公开(公告)号：US20240120324A1

公开(公告)日：2024-04-11

申请号：US18462004

申请日：2023-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Tae Hee LEE ,  Kyung Ho KIM ,  Young Seok SEO ,  Joo Woan CHO ,  Byeong Hwa CHO

IPC: H01L25/075

CPC classification number: H01L25/0753

Abstract: An apparatus for fabricating a display panel, including a film fixing module configured to fix a stretched film on which a plurality of light emitting elements are arranged, a film pressurizing module configured to pressurize the stretched film, a first thickness detection module configured to detect, at each pressurization step, a modulus of elasticity and a change in thickness of the stretched film that is pressurized and stretched by the film pressurizing module, a second thickness detection module configured to detect, at each pressurization step, a change in thickness of an adhesive applied in a front direction of the stretched film, an image detection module configured to photograph the plurality of light emitting elements arranged on the stretched film for each pressurization step and to detect a change in arrangement information of the light emitting elements, and a main processor configured to database feature change information.