Abstract: In one or more embodiments, a computer-implemented method and system to receive, store and process status and activity information of subscriber devices connected to a network is disclosed. The method and system comprise delivering information relating to the status or activity of at least one device to one or more of the services used by the network operator for subscription and device management (such as a home subscriber server or HSS, gateway or policy and charging rules function or PCRF) and extracting all or at least a portion of the information received by the HSS, gateway or PCRF. The system and method further includes storing the status and activity information for the at least one device received by the at least one subscription and device management service into one or more distributed database nodes.

Abstract: A method and system are disclosed for connecting a device to subscriptions and cellular billing plans of separate users and for managing the concurrent use of the device by the separate users. A computer-implemented method comprises enrolling a device in a cellular subscription and billing plan of a user. The enrollment includes providing an identifier for the device to a cellular subscription, effectively adding the device to the cellular subscription and billing plan selected by the user. The method and system allows the user to use capabilities of the device as governed by the cellular subscription and an associated billing plan as selected by that user, while the device is also available for use by another user via another cellular billing plan, as selected by that user.

Abstract: A circuit for driving an organic light emitting diode display includes a display panel that displays an image by using organic light emitting diodes disposed at intersection areas of a plurality of gate lines and a plurality of data lines; a threshold voltage detection control unit that supplies a precharge voltage by sequentially turning on transistors for threshold voltage detection, which are connected among the data lines and the organic light emitting diodes on the display panel, in units of horizontal lines, and enables threshold voltages to be detected; and a source driver that detects threshold voltages of all organic light emitting diodes arranged on a corresponding horizontal line, and repeats an operation, as necessary, for sampling/holding the detected threshold voltages through M sample/hold circuits, converting the sampled/held threshold voltages into digital signals, and storing the digital signals in a memory.

Abstract: An approach is provided for mobile communication terminal authentication. An invitation message is generated based on an invitation request received from a first mobile communication terminal, the invitation request including invitation information associated with a second mobile communication terminal. First authentication information associated with the invitation message is stored. The invitation message is transmitted to the second mobile communication terminal. An authentication request is received from the second mobile communication terminal, the invitation request including second authentication information extracted from the invitation message. The second mobile communication terminal is authenticated based on a comparison of the first authentication information and the second authentication information.

Abstract: The present invention relates generally to network communications, and more particularly to machine-to-machine (M2M) data communications. The present invention provides for a method, apparatus and computer program product for allocating and assigning a first APN used in the M2M network which is utilized to provide a M2M control message, to provide satisfactory service levels to a user of the network without overburdening the assigned APN. A control APN approach using M2M control messaging is provided.

Abstract: Provided is a driver IC chip of a liquid crystal display (LCD). The driver IC chip has a layout of power pads, which may uniformly apply an adhesive force on the entire adhesion surface of the driver IC chip, when the driver IC chip is mounted on a display panel according to a chip-on-glass (COG) technique.

Abstract: A method for routing gamma voltages in a flat panel display that includes a plurality of source driver integrated circuits (SDICs) each having a plurality of gamma buffers. The method includes forming routing lines to route a plurality of gamma voltages; connecting the routing lines to output terminals of the gamma buffers; applying the reset gamma voltage to the gamma buffer of selected SDIC after selecting the SDIC in which the gamma voltage is required to be reset in consideration of heating values of the SDICs, and changing connection between a routing line corresponding to the selected gamma buffer and a tap point of a resistor string of the SDIC such that the connection corresponds to the reset gamma voltage.

Abstract: A liquid crystal display driving circuit and method. A data register block of a controller applies in advance a polarity control signal to data before the data are stored in latches of a data driver, exchanges the data, and then stores the exchanged data in the latches. Thereby, it is possible to provide multiplexers, which are otherwise required for respective channels, to one controller and to decrease the size of a chip.

Abstract: An LCD driving circuit includes a first buffer configured to have a terminal for a first voltage, a terminal for a second voltage and a terminal for an intermediate voltage between the first voltage and the second voltage, and be driven in a range from the first voltage to the intermediate voltage; and a second buffer configured to have a terminal for the first voltage, a terminal for the second voltage and a terminal for the intermediate voltage, and be driven in a range from the intermediate voltage to the second voltage. The terminal for the intermediate voltage of the first buffer and the terminal for the intermediate voltage of the second buffer are connected with each other, and the first voltage is a highest voltage, the second voltage is a lowest voltage, and the intermediate voltage is in a range from the first voltage to the second voltage.

