Patent ID: 6954030

Claim:
An image forming apparatus comprising: a first substrate on which a plurality of electron-emitting devices and drive wiring for driving said plurality of electron-emitting devices are arranged; and a second substrate on which an image forming member and lead wiring connected to said image forming member are arranged, wherein said first and second substrates are disposed in opposition to each other, and said plurality of electron-emitting devices, said drive wiring, said image forming member and said lead wiring are disposed within an envelope constructed of said first and second substrates, and wherein said lead wiring extends to a corner of said second substrate and is in contact with an electroconductive terminal, and said electroconductive terminal extends from a contact portion with said lead wiring toward said first substrate and is partially exposed outside of the envelope through an opening formed in said first substrate; and a wiring of a defined potential is disposed between the opening and said driving wiring in the envelope.