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    • 5. 发明申请
    • ACTIVE MATRIX DISPLAY APPARATUS
    • 主动矩阵显示设备
    • US20100090205A1
    • 2010-04-15
    • US12520944
    • 2007-01-29
    • Masato OfujiKatsumi AbeMasafumi SanoHideya KumomiRyo Hayashi
    • Masato OfujiKatsumi AbeMasafumi SanoHideya KumomiRyo Hayashi
    • H01L51/50H01L29/24H01L33/00
    • H01L27/3265H01L27/3248H01L2227/323H01L2251/5323
    • An active matrix display apparatus including a transistor 20, a storage capacitor 30 and a light-emitting element 40, which are formed on a substrate 10. The transistor 20 has a source electrode 21, a drain electrode 22 and a gate electrode 23. The storage capacitor 30 has a multilayered structure of a first electrode 31, a dielectric layer 32 and a second electrode 33 stacked in this order on the substrate 10. The light-emitting element 40 has a multilayered structure of a third electrode 41, a light-emitting layer 42 and a fourth electrode 43 stacked in this order on the substrate 10. The first electrode 31 is connected to the gate electrode 23, and at least a part of the storage capacitor 30 is disposed between the substrate 10 and the light-emitting element 40. All of the substrate 10, the first electrode 31, second electrode 33 and the third electrode 41 are formed from a material transmitting a visible light.
    • 形成在基板10上的包括晶体管20,存储电容30和发光元件40的有源矩阵型显示装置。晶体管20具有源电极21,漏电极22和栅电极23。 存储电容器30具有在基板10上依次堆叠的第一电极31,电介质层32和第二电极33的多层结构。发光元件40具有第三电极41,发光元件 发光层42和第四电极43依次层叠在基板10上。第一电极31与栅电极23连接,保持电容30的至少一部分配置在基板10和发光层 基板10,第一电极31,第二电极33和第三电极41都由透射可见光的材料形成。
    • 6. 发明授权
    • Active matrix display apparatus
    • 主动矩阵显示装置
    • US08507910B2
    • 2013-08-13
    • US12520944
    • 2008-01-17
    • Masato OfujiKatsumi AbeMasafumi SanoHideya KumomiRyo Hayashi
    • Masato OfujiKatsumi AbeMasafumi SanoHideya KumomiRyo Hayashi
    • H01L29/00
    • H01L27/3265H01L27/3248H01L2227/323H01L2251/5323
    • An active matrix display apparatus includes a transistor, a storage capacitor, and a light-emitting element formed on a substrate. The transistor includes a source electrode, a drain electrode, and a gate electrode. The storage capacitor has a multilayered structure of a first electrode, a dielectric layer, and a second electrode stacked in this order on the substrate, and the light-emitting element has a multilayered structure of a third electrode, a light-emitting layer, and a fourth electrode stacked in this order on the substrate. The first electrode is electrically connected to the gate electrode of the transistor, and at least a part of the storage capacitor is disposed between the substrate and the light-emitting element. All of the substrate, the first electrode, the second electrode, and the third electrode are formed from a material transmitting a visible light emitted by the light-emitting element. Viewing from a top of the substrate, a region for storing charges in the storage capacitor includes or is equal to a light-emitting region of the light-emitting element.
