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    STRETCHABLE DISPLAY DEVICE
    4.
    发明申请
    STRETCHABLE DISPLAY DEVICE 有权

    公开(公告)号：US20210280827A1

    公开(公告)日：2021-09-09

    申请号：US17191276

    申请日：2021-03-03

    申请人： Electronics and Telecommunications Research Institute

    发明人： Ji-Young OH ,  Himchan OH ,  Chul Woong JOO ,  Seung Youl KANG ,  Chan Woo PARK ,  Seongdeok AHN ,  Jae-Eun PI ,  Chi-Sun HWANG

    IPC分类号： H01L51/52 ,  H01L51/00

    摘要： Provided is a stretchable display device. The stretchable display device includes a substrate and a base pattern on the substrate, wherein the base pattern comprises a first portion, a second portion, and a connection portion configured to connect the first portion to the second portion. The stretchable display device includes a lower electrode on the first portion of the base pattern; an upper electrode on the lower electrode, a light emitting structure between the lower electrode and the upper electrode, and a protective layer configured to cover top and side surfaces of the upper electrode, side surfaces of the light emitting structure, a side surface of the lower electrode, and a portion of a side surface of the base pattern. The upper electrode extends to a top surface of the connection portion and a top surface of the second portion of the base pattern, and the first portion and the second portion of the base pattern extend in a first direction parallel to a top surface of the substrate. The first portion and the second portion are parallel to the top surface of the substrate and are spaced apart from each other in a second direction crossing the first direction.
    The connection portion extends in the second direction. A level of the lowermost surface of the protective layer is disposed between a bottom surface of the lower electrode and a bottom surface of the base pattern.

    PIXEL CIRCUIT FOR CONFIGURING ACTIVE INPUT ARRAY AND INPUT DEVICE INCLUDING THE SAME
    9.
    发明申请
    PIXEL CIRCUIT FOR CONFIGURING ACTIVE INPUT ARRAY AND INPUT DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20200072665A1

    公开(公告)日：2020-03-05

    申请号：US16552550

    申请日：2019-08-27

    申请人： Electronics and Telecommunications Research Institute

    发明人： CHUNWON BYUN ,  Young-deuk JEON ,  Chi-Sun HWANG ,  Chan-mo KANG ,  Yun-Jeong KIM ,  Hye Jin KIM ,  Seongdeok AHN ,  JEONG IK LEE ,  Seong Hyun KIM ,  Bock Soon NA

    IPC分类号： G01J1/46 ,  G06F3/01 ,  G01L9/08

    摘要： Provided is a pixel circuit. The pixel circuit includes a conversion element configured to form a voltage of an input level corresponding to a magnitude of a received energy at a first node, a first transistor configured to adjust the voltage of the first node to a first level in response to a first signal received at a first time interval, a first capacitive element configured to form a voltage at a second node based on the voltage of the first node, a second transistor configured to adjust a level of the voltage of the second node to a second level in response to the first signal, a third transistor configured to form a voltage at a third node, the voltage having a level corresponding to the level of the voltage of the second node, a fourth transistor configured to output a current corresponding to the voltage of the third node in response to a second signal received in a second time interval after the first time interval, and a fifth transistor configured to adjust the voltage of the third node to a third level in response to a third signal received in a third time interval after the second time interval.