Patent application number | Description | Published |
20090322795 | METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION FOR DISPLAYS - A system, apparatus and method to reduce power consumption for displays is described. The method may include receiving image data comprising a plurality of color components, generating a histogram for each of the plurality of color components, and adjusting each of a plurality of light sources based on the histograms. The plurality of light sources may correspond to the plurality of color components. Other embodiments are described and claimed. | 12-31-2009 |
20090327777 | POWER EFFICIENT HIGH FREQUENCY DISPLAY WITH MOTION BLUR MITIGATION - Some embodiments describe techniques that relate to power efficient, high frequency displays with motion blur mitigation. In one embodiment, the refresh rate of a display device may be dynamically modified, e.g., to reduce power consumption and/or reduce motion blur. Other embodiments are also described. | 12-31-2009 |
20100253611 | Method and apparatus for adaptive black frame insertion - In some embodiments, a display device may include a flat panel display a controller coupled to the flat panel display. The controller may be configured to determine an operating mode for the flat panel display among a plurality of operating modes including at least a first operating mode and a second operating mode. In the first operating mode, the controller may set the flat panel display to utilize a first frame rate and a first inversion mode to save power. In the second operating mode, the controller may set the flat panel display to utilize a second frame rate, a second inversion mode, and black frame insertion to improve image quality. The second frame rate may be faster than the first frame rate. The second inversion mode and black frame insertion may be mutually configured to maintain a DC balanced operation of the flat panel display. Other embodiments are disclosed and claimed. | 10-07-2010 |
20100328333 | Power savings for display panels - In some embodiments one or more areas of interest to a user of a display screen are determined. Portions of the display screen other than the one or more areas of interest are dimmed. Other embodiments are described and claimed. | 12-30-2010 |
20110157212 | Techniques for adapting a color gamut - Techniques are described that can be used to provide color space conversion for images and video to a display color gamut space. Some techniques provide for accessing an sRGB gamut color table, determining a color conversion matrix based on the sRGB gamut color table and chromaticity values of RGBW primary and gamma stored in the display or associated with the display, applying color space conversion to the pixels for pixels using the color conversion matrix, and applying linear correction of pixels by applying a normalization factor to the color conversion matrix. In addition, some techniques provide analysis of content gamut with respect to display gamut in HSV space, adjustment in HSV space, and conversion back to RGB space before applying color space conversion. | 06-30-2011 |
20110181611 | USER INTERFACE AND CONTROL OF SEGMENTED BACKLIGHT DISPLAY - In some embodiments a user interface is adapted to monitor user inputs and one or more controllers are adapted to modify backlight segment brightness and/or image pixel values of a segmented backlight display in response to the monitored user inputs. Other embodiments are described and claimed. | 07-28-2011 |
20130113694 | METHOD AND APPARATUS FOR ADAPTIVE BLACK FRAME INSERTION - In some embodiments, a display device may include a flat panel display a controller coupled to the flat panel display. The controller may be configured to determine an operating mode for the flat panel display among a plurality of operating modes including at least a first operating mode and a second operating mode. In the first operating mode, the controller may set the flat panel display to utilize a first frame rate and a first inversion mode to save power. In the second operating mode, the controller may set the flat panel display to utilize a second frame rate, a second inversion mode, and black frame insertion to improve image quality. The second frame rate may be faster than the first frame rate. The second inversion mode and black frame insertion may be mutually configured to maintain a DC balanced operation of the flat panel display. Other embodiments are disclosed and claimed. | 05-09-2013 |
20130328950 | METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION FOR DISPLAYS - A system, apparatus and method to reduce power consumption for displays is described. The method may include receiving image data comprising a plurality of color components, generating a histogram for each of the plurality of color components, and adjusting each of a plurality of light sources based on the histograms. The plurality of light sources may correspond to the plurality of color components. Other embodiments are described and claimed. | 12-12-2013 |
20140062329 | DISPLAY BACKLIGHT MODULATION - An apparatus may include a backlight for illuminating a liquid crystal display and a control module for controlling the illumination of the backlight. The control module may alternate between turning the backlight on and off at a first frequency and turning the backlight on and off at a second frequency. | 03-06-2014 |
20140080411 | INTEGRATION OF A NEAR FIELD COMMUNICATION COIL ANTENNA BEHIND A SCREEN DISPLAY FOR NEAR FIELD COUPLING - Described herein are architectures, platforms and methods for integrating near field communication (NFC) coil antenna behind a screen display of devices and more particularly, to improve near field coupling capabilities of the devices by configuring the screen display to implement a context based software logo to guide a user. The context based software logo displays a tapping area location during NFC related functions. The NFC related functions include wireless power transfer (WPT) and/or near field communications (NFC) capabilities of the devices | 03-20-2014 |
20140218349 | POWER EFFICIENT HIGH FREQUENCY DISPLAY WITH MOTION BLUR MITIGATION - Some embodiments describe techniques that relate to power efficient, high frequency displays with motion blur mitigation. In one embodiment, the refresh rate of a display device may be dynamically modified, e.g., to reduce power consumption and/or reduce motion blur. Other embodiments are also described. | 08-07-2014 |
