Abstract: Disclosed herein is a method for preparing a nanophosphor from a metal hydroxy carbonate and a nanophosphor prepared by the method. The method is capable of mass-production of a uniform particle-size nanophosphor with superior dispersibility and enables reduction in preparation costs. The nanophosphor prepared by the disclosed method exhibits high luminescence efficiency.

Abstract: Disclosed herein are a metal hydroxy carbonate nanoparticle-coated phosphor and a preparation method thereof. The phosphor coated with metal hydroxy carbonate nanoparticles exhibit improved thermal stability and an increased luminance lifespan, when applied to display devices, e.g., PDPs and lamps.

Abstract: Disclosed are an indium Tin Oxide (ITO) target, a method for manufacturing the same, a transparent conductive film of ITO, and a method for manufacturing the transparent conductive film of ITO. The ITO target includes at least one oxide selected from the group consisting of Sm2O3 and Yb2O3, wherein an amount of the oxide is about 0.5 wt. % to about 10 wt. % based on the weight of the target.

Abstract: An optical filter for a display device includes a base substrate, an EMI shielding coating formed directly on an upper surface of the base substrate to filter EMI, and a color control resin coating applied directly on a lower surface of the base substrate or an upper surface of the EMI shielding coating. Due to the EMI shielding coating and the color control resin coating formed directly on the base substrate, it is possible to simplify a manufacturing process, improve productivity, and reduce manufacturing costs.

Abstract: A display filter having a gradation, in use for a display device has a display module therein. The display filter includes a base substrate; and a light blocking section having a light blocking material formed on a periphery area of the base substrate to define an effective image-displaying area of the base substrate. The light blocking material blocks light, and at least a portion of the light blocking section becomes gradually darker in a predetermined direction.

Abstract: An optical filter for a display device can be provided with excellent fracture strength without using heat-treated tempered glass. The optical filter is used in the display device having a display module therein and is disposed in front of the display module. The optical filter includes an annealed glass substrate, an optical film laminated on the surface of one side of the annealed glass substrate, and a protective layer formed on the surface of the other side of the annealed glass substrate. The protective layer serves to prevent a substance from being eluted from inside the annealed glass substrate.

Abstract: A display filter includes a base substrate disposed in front of a display module, an optical film laminated on the surface of the base substrate that faces a user, and a hard coating layer formed on the surface of the base substrate that faces the display module. The hard coating layer prevents the base substrate from being deformed.

Abstract: A filter for a display device and a method for fabricating the filter are provided. The filter includes a base including a transparent polymer resin and a color compensation colorant mixed in the transparent polymer resin, an external light blocking pattern formed at the base, and an electromagnetic wave blocking layer formed on the base.

Abstract: A flexible substrate for a display panel and a manufacturing method thereof is disclosed. The flexible substrate may include a first film having a glass cloth located within a first heat-resistant resin, and a second film laminated on at least one side of the first film. The second film may include a second heat-resistant resin. The flexible substrate may further include an intermediate material between the first film and the second film. The intermediate material may be applied to an outer part of the first film and may adhere the first film to the second film.

Abstract: A display filter and a display apparatus including the display filter, which can increase a contrast ratio in a bright room, and prevent a moiré phenomenon and a Newton's ring phenomenon, are provided. The display filter includes: a filter base; an external light-shielding layer comprising a base substrate including a transparent resin and light-shielding patterns spaced apart on a surface of the base substrate at predetermined intervals; and a diffusion layer diffusing a light provided from a panel assembly.

Abstract: A multilayer thin film for a photovoltaic cell includes a plurality of low-refractivity thin film layers and a plurality of high-refractivity thin film layers alternately coating a transparent substrate. The thickest layer of the low-refractivity thin film layers is thicker than all of the high-refractivity thin film layers and is one and half times thicker than all of the other layers of the low-refractivity thin film layers.

Abstract: A method for manufacturing an indium tin oxide (ITO) target and methods for preparing indium oxide powder (In2O3) and tin oxide powder (SnO2). The method for manufacturing an ITO (indium tin oxide) target includes preparing an In2O3 powder having a surface area of about 10-18 m2/g and an average particle diameter of between about 40 to 80 nm; preparing a SnO2 powder having a surface area of about 8-15 m2/g and an average particle diameter of about 60-100 nm; molding a mixture of the In2O3 powder and the SnO2 powder; and sintering the mixture at atmospheric pressure under oxidation atmosphere. The ITO target is applicable for a high-quality, transparent electrode for a display, such as a liquid crystal display, electroluminescent display, or field emission display.

