FITIPOWER INTEGRATED TECHNOLOGY, INC. Patent applications |
Patent application number | Title | Published |
20140354679 | DISPLAY CONTROL METHOD AND DISPLAY DEVICE USING THE DISPLAY CONTROL METHOD - A display control method of a display device involves detecting color characteristic parameters of one or more images to be displayed. The color characteristic parameters include RGB values that are compared with predetermined RGB values to obtain a comparison result. A working status of the color engine is controlled according to the comparison result. | 12-04-2014 |
20140354678 | DISPLAY CONTROL METHOD AND DISPLAY DEVICE USING THE DISPLAY CONTROL METHOD - A display control method of a display device having a color engine. A mode setting interface is started which comprises an option for setting a working status of the color engine. When the option is operated, the color engine setting interface is started. A working status of the color engine is set via the color engine setting interface. When the color engine is in an active status, the color engine is controlled to process content to be displayed. | 12-04-2014 |
20140240369 | SEMICONDUCTOR DEVICE AND DISPLAY APPARATUS - A semiconductor device includes a p-substrate, a digital circuit unit, and an analogy circuit unit. The digital circuit unit includes a deep n-well, a first p-type semiconductor element, a first n-type semiconductor element, and a p-well. The deep n-well is formed on the p-substrate, the first p-type semiconductor element and the p-well are formed on the deep n-well, and the first n-type semiconductor element formed on the p-well. The analogy circuit unit includes a second p-type semiconductor element, a second n-type semiconductor element, and an n-well. The second n-type semiconductor element and the n-well are formed on the p-substrate, and the second p-type semiconductor element formed on the n-well. | 08-28-2014 |
20140184582 | DISPLAY DEVICE, DRIVING METHOD OF DISPLAY DEVICE AND DATA PROCESSING AND OUTPUTTING METHOD OF TIMING CONTROL CIRCUIT - A display device includes a timing control circuit, a first data driving circuit, and a second data driving circuit. The first data driving circuit receives the first clock embedded training data from the timing control circuit, performs a first clock training to adjust a work frequency of the data driving circuit to be equal to the frequency of a first clock signal, and receives the first clock embedded image data from the timing control circuit. The second data driving circuit receives a second clock embedded training data from the timing control circuit, performs a second clock training to adjust a work frequency of the data driving circuit to be equal to the frequency of a second clock signal, and receives the second clock embedded image data from the timing control circuit. The frequency of the first clock signal is different from that of the second clock signal. | 07-03-2014 |
20140184574 | DISPLAY DEVICE, DRIVING METHOD OF DISPLAY DEVICE AND DATA PROCESSING AND OUTPUTTING METHOD OF TIMING CONTROL CIRCUIT - A display device includes a timing control circuit and a data driving circuit. The data driving circuit receives the first clock embedded training data from the timing control circuit, performs a first clock training to adjust a work frequency of the data driving circuit to be equal to the frequency of a first clock signal, and receives the first clock embedded image data from the timing control circuit. The data driving circuit also receives a second clock embedded training data from the timing control circuit, performs a second clock training to adjust a work frequency of the data driving circuit to be equal to the frequency of a second clock signal, and receives the second clock embedded image data from the timing control circuit. The frequency of the first clock signal is different from a frequency of the second clock signal. | 07-03-2014 |
20140117499 | CAPACITOR AND SEMICONDUCTOR DEVICE USING SAME - A capacitor for a semiconductor device includes a bottom electrode plate, an insulating layer formed on the bottom electrode plate, and a top electrode plate formed on the insulating layer. The bottom plate includes a capacitor well and at least one diffused region formed on the capacitor well. A doping concentration of the at least one diffused region is higher than a doping concentration of the capacitor well, the capacitor well comprising a first well. | 05-01-2014 |
