Electron-emitting device and display panel including the same

摘要

An electron-emitting device (10) includes an electroconductive member (3) and a lanthanum boride layer (5) disposed on the electroconductive member and further includes an oxide layer (4) between the electroconductive member and the lanthanum boride layer. The oxide layer can contain a lanthanum element. A lanthanum oxide layer (6) can be disposed on the lanthanum boride layer.