Abstract: An optical film for reducing color shift is provided in front of a display panel of an LCD device. The optical film includes a background layer, and a plurality of lens parts, which are spaced apart from each other, engraved or embossed on the background layer. The color of light incident on the optical film from the display panel varies depending on the watching angle and the gray level due to birefringence by a liquid crystal in the display panel. The lens parts diffuse light incident thereon and then to mix the diffused light with light passing between the lens parts. The lens parts have a depth to width ratio of 0.25 or more, a spacing to pitch ratio ranging from 0.5 to 0.95, and a pitch of 45 ?m or less. An LCD device may include the optical film.

Abstract: An optical filter provided in front of a display panel of a display device includes a background layer and a color shift-reducing pattern formed to a predetermined thickness at the background layer. The color shift-reducing pattern has a plurality of partial areas, and at least two partial areas of the plurality of partial areas have different light absorptivities and/or light diffusivities. The at least two partial areas may contain different amounts of a light-absorbing material that cause the different light-absorptivities and/or different amounts of a light-diffusing material that cause the different light diffusivities. The color shift-reducing pattern may have first and second partial areas, in which only the first partial area may contain the light-absorbing material, and only the second partial area may contain the light-diffusing material. The light-absorbing material may include a green wavelength-absorbing material that absorbs light having green wavelengths from 510 nm to 560 nm.

Abstract: A liquid crystal display (LCD) having high luminance and color renditions is provided. The liquid crystal display includes a first insulating substrate, a gate line and a data line crossing each other on the first insulating substrate to define a pixel. First and second sub-pixel electrodes divide the pixel into two parts. A first switching element drives the first sub-pixel electrode and a second switching element drives the second sub-pixel electrode. A second insulating substrate faces the first insulating substrate. A color pattern is arranged on the second insulating substrate and overlaps the first sub-pixel electrode. A contrast pattern overlaps the second sub-pixel electrode.

Abstract: A display filter and a display apparatus including the display filter, which can increase a contrast ratio, increase brightness, and have a great electromagnetic (EM) radiation-shielding effect, are provided. The display filter includes: a filter base; and an external light-shielding layer formed on a surface of the filter base, wherein the external light-shielding layer includes a base substrate including a transparent resin and light-shielding patterns spaced apart on a surface of the base substrate at predetermined intervals, and including a conductive material.

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: 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.

Abstract: A display device includes first and second substrates, and first and second alignment keys. The first and second substrates have first and second display regions and first and second peripheral regions, respectively. The first alignment key is disposed in the first peripheral region of the first substrate. The first alignment key includes a first pattern and a second pattern. The second alignment key is disposed in the second peripheral region of the second substrate such that the second alignment key faces the first alignment key. As a result, first alignment key may be formed through a procedure of forming the pixel electrode. Therefore, there exists no deviation between the first alignment key and the pixel electrode and the first alignment key may be easily detected because of the first pattern that is opaque, so that misalignment is prevented.

Abstract: The present invention provides a liquid crystal display (LCD). The LCD includes: a liquid crystal panel that includes a plurality of gate lines; and a gate driver that includes a plurality of stages, which are connected to the gate lines, respectively, and sequentially provide a plurality of gate signals to the gate lines, respectively, and a first dummy stage and a second dummy stage that are separated from each other, wherein the first dummy stage is enabled by a carry signal of one of the stages, and the second dummy stage is enabled by a carry signal of the first dummy stage and initializes each of the stages.

Abstract: A display device includes first and second substrates, and first and second alignment keys. The first and second substrates have first and second display regions and first and second peripheral regions, respectively. The first alignment key is disposed in the first peripheral region of the first substrate. The first alignment key includes a first pattern and a second pattern. The second alignment key is disposed in the second peripheral region of the second substrate such that the second alignment key faces the first alignment key. As a result, first alignment key may be formed through a procedure of forming the pixel electrode. Therefore, there exists no deviation between the first alignment key and the pixel electrode and the first alignment key may be easily detected because of the first pattern that is opaque, so that misalignment is prevented.

