公开(公告)号：US11521561B2

公开(公告)日：2022-12-06

申请号：US17395979

申请日：2021-08-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan Kim ,  Chul Kyu Kang ,  Hyun-Chol Bang ,  Soo Hee Oh ,  Dong Sun Lee

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

Abstract: A display device includes: scan, control, and emission control signal lines, signals transmitted thereby being different from one another; data and driving voltage lines; a first transistor including a first gate electrode and first source and drain; a second transistor including a second gate electrode connected to a first scan line, a second source connected to a first data line, and a second drain connected to the first source; a light-emitting element; a control transistor including a control gate electrode connected to a first control line and between the driving voltage line and the first source or the light-emitting element and the first drain; and an emission control transistor in series between the light-emitting element and the control transistor, the control transistor and the first transistor, or the driving voltage line and the control transistor, and an emission control gate electrode connected to the emission control signal line.

公开(公告)号：US11270640B2

公开(公告)日：2022-03-08

申请号：US17099677

申请日：2020-11-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong Jae Kim ,  Jin Jeon ,  Chul Kyu Kang

IPC: G09G3/3233 ,  H01L51/52 ,  H01L27/32 ,  G09G3/3266

Abstract: An organic light emitting display device driven at a first driving frequency or a second driving frequency lower than the first driving frequency includes pixels coupled to first scan lines, second scan lines, and data lines, a first scan driver configured to supply scan signals to the first scan lines during a first period and a second period in one frame period, when the organic light emitting display device is driven at the second driving frequency, a second scan driver configured to supply scan signals to the second scan lines during the first period, when the organic light emitting display device is driven at the second driving frequency, and a data driver configured to supply a data signal to the data lines during the first period.

公开(公告)号：US11195896B2

公开(公告)日：2021-12-07

申请号：US16433182

申请日：2019-06-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Hwan Kim ,  Won Kyu Kwak ,  Sang Moo Choi ,  Ji-Hyun Ka ,  Chul Kyu Kang ,  Dong Wook Kim ,  Won Se Lee

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/56

Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.

公开(公告)号：US10789890B2

公开(公告)日：2020-09-29

申请号：US16503106

申请日：2019-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu Kang ,  Sangmoo Choi ,  Dae Hyun Kim ,  Dongsun Lee

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/3275 ,  G09G3/3233

Abstract: A display device includes a display panel including a plurality of pixels and a panel driver that drives the display panel. Each of the pixels includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a first capacitor, and an emission element.

公开(公告)号：US09953576B2

公开(公告)日：2018-04-24

申请号：US14971877

申请日：2015-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jung-Mi Choi ,  Chul Kyu Kang ,  Kyung Hoon Chung

IPC: G09G3/36 ,  G09G3/3258 ,  H01L27/32 ,  G09G3/20 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3225

CPC classification number: G09G3/3258 ,  G09G3/2003 ,  G09G3/2018 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/027 ,  G09G2310/0278 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2330/028 ,  H01L27/3223 ,  H01L27/3276

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a display substrate including a display area and a peripheral area surrounding the display area. Scan lines are formed over the display substrate and configured to transmit a scan signal, data lines and driving voltage lines crossing the scan lines are configured to respectively provide a data signal and a driving voltage, and switching elements are electrically connected to the scan lines and data lines. Pixel electrodes are electrically connected to the switching elements, an organic emission layer is formed over the pixel electrodes, and a common electrode is formed over the organic emission layer. A common voltage line is formed substantially parallel to the data lines and configured to transmit a common voltage to the common electrode.

公开(公告)号：US20160329393A1

公开(公告)日：2016-11-10

申请号：US15147716

申请日：2016-05-05

Applicant: Samsung Display Co., Ltd.

Inventor： Il Hun Seo ,  Chul Kyu Kang ,  Byoung Ki Kim ,  Young Jun Shin ,  Jae Beom Choi

IPC: H01L27/32 ,  G09G3/3225 ,  G09G3/3275 ,  G09G3/3266

CPC classification number: H01L27/3262 ,  G09G3/2022 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2310/0243 ,  G09G2310/027 ,  G09G2310/08 ,  G09G2330/028 ,  G09G2330/045 ,  H01L27/3246 ,  H01L27/3276

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate, a switching transistor formed over the substrate, a driving transistor electrically connected to the switching transistor, and a pixel electrode electrically connected to the driving transistor. The display also includes a pixel definition layer covering the pixel electrode and having a pixel opening, an organic emission layer formed only in the pixel opening and connected to the pixel electrode, and a common electrode formed over the organic emission layer. The pixel definition layer is formed over the driving transistor.

