公开(公告)号：US11217696B2

公开(公告)日：2022-01-04

申请号：US16354396

申请日：2019-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do Hyung Kim ,  Gun Hee Kim ,  Hyeon Sik Kim ,  Sang Ho Park ,  Joo Hee Jeon

IPC: H01L29/12 ,  H01L29/786 ,  H01L29/417 ,  H01L27/32 ,  H01L29/08

Abstract: A thin film transistor array panel includes a substrate, a first gate electrode on the substrate, a semiconductor layer on the first gate electrode, the semiconductor layer including a drain region, a source region, a lightly doped drain (LDD) region, and a channel region, a second gate electrode on the semiconductor layer, the first gate electrode and the second gate electrode each overlapping the channel region, a control gate electrode that overlaps the LDD region, and a source electrode and a drain electrode respectively connected with the source region and the drain region of the semiconductor layer.

公开(公告)号：US12057509B2

公开(公告)日：2024-08-06

申请号：US17544353

申请日：2021-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Do Hyung Kim ,  Gun Hee Kim ,  Hyeon Sik Kim ,  Sang Ho Park ,  Joo Hee Jeon

IPC: H01L29/78 ,  H01L29/08 ,  H01L29/417 ,  H01L29/786 ,  H10K59/121

CPC classification number: H01L29/78621 ,  H01L29/0847 ,  H01L29/41733 ,  H01L29/78648 ,  H01L29/7869 ,  H10K59/1213

Abstract: A thin film transistor array panel includes a substrate, a first gate electrode on the substrate, a semiconductor layer on the first gate electrode, the semiconductor layer including a drain region, a source region, a lightly doped drain (LDD) region, and a channel region, a second gate electrode on the semiconductor layer, the first gate electrode and the second gate electrode each overlapping the channel region, a control gate electrode that overlaps the LDD region, and a source electrode and a drain electrode respectively connected with the source region and the drain region of the semiconductor layer.

公开(公告)号：US11114026B2

公开(公告)日：2021-09-07

申请号：US16295361

申请日：2019-03-07

Applicant: Samsung Display Co., Ltd.

Inventor： Gun Hee Kim ,  Do Hyung Kim ,  Hyeonsik Kim ,  Sangho Park ,  Joo-Sun Yoon ,  Joohee Jeon

IPC: G09G3/32 ,  H01L27/32 ,  G09G3/3225 ,  G09G3/3233

Abstract: A display apparatus includes a plurality of pixels, each of the pixels including an organic light emitting diode, a first transistor providing a driving current to operate the organic light emitting diode, a second transistor including a gate electrode that receives a first scan signal, a first electrode that receives a data signal, and a second electrode electrically connected to the first electrode of the first transistor, a storage capacitor including a first electrode receiving a first power voltage and a second electrode electrically connected to the gate electrode of the first transistor, and a color accuracy enhancement transistor that applies a first back bias voltage to the first transistor in response to a color accuracy enhancement signal.

公开(公告)号：US10861918B2

公开(公告)日：2020-12-08

申请号：US16277221

申请日：2019-02-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joohee Jeon ,  Gun Hee Kim ,  Do Hyung Kim ,  Hyeonsik Kim ,  Sangho Park

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L29/786 ,  H01L27/12

Abstract: An organic light emitting diode display device includes a substrate, a driving transistor, and a sub-pixel structure. The substrate has a first trench. The driving transistor is inside the first trench of the substrate. The sub-pixel structure is on the driving transistor.