Patent application number | Description | Published |
20090049036 | Systems and methods for keyword selection in a web-based social network - A system and method for selecting a subset of keywords from a set of master keywords found in user profiles in a social network is disclosed. The method includes selecting a first and second group of user profiles including one or more keywords and computing the number of occurrences of each of the master keywords in the first and second group of profiles. A value may be computed for each of the master keywords based on a comparison of the number of occurrences in the first group of profiles and the number of occurrences in the second group of profiles. The computed value may be used for selecting the subset of keywords from the master keywords and/or ranking the master keywords. | 02-19-2009 |
20090049127 | System and method for invitation targeting in a web-based social network - A system and method for selecting users of a web-based social network who are likely to respond to an invitation, each of the users having associated profile information is disclosed. The method includes selecting pilot users and a reduced set of keywords from the profile information. The method further includes sending the invitation to the pilot users, receiving responses from the pilot users, and classifying the responses as either positive or negative. A training set of vector pairs is created each vector pair representing a pilot user and including data representing a classified response and training keywords selected from the reduced set of keywords and associated profile information for the pilot user. A function is determined based on the vectors and used to calculate a likelihood that each of one or more users of the web based social network will respond to the invitation. | 02-19-2009 |
20100324990 | Targeting Advertisements in a Social Network - A social networking website logs information about actions taken by members of the website. For a particular member of the website, the website presents targeted ads based on actions by the member and one or more characteristics of the member. The social networking website maintains a profile associated with the member which describes characteristics of the member, such as age, geographic location, employment, educational history and interests. The social networking website compares the member profile to targeting criteria for a plurality of advertising requests and determines the advertising requests that match the member profile and generate the most revenue for the social networking website. When presenting a member with an ad, the website may optimize advertising revenue by selecting an ad from the received ads that will maximize the expected value of the ad. | 12-23-2010 |
20110302160 | Predicting User Responses to Invitations in a Social Networking System Based on Keywords in User Profiles - A social networking system selects a subset of keywords from a set of master keywords found in user profiles. The method includes selecting a first and second group of user profiles including one or more keywords and computing the number of occurrences of each of the master keywords in the first and second group of profiles. A value may be computed for each of the master keywords based on a comparison of the number of occurrences in the first group of profiles and the number of occurrences in the second group of profiles. The computed value may be used for selecting the subset of keywords from the master keywords and/or ranking the master keywords. | 12-08-2011 |
20120179637 | Prediction of User Response to Invitations in a Social Network System Based on Keywords in the User's Profile - A social networking system selects a subset of keywords from a set of master keywords found in user profiles. The method includes selecting a first and second group of user profiles including one or more keywords and computing the number of occurrences of each of the master keywords in the first and second group of profiles. A value may be computed for each of the master keywords based on a comparison of the number of occurrences in the first group of profiles and the number of occurrences in the second group of profiles. The computed value may be used for selecting the subset of keywords from the master keywords and/or ranking the master keywords. | 07-12-2012 |
20130013541 | System And Method For Invitation Targeting In A Web-Based Social Network - A system and method for selecting users of a web-based social network who are likely to respond to an invitation, each of the users having associated profile information is disclosed. The method includes selecting pilot users and a reduced set of keywords from the profile information. The method further includes sending the invitation to the pilot users, receiving responses from the pilot users, and classifying the responses as either positive or negative. A training set of vector pairs is created each vector pair representing a pilot user and including data representing a classified response and training keywords selected from the reduced set of keywords and associated profile information for the pilot user. A function is determined based on the vectors and used to calculate a likelihood that each of one or more users of the web based social network will respond to the invitation. | 01-10-2013 |
