Electro-optic device, driving method thereof and electronic device
A technology of electro-optical devices and driving circuits, which is applied in the direction of electric light sources, lighting devices, electroluminescent light sources, etc., can solve the problems of inability to adopt the composition and method, and achieve the effect of easy brightness adjustment
Inactive Publication Date: 2010-10-13
SEIKO EPSON CORP
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Problems solved by technology
However, in the technology of the above-mentioned U.S. Patent Publication 2009 / 0195534, there is no such light emission control transistor, so the above-mentioned structure and method cannot be adopted.
Method used
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no. 2 Embodiment
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The invention provides an electro-optic device, a driving method thereof and an electronic device in order to regulate the whole brightness of an image. The electro-optic device is provided with a plurality of unit circuits (P1), a scan line driving circuit which sequentially selects one of the scan lines (3W) for each drive period within each unit period, and a data line driving circuit which outputs a data potential (VD[j]) to a data line (6), wherein the scan line driving circuit selects all or a portion of the charging control lines (3C) correspondingly extending to each scan line in the writing period. The whole brightness of the image can be regulated by changing the number of the lines so as to change the number of charging or discharging capacitor elements (C1).
Description
technical field The present invention relates to an electro-optic device including an organic EL (electro luminescent, electroluminescent) element, a liquid crystal, and the like, a driving method thereof, and an electronic device. Background technique Conventionally, as an electro-optical element, an electro-optical device including an organic EL element or the like is provided. This electro-optical device includes various drive circuits for supplying predetermined currents or voltages to organic EL elements and the like. Such a drive circuit may include, for example, a capacitive element connected in parallel thereto in addition to the organic EL element. In this case, the data potential is supplied to the anode of the organic EL element and one electrode of the capacitive element, and the reference potential is supplied to the cathode of the organic EL element and the other electrode of the capacitive element. In this way, current can be supplied to the organic EL eleme...
Claims
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IPC IPC(8): G09G3/30G09G3/32G09G3/20H05B44/00
CPCG09G3/3258G09G2300/0842G09G2320/0626G09G2320/0228G09G2310/0248
Inventor 河西利幸
Owner SEIKO EPSON CORP