公开(公告)号：US11476433B2

公开(公告)日：2022-10-18

申请号：US16839857

申请日：2020-04-03

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Sukyung Choi ,  Hyunkoo Lee ,  Byoung-Hwa Kwon ,  Jaehyun Moon ,  Hyunsu Cho ,  Chan-mo Kang ,  Chunwon Byun ,  Jin Wook Shin ,  Nam Sung Cho

IPC分类号： H01L29/06 ,  H01L51/50 ,  H01L51/00 ,  H01L51/56 ,  C09K11/06

摘要： Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.

公开(公告)号：US11430836B2

公开(公告)日：2022-08-30

申请号：US16680724

申请日：2019-11-12

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Hyunsu Cho ,  Chan-mo Kang ,  Byoung-Hwa Kwon ,  Chunwon Byun ,  Jin Wook Shin ,  Hyunkoo Lee ,  Sukyung Choi

IPC分类号： H01L27/32 ,  H01L51/56 ,  H01L51/00

摘要： A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.

公开(公告)号：US12036028B2

公开(公告)日：2024-07-16

申请号：US17353495

申请日：2021-06-21

申请人： Electronics and Telecommunications Research Institute

发明人： O Eun Kwon ,  Chan-mo Kang ,  Kukjoo Kim ,  Jin-Wook Shin ,  Chunwon Byun ,  Sukyung Choi ,  Byoung-Hwa Kwon ,  Sujung Kim ,  Sooji Nam ,  Chan Woo Park ,  Jong-Heon Yang

IPC分类号： A61B5/00 ,  A61B5/1455 ,  A61B5/291 ,  A61B5/293 ,  A61B5/25 ,  A61N5/06

CPC分类号： A61B5/291 ,  A61B5/4836 ,  A61B5/1455 ,  A61B5/25 ,  A61B5/293 ,  A61B5/6801 ,  A61B5/6867 ,  A61B5/6868 ,  A61B2562/06 ,  A61N5/0622 ,  A61N2005/0653

摘要： Provided is a bio-signal detection and stimulation device. The bio-signal detection and stimulation device includes a flexible substrate, a stimulation part on the flexible substrate, and a detection electrode part on the flexible substrate. The stimulation part and the detection electrode part vertically overlap each other, the stimulation part includes an organic light emitting diode (OLED), the stimulation part emits an optical signal, and the detection electrode part detects a bio-signal.

公开(公告)号：US20210202855A1

公开(公告)日：2021-07-01

申请号：US17064892

申请日：2020-10-07

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Nae-Man PARK ,  Sukyung Choi ,  Jee Eun Oh

IPC分类号： H01L51/00 ,  C08B1/00 ,  C08K5/42

摘要： The present disclosure relates to a semiconductor material including a cellulose nanocrystal and a manufacturing method thereof. Particularly, according to the present disclosure, by attaching an electron withdrawing group or an electron donating group to the surface of the cellulose nanocrystal which is a nonconductor, holes or free electrons are formed in the cellulose nanocrystal, and the cellulose nanocrystal may be used as a semiconductor material.