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Search Results for AMOLED

Results 1 - 40 of 1682 - maximum of 1000 results shown
1                      
NumberTitleIssue Date
7259521Video driver architecture for AMOLED displays
... will inevitably fluctuate whenever circuitry in the application device is powered up from being in a standby mode. For example, the AMOLED display may be incorporated in a cellular telephone where the battery voltage is coupled to a voltage regulator to ...
08/21/2007
7116295Method and system for testing driver circuits of amoled
... it to determine the status of the driver circuit. The said steps executed repeatedly, all driver circuits of the AMOLED are tested efficiently and precisely. Inventors: Shih; An (Changhua, TW) Assignee: TPO Displays Corp. (Miao-Li, TW) ...
10/03/2006
20080191977Method and apparatus for digitally driving an AMOLED
... used as a method that is capable of uniformly displaying an image, while being less affected by the characteristic dispersion of the AMOLED. [0007]Time-division driving methods include a display-period-separated (DPS) driving method and a ...
08/14/2008
20080165165Driver Circuit of AMOLED with Gamma Correction
... the feedback signal at the source thereof and provides the current at the drain thereof. 8. The driver circuit of an AMOLED with gamma correction of claim 1, wherein the resistive element is a resistor. 9. The driver circuit of an AMOLED with ...
07/10/2008
7123043Method and apparatus for testing driver circuits of AMOLED
... G of the second transistor M2. The drain D, or the source S, of the second transistor M2 is connected to the array glass of the AMOLED (not shown) and, after implantation of an OLED, will be connected to the OLED. To specify the method of the present ...
10/17/2006
20080111809Driving circuit and method for AMOLED using power pulse feed-through technique
... the driving transistor to active to generate a driving current to the light-emitting device. 5. A driving method for an AMOLED driving circuit, wherein the driving circuit corresponding to one light-emitting device hasa first switching ...
05/15/2008
20090213049CORRECTION OF TFT NON-UNIFORMITY IN AMOLED DISPLAY
... to calibration of current variations in the pixels/sub-pixels of an active matrix organic light-emitting diode (AMOLED) display caused by non-uniformity of thin-film transistors (TFTs) in the sub-pixels. [0004]2. Description of the Related ...
08/27/2009
7199397AMOLED circuit layout
... laser beam energy is spent in irradiating unnecessary portions of the amorphous silicon thin film areas, the conventional AMOLED circuit layout results in an inefficient use of manufacturing resources. And the unnecessary expenditure of the laser beam ...
04/03/2007
20080238327AMOLED DRIVE CIRCUIT USING TRANSIENT CURRENT FEEDBACK AND ACTIVE MATRIX DRIVING METHOD USING THE SAME
... current of the variable current source depending on variation in the voltage of the output node of the current DAC. 6. The AMOLED drive circuit as set forth in claim 5, wherein the transient charging current control unit comprises:a dummy ...
10/02/2008
20080204374Method and apparatus for driving an AMOLED with variable driving voltage
... voltage or current amplitude corresponding to the data to be displayed by the cells 2. [0011]Independently of the chosen AMOLED concept--current-driven or voltage-driven--the grayscale level is defined by storing during one frame an analog ...
08/28/2008
20080088544MODULATION OF COMMON VOLTAGE AND METHOD FOR CONTROLLING AMOLED PANEL
... a common voltage. The purpose of the present invention is to reduce the common voltage when the turn-on time of the AMOLED panel is increased so that the increase in the voltage difference between the two terminals of an organic light ...
04/17/2008
20080088545AMOLED PANEL DISPLAY SYSTEM WITH TEMPERATURE REGULATION AND CONTROLLING METHOD THEREOF
... driving current is adjusted so that it is inversely proportional to the temperature of the measured area. Therefore, when the temperature of the AMOLED panel rises, the driving current I.sub.D is lowered to reduce the aging of the AMOLED ...
04/17/2008
20050247932AMOLED circuit layout
... beam energy is spent in irradiating unnecessary portions of the amorphous silicon thin film areas, the conventional AMOLED circuit layout results in an inefficient use of manufacturing resources. And the unnecessary expenditure of the ...
