公开(公告)号：US11778843B2

公开(公告)日：2023-10-03

申请号：US17277269

申请日：2018-09-18

申请人： SHARP KABUSHIKI KAISHA

发明人： Hisayuki Utsumi ,  Youhei Nakanishi ,  Masayuki Kanehiro ,  Shota Okamoto ,  Hiroki Imabayashi ,  Tatsuya Ryohwa ,  Kanako Nakata

IPC分类号： H01L51/50 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00 ,  H10K71/13 ,  H10K102/00

CPC分类号： H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K71/00 ,  H10K71/135 ,  H10K2102/00

摘要： A light-emitting element includes an anode, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer, and a cathode, in this order. The electron transport layer includes a particulate metal oxide and a conductive resin that disperses the metal oxide.

公开(公告)号：US12082430B2

公开(公告)日：2024-09-03

申请号：US17258336

申请日：2018-07-24

申请人： SHARP KABUSHIKI KAISHA

发明人： Hiroki Imabayashi ,  Masayuki Kanehiro ,  Hisayuki Utsumi ,  Shota Okamoto ,  Youhei Nakanishi ,  Tatsuya Ryohwa ,  Kanako Nakata

IPC分类号： H01L51/50 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  H01L51/00 ,  H01L51/56 ,  H10K50/115 ,  H10K71/00 ,  H10K71/12

CPC分类号： H10K50/115 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/025 ,  H10K71/00 ,  H10K71/12

摘要： Provided is a light-emitting device including a light-emitting element including a first electrode, a second electrode, and a quantum dot layer between the first electrode and the second electrode, wherein, in the quantum dot layer, quantum dots each including a core, a shell covering the core, and a ligand coordinated with a surface of the shell and having defect compensation properties are layered.

公开(公告)号：US12022673B2

公开(公告)日：2024-06-25

申请号：US17298847

申请日：2018-12-11

申请人： SHARP KABUSHIKI KAISHA

发明人： Hisayuki Utsumi ,  Youhei Nakanishi ,  Masayuki Kanehiro ,  Shota Okamoto ,  Hiroki Imabayashi

IPC分类号： H10K50/16 ,  H10K59/122 ,  H10K59/35 ,  H10K71/00 ,  H10K85/60 ,  H10K102/00

CPC分类号： H10K50/16 ,  H10K59/35 ,  H10K71/00 ,  H10K59/122 ,  H10K85/636 ,  H10K85/6572 ,  H10K2102/00 ,  H10K2102/331

摘要： A display device includes an anode electrode a cathode electrode a light-emitting layer, and an electron transport layer. The light-emitting layer is provided between the anode electrode and the cathode electrode. The electron transport layer is provided between the cathode electrode and the light-emitting layer. The electron transport layer includes a nanoparticle of a metal oxide, and an organic modifier configured to cover a surface of the nanoparticle and having electron donating characteristics.