Metal plate for deposition mask, and deposition mask and manufacturing method therefor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11732364
APP PUB NO 20220149283A1
SERIAL NO

17574128

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A metal plate to be used in the manufacture of a deposition mask comprises: a base metal plate; and a surface layer disposed on the base metal plate, wherein the surface layer includes elements different from those of the base metal plate, or has a composition ratio different from that of the base metal plate, and an etching rate of the base metal plate is greater than the etching rate of the surface layer. An embodiment includes a manufacturing method for a deposition mask having an etching factor greater than or equal to 2.5. The deposition mask of the embodiment includes a deposition pattern region and a non-deposition region, the deposition pattern region includes a plurality of through-holes, the deposition pattern region is divided into an effective region, a peripheral region, and a non-effective region, and through-holes can be formed in the effective region and the peripheral region.

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Patent Owner(s)

  • LG INNOTEK CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Su Hyeon Seoul, KR 7 10
Han, Tae Hoon Seoul, KR 5 33
Kim, Hae Sik Seoul, KR 24 55
Lee, Sang Beum Seoul, KR 9 7
Lee, Sang Yu Seoul, KR 34 186
Seong, Dong Mug Seoul, KR 32 188
Son, Hyo Won Seoul, KR 6 33
Yun, Jong Min Seoul, KR 8 7

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