Abstract: A liquid crystal display device includes a thin film transistor arranged at crossings of gate lines and data lines; a pixel electrode connected to each thin film transistor; a common electrode arranged on a second substrate; a layer of liquid crystal material provided between the first and second substrates; a protrusion arranged on the common electrode for controlling an orientation of the liquid crystal molecules within the layer of liquid crystal material; and a common voltage generator applying an AC common voltage to the common electrode, wherein a polarity of the common voltage is inverted every predetermined period.

Abstract: A liquid crystal display device includes a first substrate having a plurality of pixel regions, a plurality of gate and data lines on the first substrate, a thin film transistor at a crossing portion of the gate and data lines, a first auxiliary electrode under the data line, a plurality of second auxiliary electrodes in a horizontal direction of the pixel region, a pixel electrode in the pixel region, a plurality of protrusions on a second substrate, the protrusions being formed between the second auxiliary electrodes, and a liquid crystal layer between the first and second substrates.

Abstract: A liquid crystal display (LCD) device is disclosed, which obtains a high aperture ratio and a wide viewing angle. The LCD device includes first and second substrates; a plurality of gate and data lines on the first substrate to define a plurality of pixel regions; a pixel electrode in each pixel region; a common electrode on the second substrate, the common electrode having an electric field inducing window dividing each pixel region into at least two domains; an auxiliary electrode on the first substrate, the auxiliary electrode corresponding to the periphery of the pixel electrode in one of at least two domains; and a liquid crystal layer between the first and second substrates.

Abstract: A liquid crystal display device having a wide viewing angle and a high aperture ratio. The present invention includes first and second substrates, gate and data lines on the first substrate to define at least one pixel region, a thin film transistor formed at a crossing between the gate and data lines. A pixel electrode is connected to the thin film transistor in the pixel region, the pixel electrode having a first electric field inducing window. An auxiliary electrode is at a position corresponding to the first electric field inducing window. A black matrix layer is on the second substrate. A color filter layer is on the black matrix layer. A common electrode is on the color filter layer, the common electrode having a second electric field inducing window or dielectric protrusion at a position corresponding to an end portion of the pixel electrode. A liquid crystal layer is between the first and second substrates.

Abstract: The LCD device of the present invention provides multi domains without an additional rubbing process to align the liquid crystals in different alignment directions. The LCD device includes a common electrode having slit patterns so as to form a fringe field between the common electrode and the pixel electrode. Auxiliary electrodes are formed on the organic passivation layer to intensify the fringe field and overlap the data lines. The pixel electrode overlaps the auxiliary electrodes. Additionally, the black matrix pattern is formed in the position corresponding to the slit pattern. An additional inorganic layer is formed between the organic passivation layer and the thin film transistors.

Abstract: This invention relates to a polymer film for smart window which can optionally modulate the intensity of light passing through a window on the part of users and more particularly, to the polymer film for smart window, prepared in a manner such that a polyalkylacrylate dispersion polymer containing dispersed dichroic particles, so synthesized via reaction between nickel picolinate and polyiodide, are dispersed in a polymethylphenyl-dimethylsiloxane copolymer as a film medium polymer, using dichlorodimethylsilane and dichloromethylphenylsilane as starting monomers where their molar ratios can be modulated.

Abstract: Dichronic particles are developed for a window which varies the degree of light transmission at a user's desire, wherein the particles are obtained by reacting metal complexes of a transition metal (Co, Ni, Cu) and picolinic acid with polyiodine, dispersing into the particles an acrylate based polymer resin containing a plasticizer and injecting the particles between two conductive sheets of glass to be used for a window which varies the degree of light transmission in presence of electric field, to thereby improve stability to long exposure, color fastness, anti-clusteration, rapid changes in the degree of light transmission in the cases of absence and presence of electric field or power.