Etchant and method for manufacturing display device using the same

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United States of America Patent

PATENT NO 10636666
APP PUB NO 20200115631A1
SERIAL NO

16598475

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An etchant includes about 8 wt % to about 12 wt % of nitric acid, about 3 wt % to about 8 wt % of alkylsulfonic acid, about 7 wt % to about 12 wt % of a sulfate, about 40 wt % to about 55 wt % of an organic acid, about 0.5 wt % to about 5 wt % of an organic acid salt, and a balance of water.

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Patent Owner(s)

  • SAMSUNG DISPLAY CO., LTD.; DONGWOO FINE-CHEM CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Jin Seock Seongnam-si, KR 13 22
Kim, Ki Tae Osan-si, KR 332 2425
Lee, Won Ho Seoul, KR 97 480
Nam, Gi Yong Hwaseong-si, KR 2 24
Park, Jong Hee Yongin-si, KR 22 26
Park, Young-Chul Iksan-si, KR 25 96
Yoon, Young-Jin Jeonju-si, KR 19 119

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