Abstract translation: 公开了一种有机发光二极管（OLED）显示器。 一方面，显示器包括：衬底，形成在衬底上的开关晶体管，与开关晶体管电连接的驱动晶体管，以及与驱动晶体管电连接的像素电极。 显示器还包括覆盖像素电极并具有像素开口的像素限定层，仅在像素开口形成并连接到像素电极的有机发射层，以及形成在有机发射层上的公共电极。 像素限定层形成在驱动晶体管的上方。

公开(公告)号：US20160148988A1

公开(公告)日：2016-05-26

申请号：US14858483

申请日：2015-09-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Jin Cho ,  Deok-Young Choi ,  Young-In Hwang ,  Chul Kyu Kang ,  Yong Jae Kim

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3276 ,  G09G3/3233 ,  G09G2300/0861 ,  H01L27/3211 ,  H01L27/3248 ,  H01L27/3262

Abstract: An organic light emitting device includes: a first transistor including a source electrode connected to a data line and a gate electrode connected to a scan line; a second transistor including a source electrode connected to a driving voltage and a gate electrode connected to a drain electrode of the first transistor; a capacitor connected between the gate electrode of the second transistor and the source electrode of the second transistor; an organic light emitting diode connected to a drain electrode of the second transistor; and a third transistor connected to the organic light emitting diode and a common voltage.

Abstract translation: 有机发光器件包括：第一晶体管，包括连接到数据线的源电极和连接到扫描线的栅电极; 第二晶体管，包括连接到驱动电压的源电极和连接到第一晶体管的漏电极的栅电极; 连接在第二晶体管的栅电极和第二晶体管的源电极之间的电容器; 连接到所述第二晶体管的漏电极的有机发光二极管; 以及连接到有机发光二极管和公共电压的第三晶体管。

公开(公告)号：US12069914B2

公开(公告)日：2024-08-20

申请号：US17532253

申请日：2021-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan Kim ,  Won Kyu Kwak ,  Sang Moo Choi ,  Ji-Hyun Ka ,  Chul Kyu Kang ,  Dong Wook Kim ,  Won Se Lee

IPC: H01L27/12 ,  H10K59/121 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/131 ,  H01L27/1222 ,  H01L27/124 ,  H10K59/121 ,  H10K71/00

Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.

公开(公告)号：US11508936B2

公开(公告)日：2022-11-22

申请号：US16924176

申请日：2020-07-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chul Kyu Kang ,  Dae Suk Kim ,  Seon Kyoon Mok ,  Il Goo Youn ,  Dong Sun Lee ,  So Young Lee ,  Ji Eun Lee ,  Jun Young Jo ,  Min Hee Choi

IPC: H01L27/14 ,  H01L27/32 ,  H01L33/44 ,  H01L51/00 ,  H01L51/52 ,  G02F1/133 ,  G06F1/16 ,  G09F9/30 ,  H01L27/146 ,  G02F1/1335 ,  G02F1/1333

Abstract: A display device includes a substrate on which an active region and a non-active region disposed are defined. The non-active region at least partially surrounds the active region. A light-emitting element is disposed in the active region on the substrate. An encapsulation layer is disposed on the light-emitting element. Block patterns are disposed in the non-active region on the substrate and at least partially surround the active region. The non-active region includes a first non-active region positioned at a first side of the active region and a second non-active region positioned at a second side of the active region. There are more block patterns disposed in the first non-active region than in the second non-active region.

公开(公告)号：US11328666B2

公开(公告)日：2022-05-10

申请号：US17167016

申请日：2021-02-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Jin Cho ,  Chul Kyu Kang ,  Young In Hwang

IPC: G09G3/3233 ,  G09G3/3258

Abstract: A pixel includes an organic light emitting diode, a first transistor configured to control an amount of a current flowing from a first power to a second power via a second node and the organic light emitting diode in response to a voltage of a first node, a first capacitor between the first node and a third node, a second capacitor between the second node and the third node, a second transistor between the third node and a data line and including a gate electrode coupled to a scan line, and a third transistor between the first power and the second node and including a gate electrode coupled to a first emission control line.