公开(公告)号：US11501714B2

公开(公告)日：2022-11-15

申请号：US16944477

申请日：2020-07-31

Applicant: Samsung Display Co., Ltd.

Inventor： Hyung Jun Park ,  Yang Wan Kim ,  Byung Sun Kim ,  Su Jin Lee ,  Jae Yong Lee

IPC: G06F3/01 ,  G06F3/041 ,  G01S13/06 ,  G06F3/0488 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/20

Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.

公开(公告)号：US11482176B2

公开(公告)日：2022-10-25

申请号：US15406927

申请日：2017-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung Sun Kim ,  Sun Ja Kwon ,  Yang Wan Kim ,  Hyun Ae Park ,  Su Jin Lee ,  Jae Yong Lee

IPC: G09G3/3266 ,  G09G3/3208 ,  G09G3/00 ,  G09G3/3233

Abstract: A display device includes a substrate including a first pixel area and a second pixel area, wherein the second pixel area is located at a side of the first pixel area, first pixels located in the first pixel area and connected to first scan lines, and second pixels located in the second pixel area and connected to second scan lines, wherein the first pixels and the second pixels include pixel rows extending in a first direction, and at least one of the second scan lines is inclined with respect to the first direction.

公开(公告)号：US11476319B2

公开(公告)日：2022-10-18

申请号：US17238991

申请日：2021-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Kyu Lee ,  Yang Wan Kim ,  Sun Ja Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Su Jin Lee ,  Jae Yong Lee ,  Tae Hoon Kwon ,  Seung Ji Cha

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3225 ,  H01L51/52

Abstract: A display device includes a substrate having a pixel area with at least a first rounded corner portion and first to third non-pixel areas arranged sequentially along an outer circumference of the pixel area. An internal circuit in the first non-pixel area has a first end portion adjacent to the first rounded corner portion of the pixel area. The first end portion of the internal circuit is rounded in accordance with the first rounded corner portion. A plurality of routing wires are in the third non-pixel area below the pixel area. The routing wires extending to the pixel area via the second non-pixel area and the first non-pixel area. The routing wires include at least a first routing wire connected to the pixel area passing an area of the first end portion of the internal circuit.

公开(公告)号：US11289566B2

公开(公告)日：2022-03-29

申请号：US16723970

申请日：2019-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Wan Kim ,  Byung Sun Kim ,  Su Jin Lee ,  Hyung Jun Park ,  Jae Yong Lee

IPC: G09G3/00 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device including a substrate including a first display region having a first width, a second display region having a second width smaller than the first width, a peripheral region at a periphery of the first and second display regions, and a dummy region in the peripheral region, a first pixel in the first display region, a second pixel in the second display region, a first control line connected to the first pixel and extending in the first display region, a second control line connected to the second pixel and extending in the second display region, and a dummy line connected to the second control line in the dummy region, wherein the second control line is at a first conductive layer on a first insulating layer, the dummy line is at a second conductive layer on a second insulating layer on the first conductive layer.

公开(公告)号：US20210233472A1

公开(公告)日：2021-07-29

申请号：US17228812

申请日：2021-04-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Sun Ja Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Hyung Jun Park ,  Su Jin Lee ,  Jae Yong Lee ,  Yu Jin Jeon

IPC: G09G3/3233

Abstract: A display device includes a first pixel area having first pixels and a second pixel area having second pixels. Each first pixel includes a driving transistor initialized to a voltage of a first initialization power supply. Each second pixel includes a driving transistor initialized to a voltage of a second initialization power supply. The first initialization power supply and the second initialization power supply are set to different voltages. The first pixel area and the second pixel area have different widths.

