Abstract: A liquid crystal display panel includes a liquid crystal layer having a twist angle of ±10 degree. An upper polarizer is disposed over an upper substrate of the liquid crystal display panel, and includes an absorption axis forming at an angle of 47±10 degree in a clockwise direction with respect to a major axis. An upper ?/2 retardation film is disposed between the upper substrate and the upper polarizer, and includes ?nd1 of 260±10 nm and a slow axis forming at an angle of 166±10 degree in the clockwise direction with respect to the absorption axis. An upper ?/4 retardation film is disposed between the upper substrate and the upper ?/2 retardation film, and includes ?nd2 of 140±10 nm and a slow axis forming at an angle of 111±10 degree in the clockwise direction with respect to the absorption axis. Therefore, the optical condition of the optical film assembly is optimized to improve an image display quality.

Abstract: A liquid crystal display, in accordance with the present invention, includes a first substrate having a thin film transistor and a first electrode formed thereon. The first electrode is electrically connected to the thin film transistor. A first insulating layer is formed on the first substrate including the thin film transistor and the first electrode and a window is formed in the first insulating layer, the window exposing a predetermined region of the first electrode. A second electrode is provided on the first insulating layer and electrically connected to the first electrode. A second substrate includes a third electrode formed thereon. A first gap is formed between a surface of the third electrode and a surface of the predetermined region of the first electrode, and a second gap is formed between the surface of the third electrode and a surface of the second electrode. A liquid crystal layer is interposed between the first gap and the second gap.

Abstract: Disclosed is a reflection type liquid crystal display (LCD) and a manufacturing method thereof. A first substrate on which a pixel array is formed is prepared. A second substrate is formed facing the first substrate. A liquid crystal layer is formed between the first and second substrates. A reflective electrode is formed on the first substrate. The reflective electrode includes a plurality of first regions and a plurality of second regions having a height difference relative to the first regions, in which a first total sum in length components of the second regions arranged along a direction perpendicular to a first direction is greater than a second total sum in length components of the second regions arranged along a direction perpendicular to a second direction such that the second regions have higher reflectivity in the first direction relative to the second direction.

Abstract: A liquid crystal display panel includes a liquid crystal layer having a twist angle of ±10 degree. An upper polarizer is disposed over an upper substrate of the liquid crystal display panel, and includes an absorption axis forming at an angle of 47±10 degree in a clockwise direction with respect to a major axis. An upper ?/2 retardation film is disposed between the upper substrate and the upper polarizer, and includes ?nd1 of 260±10 nm and a slow axis forming at an angle of 166±10 degree in the clockwise direction with respect to the absorption axis. An upper ?/4 retardation film is disposed between the upper substrate and the upper ?/2 retardation film, and includes ?nd2 of 140±10 nm and a slow axis forming at an angle of 111±10 degree in the clockwise direction with respect to the absorption axis. Therefore, the optical condition of the optical film assembly is optimized to improve an image display quality.

Abstract: A liquid crystal display, in accordance with the present invention, includes a first substrate having a thin film transistor and a first electrode formed thereon. The first electrode is electrically connected to the thin film transistor. A first insulating layer is formed on the first substrate including the thin film transistor and the first electrode and a window is formed in the first insulating layer, the window exposing a predetermined region of the first electrode. A second electrode is provided on the first insulating layer and electrically connected to the first electrode. A second substrate includes a third electrode formed thereon. A first gap is formed between a surface of the third electrode and a surface of the predetermined region of the first electrode, and a second gap is formed between the surface of the third electrode and a surface of the second electrode. A liquid crystal layer is interposed between the first gap and the second gap.

Abstract: Disclosed is a reflection type liquid crystal display (LCD) and a manufacturing method thereof. A first substrate on which a pixel array is formed is prepared. A second substrate is formed facing the first substrate. A liquid crystal layer is formed between the first and second substrates. A reflective electrode is formed on the first substrate. The reflective electrode includes a plurality of first regions and a plurality of second regions having a height difference relative to the first regions, in which a first total sum in length components of the second regions arranged along a direction perpendicular to a first direction is greater than a second total sum in length components of the second regions arranged along a direction perpendicular to a second direction such that the second regions have higher reflectivity in the first direction relative to the second direction.

