Deposition mask and method for manufacturing organic light emitting display using the same

US8968477B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8968477-B2
Application numberUS-57500109-A
CountryUS
Kind codeB2
Filing dateOct 7, 2009
Priority dateJul 15, 2004
Publication dateMar 3, 2015
Grant dateMar 3, 2015

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Abstract

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A deposition mask for manufacturing an organic light emitting display (OLED) using the same are provided. The deposition mask is intended for preventing an organic film from being damaged due to touching of a blocked-off portion of the mask to an emission layer (EML), or chemical transition from being generated at the organic film. For that purpose, the deposition mask stuck to a substrate of the OLED to deposit an organic EML includes an opening and an indentation. The opening is opened so as to deposit the organic EML. The indentation is indented a predetermined depth from a plane facing the substrate.

First claim

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What is claimed is: 1. A deposition mask, comprising: a planar portion; and unit masks, each unit mask comprising: a single first opening and two first indentations arranged in a first row in the planar portion; and a plurality of second openings and a plurality of second indentations arranged in a second row in the planar portion, wherein: the first and second openings are configured to permit deposition of an organic emission layer on a substrate of an organic light e…

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What does patent US8968477B2 cover?
A deposition mask for manufacturing an organic light emitting display (OLED) using the same are provided. The deposition mask is intended for preventing an organic film from being damaged due to touching of a blocked-off portion of the mask to an emission layer (EML), or chemical transition from being generated at the organic film. For that purpose, the deposition mask stuck to a substrate of t…
Who is the assignee on this patent?
Kang Chang-Ho, Kim Tae-Seung, Hong Jae-Min, and 1 more
What technology area does this patent fall under?
Primary CPC classification C23C14/042. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).