Abstract: A semi-transmission liquid crystal display comprising a liquid crystal panel; a backlight unit to emit light to the liquid crystal panel; and a data driver to apply a data voltage to a data line of the liquid crystal panel; wherein, the liquid crystal panel comprises a TFT substrate which has a transmission area transmitting light from the backlight unit and a reflection area reflecting light from exterior, a color filter substrate which has color filter layer having a concave area which is formed corresponding to the reflection area, and a liquid crystal layer which is sandwiched between the TFT substrate and the color filter substrate and having varying thickness according to the concave area; and the data driver applies the data voltage to the data line in the liquid crystal panel by a transmission voltage mode when the backlight unit is on and by a reflection voltage mode when the backlight unit is off, which configuration provides a semi-transmission LCD having good display quality without an overcoat la

Abstract: A reflective liquid crystal display (LCD) is provided for efficiently preventing white coordinates from being yellowish. The LCD includes a substrate having red color filters, green color filters, and blue color filters. The blue color filters have an overall area smaller than that of the red color filters and the green color filters while blocking green light better than the red color filters and blocking red light better than the green color filters.

Abstract: A display panel having a touch screen, the display panel includes an array substrate having a plurality of pixels and an opposite substrate having a plurality of touch electrodes. The array substrate includes the pixels receiving a data signal through thin film transistors and sensors electrically and physically making contact with the touch electrodes in response to an external pressure. Each sensor generates a common voltage input through the touch electrode in response to a scan signal controlling the thin film transistor as a sensing signal. Based on the generated sensing signal, a location coordinate to which the external pressure is applied is calculated, so that the number of wires for the display panel may decrease.

Abstract: A display with a built-in touch panel and a method of manufacturing the same are provided. The display includes: a first substrate and a second substrate, wherein the first substrate and the second substrate are disposed to face each other. A conductive spacer having a first end is positioned on the first or second substrate. A cell gap spacer is disposed between the first and second substrates and at least one subsidiary cell gap spacer having a first end is disposed on the first or second substrate and positioned adjacent to the cell gap spacer. The cell gap spacer is also disposed close to the conductive spacer, and the subsidiary cell gap spacer is disposed adjacent to the cell gap spacer. Additionally, a cell gap spacer is disposed in every unit pixel, and a subsidiary cell gap spacer is disposed adjacent to each cell gap spacer.

Abstract: A reflective liquid crystal display (LCD) is provided for efficiently preventing white coordinates from being yellowish. The LCD includes a substrate having red color filters, green color filters, and blue color filters. The blue color filters have an overall area smaller than that of the red color filters and the green color filters while blocking green light better than the red color filters and blocking red light better than the green color filters.

Abstract: A transflective liquid crystal display including upper and lower panels facing each other. A plurality of gate lines and a plurality of data lines intersecting each other are formed on the lower panel to define pixel areas arranged in a matrix. A plurality of thin film transistors connected to the gate lines and the data lines and a plurality of pixel electrodes connected to the thin film transistors are also provided on the lower panel. Each pixel electrode includes a transparent electrode and a reflecting electrode with high reflectance having a transmitting window. A black matrix having apertures opposite the pixel areas and a plurality of red, green and blue color filters are formed on the upper panel, and a passivation layer covers the color filters. The passivation layer includes thicker and thinner portions, and the thinner portion is disposed opposite the transmitting window.

Abstract: A display device includes a display panel having a first panel and a second panel that face each other with a liquid crystal layer therebetween, a plurality of first sense data lines extending in a row direction on the second panel, a plurality of second sense data lines extending in a column direction on the second substrate, and a sense signal processor. A plurality of sensing units are positioned at regions defined by the first and second sense data lines. A first sense data lines is connected to a second sense data line by a contact to output a first sense data signal through the first sense data line and a second sense data signal through the second sense data line. The sense signal processor reads and processes the first and second sense data signals.

Abstract: A display substrate includes a base substrate, an organic ridge pattern, a pixel electrode and a shielding electrode. A plurality of pixel regions arranged in a matrix shape are formed on the base substrate. The organic ridge pattern is protruded between adjacent pixel regions. The pixel electrode is in each of the pixel regions. The shielding electrode is disposed on the organic ridge pattern, and is electrically connected to the pixel electrode.

Abstract: A touch sensor equipped liquid crystal display device includes a first substrate having an image display device, a second substrate having a plurality of column spacers, a liquid crystal layer disposed between the first and second substrates. A touch sensor is driven by pressing on the second substrate. A gap maintaining region combines with the column spacers to maintain a gap between the first and second substrates, and a sensing region formed lower than the gap maintaining region achieves a sensing of the touch sensor responsive to the pressing on the second substrate.

Abstract: A transflective liquid crystal display including upper and lower panels facing each other. A plurality of gate lines and a plurality of data lines intersecting each other are formed on the lower panel to define pixel areas arranged in a matrix. A plurality of thin film transistors connected to the gate lines and the data lines and a plurality of pixel electrodes connected to the thin film transistors are also provided on the lower panel. Each pixel electrode includes a transparent electrode and a reflecting electrode with high reflectance having a transmitting window. A black matrix having apertures opposite the pixel areas and a plurality of red, green and blue color filters are formed on the upper panel, and a passivation layer covers the color filters. The passivation layer includes thicker and thinner portions, and the thinner portion is disposed opposite the transmitting window.

