公开(公告)号：US11942032B2

公开(公告)日：2024-03-26

申请号：US17547560

申请日：2021-12-10

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G06F3/038 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

CPC classification number: G09G3/3233 ,  G09G3/2085 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3655 ,  G09G3/3677 ,  G09G3/3688

Abstract: A display apparatus includes a first transistor including a semiconductor layer, a first electrode and a second electrode, the first electrode and the second electrode respectively electrically connected to a source area and a drain area of the semiconductor layer, and a first gate electrode and a second gate electrode corresponding to a channel area of the semiconductor layer and facing each other, and a capacitor including a first capacitor electrode, a second capacitor electrode above the first capacitor electrode, and a third capacitor electrode below the first capacitor electrode.

公开(公告)号：US11908396B2

公开(公告)日：2024-02-20

申请号：US18123847

申请日：2023-03-20

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park ,  Jangmi Kang ,  Minjae Jeong

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/08

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver is configured to provide a gate signal to the pixel. The data driver is configured to provide a data voltage to the pixel. The emission driver is configured to provide an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element and a bias switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is configured to provide a bias voltage to an input electrode of the driving switching element. A frequency of a bias gate signal applied to a control electrode of the bias switching element is greater than a frequency of a data write gate signal applied to the pixel.

公开(公告)号：US11800754B2

公开(公告)日：2023-10-24

申请号：US16596877

申请日：2019-10-09

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/127 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/131 ,  H10K59/121

CPC classification number: H10K59/127 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0426

Abstract: A display apparatus having an opening ratio that provides a high resolution and improved luminous quality and including: a substrate; a first driving thin-film transistor (TFT) and a first storage capacitor, the first storage capacitor for emitting light of a first color and on the substrate; a data wiring unit including a first data line, a second data line, and a third data line, at a first side of the first storage capacitor, extending along a first direction and spaced apart from one another along a second direction, intersecting the first direction, by a predetermined distance; a driving voltage line at a second side of the first storage capacitor and extending along the first direction; and a first pixel electrode electrically connected to the first driving TFT.

公开(公告)号：US11756480B2

公开(公告)日：2023-09-12

申请号：US17674107

申请日：2022-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： Minjae Jeong ,  Jangmi Kang ,  Hyeongseok Kim ,  Junhyun Park ,  Mukyung Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/061

Abstract: A pixel of a display device includes a first transistor including a top gate coupled to a first node, a first terminal, a second terminal coupled to a second node, and a bottom gate, a second transistor including a gate coupled to a writing signal line, a first terminal coupled to a data line, and a second terminal coupled to the first node, a storage capacitor coupled between the first node and the second node, a light emitting element coupled between the second node and a second power supply voltage line, and a seventh transistor including a gate coupled to an initialization signal line, a first terminal coupled to a bias voltage line, and a second terminal coupled to the bottom gate.

公开(公告)号：US11706957B2

公开(公告)日：2023-07-18

申请号：US17028152

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongseok Kim ,  Youngwan Seo ,  Junhyun Park ,  Yujin Lee ,  Cheol-Gon Lee

IPC: H10K59/131 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/35

Abstract: A display panel includes a first display area and a second display area. The display panel includes a plurality of first pixel groups in the first display area, a plurality of second pixel groups in the second display area, and a plurality of scan lines connected to the first and second pixel groups. The second display area includes a plurality of light emitting areas in which the second pixel groups are respectively disposed, and a plurality of open areas in which the second pixel groups are not disposed. One of a second pixel group of an n-th row is cut and does not overlap an adjacent open area of the n-th row, and is connected in the second display area to a scan line of a second pixel group of an (n−1)-th row or a scan line of a second pixel group of an (n+1)-th row.

公开(公告)号：US11653549B2

公开(公告)日：2023-05-16

申请号：US17170313

申请日：2021-02-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Sunkwang Kim ,  Kangmoon Jo

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

CPC classification number: H01L27/3223 ,  H01L27/3246 ,  H01L51/0096 ,  H01L51/5253

Abstract: A display device includes a substrate, a first insulating layer disposed on the substrate, a through portion passing through the substrate and the first insulating layer, a display unit disposed on the first insulating layer and including a plurality of pixels surrounding at least a portion of the through portion, and a dummy pixel unit. Each pixel includes a light-emitting element including a pixel electrode and an opposite electrode facing each other, and an emission layer disposed between the pixel electrode and the opposite electrode. The dummy pixel unit includes a plurality of dummy pixels disposed between the through portion and the display unit, and including a metal pattern including a same material as the pixel electrode. The dummy pixels are disposed adjacent to the display unit.

公开(公告)号：US11610538B2

公开(公告)日：2023-03-21

申请号：US17540075

申请日：2021-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park ,  Jangmi Kang ,  Minjae Jeong

IPC: G09G3/32

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver is configured to provide a gate signal to the pixel. The data driver is configured to provide a data voltage to the pixel. The emission driver is configured to provide an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element and a bias switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is configured to provide a bias voltage to an input electrode of the driving switching element. A frequency of a bias gate signal applied to a control electrode of the bias switching element is greater than a frequency of a data write gate signal applied to the pixel.

公开(公告)号：US11581382B2

公开(公告)日：2023-02-14

申请号：US17088049

申请日：2020-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park ,  Minjae Jeong ,  Junki Jeong ,  Jaehyung Cho ,  Seonyoung Choi

IPC: H01L29/12 ,  H01L27/32 ,  G09G3/3233

Abstract: A display device includes a scan line extending in a direction, a data line and a driving voltage line extending in another direction, a transistor electrically connected to the driving voltage line and including a first gate electrode and a first semiconductor layer, a second transistor electrically connected to the scan and data lines and including a second gate electrode and a second semiconductor layer, a first capacitor electrically connected to the first transistor and including first and second capacitor plates, and a second capacitor including a third capacitor plate electrically connected to the first transistor and a fourth capacitor plate electrically connected to the second transistor. The second capacitor plate includes a first hole overlapping the first capacitor plate, the fourth capacitor plate includes a second hole overlapping the third capacitor plate, and a size of the second hole is different from that of the first hole.

公开(公告)号：US11276747B2

公开(公告)日：2022-03-15

申请号：US17194921

申请日：2021-03-08

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：US11239304B2

公开(公告)日：2022-02-01

申请号：US16711989

申请日：2019-12-12

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/32 ,  H01L51/52

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.