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公开(公告)号：US20190322935A1
公开(公告)日：2019-10-24
申请号：US16391222
申请日：2019-04-22
发明人： Jong Hee PARK , Ki Tae KIM , Jin Seock KIM , Gyu-Po KIM , Hyun-Cheol SHIN , Dae-Woo LEE , Sang-Hyuk LEE
摘要： An etchant composition is presented. The composition includes: 18 wt % to 25 wt % of a first organic acid compound; 15 wt % to 20 wt % of a second organic acid compound; 8.1 wt % to 9.9 wt % of an inorganic acid compound; 1 wt % to 4.9 wt % of a sulfonic acid compound; 10 wt % to 20 wt % of a hydrogen sulfate salt compound; 1 wt % to 5 wt % of a nitrogen-containing dicarbonyl compound; 1 wt % to 5 wt % of an amino acid derivative compound; 0.1 wt % to 2 wt % of an iron-containing oxidizing agent compound; and a balance amount of water.
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公开(公告)号：US20230292550A1
公开(公告)日：2023-09-14
申请号：US17975809
申请日：2022-10-28
发明人： Hyoung Sik KIM , Jong Hee PARK , Hong Sick PARK , Woo Jin CHO
CPC分类号： H01L27/3262 , H01L27/3223 , H01L27/3276 , H01L51/56 , H01L27/124 , H01L2227/323
摘要： A display device includes: a substrate; a thin-film transistor disposed on the substrate and including a semiconductor layer; an interlayer insulating layer disposed on the thin-film transistor; a data conductive layer disposed on the interlayer insulating layer and including an auxiliary electrode and a transistor electrode connected to the semiconductor layer of the thin-film transistor, a via layer disposed on the data conductive layer; a pixel electrode layer disposed on the via layer and including: a pixel electrode and a dummy pixel electrode separated from the pixel electrode; an intermediate layer disposed on the pixel electrode layer; and a common electrode disposed on the intermediate layer. The auxiliary electrode includes a main conductive layer and an upper sub-conductive layer. Side surfaces of the main conductive layer of the auxiliary electrode are disposed inner than side surfaces of the upper sub-conductive layer of the auxiliary electrode.
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公开(公告)号：US20230048617A1
公开(公告)日：2023-02-16
申请号：US17715377
申请日：2022-04-07
发明人： Jun Gi KIM , Jeong Won KIM , Tae Wook KANG , Jong Hee PARK , Hyun Eok SHIN
IPC分类号： H01L27/32
摘要： A display device is provided. The display device comprises a substrate, at least one thin-film transistor disposed on the substrate, a planarization layer disposed on the thin-film transistor, a first metal layer disposed on the planarization layer and connected to the thin-film transistor, a first electrode disposed on the first metal layer, partitioning walls disposed on the planarization layer and spaced apart from the first electrode, wherein each of the partitioning walls includes a second metal layer and a first conductive layer, a pixel defining layer disposed on the first electrode and the partitioning walls, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein the second metal layer is disposed under the first conductive layer and has an undercut beneath the first conductive layer, wherein at least portion of the organic layer is discontinuous between the partitioning walls.
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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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公开(公告)号：US20220199936A1
公开(公告)日：2022-06-23
申请号：US17556799
申请日：2021-12-20
发明人： Jong Hee PARK , Hyoung Sik KIM
摘要： An embodiment of a display device comprises a base substrate; an anode electrode disposed on the base substrate; a cathode electrode facing the anode electrode; and an organic light emitting layer disposed between the anode electrode and the cathode electrode, wherein the anode electrode includes: a first anode electrode disposed between the base substrate and the organic light emitting layer, a second anode electrode disposed between the first anode electrode and the organic light emitting layer, and a third anode electrode disposed between the second anode electrode and the organic light emitting layer, wherein a width of the first anode electrode is equal to or greater than a width of the second anode electrode.
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公开(公告)号：US20200248318A1
公开(公告)日：2020-08-06
申请号：US16854342
申请日：2020-04-21
发明人： Jong Hee PARK , Jin Seock KIM , Bong Won LEE , Sang-woo KIM , Il-Ryong PARK , Bong-Yeon WON , Dae-woo LEE
IPC分类号： C23F1/30 , H01L27/12 , H05K3/06 , C23F1/02 , H01L21/3213
摘要： A phosphoric acid-free etchant composition and a method of forming a wiring, the composition including about 40 wt % to about 60 wt % of an organic acid compound; about 6 wt % to about 12 wt % of a glycol compound; about 1 wt % to about 10 wt % of nitric acid, sulfuric acid, or hydrochloric acid; about 1 wt % to about 10 wt % of a nitrate salt compound; and water, all wt % being based on a total weight of the phosphoric acid-free etchant composition.
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公开(公告)号：US20180371625A1
公开(公告)日：2018-12-27
申请号：US15970980
申请日：2018-05-04
发明人： Jong Hee PARK , Jin Seock KIM , Bong Won LEE , Sang-woo KIM , Il-Ryong PARK , Bong-Yeon WON , Dae-woo LEE
IPC分类号： C23F1/30 , C23F1/02 , H01L21/3213
摘要： A phosphoric acid-free etchant composition and a method of forming a wiring, the composition including about 40 wt % to about 60 wt % of an organic acid compound; about 6 wt % to about 12 wt % of a glycol compound; about 1 wt % to about 10 wt % of nitric acid, sulfuric acid, or hydrochloric acid; about 1 wt % to about 10 wt % of a nitrate salt compound; and water, all wt % being based on a total weight of the phosphoric acid-free etchant composition.
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