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Double side lighting device

A technology of side-emitting and emitting elements, applied in the field of flat panel displays

Active Publication Date: 2011-11-30
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantage of the above-mentioned conventional organic light-emitting device is that it can improve the contrast by using a circular polarizing plate to block external light, but its disadvantage is that it requires a separate reflection sheet to block external light

Method used

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Embodiment Construction

[0044] Hereinafter, embodiments of the present invention will be described in detail, examples of which are illustrated in the accompanying drawings, in which like reference numerals denote like elements throughout. Hereinafter, embodiments will be described to explain the present invention by referring to the figures.

[0045] figure 1 A cross-sectional structure of a double-sided organic light emitting device according to a first embodiment of the present invention is shown.

[0046] refer to figure 1 , the anode electrode 120 is formed on the insulating substrate as the lower substrate 110 . The organic thin layer 130 is formed on the anode electrode 120 . The cathode electrode 140 is formed on the organic thin layer 130 . A passivation layer 150 is formed on the cathode electrode 140 . The outer package substrate 160 as an upper substrate is combined with and encapsulates the lower substrate 110 using a sealant (not shown).

[0047] The lower substrate 110 and the up...

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Abstract

The invention discloses a double-sided light-emitting device, which comprises: a lower substrate and an upper substrate; an emitting element, which is formed between the inner surface of the upper substrate and the inner surface of the lower substrate and emits predetermined light; the upper part A layer of polarizing material disposed on at least one of the inner and outer surfaces of the upper substrate; and a lower layer of polarizing material disposed on at least one of the inner and outer surfaces of the lower substrate.

Description

[0001] This application is a divisional application of the invention patent application entitled "Double Side Lighting Device" and the application number 200410045798.8 filed on May 27, 2004. technical field [0002] The present invention relates to a flat panel display, and more particularly, to a double-sided organic light emitting device capable of preventing degradation of image definition quality due to external light. Background technique [0003] Flat panel displays such as organic light emitting devices, field emission displays (FEDs), etc. suffer from a significant drop in contrast due to external light intensity. In order to prevent this phenomenon, for example, a black matrix has been employed to block external light. Whether such a black matrix is ​​used or not, it is always difficult to completely block external light on the emission area to form a black state. [0004] Meanwhile, such an organic light emitting device using a circular polarizing plate to block ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/50H01L51/52H05B33/22
CPCH10K50/86H10K50/868
Inventor 朴镇宇郑昊均金仙花金秉熙
Owner SAMSUNG DISPLAY CO LTD