Patent application number | Description | Published |
20080266916 | Voltage Conversion Device Capable of Enhancing Conversion Efficiency - A voltage conversion device capable of enhancing conversion efficiency includes a charge pump for generating output voltage linear to input voltage according to the input voltage, a feedback unit for generating a feedback signal according to the output voltage generated by the charge pump, and a regulating unit for outputting and adjusting the input voltage according to the feedback signal provided by the feedback unit, so as to keep the output voltage unchanged. | 10-30-2008 |
20090289908 | TOUCH DETECTING DEVICE CAPABLE OF SAVING ELECTRICITY - A touch detecting device capable of saving power for a touch panel includes a touch sensing unit, a micro control unit and a mode detecting unit. The touch sensing unit is coupled to the touch panel and used for being triggered by a first control signal to generate sensing data according to a touch state of the touch panel. The micro control unit is coupled to the touch sensing unit and used for being triggered by a second control signal to generate the first control signal. The mode detecting unit is coupled to the micro control unit and the touch panel, and used for generating the second control signal according to the touch state of the touch panel. | 11-26-2009 |
20100214255 | Energy-efficient Touch Panel Device and Related Method - An energy-efficient touch panel control device includes a touch panel, a buffer memory, an interrupt initiation unit, for outputting an interrupt signal, an analog to digital conversion unit, for converting analog output voltage to digital trace data and storing the digital trace data in the buffer memory, and according to a control signal, switching an operating mode, an operation unit, generating a detecting result according to the digital trace data, switching the operating mode according to the control signal, a mode control unit, for generating the control signal according to the interrupt signal, and a host interface unit. | 08-26-2010 |
20110279443 | Driving Module and Driving Method - The present invention discloses a driving module for a liquid crystal display device. The driving module includes a data line signal processing unit, for generating a plurality of data driving signals, a scan line signal processing unit, for generating a plurality of gate driving signals, and a control unit, for controlling the data line signal processing unit and the gate line signal processing unit, such that a plurality of sub-pixels corresponding to a data line are with different charging orders in different frames, or are charged with different charging periods in a same frame. | 11-17-2011 |
20120105037 | Voltage Conversion Device Capable of Enhancing Conversion Efficiency - A voltage conversion device capable of enhancing conversion efficiency includes a charge pump for generating output voltage linear to input voltage according to the input voltage, a feedback unit for generating a feedback signal according to the output voltage generated by the charge pump, and a regulating unit for outputting and adjusting the input voltage according to the feedback signal provided by the feedback unit, so as to keep the output voltage unchanged. | 05-03-2012 |
20120105372 | Energy-efficient Touch Panel Device and Related Method - An energy-efficient touch panel control device includes a touch panel, a buffer memory, an analog to digital conversion unit, for converting analog output voltage to digital trace data and storing the digital trace data in the buffer memory, and according to a control signal, switching an operating mode, an operation unit, generating a detecting result according to the digital trace data, switching the operating mode according to an interrupt signal, and including a mode control unit, for generating the control signal according to the interrupt signal, and a host interface unit. | 05-03-2012 |
20130321036 | GATE DRIVING APPARATUS - A gate driving apparatus is disclosed. The gate driving apparatus includes a first gate driving chip and N second gate driving chips, wherein N is positive integer. The first gate driving chip has a first input pin and a first current output pin. The first gate driving chip receives a reference electrical signal by the first input pin, and generates a reference current according to the reference electrical signal. The first current output pin is used for outputting the reference current. Each of the second gate driving chips has a current input pin for receiving the reference current and a second current output pin for outputting the reference current. The first gate driving chip and the second gate driving chips generate at least a first output signal and at least N second output signals according to the reference current. | 12-05-2013 |
20140210521 | GATE OR SOURCE DRIVING APPARATUS - A gate/source driving apparatus includes a first gate/source driving chip and a second gate/source driving chip. The first gate/source driving chip includes a plurality of first charge pump circuits, each of which has a voltage input end, a voltage output end, a first capacitor end, and a second capacitor end. The second gate/source driving chip includes a plurality of second charge pump circuits, each of which also has a voltage input end, a voltage output end, a first capacitor end, and a second capacitor end. The voltage output end of at least one of the first charge pump circuits is coupled to the voltage input end of at least one of the second charge pump circuits. | 07-31-2014 |