Organic light-emitting display device

a display device and organic technology, applied in the direction of discharge tube luminescnet screens, discharge tube/lamp details, electric discharge lamps, etc., can solve the problems of degrading the viewing angle characteristics of the organic light-emitting display device, and achieve the effect of improving extraction efficiency and viewing angle characteristics, and improving reliability

Active Publication Date: 2013-01-03
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

Embodiments of the present invention provide an organic light-emitting display device with improved extraction efficiency and viewing angle characteristics, making it more reliable. The device includes both resonating and non-resonating structures to achieve better performance.

Problems solved by technology

However, if a resonating structure is used in an organic light-emitting display device, the extraction efficiency of the organic light-emitting display device is improved, but the viewing angle characteristics of the organic light-emitting display device are degraded.

Method used

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  • Organic light-emitting display device
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Embodiment Construction

[0030]Hereinafter, the present invention is described in detail by explaining exemplary embodiments thereof with reference to the attached drawings.

[0031]FIG. 1 is a cross-sectional view of a sub-pixel included in a unit pixel of an organic light-emitting display device according to an embodiment of the present invention. FIG. 2 is an equivalent circuit diagram of the sub-pixel of FIG. 1. A unit pixel includes three color sub-pixels, namely, a red (R) sub-pixel, a green (G) sub-pixel, and a blue (B) sub-pixel. FIG. 1 shows one of the three-color sub-pixels. The other sub-pixels have the same or similar structures as that of FIG. 1. In addition, unit pixels each including three-sub-pixels are repeatedly arranged in column and row directions in an organic light-emitting display device.

[0032]Referring to FIG. 2, signal lines, namely, a scanning signal line 121, a data line 171, and a driving voltage line 172 are connected to a sub-pixel PX.

[0033]The scanning signal line 121 transfers a...

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Abstract

An organic light-emitting display device having improved extraction efficiency and viewing angle characteristics includes a sub-pixel having a resonating region in which light generated by an emission layer resonates and is emitted, and a non-resonating region in which light does not resonate and is emitted.

Description

CROSS REFERENCE TO RELATED PATENT APPLICATION[0001]This application claims priority to and the benefit of Korean Patent Application No. 10-2011-0064085, filed on Jun. 29, 2011, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein in its entirety by reference.BACKGROUND[0002]1. Field[0003]Embodiments of the present invention relate to an organic light-emitting display device, and more particularly, to an organic light-emitting display device that has improved extraction efficiency and viewing angle characteristics.[0004]2. Description of Related Art[0005]In general, an organic light-emitting display device realizes colors by recombining holes and electrons, which are injected from an anode and a cathode to an emission layer, and has a structure in which the emission layer is interposed between a pixel electrode serving as the anode and an opposite electrode serving as the cathode.[0006]A unit pixel of an organic light-emitting display device incl...

Claims

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Application Information

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IPC IPC(8): H01L51/52
CPCH01L51/5265H01L27/326H01L27/3246H01L27/3216H10K59/352H10K59/121H10K59/122H10K59/876H05B33/22H05B33/26H10K2102/3026H10K50/852
InventorJEONG, HEE-SEONGPARK, SOON-RYONG
OwnerSAMSUNG DISPLAY CO LTD