公开(公告)号：US11367765B2

公开(公告)日：2022-06-21

申请号：US16689564

申请日：2019-11-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-Hyun Ka ,  Tae Geun Kim ,  Gyeong-Im Lee

IPC: H01L29/04 ,  H01L29/15 ,  H01L31/036 ,  H01L27/32 ,  G09G3/3233 ,  H01L51/52 ,  H01L27/12

Abstract: A display device includes a first display area including a plurality of first pixel electrodes, and a second display area including a plurality of second pixel electrodes. A first pitch in a first direction of the plurality of first pixel electrodes is smaller than a second pitch in the first direction of the plurality of second pixel electrodes, and a length in the first direction of the first pixel electrodes is smaller than a length in the first direction of the second pixel electrode.

公开(公告)号：US10985230B2

公开(公告)日：2021-04-20

申请号：US16898780

申请日：2020-06-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongsoo Kim ,  Ji-Hyun Ka

IPC: H01L27/32 ,  G09G3/3233 ,  H01L27/12 ,  H01L29/786

Abstract: An organic light emitting display (OLED) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage. A control transistor includes a first control electrode and a first semiconductor active layer. The control transistor is configured to receive a control signal. A driving transistor includes a second control electrode that is electrically connected to the control transistor, an input electrode that is configured to receive a power voltage, an output electrode that is electrically connected to the anode of the organic light emitting diode, and a second semiconductor active layer that includes a different material from that of the first semiconductor active layer. A shielding electrode is disposed on the second semiconductor active layer, overlapping the driving transistor, and configured to receive the power voltage.

公开(公告)号：US20210057505A1

公开(公告)日：2021-02-25

申请号：US16909032

申请日：2020-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kwangsae Lee ,  Ji-Hyun Ka ,  Kimyeong Eom

IPC: H01L27/32 ,  H01L51/00

Abstract: An electronic panel including: a base substrate including a first area and a second area, wherein the first area includes a module area and a display area adjacent to the module area; a display element layer including a plurality of display elements, wherein the plurality of display elements overlaps the first area; an encapsulation layer configured to cover the display elements; sensing patterns overlapping the first area and disposed on the encapsulation layer; a crack sensing pattern overlapping the module area and disposed on the encapsulation layer; an auxiliary pattern overlapping the module area and disposed on the encapsulation layer, wherein the auxiliary pattern has a shape that extends along an edge of the crack sensing pattern and extends between the sensing patterns and the crack sensing pattern; and a signal line disposed on the encapsulation layer to electrically connect the crack sensing pattern to the auxiliary pattern.

公开(公告)号：US20200381503A1

公开(公告)日：2020-12-03

申请号：US16898780

申请日：2020-06-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongsoo Kim ,  Ji-Hyun Ka

IPC: H01L27/32 ,  G09G3/3233

Abstract: An organic light emitting display (OLED) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage. A control transistor includes a first control electrode and a first semiconductor active layer. The control transistor is configured to receive a control signal. A driving transistor includes a second control electrode that is electrically connected to the control transistor, an input electrode that is configured to receive a power voltage, an output electrode that is electrically connected to the anode of the organic light emitting diode, and a second semiconductor active layer that includes a different material from that of the first semiconductor active layer. A shielding electrode is disposed on the second semiconductor active layer, overlapping the driving transistor, and configured to receive the power voltage.

公开(公告)号：US10714508B2

公开(公告)日：2020-07-14

申请号：US16527382

申请日：2019-07-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung-Kyu Lee ,  Tae Hoon Kwon ,  Ji-Hyun Ka

IPC: H01L27/12 ,  G02F1/1345 ,  G02F1/1362 ,  G09G3/36

Abstract: Disclosed is a display device including: a substrate including a display area for displaying an image and a peripheral area neighboring the display area; a plurality of signal lines formed in the display area; a pad formed in the peripheral area; and a plurality of connection wires for connecting the signal lines and the pad, wherein a first connection wire and a second connection wire neighboring the first connection wire from among the plurality of connection wires are disposed on different layers, and the first connection wire and the second connection wire, which are formed to extend from the pad and are bent at least twice to have at least one being bent toward backward direction, are disposed in the peripheral area.