20140035171 | SEMICONDUCTOR DEVICE AND DISPLAY DEVICE HAVING ALIGNMENT MARK - An exemplary display device includes a transparent substrate and a semiconductor device bonded to the transparent substrate. The transparent substrate includes a first alignment mark. The semiconductor device includes a substrate and a second alignment mark positioned on the substrate. The second alignment mark includes a first pattern structure positioned on the substrate and a second pattern structure positioned on the first pattern structure. The first pattern structure includes a plurality of first non-transparent marks. The second pattern structure includes a second pattern surrounded by the first non-transparent marks. The second pattern is an alignable shape that corresponds to a shape of the first alignment mark on the transparent substrate. | 02-06-2014 |
20130265292 | APPARATUS FOR DRIVING DISPLAY PANEL AND DISPLAY DEVICE USING SAME - An apparatus for driving a display panel includes an output terminal for outputting driving voltages to the display panel, a source driver for intermittently outputting data voltages to the driving voltage output terminal and at least one charge sharing branch connected to the driving voltage output terminal. Each of the at least one charge sharing branch includes a charge sharing capacitor and a charge sharing switch connected in series between the driving voltage output terminal and ground, enabling the accumulation and supply to the display of the necessary reverse driving voltages, from a single intermittent source driver instead of from two independently-powered opposite polarity sources. | 10-10-2013 |
20130241804 | ELECTRONIC DEVICE - An exemplary electronic device includes a first display and a second display. The first display includes a number of first pixels. Each first pixel defines a first display region. Each first display region displays first visual content when voltages are applied to the first pixel and displays no first visual content when no voltage is applied to the first pixel. Each first display region is transparent or translucent when displaying no first visual content. The second display includes a number of second pixels. Each second pixel defines a second display region for displaying second visual content. The first visual content is viewable whether or not the second display displays the second visual content, and the second visual content is viewable when one or more first display regions corresponding to the second display region are transparent or translucent. | 09-19-2013 |
20130215032 | ELECTRONIC DEVICE INCLUDING TWO DISPLAY UNITS AND SWITCHING DISPLAY METHOD USING SAME - An electronic device includes a display device, an operating unit, and a processing unit. The display device includes a first display unit having a plurality of first pixels for displaying moving images, and a second display unit having a plurality of second pixels for displaying still images. The first pixels and the second pixels are alternately arranged. The operating unit can be used to select an area of the display device. The processing unit defines the selected area to be a primary display area and defines a region of the display device excluding the selected area to be an auxiliary display area. The processing unit controls the first display unit to display data in the primary display area and controls the second display unit to display data in the auxiliary display area. The present disclosure also provides a switching display method using the electronic device. | 08-22-2013 |
20130162612 | ELECTRONIC DEVICE AND METHOD FOR SWITCHING BETWEEN FIRST DISPLAY UNIT AND SECOND DISPLAY UNIT - An electronic device includes a first display unit for displaying static images, a second display unit for displaying dynamic images, a gate driver connected to the first display unit and the second display unit; a source driver connected to the first display unit and the second display unit; a storage unit for storing visual content; and a processor. The processor is operative to determine at least one feature of the visual content; and control the gate driver and the source driver to selectively enable at least one of the first display unit and the second display unit, based on the at least one determined feature, to display the visual content. | 06-27-2013 |
20130083437 | ESD DETECTION CIRCUIT AND ESD ELIMINATION DEVICE - An ESD elimination device includes an ESD elimination circuit connected between a power line and a ground line and an ESD detection circuit. The ESD detection circuit includes a switch unit and a resistor, the switch unit and the resistor are electrically connected between the power line and the ground line. The switch unit is turned on when an ESD event occurs in the power line, a detecting voltage is generated across the resistor when the switch unit is turned on, the detecting voltage is used for triggering the ESD elimination circuit to eliminate the ESD surge current caused by the ESD event. | 04-04-2013 |
