William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120127150 | Organic Light Emitting Diode Display Device and Method for Driving the Same The present invention an organic light emitting diode display device includes a display panel having a plurality of pixel regions, a gate driving unit for driving gate lines and light emitting control lines of the display panel, a data driving unit for driving data line... | 05/24/2012 |
| 20120105253 | FAILSAFE LED CONTROL SYSTEM A display system comprises first and second LED panels for displaying first and second priority aviation data, a power supply, a modulator, a processor and a logic gate. The modulator generates a modulated voltage for the second LED panel, where the second priority data... | 05/03/2012 |
| 20120105495 | ORGANIC LIGHT EMITTING DISPLAY An organic light emitting display capable of displaying an image with uniform brightness is provided. The display includes a scan driver, a data driver, pixels, an initial power source line coupled to an initial power source, a bias power source line coupled to a bias p... | 05/03/2012 |
| 20120105390 | Organic light emitting display and method of driving the same The organic light emitting display includes a plurality of pixels positioned at intersections of scan lines, emission control lines, and data lines, a scan driver for sequentially supplying scan signals to the scan lines at a first driving frequency in order to select t... | 05/03/2012 |
| 20120081616 | LIGHT EMITTING DIODE MODULE, FLAT PANEL MONITOR HAVING THE LIGHT EMITTING DIODE MODULE, AND METHOD OF OPERATING THE SAME The present application describes a light emitting diode (LED) bar comprising a substrate, a plurality of LED modules, a detector, and a LED driver. The plurality of LED modules are positioned over the substrate, and each LED module has a lens and at least two substanti... | 04/05/2012 |
| 20120044269 | ORGANIC LIGHT EMITTING DIODE DRIVER There is provided an organic light emitting diode driver capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof, and precisely setting calibratio... | 02/23/2012 |
| 20120038615 | LED SWITCH CIRCUITRY FOR VARYING INPUT VOLTAGE SOURCE An LED array switching apparatus, comprises: a plurality of LED arrays arranged in a serial path; a voltage supply coupled to the plurality of LED arrays; a plurality of current sources selectively coupled to the LED arrays, each of the current sources being switchable ... | 02/16/2012 |
| 20120038612 | ORGANIC LIGHT EMITTING DISPLAY DEVICE An organic light emitting display includes: pixels located at crossing regions between scan lines and data lines; a first control line and a second control line commonly coupled to the pixels; a control line driver configured to supply a first control signal to the firs... | 02/16/2012 |
| 20120026106 | ELECTRONIC PAPER DISPLAY Disclosed herein is an electronic paper display. The electronic paper display includes an electronic paper panel, a light guide structure, and a light source. The light guide structure is disposed over the electronic paper panel for reflecting and scattering light. The ... | 02/02/2012 |
| 20120026075 | APPARATUS AND METHOD FOR CREATING A CROWD-BASED VISUAL DISPLAY WITH PIXELS THAT MOVE INDEPENDENTLY The present invention provides a light-emitting apparatus and a method by which a crowd-based display is created wherein each light-emitting apparatus represents one of many independently moving pixels in the crowd-based display. This invention also provides methods, bo... | 02/02/2012 |
| 20120019505 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME A pixel includes: an organic light emitting diode; a first transistor having a second electrode coupled with the organic light emitting diode and a first electrode coupled with a data line; a second transistor coupled between a gate electrode and the second electrode of... | 01/26/2012 |
| 20120001888 | VOLTAGE PROGRAMMED PIXEL CIRCUIT, DISPLAY SYSTEM AND DRIVING METHOD THEREOF A voltage programmed pixel circuit, display system having the pixel circuit and driving method thereof is provided. The pixel circuit includes a light emitting device, a driving transistor connected to the light emitting device and a programming circuit. The programming... | 01/05/2012 |
| 20110310084 | Light Emitting Device and Method for Driving Thereof An object of the present invention is to provide a display device consuming lower amounts of power. The display device determines whether or not video signals corresponding to all of pixels in one row of a plurality of pixels are equal to one another. In a case where th... | 12/22/2011 |
| 20110304525 | DISPLAY DEVICE AND ELECTRONIC DEVICE It is an object of the present invention to provide a display device in which a reverse current sufficient enough to insulate a short-circuited point flows and a transistor using amorphous silicon is used is applied. The display device includes a switching transistor th... | 12/15/2011 |
