公开(公告)号：US11847973B2

公开(公告)日：2023-12-19

申请号：US17871468

申请日：2022-07-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Tae Jeong ,  Tae Hoon Kwon ,  Min Ku Lee ,  Ji Hyun Ka ,  Seung Kyu Lee ,  Seung Ji Cha

IPC: G09G3/3266 ,  G11C19/28 ,  G09G3/36 ,  G09G3/3283 ,  G09G5/10

CPC classification number: G09G3/3266 ,  G11C19/28 ,  G09G3/3283 ,  G09G3/3677 ,  G09G5/10 ,  G09G2310/0286 ,  G09G2310/066 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/064

Abstract: The present disclosure relates to a display device including first pixels disposed in a first pixel area, and connected to first scan lines; second pixels disposed in a second pixel area, and connected to second scan lines; a timing controller configured to supply a first clock signal and a second clock signal to a first clock line and a second clock line, respectively; a first scan driver configured to receive the first clock signal through the first clock line, and to supply a first scan signal to the first scan lines; and a second scan driver configured to receive the second clock signal through the second clock line, and to supply a second scan signal to the second scan lines, wherein the second pixel area has a smaller width than the first pixel area.

公开(公告)号：US11741885B2

公开(公告)日：2023-08-29

申请号：US17586711

申请日：2022-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Hwan Oh ,  Jin Tae Jeong ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Hyung Jun Park ,  Chang Soo Pyon ,  Ji Eun Lee ,  Hai Jung In ,  Won Mi Hwang

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0278 ,  G09G2330/028

Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.

公开(公告)号：US11710455B2

公开(公告)日：2023-07-25

申请号：US16436016

申请日：2019-06-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Tae Jeong ,  Min Ku Lee ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Seung Kyu Lee ,  Seung Ji Cha

IPC: G09G3/3258 ,  G09G3/3225 ,  H10K59/123

CPC classification number: G09G3/3258 ,  G09G3/3225 ,  H10K59/123 ,  G09G2300/0819 ,  G09G2310/0216 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0214 ,  G09G2320/0238 ,  G09G2320/045

Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.

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.

公开(公告)号：US10482829B2

公开(公告)日：2019-11-19

申请号：US15683498

申请日：2017-08-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Tae Jeong ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Min Ku Lee ,  Seung Ji Cha

IPC: G09G3/34 ,  G09G3/3266 ,  G09G3/20 ,  G09G3/02

Abstract: A display device includes first and second pixel areas spaced apart from each other so that corresponding scan lines are separate from each other, a first non-pixel area at a periphery of the first pixel area, a second non-pixel area at a periphery of the second pixel area and opposite to the first non-pixel area with at least one pixel area interposed therebetween, first scan lines in the first pixel area, second scan lines in the second pixel area, a first scan driver in the first non-pixel area and connected to the first scan lines, a second scan driver in the second non-pixel area and connected to the second scan lines, first wires in the first non-pixel area and connected to the first scan driver, second wires in the second non-pixel area and connected to the second scan driver; and connecting wires connecting the first wires and second wires.

公开(公告)号：US10482818B2

公开(公告)日：2019-11-19

申请号：US15882734

申请日：2018-01-29

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon Kwon ,  Ji Hyun Ka ,  Min Ku Lee ,  Seung Ji Cha ,  Hyun Uk Oh ,  Jin Tae Jeong

IPC: G09G5/10 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/20

Abstract: A display device includes pixels coupled to scan lines, emission control lines, and data lines, a scan driver configured to supply scan signals to the pixels through the scan lines, an emission driver configured to supply emission control signals to the pixels through the emission control lines, and a data driver configured to supply data signals to the pixels through the data lines, wherein the emission driver is configured to supply the emission control signals for each one of sub-periods in one frame period, and wherein a width of the emission control signals in any one sub-period from among the sub-periods is different from that of the emission control signals in another sub-period from among the sub-periods.

公开(公告)号：US10354578B2

公开(公告)日：2019-07-16

申请号：US15434196

申请日：2017-02-16

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G5/02 ,  G09G3/20 ,  G09G3/34 ,  G09G3/3225 ,  G09G3/3233 ,  H01L27/32

Abstract: A display device includes a substrate including a first pixel area, a second pixel area, and a third pixel area, each of the second and third pixel areas having a smaller surface area than the first pixel area and being connected to the first pixel area, first to third pixels provided in the first to third pixel areas, respectively, first to third lines connected to the first to third pixels, respectively, a line connecting part connecting the second and third lines, and a dummy unit overlapping the line connecting part to compensate for a difference of a load value of the first line and a load value of the second line.

公开(公告)号：US10319306B2

公开(公告)日：2019-06-11

申请号：US15601012

申请日：2017-05-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Tae Jeong ,  Min Ku Lee ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Seung Kyu Lee ,  Seung Ji Cha

IPC: H01L27/32 ,  G09G3/3258 ,  G09G3/3225

Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.

公开(公告)号：US11963417B2

公开(公告)日：2024-04-16

申请号：US17941207

申请日：2022-09-09

Applicant: Samsung Display Co., LTD.

Inventor： Min Hee Choi ,  Ji-Eun Lee ,  Jin Tae Jeong ,  Yun Sik Joo

IPC: H10K59/131 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/36

CPC classification number: H10K59/1315 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/3659 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0202 ,  G09G2310/0254

Abstract: A display device includes a light emitting diode electrically connected between a driving voltage line and a common voltage line; a driving transistor electrically connected between the driving voltage line and the light emitting diode; a second transistor electrically connected between a first electrode of the driving transistor electrically connected to the driving voltage line and a data line; a first scan line electrically connected to a gate electrode of the second transistor; a third transistor electrically connected between a second electrode of the driving transistor electrically connected to the light emitting diode and a gate electrode of the driving transistor; and a connection electrode that connects the gate electrode of the driving transistor and the third transistor, wherein at least a part of a contact portion where the connection electrode contacts the third transistor does not overlap the first scan line.