公开(公告)号：US10991791B2

公开(公告)日：2021-04-27

申请号：US16785962

申请日：2020-02-10

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Kyu Lee ,  Yang Wan Kim ,  Sun Ja Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Su Jin Lee ,  Jae Yong Lee ,  Tae Hoon Kwon ,  Seung Ji Cha

IPC: G09G3/3233 ,  G09G3/3225 ,  H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate having a pixel area with at least a first rounded corner portion and first to third non-pixel areas arranged sequentially along an outer circumference of the pixel area. An internal circuit in the first non-pixel area has a first end portion adjacent to the first rounded corner portion of the pixel area. The first end portion of the internal circuit is rounded in accordance with the first rounded corner portion. A plurality of routing wires are in the third non-pixel area below the pixel area. The routing wires extending to the pixel area via the second non-pixel area and the first non-pixel area. The routing wires include at least a first routing wire connected to the pixel area passing an area of the first end portion of the internal circuit.

公开(公告)号：US10978003B2

公开(公告)日：2021-04-13

申请号：US16544654

申请日：2019-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Wan Kim ,  Seung Kyu Lee ,  Sun Ja Kwon ,  Tae Hoon Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Su Jin Lee ,  Jae Yong Lee ,  Seung Ji Cha

IPC: G09G3/32 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3225

Abstract: A display device includes a substrate, first pixels, second pixels, and third pixels. The substrate has a first pixel area, a second pixel area, and a third pixel area. The first pixels are in the first pixel area and are connected to first scan lines and first emission control lines. The second pixels are in the second pixel area and are connected to second scan lines and second emission control lines. The third pixels are in the third pixel area and are connected to third scan lines and third emission control lines. The second scan lines are spaced apart from the third scan lines, and the second emission control lines are spaced apart from the third emission control lines.

公开(公告)号：US10886354B2

公开(公告)日：2021-01-05

申请号：US15453794

申请日：2017-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Byung Sun Kim ,  Sun Ja Kwon ,  Yang Wan Kim ,  Hyun Ae Park ,  Su Jin Lee ,  Jae Yong Lee

IPC: G02F1/1345 ,  G06F3/044 ,  H01L51/56 ,  H01L27/32 ,  H01L23/60 ,  G09G5/00 ,  G02F1/13 ,  G09G3/3233

Abstract: A display device includes a substrate having a pixel area and a peripheral area, a plurality of pixels disposed on the substrate in the pixel area, a plurality of data lines that supply a plurality of data signals to the pixels, a plurality of scan lines that supply a plurality of scan signals to the pixels, a plurality of power supply lines that supply a first voltage to the pixels, and first through third insulating layers. The first insulating layer is disposed on the substrate, the second insulating layer is disposed on the first insulating layer, and the third insulating layer is disposed on the second insulating layer. The scan lines are disposed below the third insulating layer on the substrate in the pixel area, and are disposed on the third insulating layer in the peripheral area.

公开(公告)号：US20200302850A1

公开(公告)日：2020-09-24

申请号：US16897990

申请日：2020-06-10

Applicant: SAMSUNG DISPLAY CO, LTD.

Inventor： TAE HOON KWON ,  Ji Hyun Ka ,  Byung Sun Kim ,  Yang Wan Kim ,  Hyung Jun Park ,  Su Jin Lee ,  Jae Tong Lee ,  Jin Tae Jeong ,  Seung Ji Cha

IPC: G09G3/20 ,  G02F1/1345 ,  H01L51/00 ,  H05K1/11

Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.

公开(公告)号：US10770535B2

公开(公告)日：2020-09-08

申请号：US16714545

申请日：2019-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Byung Sun Kim ,  Hyung Jun Park ,  Su Jin Lee ,  Jae Yong Lee ,  Jin Tae Jeong ,  Seung Ji Cha

IPC: H01L29/08 ,  H01L27/32 ,  G09G3/3233 ,  H01L51/52

Abstract: A display device includes a substrate having a display area and a non-display area, a plurality of pixels in the display area, scan lines for supplying a scan signal to the pixels, the scan lines extending in a first direction, data lines for supplying a data signal to the pixels, the data lines extending in a second direction crossing the first direction, and a first dummy part in the non-display area, adjacent to an outermost pixel, connected to an outermost data line of the display area, forming a parasitic capacitor with the outermost pixel, and including a first dummy data line and a first dummy power pattern extending in parallel to the data lines.