Quotables
"For a list of all the ways technology has failed to improve the quality of life, please press three."
Alice Kahn
PatentStorm News
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.
| Number | Title | Issue Date |
| 8188947 | Pixel and organic light emitting display device including the same An organic light emitting display device including: a plurality of pixels, each of the pixels including an organic light emitting diode (OLED) and a pixel circuit for driving the OLED, the pixel circuit including: a first transistor for transferring a data signal su... | 05/29/2012 |
| 8169387 | Programmable LED driver An LED driver includes an embedded non-volatile memory (NVM) capable of being programmed and storing control data for setting a variety of features of the LED driver, such as the maximum current for driving the LEDs, analog parameters such as the resistance of the i... | 05/01/2012 |
| 8159427 | Image display An image display is provided with a display area including pixels, each including illuminating means. A control circuit turns the illuminating means of the pixels on and off. A capacitance is provided having a first node connected to an input terminal of the control... | 04/17/2012 |
| 8159426 | Organic light emitting display devices and methods of rendering images thereof Organic light emitting display (OLED) devices and methods of rendering image of an OLED device. A pixel of the OLED device includes a first sub-pixel corresponding to a first color, comprising a first pixel electrode and a second sub-pixel corresponding to a second ... | 04/17/2012 |
| 8154484 | Organic light emitting display and driving method thereof with reduced power consumption An organic light emitting display and a driving method thereof capable of reducing power consumption. A driving transistor controls a current through an organic light emitting diode of the display. A voltage controller supplies a first voltage to the anode of the OL... | 04/10/2012 |
| 8149191 | Sequential calibration of matched current sources A system involves LED strings and programmable current source circuits (CSC). An LED current flows through each LED string. Each LED current is controlled by an associated programmable CSC. In one embodiment, the CSCs form a chain. A first CSC uses a reference curre... | 04/03/2012 |
| 8144086 | Organic light emitting display device An organic light emitting display device having a pixel unit including a plurality of scan lines, data lines and pixel power lines arranged in a matrix type and forming respective sub pixels in an intersection region of the plurality of scan lines, data lines and pi... | 03/27/2012 |
| 8144087 | Color LED driver Disclosed herein is a color LED driver, which is capable of being implemented by a compact structure without a feedback structure and accompanying a small size and low cost, by directly connecting a negative temperature coefficient (NTC) thermistor to a driving curr... | 03/27/2012 |
| 8139006 | Power source, display including the same, and associated method A power source for applying a voltage to a pixel circuit, the power source including a sensing unit and a controlling unit. The sensing unit senses a current flowing through a power line coupled to the pixel circuit, the controlling unit increases a voltage applied ... | 03/20/2012 |
| 8139007 | Light-emitting device, display device, and method for controlling driving of the light-emitting device A light-emitting device comprises a power supply line, at least one data line, at least one pixel having a light-emitting element with one end electrically connected to the power supply line and another end set to a prescribed potential, and a first transistor conne... | 03/20/2012 |
| 8139005 | Display device The invention provides a display device (26) including a plurality of discrete display segments (2). Each display segment (2) is provided with a drive circuit for driving the display elements arranged within the display area. The display device ... | 03/20/2012 |
| 8130183 | Scan driver and scan signal driving method and organic light emitting display using the same A scan driver includes a plurality of stages coupled to each other in series, each of the stages configured to receive a clock signal, a clock bar signal, and an input signal, wherein each stage includes a first circuit that is configured to store a first voltage an... | 03/06/2012 |
| 8125421 | Data driver and organic light emitting display device including the same A data driver and an organic light emitting display device including the data driver. The data driver including a shift register part to generate sampling signals in sequence, a latch part to store external data in response to the sampling signals, a current digital... | 02/28/2012 |
| 8125422 | Scan driver, organic light emitting display using the same, and method of driving the organic light emitting display A scan driver capable of freely setting the width of emission control signals and of dividing the emission control signals at least twice in one frame to apply the emission control signals is disclosed. Embodiments of the scan driver include a shift register, receiv... | 02/28/2012 |
| 8120557 | Light emitting device and electronic appliance The present invention is to provide a light emitting device capable of obtaining a certain luminance without influence by the temperature change, and a driving method thereof. A current mirror circuit formed by using a transistor is provided for each pixel. The firs... | 02/21/2012 |
| 8120555 | LED display with control circuit An active-matrix circuit for controlling an LED display pixel that includes a control circuit responsive to control signals for storing a luminance value in a storage circuit during a frame period. A drive circuit responds to the storage circuit for controlling curr... | 02/21/2012 |
| 8120554 | Pixel and organic light emitting display comprising the same, and driving method thereof An OLED pixel, an organic light emitting display comprising the same, and a driving method thereof in which a uniform image is displayed regardless of differences among transistor characteristics are disclosed. The organic light emitting display comprises a pluralit... | 02/21/2012 |
| 8120556 | Organic light emitting display having longer life span An organic light emitting display, including a driving transistor electrically coupled to a first power line, a first switch electrically coupled to the driving transistor and an emission line, a second switch electrically coupled to the driving transistor and a pre... | 02/21/2012 |
| 8111223 | Method of local dimming, backlight assembly for performing the method and display apparatus having the backlight assembly In order to perform local dimming, a driving dimming duty cycle is generated using a target gamma curve (TGV), wherein the driving dimming duty cycle corresponds to a representative grayscale value (RGV) of each of a plurality of dimming unit areas. Each of a plural... | 02/07/2012 |
