公开(公告)号：US11882738B2

公开(公告)日：2024-01-23

申请号：US17567254

申请日：2022-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Ansu Lee ,  Dongwoo Kim ,  Sungjae Moon ,  Kangmoon Jo

IPC: H10K59/131 ,  H10K50/844 ,  H10K50/842 ,  H10K59/38

CPC classification number: H10K59/131 ,  H10K50/844 ,  H10K50/8426 ,  H10K59/38

Abstract: A display device that includes a substrate having a display area configured for displaying an image and a peripheral area positioned outside of the display area. A first thin film transistor is disposed on the display area. A display element is electrically connected to the first thin film transistor. The display element includes a pixel electrode, an intermediate layer, and an opposite electrode. An embedded driving circuit portion is disposed on the peripheral area. The embedded driving circuit portion includes a second thin film transistor. A common voltage supply line is disposed on the peripheral area. The common voltage supply line is positioned closer to the display area than the embedded driving circuit portion. The common voltage supply line is electrically connected to the opposite electrode.

公开(公告)号：US11864441B2

公开(公告)日：2024-01-02

申请号：US17331170

申请日：2021-05-26

Applicant: Samsung Display Co., LTD.

Inventor： Dongwoo Kim ,  Mun-Soo Park ,  Jonghwan Park

IPC: H10K59/18 ,  H10K50/86 ,  H10K59/38 ,  H10K71/00

CPC classification number: H10K59/18 ,  H10K50/865 ,  H10K59/38 ,  H10K71/00

Abstract: A tiled display device includes a first display panel including a first display area and a first non-display area adjacent to the first display area, and a second display panel including a second display area and a second non-display area between the second display area and the first non-display area. The first display panel includes a first lower substrate, emitting diodes disposed on the first lower substrate and overlapping the first display area, a first upper substrate including a lower surface facing the first lower substrate, a first black matrix pattern disposed on the lower surface of the first upper substrate and overlapping the first non-display area, and a first photochromic matrix pattern disposed on the lower surface of the first upper substrate, overlapping the first non-display area, and transmitting light.

公开(公告)号：US11693172B2

公开(公告)日：2023-07-04

申请号：US16970839

申请日：2018-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hongbeom Lee ,  Yeogeon Yoon ,  Tae Woo Lim ,  Jangsoo Kim ,  Dongwoo Kim ,  Min Su Kim ,  Keunwoo Park ,  Seongyeon Lee

IPC: F21V8/00 ,  B23K26/402

CPC classification number: G02B6/0053 ,  B23K26/402 ,  G02B6/005 ,  G02B6/0086

Abstract: A display apparatus includes a light source, a display panel, a light guide member, and an optical member. The light source is configured to generate light. The display panel is configured to display an image. The light guide member includes at least one surface adjacent to the light source. The optical member is between the light guide member and the display panel. The optical member includes a low refractive layer, a first cover layer, and a light conversion layer. The low refractive layer is on a light output surface of the light guide member and includes side surfaces. The first cover layer is on the low refractive layer and surrounds at least a portion of the side surfaces of the low refractive layer. The light conversion layer is on the first cover layer and is configured to covert a wavelength band of incident light.

公开(公告)号：US11574590B2

公开(公告)日：2023-02-07

申请号：US17695588

申请日：2022-03-15

Applicant: Samsung Display Co., Ltd. ,  Konkuk University Industrial Cooperation Corp.

Inventor： Dongwoo Kim ,  Joon Ho Lee ,  Kee Chan Park ,  Minkyu Woo ,  Chongchul Chai

IPC: G09G3/3225

Abstract: A display apparatus is disclosed, which includes a pixel. The pixel includes first through fifth transistors and a light emitting element. The first transistor includes a control electrode electrically connected to a first node, an input electrode that receives a first power voltage and an output electrode electrically connected to the light emitting element. The second transistor includes a control electrode that receives a scan signal, an input electrode that receives a grayscale data voltage and an output electrode electrically connected to a second node. The third transistor includes a control electrode electrically connected to the second node, an input electrode that receives a reference voltage and an output electrode electrically connected to the first node. The fourth transistor includes a control electrode that receives the scan signal, an input electrode that receives a bias data voltage and an output electrode electrically connected to the first node. The fifth transistor includes a control electrode that receives a sensing control signal, an input electrode that receives an initialization voltage and an output electrode electrically connected to the light emitting element.

