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公开(公告)号：US11610961B2
公开(公告)日：2023-03-21
申请号：US17092811
申请日：2020-11-09
发明人： Hyeon Bum Lee
摘要： A display device includes a transistor disposed on a substrate and including a gate electrode, a channel region, a source region, and a drain region; a first insulating layer disposed on the transistor; a drain electrode that electrically contacts the drain region through an opening formed in the first insulating layer; a connection electrode disposed on the drain electrode and electrically contacting the drain electrode; a second insulating layer disposed on the first insulating layer, an upper surface of the second insulating layer and an upper surface of the connection electrode forming a flat surface that is parallel to the substrate; a pixel electrode disposed on the flat surface and electrically contacting an upper surface of the connection electrode; an emission layer disposed on the pixel electrode; and a common electrode disposed on the emission layer.
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公开(公告)号：US11552132B2
公开(公告)日：2023-01-10
申请号：US17037603
申请日：2020-09-29
发明人： Hyeon Bum Lee , Beohm Rock Choi , Jun Hyuk Woo
摘要： A display device includes a base substrate having a main area, a sub-area, and a bending area. The main area includes pixels that each include a thin film transistor having a semiconductor layer, a gate electrode, a source electrode and a drain electrode. The display device includes a first insulating layer, a first conductive layer and a second insulating layer. The bending area includes a bending organic layer in a bending open portion. A second conductive layer is disposed on the second insulating layer and includes a source connection electrode. An encapsulation layer covers a light emitting element disposed on the second conductive layer for each of the pixels. A touch layer and a color filter layer are disposed on the encapsulation layer. The color filter layer includes a plurality of first color patterns overlapping the source connection electrode in the bending area that are separated from each other.
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公开(公告)号：US11362159B2
公开(公告)日：2022-06-14
申请号：US16714771
申请日：2019-12-15
发明人： Hyeon Bum Lee
摘要： A display device includes a display substrate including a flat main region including a plurality of pixels, a flat subsidiary region, and a bending region disposed between the flat main region and the flat subsidiary region; a first layer disposed on the display substrate, the first layer including a bending opening portion in the bending region exposing the bending region of the display substrate; a bending organic layer disposed on the bending region exposed by the bending opening portion of the first layer; a plurality of light-emitting elements disposed on the first layer in the pixels, respectively, wherein the plurality of light-emitting elements includes a plurality of color filters, respectively, and wherein the bending organic layer includes the same material as at least one of the color filters.
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公开(公告)号：US11056546B2
公开(公告)日：2021-07-06
申请号：US16428753
申请日：2019-05-31
发明人： Jin Whan Jung , Hyeon Bum Lee
摘要： A display device includes a display panel and a touch sensor on the display panel. The display panel includes: a base layer; a light emitting element having a first electrode on the base layer; a pixel defining layer including an opening region that exposes a portion of the first electrode of the light emitting element; and an encapsulation layer covering the light emitting element and the pixel defining layer. The touch sensor has: a first conductive pattern on the encapsulation layer; a color filter on the encapsulation layer to cover the first conductive pattern, the color filter including a first region including a lens part and overlaps the opening region of the pixel defining layer and a second region overlaps the pixel defining layer; a second conductive pattern on the second region of the color filter; and a black matrix on the second conductive pattern.
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公开(公告)号：US11925091B2
公开(公告)日：2024-03-05
申请号：US17147971
申请日：2021-01-13
发明人： Hyeon Bum Lee , Choong Youl Im , Ha Seok Jeon
IPC分类号： H10K59/38 , G06F3/041 , H10K50/86 , H10K59/124 , H10K59/131 , H10K59/40 , H10K71/00 , G06F3/044 , H10K59/12 , H10K59/35
CPC分类号： H10K59/38 , G06F3/0412 , H10K50/865 , H10K59/124 , H10K59/131 , H10K59/40 , H10K71/00 , G06F3/0443 , G06F3/0446 , G06F2203/04103 , G06F2203/04111 , H10K59/1201 , H10K59/35
摘要： A light emitting display device includes a substrate including a display area and a non-display area adjacent to the display area, a lower pad electrode disposed on the substrate in the non-display area, a lower planarization layer disposed on the lower pad electrode and including a via hole exposing an upper surface of the lower pad electrode, an upper pad electrode disposed on the lower pad electrode, the upper pad electrode being electrically connected to the lower pad electrode through the via hole, and a covering layer in contact with a side surface portion of the upper pad electrode, the side surface portion of the upper pad electrode being disposed on the lower planarization layer.