| 20110304592 | ENERGY SENSING LIGHT EMITTING DIODE DISPLAY A display that includes energy sensors within the display itself is disclosed. An Organic Light Emitting Diode (OLED) can be made to operate both as a light emitter and as an energy detector. When forward biased with an appropriate driving signal, the OLED emits light v... | 12/15/2011 |
| 20110298764 | METHOD AND DEVICE FOR AUTOMATICALLY CONTROLLING LUMINANCE OF DISPLAY UNIT A method and an apparatus for displaying and controlling a screen of a portable terminal device are provided. The apparatus includes a sensor for detecting illumination according to peripheral brightness, and a display unit for outputting display data of the portable te... | 12/08/2011 |
| 20110292027 | BACKLIGHT CONTROL DEVICE AND METHOD FOR CONTROLLING A DRIVING CURRENT OF AN LED A backlight control device for controlling a driving current of an LED is disclosed. By controlling current outputs from current sources of a plurality of current output units, a display will be able to generate desirable backlight. Then by adjusting currents output by ... | 12/01/2011 |
| 20110285691 | VOLTAGE COMPENSATION TYPE PIXEL CIRCUIT OF ACTIVE MATRIX ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE A voltage compensation type pixel circuit of an AMOLED display device includes a driving transistor serially connected to a light emitting element between high-potential and low-potential power lines to drive the light emitting element in response to a voltage supplied ... | 11/24/2011 |
| 20110285678 | LED DRIVER CIRCUIT A LED driver circuit, including a LED module, a bias circuit, a first switch, an inductor, a regulator, a controller, a second switch, and a current-to-voltage converter, is used to provide a load current for the LED module, wherein the bias circuit is biased by a first... | 11/24/2011 |
| 20110279435 | DISPLAY DEVICE AND DISPLAYING METHOD THEREOF, AND DRIVING CIRCUIT FOR CURRENT-DRIVEN DEVICE The present invention provides a display device, a displaying method thereof and a driving circuit for current-driven device. Each pixel of the display device includes a current-driven device and a driving circuit. A first terminal of the current-driven device is electr... | 11/17/2011 |
| 20110273410 | LED DISPLAY APPARATUS HAVING ACTIVE DEVICES AND FABRICATION METHOD THEREOF An active matrix LED display apparatus and a fabrication method thereof are provided. The active matrix LED display apparatus enables to miniaturize pixel by a formation of wiring on bottom layer and an assembly of each block through each eutectic layer into each transi... | 11/10/2011 |
| 20110267297 | SEMICONDUCTOR DISPLAY DEVICE AND DRIVING METHOD THE SAME It is an object to provide a semiconductor display device having a touch panel, which can reduce power consumption. The semiconductor display device includes a panel which is provided with a pixel portion and a driver circuit which controls an input of the image signal ... | 11/03/2011 |
| 20110261044 | LIGHT EMITTING PIXEL AND APPARATUS FOR DRIVING THE SAME A light emitting pixel includes a first organic light emitting diode (OLED) and a capacitor supplying to the first OLED current generated by an electric charge corresponding to a difference between a first voltage supplied to a first electrode of the capacitor and a sec... | 10/27/2011 |
| 20110261090 | INSULATING GLASS PANE The present invention concerns an insulating glass pane comprising a first and a second pane of glass, the first and second panes are arranged in mutually plane-parallel spaced relationship by means of spacers, an insulating space is formed between the first and second ... | 10/27/2011 |
| 20110261016 | Optical touch screen system and method for recognizing a relative distance of objects An optical touch screen system for recognizing a relative distance of an object based on optical sensors includes a display screen to display visual prompts to solicit actions from a user; first and second lighting and sensing modules mounted on two adjacent corners of ... | 10/27/2011 |
| 20110234579 | APPARATUS AND METHOD FOR DRIVING LIGHT EMITTING DIODE A driving apparatus for driving at least one first light emitting diode unit and a second light emitting diode unit includes a data transmitting unit and a driving unit. The data transmitting unit is used for receiving and storing driving data. The driving data includes... | 09/29/2011 |
| 20110227896 | ORGANIC LIGHT EMITTING DIODE DISPLAY An organic light emitting diode (OLED) display including a substrate main body; a driving circuit on the substrate main body; an organic light emitting element on the driving circuit; and a front substrate covering the organic light emitting element and coupled to the s... | 09/22/2011 |
