Title:
EL蛍光体積層薄膜およびEL素子
Document Type and Number:
Japanese Patent JP4199673
Kind Code:
B2
Abstract:
The present invention aims at realizing a phosphor thin film having a high luminance with a low emission threshold voltage, and an EL element comprising the same. The EL element of the present invention comprises a substrate, and a lower electrode, a lower buffer thin film containing a sulfide such as ZnS, a phosphor thin film containing an oxide such as a gallate as a matrix material, an upper buffer thin film containing a sulfide such as ZnS, and an upper electrode which are successively laminated on the substrate.
Inventors:
Yoshihiko Yano
Takahashi Seiki
Tomoyuki Oike
Shigeki Kataoka
Takahashi Seiki
Tomoyuki Oike
Shigeki Kataoka
Application Number:
JP2003579511A
Publication Date:
December 17, 2008
Filing Date:
March 25, 2003
Export Citation:
Assignee:
IFire IP Corporation
International Classes:
H01L51/50; C09K11/77; H05B33/14; H05B33/20
Domestic Patent References:
| JP5065478A | ||||
| JP2001126860A | ||||
| JP935869A |
Attorney, Agent or Firm:
Yuichi Yamada
Masakazu Noda
Ikeda adult
Masakazu Noda
Ikeda adult