公开(公告)号：US11515338B2

公开(公告)日：2022-11-29

申请号：US16832796

申请日：2020-03-27

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Bum Lee ,  Chui Ho Kim ,  Yun Hwan Park ,  In Jun Bae ,  Woo Ri Seo ,  Jin Jeon

IPC: H01L27/14 ,  H01L27/12 ,  H01L23/552 ,  H01L31/14 ,  G09G3/3233

Abstract: A display device includes: a substrate; an active layer; a first insulating layer on the active layer; a gate electrode; a second insulating layer on the first conductive layer; a second conductive layer on the second insulating layer; a third insulating layer on the second conductive layer; and a source electrode connected to the source region of the first active pattern through a contact hole passing through the first insulating layer and the second insulating layer, and a drain electrode connected to the drain region, wherein the first active pattern, the gate electrode, the source electrode and the drain electrode constitute a thin film transistor, the display device further comprising at least one light shielding pattern around the thin film transistor, wherein the light shielding pattern includes a side light shielding pattern such that the third conductive layer passes through at least the third insulating layer.

公开(公告)号：US11455938B2

公开(公告)日：2022-09-27

申请号：US17367396

申请日：2021-07-04

Applicant: Samsung Display Co., Ltd.

Inventor： Kyong Hwan Oh ,  Ji Hyun Ka ,  Ki Myeong Eom ,  Hai Jung In ,  Jin Jeon ,  Won Kyu Kwak ,  Hyun Lee ,  Hwan Soo Jang ,  Jin Tae Jeong

IPC: G09G3/20 ,  G09G3/3233

Abstract: A display device includes pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver to supply a scan signal to each of the first scan lines at a first frequency to drive the display device at a first driving frequency, and to supply the scan signal to each of the first scan lines at a second frequency to drive the display device at a second driving frequency lower than the first driving frequency; a second scan driver to supply a scan signal to each of the second scan lines at the first frequency to drive the display device at the first driving frequency, and to supply the scan signal to each of the second scan lines at the second frequency to drive the display device at the second driving frequency; an emission driver to supply an emission control signal to each of the emission control lines at the first frequency; and a data driver to supply a data signal to each of the data lines in response to the scan signal supplied to each of the first scan lines.

公开(公告)号：US11309369B2

公开(公告)日：2022-04-19

申请号：US16748508

申请日：2020-01-21

Applicant: Samsung Display Co., Ltd.

Inventor： Injun Bae ,  Donghwi Kim ,  Chulho Kim ,  Woori Seo ,  Jin Jeon ,  Jinkoo Chung

IPC: H01L27/32 ,  G09G3/3266

Abstract: Provided is a display apparatus including a substrate having a display area including a main pixel, and a sensor area including a sub-pixel and a transmission portion, a plurality of first lines arranged in the sensor area, extending in a first direction, and bypassing the transmission portion, and a first electrode layer under the plurality of first lines, between the sub-pixel and the transmission portion, and at least partially overlapping a spacing region between the plurality of first lines.

公开(公告)号：US20220069045A1

公开(公告)日：2022-03-03

申请号：US17357894

申请日：2021-06-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kohei Ebisuno ,  Kwanyong Pak ,  Youngwon Kim ,  Jinseok Oh ,  Jin Jeon ,  Jingoo Jung ,  Kyunghyun Choi

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/52

Abstract: A display apparatus includes a main display area, and a component area including pixel groups spaced apart from each other and a transmission area between the pixel groups. The display apparatus further includes a substrate including a first base layer, a compensation layer, a first barrier layer, and a second barrier layer sequentially stacked on one another, a bottom metal layer between the first barrier layer and the second barrier layer, a buffer layer on the second barrier layer, main display elements on the substrate of the main display area, and auxiliary display elements on the substrate of the component area.

