Title:
OPTICAL ELEMENT AND MANUFACTURE THEREFOR
Document Type and Number:
Japanese Patent JP3831968
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an optical element to stably emit the light by arranging and evaporating a host material and a guest material different in a light emitting wave length on a single evaporating boat in the same vacuum evaporation device, and a manufacturing method therefor.
SOLUTION: In an organic EL element 21 where an ITO(indium tin oxide) transparent electrode 5, a hole transport layer 4, a light emitting layer 3 and a metallic electrode 1 are formed on a glass substrate 6, a guest material having a sublimating temperature lower than a host material of the light emitting layer 3 is arranged in the same evaporating boat, and these are sublimated according to respective sublimating temperatures, and the light emitting layer 3 is formed by doping the guest material to the host material in the object concentration distribution.
Inventors:
Yasunori Onijima
Application Number:
JP6176896A
Publication Date:
October 11, 2006
Filing Date:
February 23, 1996
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H01L51/50; H05B33/20; H05B33/10; (IPC1-7): H05B33/20
Domestic Patent References:
| JP4357694A | ||||
| JP6158038A | ||||
| JP6240243A | ||||
| JP5202356A | ||||
| JP6192652A | ||||
| JP8315982A | ||||
| JP7197021A | ||||
| JP6342690A | ||||
| JP3255190A | ||||
| JP6215874A | ||||
| JP6093257A | ||||
| JP54150332A | ||||
| JP53110973A | ||||
| JP48017437A | ||||
| JP59178366U |
Attorney, Agent or Firm:
Hiroshi Osaka
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