Abstract:
A display apparatus for displaying a display information includes a display panel, and a plurality of gate drivers and a plurality of source drivers coupled to the display panel. When one abnormal driver exists among the plurality of gate drivers and the plurality of source drivers, the other functionally operating gate drivers and source drivers transform the display information into a transformed display information to transmit the transformed display information to the display panel for a display operation.
Abstract:
An electronic element for an electronic apparatus includes a substrate; a bump, disposed on the substrate for electrically connecting the electronic apparatus; and at least one under bump metal layer, disposed between the bump and the substrate for the bump to be attached to the substrate; wherein the UBM layer forms a breach structure.
Abstract:
A power supply system includes a charging pump module including a plurality of charging pump circuits, wherein each charging pump circuit includes a plurality of transistor switches and is coupled to a flying capacitor set in parallel and the flying capacitor set includes a plurality of flying capacitor units; and a control module for generating a plurality of control signals to switch a connection relationships of the plurality of flying capacitor units; wherein the plurality of charging pump circuits charges the plurality of flying capacitor units and the connection relationships of the plurality of flying capacitor units determines a generation of a charging voltage; an amplifying module for utilizing the charging voltage as a voltage source to generate an amplifying voltage; and a load module for processing a dynamic charging operation in a predetermined period according to the amplifying voltage, to make the load module achieve a predetermined voltage.
Abstract:
The present invention disclosed an electrical dual control switch device and the method of controlling thereof. By applying two electrical switches with connection method of conventional mechanical type dual control switch device. The operating status of the electrical switch could be detected by the AC waveform of the power transmission line of the other electrical switch. Therefore, the objection of electrical controlling the loading device will be realized. The loading device could be remotely control and the usage of the power could also effectively calculate. Further the present invention could also protected against overload, work with touch device and sets a timer for automatically shut down the power.
Abstract:
An output buffer with an offset cancellation structure for an LCD source driver includes an operational amplifier, for driving an output signal of the output buffer according to a data signal from a data input terminal of the output buffer; a reference voltage generator, for generating a reference voltage and inputting the reference voltage to the operational amplifier; and a sampling capacitor, coupled between a second input terminal of the operational amplifier and the data input terminal of the output buffer in a first phase, and coupled between the second input terminal of the operational amplifier and an output terminal of the operational amplifier in a second phase, wherein the second input terminal of the operational amplifier is further coupled to the output terminal of the operational amplifier in the first phase. The output signal outputs the data signal where the offset voltage is cancelled in the second phase.
Abstract:
A circuit buffer for outputting a voltage signal having a magnitude greater than a withstand voltage of any circuit element in the circuit buffer includes a first transistor and a second transistor. The first transistor includes a first terminal and a second terminal electrically connected to an input terminal and an output terminal of the circuit buffer respectively, a third terminal electrically connected to a first power supply terminal, and a fourth terminal electrically connected to the third terminal of the first transistor. The second transistor includes a first terminal and a second terminal electrically connected to the input terminal and the output terminal of the circuit buffer respectively, a third terminal electrically connected to a second power supply terminal, and a fourth terminal electrically connected to the third terminal of the second transistor. Voltages of the first and second power supply terminal are switched between two different levels, respectively.
Abstract:
An analog-to-digital converting device includes a converting module, for sampling an analog input voltage according to a plurality of sampling signals to generate a comparing voltage and generating a comparing signal according to the comparing voltage, wherein the converting module comprises a plurality of capacitors and each of the plurality of capacitors couples between one of the plurality sampling signals and the comparing voltage; a control module, for adjusting the plurality of sampling signals according to the comparing signal, to generate a digital signal corresponding to the analog input voltage, wherein a plurality of bits of the digital signal are respectively corresponding to the capacitances of the plurality of capacitors; and a calibration module, for adjusting the capacitances of the plurality of capacitors according to the digital signal.
Abstract:
A circuit buffer for outputting a voltage signal having a magnitude greater than a withstand voltage of any circuit element in the circuit buffer includes a first transistor and a second transistor. The first transistor includes a first terminal and a second terminal electrically connected to an input terminal and an output terminal of the circuit buffer respectively, a third terminal electrically connected to a first power supply terminal, and a fourth terminal electrically connected to the third terminal of the first transistor. The second transistor includes a first terminal and a second terminal electrically connected to the input terminal and the output terminal of the circuit buffer respectively, a third terminal electrically connected to a second power supply terminal, and a fourth terminal electrically connected to the third terminal of the second transistor. Voltages of the first and second power supply terminal are switched between two different levels, respectively.
Abstract:
A method of refreshing a memory array for a driving circuit includes generating a word-line scanning signal corresponding to a word-line of a memory array, and turning on a plurality of memory cells corresponding to the word-line of the memory array according to the word-line scanning signal to refresh the plurality of memory cells corresponding to the word-line of the memory array, wherein the memory has a first number of bit-lines and a second number of word-lines.
Abstract:
The present invention relates to a sensing structure of touch panel, which comprises a plurality of electrode groups disposed on a substrate. The substrate has a first side and a second side. Each electrode group comprises a first external electrode, a second external electrode, a plurality of internal electrodes, and a plurality of wires. The first external electrode is disposed on a first side; the second external electrode is disposed on the second side; the plurality of internal electrodes are disposed between the first external electrode and the second external electrode; and the plurality of wires are disposed on both sides of the electrode group alternately. Thereby, by disposing the first external electrode, the second external electrode, and the internal electrodes, all being zigzag, the disposable number of electrodes in each electrode group is increased. Accordingly, the sensitivity of touch sensing for the sensing structure of touch panel is enhanced.