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Hygroscopic protection structure for organic luminescent display

A technology of light-emitting display and protective structure, applied in the direction of electroluminescent light source, light source, electric light source, etc., which can solve the problems of inapplicability and achieve the effect of long life

Inactive Publication Date: 2005-01-19
TPO DISPLAY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the above-mentioned hygroscopic resin is a physical adsorption material, if the hygroscopic resin is heated, the water molecules adsorbed in the hygroscopic resin are easily released into the interior of the element due to the heat. Therefore, this multi-layer protective structure is only suitable for Suitable for low-end products of inorganic light-emitting elements and organic light-emitting elements, not suitable for high-end products of organic light-emitting elements that require high display quality

Method used

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  • Hygroscopic protection structure for organic luminescent display
  • Hygroscopic protection structure for organic luminescent display
  • Hygroscopic protection structure for organic luminescent display

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Embodiment Construction

[0051] In a preferred embodiment of the present invention, an organic light-emitting diode (OLED) is taken as an example for illustration, but the application of the present invention is not limited thereto. The hygroscopic protective structure of the present invention can also be used in various other light-emitting devices, such as organic polymer light-emitting diodes (OLEDs). Please refer to Figure 3 to Figure 10 , image 3 is a schematic cross-sectional view of the hygroscopic protection structure 60 of the organic light emitting display 50 of the present invention, Figure 4 to Figure 10 for image 3 A partially enlarged view of the hygroscopic protective structure 60 of the organic light emitting display 50, wherein Figure 4 to Figure 5 is a schematic cross-sectional view of the passive organic light emitting display 70 of the present invention, Figure 6 to Figure 7 is a schematic cross-sectional view of the active organic light emitting display 100 of the presen...

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Abstract

The invention relates to a hygroscopic protect structure of organic flaring display. The structure includes one buffer layer at least, one hygroscopic material layer and a protection layer. It covers on the display area to adsorb the hydrosphere both inner the display and penetrating the protection layer.

Description

technical field [0001] The present invention relates to a package protection structure for organic light-emitting elements, in particular to a structure applicable to active matrix type organic light-emitting displays (active matrix type organic electroluminescent display, AM-OELD) and passive matrix type organic light-emitting displays (PM-OELD). - OELD) hygroscopic protective structure. Background technique [0002] Among the flat-panel displays, although the organic light-emitting display started late, it has the advantages of self-illumination, no viewing angle limit, high response speed, power saving, full-color, simple structure, and wide operating temperature range. Gradually attract attention in the field of medium and small size portable displays. [0003] Please refer to figure 1 , figure 1 It is a schematic cross-sectional view of a conventional organic light emitting display 10 . Such as figure 1 As shown, the existing organic light emitting display 10 mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/04
Inventor 陈光荣杨恒隆
Owner TPO DISPLAY
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