公开(公告)号：US11222573B2

公开(公告)日：2022-01-11

申请号：US17197816

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Na Young Kim ,  Dong Hwi Kim ,  Jin Jeon

IPC: G09G3/20

Abstract: A stage circuit including: a first sub-stage circuit coupled to a first input terminal receiving an input signal, a second input terminal receiving a first clock signal, and a third input terminal receiving a second clock signal, the first sub-stage circuit controlling a voltage of a first node, a second node, and a third node based on the input signal and the first and second clock signals, and supplying a first scan signal to a first output terminal based on the voltage of the second and third nodes; and a second substage circuit coupled to the second input terminal, a fourth input terminal receiving a third clock signal, and the first and second nodes, the second sub-stage circuit supplying a second scan signal to a second output terminal based on the first and third clock signal, and the voltage of the first and second nodes.

公开(公告)号：US11176874B2

公开(公告)日：2021-11-16

申请号：US17021346

申请日：2020-09-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Na Young Kim ,  Dong Hwi Kim ,  Jin Jeon

IPC: G09G3/32

Abstract: A display device includes: a pixel unit having a plurality of pixels; a timing controller supplying respective scan start signals to a plurality of scan drivers and an emission start signal to an emission driver, in response to synchronization signals supplied from the outside; the emission driver supplying an emission signal to emission control lines connected to the pixels based on the emission start signal; the scan drivers supplying scan signals to the scan lines connected to the pixels based on the scan start signal; and a data driver supplying a data signal to data lines connected to the pixels, and at least one of a frequency of the emission start signal and frequencies of the scan start signals may be a first frequency that is determined independently of a driving frequency when the driving frequency is less than or equal to a threshold value.

公开(公告)号：US11056049B2

公开(公告)日：2021-07-06

申请号：US16826376

申请日：2020-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Jin Jeon

IPC: G09G3/32

Abstract: A display device includes pixels which are connected to first scan lines, second scan lines, third scan lines, emission control lines, and data lines; a scan driver which supplies a bias scan signal to each of the third scan lines at a first frequency and supplies a scan signal to each of the first scan line and the second scan line at a second frequency which corresponds to an image refresh rate of each of the pixels; an emission driver which supplies an emission control signal to each of the emission control lines at the first frequency; a data driver which supplies a data signal to each of the data lines at the second frequency; and a timing controller which controls driving of the scan driver, the emission driver, and the data driver.

公开(公告)号：US10991792B2

公开(公告)日：2021-04-27

申请号：US16792410

申请日：2020-02-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mi Hae Kim ,  Min Ho Ko ,  Seung Woo Sung ,  Ki Myeong Eom ,  Jin Jeon

IPC: H01L27/32 ,  G09G3/3225 ,  G09G3/3233 ,  H01L29/786

Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.

公开(公告)号：US10950157B1

公开(公告)日：2021-03-16

申请号：US17034855

申请日：2020-09-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Na Young Kim ,  Dong Hwi Kim ,  Jin Jeon

IPC: G09G3/20

Abstract: A stage circuit including: a first sub-stage circuit coupled to a first input terminal receiving an input signal, a second input terminal receiving a first clock signal, and a third input terminal receiving a second clock signal, the first sub-stage circuit controlling a voltage of a first node, a second node, and a third node based on the input signal and the first and second clock signals, and supplying a first scan signal to a first output terminal based on the voltage of the second and third nodes; and a second sub-stage circuit coupled to the second input terminal, a fourth input terminal receiving a third clock signal, and the first and second nodes, the second sub-stage circuit supplying a second scan signal to a second output terminal based on the first and third clock signal, and the voltage of the first and second nodes.

公开(公告)号：US20200227494A1

公开(公告)日：2020-07-16

申请号：US16551076

申请日：2019-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Injun Bae ,  Chulho Kim ,  Yunhwan Park ,  Jin Jeon ,  Beohmrock Choi

IPC: H01L27/32

Abstract: A display apparatus includes: a substrate including a display area and a sensor area, wherein the display area includes a first pixel, and the sensor area includes a second pixel and a transmission portion; a sensor configured to transmit a signal through the substrate via the transmission portion, wherein the second pixel includes second thin-film transistor including a semiconductor layer, and wherein a blocking layer is disposed between the sensor and the second thin-film transistor, wherein the blocking layer covers the semiconductor layer.