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公开(公告)号：US11502142B2
公开(公告)日：2022-11-15
申请号：US17321180
申请日：2021-05-14
发明人： Hyeon Bum Lee
摘要： A display device includes a substrate; a transistor on the substrate; a first electrode electrically connected to the transistor; a pixel defining layer on the first electrode, the pixel defining layer including a pixel opening overlapping the first electrode; an emission layer and a second electrode overlapping the first electrode; a touch electrode on the second electrode; a first low refraction layer and a second low refraction layer overlapping the touch electrode; and a high refraction layer on the second low refraction layer. The first low refraction layer includes a first opening. The second low refraction layer includes a second opening. The first opening, the second opening, and the pixel opening have different widths in a first diagonal direction.
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公开(公告)号：US10985229B2
公开(公告)日：2021-04-20
申请号：US16887420
申请日：2020-05-29
发明人： Hyeon Bum Lee , Hyoeng Ki Kim , Kyong Heon Lee , Dong Ki Lee , Eon Joo Lee , Jin Whan Jung
摘要： A display device including a substrate, a source electrode and a drain electrode on the substrate, the source electrode and the drain electrode being spaced apart from each other, a first layer on the source electrode or the drain electrode, a second layer directly on the first layer, and a first electrode on the second layer. A step difference between a top of the first layer and a top of the drain electrode is 100 Å or less.
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公开(公告)号：US10916592B2
公开(公告)日：2021-02-09
申请号：US16402307
申请日：2019-05-03
发明人： Eon Joo Lee , Hyoeng Ki Kim , Jun Hyuk Woo , Kwang Woo Park , Hyeon Bum Lee , Jin Whan Jung
摘要： An organic light-emitting diode display device includes a substrate having a plurality of pixels; first electrodes disposed on the substrate, each of which is connected to a respective one of the pixels; organic emissive layers disposed on the first electrodes; a second electrode disposed on the organic emissive layers; a touch sensing unit disposed on the second electrode; and color filters disposed on the touch sensing unit, each of which is disposed above a respective one of the pixels.
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公开(公告)号：US11825685B2
公开(公告)日：2023-11-21
申请号：US17165855
申请日：2021-02-02
发明人： Hyeon Bum Lee
IPC分类号： H10K50/844 , H10K50/86 , H10K59/38 , H10K59/122 , H10K59/131
CPC分类号： H10K50/844 , H10K50/865 , H10K59/122 , H10K59/131 , H10K59/38
摘要： A display device includes a first layer having a display area including pixels and a non-display area surrounding the display area; a second layer disposed on the first layer and including an intermediate inorganic film and an intermediate organic film; a third layer disposed on the second layer and including display elements; a first dam structure disposed outside an edge of the intermediate organic film and extending along the edge of the intermediate organic film; a fourth layer including first and second encapsulation inorganic films; a fifth layer in disposed on the fourth layer; a sixth layer disposed on the fifth layer and including a light blocking layer, a plurality of color filters, and a seventh layer covering the light blocking layer and the plurality of color filters; and a second dam structure disposed on the non-display area and defining a boundary of the seventh layer.
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公开(公告)号：US11824066B2
公开(公告)日：2023-11-21
申请号：US17138018
申请日：2020-12-30
发明人： Hyeon Bum Lee
CPC分类号： H01L27/1248 , G06F3/0412
摘要： A display device may include a source electrode disposed on a substrate; a drain electrode disposed on the substrate; an insulating layer disposed on the source electrode and the drain electrode, the insulating layer including an opening overlapping the drain electrode; and a first electrode disposed on the insulating layer and electrically contacting the drain electrode in the opening of the insulating layer, wherein an angle between a side surface of the opening of the insulating layer and a plane parallel to the substrate is in a range of about 70 degrees to about 85 degrees.
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