Abstract:
A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinonediyl diphosphite.
Abstract:
A high-stability shift circuit using amorphous silicon thin film transistors, which utilizes two out-of-phase pulses to control the operating mechanism and the bias-relations among transistors in the shift circuit. This makes the transistors under the driving conditions of positive/negative-alternating biases so as to restrain the voltage shift of the transistors such that the threshold voltage will not excessively increase along with the increasing operating time. This can not only increase the lifetime of the amorphous silicon thin film transistors but also extend the operating time of the shift circuit.
Abstract:
A method for configuring luminous zones and circuit zones of pixels eliminates the black lines problem occurred to the displaying picture caused by the layout of the circuit zones. The invention adopts the stripe layout but has the circuit zones and luminous zones of the active display device forming an image by inversion at 180 degrees such that the circuit zones and luminous zones of neighboring pixels are laid in staggered fashion, so that the circuit zones are not laid on the same straight line to prevent the displaying picture to be divided by black lines.