公开(公告)号：US12002426B2

公开(公告)日：2024-06-04

申请号：US18084096

申请日：2022-12-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Eunju Kim

IPC: G09G3/3233 ,  H10K59/121

CPC classification number: G09G3/3233 ,  G09G2300/0421 ,  G09G2300/0819 ,  G09G2320/0252 ,  H10K59/1216

Abstract: A pixel includes a light-emitting device, a driving TFT for controlling a magnitude of a current from a power line to the light-emitting device according to a gate-source voltage, a storage capacitor disposed between the power line and a gate of the driving TFT, a scan TFT to transfer a data voltage to a source of the driving TFT in response to a first signal, first and second compensation TFTs serially connected between a drain and the gate of the driving TFT, a gate initialization TFT to apply a first voltage to the gate of the driving TFT in response to a second signal, an anode initialization TFT to apply a second voltage to an anode of the light-emitting device in response to a third signal, and a shield capacitor disposed between a node between the first and second compensation TFTs and the power line or a second voltage line.

公开(公告)号：US11665947B2

公开(公告)日：2023-05-30

申请号：US16943297

申请日：2020-07-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan Kim ,  Chulkyu Kang ,  Soohee Oh ,  Dongsun Lee

IPC: H01L27/32

CPC classification number: H01L27/3218 ,  H01L27/3246 ,  H01L27/3276

Abstract: A display panel includes a first unit pixel including a first pixel electrode for emitting red light, a first pixel electrode for emitting blue light, and a first pixel electrode for emitting green light. A second unit pixel neighbors the first unit pixel and includes a second pixel electrode for emitting red light, a second pixel electrode for emitting blue light, and a second pixel electrode for emitting green light. The first unit pixel further includes a first red emission layer disposed on the first pixel electrode for emitting red light. The second unit pixel further includes a second red emission layer disposed on the second pixel electrode for emitting red light. The first red emission layer is spaced apart from the second red emission layer in the first direction.

公开(公告)号：US20230053847A1

公开(公告)日：2023-02-23

申请号：US18045761

申请日：2022-10-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONGWOO KIM ,  Sunghwan Kim ,  Kyoungju Shin ,  Cheol-Gon Lee ,  Sang-Uk Lim

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12 ,  G01N11/02 ,  G01N27/416 ,  G01N33/18

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US20210193749A1

公开(公告)日：2021-06-24

申请号：US17006028

申请日：2020-08-28

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Wonkyu Kwak

IPC: H01L27/32

Abstract: A display panel and a display apparatus including the display panel are provided. A display panel includes: a substrate including a first region and a second region, the second region including a transmission portion; main pixels located in the first region, including a first main pixel, a second main pixel, and a third main pixel, and arranged in an RGBG pentile matrix structure; and auxiliary pixels located in the second region, including a first auxiliary pixel, a second auxiliary pixel, and a third auxiliary pixel, and arranged in an RBGB pentile matrix structure different from the RGBG pentile matrix structure of the main pixels.

公开(公告)号：US10276123B2

公开(公告)日：2019-04-30

申请号：US15051621

申请日：2016-02-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junhyun Park ,  Sunghwan Kim ,  Seyoung Song ,  Kyoungju Shin

IPC: G09G5/00 ,  G09G3/36

Abstract: A display apparatus includes: a display panel including pixels respectively connected to gate lines and data lines; a data driving circuit to output a data output signal in response to a data signal; a demultiplexer circuit to provide first and second data lines from among the data lines with the data output signal, in response to control signals; and a driving controller to provide the data signal and the control signals. The demultiplexer circuit includes: a switching transistor including a first electrode to receive the data output signal, a second electrode connected to the first data line, and a gate electrode connected to a first node; and a switching control circuit to charge the first node to turn on the switching transistor during a first interval of a first horizontal period, and to discharge the first node during a second interval of the first horizontal period.

