Abstract:
A liquid crystal display device 10 of the present invention includes a liquid crystal panel 11 and a lighting device 12. The liquid crystal panel 11 has a liquid crystal layer 50 between a pair of glass substrates 31 and 41. The lighting device 12 provides illumination light to the liquid crystal panel 11. A concave lens 60 is formed on the glass substrate 41 among the pair of glass substrates 31 and 41, which is arranged on a side opposite from the lighting device 12. The concave lens 60 has a recess on a surface of glass substrate 41 on an opposite side from the liquid crystal layer 50 in an area overlapping a black dot failure occurrence area when viewed in plan. A light transmissive material 70 having a refraction index equal to or higher than the glass substrate 41 is applied to at least a part of the concave lens 60.
Abstract:
A drill 40 for repairing a point defect in a liquid crystal device 10 in accordance with the present invention is the drill 40 for cutting the glass substrate 11 included in the liquid crystal device 10 so as to repair the point defect in the liquid crystal device 10. The drill 40 is characterized by having a point angle PA from 130 to 180 deg.
Abstract:
Provided are a display panel which can detect a touch position derived from a user's touch and can prevent erroneous touch position data from being generated even when an erroneous connection to a position sensing line is present due a processing deviation or a cell gap deviation, and a manufacturing method of the same. The display panel includes a first substrate, a first sensor pad that is formed on the first substrate, a second sensor pad that is spaced apart from the first sensor pad, a second substrate that is disposed to face the first substrate, a first sensor spacer that is formed on the second substrate to overlap the first sensor pad and protrudes toward the first substrate, a second sensor spacer that is formed on the second substrate to overlap the second sensor pad and protrudes toward the first substrate, and a sensor electrode that is formed on the first sensor spacer and the second sensor spacer to overlap the first sensor pad and the second sensor pad, wherein the second sensor spacer protrudes toward the first substrate more than the first sensor spacer does.
Abstract:
The present invention is a substrate for a display device comprising an active matrix substrate and an opposed substrate which are opposed to each other with a display medium layer interposed therebetween, said active matrix substrate including a pixel electrode arranged in a matrix shape on the side of the display medium layer and said opposed substrate including a common electrode opposing to the pixel electrode on the side of the display medium layer, wherein said substrate for a display device includes an electrode slit formed in one of the pixel electrode and the common electrode; and at least one of the electrical connecting portions of said electrode slit is provided outside of a light-blocking region.
Abstract:
A repairing device for a display device includes a substrate and a color filter disposed on the substrate. The color filter includes a first surface facing the substrate and a second surface disposed opposite to the first surface. The repairing device includes laser equipment illuminating a laser beam focused on the first surface and having a wavelength of greater than about 250 nm.
Abstract:
The present invention provides a Liquid crystal display (LCD) panel, comprising: a substrate, data lines and gate lines formed on the substrate and intersecting each other, pixel electrodes disposed near the intersecting areas formed by the data lines and the gate lines, wherein, further comprising: a conductive layer having a part overlapped spatially with the pixel electrodes and another part overlapped spatially with the gate lines or the data lines; and a first buffer layer for attenuating the energy of laser beam, which is disposed between the substrate and the pixel electrodes. According to the present invention, when the bright dot defects in the LCD panel are repairing using laser-repairing, a portion of energy from the laser beam can be effectively absorbed, thereby the heating temperature due to the laser beam decreases, so as to prevent the pixel electrodes and conductive layer from being damaged caused by the too high temperature.
Abstract:
The present invention provides a liquid crystal display (“LCD”), a method of manufacturing the same, and a method of repairing the same capable of obtaining a wide viewing angle and improving a success ratio of repair. The LCD includes a gate line, a first data line intersecting the gate line, a thin film transistor (“TFT”) connected with the gate line and the first data line, a pixel electrode connected with the TFT, a first conductive pattern partially overlapping with a first end of the pixel electrode, a second conductive pattern partially overlapping with a second end of the pixel electrode, and a storage capacitor, wherein at least one of the first conductive pattern and the second conductive pattern partially overlaps with the first data line adjacent to the first end of the pixel electrode and a second data line adjacent to the second end of the pixel electrode, respectively.
Abstract:
A substrate for an LCD includes a transparent substrate, a pixel electrode, first and second storage wirings, and a storage duplication wiring. The pixel electrode is patterned as a unit pixel area on a thin film transistor layer formed on the substrate. The pixel electrode includes a first sub electrode receiving a first pixel voltage from the thin film transistor layer and a second sub electrode electrically separated from the first sub electrode and receiving a second pixel voltage. The first and second storage wirings are formed in the unit pixel area and respectively maintain the first and second pixel voltages during an image frame. The storage duplication wiring is formed along edges of the unit pixel area and is electrically connected to the first and second storage wirings. The substrate reduces pixel defects and improves display image quality.
Abstract:
A liquid crystal display device with a planar counter electrode formed on the first substrate in each pixel region, a pixel electrode formed on the counter electrode by way of an insulation layer, the pixel electrode formed of a first pixel electrode and a second pixel electrode in the pixel region, the first pixel electrode and the second pixel electrode have a large number of slits which are arranged in parallel in the electrodes and the extending direction of the slits is different from both extending directions of the gate lines and the drain lines, and the neighboring sides of the first and the second pixel electrodes are arranged to be parallel to each other, and a portion between the neighboring sides of the first and the second pixel electrodes is positioned above the counter electrode.
Abstract:
A method of repairing a liquid crystal panel by irradiating a defective pixel of the liquid crystal panel with laser light, comprises: in a defective pixel including a dust, irradiating at least part of the defective pixel outside the dust with laser light while the dust is not substantially irradiated with the laser light. Alternatively, a method of repairing a liquid crystal panel by irradiating a defective pixel of the liquid crystal panel with laser light, comprises: in a defective pixel including a dust, determining a non-irradiation area including the dust and an irradiation area not including the dust, and irradiating at least part of the irradiation area with laser light while the non-irradiation area is not irradiated with the laser light. An apparatus for repairing a liquid crystal panel, comprises: a laser oscillator which emits laser light; a stage on which the liquid crystal panel is mounted; an optical section which guides the laser light emitted from the laser oscillator to the liquid crystal panel mounted on the stage; and a controller which controls at least one of the stage and the optical section so that, when a dust is included in a defective pixel of the liquid crystal panel, at least part of the defective pixel outside the dust is irradiated with the laser light while the dust is not substantially irradiated with the laser light.