Patent application number | Description | Published |
20090170769 | CELL SURFACE RECEPTOR ISOFORMS AND METHODS OF IDENTIFYING AND USING THE SAME - Isoforms of cell surface receptors, including isoforms of receptor tyrosine kinases, and pharmaceutical compositions containing the isoforms are provided. Chimeras of and conjugates containing the cell surface receptors that contain a portion, such as an extracellular domain, from one cell surface receptor, and a second portion, particularly an intron-encoded portion, from a second cell surface protein also are provided. The isoforms modulate the activity of a cell surface receptor. Methods for identifying and preparing isoforms of cell surface receptors including receptor tyrosine kinases are provided. Also provided are methods of treatment with the cell surface receptor isoforms. | 07-02-2009 |
20100055093 | PAN-CELL SURFACE RECEPTOR-SPECIFIC THERAPEUTICS - Provided are pan-cell surface receptor-specific therapeutics, methods for preparing them and methods of treatment using them. Among the pan-cell surface receptor-specific therapeutics are pan-HER-specific therapeutics that interact with at least two different HER receptor ligands and/or dimerize with or interact with two or more HER cell surface receptors. By virtue of these properties, the therapeutics modulate the activity of at least two cell surface receptors and are useful for therapeutic purposes. | 03-04-2010 |
20100278801 | COMPOSITIONS COMPRISING OPTIMIZED HER1 AND HER3 MULTIMERS AND METHODS OF USE THEREOF - The invention provides for compositions comprising engineered Her3 multimers with improved binding affinity. Such multimers include, but are not limited to, Her1/Her 3 heterodimers in which the Her3 ligand binding domain has been optimized to increase binding to Her3. The composition also can include mixtures of Her 1 homodimers, Her 3 homodimers, and Her 1/Her 3 heterodimers. | 11-04-2010 |
20120014937 | Human Beta-Adrenergic receptor kinase polypeptide and methods - Various embodiments of the invention provide human kinases and phosphatases (KPP) polypeptides and polynucleotides which identify and encode KPP. Embodiments of the invention also provide expression vectors, host cells, antibodies, agonists, and antagonists. Other embodiments provide methods for diagnosing, treating, or preventing disorders associated with aberrant expression of KPP. | 01-19-2012 |
20130058942 | HUMAN BETA-ADRENERGIC RECEPTOR KINASE POLYPEPTIDE AND METHODS - Various embodiments of the invention provide human kinases and phosphatases (KPP) polypeptides and polynucleotides which identify and encode KPP. Embodiments of the invention also provide expression vectors, host cells, antibodies, agonists, and antagonists. Other embodiments provide methods for diagnosing, treating, or preventing disorders associated with aberrant expression of KPP. | 03-07-2013 |
20140356342 | HUMAN BETA-ADRENERGIC RECEPTOR KINASE POLYPEPTIDE AND METHODS - Various embodiments of the invention provide human kinases and phosphatases (KPP) polypeptides and polynucleotides which identify and encode KPP. Embodiments of the invention also provide expression vectors, host cells, antibodies, agonists, and antagonists. Other embodiments provide methods for diagnosing, treating, or preventing disorders associated with aberrant expression of KPP. | 12-04-2014 |
Patent application number | Description | Published |
20090037277 | System and methods for auction based polling - A system and method for auction based polling is provided. Parameters related to a poll are received from a first user. Parameters related to a poll are received from a first user. A query is associated with the poll. A priority of the poll is determined based on the parameters. The poll is distributed to one or more second users according to the priority. Results to the poll are gathered. The results are reported to the first user. | 02-05-2009 |
20090182589 | Communicating Information in a Social Networking Website About Activities from Another Domain - A social networking website logs information about actions taken by members of the website. For a particular member of the website, the website generates socially relevant ads for the member based on the actions logged for other members on the website to whom the member is connected (i.e., the member's online friends). The advertiser associated with the social ad may compensate the social networking website for publishing the ad on the website. When presenting a member with a social ad, the website may optimize advertising revenue by selecting an ad from the received ads that will maximize the expected value of the social ad. The expected value may be computed according to a function that includes the member's affinity for the ad content and the bid amount. The technique is also applied for providing socially relevant information off the social networking website. | 07-16-2009 |
