Display device with sealing structure for protecting organic...

Details Display device with sealing structure for protecting organic... Display device with sealing structure for protecting organic...

2006-01-31

2006-01-31

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S498000, C313S504000, C313S506000, C257S066000

Reexamination Certificate

active

06992439

ABSTRACT:
The object of the present invention is to propose a structure of a display device in which water is prevented from passing through the side faces of a display device using an organic light-emitting element and a gap between substrates is made uniform. On the first substrate having the light-emitting element provided thereon, the thicknesses of the layers deposited in the peripheral area, the pixel portion and the driving circuit portion are equalized with each other. Furthermore, an adhesive is provided as thin as possible in the peripheral area of the first substrate so as to bond a second substrate to the first substrate. As a result, the distance between the first substrate and the second substrate can be made uniform throughout the peripheral area of the first substrate, the pixel portion and the driving circuit. Moreover, since a protective film overlying the organic light-emitting element is also provided on the side faces of the second insulating film, water is prevented from entering the display device through its side faces.

REFERENCES:
patent: 5742129 (1998-04-01), Nagayama et al.
patent: 6303963 (2001-10-01), Ohtani et al.
patent: 6380672 (2002-04-01), Yudasaka
patent: 6559594 (2003-05-01), Fukunaga et al.
patent: 6664732 (2003-12-01), Yamazaki et al.
patent: 6798132 (2004-09-01), Satake
patent: 8-227276 (1996-09-01), None
English abstract re Japanese Patent Application No. JP 8-227276.

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