Film transistor array substrate
A thin-film transistor and array substrate technology, which is applied in the field of thin-film transistor array substrates, can solve problems such as the opacity of drains and repair pads, and the influence of pixel aperture ratios.
Inactive Publication Date: 2011-09-07
AU OPTRONICS CORP
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Problems solved by technology
[0008] However, both the drain and the patch pad are opaque, which has a great impact on the aperture ratio of the pixel
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[0024] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0025] Please refer to figure 2 It is a schematic diagram of the structure design of the thin film transistor substrate according to an embodiment of the present invention. The transistor array substrate 200 includes an insulating substrate 210, first and second gate lines GL1 and GL2, first and second data lines DL1 and DL2, thin film transistors 220, pixel electrodes 230 and storage capacitor lower electrode lines SL. It is first explained that the gate line GL1 is coupled to the gate of the next adjacent TFT. The gate line GL2 is coupled to the gate 221 of the TFT 220 . The data line DL2 on the right is coupled to the source of the next adjacent TFT. The first data line DL1 on the left is coupled to the source 222 of the TFT 220 .
[0026] The pixel electrode 230 is a transparent electrode formed in the pixel area PA. The pixel electrode...
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The invention discloses a film transistor array substrate which comprises a transparent substrate, a plurality of gate lines, a plurality of data line, a switch element, a pixel electrode and a repair patch, wherein the plurality of gate lines are arranged on the transparent substrate at a certain interval; the plurality of data lines are arranged on the transparent substrate at a certain interval together with the plurality of gate lines, and two adjacent data lines and two gate lines define a pixel area; the switch element which is respectively electrically connected with one corresponding gate line and one data line, and the switch element is provided with an output electrode, the extension part of the output electrode extends up and down along a first lateral edge of the pixel area to a second lateral edge and a third lateral edge of the pixel area, and then extends along the second lateral edge and the third lateral edge after turning 90 degrees; the pixel electrode is positioned in the pixel area, partially overlapped with the extension part and electrically connected with the output electrode; the repair patch is electrically connected with the adjacent gate line and partially overlapped with the pixel electrode and the extension part. According to the design of the film transistor array substrate, the repair patch is partially overlapped with the pixel electrode and the extension part, so that the pixel electrode has high aperture ratio.
Description
technical field [0001] The invention relates to a thin film transistor array substrate, in particular to a structure of a pixel electrode and a thin film transistor in a liquid crystal display screen thin film transistor. Background technique [0002] A typical liquid crystal display (LCD) has a sandwich-like structure, which includes a transistor array substrate, a color filter substrate, and a liquid crystal layer between the transistor array substrate and the color filter substrate. [0003] A transistor array substrate usually includes a plurality of gate lines and data lines, and a plurality of pixel regions defined by the gate lines and data lines. The pixel units are respectively located in each corresponding pixel area. Each pixel unit includes a thin film transistor (TFT) and a pixel electrode, and the voltage of the pixel electrode is controlled by the TFT connected to it. [0004] The color filter substrate usually includes a substrate and a color filter layer o...
Claims
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IPC IPC(8): G02F1/1362G02F1/1368H01L29/786H01L27/12
Inventor 廖宇崴罗时勋郑翔远袁山富郑佳阳
Owner AU OPTRONICS CORP