Abstract: A liquid crystal display device includes: first and second substrates facing and spaced apart from each other; a gate line and a data line on the first substrate, the gate line and the data line crossing each other to define a pixel region; a thin film transistor and a pixel electrode in the pixel region on the first substrate, the thin film transistor connected to the gate line and the data line, the pixel electrode connected to the thin film transistor; a common electrode on the second substrate, the common electrode facing the pixel electrode; at least one first reset electrode and at least one second reset electrode on one of the first and second substrates, the at least one first reset electrode and the at least one second reset electrode spaced apart from each other; and a bi-stable chiral splay nematic liquid crystal layer between the first and second substrates, the bi-stable chiral splay nematic liquid crystal layer having bi-stable states of a splay state as an initial state and a ?-twist state, whe

Abstract: A liquid crystal display (LCD) including an LCD panel having a plurality of gate lines running in parallel in one direction and a plurality of data lines running in parallel perpendicular to the gate lines, gate input drivers for providing gate signals to the gate lines of the LCD panel, data input drivers for providing data signals to the data lines of the LCD panel and a back light unit on a lower part of the LCD panel having a light guide plate and at least two light emitting elements in the same plane with the light guide plate on opposite sides of the light guide plate, wherein the two light emitting elements are turned on and off alternately with respect to each other.

Abstract: A transflective liquid crystal display device includes a liquid crystal panel having a pixel electrode, wherein the pixel electrode includes a first reflective region and a first transmissive region, a patterned reflective panel adjacent to the liquid crystal panel, the patterned reflective panel having a second reflective region and a second transmissive region, and a back light unit adjacent to the patterned reflective panel, wherein the patterned reflective panel is movable along a direction parallel to the liquid crystal panel.

Abstract: A liquid crystal display device includes an upper substrate and a lower substrate facing and spaced apart from each other; an upper orientation film on an inner surface of the upper substrate; a lower orientation film on an inner surface of the lower substrate; a liquid crystal layer interposed between the upper and lower orientation films; an upper polarizing plate on an outer surface of the upper substrate; a lower polarizing plate on an outer surface of the lower substrate; and at least one compensation film disposed between the upper substrate and the upper polarizing plate or between the lower substrate and the lower polarizing plate. In the typical IPS-LCD device with a wide viewing angle, since the metallic black matrix of the upper substrate affects the voltage between the common and pixel electrodes, the black matrix is made of resin and cannot be formed with a bent portion because of the limits of the processing technology.

Abstract: A transflective liquid crystal display device includes a liquid crystal panel having a pixel electrode, wherein the pixel electrode includes a first reflective region and a first transmissive region, a patterned reflective panel adjacent to the liquid crystal panel, the patterned reflective panel having a second reflective region and a second transmissive region, and a back light unit adjacent to the patterned reflective panel, wherein the patterned reflective panel is movable along a direction parallel to the liquid crystal panel.

Abstract: A transflective liquid crystal display device includes a liquid crystal panel having a pixel electrode, wherein the pixel electrode includes a first reflective region and a first transmissive region, a patterned reflective panel adjacent to the liquid crystal panel, the patterned reflective panel having a second reflective region and a second transmissive region, and a back light unit adjacent to the patterned reflective panel, wherein the patterned reflective panel is movable along a direction parallel to the liquid crystal panel.

Abstract: An apparatus for manufacturing a light guide in a liquid crystal display and a manufacturing method thereof with a simplified mold structure. In the apparatus, an core material portion is fixed to a light guide molding stamper to constitute a molding device along with the stamper. A fixing member fixes the stamper to the core material portion. The molding device constitutes a mold for molding the light guide, along with a stationary core and a movable core. Accordingly, the stamper and the molding core are integrally formed and sealed, so that a mold structure can be simplified and stable manufacturing of the light guide can be provided.

Abstract: An apparatus for manufacturing a light guide in a liquid crystal display and a manufacturing method thereof with a simplified mold structure. In the apparatus, an core material portion is fixed to a light guide molding stamper to constitute a molding device along with the stamper. A fixing member fixes the stamper to the core material portion. The molding device constitutes a mold for molding the light guide, along with a stationary core and a movable core. Accordingly, the stamper and the molding core are integrally formed and sealed, so that a mold structure can be simplified and stable manufacturing of the light guide can be provided.

Abstract: A liquid crystal display (LCD) including an LCD panel having a plurality of gate lines running in parallel in one direction and a plurality of data lines running in parallel perpendicular to the gate lines, gate input drivers for providing gate signals to the gate lines of the LCD panel, data input drivers for providing data signals to the data lines of the LCD panel and a back light unit on a lower part of the LCD panel having a light guide plate and at least two light emitting elements in the same plane with the light guide plate on opposite sides of the light guide plate, wherein the two light emitting elements are turned on and off alternately with respect to each other.

Abstract: A transflective liquid crystal display device includes a liquid crystal panel having a pixel electrode, wherein the pixel electrode includes a first reflective region and a first transmissive region, a patterned reflective panel adjacent to the liquid crystal panel, the patterned reflective panel having a second reflective region and a second transmissive region, and a back light unit adjacent to the patterned reflective panel, wherein the patterned reflective panel is movable along a direction parallel to the liquid crystal panel.

Abstract: A hybrid switching mode liquid crystal display device includes first and second substrates and a liquid crystal layer between the first and second substrates. A plurality of first electrodes are formed on the first substrate and applies an in-plane electric field. A plurality of second electrodes are formed on the second substrate and applies perpendicular and inclined electric fields with the first electrodes.

Abstract: A liquid crystal display device includes an upper substrate and a lower substrate facing and spaced apart from each other; an upper orientation film on an inner surface of the upper substrate; a lower orientation film on an inner surface of the lower substrate; a liquid crystal layer interposed between the upper and lower orientation films; an upper polarizing plate on an outer surface of the upper substrate; a lower polarizing plate on an outer surface of the lower substrate; and at least one compensation film disposed between the upper substrate and the upper polarizing plate or between the lower substrate and the lower polarizing plate. In the typical IPS-LCD device with a wide viewing angle, since the metallic black matrix of the upper substrate affects the voltage between the common and pixel electrodes, the black matrix is made of resin and cannot be formed with a bent portion because of the limits of the processing technology.

Abstract: A sheet type optical device that perpendicularly stands light beams progressing obliquely with respect to the plane of the sheet includes a transparent sheet made from a transmissive material and prisms formed in parallel on one surface thereof, the prisms having a vertical angle of about 50.degree. to 70.degree.. The light progressing obliquely with respect to the plane is perpendicularly stood by the prisms. The sheet type optical device is used to form a backlighting unit for a liquid crystal display panel or the like. The backlighting unit includes a light source, a light guide, and the sheet type optical device, and optionally includes a reflective plate, a diffusion panel and a protective film.