Light emitting device and electronic apparatus
Granted 17 Dec 2013 · 8 office actions
Current assignee: Semiconductor Energy Laboratory Co., Ltd. · originally Semiconductor Energy Laboratory
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Inventors: Shunpei Yamazaki, Toru Takayama · Examiner: Minchul Yang · AU 2891 · TC 2800
Life of the patent
3 dated eventsAbstract
A light emitting device which is capable of suppressing deterioration by diffusion of impurities such as moisture, oxygen, alkaline metal and alkaline earth metal, and concretely, a flexible light emitting device which has light emitting element formed on a plastic substrate. On the plastic substrate, disposed are two layers and more of barrier films comprising a layer represented by AlNxOy which is capable of blocking intrusion of moisture and oxygen in a light emitting layer and blocking intrusion of impurities such as an alkaline metal and an alkaline earth metal in an active layer of TFT, and further, a stress relaxation film containing resin is disposed between two layers of barrier films.
Claims
33 · 3 independent · depth 2Classifications
6 codes- H01L51/30
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1 priority documents›Priority documents — 1
| Type | Document | Date |
|---|---|---|
| related publication | US 20100163859 A1 | 1 Jul 2010 |
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