| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass capable of enhancing light extraction efficiency of an organic EL element and excellent in productivity without forming a light extraction layer consisting of a sintered body.SOLUTION: The phase-separated glass which is separated to different phases, contains, by mass%, SiOof 40 to 75%, AlOof 0.1 to 20% and BOof 10 to 40% as a glass composition and has a higher phase separation temperature than a liquid phase temperature.SELECTED DRAWING: None |
