Abstract: A liquid crystal display panel and a liquid crystal display (LCD) device are discussed. One monochromatic light is transmitted through a liquid crystal layer and converted into white light having a plurality of wavelengths through upper photo conversion layer, thus improving light transmittance of liquid crystal and reducing a change in a screen color. The liquid crystal display panel includes: first substrate over the backlight unit; a liquid crystal layer over the first substrate to transmit the one monochromatic light; a photo conversion layer over the liquid crystal layer for converting the one monochromatic light into white light; a color filter layer over the photo conversion layer for filtering the converted white light to display color; and a second substrate on the color filter layer.

Abstract: A tiled display device includes a plurality of display devices defining an image display part, the image display part divided into a central portion and an outer edge portion, a support frame tiling the plurality of display devices side by side, and a plurality of light guides, each light guide disposed on each of the display devices, wherein the brightness of an image displayed at the outer edge portion is higher than that of an image disposed at the central portion.

Abstract: A liquid crystal display device and a method of manufacturing the liquid crystal device are disclosed. The liquid crystal display device includes a red subpixel, a green subpixel, a blue subpixel, and a viewing angle controlling subpixel. The red, green, and blue subpixels are driven in a TN method, and the viewing angle controlling subpixel is driven in an ECB method. Therefore, the liquid crystal display device provides flexibility in a security range to a user, and not only can be used for one person but also can be used for two or more persons to view an image of high quality without inconvenience while securing security.

Abstract: A liquid crystal display device and a method for driving the same are provided. The liquid crystal display device includes a first liquid crystal layer selectively driven by a first electric field in a first direction; and a second liquid crystal layer selectively driven a second electric field in a second direction, the second direction being different from the first direction.

Abstract: Provided are an LCD device that can control a viewing angle freely and a manufacturing method thereof. The LCD device includes a first substrate, a second substrate, and an LC layer interposed between the first and second substrates. The LCD device further includes red, green, blue, and viewing angle controlling subpixels. These subpixels are driven in a VA mode. The red, green, and blue subpixels have a transflective structure. The viewing angle controlling subpixel has a transmissive or transflective structure.

Abstract: A display device includes a display cell having a plurality of sub-pixels to make a single image or dual images, and a control cell for passing through the single image, and guiding a first image of the dual images toward a first direction and a second image of the dual images toward a second direction different from the first direction.

Abstract: A liquid crystal display panel and a liquid crystal display (LCD) device are discussed. One monochromatic light is transmitted through a liquid crystal layer and converted into white light having a plurality of wavelengths through upper photo conversion layer, thus improving light transmittance of liquid crystal and reducing a change in a screen color. The liquid crystal display panel includes: first substrate over the backlight unit; a liquid crystal layer over the first substrate to transmit the one monochromatic light; a photo conversion layer over the liquid crystal layer for converting the one monochromatic light into white light; a color filter layer over the photo conversion layer for filtering the converted white light to display color; and a second substrate on the color filter layer.

Abstract: A liquid crystal display device and a method of manufacturing the liquid crystal device are disclosed. The liquid crystal display device includes a red subpixel, a green subpixel, a blue subpixel, and a viewing angle controlling subpixel. The red, green, and blue subpixels are driven in a TN method, and the viewing angle controlling subpixel is driven in an ECB method. Therefore, the liquid crystal display device provides flexibility in a security range to a user, and not only can be used for one person but also can be used for two or more persons to view an image of high quality without inconvenience while securing security.

Abstract: A liquid crystal display device capable of reducing manufacturing costs is disclosed. The liquid crystal display device includes first and second substrates facing each other, a liquid crystal layer filled between the first and second substrates, a first common electrode formed in a first pixel region on the first substrate in correspondence with a first subpixel for emitting a light of a first color, and having a first area, wherein a common voltage is applied to the first common electrode, and a second common electrode formed in a second pixel region on the first substrate in correspondence with a second subpixel for emitting light of a second color different from the first color and having a second area different from the first area, wherein the common voltage is applied to the second common electrode.

Abstract: A liquid crystal display device includes first and second substrates facing each other, a layer of liquid crystal molecules interposed between the first and second substrates, a plurality of color displaying sub-pixels including first, second and third sub-pixels defined on the first and second substrates, first common electrodes in the first, second and third sub-pixels on the first substrate, first pixel electrodes in the first, second and third sub-pixels on the first substrate and alternately arranged with the first common electrodes, color filter layers in the first, second and third sub-pixels on the second substrate, a plurality of viewing angle restricting sub-pixels including fourth, fifth and sixth sub-pixels defined on the first and second substrates, the fourth, fifth and sixth sub-pixels corresponding one-to-one with the first, second and third sub-pixels, second pixel electrodes in the fourth, fifth and sixth sub-pixels on the first substrate, and second common electrodes in the fourth, fifth an