Abstract: The present invention relates to an apparatus for detecting particles on a glass surface and a method thereof, and more specifically, to an apparatus for detecting particles on a glass surface and a method thereof for exactly inspecting particles which may be created on a glass surface where micro circuits are deposited. The apparatus for detecting the particles on the glass surface in accordance with the present invention comprises laser beam irradiators for detecting particles on a glass substrate on upper and lower sides of the glass substrate at certain intervals, respectively, and wherein the irradiators are configured so that beams emitted from the laser beam irradiators can be irradiated in a direction vertical to a transferring direction of the glass substrate, thereby exactly detecting particles detached to the glass surface without exception.

Abstract: An optical member of an optical filter provided for a display device includes a colorant which can selectively absorb light with a predetermined wavelength. The optical member satisfies a following expression: 0??E*=?{square root over (?a*2+?b*2)}<5, where ?E* indicates the difference between reflected color and transmitted color under D65 standard light source. a* and b* correspond to achromatic colors satisfying following expressions: ?2.0?a*?2.0, and ?2.0?b*?2.0. An optical member of an optical filter provided for a display device includes a colorant which can selectively absorb light with a predetermined wavelength. The colorant may be a non-fluorescent colorant. The colorant includes a color adjusting colorant and a neon-cutting colorant. An optical filter for a display device includes this optical member.

Abstract: An external light-shielding layer capable of enhancing a visible light transmittance and a contrast ratio and preventing Moire fringe and Newton ring phenomena, a display filter including the external light-shielding layer, and a display device including the display filter. The external light-shielding layer includes a transparent resin matrix, and a plurality of light-shielding patterns formed on the transparent resin matrix and spaced apart from each other in a predetermined interval, wherein a bias angle (?) formed between a traveling direction of the light-shielding patterns and the longer side of the matrix is in a range of about 5 to 80 degrees.

Abstract: A display filter for a display device can reduce moiré patterns and remove air pollutants. The display filter includes a transparent substrate located in front of a display module of the display device and an anti-glare layer provided at a front of the display filter which is exposed to the outside. The anti-glare layer contains photo-catalyst particles as filler.

Abstract: A display filter for a display device having a display module includes a base substrate disposed in front of the display module, at least one optical filter layer layered on the base substrate, and an indoor air purification layer layered on an outwardly exposed side of the display filter and removing indoor air pollutants.

Abstract: An external light shielding film including a lens pattern formed on a surface of a base substrate and including a plurality of aspheric lenses, and an external light shielding pattern formed on another surface of the base substrate, and a display filter having the same, are provided. The external light shielding film and the display filter having the same may increase a contrast ratio in a bright room, enhance brightness, and increase a viewing angle.

Abstract: Disclosed is an external light shielding film. The external light shielding film comprises a transparent substrate; and an external light shielding pattern formed on a surface of the transparent substrate and including a plurality of external light shielding parts. Each of the plurality of external light shielding parts has a polymer resin and at least one color-changeable colorant. The color of the plurality of external light shielding parts may vary according to an external heat source or vary depending on an intensity of an external light source, thereby improving a contrast ratio in a bright room, and a specific color may be visible even when the power of the display apparatus is OFF, thereby achieving an interior decorative effect.

Abstract: An optical filter for compensating for color shift is provided in front of a display panel of a display device. The optical filter includes a background layer and a green wavelength absorption pattern provided with a predetermined thickness on the background layer. The green wavelength absorption pattern absorbs a green wavelength of light. The green wavelength absorption pattern contains a material that absorbs a green wavelength of light in the range of 510 nm to 560 nm, and can also contain a white light absorbing material. A green's complementary color absorbing part absorbs a wavelength of light complementary to green, and contains at least one of a material absorbing a blue wavelength of light in the range of 440 nm to 480 nm and a material absorbing a red wavelength of light in the range of 600 nm to 650 nm. A first thick-film layer, a first thin-film layer, and a second thick-film layer are stacked over one another in the order named.