20110029388 | Social Advertisements and Other Informational Messages on a Social Networking Website, and Advertising Model for Same - A social networking website logs information about actions taken by members of the website. For a particular member of the website, the website generates socially relevant ads for the member based on the actions logged for other members on the website to whom the member is connected (i.e., the member's online friends). The advertiser associated with the social ad may compensate the social networking website for publishing the ad on the website. When presenting a member with a social ad, the website may optimize advertising revenue by selecting an ad from the received ads that will maximize the expected value of the social ad. The expected value may be computed according to a function that includes the member's affinity for the ad content and the bid amount. The technique is also applied for providing socially relevant information off the social networking website. | 02-03-2011 |
20120095836 | Social Advertisements Based on Actions on an External System - A social networking system generates socially-relevant ads for a user based on actions taken by other users to whom the user is connected. These may be actions taken on, and determined by, an external system, information about which actions can be received by the social networking system and used for matching to an advertisement request. The social networking system may determine a social context for advertising to a user based on the action and may generate an advertisement for the matched ad request that includes an informational message communicating the social context (i.e., an ad with the information message appended to it, a news story for the informational message, etc.). The ad may be targeted to the user based on user affinity for the ad, based on an object interacted with or an action taken by the user's connections on or external to the social networking system, among other criteria. | 04-19-2012 |
20120101898 | PRESENTING PERSONALIZED SOCIAL CONTENT ON A WEB PAGE OF AN EXTERNAL SYSTEM - A social networking system generates socially-relevant stories for a user based on other users (e.g., based on actions taken by other users) to whom the user is connected. These socially-relevant stories, including news stories, social advertisements, etc., may be presented on a web page within a domain of an external system that is different from the domain of the social networking system. When a web page from an external system is requested for a viewing user, the social content about other users who are connected to the viewing user may be provided by the social networking system for that viewing user. This personalized social content may be presented in a frame (e.g., an iframe) of the external web page rendered and provided for display to the viewing user. | 04-26-2012 |
20120109757 | SPONSORED STORIES AND NEWS STORIES WITHIN A NEWSFEED OF A SOCIAL NETWORKING SYSTEM - A social networking system generates socially-relevant stories for a user based on actions taken by other users to whom the user is connected. The social networking system may receive a request for a sponsored story for a viewing user and may select information about one or more actions performed by one or more users to whom the viewing user is connected to identify one of a plurality of candidate information for a sponsored story based on one or more criteria (e.g., affinity of the viewing user for the candidates, expected value for the candidates, etc.). The social networking system may also generate the sponsored story and generate a feed comprising the sponsored story and news stories (e.g., non-sponsored stories) about one or more users of the social networking system with whom the viewing user is connected. This feed may be provided for display to the viewing user. | 05-03-2012 |
20120203847 | Sponsored Stories and News Stories within a Newsfeed of a Social Networking System - A social networking system generates socially-relevant stories for a user based on actions taken by other users to whom the user is connected. The social networking system may receive a request for a sponsored story for a viewing user and may select information about one or more actions performed by one or more users to whom the viewing user is connected to identify one of a plurality of candidate information for a sponsored story based on one or more criteria (e.g., affinity of the viewing user for the candidates, expected value for the candidates, etc.). The social networking system may also generate the sponsored story and generate a feed comprising the sponsored story and news stories (e.g., non-sponsored stories) about one or more users of the social networking system with whom the viewing user is connected. This feed may be provided for display to the viewing user. | 08-09-2012 |
20120204096 | Presenting Personalized Social Content on a Web Page of an External System - A social networking system generates socially-relevant stories for a user based on other users (e.g., based on actions taken by other users) to whom the user is connected. These socially-relevant stories, including news stories, social advertisements, etc., may be presented on a web page within a domain of an external system that is different from the domain of the social networking system. When a web page from an external system is requested for a viewing user, the social content about other users who are connected to the viewing user may be provided by the social networking system for that viewing user. This personalized social content may be presented in a frame (e.g., an iframe) of the external web page rendered and provided for display to the viewing user. | 08-09-2012 |
