Liquid crystal display having a black matrix layer
a liquid crystal display and matrix layer technology, applied in the direction of identification means, instruments, optics, etc., can solve the problems of narrow material selection range, unwanted deterioration of display quality, and disturbance of electric field in the lateral direction, and achieve the effect of large resistance value, large margin, and no noticeable rise in luminance at displaying black
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first embodiment
[0043] In the first place, a manufacturing method of an IPS mode liquid crystal display in accordance with the first embodiment will be explained.
[0044] After a metal layer, which will be made into gate lines 6, common electrodes 2, and common electrode lines 2a, is deposited over a transparent substrate 1 for a TFT substrate 21, the metal layer is patterned into a predetermined shape. Then, a gate insulation film 7 is deposited on the metal layer, and an amorphous silicon film and an n+ amorphous silicon film are deposited in succession. Then, the amorphous silicon film and n+ amorphous silicon film are patterned into an island shape, thereby forming a TFT 4 region. Then, a contact region (not shown), in which a metal layer connected to the gate line 6 and common electrode line 2a is buried, is formed in a predetermined region in the gate insulation film 7. Then, a metal layer, which will be made into the drain line 5- and pixel electrode 3, is deposited and patterned into a predet...
second embodiment
[0065] The second embodiment includes a structure suitable to such a driving method by dot inversion (pixel inversion). In the present embodiment, because the color layer 12 is formed above the drain line 5, the charges may be injected into the color layer 12 by a voltage applied to the drain line 5. On the other hand, by applying the voltages of opposite polarities to the odd-numbered drain lines 5 and even-numbered drain lines 5, respectively, while applying the voltages of opposite polarities 25 to the odd-numbered gate lines 6 and even-numbered gate lines 6, respectively, charges of opposite polarities are injected into each adjacent pair of the color layers 12, respectively. In the present embodiment, because the color layers 12 are formed so that each adjacent pair of the color layers 12 overlap at their respective end portions, the color layers 12 respectively injected with the charges of opposite polarities are connected to each other, and therefore, the charges injected to ...
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