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Organic light-emitting display device

A light-emitting display and organic technology, applied in optics, optical components, instruments, etc., can solve problems such as reduced reflection performance

Active Publication Date: 2018-05-11
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] If the MLA structure is applied to a conventional organic light emitting display device in order to improve the efficiency of the organic light emitting display device, although the efficiency of the organic light emitting display device is improved, a side effect of causing a decrease in reflection performance occurs

Method used

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Embodiment Construction

[0052] Hereinafter, exemplary embodiments of an organic light emitting display device according to the present invention will be described in detail with reference to the accompanying drawings so that the present invention will be easily realized by those skilled in the art.

[0053] The advantages and features of the present invention and methods for achieving them will be more clearly understood through the following embodiments described with reference to the accompanying drawings. However, the present invention is not limited to the following embodiments and can be implemented in various forms. These embodiments are provided only to complete the disclosure of the present invention and fully convey to those skilled in the art to which the present invention pertains. The invention is defined only by the category of the claims. Wherever possible, the same reference numbers will be used throughout the specification to refer to the same or like elements. In the drawings, the ...

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Abstract

Disclosed is an organic light-emitting display device having a micro lens array (MLA) structure applied to a display panel in order to improve light extraction efficiency. In the organic light-emitting display device, an optical device, including a reactive mesogen (RM) and a dye, is provided between a polarizer and a quarter wave plate (QWP) to block light spreading to a viewing angle, thereby reducing a diffuse reflection component due to the application of the MLA structure.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Patent Application No. P10-2016-0143309 filed on October 31, 2016, which is incorporated herein by reference as if fully set forth herein. technical field [0003] The present invention relates to an organic light emitting display device, and more particularly, to an organic light emitting display device having improved light extraction efficiency. Background technique [0004] With increasing interest in information display and increasing demand for portable information media, research and commercialization of lightweight and thin display devices have been intensively studied in recent years. [0005] One of the prominent display devices is a liquid crystal display (LCD) device, which is lightweight and characterized by low power consumption. [0006] As another display device, there is an organic light emitting display device that is a self-luminous type and thus has a w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/52
CPCH10K59/35H10K59/124H10K59/8791H10K59/879G02B5/223H10K59/351H10K59/38H10K59/50H10K50/858H10K50/86H10K50/813
Inventor 金英旭卢炫宗黄圣翰安致明具沅会张志向
Owner LG DISPLAY CO LTD
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