发明名称 Signal line drive circuit and light emitting device and driving method therefor
摘要 The variation of characteristics of transistors occurs. The present invention is a signal line drive circuit having a plurality of current source circuit corresponding to a plurality of wirings, a first and a second shift registers, a latch circuit, the foregoing plurality of current source circuits have capacity means and supplying means, respectively, characterized in that the foregoing capacity means converts a supplied current into a voltage according to a sampling pulse supplied from the foregoing first shift register, the foregoing supplying means supplies a current corresponding to the foregoing converted voltage according to a video signal, and the foregoing latch circuit operates according to a sampling pulse supplied from the foregoing second shift register.
申请公布号 US2003128199(A1) 申请公布日期 2003.07.10
申请号 US20020282004 申请日期 2002.10.29
申请人 SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 发明人 KIMURA HAJIME
分类号 G09G3/20;G09G3/32;(IPC1-7):G09G5/00 主分类号 G09G3/20
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