Abstract: A liquid crystal display panel includes a liquid crystal layer having a twist angle of ±10 degree. An upper polarizer is disposed over an upper substrate of the liquid crystal display panel, and includes an absorption axis forming at an angle of 47±10 degree in a clockwise direction with respect to a major axis. An upper ?/2 retardation film is disposed between the upper substrate and the upper polarizer, and includes ?nd1 of 260±10 nm and a slow axis forming at an angle of 166±10 degree in the clockwise direction with respect to the absorption axis. An upper ?/4 retardation film is disposed between the upper substrate and the upper ?/2 retardation film, and includes ?nd2 of 140±10 nm and a slow axis forming at an angle of 111±10 degree in the clockwise direction with respect to the absorption axis. Therefore, the optical condition of the optical film assembly is optimized to improve an image display quality.

Abstract: The invention is directed to a liquid crystal display and assembly without a contact hole in the reflective layer. By eliminating the contact hole, the overall reflectance of the apparatus is increased. In order to prevent light leakage and afterimage, the invention includes an interface electrode that is strategically positioned over where light leakage occurs. An exemplary display apparatus includes a first substrate having a reflective region and a transmissive region including a transparent electrode, a second substrate including a transparent common electrode, a liquid crystal layer located between the first substrate and the second substrate, and a thin film transistor. The tin film transistor includes a gate electrode, a source electrode, and a drain electrode, and the gate electrode is located in the reflective region. Either the source electrode orthe drain electrode contacts the transparent electrode between the reflective region and the transmissive region.

Abstract: The present invention provide a reflective-transmission type TFT LCD wherein each of the reflective pixel electrode and the transmissive pixel electrode is connected directly to a source electrode of a thin film transistor, or the transmissive pixel electrode are concurrently formed with gate electrode and made with double layer of transparent conduction layer and metal layer which can be used as parameter conduction layer between the transparent conduction layer and the reflective pixel electrode.

Abstract: A color filter array panel and a TFT array panel face each other, and a liquid crystal layer is interposed between the two panels such that the liquid crystal molecules of the liquid crystal layer are twisted by 72°. A ?/2 compensation film and a ?/4 compensation film are disposed on outer surfaces of the color filter array panel and the TFT array panel, respectively. Upper and lower polarizers are disposed on the respective compensation films. The ?/2 compensation film and the ?/4 compensation film have predetermined retardations and the drawing axes having predetermined azimuthal angles.

Abstract: A plurality of gate lines and a plurality of data lines intersecting the gate lines to define a display area are formed on an insulating substrate including a display area and a surrounding area. On the surrounding area, a gate driving circuit connected to the gate lines and a logic circuit for VI interposed between the gate driving circuit and the gate line and having several first to third NOR gates are formed. A first input terminal of the first NOR gate of the logic circuit for VI is connected to an output terminal of the gate driving circuit, and a second input terminal thereof is connected to a CON1 terminal, and an output terminal thereof is connected to a first input terminal of the second or the third NOR gate. A second input terminal of the second NOR gate is connected to a CON2 terminal and an output terminal thereof is connected to the gate lines in odd number.

Abstract: An LCD device having improved connection stability concerning a COG, a COF or an FPC and a method for manufacturing the LCD device are disclosed. A pixel including a TFT as a switching device is formed at a central portion corresponding to an active region of a substrate. A gate and a data input pads are formed at a peripheral portion corresponding to a pad region of a substrate. An organic insulation layer is formed on the whole surface of the substrate having the TFT the pads thereon. A rugged structure is formed on the organic insulation layer for forming a rugged reflection electrode by exposing and developing the organic insulation layer. An organic insulation layer is formed to reduce a step between the pads and the portion adjacent to the pads. A single organic insulation layer or double organic insulation layers can be formed.

Abstract: Disclosed is a transmissive and reflective type LCD. In the LCD, a second substrate faces a first substrate. Liquid crystal layer is formed between the first and second substrate. A first polarizing plate is formed on outer surface of the first substrate. A second polarizing plate is formed on outer surface of the second substrate. A backlight is arranged at a rear side of the first polarizing plate. A transparent transflective film is arranged between the first polarizing plate and the backlight and has a plurality of layers where a first and a second layer each having different refractivity indexes are alternatively stacked. The transparent transflective film partially reflects and transmits incident light. By a restoring process occurring between the transflective film and the backlight, a predetermined amount of the incident light is transmitted through the transflective film repeatedly, so that transmissivity and light efficiency are enhanced.