Abstract: A liquid crystal display (LCD) having high luminance and color renditions is provided. The liquid crystal display includes a first insulating substrate, a gate line and a data line crossing each other on the first insulating substrate to define a pixel. First and second sub-pixel electrodes divide the pixel into two parts. A first switching element drives the first sub-pixel electrode and a second switching element drives the second sub-pixel electrode. A second insulating substrate faces the first insulating substrate. A color pattern is arranged on the second insulating substrate and overlaps the first sub-pixel electrode. A contrast pattern overlaps the second sub-pixel electrode.

Abstract: A display substrate includes a plurality of transistors, a plurality of color filters, a plurality of pixel electrodes, a plurality of supporting members, and a plurality of filling members. The transistors are connected to a plurality of gate lines extending in a first direction on a base substrate and a plurality of data lines extending in a second direction crossing the first direction. The color filters are disposed over the transistors, and have a plurality of holes. The pixel electrodes are disposed on the color filters, and electrically connect to the transistors. The supporting members are disposed on the color filters, and maintain a gap between the base substrate and a substrate opposing the base substrate. The filling members are comprised of the same material as the supporting members, and fill the holes.

Abstract: An electromagnetic shielding film for a display device includes a transparent, resinous first base, an intaglio pattern formed on at least one side of the first base, and an electromagnetic shielding pattern containing a conductive material with which the intaglio pattern is filled. A method of fabricating an electromagnetic shielding film for a display device, includes the steps of coating a first curable resin on one surface of a transparent backing, forming an intaglio pattern on the first curable resin using a patterning roll and curing the first curable resin, filling the intaglio pattern with a second curable resin containing a conductive material, and curing the second curable resin.

Abstract: An external light blocking film includes a base transmitting external light, and an external light blocking pattern which blocks the external light and is formed at the base. A refraction index of the base is larger than a refraction index of air by more than 0 and not more than 0.56. The base satisfies the following equation: 0°<(?1??2)?35°, where ?1 is an incident angle at which the external light is incident onto the base, and ?2 is an refraction angle at which the external light refracts due to a difference between the refraction index of the base and the refraction index of air.

Abstract: An external light blocking film includes a base of transparent resin and an external light blocking pattern having a plurality of external light blocking parts. The external light blocking part is formed by filling a groove with a light absorption material. One end of the external light blocking part is exposed on a surface of the base, and the other end of the external light blocking part is buried in the base. The one end has a shape of a stripe and the other end has a shape of a zigzag curve when viewed from the front. Furthermore, a method of fabricating an external light blocking film and a filter for a display device having an external light blocking film are provided. The external light blocking film has an excellent ability to absorb external light. A complicated pattern of the external light blocking film can be easily formed without additional machining processes, whereby the fabrication time and cost can be saved.

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 method of fabricating an external light blocking film for a display device is provided. The method includes a step of applying a curable resin in which a photochromic colorant is mixed on a backing of a transparent resin; a step of disposing a photo-mask having a predetermined pattern on the curable resin and then irradiating the photochromic colorant through the photo-mask with light having a first wavelength which makes the photochromic colorant color-changed; a step of removing the photo-mask and then curing the curable resin. The method can improve fabrication efficiency.

Abstract: An optical sheet and a display optical filter which can increase a contrast ratio in a bright room are provided. The optical sheet for the display optical filter includes a transparent substrate including a plurality of pattern grooves formed thereon; and a light shielding pattern formed of a light absorbent material filled in the plurality of pattern grooves. The light shielding pattern may be formed of a material for either absorbing or shielding light filled in the plurality of pattern grooves. In particular, when an external illuminance increases from 0 Lux to 250 Lux, a reduction rate of a color gamut in CIE color coordinates may be 9% or less with respect to NTSC, and the reduction rate of the color gamut is relatively less in comparison with the case where the optical sheet of the present invention is not used.

Abstract: An optical sheet, including: a transparent material; a light absorption pattern formed on a side of the transparent material; and a flexible adhesion layer formed on the side of the transparent material in which the light absorption pattern is formed.

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.