| 摘要 |
thin film transistor (11) of the matrix for connecting a source bus line to the TFT a pixel corresponding to one color to simplify a signal driving device and improve the effective area and image quality comprises a drain projection electrode (15) projecting from the lower part of pixel electrode (12) transversely, a source projection electrode (13) projecting from a source bus line (18) to be opposite to the electrode (15) and a gate projection electrode (14) connected to the electrdes (15,13). The horizontal part (18a) of the line (18) lies in the transverse direction of the TFT (11) such that the pixel electrode (12) forms an exact square.
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