公开(公告)号：US20230343277A1

公开(公告)日：2023-10-26

申请号：US18217960

申请日：2023-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Gon LEE ,  Hee Jean PARK ,  Hee Rim SONG ,  Yu Jin LEE ,  Mu Kyung JEON

IPC: G06V40/13 ,  G09G3/32

CPC classification number: G09G3/32 ,  G06V40/1318 ,  G09G2300/0413 ,  G09G2300/0809 ,  G09G2330/028

Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.

公开(公告)号：US20230140604A1

公开(公告)日：2023-05-04

申请号：US17860676

申请日：2022-07-08

Applicant: Samsung Display. Co., Ltd

Inventor： Min Jae JEONG ,  Jang Mi KANG ,  Hyeong Seok KIM ,  Jun Hyun PARK ,  Mu Kyung JEON

IPC: G09G3/3258 ,  G09G3/3266

Abstract: A pixel includes a light emitting element, a first transistor connected between first and second nodes and that generates a driving current flowing from a first power line to a second power line through the light emitting element, a second transistor connected between a data line and the first node and turned on in response to a fourth scan signal, a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor and turned on in response to a second scan signal, a fourth transistor connected between the third node and a third power line providing a third power voltage and turned on in response to a first scan signal, and a fifth transistor connected between the first and fourth nodes and turned on in response to a fifth scan signal.

公开(公告)号：US20230117741A1

公开(公告)日：2023-04-20

申请号：US18084939

申请日：2022-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Rim SONG ,  Gyung Soon PARK ,  Mu Kyung JEON

IPC: G09F9/30 ,  G02F1/1333 ,  H10K77/10 ,  H10K59/121 ,  H10K59/131

Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.

公开(公告)号：US20230006020A1

公开(公告)日：2023-01-05

申请号：US17929535

申请日：2022-09-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  Il Nam KIM ,  Ji Hun RYU ,  Ki Hyun PYO

IPC: H01L27/32 ,  H01L25/18 ,  G09G3/3258 ,  G09G3/3233 ,  G06F3/041 ,  G06V40/13

Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.

公开(公告)号：US20200161388A1

公开(公告)日：2020-05-21

申请号：US16750151

申请日：2020-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  II Gon KIM

IPC: H01L27/32 ,  H01L51/52 ,  G06K9/00

Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.

公开(公告)号：US20190385522A1

公开(公告)日：2019-12-19

申请号：US16409471

申请日：2019-05-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Rim SONG ,  Mu Kyung JEON ,  Mee Hye JUNG

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

Abstract: A display device includes a plurality of pixels arranged in a first direction; a first data line extending along a first edge of the pixel row; a second data line extending along a second edge of the pixel row; a first pixel connected to the first data line; and a second pixel adjacent to the first pixel and connected to the second data line. Each of the first and second pixels includes a light emitting diode, a first transistor to transmit a driving current to the light emitting diode, a second transistor to transmit a data signal to the first transistor, a third transistor to transmit the data signal having a compensated threshold voltage to the first transistor, and a fourth transistor to transmit an initialization voltage signal to the first transistor. The first and second transistors are PMOS transistors. The third and fourth transistors are NMOS transistors.

公开(公告)号：US20190034688A1

公开(公告)日：2019-01-31

申请号：US16000259

申请日：2018-06-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  Mee Hye JUNG

IPC: G06K9/00 ,  G01D5/24 ,  G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06F21/32

Abstract: A fingerprint sensor includes: sensor pixels, each including a first transistor which controls a sensing signal to be outputted to a corresponding one of output lines; power lines disposed on a vertical line basis and each electrically connected to sensor pixels disposed on a corresponding vertical line; and a power supply unit which supplies reference voltages to the power lines. The power supply unit supplies the reference voltages, which is adjusted on the vertical line basis, to the power lines.

公开(公告)号：US20180350891A1

公开(公告)日：2018-12-06

申请号：US15994743

申请日：2018-05-31

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Sun KIM ,  Jang Mi KANG ,  Sun Hwa LEE ,  Mu Kyung JEON

IPC: H01L27/32 ,  G09G3/3258

Abstract: A display device includes a substrate, first and second transistors on the substrate, a first electrode connected to one of the first and second transistors, a second electrode facing the first electrode, and a light emission member between the first and second electrodes, where the first transistor includes a first channel including a polycrystalline semiconductor member on the substrate, a first source electrode and a first drain electrode at respective opposite sides of the first channel, a first gate electrode overlapping the first channel, and a first insulating layer covering the first gate electrode, the second transistor includes a second gate electrode on the first insulating layer, a second channel including an oxide semiconductor member on the second gate electrode, second source and drain electrodes on the second channel, and an external light blocking member on the second source and drain electrodes and overlapping the second channel.

公开(公告)号：US20160372037A1

公开(公告)日：2016-12-22

申请号：US15078876

申请日：2016-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun LIM ,  Hee Rim SONG ,  Mu Kyung JEON ,  Chong Chul CHAI

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

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/0219 ,  G09G2320/0233 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: A pixel includes: an organic light emitting diode including a cathode electrode connected to a second power source; a first transistor including a first electrode connected to a first power source, and to control an amount of current flowing from the first power source to the second power source via the organic light emitting diode in response to a data signal; a plurality of second transistors connected in series between a gate electrode of the first transistor and an initialization power source, and to be turned on when a scan signal is supplied to an i−1-th (i is a natural number) scan line; and a first capacitor connected between a voltage source and a first node, the first node being between the plurality of second transistors.

Abstract translation: 像素包括：有机发光二极管，包括连接到第二电源的阴极; 第一晶体管，包括连接到第一电源的第一电极，并且响应于数据信号，经由有机发光二极管控制从第一电源流向第二电源的电流量; 多个第二晶体管串联连接在第一晶体管的栅电极和初始化电源之间，并且当向第i-1（i为自然数）扫描线提供扫描信号时导通; 以及连接在电压源和第一节点之间的第一电容器，所述第一节点位于所述多个第二晶体管之间。