Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Reexamination Certificate
2011-03-29
2011-03-29
Rude, Timothy (Department: 2871)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
Reexamination Certificate
active
07916224
ABSTRACT:
A pixel array substrate including a substrate, a first patterned conductive layer, a second patterned conductive layer, and pixel electrodes is provided. The first patterned conductive layer has scan lines and gate electrodes. The second patterned conductive layer has data lines, source electrodes, drain electrodes, and capacitor electrodes. The data lines and the scan lines define many pixel areas. Many pixel storage capacitances CSTis formed between the capacitor electrodes and the first patterned conductive layer. Many gate/drain capacitances CGDis formed in an overlapping area of the drain electrodes and gate electrodes. A liquid crystal capacitance CLCis formed above each pixel electrode. In at least one pixel area, the capacitance ratio of CSTand CGDis α, the capacitance ratio of CLCand CSTis β, and the ratio of a first deviation of CSTand a second deviation of CGDis within the range of α(1+β)(1±50%).
REFERENCES:
patent: 7692674 (2010-04-01), Kamada et al.
patent: 7834949 (2010-11-01), Tasaka et al.
patent: 2005/0068477 (2005-03-01), Shin et al.
patent: 2006/0290630 (2006-12-01), Kim et al.
Chi Mei Optoelectronics Corp.
Rude Timothy
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