| 8106859 | Light emitting device, area light source apparatus and image display apparatus Disclosed herein is a light emitting device, including: a light emitting diode; an sealing resin member having an arrangement face and configured to seal the light emitting diode; and a lens disposed on the arrangement face of the sealing resin member and formed so ... | 01/31/2012 |
| 8106858 | Aging compensation for display boards comprising light emitting elements The present invention provides a display board (30) comprising an array of light emitting elements (31), a driving means (32) for driving the light emitting elements (31) with image data, and an aging determination means (33). The ... | 01/31/2012 |
| 8102338 | Organic light emitting diode display and method for manufacturing the same An organic light emitting device including a first pixel, a second pixel and a third pixel displaying different colors from each other according to the present invention, the organic light emitting device includes a reflecting electrode and a translucent member form... | 01/24/2012 |
| 8094101 | Display panel and control method using transient capacitive coupling Panel comprising display drivers which, each 1″′, comprise a select switch and a clamping switch which are controlled by the same select electrode, and a coupling capacitor for transiently coupling the control terminal of this circuit C to an address elec... | 01/10/2012 |
| 8085227 | Control device, illumination device, and display device A control device has: an external terminal receiving a control signal; an output setting circuit changing an output state every time a predetermined edge appears in the control signal; an oscillator generating a clock signal; a period detector counting the number of... | 12/27/2011 |
| 8085226 | Semiconductor device A semiconductor device with a transistor for supplying a current to a pixel comprising an EL element, that can supply an accurate current without the influence of variations even when a small signal current, is provided. A precharge voltage is supplied in advance fo... | 12/27/2011 |
| 8085228 | Display apparatus A display apparatus includes a display panel, a light generator disposed under the display panel to generate light, a light sensor disposed between the display panel and the light generator and which senses a first portion of the light generated by the light generat... | 12/27/2011 |
| 8081146 | Multifunctional driver controllers The present invention discloses a multifunctional driver controller capable to drive one or more voltage-controlled devices or current-controlled devices. According to one embodiment, the multifunctional driver controller comprises a selection unit receiving a contr... | 12/20/2011 |
| 8081145 | Display device A display device for so-called façade displays is proposed which comprises several supports that can be affixed to the façade of an edifice, in particular a building, on the outside or the inside; a plurality of groups of light-emitting diodes that are provided on... | 12/20/2011 |
| 8072401 | Organic light emitting diode display and related pixel circuit A pixel circuit includes a first transistor coupled to a supply voltage end, a second transistor coupled to a ground end, a storage capacitor, a third transistor coupled to a data end, a fourth transistor, a fifth transistor coupled to the second transistor and the ... | 12/06/2011 |
| 8059071 | Pixel and organic light emitting display having reduced number of output lines in a data driver A pixel and an organic light emitting display using the same, which reduces the number of output lines in a data driver and stably express black gradation. The pixel includes an organic light emitting diode; a storage capacitor coupled between a first power supply a... | 11/15/2011 |
| 8059072 | Pixels, display devices utilizing same, and pixel driving methods A pixel including a light-emitting element, a driving transistor, a maintain capacitor, a switch device, and a control device. The driving transistor is serially coupled to the light-emitting element for driving the light-emitting element to emit light and has a thr... | 11/15/2011 |
| 8054258 | Pixel, organic light emitting display device and driving method thereof A pixel includes an organic light emitting diode, a first transistor coupled to a scan line and a data line, the first transistor being configured to receive a data signal via the data line when a scan signal is supplied to the scan line, a storage capacitor configu... | 11/08/2011 |
| 8054259 | Pixel and organic light emitting display device using the same A pixel for compensating for the threshold voltage of a drive transistor and the voltage drop of a first power source is provided. The pixel includes an organic light emitting diode; a driving transistor coupled between a first power source and the organic light emi... | 11/08/2011 |
| 8054257 | Organic light emitting display and driving method of inspection circuit of organic light emitting display An OLED display and a driving method of an inspection circuit are provided. The OLED display may include a data driver, a scan driver, a driving transistor, a switching transistor, an organic light emitting diode, and an inspection circuit. The data driver and scan ... | 11/08/2011 |
| 8049687 | Organic electroluminescent display device including upper and lower display areas and driving method thereof A method of driving a display device includes outputting an upper data signal array of a (n+1)th frame to an upper display area of a display panel during a first frame period; and, outputting a lower data signal array of a nth frame to a lower ... | 11/01/2011 |
| 8049688 | 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... | 11/01/2011 |
| 8049690 | Circuit and method for driving light emitting diodes A circuit and a method for driving light emitting diodes (LEDs) are provided. First, an input voltage is converted into an output voltage and the output voltage is transmitted to the anode terminals of LED strings. The output voltage is reduced when the output volta... | 11/01/2011 |
| 8049689 | Devices and methods for synchronized illumination Disclosed is a display of a particular size that may be perceived as larger than the particular size as a result of light emitted by one or more light guides adjacent the perimeter of the display. The display may also be perceived as brighter. In particular, the dis... | 11/01/2011 |
| 8044896 | Organic electroluminescent display and pixel driving circuit thereof for reducing the kink effect A pixel driving circuit includes a first transistor, a second transistor, a third transistor, a forth transistor, a switching circuit, a first voltage generator, a second voltage generator, and a light emitting element. The source of the first transistor is electric... | 10/25/2011 |
| 8044898 | LED display apparatus having a column and row controller An LED display apparatus 1 in which at least multiple LEDs are serially-connected to a power circuit part having a constant current power source, each one of the LEDs has a switching element parallel-connected thereto, and a control circuit part is used to se... | 10/25/2011 |
