公开(公告)号：US11804172B2

公开(公告)日：2023-10-31

申请号：US17941990

申请日：2022-09-09

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan Hwang ,  Hyun Joon Kim ,  Kye Uk Lee ,  Jun Ki Jeong ,  Sang Jin Jeon

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/027 ,  G09G2310/0297

Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.

公开(公告)号：US11514834B2

公开(公告)日：2022-11-29

申请号：US17231492

申请日：2021-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Ki Jeong ,  Hyun Joon Kim ,  Kyung Bae Kim ,  Kyung Hoon Chung ,  Chong Chul Chai

IPC: G09G3/20 ,  G02F1/1333 ,  F21V8/00

Abstract: A tiled display device includes an array of a plurality of display panels. Each of the plurality of display panels includes a plurality of pixels constituting a plurality of pixel rows and a plurality of pixel columns, a data distributor disposed between a first pixel of a first pixel row among the plurality of pixel rows and a second pixel of the first pixel row adjacent to the first pixel in a first direction, and a scan driver disposed between the second pixel and a third pixel adjacent to the second pixel in the first direction.

公开(公告)号：US11257437B2

公开(公告)日：2022-02-22

申请号：US17092495

申请日：2020-11-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon Kim ,  Jun Ki Jeong

IPC: G09G3/3266

Abstract: A pixel of a light-emitting display device includes a capacitor, a first transistor, a second transistor including a gate receiving a gate writing signal, a third transistor including a gate receiving a scan signal, a fourth transistor including a gate receiving a gate initialization signal, a fifth transistor including a gate receiving a first emission signal, a sixth transistor including a gate receiving a second emission signal, and a light-emitting diode. The scan signal and the gate writing signal may be provided at a first frequency, and the first emission signal, the second emission signal and the gate initialization signal may be provided at a second frequency higher than the first frequency.

公开(公告)号：US10650748B2

公开(公告)日：2020-05-12

申请号：US15863148

申请日：2018-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Soon-Dong Kim ,  Il-Joo Kim ,  Jun Ki Jeong ,  Jin-Wook Yang ,  Gyung Soon Park

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3225 ,  H01L27/12

Abstract: Example embodiments of the present disclosure provide a display device including: a plurality of pixels; a first scan gate line and a second scan gate line configured to transfer scan signals to a first pixel row of the pixels; a plurality of first gate bridges connected with the first scan gate line to transfer the scan signals to a plurality of first pixels at the first pixel row; a plurality of second gate bridges connected with the second scan gate line to transfer the scan signals to a plurality of second pixels at the first pixel row; a plurality of first data lines configured to supply a plurality of data voltages corresponding to the first pixels; and a plurality of second data lines configured to supply a plurality of data voltages corresponding to the second pixels, wherein two of the first data lines are positioned between two first pixels corresponding thereto, and two of the second data lines are positioned between two second pixels corresponding thereto.

公开(公告)号：US10476032B2

公开(公告)日：2019-11-12

申请号：US16239920

申请日：2019-01-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gyung Soon Park ,  Sang Woo Kim ,  Il Joo Kim ,  Jae Min Shin ,  Jun Ki Jeong

IPC: H01J1/62 ,  H01L51/52 ,  H01L51/00 ,  H01L51/50 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32

Abstract: A display device includes a substrate including a display region, a first non-display region in the display region and a second non-display region outside the display region. A pixel array layer is disposed on the display region of the substrate. An encapsulation layer is disposed on the display region. The encapsulation layer is disposed on the first and second non-display regions of the substrate. The first non-display region includes a through hole penetrating the pixel array layer and the substrate. An encapsulation groove is spaced apart from the through hole. An inner wall of the through hole and an inner wall of the encapsulation groove are at least partially covered with the encapsulation layer. An end face of the encapsulation layer facing away from the pixel array layer has an irregular shape when viewed from a side of the substrate opposite the pixel array layer.

公开(公告)号：US12266664B2

公开(公告)日：2025-04-01

申请号：US18402379

申请日：2024-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Seon Young Choi ,  Jae Hyung Cho ,  Jee Hoon Sim ,  Jun Ki Jeong

IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1362 ,  H01L27/15 ,  H10K59/121 ,  H10K59/124 ,  H10K102/00