11/10/2005
20070279339Amoled panel
... circuit 20 according to a preferred embodiment of the invention. [0013]FIG. 3 is a schematic illustration showing the AMOLED panel according to the preferred embodiment of the invention. [0014]FIG. 4 is a circuit diagram showing an example of ...
12/06/2007
7205169Driving circuit for AMOLED display and driving method thereof
... . The major goal of the invention is to provide a linear thermistor to compensate the temperature variation, such that the AMOLED illuminates with consistency. FIG. 6 is a flowchart of the driving method according to the invention. In step 602, the ...
04/17/2007
20070236423AMOLED DISPLAY DEVICE
... more source drivers is still within the scope of protection of the invention. [0019]Referring to FIG. 2, a perspective of an AMOLED display device according to a first embodiment of the invention is shown. As indicated in the diagram, in ...
10/11/2007
6946307Method and system for testing driver circuits of AMOLED
... the test point, and then analyze it to determine the status of the circuit. The steps being repeated, all circuits of the AMOLED can be tested efficiently and precisely. Inventors: Shih; An (Changhua, TW) Assignee: Toppoly ...
09/20/2005
20070273622Amoled pixel unit
... control terminal of the fourth switch, and a second terminal for receiving the operation voltage or the ground voltage. 2. The AMOLED pixel unit according to claim 1, wherein the energy-storage element is a capacitor, and the first switch, the ...
11/29/2007
20060007078Active matrix organic light emitting diode (AMOLED) display panel and a driving circuit thereof
... of the pixel driving unit in the traditional current-driven active matrix organic light emitting diode (AMOLED) display. [0013] It is another object of the present invention to maintain a brightness of the organic light emitting diode (OLED) in ...
01/12/2006
20060160255Driving circuit for AMOLED display and driving method thereof
... of the AMOLED is detected. An equivalent current is generated by the power circuit based on the temperature of the AMOLED. The light emitting device is driven by the equivalent current to illuminate. The equivalent current is in reverse ...
07/20/2006
7381596Method of manufacturing an AMOLED
... issue in the monitor manufacturing industry. SUMMARY OF THE INVENTION The present invention relates to a method of manufacturing an AMOLED to solve the above-mentioned problems. The present invention provides an embodiment relating to a method of ...
06/03/2008
7459351Method of manufacturing an AMOLED
... issue in the monitor manufacturing industry. SUMMARY OF THE INVENTION The present invention relates to a method of manufacturing an AMOLED to solve the above-mentioned problems. The present invention provides an embodiment relating to a method of ...
12/02/2008
20070042518METHOD OF MANUFACTURING AN AMOLED
... in the monitor manufacturing industry. SUMMARY OF THE INVENTION [0008] The present invention relates to a method of manufacturing an AMOLED to solve the above-mentioned problems. [0009] The present invention provides an embodiment relating to a method ...
02/22/2007
20070072348METHOD OF MANUFACTURING AN AMOLED
... in the monitor manufacturing industry. SUMMARY OF THE INVENTION [0008] The present invention relates to a method of manufacturing an AMOLED to solve the above-mentioned problems. [0009] The present invention provides an embodiment relating to a method ...
03/29/2007
20070139311Current feedback-type amoled driving circuit
... connected in parallel between the gate terminal of the driving transistor and the cathode of the OLED. 9. The current feedback-type AMOLED driving circuit according to claim 2 or 3, wherein each of the pixel circuits comprises: an OLED; a ...
06/21/2007
20080143654INTRA-PIXEL CONVOLUTION FOR AMOLED
... . SUMMARY OF THE INVENTION [0005]An objective of the present invention is to provide a mechanism for driving an AMOLED display, which eliminating the performance degradation resulting from the non-uniformity of the threshold voltage and mobility. ...
06/19/2008
7071932Data voltage current drive amoled pixel circuit
... to a terminal of an OLED. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a voltage data current drive AMOLED pixel circuit in accordance with the present invention. FIG. 2 is a timing diagram for the pixel circuit of FIG. 1. FIG. 3 is ...
