公开(公告)号：US20240324367A1

公开(公告)日：2024-09-26

申请号：US18613027

申请日：2024-03-21

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun PARK ,  Mukyung JEON

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216

Abstract: A display device includes first and second subpixel circuits disposed adjacent to each other in a first direction and each including a driving transistor and a first capacitor, a first horizontal voltage line extending in the first direction and electrically connected to a semiconductor layer of a first transistor electrically connected to the driving transistor of the first subpixel circuit, a second horizontal voltage line extending in the first direction and electrically connected to a semiconductor layer of a second transistor electrically connected to the driving transistor of the second subpixel circuit electrically connected to a transistor, and a first signal line extending in the first direction and electrically connected to a gate electrode of the first transistor and a gate electrode of the second transistor, wherein the first horizontal voltage line and the second horizontal voltage line are disposed on different layers.

公开(公告)号：US20240274082A1

公开(公告)日：2024-08-15

申请号：US18643734

申请日：2024-04-23

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun PARK ,  Jangmi KANG ,  Hyeongseok KIM ,  Soil YOON ,  Minjae JEONG ,  Mukyung JEON

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/0247 ,  G09G2330/021

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 provides a gate signal to the pixel. The data driver provides a data voltage to the pixel. The emission driver provides an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element which applies a driving current to the light emitting element, a storage capacitor connected to a control electrode of the driving switching element and a bias capacitor including a first electrode connected to the storage capacitor and a second electrode which receives a bias gate signal. A waveform of the bias gate signal varies based on an off ratio representing a ratio of an off period of the emission signal in a frame period.

公开(公告)号：US20210327988A1

公开(公告)日：2021-10-21

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: H01L27/32

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：US20210193788A1

公开(公告)日：2021-06-24

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

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：US20210126080A1

公开(公告)日：2021-04-29

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: H01L27/32

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：US20190206316A1

公开(公告)日：2019-07-04

申请号：US16234327

申请日：2018-12-27

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun PARK ,  Cheol-Gon LEE ,  Yang-Hwa CHOI

IPC: G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2310/08

Abstract: A pixel circuit includes three transistors, a capacitor, and an OLED. The first transistor includes a gate terminal for receiving a first control signal, a first terminal connected to a first node, and a second terminal connected to a second node. The second transistor includes a gate terminal for receiving a second control signal, a first terminal connected to the second node, and a second terminal connected to a third node. The third transistor includes a gate terminal connected to the first node, a first terminal for receiving a first power signal, and a second terminal connected to the third node. The capacitor may receive an initialization signal and is connected to the first node. The OLED is connected to the third node and may receive a second power signal. The control signals have same voltage levels in a data writing period and have different voltage levels in other periods.

公开(公告)号：US20230200137A1

公开(公告)日：2023-06-22

申请号：US17953713

申请日：2022-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jangmi KANG ,  Hyeongseok KIM ,  Junhyun PARK ,  Minjae JEONG ,  Mukyung JEON

IPC: H01L27/32 ,  G09G3/3233

CPC classification number: H01L27/3265 ,  G09G3/3233 ,  H01L27/3248 ,  H01L27/3258 ,  H01L27/3262 ,  H01L27/3276 ,  G09G2310/08 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2330/028 ,  G09G2300/0426 ,  H01L27/1225

Abstract: A pixel of a display device includes a light emitting element, a first transistor, a second transistor, a first capacitor, and a second capacitor. A gate electrode of the first transistor is disposed under the first insulating layer, and the gate electrode of the first transistor defines the first electrode of the first capacitor. A first conductive pattern defining a second electrode of the first capacitor and a first electrode of the second capacitor is interposed between a first insulating layer and a second insulating layer. A second conductive pattern defining a second electrode of the second capacitor is interposed between the second insulating layer and a third insulating layer. A second electrode of the second transistor is electrically connected to the first conductive pattern.

公开(公告)号：US20220123098A1

公开(公告)日：2022-04-21

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: 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.

公开(公告)号：US20160180787A1

公开(公告)日：2016-06-23

申请号：US14860372

申请日：2015-09-21

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun PARK ,  Sunghwan KIM ,  Kyoungju SHIN ,  Chongchul CHAI

IPC: G09G3/36 ,  H03K17/687

CPC classification number: G09G3/20 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08 ,  G11C19/287

Abstract: A display device includes a display panel and a gate driving circuit. The display panel includes a pixel-transistor and the gate driving circuit includes a driving transistor. Input and output electrodes of the pixel-transistor are symmetrically disposed with respect to a control electrode of the pixel-transistor. Input and output electrodes of the driving transistor are asymmetrically disposed with respect to a control electrode of the driving transistor. At least one of the input electrode and the output electrode is not overlapped with the control electrode.

Abstract translation: 显示装置包括显示面板和栅极驱动电路。 显示面板包括像素晶体管，栅极驱动电路包括驱动晶体管。 像素晶体管的输入和输出电极相对于像素晶体管的控制电极对称地设置。 驱动晶体管的输入和输出电极相对于驱动晶体管的控制电极不对称地设置。 输入电极和输出电极中的至少一个不与控制电极重叠。

公开(公告)号：US20230165085A1

公开(公告)日：2023-05-25

申请号：US18089938

申请日：2022-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Kangmoon JO ,  Dongwoo KIM ,  Sungjae MOON ,  Junhyun PARK ,  Ansu LEE

IPC: H10K59/131 ,  G09G3/36 ,  H10K59/123 ,  H10K59/124 ,  H10K59/121

CPC classification number: H10K59/131 ,  G09G3/3688 ,  H10K59/123 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  G09G2300/0842 ,  G09G2310/0262 ,  H01L27/1214

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.