公开(公告)号：US11430850B2

公开(公告)日：2022-08-30

申请号：US16749617

申请日：2020-01-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Kim ,  Junhyun Park ,  Sungjae Moon ,  Kangmoon Jo

IPC: H01L27/32 ,  G09G3/3266

Abstract: A display apparatus includes a first signal line and a second signal line that each extend on a substrate in a first direction and are spaced apart in a second direction that crosses the first direction; a plurality of first metal patterns spaced apart from each other in the first direction, wherein at least a portion of the first metal patterns overlaps the first signal line and is electrically connected to the first signal line; and a plurality of second metal patterns spaced apart from each other in the first direction, wherein at least a portion of the second metal patterns overlaps the second signal line and is electrically connected to the second signal line, wherein the plurality of first metal patterns and the plurality of second metal patterns are spaced apart in the first direction in a zigzag arrangement.

公开(公告)号：US11348522B2

公开(公告)日：2022-05-31

申请号：US17125732

申请日：2020-12-17

Applicant: Samsung Display Co., Ltd.

Inventor： Keunwoo Kim ,  Sooyoung Park ,  Joonghyun Park ,  Dongwoo Kim ,  Kyoung-Ju Shin

IPC: G09G3/30 ,  G09G3/3233 ,  G09G3/3283 ,  H05B45/60

Abstract: A display device includes: pixels to emit light of various intensity in accordance with driving signals; data lines to communicate the driving signals to the pixels; scan lines to communicate scan signals to select at least one of the pixels to receive the driving signals; a first power supply to supply at least one driving voltage to the pixels; and a second power supply including an initial voltage terminal to supply an initial voltage to the pixels. The at least one pixel includes: a driving transistor connected between the first power supply and an anode electrode of an organic light emitting diode, a third transistor including an oxide transistor, the third transistor having a first electrode connected to the initial voltage terminal, a second electrode connected to the anode electrode, and first and second gate electrodes, each of which is connected to one of the scan lines, and a fourth transistor including a poly-silicon transistor, the fourth transistor having a first electrode connected to the first power supply, and a second electrode connected to a second electrode of the driving transistor.

公开(公告)号：US11283054B2

公开(公告)日：2022-03-22

申请号：US16793394

申请日：2020-02-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sungjae Moon ,  Dongwoo Kim ,  Junhyun Park ,  Kangmoon Jo

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes a first substrate including a display area and a peripheral area outside the display area, pixels arranged in the display area and each including an emission area defined by a non-emission area, a thin-film encapsulation layer covering the pixels and including at least one inorganic encapsulation layer and at least one organic encapsulation layer, a pattern layer above the thin-film encapsulation layer, the pattern layer including a first light-blocking pattern shielding at least a portion of the non-emission area, and a second substrate facing the first substrate and including a second light-blocking pattern shielding at least a portion of the non-emission area.

公开(公告)号：US11030953B2

公开(公告)日：2021-06-08

申请号：US16869789

申请日：2020-05-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Kim ,  Sunghwan Kim ,  Kyoungju Shin ,  Cheol-gon Lee ,  Sang-uk Lim

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12 ,  H01L29/786

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US10943970B2

公开(公告)日：2021-03-09

申请号：US16595830

申请日：2019-10-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kangmoon Jo ,  Dongwoo Kim ,  Sungjae Moon ,  Junhyun Park ,  Ansu Lee

IPC: H01L27/32 ,  G09G3/36 ,  H01L27/12

Abstract: There is provided a display device. The display device includes a first data line on a first interlayer insulating layer over a substrate, a first power line and a second power line on a second interlayer insulating layer, the second interlayer insulating layer covering the first data line, and a plurality of pixels. A first pixel among the plurality of pixels includes a display element including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode, the second power line being connected to the opposite electrode, and a driving thin film transistor between the substrate and the display element and including a driving semiconductor layer, a driving gate electrode, a driving source electrode, and a driving drain electrode, the first interlayer insulating layer covering the driving gate electrode, and the first power line being connected to the driving source electrode.

公开(公告)号：US20200219960A1

公开(公告)日：2020-07-09

申请号：US16717171

申请日：2019-12-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Dongwoo Kim ,  Sungjae Moon ,  Kangmoon Jo

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a base substrate that includes a display area in which pixels are formed and a peripheral area that is a non-display area that surrounds the display area, a first conductive pattern layer disposed on the base substrate, a first insulating layer disposed on the first conductive pattern layer, a second conductive pattern layer disposed on the first insulating layer, a second insulating layer disposed on the second conductive pattern layer, and a third conductive pattern layer disposed on the second insulating layer. The peripheral area includes a first wiring area and a circuit area.