公开(公告)号：US20190251899A1

公开(公告)日：2019-08-15

申请号：US16270945

申请日：2019-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyo-Chul LEE ,  Hongbo KIM ,  Yoonjung CHAI

IPC: G09G3/3233 ,  G09G3/3266 ,  H01L27/32

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/028 ,  H01L27/3262 ,  H01L27/3265

Abstract: A pixel of an organic light emitting diode display device includes a switching transistor which transfers a data voltage in response to a scan voltage applied thereto through a scan line, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an organic light emitting diode which emits light based on the driving current, and an anode discharging capacitor connected between the scan line and an anode of the organic light emitting diode.

公开(公告)号：US20190304377A1

公开(公告)日：2019-10-03

申请号：US16351136

申请日：2019-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hyo-Chul LEE ,  Cholho KIM ,  Hongbo KIM ,  Yoonjung CHAI

IPC: G09G3/3266

Abstract: A scan driver includes: a blocking circuit configured to receive a scan control signal and to block the scan control signal lower than a predetermined first reference voltage and higher than a predetermined second reference voltage, wherein the second reference voltage is higher than the first reference voltage; and a plurality of stages configured to output scan signals in response to the scan control signal, wherein the blocking circuit includes: a first block circuit configured to block the scan control signal lower than the first reference voltage; and a second block circuit configured to block the scan control signal higher than the second reference voltage.