    • 有源矩阵显示装置包括晶体管,存储电容器和形成在基板上的发光元件。 晶体管包括源电极,漏电极和栅电极。 存储电容器具有在基板上依次层叠的第一电极,电介质层和第二电极的多层结构,并且发光元件具有第三电极,发光层和多层结构的多层结构 在基板上依次层叠的第四电极。 第一电极电连接到晶体管的栅电极,并且至少一部分存储电容器设置在基板和发光元件之间。 所有的基板,第一电极,第二电极和第三电极由透射由发光元件发出的可见光的材料形成。 从基板的顶部观察,用于在存储电容器中存储电荷的区域包括或等于发光元件的发光区域。
    • 8. 发明授权
    • Driving circuit of display element and image display apparatus
    • 显示元件和图像显示装置的驱动电路
    • US08599111B2
    • 2013-12-03
    • US12162929
    • 2007-03-08
    • Katsumi AbeMasafumi SanoRyo HayashiHideya Kumomi
    • Katsumi AbeMasafumi SanoRyo HayashiHideya Kumomi
    • G09G3/30G09G5/10
    • G09G3/3283G09G3/2014G09G3/325G09G2300/0819G09G2300/0852G09G2300/0861G09G2310/0251G09G2310/066G09G2320/0238G09G2320/043
    • A driving circuit of a display element includes a current source circuit having a first transistor and a holding circuit for holding a gate voltage of the first transistor during a first period at an electric potential corresponding to a constant current to be supplied to the display element, and a control circuit including a second transistor connected in series to the current source circuit and connected in parallel to the display element and the capacitor element whose one terminal is connected to a gate of the second transistor and the other terminal is connected to a line, and controlling the light emission time of the display element by controlling the second transistor during a third period. A constant voltage is applied from the line during the first period. The gray-scale voltage is applied from the line during a second period, and the gate of the second transistor and the one terminal are short-circuited. In addition, an electric charge based on the difference between the gray-scale voltage and the gate voltage of the second transistor is accumulated in the capacitor element, and a sweep voltage is applied during the third period, so that the ON time of the second transistor is controlled.
    • 显示元件的驱动电路包括具有第一晶体管和保持电路的电流源电路,所述保持电路用于在第一周期期间保持与要提供给显示元件的恒定电流相对应的电位的第一晶体管的栅极电压, 以及控制电路,包括与所述电流源电路串联连接并并联连接到所述显示元件的第二晶体管和所述电容器元件,所述电容器元件的一个端子连接到所述第二晶体管的栅极,并且所述另一端子连接到线路, 以及通过在第三周期期间控制所述第二晶体管来控制所述显示元件的发光时间。 在第一周期期间从线路施加恒定电压。 在第二周期期间,从线路施加灰度电压,并且第二晶体管的栅极和一个端子短路。 此外,基于第二晶体管的灰度电压和栅极电压之间的差异的电荷累积在电容器元件中,并且在第三周期期间施加扫描电压,使得第二时间的导通时间 晶体管被控制。
    • 10. 发明授权
    • Pixel circuit and image display apparatus having the pixel circuit
    • 具有像素电路的像素电路和图像显示装置
    • US08068071B2
    • 2011-11-29
    • US11683872
    • 2007-03-08
    • Katsumi AbeHideya KumomiRyo HayashiMasafumi Sano
    • Katsumi AbeHideya KumomiRyo HayashiMasafumi Sano
    • G09G3/30G09G3/32
    • G09G3/325G09G2300/0819G09G2300/0842G09G2300/0861G09G2320/043
    • A pixel circuit and an image display apparatus are provided making use of a hysteresis characteristics of a transistor for driving a display element. The pixel circuit comprises: a transistor providing both different first and second relations between a gate voltage value and a drain current value at a transition from off state to an on state, and from the on state transits to the off state respectively; a display element supplied as a drive current with a current controlled by the transistor; and a capacitor element connected to a gate electrode of the transistor. One of the first and second relations is utilized during a first period for setting the drive current to be supplied to the display element. And, the other of the first and second relations is utilized during a second period for supplying the drive current to the display element to effect light emission.
    • 使用用于驱动显示元件的晶体管的滞后特性来提供像素电路和图像显示装置。 像素电路包括:晶体管,在从断开状态转换到导通状态时,分别在栅极电压值和漏极电流值之间分别具有不同的第一和第二关系,以及从导通状态转移到断开状态。 以由晶体管控制的电流作为驱动电流提供的显示元件; 以及连接到晶体管的栅电极的电容器元件。 第一和第二关系中的一个在第一时段期间被利用来设定要提供给显示元件的驱动电流。 并且,在第二时段期间利用第一和第二关系中的另一个来向显示元件提供驱动电流以实现发光。