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公开(公告)号:US20190197286A1
公开(公告)日:2019-06-27
申请号:US16047007
申请日:2018-07-27
发明人: Jeung Soo KIM , Tae Eun KIM , Youn Bum LEE , Young Kwang KIM , Tae Hun KIM , Sang Hyun LEE
CPC分类号: G06K9/0004 , H01L27/14678 , H01L27/3234 , H01L27/3244
摘要: A display device includes a substrate having a display region and a non-display region disposed at one side of the display region, the display region includes first and second areas adjacent to each other; a display unit disposed on a front surface of the substrate, the display unit including a plurality of pixels for displaying an image; a cushion layer disposed on a rear surface of the substrate, the cushion layer including a first opening portion corresponding to the first area; a fingerprint sensor provided in the first opening portion of the cushion layer, the fingerprint sensor sensing a fingerprint of a user; and a first light-blocking layer disposed on a rear surface of the substrate, the first light-blocking layer covering at least part of the cushion layer and a lower surface of the fingerprint sensor.
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公开(公告)号:US20220380668A1
公开(公告)日:2022-12-01
申请号:US17826064
申请日:2022-05-26
发明人: Jong Hee PARK , Hyoung Sik KIM , Sang Hyuk LEE , Yong Hoe KIM , Young Kwang KIM , Dong Ho KANG , Hyun-Cheol SHIN , Sung-Tae KIM , Dong Hun LEE , Min Hye LEE , Byung Su LEE , Ki Su JUNG
摘要: An etchant composition includes: an inorganic acid compound at 9.0 wt % to 9.9 wt %; an inorganic salt compound at 5.0 wt % to 10.0 wt %; an organic acid compound at 35 wt % to 45 wt %; a lactate-based compound at 10 wt % to 20 wt %; a nitrogen cyclic compound containing oxygen at 0.1 wt % to 1.0 wt %; and a remaining amount of water such that a total weight of the etchant composition is 100 wt %, wherein the inorganic acid compound is an etchant composition having an acid dissociation constant (pKa) value of −1.0 to −3.0.
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