Abstract: An embodiment of a display device includes a substrate, a semiconductor layer, a first gate insulating layer, a gate electrode, a second gate insulating layer, a first storage electrode, a first interlayer insulating layer, a second interlayer insulating layer, a data line, and a driving voltage line. The semiconductor layer is disposed on the substrate. The first gate insulating layer is disposed on the semiconductor layer. The gate electrode is positioned on the first insulating layer. The second gate insulating layer is disposed on the gate electrode. The first storage electrode is positioned on the second gate insulating layer. The first interlayer insulating layer is disposed on the first storage electrode and has an opening surrounding the semiconductor layer, the gate electrode, and the first storage electrode. The second interlayer insulating layer is disposed on the first interlayer insulating layer and fills the opening. The data line and the driving voltage line are positioned on the second interlayer insulating layer. The semiconductor layer, the gate electrode, and the storage electrode are included in a pixel region. The display device includes a plurality of pixel regions. The data line and the driving voltage line cross the pixel circuit region. A portion of the semiconductor layer is in contact with the second interlayer insulating that fills the opening.

公开(公告)号：US12254839B2

公开(公告)日：2025-03-18

申请号：US18313601

申请日：2023-05-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon Kim ,  Jun Ki Jeong

IPC: G09G3/3266

Abstract: A pixel of a light-emitting display device includes a capacitor, a first transistor, a second transistor including a gate receiving a gate writing signal, a third transistor including a gate receiving a scan signal, a fourth transistor including a gate receiving a gate initialization signal, a fifth transistor including a gate receiving a first emission signal, a sixth transistor including a gate receiving a second emission signal, and a light-emitting diode. The scan signal and the gate writing signal may be provided at a first frequency, and the first emission signal, the second emission signal and the gate initialization signal may be provided at a second frequency higher than the first frequency.

公开(公告)号：US20220359577A1

公开(公告)日：2022-11-10

申请号：US17737707

申请日：2022-05-05

Applicant: Samsung Display Co., LTD.

Inventor： Jun Ki Jeong ,  Hyun Joon Kim ,  Mee Hye Jung

IPC: H01L27/12 ,  H01L25/16 ,  G09G3/32

Abstract: A light emitting display device includes a pixel circuit unit, a data distribution unit, a plurality of signal generating units, a unit light emitting diode, and a dummy opening. The pixel circuit unit is configured to generate an output current. The data distribution unit is configured to apply a data voltage to the pixel circuit unit through a data line. The plurality of signal generating units are respectively configured to apply a scan signal and a light emission control signal to the pixel circuit unit through a plurality of signal lines. The unit light emitting diode is configured to receive the output current of the pixel circuit unit and is attached to the pixel circuit unit. The dummy opening is formed in the region where the pixel circuit unit, the data distribution unit, and a plurality of signal generating units are not positioned.

公开(公告)号：US11455959B2

公开(公告)日：2022-09-27

申请号：US16703968

申请日：2019-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Gyung Soon Park ,  Min Kyu Woo ,  Jun Ki Jeong

IPC: G09G3/3266 ,  G09G3/3291

Abstract: A display device according to an exemplary embodiment of the invention includes: a substrate; an active pattern including a semiconductor material disposed on the substrate; a first conductive layer disposed on the active pattern, the first conductive layer including a plurality of scan lines and a driving gate electrode; a second conductive layer disposed on the first conductive layer, the second conductive layer including an initialization voltage line to transmit an initialization voltage; a third conductive layer disposed on the second conductive layer, the third conductive layer including a driving voltage line to transmit a driving voltage; a fourth conductive layer disposed on the third conductive layer, the first conductive layer including a first data line that transmits a data signal; and a pixel electrode layer disposed on the fourth conductive layer, the pixel electrode layer including a plurality of pixel electrodes, wherein the third conductive layer includes a connection member that is electrically connected with the initialization voltage line, and the first data line includes a projecting portion that extends in a direction away from the connection member.

公开(公告)号：US11239261B2

公开(公告)日：2022-02-01

申请号：US15347177

申请日：2016-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol-Gon Lee ,  Il-Joo Kim ,  Mee Hye Jung ,  Jun Ki Jeong

IPC: H01L27/12 ,  H01L27/32 ,  H01L29/786 ,  G02F1/1362 ,  G02F1/1368

Abstract: A display device having a gate driver which may reduce generation of ripple at the output of the gate drive includes: a substrate; and a driver circuit including a thin film transistor disposed on the substrate, the thin film transistor including: a first gate electrode disposed on the substrate; a semiconductor layer disposed on the first gate electrode to overlap a part of the first gate electrode, the semiconductor layer including channel, source, and drain regions; a second gate electrode disposed on the semiconductor layer; and a source electrode and a drain electrode disposed on the semiconductor layer and respectively connected to the source region and the drain region, wherein a first area formed by the overlapping portion of the first gate electrode and the drain region has a different size than a second area formed by the overlapping portion of the first gate electrode and the source region.