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121.发明授权公开(公告)号：US11552279B2
公开(公告)日：2023-01-10
申请号：US16900294
申请日：2020-06-12
发明人： Tae Sung Kim , Hyun Min Cho , Yun Jong Yeo
摘要： A display device includes: a first substrate; a barrier layer on the first substrate; an optical pattern layer on the barrier layer, and including a light blocking pattern, and a plurality of light transmitting patterns penetrating the light blocking pattern in a first direction; a first thin film transistor layer on the optical pattern layer; a light emitting element layer on the first thin film transistor layer; and a fingerprint sensor layer underneath the first substrate to receive light reflected from an external object.
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公开(公告)号：US11502144B2
公开(公告)日：2022-11-15
申请号：US16838956
申请日：2020-04-02
发明人： Hyun Min Cho , Tae Wook Kang , Tae Sung Kim , Dae Won Choi , Sang Gab Kim
摘要： A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.
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123.发明授权公开(公告)号：US11430912B2
公开(公告)日：2022-08-30
申请号：US17110574
申请日：2020-12-03
发明人： Jung Hong Min , Dae Hyun Kim , Seung A Lee , Hyun Min Cho , Jong Hyuk Kang , Dong Uk Kim , Hyun Deok Im , Hyung Rae Cha
IPC分类号： H01L33/00 , H01L27/15 , H01L33/32 , H01L21/302
摘要： A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.
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公开(公告)号：US11373587B2
公开(公告)日：2022-06-28
申请号：US17284337
申请日：2019-04-11
发明人： Jin Oh Kwag , Won Sik Oh , Keun Kyu Song , Sung-Chan Jo , Hyun Min Cho
摘要： A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.
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公开(公告)号：US11127807B2
公开(公告)日：2021-09-21
申请号：US16521394
申请日：2019-07-24
发明人： Sang Gab Kim , Hyun Min Cho , Tae Sung Kim , Yu-Gwang Jeong , Su Bin Bae , Jin Seock Kim , Sang Gyun Kim , Hyo Min Ko , Kil Won Cho , Hansol Lee
摘要： An manufacturing method of a display device may include the following steps: forming a transistor on a substrate; forming an insulating layer on the transistor; forming a conductive layer including silver on the insulating layer; forming a photosensitive member on the conductive layer; forming an electrode of a light-emitting element by etching the conductive layer; performing plasma treatment on a structure that comprises the electrode, the plasma treatment using a gas including a halogen; and removing a product that is resulted from the plasma treatment.
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公开(公告)号：US11074858B2
公开(公告)日：2021-07-27
申请号：US16214786
申请日：2018-12-10
发明人： Hyun Min Cho , Sung Chul Kim , Dae Hyun Kim , Hye Yong Chu , Jong Hyuk Kang , Keun Kyu Song , Joo Yeol Lee , Bek Hyun Lim , Hyun Deok Im
IPC分类号： G09G3/3233 , H01L33/20 , H01L33/00 , H01L33/44 , H01L33/52 , H01L33/38 , H01L25/075 , H01L25/16 , H05B45/40 , H01L33/62
摘要： A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
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公开(公告)号：US10910232B2
公开(公告)日：2021-02-02
申请号：US16106739
申请日：2018-08-21
发明人： Sang Gab Kim , MunPyo Hong , Hyun Min Cho , Seong Yong Kwon , Ho Won Yoon
IPC分类号： H01L21/3213 , C23F3/04 , H01L21/441 , H01L21/3105 , H01L21/02 , H05K3/06 , H01L23/532 , H01L29/786 , H01L29/49 , H01L21/311 , H01J37/00 , C23F4/00
摘要： A copper plasma etching method according an exemplary embodiment includes: placing a substrate on a susceptor in a process chamber of a plasma etching apparatus; supplying an etching gas that include hydrogen chloride into the process chamber; plasma-etching a conductor layer that include copper in the substrate; and maintaining a temperature of the susceptor at 10° C. or less during the plasma-etching.
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公开(公告)号：US10908453B2
公开(公告)日：2021-02-02
申请号：US15399361
申请日：2017-01-05
发明人： Kang Soo Han , Yun Jong Yeo , Dong Uk Kim , Hyun Min Cho , Hyung Bin Cho , Ji Hun Kim , Sung Won Cho , Young Min Kim , Hae Il Park , Seung Jin Baek , Dae Young Lee , Kun Hee Jo , Gug Rae Jo
IPC分类号： G02F1/1335 , G02F1/13357
摘要： A display device includes a first substrate, a first wavelength conversion layer and a second wavelength conversion layer disposed on the first substrate and spaced apart from each other, and a polarization layer disposed on the first wavelength conversion layer and the second wavelength conversion layer, the polarization layer including a reflection portion and a transmitting portion, in which the reflection portion overlaps a gap formed between the first wavelength conversion layer and the second wavelength conversion layer.
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公开(公告)号：US10811478B2
公开(公告)日：2020-10-20
申请号：US16374706
申请日：2019-04-03
发明人： Dae Won Choi , Tae Wook Kang , Kyeong Su Ko , Sang Gab Kim , Tae Sung Kim , Joon Geol Lee , Hyun Min Cho
摘要： An organic light-emitting diode display device includes a pixel electrode, a pixel-defining layer, an organic emission layer, and a counter electrode. The pixel-defining layer includes an opening partially exposing the pixel electrode. The organic emission layer is disposed on the pixel electrode. The organic emission layer is disposed in the opening. The counter electrode is disposed on the organic emission layer. The counter electrode opposes the pixel electrode. The pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer. The first pixel-defining layer is disposed on the pixel electrode and includes an inorganic material. The second pixel-defining layer is disposed on the first pixel-defining layer and includes an organic material. A sidewall of the first pixel-defining layer that is closest to the opening is aligned with a sidewall of the second pixel-defining layer that is closest to the opening.
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公开(公告)号：US10748943B2
公开(公告)日：2020-08-18
申请号：US16124356
申请日：2018-09-07
发明人： Hyun Min Cho , Shin Il Choi , Kyeong Su Ko , Sang Gab Kim , Joon Geol Lee
IPC分类号： H01L27/12 , H01L29/45 , H01L29/786 , H01L21/3213 , H01L51/50
摘要： A display device includes: a substrate; first and second transistors provided on the substrate to be spaced apart from each other, the first and second transistors being electrically connected to each other; and a display unit electrically connected to the first transistor, wherein the first transistor includes a first semiconductor layer including crystalline silicon, a first gate electrode, a first source electrode, and a first drain electrode, wherein the second transistor includes a second semiconductor layer including an oxide semiconductor, a second gate electrode, a second source electrode, and a second drain electrode, wherein each of the second source electrode and the second drain electrode includes a first layer that includes molybdenum and is provided on the second semiconductor layer, a second layer that includes aluminum and is provided on the first layer, and a third layer that includes titanium and is provided on the second layer.
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