Abstract: The present invention relates to a liquid crystal display (LCD) panel with a built-in touch screen capable of maintaining touch sensitivity at a certain level regardless of touch circumstances, and an LCD having the LCD panel with a built-in touch screen. According to the present invention, there are provided an LCD panel with a built-in touch screen, comprising a first substrate; a second substrate positioned opposite to first substrate; a liquid crystal layer injected between first and second substrates; a sensing unit including a conductive column spacer and a conductive pad spaced apart from conductive column spacer by a predetermined interval to sense a touch point; and a plurality of pressure particles with certain hardness positioned on an outer surface of first substrate. Further, there is provided an LCD having the LCD panel with a built-in touch screen.

Abstract: A light emitting diode (LED) is provided with a base substrate, a plurality of light emitting chips disposed on the upper surface of the base substrate and electrically coupled in parallel to one another, and a fluorescent material layer for covering the light emitting chips.

Abstract: A black matrix having an opening at pixels of a matrix array in a display area, a common wire including common pads and common signal lines, and gate pads in a peripheral area, and an alignment key in outer area to align interlayer thin films are formed on an insulating substrate. Red, blue and green color filters the edge of which overlap the black matrix are formed at the pixels on the insulating substrate, and an organic insulating layer covering the black matrix and the color filters and having a contact hole exposing the gate pad is formed thereon. A gate wire including a gate line connected to the gate pad through the contact hole and a gate electrode connected to the gate line is formed on the organic insulating layer, and a gate insulating layer covering the gate wire is formed on the organic insulating layer. A semiconductor pattern and ohmic contact layers are sequentially formed on the gate insulating layer of the gate electrode.

Abstract: Disclosed are a transreflective type LCD and a method of manufacturing the same. A color filter substrate is formed with a light transreflective member for reflecting an external light or transmitting an artificial light and a visual angle increasing member for increasing the visual angle of the light from the light transreflective member. A thickness of a color filter varies to obtain a uniformity of the light from the light transreflective member regardless of the transmissive and the reflective modes. The light from the light transreflective member is provided through a TFT substrate to a user as an image.

Abstract: A display substrate reducing a cost price and produced conveniently by a simple process includes a base substrate, a supporting pattern, and a first and a second protrusion pattern. The display substrate has a touch screen function detecting a touch point and electrically connected at the touch point to an array substrate having a plurality of pixel portions, and first and second signal lines formed thereon. The supporting pattern is formed on a base substrate with a first length, and maintains a separation distance from the array substrate. The first and second protrusion patterns are formed on the base substrate with a second length, and electrically connected to the first and second signal lines respectively. The protrusion pattern and the supporting pattern are simultaneously formed, and thus the manufacturing process can be simplified.

Abstract: An LCD comprising a first substrate having an inner surface and an outer surface; a green color filter formed on the outer surface of the first substrate; red, green, and blue color filters formed on the inner surface of the first substrate; a second substrate facing the first substrate and having an inner surface and an outer surface; a pixel electrode formed on the inner surface of the second substrate; a common electrode formed on the inner surface of one of the first and second substrates; and a liquid crystal layer disposed between the first substrate and the second substrate is provided. By this structure, a green light having nigh color purity is produced. The manufacturing method of an LCD is simplified by replacing the black matrix with the overlapped color filters.

Abstract: A liquid crystal display includes an array pixel including a plurality of pixels arranged in a matrix. The plurality of pixels include a set of pixels including a pair of center pixels adjacent to each other, and a pair of first-color pixels and a pair of second-color pixels obliquely facing each other across the center pixels. Each pixel includes a pixel electrode and a thin film transistor. The liquid crystal display further includes a plurality of gate lines extending in a row direction for transmitting a gate signal to the pixels, and a plurality of data lines extending in a column direction for transmitting data signals to the pixels. The pixels are subject to polarity inversion.

Abstract: A black matrix having an opening at pixels of a matrix array in a display area, a common wire including common pads and common signal lines, and gate pads in a peripheral area, and an alignment key in outer area to align interlayer thin films are formed on an insulating substrate. Red, blue and green color filters the edge of which overlap the black matrix are formed at the pixels on the insulating substrate, and an organic insulating layer covering the black matrix and the color filters and having a contact hole exposing the gate pad is formed thereon. A gate wire including a gate line connected to the gate pad through the contact hole and a gate electrode connected to the gate line is formed on the organic insulating layer, and a gate insulating layer covering the gate wire is formed on the organic insulating layer. A semiconductor pattern and ohmic contact layers are sequentially formed on the gate insulating layer of the gate electrode.

Abstract: Disclosed are a transreflective type LCD and a method of manufacturing the same. A color filter substrate is formed with a light transreflective member for reflecting an external light or transmitting an artificial light and a visual angle increasing member for increasing the visual angle of the light from the light transreflective member. A thickness of a color filter varies to obtain a uniformity of the light from the light transreflective member regardless of the transmissive and the reflective modes. The light from the light transreflective member is provided through a TFT substrate to a user as an image.

Abstract: A method of displaying an image using an image display device in which the image display device has an artificial light source includes inputting primary image signals to the image display device, determining chroma state of the primary image signals for each image frame, and determining gray-scale state of the primary image signals for each image frame. The primary image signals are transformed to multi-color image signals and luminance of the artificial light source is controlled, in response to the determined chroma state and gray-scale state of the primary image signals.