07/04/2006
6858989Method and system for stabilizing thin film transistors in AMOLED displays
... duty cycle because the OLEDs require continuous current to properly operate. Accordingly, TFT threshold drift will be greater in the AMOLED devices. Therefore, there is a need for a method and system for stabilizing TFTs in AMOLED devices, reducing the ...
02/22/2005
20080204376AMOLED INCLUDING CIRCUIT TO SUPPLY ZERO DATA VOLTAGE AND METHOD OF DRIVING THE SAME
... current sink method has been developed. Hereinafter, an active matrix type organic electroluminescent display will be referred to as an AMOLED. [0017]FIG. 3 is a circuit diagram illustrating a unit pixel circuit PIX of an AMOLED 300 using a ...
08/28/2008
20090278770Active matrix organic light emitting display (amoled) device
... in a way different from the standard addressing. [0024]FIG. 6 illustrates the standard addressing of video data in an AMOLED display. The matrix of luminous elements comprises for example 320.times.3=960 columns (320 columns per colour) C0 to ...
11/12/2009
5952789Active matrix organic light emitting diode (amoled) display pixel structure and data load/illuminate circuit therefor
... also contemplated that the present invention could be used with other similar display elements such as an LED. In the case of AMOLED displays, a DC current is passed through the diode material to generate light. It has been found that the ...
09/14/1999
20070146253Method and device for brightness stabilization in AMOLED display
... consumption, fast response time and a wide viewing angle, as compared to liquid crystal displays (LCDs). Also, an AMOLED display is operative in a wider range of temperatures. However, unlike LCDs, OLEDs are current driven devices and the ...
06/28/2007
20050116656Amoled display and driving method thereof
... of 5478 ) United States Patent Application 20050116656 Kind Code A1 Shin, Dong-Yong June 2, 2005 Amoled display and driving method thereof Abstract An emission control circuit for controlling emission of R, G, B ...
06/02/2005
20070236419Auto-calibrating gamma correction circuit for AMOLED pixel display driver
... primary objective of the present invention is to achieve an accurate gamma function for a voltage driven AMOLED microdisplay that is independent of manufacturing variability and operational conditions. This will allow miniaturization of the ...
10/11/2007
20060001616Active matrix organic light emitting diode (AMOLED) display, a pixel driving circuit, and a driving method thereof
... [0001] (1) Field of the Invention [0002] This invention relates to an active matrix organic light emitting diode (AMOLED) display, a pixel driving circuit, and a driving method thereof, and more particularly to a voltage-driven AMOLED display. [ ...
01/05/2006
20070057629Double sided AMOLED display and fabricating method thereof
... general to a double sided display and fabricating method thereof, and more particularly to the double sided AMOLED display constructed for preventing the direct touch between the organic light-emitting devices (OLEDs) and fabricating method ...
03/15/2007
20070290958METHOD AND APPARATUS FOR AVERAGED LUMINANCE AND UNIFORMITY CORRECTION IN AN AMOLED DISPLAY
... Ronald S. December 20, 2007 METHOD AND APPARATUS FOR AVERAGED LUMINANCE AND UNIFORMITY CORRECTION IN AN AMOLED DISPLAY Abstract A method for the correction of average luminance or luminance uniformity variations in an active-matrix OLED ...
12/20/2007
20080055209Method and apparatus for uniformity and brightness correction in an amoled display
... Cok; Ronald S. March 6, 2008 Method and apparatus for uniformity and brightness correction in an amoled display Abstract A method for reducing brightness uniformity variations in an active-matrix OLED display employing amorphous silicon ...
03/06/2008
5699124Bandwidth efficient communication of user data in digital television data stream
... .-- number 2 uimsbf line.sub.-- offset 5 uimsbf frame.sub.-- counter›4:0! 5 uimsbf amol.sub.-- data.sub.-- parity 1 uimsbf non.sub.-- zero.sub.-- amol. ...
12/16/1997
20080117142Systems and methods for adjusting display parameters of an active matrix organic light emitting diode panel
... comprising a plurality of subpixels, a non-volatile memory for storing optimum display parameters for the subpixels of the AMOLED panel, a static register memory for loading the optimum display-parameters stored in the non-volatile memory ...
05/22/2008
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