公开(公告)号：US20240276791A1

公开(公告)日：2024-08-15

申请号：US18681046

申请日：2021-10-01

Applicant: Sharp Display Technology Corporation

Inventor： Takayuki NAKA

IPC: H10K59/122 ,  H10K50/115 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K50/115

Abstract: In a light-emitting element according to the present disclosure, if, as to thicknesses in a direction perpendicular to an upper surface of an anode, a hole transport layer has: a thickness D1 above a center of an anode; and a thickness D2 above a boundary line between the upper surface of the anode and a side surface of the bank, a relationship of D1

公开(公告)号：US20250133902A1

公开(公告)日：2025-04-24

申请号：US18685612

申请日：2021-10-15

Applicant: Sharp Display Technology Corporation

Inventor： Yoshihiro UETA ,  Takayuki NAKA

IPC: H10K50/155 ,  H10K50/115 ,  H10K50/17 ,  H10K102/00

Abstract: A light-emitting layer includes quantum dots, a hole injection layer provided between an anode and the light-emitting layer with one face in contact with the anode includes nanoparticles, and an average particle diameter of the nanoparticles included in the hole injection layer is less than an average particle diameter of the quantum dots included in the light-emitting layer.

公开(公告)号：US20240381683A1

公开(公告)日：2024-11-14

申请号：US18686493

申请日：2021-10-25

Applicant: Sharp Display Technology Corporation

Inventor： Yoshihiro UETA ,  Takayuki NAKA

IPC: H10K50/115 ,  H10K50/16

Abstract: A light-emitting element includes a first electrode and a second electrode, a light-emitting layer disposed between the first electrode and the second electrode, and a charge function layer disposed between the light-emitting layer and the second electrode. The light-emitting layer includes a quantum dot layer including a plurality of quantum dots, and the charge function layer includes a nanoparticle layer including a plurality of nanoparticles. An average particle diameter of the plurality of nanoparticles is larger than an average particle diameter of the plurality of quantum dots.

公开(公告)号：US20240349574A1

公开(公告)日：2024-10-17

申请号：US18293674

申请日：2021-10-01

Applicant: Sharp Display Technology Corporation

Inventor： Yoshihiro UETA ,  Takayuki NAKA

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K102/00

CPC classification number: H10K59/80 ,  H10K59/1201 ,  H10K59/122 ,  H10K2102/351

Abstract: An electron transport layer provided between a cathode and a light-emitting layer has pores above a vicinity region of a boundary line between a top face of an anode and a side face of a bank, the vicinity region including the boundary line.

公开(公告)号：US20240397743A1

公开(公告)日：2024-11-28

申请号：US18685601

申请日：2021-10-15

Applicant: SHARP DISPLAY TECHNOLOGY CORPORATION

Inventor： Yoshihiro UETA ,  Takayuki NAKA

IPC: H10K50/17 ,  C09K11/02 ,  C09K11/56 ,  C09K11/88 ,  H10K71/15

Abstract: Provided is a hole injection layer provided between an anode and a light-emitting layer that includes at least one type of solvent with high polarity and low vapor pressure.