Patent Number: 7,786,495

Title: Light-emitting element array and image forming apparatus

Abstract: A light-emitting element array can be manufactured without the separation of a metal reflection layer. The light-emitting element array includes a plurality of light-emitting element portions provided on a substrate, at least one space of the spaces between adjacent light-emitting element portions being electrically separated from each other, wherein the metal reflection layer is provided on the substrate and under the plurality of light-emitting element portions, and a resistive layer for electrical separation between the light-emitting element portions is provided between the plurality of light-emitting element portions and the metal reflection layer. The plurality of light-emitting element portions are divided into a plurality of blocks. Each of the blocks includes a plurality of light-emitting portions. The electrical separation between the light-emitting portions can be made as electrical separation between adjacent light-emitting element portions in adjacent and different blocks.

Inventors: Takeuchi; Tetsuya (Yokohama, JP), Koto; Makoto (San Jose, CA), Yamagata; Kenji (Sagamihara, JP), Sekiguchi; Yoshinobu (Machida, JP), Yonehara; Takao (Kawasaki, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: H01L 33/00 (20100101)

Expiration Date: 8/31/12018