Array substrate, manufacturing method thereof, and display device
The technology of an array substrate and a manufacturing method, which is applied in the field of liquid crystal displays, can solve the problems of large overlap area between pixel electrodes and common electrodes, increase equipment difficulty and cost, and small spacing, and achieve the effect of reducing manufacturing cost and difficulty of manufacturing process
Inactive Publication Date: 2016-05-04
BOE TECH GRP CO LTD
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Problems solved by technology
[0003] In the existing ADS type display device, due to the large overlapping area and small spacing between the pixel electrode and the common electrode, the storage capacitor Cst is very large, so there are many restrictions on design.
At present, in order to solve the problem of too large Cst, the pixel electrode and the common electrode are usually arranged in a staggered manner, but in general, since the pixel electrode and the common electrode are made of transparent electrode materials, the staggered arrangement requires the exposure process. Accuracy, which will undoubtedly increase the difficulty and cost of equipment and process control
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[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them.
[0049] An embodiment of the present invention provides an array substrate, the array substrate includes a gate line, a data line, and a pixel area defined by intersections of the gate line and the data line, the pixel area includes a thin film transistor, and the thin film transistor includes Gate, gate insulating layer, active layer, source and drain. Such as figure 2 As shown, the pixel area further includes: a base substrate 11 including at least one groove 110; a first electrode layer 12 including at least one electrically connected first An electrode strip 120, the first electrode strip 120 is arranged in the groove 110; a second electrode layer ...
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An array substrate and a manufacturing method therefor, and a display device. The array substrate comprises a base substrate (11), a gate line and a data line that are formed on the base substrate (11), and a pixel area defined by an intersection of the gate line and the data line. The pixel area comprises a thin-film transistor. The thin-film transistor comprises a gate electrode, a gate insulating layer, an active layer, a source electrode, and a drain electrode. The pixel area also comprises: at least one groove (110) formed on the surface of the base substrate (11); a first electrode layer (12) comprising at least one first electrode strip (120), where the first electrode strip (120) is arranged within the groove (110) and is electrically connected to each other; and, a second electrode layer (13) comprising at least one second electrode strip (130), where the second electrode strip (130) is arranged outside of the groove (110) and is electrically connected to each other. This allows for implementation of zero overlap between a common electrode and a pixel electrode, thus increasing the display quality of the display device.
Description
technical field [0001] The invention relates to the field of liquid crystal displays, in particular to an array substrate, a manufacturing method thereof, and a display device. Background technique [0002] Common liquid crystal display devices in the prior art mainly include AD-SDS (Advanced-SuperDimensional Switching, referred to as ADS, advanced super-dimensional field switch) type, IPS (InPlaneSwitch, transverse electric field effect) type and TN (TwistNematic, twisted nematic) type . Among them, the ADS type display device forms a multi-dimensional electric field through the parallel electric field generated by the edge of the pixel electrode in the same plane and the vertical electric field generated between the pixel electrode layer and the common electrode layer, so that all the alignment liquid crystal molecules between the pixel electrodes and directly above the electrodes in the liquid crystal cell Both can generate rotation transformations. [0003] In the exis...
Claims
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IPC IPC(8): G02F1/1362G02F1/1343G02F1/1368H01L27/12H01L21/77
CPCG02F1/133345G02F1/134309G02F2201/124G02F1/134381
Inventor 崔承镇金熙哲宋泳锡刘聖烈
Owner BOE TECH GRP CO LTD