A thin film liquid crystal display, having a high aperture ratio, is described. Said display has been designed so as to reduce the incidence of short circuits between its various parts. This has been achieved by modifying the structure of the lower electrode of the storage capacitor. Said lower electrode is formed in the shape of a hollow square, two non-adjacent sides of said hollow square being at the level of the gate electrode, the other two sides of the hollow square being at the level of the data line. Two different means for providing electrical contact between all four sides of said lower capacitor electrode are described. A process for manufacturing the display is described.
The active matrix type liquid crystal display device has a plurality of liquid crystal elements. Each liquid crystal element has a transistor section, a transistor side conductive light shielding film electrically connected to the transistor section, and a liquid crystal element having an opposing electrode coupled to the transistor section. There are a first potential terminal connected to the opposing electrode and a second potential terminal connected to the transistor side conductive light shielding film with a potential applied by the first potential terminal being independent from a potential applied by the second potential terminal. With this arrangement, the lateral field components around the pixel portion, which become a cause for the reverse tilt of the liquid crystal, are relatively reduced with respect to the vertical field components, thus reducing the disclination and providing excellent display characteristics without residual images.
A liquid crystal display apparatus and a manufacturing method thereof is disclosed, including a storage capacitor part being comprised of a lower storage electrode formed on the same base material as the above, first and second insulation films for isolating the lower storage electrode from a upper storage electrode, an upper storage electrode formed by patterning conductive material deposited on the second insulation film, a third insulation film for isolating the upper storage electrode from the upper structure, and a pixel electrode at the upper side of the third insulation film, thereby providing the required capacitance with the reduced area of the storage capacitance part so as to enhance the brightness of the liquid crystal display apparatus and improve image quality by increasing pixel numbers without the reduction of the brightness.
A liquid crystal display comprising: a transparent insulating substrate; a plurality of gate bus lines and a plurality of data bus lines arranged normal to the plurality of gate bus lines on the transparent insulating substrate, wherein a unit pixel region is defined by a region bounded by a pair of gate bus lines and a pair of data bus lines; a first electrode arranged parallel to the gate bus line within the unit pixel region; a first insulating layer formed on the first electrode; a second electrode formed at a selected portion of upper surface of the first insulating layer; a first transparent electrode formed within the unit pixel region, the first transparent electrode being apart by a selected distance from the second electrode, and being in contact with the first electrode; a second insulating layer formed on upper surface of the first insulating layer including the first transparent electrode and the second electrode; a second transparent electrode formed on the second insulating layer, the second transparent electrode being overlapped partially with the pair of gate bus lines and the pair of data bus lines, and being in contact with the second electrode through the second insulating layer; and a switching element electrically connected with the second transparent electrode.
A liquid crystal display has a gate line structure for serving as a storage electrode and a black matrix and performing a repair function. In the liquid crystal display, a gate dummy pattern is formed in such a manner to be extended in the vertical direction from the gate line and to overlap with the data line and the pixel electrode. The gate dummy pattern branches from the gate line, overlaps the edge of a pixel, serves a storage electrode and a black matrix, and permits repair upon breakage of a data line.