公开(公告)号：US11594179B2

公开(公告)日：2023-02-28

申请号：US17684188

申请日：2022-03-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Jihye Kong ,  Yongho Yang ,  Jeong-Soo Lee

IPC: G09G3/3233 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit includes a light-emitting element, a first transistor, a second transistor operating based on a first gate signal, a third transistor operating based on a second gate signal, a fourth transistor operating based on an initialization control signal, a fifth transistor operating based on an emission control signal, a sixth transistor operating based on the emission control signal, a seventh transistor, of which one terminal is connected to the light-emitting element, operating based on a bias control signal, an eighth transistor, of which one terminal is connected to the driving transistor, operating based on the bias control signal, a storage capacitor, and the light-emitting element. The circuit performs a display-scan operation where a driving time of a panel driving frame is a predetermined duration, and performs a display-scan operation and a self-scan operation where the driving time is longer than the predetermined duration.

公开(公告)号：US11423835B2

公开(公告)日：2022-08-23

申请号：US17157768

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Eung Taek Kim ,  Yong Ho Yang ,  Seong Min Wang ,  Jung-Mi Choi

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

Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.

公开(公告)号：US10985227B2

公开(公告)日：2021-04-20

申请号：US16251639

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seong Min Wang ,  Young-In Hwang ,  Yong Ho Yang ,  Yong Su Lee ,  Jae Seob Lee ,  Gyoo Chul Jo

IPC: H01L27/32 ,  G09G3/3233 ,  H01L51/52 ,  G09G3/3258 ,  H01L51/00

Abstract: A display may include flexible substrate, a blocking layer on the flexible substrate, a pixel on the flexible substrate and the blocking layer, and a scan line, a data line, a driving voltage line, and an initialization voltage line connected to the pixel. The pixel may include an organic light emitting diode, a switching transistor connected to the scan line, and a driving transistor to apply a current to the organic light emitting diode. The blocking layer is in an area that overlaps the switching transistor on a plane, and between the switching transistor and the flexible substrate, and receives a voltage through a contact hole that exposes the blocking layer.

公开(公告)号：US10950177B2

公开(公告)日：2021-03-16

申请号：US16279746

申请日：2019-02-19

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Young In Hwang ,  Jin Woo Park ,  Yong Ho Yang

IPC: G09G3/3258 ,  G09G3/3266 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

Abstract: A display device may include a first pixel coupled to an emission control line, and an emission control stage for selectively coupling the emission control line to a first or second supply voltage line. The emission control stage may include: a first emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the emission control line, and a main gate electrode coupled to a first node; a second emission control transistor including a first electrode coupled to the emission control line, a second electrode coupled to the second supply voltage line, and a main gate electrode coupled to a second node; and a third emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the first node, a main gate electrode coupled to the second node, and a sub-gate electrode.

公开(公告)号：US20200005708A1

公开(公告)日：2020-01-02

申请号：US16356142

申请日：2019-03-18

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNG-IN HWANG ,  Sung Ho Kim ,  Yong Ho Yang ,  Seong Min Wang

IPC: G09G3/3233 ,  H01L51/00 ,  H01L27/32 ,  G09G3/3258

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a first gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20190279567A1

公开(公告)日：2019-09-12

申请号：US16285080

申请日：2019-02-25

Applicant: Samsung Display Co., Ltd.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Eung Taek Kim ,  Yong Ho Yang ,  Seong Min Wang ,  Jung-Mi Choi

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

Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.

公开(公告)号：US10222825B2

公开(公告)日：2019-03-05

申请号：US14852643

申请日：2015-09-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seong Min Wang ,  MuGyeom Kim ,  Soo Youn Kim ,  Hyeonjeong Sang ,  Jae Won Lee

IPC: B60K35/00 ,  G06F1/16 ,  B60R11/02 ,  G09F9/30 ,  H05K5/00 ,  H05K5/02 ,  G09F21/04 ,  G02F1/1333 ,  B60R11/00

Abstract: An automotive display device on which an image may be displayed, the automotive display device being for a vehicle interior, the automotive display device including an automotive frame, at least part of the automotive frame being bendable; and a bending controller to control bending of the automotive frame.

公开(公告)号：US09356076B2

公开(公告)日：2016-05-31

申请号：US14519707

申请日：2014-10-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seong Min Wang ,  Byeong Hoon Cho

IPC: H01L27/32 ,  H01L27/14 ,  H01L31/02 ,  H01L51/52 ,  H01L27/146 ,  H01L27/148 ,  H01L31/0216

CPC classification number: H01L27/3225 ,  H01L27/14623 ,  H01L27/14818 ,  H01L27/323 ,  H01L27/3244 ,  H01L27/326 ,  H01L31/02162 ,  H01L31/02164 ,  H01L51/5253 ,  H01L2227/323

Abstract: An organic light emitting diode display including a pixel that includes a light-emitting device and a first thin film transistor connected to the light-emitting device; and a sensor that includes a light sensing element, wherein the light sensing element includes a gate electrode; an active layer on the gate electrode; a filter layer on the active layer; and source and drain electrodes on the active layer, the source and drain electrodes being connected to the active layer, the light sensing element and the first thin film transistor are formed on a same substrate, and one of the gate electrode and the active layer of the light sensing element and a gate electrode of the first thin film transistor are aligned on a same layer.

Abstract translation: 一种有机发光二极管显示器，包括包括发光器件的像素和连接到所述发光器件的第一薄膜晶体管; 以及包括感光元件的传感器，其中所述光感测元件包括栅电极; 栅电极上的有源层; 活性层上的过滤层; 以及有源层上的源极和漏极，源极和漏极连接到有源层，光感测元件和第一薄膜晶体管形成在同一个衬底上，并且栅电极和有源层之一 光敏元件和第一薄膜晶体管的栅电极在同一层上对准。

公开(公告)号：US09318539B2

公开(公告)日：2016-04-19

申请号：US14595110

申请日：2015-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Mu Gyeom Kim

IPC: H01L27/32

CPC classification number: H01L27/3225 ,  H01L27/3211 ,  H01L27/3246 ,  H01L2251/5338

Abstract: An organic light emitting diode display and a manufacturing method thereof are disclosed. The organic light emitting diode display includes: a flexible upper substrate; a first piezoelectric material layer and a second piezoelectric material layer formed inside the upper substrate; a pair of first electrodes brought into contact with the first piezoelectric material layer; a pair of second electrodes brought into contact with the second piezoelectric material layer; a flexible lower substrate disposed to face the upper substrate, and to have an organic light emission layer; and an opposed electrode disposed to protrude toward an inner side of the lower substrate and to face the pair of second electrodes, wherein a first sensor includes the first piezoelectric material layer and the pair of first electrodes, and a second sensor includes the second piezoelectric material layer, the pair of second electrodes, and the opposed electrode.

Abstract translation: 公开了一种有机发光二极管显示器及其制造方法。 有机发光二极管显示器包括：柔性上基板; 第一压电材料层和形成在所述上基板内的第二压电材料层; 与第一压电材料层接触的一对第一电极; 与第二压电材料层接触的一对第二电极; 设置成面对上基板的柔性下基板，并具有有机发光层; 以及设置成朝向所述下基板的内侧突出并且面对所述一对第二电极的相对电极，其中第一传感器包括所述第一压电材料层和所述一对第一电极，并且第二传感器包括所述第二压电材料 层，该对第二电极和相对电极。