Organic electronic devices with an encapsulation

US8344360B2 · kind B2 · utility

Assignees

• OSRAM Opto Semiconductors GmbH · DE
• Institute of Materials Research and Engineering · SG

Inventors

• Mark Auch · Singapore, SG
• Ewald Guenther · Regenstauf, DE
• Lim Shuang Fang · Singapore, SG
• Chua Soo Jin · Singapore, SG
• Low Bee Ling · Singapore, SG

Key dates

• Filing date: Sep 28, 2001
• Grant date: Jan 1, 2013
• Expiry date: Sep 28, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2102/311
• WIPO field: Micro-structural and nano-technology
• WIPO sector: Chemistry

Abstract

An encapsulation for an organic light emitting diode (OLED) device is disclosed. The encapsulation includes a sealing dam surrounding the cell region of the OLED device to support a cap. Spacer particles are randomly located in the cell region to prevent the cap from contacting the active components, thereby protecting them from damage. The sealing dam provides a sealing region between the edge of the cap and dam in which an adhesive is applied to seal the OLED device. The use of the sealing dam advantageously enables devices to be formed with narrower sealing widths.