公开(公告)号：US10707287B2

公开(公告)日：2020-07-07

申请号：US16299522

申请日：2019-03-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongsoo Kim ,  Ji-Hyun Ka

IPC: H01L27/32 ,  G09G3/3233 ,  H01L27/12 ,  H01L29/786

Abstract: An organic light emitting display (OLED) device includes an organic light emitting diode having an anode and a cathode. The organic light emitting diode is configured to receive a reference voltage. A control transistor includes a first control electrode and a first semiconductor active layer. The control transistor is configured to receive a control signal. A driving transistor includes a second control electrode that is electrically connected to the control transistor, an input electrode that is configured to receive a power voltage, an output electrode that is electrically connected to the anode of the organic light emitting diode, and a second semiconductor active layer that includes a different material from that of the first semiconductor active layer. A shielding electrode is disposed on the second semiconductor active layer, overlapping the driving transistor, and configured to receive the power voltage.

公开(公告)号：US10111301B2

公开(公告)日：2018-10-23

申请号：US15831250

申请日：2017-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun Ka ,  Won-Kyu Kwak

IPC: H05B33/22 ,  G06F1/16 ,  G06F3/041 ,  H05B33/04 ,  H01L51/00 ,  H01L51/52 ,  H01L27/32 ,  G02F1/1333

Abstract: A flexible display panel and a display apparatus including the flexible display panel are disclosed. The flexible display panel includes an encapsulated panel, a first protective film on one side of the encapsulated panel, and a second protective film on another side of the encapsulated panel. The encapsulated panel includes a flexible panel and a flexible encapsulation member on the flexible panel. The flexible panel includes a first region on a first plane and that includes a display region, and a second region on a second plane that is bent with respect to the first plane and that includes a non-display region. The flexible encapsulation member encapsulates the display region. The display apparatus also includes a support unit for maintaining a shape of the flexible panel.

公开(公告)号：US09832839B2

公开(公告)日：2017-11-28

申请号：US15423385

申请日：2017-02-02

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun Ka ,  Won-Kyu Kwak

IPC: G06F1/16 ,  H01J1/62 ,  H05B33/22 ,  H05B33/04 ,  G06F3/041

CPC classification number: H05B33/22 ,  G02F1/133308 ,  G06F1/1601 ,  G06F1/1637 ,  G06F1/1643 ,  G06F1/1652 ,  G06F3/041 ,  G06F3/0412 ,  G06F2203/04102 ,  H01L27/3276 ,  H01L51/0097 ,  H01L51/5253 ,  H01L2251/5338 ,  H05B33/04 ,  Y02E10/549

Abstract: A flexible display panel and a display apparatus including the flexible display panel are disclosed. The flexible display panel includes an encapsulated panel, a first protective film on one side of the encapsulated panel, and a second protective film on another side of the encapsulated panel. The encapsulated panel includes a flexible panel and a flexible encapsulation member on the flexible panel. The flexible panel includes a first region on a first plane and that includes a display region, and a second region on a second plane that is bent with respect to the first plane and that includes a non-display region. The flexible encapsulation member encapsulates the display region. The display apparatus also includes a support unit for maintaining a shape of the flexible panel.

公开(公告)号：US09747831B2

公开(公告)日：2017-08-29

申请号：US14804250

申请日：2015-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ok-Kyung Park ,  Ji-Hyun Ka

IPC: G09G3/00 ,  G09G3/30 ,  G09G3/3258 ,  H01L27/32 ,  G09G3/36 ,  G09G3/3291

CPC classification number: G09G3/30 ,  G09G3/006 ,  G09G3/3258 ,  G09G3/3291 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2330/12 ,  G09G2360/148 ,  H01L27/3248 ,  H01L2251/562

Abstract: A flat panel display device formed in a pentile structure is provided, which includes a pixel portion and a lighting tester. The pixel portion includes a first pixel column, a second pixel column and a third pixel column. In the first pixel column, first pixels for displaying a first color and second pixels for displaying a second color are alternately arranged in a direction the data lines. In the second pixel column, first and second pixels arranged in reverse order of the first pixel column in a direction parallel to the data lines. In the third pixel column, third pixels for displaying a third color are arranged in a direction parallel to the data lines. The lighting tester applies a first voltage to the first pixel column and applies a second voltage to the second pixel column during a first time period. The lighting tester applies the second voltage to the first pixel column and applies the first voltage to the second pixel column during a second time period.

公开(公告)号：US09626902B2

公开(公告)日：2017-04-18

申请号：US13903831

申请日：2013-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Tae-Hoon Kwon ,  Ji-Hyun Ka

IPC: G09G3/36 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0223 ,  G09G2320/0233

Abstract: A light emission driver for a display device is disclosed. In one aspect, the driver includes a first node to which first and second light emitting power source voltages are applied according to respective clock signals. The driver also includes a second node to which the first and third light emitting power source voltages are applied according to the respective clock signals. The driver further includes first and second transistors respectively turned on by the first and second nodes and respectively transmitting the second and first light emitting power source voltages to a light emitting signal output terminal, respectively.