Metal oxide fringing field switching liquid crystal display panel and manufacturing method thereof
A liquid crystal display panel and fringe field switching technology, which is applied in semiconductor/solid-state device manufacturing, optics, instruments, etc., can solve problems such as failure to meet the requirements of large-size panels, and achieve the effect of improving TFT driving capability and simplifying processes
Active Publication Date: 2013-01-02
NANJING CEC PANDA LCD TECH
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In addition, the current laser crystallization technology cannot meet the requirements of large-size panels, and oxide transistors do not require laser crystallization, so there is no size limit
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[0051] Below in conjunction with the accompanying drawings and specific embodiments, the present invention will be further clarified. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. Modifications of equivalent forms all fall within the scope defined by the appended claims of this application.
[0052] The invention is a metal oxide fringe field switching type liquid crystal display panel. The fringe field switching type FFS (Fringe Filed Switching) technology is a fringe electric field between the top stripe pixel electrode and the bottom surface COM electrode on the TFT substrate. , a technology that enables the liquid crystal molecules between the electrodes and directly above the electrodes to rotate on a plane parallel to the glass substrate.
[0053] Figures 2 to 8A It is a schematic diagram of the first embodiment of the present invention.
[0054] like figure 2 and...
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Abstract
The invention provides a metal oxide fringing field switching liquid crystal display panel and a manufacturing method thereof. The metal oxide fringing field switching liquid crystal display panel comprises a scanning line, a signal line, pixel units, a grid-shaped common electrode, a first insulation layer, a common electrode line and a second insulation layer, wherein the signal line and the scanning line are crossed; and the pixel units are subjected to crossed limitation of the scanning line and the signal line, and each pixel unit comprises a thin film transistor and a pixel electrode. Each thin film transistor comprises a thin film transistor (TFT) grid electrode, a TFT source electrode and a TFT drain electrode, wherein the TFT source electrode, the TFT drain electrode and the pixel electrode are located on a bottom layer. The grid-shaped common electrode is located on a top layer, the first insulation layer is covered on the TFT source electrode, the TFT drain electrode and the pixel electrode, the common electrode line is electrically connected with the grid-shaped common electrode, and the second insulation layer is covered on the signal line, the scanning line and the common electrode line. A metal oxide serves as a TFT channel semiconductor, the source electrode, the drain electrode, the grid-shaped pixel electrode or the grid-shaped common electrode to be used, the TFT driving capability can be improved, and a process can be simplified.
Description
technical field [0001] The invention relates to a manufacturing method of a metal oxide fringe field switching liquid crystal display panel. Background technique [0002] Traditional CRT displays rely on cathode ray tubes emitting electrons to strike phosphors on the screen to display images, but liquid crystal displays work on a completely different principle. Generally, a liquid crystal display (LCD) device has an upper substrate and a lower substrate spaced apart and facing each other. The plurality of electrodes formed on the two substrates face each other. The liquid crystal is sandwiched between the upper and lower substrates. Voltage is applied to the liquid crystal through electrodes on the substrate, and then the arrangement of the liquid crystal molecules is changed according to the applied voltage to display an image. Since the liquid crystal display device does not emit light as described above, it needs a light source to display the image. Therefore, the liqu...
Claims
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IPC IPC(8): G02F1/1368G02F1/1362G02F1/1343G02F1/1333H01L21/77
Inventor 焦峰
Owner NANJING CEC PANDA LCD TECH