20120296749 | AUCTION-BASED SELECTION AND PRESENTATION OF POLLS TO USERS - A system and method for auction based polling is provided. Parameters related to a poll are received from a first user. Parameters related to a poll are received from a first user. A query is associated with the poll. A priority of the poll is determined based on the parameters. The poll is distributed to one or more second users according to the priority. Results to the poll are gathered. The results are reported to the first user. | 11-22-2012 |
20130013695 | Engagement Interface Advertising In A Social Network - A social network advertises to its members with engagement interfaces. An engagement interface comprises a call to action and a link to perform the action within the social network from within the engagement interface. Responsive to a user selection of the link to perform the action, the engagement interface modifies one or more objects within the social network associated with the call to action according to the selection of the link to perform the action. The engagement interface may be refreshed on the user's screen to indicate to the user that the action has been performed. An engagement interface may also be presented to a user from the social network or from an external system apart from the social network. | 01-10-2013 |
20130080523 | INSTANTANEOUS RECOMMENDATION OF SOCIAL INTERACTIONS IN A SOCIAL NETWORKING SYSTEM - As a user of a social networking system views a page that includes information provided by the system, certain types of social interactions are monitored. If an interaction monitored for is detected, at least one recommendation unit is identified to present to user on the page. The recommendation unit is identified based on a description of the interaction. The recommendation unit suggests that the user perform a social interaction in the social networking system. The recommendation unit is transmitted to a device of the user and is presented to the user on the page without having to reload the entire page. | 03-28-2013 |
20130080524 | INSTANTANEOUS RECOMMENDATION OF SOCIAL INTERACTIONS IN A SOCIAL NETWORKING SYSTEM - When a social interaction by a user in a social networking system is detected, a description of the interaction is created. A service level auction is performed to select one or more service modules to provide recommendation units from a plurality of service modules. Each of the plurality of service modules is configured to provide recommendation units that suggest that the user engage in a social interaction in the social networking system. The description of the interaction is provided to each service module selected and recommendation units are requested. A plurality of recommendation units are received from the selected service modules. A unit level auction is performed to select one of more recommendation units to present to the user from the plurality of recommendation units. The selected recommendation units are transmitted to a device of the user for presentation. | 03-28-2013 |
20130159403 | Sponsored Stories Unit Creation from Organic Activity Stream - Methods, apparatuses and systems directed to sponsored story generation from an organic activity stream in a social networking site. A user wishing to promote an entry from an organic activity stream may, using a sponsor user interface, specify the types of stories to promote to a portion of the home page displayed to a member of a social network. | 06-20-2013 |
20130198008 | Social Advertisements And Other Informational Messages On A Social Networking Website, And Advertising Model For Same - A social networking website logs information about actions taken by members of the website. For a particular member of the website, the website generates socially relevant ads for the member based on the actions logged for other members on the website to whom the member is connected (i.e., the member's online friends). The advertiser associated with the social ad may compensate the social networking website for publishing the ad on the website. When presenting a member with a social ad, the website may optimize advertising revenue by selecting an ad from the received ads that will maximize the expected value of the social ad. The expected value may be computed according to a function that includes the member's affinity for the ad content and the bid amount. The technique is also applied for providing socially relevant information off the social networking website. | 08-01-2013 |
20130204954 | COMMUNICATING INFORMATION IN A SOCIAL NETWORKING WEBSITE ABOUT ACTIVITIES FROM ANOTHER DOMAIN - A social networking website logs information about actions taken by members of the website. For a particular member of the website, the website generates socially relevant ads for the member based on the actions logged for other members on the website to whom the member is connected (i.e., the member's online friends). The advertiser associated with the social ad may compensate the social networking website for publishing the ad on the website. When presenting a member with a social ad, the website may optimize advertising revenue by selecting an ad from the received ads that will maximize the expected value of the social ad. The expected value may be computed according to a function that includes the member's affinity for the ad content and the bid amount. The technique is also applied for providing socially relevant information off the social networking website. | 08-08-2013 |
