公开(公告)号：US20210193037A1

公开(公告)日：2021-06-24

申请号：US17191782

申请日：2021-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG-IN HWANG ,  SUNG HO KIM ,  YONG HO YANG ,  SEONG MIN WANG

IPC: G09G3/3233 ,  H01L27/32 ,  H01L51/00 ,  G09G3/3258

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a fist gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20170352718A1

公开(公告)日：2017-12-07

申请号：US15400387

申请日：2017-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SUNG HO KIM ,  JONG MOO HUH

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/56

CPC classification number: H01L27/3279 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/3262 ,  H01L33/32 ,  H01L51/0545 ,  H01L51/5012 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic light emitting diode display includes a substrate, a semiconductor, a gate electrode, a source electrode connected to a first portion of the semiconductor, a drain electrode connected to a second portion of the semiconductor, and a pixel electrode connected to the drain electrode. Each of the source electrode, the drain electrode, and the pixel electrode includes a barrier metal layer, a low resistance metal layer, a metal oxide layer, and a contact assistant layer disposed between the low resistance metal layer and the metal oxide layer. The source electrode, the drain electrode, and the pixel electrode each have a step shape.

公开(公告)号：US20240420636A1

公开(公告)日：2024-12-19

申请号：US18815279

申请日：2024-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG-IN HWANG ,  SUNG HO KIM ,  YONG HO YANG ,  SEONG MIN WANG

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/12 ,  H01L29/786 ,  H10K59/121 ,  H10K59/131 ,  H10K77/10 ,  H10K102/00

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a first gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20230274699A1

公开(公告)日：2023-08-31

申请号：US18312257

申请日：2023-05-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YOUNG-IN HWANG ,  SUNG HO KIM ,  YONG HO YANG ,  SEONG MIN WANG

IPC: G09G3/3233 ,  G09G3/3258 ,  H10K59/131 ,  H10K59/121 ,  H10K77/10

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  H10K59/1213 ,  H10K59/131 ,  H10K77/111 ,  G09G2320/0257 ,  H01L27/1222

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a fist gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20170170252A1

公开(公告)日：2017-06-15

申请号：US15251678

申请日：2016-08-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONG WON KIM ,  SUNG HO KIM ,  JONG MOO HUH

IPC: H01L27/32 ,  H01L49/02

CPC classification number: H01L27/3265 ,  H01L27/1225 ,  H01L27/1255 ,  H01L27/3262 ,  H01L28/60 ,  H01L29/7869 ,  H01L2227/323

Abstract: An organic light emitting diode display, includes a substrate; a thin film transistor and a storage capacitor that are disposed and spaced apart from each other on the substrate; and an organic light emitting diode that is connected to the thin film transistor. The storage capacitor includes a capacitor lower electrode, a capacitor insulating layer disposed on the capacitor lower electrode, and a capacitor upper electrode disposed on the capacitor insulating layer. The capacitor lower electrode is a conducting oxide semiconductor into which hydrogen has diffused.