LIGHT EMITTING DEVICE AND IMAGE SCANNING APPARATUS

There is a light emitting device including a light source which generates light and of which the quantity of light emission changes according to a driving current, a driving circuit which runs the driving current to the light source to drive the light source, and a controller which controls the driv...

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Bibliographic Details
Main Authors HASHIZUME YUSUKE, SHIRAISHI HIROYUKI, HATANO MITSURU, KOSEKI NAOYA, NAGAMOCHI KATSUYA, UENO SUEO, SHIMOKAWA KOJI
Format Patent
LanguageEnglish
Published 05.01.2012
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:There is a light emitting device including a light source which generates light and of which the quantity of light emission changes according to a driving current, a driving circuit which runs the driving current to the light source to drive the light source, and a controller which controls the driving circuit and raises the driving current of the light source as the quantity of light emission from the light source decreases.
Bibliography:Application Number: US201113175057