发明名称 Light emitting device, driving method thereof, and image forming apparatus
摘要 A light emitting device includes: a plurality of light emitting elements that emit light to have luminosity depending on the magnitude of a driving signal; a plurality of holding units that are respectively disposed in the plurality of light emitting elements, and respectively hold the driving signal to maintain a magnitude regulated such that the luminosity of the plurality of light emitting elements becomes uniform; and a plurality of supply units that are respectively disposed in the plurality of light emitting elements, and supply the driving signal, which is held by the holding units to have a certain magnitude for a period of time according to a gradation of light to be emitted, to a corresponding light emitting element.
申请公布号 US7642535(B2) 申请公布日期 2010.01.05
申请号 US20080314985 申请日期 2008.12.19
申请人 SEIKO EPSON CORPORATION 发明人 NAKAJIMA AKIRA
分类号 G09G3/36 主分类号 G09G3/36
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