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Organic light emitting diode

An organic light-emitting device and organic light-emitting layer technology, applied in the field of OLED, can solve the problems of complex patterned manufacturing technology, high cost pressure, and technical inflexibility.

Inactive Publication Date: 2006-11-15
SCHOTT AG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] However, these techniques share a serious disadvantage that patterning requires specialized and complex fabrication techniques, and patterning often needs to be performed under clean-room conditions
[0016] Moreover, the known techniques are extremely inflexible, since in the manufacture of OLED layer configurations, patterning needs to be performed inside the OLED
[0017] All in all, on the one hand, these technologies are only suitable for a limited part of the large number of applications involving special security needs, and on the other hand, there are considerable cost pressures

Method used

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  • Organic light emitting diode
  • Organic light emitting diode
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Embodiment Construction

[0056] figure 1 An unpatterned organic light emitting device 1 is shown. The device 1 comprises a light-emitting composite element 10 having a transparent base substrate 12 comprising glass, on which an organic light-emitting layer arrangement 20 is applied or deposited, and a cover substrate 14 . The light-emitting layer arrangement 20 further includes a light-emitting layer having an electroluminescent layer material, such as an electroluminescent polymer, disposed between and in contact with a transparent conductive ITO anode 22 and a metal cathode 26 .

[0057] The light-emitting layer arrangement 20 is encapsulated on the rear side with an adhesive 28 and at the same time is adhesively bonded to the cover substrate 14 via an epoxy adhesive 28 . A sealed package of the luminescent layer arrangement 20 is thereby obtained.

[0058] In the illustration, the light generated in the component 1 , represented by the arrow 42 , is coupled upwards through the transparent ITO lay...

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Abstract

The invention relates to an OLED and to a method for producing said diode. The aim of the invention is to improve the safety aspects of the OLED and optionally to structure the latter. According to the invention, an anti-splinter layer, which has been in particular photostructured, is applied to the OLED and thus fulfils multiple functions. One particularly advantageous embodiment involves the formation of an anti-splinter composite element consisting of a glass-plastic-glass sequence of layers.

Description

technical field [0001] The present invention relates generally to an organic light emitting device and methods for making the same, and in particular to an OLED having an encapsulated organic light emitting layer arrangement. Background technique [0002] Electro-optical components, especially organic electroluminescent diodes (OLEDs), have received great attention in the field of display applications and light technology because of their various advantages over other light-emitting and display devices. For example, OLEDs can be made very thin and even flexible. Compared with liquid crystal displays, OLEDs have the advantage of being self-illuminating. OLEDs are therefore the subject of intensive development work. [0003] OLEDs are generally constructed from a composite comprising an organic electroluminescent layer between two electrode layers, applied to a suitable substrate. As is typical in OLEDs, one of the conductive layers acts as the cathode and the other as the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/00H10K99/00
CPCB32B17/10036H10K59/221H10K59/875H10K59/871H10K77/00H10K50/80H10K50/84H10K50/841H10K50/85
Inventor 亚历山大·比布尔乔治·施帕舒凯·布兰德思克莱门斯·奥特曼
Owner SCHOTT AG
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