公开(公告)号：US20170012093A1

公开(公告)日：2017-01-12

申请号：US15113074

申请日：2014-12-22

Applicant: JOLED INC.

Inventor： Shinya ONO ,  Hitoshi TSUGE ,  Kouhei EBISUNO

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3262 ,  H01L27/3248 ,  H01L27/3272 ,  H01L51/5221 ,  H01L2251/568

Abstract: An image display apparatus includes: a first pixel circuit including a driving transistor that drives a light emitting element and includes a gate electrode on a substrate, a semiconductor layer and a pair of source-drain electrodes; a second pixel circuit disposed adjacent to the first pixel circuit; a second pixel electrode that is formed above the second pixel circuit and is electrically connected to one of the pair of source-drain electrodes of the driving transistor of the first pixel circuit; and a top metal electrode that is electrically connected to one of the pair of source-drain electrodes and is formed to cover at least an entire channel region of the semiconductor layer from above.

Abstract translation: 一种图像显示装置包括：第一像素电路，包括驱动发光元件并在基板上包括栅电极的驱动晶体管，半导体层和一对源极 -​​ 漏极电极; 与所述第一像素电路相邻设置的第二像素电路; 第二像素电极，其形成在第二像素电路的上方，并与第一像素电路的驱动晶体管的一对源极 -​​ 漏极电极中的一个电连接; 以及电连接到所述一对源极 -​​ 漏极电极之一并且形成为从上方覆盖所述半导体层的至少整个沟道区域的顶部金属电极。

公开(公告)号：US20160203758A1

公开(公告)日：2016-07-14

申请号：US14914121

申请日：2014-08-26

Applicant: JOLED INC.

Inventor： Hitoshi TSUGE ,  Kouhei EBISUNO ,  Shinya ONO

IPC: G09G3/32

CPC classification number: G09G3/325 ,  G09G3/3258 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0289 ,  G09G2320/045 ,  G09G2320/0626 ,  G09G2330/021

Abstract: By a drive method, for each of a plurality of display pixels each including an EL element, a capacitor, a drive transistor, an enable switch, and a switch, a period T21 is started by switching only the enable switch to an electrically conductive state before a period T22 in which the drive transistor is initialized, and the period T22 following the period T21 is started by switching the switch to an electrically conductive state. The period T21 is longer than a period T24 in which a threshold voltage of the drive transistor is compensated.

Abstract translation: 通过驱动方法，对于包括EL元件，电容器，驱动晶体管，使能开关和开关的多个显示像素中的每一个，通过仅将使能开关切换到导电状态来开始周期T21 在驱动晶体管初始化的周期T22之前，并且通过将开关切换到导电状态来开始周期T21之后的周期T22。 周期T21长于补偿驱动晶体管的阈值电压的周期T24。

公开(公告)号：US20160210898A1

公开(公告)日：2016-07-21

申请号：US14915347

申请日：2014-06-09

Applicant: JOLED INC.

Inventor： Hitoshi TSUGE ,  Kouhei EBISUNO ,  Shigeo HOMURA

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0254 ,  G09G2310/0256 ,  G09G2320/0223 ,  G09G2320/043 ,  H01L27/3244

Abstract: A display device comprising pixel circuits arranged in a matrix, in which each of the pixel circuits includes: an EL element; a capacitor for storing voltage; a drive transistor that provides, to the EL element, a current corresponding to the voltage stored in the capacitor to cause the EL element to emit light; a voltage supplier that applies a reference voltage to the drive transistor in an initialization period, and applies a reverse bias voltage to the drive transistor in a predetermined period before the initialization period, the reference voltage being higher than a threshold voltage of the drive transistor and providing a forward bias between the gate and source electrodes of the drive transistor, the initialization period being a period for initializing the pixel circuit, the reverse bias voltage providing a reverse bias between the gate and source electrodes of the drive transistor.

Abstract translation: 一种显示装置，包括以矩阵形式布置的像素电路，其中每个像素电路包括：EL元件; 用于存储电压的电容器; 驱动晶体管，向所述EL元件提供与所述电容器中存储的电压相对应的电流，以使所述EL元件发光; 电压供给器，其在初始化期间对所述驱动晶体管施加基准电压，并且在所述初始化期间之前的规定期间向所述驱动晶体管施加反向偏置电压，所述基准电压高于所述驱动晶体管的阈值电压， 在驱动晶体管的栅极和源极之间提供正向偏压，初始化周期是用于初始化像素电路的周期，反向偏置电压在驱动晶体管的栅极和源极之间提供反向偏置。