公开(公告)号：US20200051472A1

公开(公告)日：2020-02-13

申请号：US16372248

申请日：2019-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Bae JU ,  Sang Jin PARK ,  Dong Hyun YANG ,  In Kyung YOO

IPC: G09G3/00 ,  G09G3/3258 ,  H01L51/00 ,  H01L51/56

Abstract: A repairing method of an organic light emitting diode display, including: a repairability checking step for applying a first positive bias to a pixel including a driving transistor and an organic light emitting diode based on the organic light emitting diode; and a stress applying step for applying a second positive bias that is greater than the first positive bias to the organic light emitting diode.

公开(公告)号：US20200027935A1

公开(公告)日：2020-01-23

申请号：US16420930

申请日：2019-05-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In Kyung YOO ,  Donghyun YANG ,  SungBae JU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a base substrate, a thin film transistor layer on the base substrate, an insulation layer on the thin film transistor layer, a first electrode on the insulation layer and in a light emitting area, a pixel defining layer having an opening that has a size and a shape substantially same as that of the first electrode, and on the insulation layer, a light emitting layer on the first electrode, and a second electrode on the light emitting layer.