公开(公告)号：US11348512B2

公开(公告)日：2022-05-31

申请号：US16881738

申请日：2020-05-22

Applicant: Samsung Display Co., LTD.

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

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3225

Abstract: A pixel for a display device includes a light-emitting element, a first transistor including a first electrode electrically connected to a first node and controlling a driving current, a second transistor electrically connected between a data line and the first node and being turned on in response to a first scan signal supplied through a first scan line, a third transistor electrically connected between the second node and a third node electrically connected to a second electrode of the first transistor and being turned on in response to the first scan signal, and a fourth transistor being turned on in response to a second scan signal supplied through a second scan line, and applying a bias voltage to the first transistor. The fourth transistor is turned on at a first frequency. The second and third transistors are turned on at a second frequency different from the first frequency.

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：US11244967B2

公开(公告)日：2022-02-08

申请号：US16996504

申请日：2020-08-18

Applicant: Samsung Display Co., LTD.

Inventor： Dong-Hwi Kim ,  Jin Jeon

IPC: G09G3/30 ,  H01L27/12 ,  G09G3/32 ,  H01L27/15 ,  H01L27/32

Abstract: A display device includes a first region and a second region each including a plurality of pixels, and a plurality of wires connected to the plurality of pixels, respectively, to transmit a signal, where the number of pixels per unit area in the second region is less than the number of pixels per unit area in the first region, and the number of wires per unit area in the second region is less than the number of wires per unit area in the first region.

公开(公告)号：US20210343227A1

公开(公告)日：2021-11-04

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

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：US20210118365A1

公开(公告)日：2021-04-22

申请号：US17137794

申请日：2020-12-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Hwi Kim ,  Na Young Kim ,  Chul Ho Kim ,  Wang Jo Lee ,  Jin Jeon

IPC: G09G3/3233 ,  G09G3/3275 ,  G09G3/3266 ,  H01L27/32

Abstract: A pixel circuit includes first to fifth transistors, a capacitor, and a light emitting element. The first transistor is coupled between first and second power lines, and includes a gate electrode coupled to a first node and a back-gate electrode coupled to a second node. The second transistor is coupled between a data line and the first node, and includes a gate electrode coupled to a first scan line. The third transistor is coupled between a third power line and the first node, and includes a gate electrode coupled to a reference scan line. The fourth transistor is coupled between a second node and a fourth power line, and includes a gate electrode coupled to a second scan line. The fifth transistor is coupled between a first power line and the one electrode of the first transistor, and includes a gate electrode coupled to a light-emitting control line.

公开(公告)号：US10854690B2

公开(公告)日：2020-12-01

申请号：US16686800

申请日：2019-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Injun Bae ,  Donghwi Kim ,  Chulho Kim ,  Jin Jeon

IPC: H04L27/32 ,  H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a substrate including a display area and a sensor area, the sensor area including an auxiliary display area and a transmitting area, first display elements arranged over the display area, second display elements arranged over the auxiliary display area, transmitting units arranged in the transmitting area and configured to transmit at least a portion of light incident on the transmitting units, and an optical layer including a mesh pattern covering at least the second display elements.

公开(公告)号：US10720108B2

公开(公告)日：2020-07-21

申请号：US16505653

申请日：2019-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Jeon

IPC: G09G3/3258 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

Abstract: An organic light emitting display device may include a display panel, a power supply, and a display driver. The display panel may comprise a plurality of scan lines, a plurality of data lines, and a plurality of pixels connected to the scan lines and to the data lines. The power supply may supply a first pixel voltage and a second pixel voltage to the pixels. The display driver may control the display panel. The display panel may display a first image in a first frame frequency during a first driving mode, and display a second image in a second frame frequency that is lower than the first frame frequency during a second driving mode, according to a control by the display driver.

公开(公告)号：US10566406B2

公开(公告)日：2020-02-18

申请号：US16144276

申请日：2018-09-27

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：US20180158410A1

公开(公告)日：2018-06-07

申请号：US15885513

申请日：2018-01-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Jeon

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0247 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/3262 ,  H01L27/3272 ,  H01L27/3276

Abstract: An OLED display is disclosed. In one aspect, the display includes a scan line transmitting a scan signal, a data line crossing the scan line and transmitting a data voltage, and a driving voltage line crossing the scan line and configured to transmit a driving voltage. The display also includes a switching transistor electrically connected to the scan line and the data line. The display further includes a driving transistor and a compensation transistor. A driving gate electrode and a driving drain electrode are respectively connected to a compensation source electrode and a compensation drain electrode. The display also includes a light blocking layer at least partially covering the compensation transistor and an OLED electrically connected to the driving transistor.

公开(公告)号：US09552770B2

公开(公告)日：2017-01-24

申请号：US14597100

申请日：2015-01-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa-Young Song ,  Dong-Hwi Kim ,  Jin Jeon

IPC: G09G5/10 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0861 ,  G09G2320/0606 ,  G09G2320/0613

Abstract: An emission driver, organic light-emitting diode (OLED) display including the same, and electronic device are disclosed. In one aspect, the emission driver includes first through (n)th emission circuits configured to output a plurality of emission control signals. The emission circuits are connected to a display panel of an OLED display via emission-lines. The emission driver also includes a plurality of first switches configured to electrically connect the emission circuits in series when the first switches are turned on and a plurality of second switches configured to electrically connect the emission circuits in parallel when the second switches are turned on. The second switches are further configured to be turned off when the first switches are turned on and the second switches are further configured to be turned on when the first switches are turned off.

Abstract translation: 公开了一种包括其的发射驱动器，有机发光二极管（OLED）显示器和电子设备。 一方面，发射驱动器包括被配置为输出多个发射控制信号的第一至第（n）个发射电路。 发射电路通过发射线连接到OLED显示器的显示面板。 发射驱动器还包括多个第一开关，其被配置为当第一开关导通时将串联的发射电路电连接，并且多个第二开关被配置为当第二开关导通时并联电连接发射电路。 第二开关进一步构造成当第一开关被接通时被关断，并且第二开关进一步被配置为当第一开关被断开时被接通。