| 摘要 |
PROBLEM TO BE SOLVED: To easily provide an inexpensive and safe decorative light emitter suitable for high-mix, low-volume production, having high energy consumption efficiency, high brightness, not generating heat, and excellent in scratch resistance.SOLUTION: In a decorative light emitter having a decoration layer formed of a curable ink on the substrate surface of a surface-emitting element on the light extraction side, the refractive index n1 of the substrate, and the refractive index n2 of the decoration layer satisfy the relation of following formulae 1, 2) and 3). 1) 1.4≤n1≤1.9, 2) 1.4≤n2≤1.9, 3)|n1-n2|≤0.2. |
