公开(公告)号：US20250018710A1

公开(公告)日：2025-01-16

申请号：US18432424

申请日：2024-02-05

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hwan KIM ,  Min Ho BAE ,  Hae Wook YANG ,  Gil Jun KIM

IPC: B41J2/06

Abstract: A printing device includes a reservoir accommodating a fluid, a first nozzle disposed on the bottom of the reservoir, the first nozzle including a plurality of nozzle holes through which the fluid is discharged as a droplet, first electrodes disposed on at least a portion of the bottom of the first nozzle, corresponding to the plurality of nozzle holes and a first insulating layer surrounding the first electrodes.

公开(公告)号：US20230360934A1

公开(公告)日：2023-11-09

申请号：US18186876

申请日：2023-03-20

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hyup KIM ,  Jin Pyung LEE ,  Gil Jun KIM ,  Yong Hwan KIM ,  Min Ho BAE ,  Hae Wook YANG

IPC: H01L21/67

CPC classification number: H01L21/67121

Abstract: A laser pressure head module including: a pressure member including: a first light-transmitting member; a second light-transmitting member; and a sealed space between the first light-transmitting member and the second light-transmitting member; and a gas supply unit to supply gas to the sealed space to generate a pressing force. The second light-transmitting member is to be expanded or moved in an external direction by the pressing force.