公开(公告)号：US10941342B2

公开(公告)日：2021-03-09

申请号：US16505712

申请日：2019-07-09

申请人： Samsung Display Co., Ltd. ,  DONGWOO FINE-CHEM CO., LTD.

发明人： Bong Kyun Kim ,  Jin Suek Kim ,  Seung Bo Shim ,  Shin Hyuk Choi ,  Seung Hee Kim ,  Dong Hee Lee ,  In Seol Kuk ,  Beom Soo Kim ,  Sang Tae Kim ,  Young Chul Park ,  Young Jin Yoon ,  Dae Sung Lim

IPC分类号： C09K13/06 ,  C09K13/12

摘要： An etchant composition may include: a peroxosulfate; a cyclic amine compound; a first amphoteric compound including a carboxyl group; and a second amphoteric compound including a sulfone group, wherein the second amphoteric compound may be different from the first amphoteric compound.

公开(公告)号：US20200024516A1

公开(公告)日：2020-01-23

申请号：US16505712

申请日：2019-07-09

申请人： Samsung Display Co., Ltd. ,  DONGWOO FINE-CHEM CO., LTD.

发明人： Bong Kyun KIM ,  Jin Suek Kim ,  Seung Bo Shim ,  Shin Hyuk Choi ,  Seung Hee Kim ,  Dong Hee Lee ,  In Seol Kuk ,  Beom Soo Kim ,  Sang Tae Kim ,  Young Chul Park ,  Young Jin Yoon ,  Dae Sung Lim

IPC分类号： C09K13/06 ,  C09K13/12

摘要： An etchant composition may include: a peroxosulfate; a cyclic amine compound; a first amphoteric compound including a carboxyl group; and a second amphoteric compound including a sulfone group, wherein the second amphoteric compound may be different from the first amphoteric compound.