Abstract: A liquid crystal display device includes first and second substrates facing and spaced apart from each other, each of the first and second substrates having a first sub-pixel region, a second sub-pixel region, a third sub-pixel region, a fourth sub-pixel region and a fifth sub-pixel region for adjusting a viewing angle, the first, second, third and fourth sub-pixel regions surrounding the fifth sub-pixel region; a liquid crystal layer between the first and second substrates; a plurality of first pixel electrodes in each of the first, second, third and fourth sub-pixel regions on the first substrate; a plurality of first common electrodes in each of the first, second, third and fourth sub-pixel regions on the first substrate, the plurality of first common electrodes alternating with the plurality of first pixel electrodes; a second pixel electrode in the fifth sub-pixel region on the first substrate; and a second common electrode in the fifth sub-pixel region on the second substrate, the second common electrod

Abstract: A liquid crystal display device and a method of manufacturing the liquid crystal device are disclosed. The liquid crystal display device includes a red subpixel, a green subpixel, a blue subpixel, and a viewing angle controlling subpixel. The red, green, and blue subpixels are driven in a TN method, and the viewing angle controlling subpixel is driven in an ECB method. Therefore, the liquid crystal display device provides flexibility in a security range to a user, and not only can be used for one person but also can be used for two or more persons to view an image of high quality without inconvenience while securing security.

Abstract: A liquid crystal display device includes pixels having a plurality of subpixels. The pixels include data displaying subpixels having a first pixel electrode receiving red, green, and blue data voltages to display an image, and a common electrode to which a common voltage is applied. The pixels further a viewing angle controlling subpixel driven in response to a voltage applied to the common electrode, a side electrode separated from the common electrode, and a second pixel electrode. Each of the subpixels includes a rib distorting an electric field applied to the corresponding liquid crystal layer. The viewing angle controlling subpixel delays a phase of the light from the data displaying subpixels when a voltage having a voltage difference from the common voltage is applied to the side electrode during a narrow viewing angle mode of the liquid crystal display device.

Abstract: Provided are an LCD device that can control a viewing angle freely and a manufacturing method thereof. The LCD device includes a first substrate, a second substrate, and an LC layer interposed between the first and second substrates. The LCD device further includes red, green, blue, and viewing angle controlling subpixels. These subpixels are driven in a VA mode. The red, green, and blue subpixels have a transflective structure. The viewing angle controlling subpixel has a transmissive or transflective structure.

Abstract: A dual-view liquid crystal display device includes a display panel to display images; and a switching panel including first and second regions, the first and second regions controlled to represent a single image or different images displayed on the display panel, wherein a line width of the first region is adjustable. And, a method for driving a dual-view display device includes dividing the images displayed on the display panel in different directions by controlling a switching panel that includes first and second regions; and adjusting a line width of the first region in accordance with a viewing angle of a user.

Abstract: A liquid crystal display device capable of reducing manufacturing costs is disclosed. The liquid crystal display device includes first and second substrates facing each other, a liquid crystal layer filled between the first and second substrates, a first common electrode formed in a first pixel region on the first substrate in correspondence with a first subpixel for emitting a light of a first color, and having a first area, wherein a common voltage is applied to the first common electrode, and a second common electrode formed in a second pixel region on the first substrate in correspondence with a second subpixel for emitting light of a second color different from the first color and having a second area different from the first area, wherein the common voltage is applied to the second common electrode.

Abstract: A semi-transmissive in-plane switching (IPS) mode liquid crystal display (LCD) panel, in which each pixel region can exhibit the same luminance in transmissive and reflective portions thereof while having a single cell gap structure, is disclosed. A method for fabricating the semi-transmissive IPS mode LCD panel is also disclosed.

Abstract: A liquid crystal display device includes first and second substrates facing and spaced apart from each other; a gate line on an inner surface of the first substrate; a data line crossing the gate line to define a plurality of first sub-pixel regions for displaying color, and a second sub-pixel region for adjusting a viewing angle; a thin film transistor connected to the data line and the gate line; a plurality of first pixel electrodes in each of the plurality of first sub-pixel regions; a plurality of first common electrodes alternating with the plurality of first pixel electrodes in each of the plurality of first sub-pixel regions; a second pixel electrode in the second sub-pixel region; a second common electrode in the second sub-pixel region, the second common electrode facing the second pixel electrode; and a liquid crystal layer between the first and second substrates, wherein a first common voltage is applied to the plurality of first common electrodes, and a second common voltage different from the fi

Abstract: A liquid crystal display device including a main cell comprising a first substrate having a gate line, a data line, a thin film transistor and a pixel electrode; a second substrate facing the first substrate and having a black matrix and a color filter layer; and a first liquid crystal layer between the first and second substrates; and a switching cell over the main cell, the switching cell comprising a third substrate having a plurality of first electrodes; a fourth substrate facing the third substrate and having a second electrode; and a second liquid crystal layer between the third and fourth substrates.

Abstract: A liquid crystal display device and a method for driving the same are provided. The liquid crystal display device includes a first liquid crystal layer selectively driven by a first electric field in a first direction; and a second liquid crystal layer selectively driven a second electric field in a second direction, the second direction being different from the first direction.