20130297702 | SPONSORED-STORIES-UNIT CREATION FROM ORGANIC ACTIVITY STREAM - A method includes receiving sponsor specifications designating story characteristics, monitoring an organic activity stream for entries matching the story characteristics, and, in response to identifying an entry as matching the story characteristics, providing for display the entry in a predetermined area of a web page. | 11-07-2013 |
20140006173 | INTERFACE FOR SPONSORING STORIES WITHIN A SOCIAL NETWORKING SYSTEM | 01-02-2014 |
20140040042 | MONITORING ACTIVITY STREAM FOR SPONSORED STORY CREATION - A method includes monitoring an activity stream to identify actions that match stored sponsored story specifications, for providing one or more sponsored stories to a viewing user. The sponsored story specifications include a visual specification for the sponsored story, and matched sponsored stories are ranked for a viewing user. Users can set privacy preferences related to sponsored stories. The ranking and privacy settings contribute to which sponsored stories are provided for display to the viewing user. | 02-06-2014 |
20140052780 | Sponsored Stories Unit Creation from Organic Activity Stream - Methods, apparatuses and systems directed to sponsored story generation from an organic activity stream in a social networking site. A user wishing to promote an entry from an organic activity stream may, using a sponsor user interface, specify the types of stories to promote to a portion of the home page displayed to a member of a social network. | 02-20-2014 |
20140108550 | INSTANTANEOUS RECOMMENDATION OF SOCIAL INTERACTIONS IN A SOCIAL NETWORKING SYSTEM - As a user of a social networking system views a page that includes information provided by the system, certain types of social interactions are monitored. If an interaction monitored for is detected, at least one recommendation unit is identified to present to user on the page. The recommendation unit is identified based on a description of the interaction. The recommendation unit suggests that the user perform a social interaction in the social networking system. The recommendation unit is transmitted to a device of the user and is presented to the user on the page without having to reload the entire page. | 04-17-2014 |
20140108965 | SPONSORED STORY SHARING USER INTERFACE - A method includes monitoring an activity stream to identify actions that match stored sponsored story specifications, for providing one or more sponsored stories to a viewing user. The sponsored story specifications include a visual specification for the sponsored story, and matched sponsored stories are ranked for a viewing user. Users can set privacy preferences related to sponsored stories. The ranking and privacy settings contribute to which sponsored stories are provided for display to the viewing user. | 04-17-2014 |
20140115500 | SPONSORED STORY USER INTERFACE - A method includes monitoring an activity stream to identify actions that match stored sponsored story specifications, for providing one or more sponsored stories to a viewing user. The sponsored story specifications include a visual specification for the sponsored story, and matched sponsored stories are ranked for a viewing user. Users can set privacy preferences related to sponsored stories. The ranking and privacy settings contribute to which sponsored stories are provided for display to the viewing user. | 04-24-2014 |
20140122249 | SPONSORED STORY CREATION USING INFERENTIAL TARGETING - A method includes monitoring an activity stream to identify actions that match stored sponsored story specifications, for providing one or more sponsored stories to a viewing user. The sponsored story specifications include a visual specification for the sponsored story, and matched sponsored stories are ranked for a viewing user. Users can set privacy preferences related to sponsored stories. The ranking and privacy settings contribute to which sponsored stories are provided for display to the viewing user. | 05-01-2014 |
20140123034 | SPONSORED STORY CREATION USER INTERFACE - A method includes monitoring an activity stream to identify actions that match stored sponsored story specifications, for providing one or more sponsored stories to a viewing user. The sponsored story specifications include a visual specification for the sponsored story, and matched sponsored stories are ranked for a viewing user. Users can set privacy preferences related to sponsored stories. The ranking and privacy settings contribute to which sponsored stories are provided for display to the viewing user. | 05-01-2014 |
20140337142 | Sponsored Stories Application Programming Interface (API) - To provide a sponsored story unit, the social networking system receives a story request from an advertiser. The story request specifies properties of content used to generate the sponsored story. When the social networking system stores an object or an action performed on an object, properties associated with, and describing, the object or the action are also stored. For example, properties of an object include an object type, an object identifier, metadata describing the object or other suitable information. The social networking system identifies actions or objects associated with users connected to a viewing user having one or more properties included in a story request. A sponsored story is generated from the identified actions or objects and presented to a viewing user. | 11-13-2014 |
