ILLUMINATING DEVICE, IMAGE-READING APPARATUS PROVIDED WITH THE ILLUMINATING DEVICE, AND IMAGE-FORMING APPARATUS PROVIDED WITH THE IMAGE-READING APPARATUS

• Main Authors: FUKUTOME SHOHICHI, NAKANISHI KENJI, YAMADA YOSHIHISA, IMOTO MASAHIRO, YOSHIMOTO MITSUHARU, YAMANAKA HISASHI, SUTO YASUHIRO
• Format: Patent
• Language: English
• Published: 18.08.2011
• Subjects: BLASTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; PICTORIAL COMMUNICATION, e.g. TELEVISION; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; WEAPONS

The present invention provides an illuminating device including a plurality of light-emitting elements arranged in a line, the illuminating device illuminates an irradiation target by irradiating the irradiation target with light that is emitted from the light-emitting elements via a first and a second optical paths. In the illuminating device, a light diffusing portion for diffusing light is provided in one of the first optical path and the second optical path, and an irradiation light amount of said one of the first optical path and the second optical path in which the light diffusing portion is provided is larger than an irradiation light amount of the other optical path.