The invention relates to a light emitting device, a driving method of a light emitting device, and an electronic machine. The light emitting device (100) includes a pixel circuit (P) and a driving circuit (20), (P) pixel circuit includes a driving transistor (TDR), a light emitting element (E), a drive transistor (TDR) is clamped between the first capacitor element between the gate and the source (C1), select transistor (TSL), is used to generate a current (Is) of the current generation mechanism. When the data is written to the potential (VD) pixel circuit (P) (PWR) during a write period before the current position (PS), the drive circuit (20) according to the provisions of the size of the generated by a current (Is) method to control the current generating mechanism to drive transistor (TDR) the voltage of the gate / source (between the first capacitor element (C1) voltage between the two ends of the set) for the position of current (Is) flows through the drive transistor (TDR) required value.
【技术实现步骤摘要】
本专利技术涉及发光装置、发光装置的驱动方法及电子机器。
技术介绍
近年来,提出过各种使用有机发光二极管(Organic Light Emitting Diode、 以下称作“OLED”)元件等发光元件的发光装置,该有机发光二极管被称作有机 EL(ElectroLuminescent)元件或发光聚合物元件等。例如在专利文献1中,公开有利用了图20所示的像素电路PO的发光装置。如图 20所示,像素电路PO具有被串联在供电线DSLlOl与接地布线3H之间的驱动晶体管及发光元件3D、配置于驱动晶体管;3B的栅极与信号线DTLlOl之间的采样用晶体管3A、电容元件3C。采样用晶体管3A根据从扫描线WSLlOl供给的控制信号而导通。用于驱动该像素电路PO的驱动电路(主扫描器)在先于信号电位的采样所进行的多个水平扫描期间H的全部中都进行修正动作,在电容元件3C中保持着与驱动晶体管:3B的阈值电压相当的电压。 下面,一边参照图21,一边对其具体的内容进行说明。图21的时序图与像素电路PO的动作进度匹配地被划分为期间⑶ (L)。在发光期间(B)中发光元件3D处于发光状态。其后, ...
【技术保护点】
1.一种发光装置,其特征在于,具备像素电路和用于驱动所述像素电路的驱动电路,所述像素电路具备:驱动晶体管和发光元件,其被串联连接在高位侧电源线与低位侧电源线之间;第一电容元件,其被配置于所述驱动晶体管的栅极与源极之间;选择晶体管,其被配置于所述驱动晶体管的栅极与数据线之间;及电流生成单元,其用于生成置位电流,该置位电流从所述高位侧电源线起流过所述驱动晶体管以及存在于所述驱动晶体管与所述发光元件之间的节点,并向与通向所述发光元件的路径不同的路径分流,所述驱动电路,在第一期间中,通过将所述驱动晶体管的栅极的电位设定为初始化电位而使所述驱动晶体管导通,在所述第一期间之后的第二期间 ...
【技术特征摘要】
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