Patent application number | Description | Published |
20080263482 | Method and Apparatus for Small Die Low Power System-on-Chip Design with Intelligent Power Supply Chip - A method and system of system-on-chip design that provides the benefits of reduced design time, a smaller die size, lower power consumption, and reduced costs in chip design and production. The process seeks to remove the worst performance and worst power case scenarios from the design and application phases. This is accomplished by planning the power supply voltage in the design phase along with its tolerance with process corner and temperature combinations. The established plan is then applied with communications between power supply integrated circuits and load system-on-chip. | 10-23-2008 |
20080297381 | METHODS OF USING PREDICTIVE ANALOG TO DIGITAL CONVERTERS - Methods and devices are disclosed for performing analog to digital signal conversion in shorter time and/or with less power consumption than that of a comparable analog to digital conversion that uses a conventional sequential approximation method based on a binary search. In one embodiment, a predictive guess is supplied as a digital first signal. The digital first signal is converted (D/A) to a counterpart, analog guess signal. A comparison is made between the analog guess signal and a received, analog input sample signal. The result of the comparison is used to improve on the initially supplied guess in a next cycle. Fewer cycles and less power is consumed if the initial guess is within a certain range of the actual magnitude of the analog input sample signal. In one embodiment, a digital modeler is used to model a process underlying the analog input sample signal and to thereby provide fairly good guesses. | 12-04-2008 |
20100111241 | Digital Phase Lock Loop with Multi-Phase Master Clock - A digital phase lock loop circuit with reduced jitter at the output is disclosed. The digital phase lock loop circuit includes a phase frequency detector that determines a phase difference between a feedback signal and a reference frequency signal to generate an error signal indicative of the phase difference. A numerically controlled oscillator generates a first oscillator output signal with a frequency proportional to the error signal and a second oscillator output signal indicative of jitter of the first oscillator output signal in reference to the reference frequency signal. A phase accuracy extender determines a delay amount from the second oscillator output signal and delays the first oscillator output signal by the delay amount to generate a phase-enhanced output signal with edges aligned with one of a plurality of reference clock signals. | 05-06-2010 |
20100207655 | Method and Apparatus for Small Die Low Power System-on-chip Design with Intelligent Power Supply Chip - A method and system of system-on-chip design that provides the benefits of reduced design time, a smaller die size, lower power consumption, and reduced costs in chip design and production. The process seeks to remove the worst performance and worst power case scenarios from the design and application phases. This is accomplished by planning the power supply voltage in the design phase along with its tolerance with process corner and temperature combinations. The established plan is then applied with communications between power supply integrated circuits and load system-on-chip. | 08-19-2010 |
20110062872 | Adaptive Switch Mode LED Driver - An adaptive switch mode LED driver provides an intelligent approach to driving multiple strings of LEDs. The LED driver determines an optimal current level for each LED channel from a limited set of allowed currents. The LDO driver then determines a PWM duty cycle for driving the LEDs in each LED channel to provide precise brightness control over the LED channels. Beneficially, the LED driver minimizes the power dissipation in the LDO circuits driving each LED string, while also ensuring that the currents in each LED string are maintained within a limited range. A sample and hold LDO allows PWM control over extreme duty cycles with very fast dynamic response. Furthermore, fault protection circuitry ensures fault-free startup and operation of the LED driver. | 03-17-2011 |
20110096572 | LOW POWER CONSUMPTION START-UP CIRCUIT WITH DYNAMIC SWITCHING - A start-up circuit in a switch-mode power converter that employs a Zener diode to provide a reference voltage to reduce the power consumption and the size of the start-up circuit. The start-up circuit also includes a coarse current source and a coarse reference voltage signal generator for producing current and reference voltage for initial startup operation of a bandgap circuit. The reference signal and current from coarse current source and the reference voltage signal generator are subject to large process, voltage and temperature (PVT) variations or susceptible to noise from the power supply, and hence, these signals are used temporarily during start-up and replaced with signals from higher performance components. After bandgap circuit becomes operational, the start-up receives voltage reference signal from the bandgap circuit to more accurately detect undervoltage lockout conditions. | 04-28-2011 |
