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organic light emitting display

A light-emitting display, organic technology, used in static indicators, instruments, etc., can solve problems such as no production

Active Publication Date: 2016-12-14
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the current frame does not produce light with desired brightness due to threshold voltage shift

Method used

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  • organic light emitting display
  • organic light emitting display
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Embodiment Construction

[0036] Hereinafter, specific exemplary embodiments according to the present invention will be described with reference to the accompanying drawings. Here, when a first element is described as being coupled to a second element, the first element may be directly coupled (eg, connected) to the second element, or may be indirectly coupled (eg, electrically connected) via one or more third elements. to the second element. Furthermore, some elements that are not necessary for a complete understanding of the embodiments of the invention may be omitted for the sake of clarity. In addition, the same reference numerals denote the same elements throughout.

[0037] An exemplary organic light emitting display includes a plurality of pixels arranged in a matrix at intersection regions of a plurality of data lines, scan lines, and power lines. A pixel typically includes an organic light emitting diode (OLED) and a drive transistor for driving the amount of current flowing to the OLED. Th...

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Abstract

The present invention provides an organic light emitting display capable of displaying images with uniform brightness. The display includes a scan driver, a data driver, pixels, an initial power supply line coupled to an initial power supply, a bias power supply line coupled to a bias power supply, a horizontal power supply line, a first switching element, and a second switching element. Each pixel includes a drive transistor for controlling the amount of current flowing from the first power source. The voltage of the bias power supply is different from that of the initial power supply. The first switching element is coupled between the horizontal power supply line and the primary power supply line. The second switching element is coupled between the horizontal power supply line and the bias power supply line. The second switching element is configured to be turned on and off alternately with the first switching element.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2010-0105794 filed with the Korean Intellectual Property Office on October 28, 2010, the entire contents of which are hereby incorporated by reference. technical field [0002] Aspects of embodiments according to the present invention relate to an organic light emitting display. Background technique [0003] Recently, various flat panel displays (FPDs) having reduced weight and volume compared with cathode ray tube (CRT) devices have been developed. FPDs include, for example, liquid crystal displays (LCDs), field emission displays (FEDs), plasma display panels (PDPs), and organic light emitting displays. [0004] Among FPDs, organic light emitting displays display images using organic light emitting diodes (OLEDs) that generate light through recombination of electrons and holes. The organic light emitting display has a high response speed and is driven with low power consumption. [0005] An orga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3258
Inventor 崔相武
Owner SAMSUNG DISPLAY CO LTD
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