20120280959 | SOURCE DRIVER AND DISPLAY APPARATUS - A source driver includes an output buffer, a first switch, a second switch, a third switch, a first transistor, and a second transistor. The output buffer includes a first terminal for outputting a plurality of drive voltage to drive a display panel, a second terminal for outputting a first control signal, and a third terminal for outputting a second control signal. The first switch is connected between the first terminal and a display panel. The first transistor includes a first electrode connected to the second terminal via the second switch, a second electrode connected to a first power supply, and a third electrode connected between the first switch and the display panel. The second transistor includes a fourth electrode connected to the third terminal via the third switch, a fifth electrode connected to a second power supply, and a sixth electrode connected to the third electrode of the first transistor. | 11-08-2012 |
20120249511 | SOURCE DRIVER FOR AN LCD PANEL - A source driver for an LCD panel includes two gm stages and two output buffers. In a normal operation mode, the first gm stage and the first output buffer establish a unity gain buffer to amplify a positive polarity analog voltage to be a positive polarity output voltage, and the second gm stage and the second output buffer establish a unity gain buffer to amplify a negative polarity analog voltage to be a negative polarity output voltage. In a polarity inversion mode, the second gm stage and the first output buffer establish a unity gain buffer to amplify a positive polarity analog voltage to be a positive polarity output voltage, and the first gm stage and the second output buffer establish a unity gain buffer to amplify a negative polarity analog voltage to be a negative polarity output voltage. | 10-04-2012 |
20120098584 | CIRCUIT AND METHOD FOR IMPROVEMENT OF A LEVEL SHIFTER - A current limiter is connected between a voltage source and the level shifting latch of a level shifter for limiting the driving current for the level shifting latch under a threshold, to thereby reduce the current consumption of the level shifter during logic transition, by which the level shifting latch can be implemented by transistors with shorter channels, thereby downsizing the circuit area of the level shifter. Preferably, the threshold is adjustable for adjusting the output driving capability of the level shifter and speeding up logic transition of the level shifter. | 04-26-2012 |
20120063019 | CONTROL METHOD FOR A VOICE COIL MOTOR AND LENS FOCUSING SYSTEM USING THE SAME - A control method is provided to reduce the spring resonance of a voice coil motor when the coil current of the voice coil motor is changed. Each time a total variation for the coil current to be changed is identified and divided into a plurality of step variations applied one by one with a time step equal to one half of the spring resonant period of the voice coil motor. Due to reduction of the spring resonance, the control method speed up the voice coil motor to a steady state. With this control method, a lens focusing system has a shorter focusing time. | 03-15-2012 |
20120038599 | SOURCE DRIVER AND DISPLAY APPARATUS - A source driver includes a first output buffer, a second output buffer, a first output switch, a second output switch, a third output switch, a fourth output switch, a first resistor, a second resistor, a third resistor, a fourth resistor, a first charge-sharing switch. The first and the second output buffer respectively enhances a first and a second pixel signal and respectively outputs a first and a second enhanced pixel signal to a display panel. The first output switch and the first resistor connected in series and the second output switch and the second resistor connected in series are connected in parallel between the first output buffer and the display panel. The third output switch and the third resistor connected in series and the fourth output switch and the fourth resistor connected in series are connected in parallel between the second output buffer and the display panel. | 02-16-2012 |
20120019509 | ELECTROPHORETIC DISPLAY AND PICTURE UPDATE METHOD THEREOF - For picture updating, an electrophoretic display erases the ghost image and then continuously turns on a plurality of frames, each for changing only one gray level, so as to gradually adjust each of the pixels to a respective desired gray level, which can simplify and accelerate the picture updating, and reduce the content size of a lookup table. By incorporating with adjusting the time length of the frames, the lightness adjustment of the electrophoretic display can be simplified. | 01-26-2012 |
20120019508 | ELECTROPHORETIC DISPLAY AND PICTURE UPDATE METHOD THEREOF - An electrophoretic display includes a row driver connected to an electrophoretic display panel via a plurality of gate scanlines, and the row driver has a decoder. When the electrophoretic display is to update a picture that includes only a block to be changed, the decoder decodes a start position and an end position of the block to determine a portion of gate scanlines that are occupied by the block, and the row driver drives only the portion of gate scanlines. Therefore, the update time is shorter and the power consumption is less than that for a full update case. | 01-26-2012 |