Abstract: A liquid crystal display (LCD) that minimizes moire phenomenon to prevent display performance degradation in the LCD is provided. The present invention also minimizes loss of the light supplied to a LCD panel and achieves high luminance with low power consumption. When a light transforming unit for uniformly forming light distribution of light supplied from a light source is overlapped with a reflective electrode of the reflective type LCD, the moire is generated. The more and light leakage generated in the light transforming unit are prevented by changing in a structure of the light transforming unit. Therefore, a display operation of the reflective type LCD operates normally even in a dark place.

Abstract: Disclosed is a transmissive and reflective type LCD. In the LCD, a second substrate faces a first substrate. A liquid crystal layer is formed between the first substrate and the second substrate. A first polarizing plate is formed on an outer surface of the first substrate. A second polarizing plate is formed on an outer surface of the second substrate. A backlight is arranged for irradiating incident light onto the polarizing plate. A transparent transflective film is arranged between the first polarizing plate and the backlight for partially reflecting and partially transmitting the incident light. The transparent transflective film includes at least a first layer and a second layer, the first and second layers having different refractivity indexes from each other and are alternatively stacked.

Abstract: The invention is directed to a liquid crystal display and assembly without a contact hole in the reflective layer. By eliminating the contact hole, the overall reflectance of the apparatus is increased. In order to prevent light leakage and afterimage, the invention includes an interface electrode that is strategically positioned over where light leakage occurs. An exemplary device of the invention includes a first electrode, a second electrode, and a liquid crystal layer located between the first electrode and the second electrode. The liquid crystal layer has a reflective region, a transmissive region, and an interface region located between the first region and the second region. The apparatus includes a thin film transistor that is electrically coupled to the second electrode through an electrical coupling in the interface region. The invention also includes a method of making the device.

Abstract: Disclosed is a transmissive and reflective type LCD. In the LCD, a second substrate faces a first substrate. A liquid crystal layer is formed between the first substrate and the second substrate. A first polarizing plate is formed on an outer surface of the first substrate. A second polarizing plate is formed on an outer surface of the second substrate. A backlight is arranged for irradiating incident light onto the polarizing plate. A transparent transflective film is arranged between the first polarizing plate and the backlight for partially reflecting and partially transmitting the incident light. The transparent transflective film includes at least a first layer and a second layer, the first and second layers having different refractivity indexes from each other and are alternatively stacked.

Abstract: A reflective-transmissive liquid crystal display (LCD) device with an improved display quality is achieved by forming a reflective area and a transmissive area having a cell gap greater than greater than that of the reflective area. A liquid crystal layer is disposed in a liquid crystal cell between the first and second substrates. The liquid crystal molecules are normally aligned at an angle equal to greater than about 45° with respect to a line parallel to the first substrate. The LCD device operates in a normally black mode.

Abstract: A liquid crystal display (LCD) that minimizes moire phenomenon to prevent display performance degradation in the LCD is provided. The present invention also minimizes loss of the light supplied to a LCD panel and achieves high luminance with low power consumption. When a light transforming unit for uniformly forming light distribution of light supplied from a light source is overlapped with a reflective electrode of the reflective type LCD, the moire is generated. The more and light leakage generated in the light transforming unit are prevented by changing in a structure of the light transforming unit. Therefore, a display operation of the reflective type LCD operates normally even in a dark place.

Abstract: A liquid crystal display panel includes a liquid crystal layer having a twist angle of ±10 degree. An upper polarizer is disposed over an upper substrate of the liquid crystal display panel, and includes an absorption axis forming at an angle of 47±10 degree in a clockwise direction with respect to a major axis. An upper ?/2 retardation film is disposed between the upper substrate and the upper polarizer, and includes ?nd1 of 260±10 nm and a slow axis forming at an angle of 166±10 degree in the clockwise direction with respect to the absorption axis. An upper ?/4 retardation film is disposed between the upper substrate and the upper ?/2 retardation film, and includes ?nd2 of 140±10 nm and a slow axis forming at an angle of 111±10 degree in the clockwise direction with respect to the absorption axis. Therefore, the optical condition of the optical film assembly is optimized to improve an image display quality.