公开(公告)号：US11659744B2

公开(公告)日：2023-05-23

申请号：US17305503

申请日：2021-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sunyoung Jung ,  Gunhee Kim ,  Hyunho Kim ,  Donghwan Shim ,  Taehoon Yang ,  Sanghee Jang ,  Chungsock Choi

IPC: H01L27/32 ,  G09G3/3225

CPC classification number: H01L27/3276 ,  G09G3/3225

Abstract: A display panel includes: a display area including a main display area, and a component area; a peripheral area; a plurality of main pixel circuits at the main display area; a plurality of main gate lines extending in a first direction, and connected to the main pixel circuits; a plurality of main data lines extending in a second direction, and connected to the main pixel circuits; a plurality of auxiliary display elements at the component area; a plurality of auxiliary pixel circuits at the periphery area, and connected to the auxiliary display elements; a plurality of auxiliary gate lines connected to the auxiliary pixel circuits, and to main gate lines that are adjacent to the component area in the first direction; and a plurality of auxiliary data lines connected to the auxiliary pixel circuits, and to main data lines that are adjacent to the component area in the second direction.

公开(公告)号：US11610950B2

公开(公告)日：2023-03-21

申请号：US17013149

申请日：2020-09-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinyeong Kim ,  Sangho Park ,  Jintaek Kim ,  Mijin Park ,  Soohyun Moon ,  Taehoon Yang ,  Kwangtaek Hong

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: In an organic light-emitting display apparatus in which color mixing is reduced, the organic light-emitting display apparatus includes a substrate, a plurality of pixel electrodes disposed on the substrate to be apart from each other, a pixel defining layer disposed on the substrate and covering an edge of each of the plurality of pixel electrodes to expose a center portion of each of the plurality of pixel electrodes, and a plurality of spacers disposed on the pixel defining layer to be apart from each other, in which a distance between an edge of each of the plurality of spacers in a direction toward a closest pixel electrode and a portion or the closest pixel electrode that is not covered by the pixel defining layer is about 3 μm or less.

公开(公告)号：US11563072B2

公开(公告)日：2023-01-24

申请号：US16940674

申请日：2020-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kinyeng Kang ,  Hyun Kim ,  Seungmin Song ,  Taehoon Yang ,  Sanghoon Lee ,  Seonbeom Ji ,  Jonghyun Choi

IPC: H01L27/32 ,  G09G3/3233

Abstract: A display device includes a substrate including a display area in which a display element is arranged and a non-display area having a pad area outside the display area, a first thin-film transistor arranged in the display area of the substrate and including a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer, a first voltage line which extends in a first direction on the first gate electrode, a data line apart from the first voltage line and which extends in the first direction, connection lines which connects the data line to a pad in the pad area in the display area, and a conductive layer arranged in a layer between the first voltage line and the data line.

公开(公告)号：US11551618B2

公开(公告)日：2023-01-10

申请号：US17499820

申请日：2021-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sunho Kim ,  Gun Hee Kim ,  Taehoon Yang ,  Sun Hee Lee ,  Sungjin Hong

IPC: G09G3/3266 ,  G09G3/3275

Abstract: An electronic device includes a display panel, a scan driving circuit, and a data driving circuit. The display panel includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels. The scan driving circuit is configured to apply a scan signal to the scan lines. The data driving circuit is configured to apply a data signal to the data lines. The scan lines extend in a first direction. The scan driving circuit and the data driving circuit are arranged in the first direction.

公开(公告)号：US11455954B2

公开(公告)日：2022-09-27

申请号：US17319424

申请日：2021-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Yoomin Ko ,  Gun Hee Kim ,  Sang Hoon Kim ,  Taehoon Yang ,  Joohee Jeon

IPC: G09G3/325 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3233

Abstract: A pixel of an organic light emitting diode (“OLED”) display device includes a switching transistor which transfers a data voltage, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an emission control transistor which selectively forms a path for the driving current in response to an emission control signal, an OLED which emits light based on the driving current, and a supplemental electrode overlapping a gate electrode of the driving transistor, the supplemental electrode having a first voltage for a predetermined time period from a time point at which the emission control signal has a turn-on level, and having a second voltage after the predetermined time period.