20110248982 | SOURCE DRIVER AND DISPLAY APPARATUS AND METHOD FOR DRIVNG A DISPLAY PANEL - A source driver includes a shift register, a latch, a digital to analog converter (DAC), an output buffer, a level shifter, and a comparator. The shift register receives digital image data. The latch stores digital image data under control of the shift register. The DAC is coupled to the latch and converts digital image data to analog image data. The level shifter shifts a voltage level of analog image data, generates a number of first driving voltages, and outputs the first driving voltages to the output buffer. The comparator controls a voltage generator to generate a number of second driving voltages between corresponding two neighboring first driving voltages; and the voltage generator outputs the second driving voltages to the output buffer. The output buffer sequentially outputs the first driving voltages and the second driving voltages. | 10-13-2011 |
20110057575 | DRIVING DEVICE AND ELECTRONIC APPARATUS USING THE SAME - A driving device includes a dimmer, a rectifying-filtering unit, a rectifying-dividing unit, a control unit, and a voltage transforming unit. The dimmer is used for receiving an alternating current (AC) voltage from a power supply, and generating a primary voltage for controlling the brightness of a luminous element. The rectifying-filtering unit is used for rectifying and filtering the primary voltage to generate a secondary voltage. The rectifying-dividing unit is used for rectifying and dividing the primary voltage to generate a detecting voltage. The control unit is used for receiving the secondary voltage, and generating a pulse voltage whose duty cycle is variable with the detecting voltage. The voltage transforming unit is used for transforming the secondary voltage to a driving voltage for driving the luminous element to emit light according to the pulse voltage. A related electronic apparatus is also provided. | 03-10-2011 |
20110031898 | DRIVING APPARATUS AND METHOD FOR ADJUSTING DRIVE VOLTAGE - A driving apparatus includes a voltage transforming unit and a detector. The driving apparatus is used for supplying a drive voltage to a load. The voltage transforming unit is used for transforming a direct current (DC) voltage to the drive voltage. The detector is connected to the load for detecting a forward voltage across the load to generate a detecting voltage; wherein the detector compares the detecting voltage with a first reference voltage. If the detecting voltage is smaller than the first reference voltage, the detector generates a first feedback signal; the voltage transforming unit increases the drive voltage according to the first feedback signal, the detecting voltage is defined by subtraction of the forward voltage from the drive voltage. | 02-10-2011 |
20090179625 | VOLTAGE CONVERTER - An exemplary voltage converter includes a pulse width modulation controller chip, a pull-up transistor, a pull-down transistor, and a low pass filter. The pulse width modulation controller chip includes a plurality of pins, a power management circuit, a gate control logic circuit, a first gate driver, a second gate driver, a current source, a first resistor, an inductor current sensor, a counter and current step generator, and an oscillator. The plurality of pins include a Vcc pin, a BOOT pin, a PHASE pin, a UGATE pin, a LGATE pin, and a GND pin. The PHASE pin serves as a multi-function pin in the pulse width modulation controller chip. The current source, the first resistor, the inductor current sensor, the counter and current step generator, the oscillator, and the pull-down transistor constitute a light-load efficiency improvement circuit. | 07-16-2009 |
20090167273 | VOLTAGE CONVERTER - An exemplary voltage converter includes a pulse width modulation controller chip, an enabling transistor, a first resistor, a pull-up transistor, a pull-down transistor, and a low pass filter. The pulse width modulation controller chip includes a plurality of pins, a gate control logic circuit, an enabling comparator, a first gate driver, a second gate driver, a current source, a first comparator, a power-on reset circuit, an inductor current sensor, a counter and current step generator, and an oscillator. The plurality of pins include a Vcc pin, a BOOT pin, a PHASE pin, a UGATE pin, a LGATE pin, and a pin OCSET. The current source, the first resistor, the inductor current sensor, the counter and current step generator, the oscillator, and the pull-down transistor constitute a light-load efficiency improvement circuit. | 07-02-2009 |
