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Organic light emitting display panel and organic light emitting display device including the same

A light-emitting display, organic technology, applied in the direction of organic light-emitting devices, organic light-emitting device structures, organic semiconductor devices, etc., can solve the problems of reducing the light extraction efficiency of organic light-emitting display panels, reducing lighting efficiency, etc.

Pending Publication Date: 2021-03-23
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the light extraction efficiency of the organic light emitting display panel may be lowered, and the lighting efficiency may be lowered

Method used

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  • Organic light emitting display panel and organic light emitting display device including the same
  • Organic light emitting display panel and organic light emitting display device including the same
  • Organic light emitting display panel and organic light emitting display device including the same

Examples

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Embodiment Construction

[0028] In the following description of examples or implementations of the present disclosure, reference will be made to the accompanying drawings in which are shown by way of illustration specific examples or implementations that may be implemented and in which the same Signs and symbols may be used to denote the same or similar components even when the components are shown in different drawings from each other. Also, in the following description of examples or embodiments of the present disclosure, when it is determined that the description may make the subject matter in some embodiments of the present disclosure unclear, detailed descriptions of well-known functions and components incorporated herein will be omitted . As used herein, terms such as "comprising", "having", "comprising", "consisting of", "consisting of" and "formed of" are generally intended to allow the addition of other elements unless these terms are inconsistent with the term "only "use together. As used ...

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PUM

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Abstract

Embodiments of the disclosure relate to an organic light emitting display panel and organic light emitting display device including the same, and more specifically, to an organic light emitting display panel and organic light emitting display device which includes an insulation film including at least one concave portion including a flat portion and an inclined portion surrounding the flat portionin at least one subpixel of the active area and a first electrode of an organic light emitting diode disposed on a portion of the concave portion and a surrounding portion disposed around the concaveportion in the at least one subpixel area and including at least one protrusion on a surface thereof, thereby enhancing light extraction efficiency.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2019-0115803 filed on September 20, 2019, which is incorporated herein by reference for all purposes as if fully set forth herein. technical field [0003] Various embodiments of the present disclosure relate to an organic light emitting display panel and an organic light emitting display device including the organic light emitting display panel. Background technique [0004] With regard to display devices or lighting devices, the development of a smart society has resulted in increased demand for various types of display panels. Among display panels, an organic light emitting display panel can be thin and lightweight, does not require a separate light source, and thus has gained popularity. [0005] An organic light emitting display panel includes organic layers for emitting light. A part of the light emitted from the organic layer may be trapped...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/52
CPCH10K59/122H10K59/80515H10K59/80518H10K59/80522H10K59/875H10K59/35H10K2102/3026H10K2102/302H10K59/124H10K59/8052H10K59/1213H10K59/123H10K50/818
Inventor 孙石宇白正善金朝涓
Owner LG DISPLAY CO LTD