Sharp Kabushiki Kaisha Corporation

Kenji Enda

Toshihide Tsubata

Masanori Takeuchi

Tomoki Noda

Tsuyoshi Tokuda

Toshifumi Yagi

Shinichi Hirato

Akihiro Shoraku

Kohji Matsuoka

Naofumi Kondo

Nobuyoshi Nagashima

Yoshinori Shimada

Ikumi Itsumi

Yuhko Hashimoto

Ryoki Itoh

Shinya Maruoka

A liquid crystal display uses a pixel division method by which the size of a defect can be reduced much more than conventionally possible, and a defect correcting method for the liquid crystal display. The liquid crystal display is provided with an active matrix array substrate including a plurality of gate lines and a plurality of source lines arranged on a transparent substrate to intersect with each other, and a plurality of pixel electrodes arranged in a matrix, each pixel electrode including an assembly of a plurality of sub-pixel electrodes, separate TFTs respectively connected to the sub-pixel electrodes in the vicinity of an intersection portion of the gate line and the source line, the TFTs being driven by the common gate line and the common source line, and at least one opening portion being formed in a lower-layer side line placed in a lower layer at the intersection portion.

Liquid crystal display including source lines defining an opening portion and a defect correcting method for the same

A substrate for a liquid crystal display panel includes a first projection structure and a second projection structure and/or a depression structure, the substrate for the liquid crystal display panel includes a specific structure at a part of or near the first projection structure, the specific structure having at least one of a planar shape different from a planar shape of the second projection structure and/or the depression structure and a planar area of &#x2154; times or less or 1.5 times or more than a planar area of the second projection structure and/or the depression structure.

Substrate for liquid crystal display panel

A scanning signal line () includes an opening () leading from the outside of a pixel region through below a data signal line () into the pixel region, and first and second scanning electrode portions () or two side portions of the opening confronting in a column direction through that opening. The end portion of the first scanning electrode portion () in the pixel region is a first end portion (EP), and the end portion of the second scanning electrode portion () in the pixel region is a second end portion (EP). A first transistor has a source electrode () and a drain electrode () individually overlapping the first electrode portion () but not the first end portion (EP) in the pixel region. A second transistor has a source electrode () and a drain electrode () individually overlapping the second electrode portion () but not the second end portion EP) in the pixel region. According to the aforementioned constitution, it is possible to realize a pixel split type active matrix substrate capable of easily correcting the short-circuits of the data signal line () and the scanning signal line ().

Active matrix substrate, liquid crystal panel, liquid crystal display unit, liquid crystal display device, television receiver, active matrix substrate manufacturing method, and liquid crystal panel manufacturing method

A substrate for a display panel includes an alignment accuracy measurement mark which is used for measuring alignment accuracy between patterns on the substrate without decreasing an aperture ratio of a pixel. The substrate for a display panel includes the alignment accuracy measurement mark in an isolated configuration which is used for measuring alignment accuracy between a pattern of a gate signal line and an auxiliary capacitance line and a pattern of a source signal line and a drain line, where the alignment accuracy measurement mark has a shape such that at least one straight line portion is included, is formed in a layer where the pattern of the source signal line and the drain line is formed, and is positioned on the gate signal line.

Substrate for a display panel, and a display panel having the same

An active matrix substrate () includes a substrate, a TFT () formed on the substrate, a storage capacitor element () formed on the substrate, an interlayer insulating film covering the storage capacitor element (), and a pixel electrode () formed on the interlayer insulating film. The storage capacitor element () includes a storage capacitor line (), an insulating film formed on the storage capacitor line (), and two or more storage capacitor electrodes () opposed to the storage capacitor line () with the insulating film interposed therebetween. The two or more storage capacitor electrodes () are electrically connected via associated contact holes () formed in the interlayer insulating film to the pixel electrode () and electrically continuous with a drain electrode of the TFT ().

Active matrix substrate, method for fabricating active matrix substrate, display device, liquid crystal display device, and television device

A liquid crystal display uses a pixel division method by which the size of a defect can be reduced much more than conventionally possible, and a defect correcting method for the liquid crystal display. The liquid crystal display is provided with an active matrix array substrate including a plurality of gate lines and a plurality of source lines arranged on a transparent substrate so as to intersect with each other, and a plurality of pixel electrodes arranged in a matrix, each pixel electrode including an assembly of a plurality of sub-pixel electrodes, separate TFTs respectively connected to the sub-pixel electrodes in the vicinity of an intersection portion of the gate line and the source line, the TFTs being driven by the common gate line and the common source line, and at least one opening portion being formed in a lower-layer side line placed in a lower layer at the intersection portion.

Liquid crystal display and a defect correcting method for the same

A substrate for a liquid crystal display panel includes a first projection structure and a second projection structure and/or a depression structure, the substrate for the liquid crystal display panel includes a specific structure at a part of or near the first projection structure, the specific structure having at least one of a planar shape different from a planar shape of the second projection structure and/or the depression structure and a planar area of 2/3 times or less or 1.5 times or more than a planar area of the second projection structure and/or the depression structure.

An active matrix substrate suppresses reduction in production yield and increase in production steps and simultaneously permits both sufficient securing of a storage capacity and improvement of an aperture ratio of a pixel. The active matrix substrate is an active matrix substrate and includes a thin film transistor disposed at an intersection of a scanning signal line with a data signal line on a substrate, the thin film transistor including a gate electrode connected to the scanning signal line, a source electrode connected to the data signal line, and a drain electrode connected to a drain lead-out wiring; a storage capacitor upper electrode connected to the drain lead-out wiring and a pixel electrode; and a storage capacitor wiring overlapping with the storage capacitor upper electrode through an insulating film, wherein the storage capacitor wiring has an extending portion overlapping with the drain lead-out wiring through the insulating film.

Active matrix substrate where a portion of the storage capacitor wiring or the scanning signal line overlaps with the drain lead-out wiring connected to the drain electrode of a thin film transistor and display device having such an active matrix substrate

An active matrix substrate includes a substrate, a TFT formed on the substrate, a storage capacitor element formed on the substrate, an interlayer insulating film covering the storage capacitor element, and a pixel electrode formed on the interlayer insulating film. The storage capacitor element includes a storage capacitor line, an insulating film formed on the storage capacitor line, and two or more storage capacitor electrodes opposed to the storage capacitor line with the insulating film interposed therebetween. The two or more storage capacitor electrodes are electrically connected via associated contact holes formed in the interlayer insulating film to the pixel electrode and electrically continuous with a drain electrode of the TFT.

A substrate for a display device includes a scan line, a signal line, a switching element provided on an insulating substrate, an interlayer insulation film, and a pixel electrode. The switching element is provided at an intersection of the scan line and the signal line. The switching element includes a gate electrode connected to the scan line, a source electrode connected to the signal line, and a drain electrode connected to the pixel electrode. The interlayer insulation film includes a contact hole for connecting the drain electrode of the switching element to the pixel electrode. A protective layer formed of an insulating material is provided above the scan line and/or the signal line. A portion of an underlying film under the protective layer contacts a portion of an overlying film over the protective layer.

Substrate for display device having a protective layer provided between the pixel electrodes and wirings of the active matrix substrate, manufacturing method for same and display device

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Katsuragi, Japan

Kenji Enda