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    • 4. 发明申请
    • MEMORY DEVICE AND SEMICONDUCTOR DEVICE
    • 存储器件和半导体器件
    • US20120320663A1
    • 2012-12-20
    • US13492961
    • 2012-06-11
    • Hajime KimuraShunpei Yamazaki
    • Hajime KimuraShunpei Yamazaki
    • G11C11/24
    • G11C11/005G11C11/404G11C11/412
    • A memory device with low power consumption is provided. A memory device includes a first logic element generating an output potential by inverting a polarity of a potential of a signal including data in accordance with a first clock signal; second and third logic elements holding the output potential generated by the first logic element; a switching element including a transistor; and a capacitor storing the data by being supplied with the output potential of the first logic element which is held by the second and third logic elements via the switching element. The second logic element generates an output potential by inverting a polarity of an output potential of the third logic element in accordance with a second clock signal different from the first clock signal, and the third logic element generates an output potential by inverting a polarity of the output potential of the second logic element.
    • 提供低功耗的存储器件。 存储器件包括通过根据第一时钟信号反转包括数据的信号的电位的极性来产生输出电位的第一逻辑元件; 保持由第一逻辑元件产生的输出电位的第二和第三逻辑元件; 包括晶体管的开关元件; 以及电容器,其经由所述开关元件被提供有由所述第二和第三逻辑元件保持的所述第一逻辑元件的输出电位而存储所述数据。 第二逻辑元件通过根据与第一时钟信号不同的第二时钟信号反转第三逻辑元件的输出电位的极性来产生输出电位,并且第三逻辑元件通过使第三逻辑元件的极性反转而产生输出电位 第二逻辑元件的输出电位。
    • 8. 发明授权
    • Display device and driving method thereof
    • 显示装置及其驱动方法
    • US07812794B2
    • 2010-10-12
    • US11287492
    • 2005-11-28
    • Ryota FukumotoHajime KimuraMitsuaki OsameShunpei Yamazaki
    • Ryota FukumotoHajime KimuraMitsuaki OsameShunpei Yamazaki
    • G09G3/30
    • G09G3/3275G09G2300/0842G09G2300/0861G09G2310/0251G09G2320/0223G09G2320/029G09G2320/043G09G2330/028G09G2360/18
    • In the case where variations of environmental temperature or variations with time occur depending on characteristics of a light-emitting element, variations are generated in luminance. In the invention, a display device for suppressing effects due to variations of a current value of a light-emitting element, which is caused by variations of environmental temperature and variations with time.A first substrate having a pixel portion in which pixels constituted by a plurality of transistors are arranged in matrix has a source driver for supplying a video signal, a gate driver for selecting a pixel, a power source circuit, and a compensation circuit for compensating variations in characteristics of a light-emitting element. The first substrate is connected to a second substrate through a connecting wire, and the second substrate has a controller and a video memory. The controller is a piece for making a signal which is necessary for a display device to display from image data to be inputted externally such as a CPU by using a video memory as required.
    • 在根据发光元件的特性的环境温度变化或随时间变化的情况下,亮度产生变化。 在本发明中,一种用于抑制由于环境温度的变化和随时间的变化而引起的发光元件的电流值的变化的影响的显示装置。 具有像素部分的第一衬底,其中由多个晶体管构成的像素被排列成矩阵,具有用于提供视频信号的源极驱动器,用于选择像素的栅极驱动器,电源电路和用于补偿变化的补偿电路 具有发光元件的特性。 第一基板通过连接线连接到第二基板,第二基板具有控制器和视频存储器。 控制器是用于通过使用视频存储器产生显示设备从外部输入的图像数据(例如CPU)显示所需的信号的片段。