公开(公告)号：US11257894B2

公开(公告)日：2022-02-22

申请号：US16808490

申请日：2020-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Juwon Yoon ,  Taehoon Yang ,  Donghwan Kim

IPC: H01L27/32 ,  H01L27/12

Abstract: A display device includes: a substrate; a plurality of light-emitting diodes above the substrate; a plurality of pixel circuits above the substrate and electrically connected to the plurality of light-emitting diodes; a scan line extending in a first direction above the substrate, where the scan line delivers a scan signal to the plurality of pixel circuits; and a scan driver between the substrate and the plurality of pixel circuits and providing the scan signal to the scan line. A distance between the scan driver and the substrate is less than a distance between the plurality of pixel circuits and the substrate.

公开(公告)号：US20210193746A1

公开(公告)日：2021-06-24

申请号：US16907476

申请日：2020-06-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon Lee ,  Kinyeng Kang ,  Taewoo Kim ,  Taehoon Yang ,  Jonghyun Choi

IPC: H01L27/32 ,  G09G3/3266

Abstract: A display device includes: a substrate including a display area including first and second pixels in a first row, and third and fourth pixels arranged in a second row parallel to the first row; a light-transmitting non-display area within the display area; first and second columns parallel to and spaced apart from each other, and each crossing the non-display area; and a plurality of lines including: first and second lines extending along the first row and connected to the first and second pixels, respectively, a first disconnection point where the first and second lines are spaced apart from each other, third and fourth lines extending along the second row and connected to the third and fourth pixels, respectively, and a second disconnection point where the third and fourth lines are spaced apart from each other, where the first and second disconnection points respectively correspond to the first and second columns.

公开(公告)号：US11043166B2

公开(公告)日：2021-06-22

申请号：US16896573

申请日：2020-06-09

Applicant: Samsung Display Co., Ltd.

Inventor： Yoomin Ko ,  Gun Hee Kim ,  Sang Hoon Kim ,  Taehoon Yang ,  Joohee Jeon

IPC: G09G3/325 ,  G09G3/3291 ,  G09G3/3266

Abstract: A pixel of an organic light emitting diode (“OLED”) display device includes a switching transistor which transfers a data voltage, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an emission control transistor which selectively forms a path for the driving current in response to an emission control signal, an OLED which emits light based on the driving current, and a supplemental electrode overlapping a gate electrode of the driving transistor, the supplemental electrode having a first voltage for a predetermined time period from a time point at which the emission control signal has a turn-on level, and having a second voltage after the predetermined time period.

公开(公告)号：US10985233B2

公开(公告)日：2021-04-20

申请号：US16846170

申请日：2020-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kinyeng Kang ,  Taewoo Kim ,  Taehoon Yang ,  Seunghwan Cho ,  Jonghyun Choi

IPC: H01L27/32

Abstract: A display device includes: a substrate comprising a display area and a peripheral area outside the display area; a first connection line in the display area, the first connection line comprising a first portion extending along a first column of the display area and in the first column, a third portion extending along a second column of the display area and in the second column, and a second portion connecting the first portion to the third portion; and a second connection line in the peripheral area and connected to the third portion of the first connection line and a data line in a third column of the display area.

公开(公告)号：US20200051506A1

公开(公告)日：2020-02-13

申请号：US16656873

申请日：2019-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Taehoon Yang ,  Jongchan Lee ,  Woonghee Jeong

IPC: G09G3/3258 ,  H01L27/32 ,  G09G3/3233

Abstract: A pixel, wherein: gates of second and fifth transistors receive a first gate signal; gates of third and fourth transistors respectively receive second and third gate signals; first terminals (FTs) of the second to fifth transistors respectively receive a data voltage, reference voltage, initialization voltage, and first power supply voltage (PSV); a second electrode of a second capacitor receives the first PSV; a second terminal (ST) of a light emitting element (LEE) receives a second PSV; a gate of a first transistor, STs of the second and third transistors, and a first electrode of a first capacitor are connected to a first node; STs of the first and fourth transistors, a FT of the LEE, and second and first electrodes respectively of the first and second capacitors are connected to a second node; and a ST of the fifth transistor is connected to a FT of the first transistor.