| 20110227964 | LIFETIME UNIFORMITY PARAMETER EXTRACTION METHODS A system and method for deriving a sequence of OLED non-uniformity test patterns. A pattern generator generates a full sequence of display patterns according to a transform function, such as a discrete cosine transformation or wavelet transformation. A driver drives a d... | 09/22/2011 |
| 20110227815 | PWM precharge of organic light emitting diodes Methods for PWM precharging of organic light emitting diodes (OLEDs) have been disclosed. Image quality has been improved by including the light generated during pre-charge phase is included in the overall budget. The approach invented is especially beneficial to displa... | 09/22/2011 |
| 20110221720 | AMOLED DISPLAY WITH OPTICAL FEEDBACK COMPENSATION In one aspect, the present invention relates to a display. In one embodiment, the display has a substrate, and a plurality of pixels formed on the substrate and arranged in an array. Each pixel includes a driving transistor and a read-out transistor spatially formed on ... | 09/15/2011 |
| 20110205206 | Display device and driving method thereof A display device includes a display unit including a plurality of scan lines, a plurality of data lines to which a plurality of compensation data signals are transmitted, a plurality of light emitting signal lines, and a plurality of pixels respectively connected to the... | 08/25/2011 |
| 20110205216 | SIGNAL LINE DRIVING CIRCUIT AND LIGHT EMITTING DEVICE Dispersion occurs in the characteristics of the transistors. The invention is a signal line driving circuit having a first and a second current source circuits corresponding to each of a plurality of signal lines, a shift register, and a constant current source for vide... | 08/25/2011 |
| 20110205198 | Organic Light Emitting Display Device An organic light emitting display device comprises: a substrate; a plurality of thin film transistors (TFTs) formed on a first surface of the substrate; a passivation layer covering the plurality of TFTs; a plurality of first pixel electrodes formed on the passivation l... | 08/25/2011 |
| 20110199395 | SYSTEM AND METHOD FOR COMPENSATION OF NON-UNIFORMITIES IN LIGHT EMITTING DEVICE DISPLAYS A system and method for operating a display at a constant luminance even as some of the pixels in the display are degraded over time. Each pixel in the display is configured to emit light when a voltage is supplied to the pixel's driving circuit, which causes a current ... | 08/18/2011 |
| 20110199286 | Spherical Electronic LCD Display A spherical electronic display is disclosed that includes a spherical display screen that is able to display electronically generated images on its surface using electronic display technology included in the surface, and an electronic control unit in communication with ... | 08/18/2011 |
| 20110187699 | Pixel circuit, display and driving method thereof The invention provides a pixel circuit that can cancel the influence of the mobility of a drive transistor. A drive transistor supplies a light-emitting element with an output current dependent upon an input voltage. The light-emitting element emits light with a luminan... | 08/04/2011 |
| 20110187888 | DRIVE CIRCUIT AND DRIVE METHOD OF LIGHT EMITTING DISPLAY APPARATUS A drive circuit for a light emitting display apparatus including a pixel circuit having a light emitting device for emitting a light having brightness determined based on supplied current and a drive transistor for supplying the current to the light emitting device, com... | 08/04/2011 |
| 20110187697 | DC-DC CONVERTER AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME An organic light emitting display device includes a DC-DC converter that is capable of reducing power consumption by increasing efficiency. The DC-DC converter includes: a variable resistor; an oscillator configured to output a frequency control signal having a frequenc... | 08/04/2011 |
| 20110175838 | METHOD AND SYSTEM FOR PROVIDING A HAPTIC COMPUTER INTERFACE A method and system of an embodiment may include a system comprising a touch screen display panel, and a tactile panel with one or more raised surfaces wherein the touch screen display panel is positioned on top of the tactile panel and the tactile panel creates one or ... | 07/21/2011 |
| 20110169798 | Active Matrix Organic Light Emitting Diode (OLED) Display, Pixel Circuit and Data Current Writing Method Thereof An exemplary active matrix organic light emitting diode (OLED) display includes a data line, a current sensing line, a power line and a plurality of pixels all electrically coupled to the data line, the current sensing line and the power line. During a data current is w... | 07/14/2011 |