Abstract: A method and system are disclosed for connecting a device to subscriptions and cellular billing plans of separate users and for managing the concurrent use of the device by the separate users. A computer-implemented method comprises enrolling a device in a cellular subscription and billing plan of a user. The enrollment includes providing an identifier for the device to a cellular subscription, effectively adding the device to the cellular subscription and billing plan selected by the user. The method and system allows the user to use capabilities of the device as governed by the cellular subscription and an associated billing plan as selected by that user, while the device is also available for use by another user via another cellular billing plan, as selected by that user.

Abstract: Disclosed is a liquid crystal display panel driving circuit for driving a liquid crystal display panel with a resolution of N bits. N-bit digital data including upper X bits and lower Y bits is inputted. The liquid crystal display panel driving circuit includes a resistor string unit according to areas, a DAC converter switching unit according to areas, and an interpolation amplifier. The resistor string unit outputs analog reference voltages at different ratios according to three areas. The DAC converter switching unit receives the N-bit digital data, selects (Y+1) analog voltages from the analog reference voltages based on the upper X bits, outputs the (Y+1) analog voltages, and outputs the (Y+1) analog voltages of different combinations based on the lower Y bits. The interpolation amplifier receives the (Y+1) analog voltages and generates an interpolated output voltage by setting weights for the (Y+1) analog voltages by using multi-factors.

Abstract: To select a shoulder-tap method or a set of methods that optimizes the delivery of a shoulder-tap with respect to feasibility, reliability, and cost, in accordance with the present invention. Each shoulder-tap method can be evaluated on its feasibility, reliability and cost. A shoulder-tap method can be selected and used that optimizes reliability and cost with respect to feasibility constraints.

Abstract: Provided is a technology for preventing noisy data from being displayed before valid data is inputted when power is turned on in a liquid crystal display.

Abstract: A computer-implemented method and system for buying and selling cellular service in a market allowing real-time pricing is disclosed. The computer-implemented method and system comprise storing at least one offer to sell a specified quantity of cellular service (which may be voice minutes, messages, data or other available service parameters) initiated by a seller, and processing one or more requests to purchase cellular service initiated by one or more buyers. The processing of the requests to purchase cellular service further comprises implementing a method for matching one or more requests to purchase cellular service with any stored offers; wherein when a match occurs the buyer is able to purchase the desired quantity of cellular service. The computer-implemented method and system includes deducting the purchased quantity of cellular service from a service profile of the seller and adding the purchased quantity of cellular service to a service profile of the buyer.

Abstract: Provided is a COG panel system capable of minimizing a block dim effect by considering a relationship among a plurality of chips. The COG panel system includes: an FPC which supplies at least two power supply voltages having a constant voltage level; a plurality of SDIs which are commonly supplied with a bypass power supply voltage from the FPC and generate respective parts of a plurality of consecutive LCD driving signals required for an arbitrary one line of an LCD; and at least one block dim correction resistance.

Abstract: Exemplary embodiments of the invention disclose a method for processing invitation information using a messaging service of a mobile communication terminal, and a service server, a mobile communication terminal, and a computer readable recording medium for performing the same. The method for processing invitation information by a service server includes: generating the invitation information according to a request from an invitation transmitting mobile communication terminal; verifying identification information of an invitation receiving mobile communication terminal in response to the invitation information being requested from the invitation receiving mobile communication terminal installing a service application; and transmitting the invitation information to the invitation receiving mobile communication terminal when the identification information is verified.

Abstract: An approach is provided for mobile communication terminal authentication. An invitation message is generated based on an invitation request received from a first mobile communication terminal, the invitation request including invitation information associated with a second mobile communication terminal. First authentication information associated with the invitation message is stored. The invitation message is transmitted to the second mobile communication terminal. An authentication request is received from the second mobile communication terminal, the invitation request including second authentication information extracted from the invitation message. The second mobile communication terminal is authenticated based on a comparison of the first authentication information and the second authentication information.

Abstract: Provided is a driver IC chip of a liquid crystal display (LCD). The driver IC chip has a layout of power pads, which may uniformly apply an adhesive force on the entire adhesion surface of the driver IC chip, when the driver IC chip is mounted on a display panel according to a chip-on-glass (COG) technique.

Abstract: Provided is a method of driving a liquid crystal display apparatus, and more particularly, to a method of generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip of a liquid crystal display apparatus. Accordingly, by generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip unlike a conventional method where the frame start pulse signal is externally input, it is possible to reduce the number of input pins for inputting the frame start pulse signal and to remove an input line for inputting the frame start pulse signal in a process of mounting the source driver chip in a printed circuit board.