公开(公告)号：US20230012042A1

公开(公告)日：2023-01-12

申请号：US17861019

申请日：2022-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Cheho Lim ,  Dongjun Lee ,  Kangsoo Han ,  Sangyeon Hwang ,  Jeongwon Han

IPC: H01L21/66 ,  H01L51/00 ,  H01L27/32 ,  B41M3/00 ,  G01N15/06

Abstract: A method of manufacturing a display apparatus, the method includes supplying, from an ejector, a droplet onto a plane, capturing an image of the droplet, calculating a first luminance of a first area of the plane, the first area including a planar area of the droplet, and calculating a concentration of particles contained in the droplet based on the first luminance.

公开(公告)号：US09931838B2

公开(公告)日：2018-04-03

申请号：US15254019

申请日：2016-09-01

Applicant: SAMSUNG DISPLAY CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongjun Lee ,  Minsoo Kim ,  Jongwon Kim ,  Seungdon Lee ,  Hyunjin Lee

IPC: B41J2/045 ,  H01L51/56 ,  H01L51/52 ,  H01L27/32 ,  G02F1/133 ,  G02F1/1337 ,  G02F1/1341

CPC classification number: B41J2/04541 ,  B41J2/04586 ,  G02F1/1303 ,  G02F1/13306 ,  G02F1/1337 ,  G02F1/1341 ,  H01L27/3244 ,  H01L51/0005 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/558

Abstract: An inkjet printing method includes: setting a first region to be printed at a constant print density within a target region to be printed; setting a second region within the target region and closer than the first region to an edge of the target region, wherein the second region is to be printed at a print density that varies according to a position; generating control data for a plurality of nozzles provided on an inkjet head in order to print the first region and the second region; and driving the inkjet head according to the control data.