20140267466 | CONTENT ADAPTIVE LCD BACKLIGHT CONTROL - An apparatus, computing device, and a computer readable medium are described herein. The apparatus includes logic to process pixels using content adaptive LCD backlight control. The apparatus also includes logic to perform analog current level control dimming when processing the pixels, and logic to linearly compensate for the analog current level control dimming when processing the pixels. | 09-18-2014 |
20140292631 | BACKLIGHT MODULATION OVER EXTERNAL DISPLAY INTERFACES TO SAVE POWER - In general, in one aspect, an apparatus receives pixels associated with an image destined for an external display and determines a reduced backlight brightness for the external display and corresponding changes to the pixels to approximate overall quality of the image with current backlight brightness. Backlight commands are generated for the reduced backlight brightness and the pixels are enhanced to correspond to the reduced backlight brightness. The enhanced pixels and the backlight commands are transmitted to the external display via a display interface that supports backlight control. The display interface may be a wireless interface or a wired (cabled) interface (e.g., display port (DP), high definition multimedia interface (HDMI), video graphics array (VGA)). The functionality of the apparatus is included in a computing device so that backlight brightness reductions and corresponding pixel changes can be made taking into account policies of the computing device and user preferences. | 10-02-2014 |
Patent application number | Description | Published |
20080238908 | Driving circuit device of plasma display panel and plasma display apparatus - In this PDP apparatus, in a sustain driving circuit device for supplying sustain discharge pulses, an energy recovery circuit has a coil, switches, and diodes, and a Vs clamp circuit has switches. In the energy recovery circuit, the switches are connected to a panel capacitor, and the coil is connected to a power source line with an intermediate potential of Vs, and a clamp diode and a power source connected thereto are connected to a node between the coil and the switch. As a control timing, at a timing of less than π/2 of an LC resonance current cycle, the switch of the energy recovery circuit is turned OFF and then the switch of the Vs clamp circuit is turned ON, thereby performing the Vs clamp. | 10-02-2008 |
20090184945 | DRIVING METHOD OF PLASMA DISPLAY AND PLASMA DISPLAY APPARATUS - An erroneous address discharge in the latter address when the so-called interlace scan is performed is prevented. A period for adjusting the charge of non-lighting cells is provided after an address period in a plasma display of the address-display-period separation method. The discharge in this period is a discharge between an X electrode or an address electrode and a scan electrode, and the discharge has the same polarity as the voltages applied in the address operation, but the relative voltage is rather low, and the discharge is weaker than the address discharge of lighting cells. | 07-23-2009 |
20100141625 | DRIVING METHOD AND DRIVING CIRCUIT OF PLASMA DISPLAY PANEL HAVING A POTENTIAL BEING APPLIED TO AN ADDRESS ELECTRODE DURING A RESET PERIOD - In a driving method of a plasma display panel having a plurality of first electrodes provided so as to correspond to phosphors of a plurality of emitted light colors and having a plurality of second electrodes disposed so as to intersect with the first electrodes, the first electrodes for each of the emitted light colors that are provided so as to correspond to at least one of the phosphors of the emitted light colors among the first electrodes are brought into an electrically open state at the part of driving timings in a driving period. By doing so, gas discharge currents that flow through the first electrodes for each of the emitted light colors can be suppressed. | 06-10-2010 |
Patent application number | Description | Published |
20090027308 | Method for driving plasma display panel, and plasma display device - Provided is a method for driving plasma display panel capable of changing the quantity of emission in an erasure discharge. The method drives a plasma display panel including a scan electrode drive circuit ( | 01-29-2009 |
20090066609 | METHOD AND APPARATUS FOR DRIVING PLASMA DISPLAY - A method and an apparatus for driving a plasma display in which supply of a driving waveform to the non-lighting display line of a plasma display screen is stopped while preventing level difference in luminance or instability of operational margin incident to stoppage of driving waveform supply. In the inventive plasma display, a sustain waveform is created and supplied to each display line of the plasma display, and supply of the sustain waveform is stopped for such a display line as no cell is lighted at all in a unit of sub-field thus quickening the clamp period of sustain waveform by using an inductance having an increased L value and shortening the sustain cycle. | 03-12-2009 |
20090079726 | PLASMA DISPLAY DRIVING METHOD AND APPARATUS - A plasma display driving method and apparatus that can reduce the occurrences of dropout, on a displayed image, caused by misaddress when the environment temperature becomes low. In the inventive plasma display, the environment temperature is determined, and during a charge adjustment interval, the ultimate voltage, which the drive waveform of a scan electrode voltage reaches at the end after continuously varying in the negative direction, is changed in accordance with the determined environment temperature in such a manner that if the environment temperature becomes lower, the ultimate voltage is directed in the positive direction. | 03-26-2009 |
20090167752 | PLASMA DISPLAY PANEL DRIVING METHOD AND PLASMA DISPLAY DEVICE - A technique capable of enhancing performance of a reset operation by a reset waveform using a step-wise rectangular wave and obtaining stable display characteristics in a subfield drive control of a PDP device is provided. In the PDP driving method, in the drive control of the subfield, a reset waveform including a rectangular wave raised in a plurality of steps in a step-wise manner is used in the reset operation, and the application timing of a partial waveform having one or more steps previous to a second step in the rectangular wave is shifted according to the number of sustains previous to the reset operation. | 07-02-2009 |
20090231235 | PLASMA DISPLAY MODULE - In a plasma display module, the cost and size of a power supply circuit are reduced. A plasma display module comprising a plasma display panel ( | 09-17-2009 |