20090141177 | AUTOMATIC GAIN CONTROL CIRCUIT USING GAIN SHIFT - An AGC circuit includes a RF amplifying module has a first gain control resolution, a frequency converter, an IF/Baseband amplifying module has a second gain control resolution, an IF/Baseband micro-setting amplifying module has a third gain control resolution which is higher than the first and the second, an A/D converter, an AGC module and a gain distribution module. The AGC module is configured for detecting a level of a digital IF/Baseband signal outputted from A/D converter, comparing the detected level with a reference level and generating a digital AGC signal and a digital gain distribution control signal based upon the comparison result. The gain distribution module is subjected to the control of digital AGC signal and digital gain distribution control signal and configured for generating digital gain control signals to selectively adjust the gains of RF amplifying module, IF/Baseband amplifying module and IF/Baseband micro-setting amplifying module. | 06-04-2009 |
20090129526 | PHASE-LOCKED LOOP CIRCUIT AND CORRESPONDING CONTROL METHOD - A phase-locked loop circuit includes a phase frequency detector, a loop filter, a voltage-controlled oscillator, an N/N+1 times frequency-divider and a controller. The phase frequency detector is configured for receiving a reference frequency and a feedback frequency, and comparing the reference frequency and the feedback frequency to output an adjust signal based on the comparison result. The loop filter is configured for filtering out noise from the adjust signal. The voltage-controlled oscillator is configured for sending an oscillating frequency and adjusting the oscillating frequency based on the adjust signal. The voltage-controlled oscillator, the N/N+1 times frequency-divider and the phase frequency detector composes a feedback loop for sending out the feedback frequency. The controller is configured for controlling the N/N+1 times frequency-divider to divide the oscillating frequency by N during a first period and divide the oscillating frequency by N+1 during a second period for obtain the feedback frequency. | 05-21-2009 |
20090111415 | AUTOMATIC GAIN CONTROL CIRCUIT USING GAIN SHIFT - An AGC circuit includes a low noise RF amplifying module with an adjustable gain, a frequency converter, an IF/Baseband amplifying module with an adjustable gain, an A/D converter, an AGC module and a gain distribution module. The AGC module is configured for detecting a level of a digital IF/Baseband signal outputted from the A/D converter, comparing the detected level with a reference level and generating a digital AGC signal and a digital gain distribution control signal based upon the comparison result. The gain distribution module is subject to control of the digital AGC signal and digital gain distribution control signal and configured for generating digital gain control signals to selectively adjust at least one of the gains of the low noise RF amplifying module and the IF/Baseband amplifying module in a digital manner to keep an IF/Baseband signal outputted from the IF/Baseband amplifying module at a desired level. | 04-30-2009 |
20090096022 | LATERAL DIFFUSED METAL OXIDE SEMICONDUCTOR DEVICE - An exemplary lateral diffused metal oxide semiconductor device includes a first-type substrate, a gate oxide film disposed on the first-type substrate, a poly gate disposed on the gate oxide film, a first second-type slightly doped region formed in the first-type substrate and acting as a well, a first first-type highly doped region formed in the well and acting as a body, a first second-type highly doped region formed in the body and acting as a source, a second second-type highly doped region formed in the well and acting as a drain, a second first-type highly doped region formed in the body, and a first fist-type doped region formed in the body and is beneath the source. | 04-16-2009 |
20090085506 | FAN DRIVING SYSTEM WITH SAFE DRIVING CURRENT SWITCHING - An exemplary fan driving system includes a driving device and a MOSFET group. The driving device includes a first adjustable resistor connected between its first voltage signal input terminal and ground, and a second adjustable resistor connected between its second voltage signal input terminal and ground. The MOSFET group includes two N-type MOSFETs and two P-type MOSFETs. The first terminal of the fan is connected to an anode of D | 04-02-2009 |
20090045791 | SWITCHING REGULATOR - An exemplary switching regulator, is provided. The switching regulator includes an oscillator, a PWM logic controller, an inductor, a capacitor, a switch, a driver, a current sense amplifier, and a minimum power pulse width generator. The current sense amplifier and the minimum power pulse width generator compose a first feedback loop for generating a first feedback signal to the PWM logic controller. | 02-19-2009 |