20120223648 | Adaptive Switch Mode LED System - A system that provides an intelligent approach to driving multiple strings of LEDs. A processing device determines an optimal current level for each LED string from a limited set of allowed currents. The processing device also determines a PWM duty cycle for driving the LEDs in each LED string to provide precise brightness control over the LED string. The settings for the current level and duty cycle are transmitted to an LED driver for regulating the current and on-off times of the LED strings. Beneficially, the system reduces the size of the LED driver while leveraging existing resources available in the processing device to operate the LEDs in a power efficient manner. | 09-06-2012 |
20130127344 | Adaptive Switch Mode LED Driver - An adaptive switch mode LED driver provides an intelligent approach to driving multiple strings of LEDs. The LED driver determines an optimal current level for each LED channel from a limited set of allowed currents. The LDO driver then determines a PWM duty cycle for driving the LEDs in each LED channel to provide precise brightness control over the LED channels. Beneficially, the LED driver minimizes the power dissipation in the LDO circuits driving each LED string, while also ensuring that the currents in each LED string are maintained within a limited range. A sample and hold LDO allows PWM control over extreme duty cycles with very fast dynamic response. Furthermore, fault protection circuitry ensures fault-free startup and operation of the LED driver. | 05-23-2013 |
20130147374 | HIGH PERFORMANCE ADAPTIVE SWITCHED LED DRIVER - An LED driver controls current through an LED string. The LED driver generates a boosted PWM signal to drive a PWM transistor in the LED current path such that the PWM transistor maintains a substantially constant V | 06-13-2013 |
20130169172 | Predictive Control of Power Converter for LED Driver - A system controls a switching power converter to power LED strings using a predictive feedforward control mechanism. An LED controller determines programmed current levels and duty cycles for driving LED strings. The LED controller determines a predicted load for a subsequent cycle of a switching power converter driving the LED strings based on the programmed current levels and duty cycles. A power conversion controller uses the predicted load information to control switching of the switching power converter. This improves the dynamic response of the switching converter to changing load conditions, thereby improving overall power efficiency and performance of the system. | 07-04-2013 |
20130314391 | PREDICTIVE POWER CONTROL IN A FLAT PANEL DISPLAY - A Predictive Power Control (PPC) device within a TCON Bias IC that addresses an overdesign inefficiency and enables a low cost solution. A PPC block utilizes the next frame image data and interacts with a pulse width modulation (PWM) control block of internal regulators to proactively prepare the output voltages of a power regulator for the power requirements in one or more future frames, for example. | 11-28-2013 |
20130314454 | Selective Dimming to Reduce Power of a Light Emitting Display Device - Selective dimming in a light emitting display device to reduce power consumption. The display device includes a display panel that includes a plurality of light emitting pixels. An image processor is configured to divide an image frame into a plurality of regions and to reduce pixel intensity levels in at least one region of the plurality of regions to generate an adjusted image frame. The at least one region corresponds to a background of the image frame. A display driver converts data for the adjusted image frame into control signals for controlling brightness of the light emitting pixels. The display device may be, for example, an organic light emitting diode (OLED) display device or other type of display device that includes light emitting pixels. | 11-28-2013 |
20140009510 | Display Device with Backlight Dimming Compensation - A light emitting display device with backlight dimming compensation. A backlight emits light based on a backlight control signal. A power supply generates a first supply voltage based on a supply control signal. A data driver converts pixel data into analog data voltages. A dynamic voltage range of the analog data voltages is controlled by the first supply voltage. A pixel array includes a plurality of pixels, and transparency of the pixels to the light emitted by the backlight is based on the analog data voltages. A power control module of the display device determines if a power condition is met and, responsive to the power condition being met, adjusts the backlight control signal to reduce a brightness of light emitted by the backlight and adjusts the supply control signal to increase the first supply voltage. | 01-09-2014 |
20140210365 | HIGH PERFORMANCE ADAPTIVE SWITCHED LED DRIVER - An LED driver controls current through an LED string. The LED driver generates a boosted PWM signal to drive a PWM transistor in the LED current path such that the PWM transistor maintains a substantially constant V | 07-31-2014 |