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| Number | Title | Issue Date |
| 8159473 | Method for detecting touch point and touch panel using the same The present invention relates to a method for detecting touch points and a touch panel using the same. The method includes the steps of: providing a resistive pressure-sensing matrix includes M X-axis sensing lines and N Y-axis sensing lines, wherein the ith | 04/17/2012 |
| 8076868 | LED driver and power control circuit with spread spectrum frequency modulation function and display panel using the same The present invention relates to an LED driver, power control circuit and display panel using the same. The LED driver has the function of spread spectrum frequency modulation (SSFM). The circuit topology of the driver includes a power converter, an error amplifier,... | 12/13/2011 |
| 8026866 | Method for applying the same dithering table to different flat panels and display panel driving method using the same A method for applying the same dithering table to different flat panels and a display panel driving method using the same. The method for applying the same dithering table to different flat panels is mainly to set different dot counts between different panels on the... | 09/27/2011 |
| 7847780 | Method for driving a display panel A method for driving a display panel is provided. The display panel includes a first scan line, and the first scan line includes sub-pixels. A first portion of the sub-pixels is controlled by a first gate line, and a second portion of the sub-pixels is controlled by... | 12/07/2010 |
| 7821340 | Output stage circuit and operational amplifier An output stage circuit is disclosed, which includes a first PMOS transistor, a second PMOS transistor, a first NMOS transistor, and a second NMOS transistor. By using twin-well CMOS transistors and a specific circuit configuration, the invention supports a HALF AVD... | 10/26/2010 |
| 7808847 | Memory repair circuit and repairable pseudo-dual port static random access memory The present invention relates to a memory repair circuit and a repairable pseudo-dual port static random access memory (pseudo-dual port SRAM). The memory repair circuit uses fewer redundant column blocks and stores a few failed block addresses to reduce the require... | 10/05/2010 |
| 7638989 | Power supply with pulse frequency modulating circuit calculating logic state changing A method for stabling a voltage, a pulse frequency modulating circuit and a power supply using the same are provided. The method includes the following steps. First, a comparing signal is provided. Then, set the comparing signal to be a first logic state when the vo... | 12/29/2009 |
| 7508265 | Rail-to-rail class-AB operational amplifier A rail-to-rail class-AB operational amplifier includes a first differential pair unit for receiving a pair of differential signals and generating a first control signal; a second differential pair unit for receiving the pair of differential signals and generating a ... | 03/24/2009 |
