公开(公告)号：US10044004B2

公开(公告)日：2018-08-07

申请号：US14966629

申请日：2015-12-11

Applicant: Samsung Display Co., Ltd.

Inventor： A Ree Song ,  Byeong-Hee Won ,  Jong In Baek ,  Won Sang Park

IPC: H01L29/08 ,  H01L51/56 ,  H01L27/32 ,  H01L51/52

Abstract: A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer.

公开(公告)号：US11776472B2

公开(公告)日：2023-10-03

申请号：US17187119

申请日：2021-02-26

Applicant: Samsung Display Co., Ltd.

Inventor： A Ree Song ,  Eun Jung Lee ,  Woo-Young Cheon ,  Byeong Hwa Choi

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2320/0247 ,  G09G2320/0261 ,  G09G2320/064 ,  G09G2320/10

Abstract: The present disclosure relates to a display device and a driving method thereof, and the display device according to an example embodiment includes a pixel unit including a plurality of pixels, and a light emission driver outputting a light emission control signal having different light emission cycles according to a driving frequency and a required luminance to the pixel unit.

公开(公告)号：US10529957B2

公开(公告)日：2020-01-07

申请号：US16054095

申请日：2018-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： A Ree Song ,  Byeong-Hee Won ,  Jong In Baek ,  Won Sang Park

IPC: H01L51/56 ,  H01L27/32 ,  H01L51/52

Abstract: A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer.