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1. 发明授权

US11610961B2 Display device having a flat plate-shaped pixel electrode for improving contrast and method of manufacturing display device 有权
公开(公告)号：US11610961B2
公开(公告)日：2023-03-21
申请号：US17092811
申请日：2020-11-09
申请人： Samsung Display Co., LTD.
发明人： Hyeon Bum Lee
IPC分类号： H01L27/32 , H01L51/56
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.

2. 发明授权

US11552132B2 Display device and method of manufacturing the same 有权
公开(公告)号：US11552132B2
公开(公告)日：2023-01-10
申请号：US17037603
申请日：2020-09-29
申请人： SAMSUNG DISPLAY CO., LTD.
发明人： Hyeon Bum Lee , Beohm Rock Choi , Jun Hyuk Woo
IPC分类号： H01L27/32 , H01L51/56 , G06F3/041 , G06F3/044 , H01L51/00
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.

3. 发明授权

US11362159B2 Display device having a bending region 有权
公开(公告)号：US11362159B2
公开(公告)日：2022-06-14
申请号：US16714771
申请日：2019-12-15
申请人： Samsung Display Co., Ltd.
发明人： Hyeon Bum Lee
IPC分类号： H01L27/32 , H01L51/00 , H01L51/52 , G02F1/133 , H01L33/12 , G02F1/1335
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.

4. 发明授权

US11056546B2 Display device and method of manufacturing display device 有权
公开(公告)号：US11056546B2
公开(公告)日：2021-07-06
申请号：US16428753
申请日：2019-05-31
申请人： Samsung Display Co., Ltd.
发明人： Jin Whan Jung , Hyeon Bum Lee
IPC分类号： H01L27/32 , H01L51/52 , G06F3/041 , H01L51/56 , G06F3/044
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.

5. 发明授权

US11825685B2 Display device 有权
公开(公告)号：US11825685B2
公开(公告)日：2023-11-21
申请号：US17165855
申请日：2021-02-02
申请人： Samsung Display Co., Ltd.
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.

6. 发明授权

US11824066B2 Display device and manufacturing method thereof 有权
公开(公告)号：US11824066B2
公开(公告)日：2023-11-21
申请号：US17138018
申请日：2020-12-30
申请人： Samsung Display Co., LTD.
发明人： Hyeon Bum Lee
IPC分类号： H01L27/12 , G06F3/041
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.

7. 发明授权

US11121187B2 Organic light emitting diode display 有权
公开(公告)号：US11121187B2
公开(公告)日：2021-09-14
申请号：US16383506
申请日：2019-04-12
申请人： Samsung Display Co., Ltd.
发明人： Hyeon Bum Lee , Jin Ho Ju
IPC分类号： H01L27/32 , H01L51/00 , G06F3/041 , G06F3/044
摘要： An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the color filter is greater in the edge area than in the center area.

8. 发明授权

US11042237B2 Display device 有权
公开(公告)号：US11042237B2
公开(公告)日：2021-06-22
申请号：US16715768
申请日：2019-12-16
申请人： SAMSUNG DISPLAY CO., LTD.
发明人： Hyeon Bum Lee , Jin Whan Jung
IPC分类号： G06F3/041 , H01L27/32 , H01L51/52
摘要： A display device that includes a substrate and a bank layer disposed on the substrate. The bank layer defines an emission area and a non-emission area of a pixel. A spacer is disposed on a portion of the bank layer. A touch member is disposed above the spacer. At least one overcoat layer is disposed on the touch member. A dielectric constant of the at least one overcoat layer in a region overlapping the spacer in a thickness direction of the substrate is larger than a dielectric constant of the overcoat layer in a region that does not overlap the spacer in the thickness direction of the substrate.

9. 发明授权

US12048222B2 Organic light emitting diode display 有权
公开(公告)号：US12048222B2
公开(公告)日：2024-07-23
申请号：US18201088
申请日：2023-05-23
申请人： Samsung Display Co., Ltd.
发明人： Hyeon Bum Lee , Jin Ho Ju
IPC分类号： H10K59/38 , G06F3/041 , G06F3/044 , H10K59/12 , H10K59/40 , H10K77/10 , H10K102/00
CPC分类号： H10K59/38 , G06F3/0412 , G06F3/0416 , G06F3/044 , H10K59/12 , H10K59/40 , H10K77/111 , H10K2102/00 , H10K2102/311
摘要： An OLED display according to an exemplary embodiment includes: a substrate that includes a display area and a non-display area; a pixel circuit that is disposed in the display area; organic light emitting diodes and barrier ribs that are disposed on the pixel circuit; an encapsulation layer that covers the pixel circuit, the organic light emitting diodes, and the barrier ribs; and a color filter that is disposed on the encapsulation layer, wherein the encapsulation layer comprises an edge area that is adjacent to the non-display area in the display area and a center area not directly adjacent to the non-display area and having the edge area disposed therebetween, the color filter comprises a first color filter, a second color filter, a third color filter, and color filter overlapped portions where the first color filter, the second color filter, and the third color filter are overlapped, and the color filter overlapped portions are disposed in areas where the barrier ribs are disposed, and a thickness of the color filter is greater in the edge area than in the center area.

10. 发明授权

US11925094B2 Display device 有权
公开(公告)号：US11925094B2
公开(公告)日：2024-03-05
申请号：US17444453
申请日：2021-08-04
申请人： Samsung Display Co., Ltd.
发明人： Hyeon Bum Lee , Won Hak Choi , Kang Wook Heo
IPC分类号： G06F3/041 , G06F3/044 , H10K50/842 , H10K50/86 , H10K59/38 , H10K59/40
CPC分类号： H10K59/40 , G06F3/0412 , G06F3/0443 , H10K50/8426 , H10K50/865 , H10K59/38
摘要： Some embodiments provide a display device including a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area, a transistor and a light emitting element on the substrate, an encapsulation layer on the light emitting element, a first touch insulating layer on the encapsulation layer, an overcoat layer on the first touch insulating layer, and defining a first opening, and a cover layer filling the first opening, wherein at least one of the overcoat layer and the cover layer extends from the display area to the peripheral area, and wherein the substrate includes a depression pattern that is filled by the overcoat layer or the cover layer.

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