Method of manufacturing display device

The method improves display device manufacturing efficiency by using alignment marks and a camera to optimize bending paths, addressing stress and alignment issues in bendable circuit films.

KR102990908B1Active Publication Date: 2026-07-15SAMSUNG DISPLAY CO LTD

Patent Information

Authority / Receiving Office
KR · KR
Patent Type
Patents
Current Assignee / Owner
SAMSUNG DISPLAY CO LTD
Filing Date
2022-10-17
Publication Date
2026-07-15

AI Technical Summary

Technical Problem

Existing methods for manufacturing display devices with bendable circuit films face challenges in improving productivity due to stress application during bending and alignment issues.

Method used

A method involving the use of alignment marks and a camera to capture and compare phases, allowing for optimal bending paths and reduced realignment of members in the manufacturing process.

Benefits of technology

Enhances productivity by minimizing realignments and optimizing the bending process through precise alignment and path adjustment.

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  • Figure R1020220133629_ABST
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Abstract

A method for manufacturing a display device includes the steps of: placing a member having a first alignment mark and a second alignment mark spaced apart from the first alignment mark on a stage; adsorbing the member onto the upper surface of the stage; capturing an image of the member with a camera placed on the stage; comparing the captured phase of the second alignment mark with a first preset phase of the second alignment mark; adsorbing the member to a bending part placed spaced apart from the stage; and bending the member to the bending part.
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