公开(公告)号：US20180061922A1

公开(公告)日：2018-03-01

申请号：US15689050

申请日：2017-08-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan Kim ,  Junhyun Park ,  Kyoungju Shin ,  Ansu Lee ,  Byunggeun Jun ,  Chongchul Chai

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/786 ,  H01L51/56

CPC classification number: H01L27/3262 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3265 ,  H01L29/7869 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic light emitting device includes an organic light emitting diode including an anode and a cathode, a driving transistor including a first semiconductor layer, wherein the driving transistor is electrically connected to the anode of the organic light emitting diode, and a control transistor including a second semiconductor layer including a different material from the first semiconductor layer and configured to control the driving transistor. The first semiconductor layer includes a first channel part, and first and second contact parts, and the second semiconductor layer includes a second channel part, and third and fourth contact parts. One of the first and second contact parts directly contacts one of the third and fourth contact parts.

公开(公告)号：US20170185185A1

公开(公告)日：2017-06-29

申请号：US15229021

申请日：2016-08-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngseok Yoo ,  Jeongheon Lee ,  Sunghwan Kim ,  Heewoong Park ,  Kangwon Lee ,  Youngsik Kim ,  Innam Lee

IPC: G06F3/044 ,  G06F3/045

CPC classification number: G06F3/044 ,  G06F3/045 ,  G06F2203/04103 ,  G06F2203/04107 ,  G06F2203/04111

Abstract: A touch panel includes a substrate, touch electrodes on the substrate and arranged along one direction, and an upper buffer member on the substrate and including a first buffer part overlapping the touch electrodes along the one direction, and a second buffer part between the touch electrodes.

公开(公告)号：US20160380064A1

公开(公告)日：2016-12-29

申请号：US14989923

申请日：2016-01-07

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park ,  Sunghwan Kim ,  Seyoung Song ,  Kyoungju Shin

IPC: H01L29/417 ,  H01L29/786 ,  H01L29/10 ,  H01L27/12

CPC classification number: H01L29/41733 ,  H01L27/124 ,  H01L29/1033 ,  H01L29/78618 ,  H01L29/78669 ,  H01L29/78678 ,  H01L29/7869

Abstract: A thin film transistor substrate includes: a substrate; and a thin film transistor including a gate electrode on the substrate, an active layer on the gate electrode, and a source electrode and a drain electrode on the active layer. Within the thin film transistor, at least one of the source electrode and the drain electrode defines a plurality of branch electrodes thereof and a main electrode to which the plurality of branch electrodes is commonly connected. Each of the plurality of branch electrodes overlaps the gate electrode.

Abstract translation: 薄膜晶体管衬底包括：衬底; 以及薄膜晶体管，其在基板上包括栅电极，栅电极上的有源层以及有源层上的源电极和漏电极。 在薄膜晶体管内，源电极和漏电极中的至少一个限定了多个分支电极和多个分支电极共同连接的主电极。 多个分支电极中的每一个与栅电极重叠。

公开(公告)号：US12167658B2

公开(公告)日：2024-12-10

申请号：US18368569

申请日：2023-09-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Wonkyu Kwak

IPC: H01L29/08 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131 ,  H10K59/65

Abstract: A display apparatus in which a display area is expanded so that an image may be displayed even in an area where components are arranged is provided. The display apparatus includes a substrate including a first area in which a transmissive portion is located and a second area adjacent to the first area, a pixel circuit unit arranged in the first area and including a pixel circuit, a first pixel electrode arranged in the first area and electrically connected to the pixel circuit, the first pixel electrode having a first portion overlapping the pixel circuit unit and a second portion not overlapping the pixel circuit unit, and a metal pattern layer arranged between the substrate and the first pixel electrode and corresponding to the second portion.

公开(公告)号：US20240324366A1

公开(公告)日：2024-09-26

申请号：US18612089

申请日：2024-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Wonkyu Kwak ,  Daehyun Kim ,  Heyjin Shin ,  Changkyu Jin

IPC: H10K59/131 ,  H10K59/124

CPC classification number: H10K59/131 ,  H10K59/124

Abstract: A display apparatus includes a pixel electrode in which an emission area is defined, a first horizontal conductive layer extending in a first direction, a first vertical conductive layer extending in a second direction intersecting the first direction, and intersecting the first horizontal conductive layer, a second vertical conductive layer extending in the second direction and intersecting the first horizontal conductive layer, and an insulating layer disposed between the first horizontal conductive layer and the first vertical conductive layer and between the first horizontal conductive layer and the second vertical conductive layer. A first contact hole through which the first vertical conductive layer contacts the first horizontal conductive layer is defined in the insulating layer, and the first contact hole is spaced apart from the emission area.