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Organic light emitting diode display

A technology for light-emitting diodes and displays, which is applied to diodes, static indicators, electroluminescent light sources, etc., can solve problems such as reducing the aperture ratio of display devices, affecting the overall quality of displays, and reducing commercial value.

Inactive Publication Date: 2007-04-11
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, designing pixels capable of supplying greater current to OLEDs with lower luminous efficiency may reduce the aperture ratio of the display device, which adversely affects the overall quality of the display and may reduce its commercial value

Method used

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  • Organic light emitting diode display
  • Organic light emitting diode display
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Examples

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Embodiment Construction

[0022] The invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough, and will convey the scope of the invention to those skilled in the art.

[0023] In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Like reference numerals refer to like elements throughout the specification. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "connected to" another element, it can be directly on or directly connected to the other element or it can also be directly on or connected to the other element. There are intermediate elements. In contrast, when an element is r...

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Abstract

The present invention relates to an OLED display including a first pixel, a second pixel, and a third pixel. Each pixel is defined by a gate line and a data line and includes a light-emitting element and a driving transistor connected to the light-emitting element. A light-emitting element of the first pixel has lower light emission efficiency than the light-emitting element of the second pixel and the third pixel, the light-emitting elements for the three pixels have substantially the same size, and an area occupied by the driving transistor of the first pixel is larger than an area occupied by the driving transistor of the second pixel and the third pixel.

Description

technical field [0001] The present invention relates to organic light emitting diode displays. Background technique [0002] The recent trend toward thinner and lighter personal computers and televisions requires thinner and lighter display devices. Flat panel displays meeting this requirement are replacing conventional cathode ray tubes (CRTs). [0003] Such flat panel displays include liquid crystal displays (LCDs), field emission displays (FEDs), organic light emitting diode (OLED) displays, plasma display panels (PDPs), and the like. [0004] Among flat-panel displays, OLED displays may be the most promising due to their low power consumption, fast response, wide viewing angles, and high contrast ratio. [0005] OLED displays are self-emitting devices that include an organic light-emitting layer sandwiched between two electrodes. Holes from one electrode and electrons from the other electrode are injected into the light emitting layer. The injected electrons and hole...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H05B33/12
CPCH01L27/3262G09G2320/043H01L27/322G09G3/2074G09G2320/0233G09G3/3225H10K59/38H10K59/1213H05B33/20H05B33/12
Inventor 郑光哲金南德崔凡洛
Owner SAMSUNG ELECTRONICS CO LTD
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