Thin film transistor array substrate and manufacturing method, and liquid crystal display panel
A thin-film transistor and array substrate technology, applied in the field of liquid crystal display, can solve problems such as inconvenient operation, poor user experience, and high cost, and achieve the effect of reducing cost and realizing narrow frame design
Active Publication Date: 2019-01-22
KUSN INFOVISION OPTOELECTRONICS
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Problems solved by technology
[0004] However, manually adjusting the brightness of the display panel is inconvenient to operate, resulting in poor user experience; and using an external semiconductor light sensor to detect ambient light brightness results in high costs
Method used
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[0038] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, features and effects of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0039] Metal-Semiconductor-Metal (MSM) photodetectors can convert light signals into current signals. like figure 1 and figure 2 As shown, a semiconductor material layer 12 is formed on a substrate 11, and a pair of electrodes 13 and 14 are deposited on the semiconductor material layer 12 to form a photodetector with a metal-semiconductor-metal structure. In the illustration, the two electrodes 13, 14 are in the shape of metal fingers. When light of a suitable wavelength is incident on the photodetector, the valence band electrons of the semiconductor material layer 12 absorb photon energy and transition to the conduction band, producing photogenerated ele...
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The invention discloses a thin film transistor array substrate, a manufacturing method, and a liquid crystal display panel. The thin film transistor array substrate comprises a substrate; a scanning line, a grid electrode and a storage capacitor electrode line, which are formed on the substrate; a gate insulation layer which covers the scanning line, the grid electrode and the storage capacitor electrode line; a semiconductor layer, a data line, a source electrode, a drain electrode, a first electrode, a second electrode and an electrode lead, which are formed on a semiconductor layer on the gate insulation layer, wherein the semiconductor layer is provided with a first region and a second region. The first electrode and the second electrode are separated from each other, and respectively contact with the second region. An optical detector in a metal-semiconductor-metal structure is formed among the first electrode, the second region of the semiconductor layer and the second electrode. The gate insulation layer is provided with a via hole. One of the first and second electrodes is connected with the electrode lead, and is led out through the electrode lead. One of the first and second electrodes is electrically connected with a storage capacitor electrode line below the insulation gate layer through the via hole in the gate insulation layer.
Description
technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a thin film transistor array substrate and a manufacturing method thereof, and a liquid crystal display panel with the thin film transistor array substrate. Background technique [0002] With the development of display technology, liquid crystal display panels (Liquid Crystal Display, LCD) are more and more popular due to their advantages of lightness and low radiation. The liquid crystal display panel includes a thin film transistor array substrate (TFTarray) and a color filter substrate (color filter, CF) facing each other, and a liquid crystal layer (LC layer) sandwiched between them. [0003] People's requirements for the brightness of the display panel vary with the intensity of the ambient light. During the day, when the ambient light is strong, the display panel needs to be brighter, and at night or in a dark room, the brightness of the display panel can be ...
Claims
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IPC IPC(8): H01L27/12H01L21/77G02F1/1362
CPCG02F1/136213G02F1/136227G02F1/136286H01L27/1255H01L27/1259
Inventor 钟德镇郑会龙
Owner KUSN INFOVISION OPTOELECTRONICS