..
03/21/13
20130070477
Spread illuminating apparatus
An apparatus includes a two-sided prism sheet, and an optical path conversion unit with linear prisms. Each apex angle of the prisms increases the closer the linear prism is formed to the center in the light guide direction, and when a pair of inclined surfaces of each of the prisms has a first inclined surface and a second inclined surface, an inclination angle of the second inclined surface is larger than the one of the first inclined surface.
03/14/13
20130063956
Diffuser-integrated prism sheet for backlight units and method of manufacturing the same
A diffuser-integrated prism sheet is provided. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer.
03/07/13
20130057806
Liquid crystal display device
The liquid crystal display device includes a liquid crystal cell, a backlight device, a first light diffusing layer, a first polarizer, and a second light diffusing layer. The first light diffusing layer includes a light diffusing plate and a prism sheet, and has light distribution characteristics such that a luminance value in a direction of 70 degrees with respect to a normal of a light incidence plane of the liquid crystal cell is 20% or less with respect to a luminance value in a direction of the normal.
02/21/13
20130045381
Multilayer film for supporting optical functional member and method for producing the same, and prism sheet
A prism sheet is provided with a prism member, being an optical functional member, and a multilayer film for supporting the prism member. The multilayer film is provided with a base layer and an adhesive layer.
02/21/13
20130044278
Liquid crystal display device
In a liquid crystal display device, display with a wide viewing angle and high color reproducibility is achieved and superior contrast is obtained. In addition, a viewing angle is enlarged without using a retarder.
02/21/13
20130043608
Method of manufacturing optical member
The purpose of the present invention is to make a change in the chromaticity of an optical member due to use unlikely to occur. A method of manufacturing a prism sheet 23c as an optical member 23 to be used in a backlight unit 12 that supplies light to a liquid crystal panel 11 and transmits light from leds 24 as light sources of the backlight unit 12, includes a step of stabilizing the chromaticity of transmitted light by irradiation with light from chromaticity stabilizing leds 32 as chromaticity stabilizing light sources having a dominant emission wavelength in a blue wavelength region..
01/31/13
20130027971
Dazzle prevention lighting fixture with light guide means to disperse emitted light uniformly
A dazzle prevention lighting fixture includes a holder frame, two light sources bilaterally mounted in the holder frame, and a light guide, which includes a diffuser prism sheet set between the light sources and adapted for diffusing emitted light rays from the light sources into a uniform light source and a back reflection sheet covered on the back side of the diffuser prism sheet and adapted for reflecting the diffused light rays from the diffuser prism sheet toward a predetermined target unit.. .
01/31/13
20130027366
Non-spectacled stereoscopic display apparatus capable of decreasing crosstalk
A non-spectacled stereoscopic display apparatus includes: a light guide plate having a light distributing face, a light emitting face, and first and second light incident faces; first and second light sources disposed on the first and second light incident faces, respectively; a single-face prism sheet disposed on the light emitting face of the light guide plate; a transmissive display panel disposed on a light emitting face of the single-face prism sheet with no air gap therebetween, the transmissive display panel having a polarizing plate opposing the light emitting face of the single-face prism sheet; and a synchronous drive circuit adapted to synchronize the first and second light sources to display parallax images on the transmissive display panel. A polarizing direction of polarization anisotropy of the light emitting face of the single-face prism sheet coincides with a polarizing direction of the polarizing plate..
01/17/13
20130016312
Liquid crystal display device
The liquid crystal display device may include a first electrode; a second electrode facing the first electrode and forming a vertical electrical field together with the first electrode; a blue phase liquid crystal layer provided between the first electrode and the second electrode; and a first prism sheet provided to face the second electrode with the first electrode between the second electrode and the first prism sheet. The first prism sheet changes a path of incident light so that the incident light from the outside obliquely enters the blue phase liquid crystal layer with respect to the vertical electrical field..
01/10/13
20130010234
Optical film and manufacturing method thereof, liquid cristal display apparatus using the optical film
An optical sheet having a single sheet structure for an edge-lighting backlight unit using a printless light guide plate, a method of manufacturing the same, and a liquid crystal display apparatus using the same are provided. The optical sheet having a single sheet structure includes a first prism sheet having a prism pattern formed on the upper surface thereof, and a second prism sheet having a prism pattern formed on the upper surface thereof.


Popular terms: [SEARCH]

Prism Sheet topics: Prism Sheet, Light Guide, Light Guide Plate, Liquid Crystal, Backlight Unit, Liquid Crystal Display, Transparent Electrode, Alignment Layer, Synchronous, Electronic Device, Lens Array, Encapsulation, Light Emitting Diode Display, Ultraviolet, Liquid Crystal Cell

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This listing is a sample listing of patent applications related to Prism Sheet for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent 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 Prism Sheet with additional patents listed. Browse our RSS directory or Search for other possible listings.
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