The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Apr. 21, 2020
Keeps Biopharma Inc., Hwaseong-si, KR;
Jungho Kim, Hwaseong-si, KR;
KEEPS BIOPHARMA INC., Hwaseong-si, KR;
Abstract
Disclosed are a hybrid stick mask and a manufacturing method therefor, a mask assembly including a hybrid stick mask, and an organic light emitting display device using same. A hybrid stick mask, according to one embodiment of the present invention, comprises: a structural stick mask having a plurality of openings in a first direction, having first bonding regions provided along the circumference of the openings, and having tension fixing portions at both ends in the first direction so as to be fixed to a frame while tensile force is applied; and cell unit masks each having a deposition region corresponding to the opening, and a second bonding region provided along the circumference of the deposition region so as to be bonded to the first bonding region. Each of the cell unit masks can be individually coupled to the structural stick mask.