公开(公告)号：US20210241669A1

公开(公告)日：2021-08-05

申请号：US17238166

申请日：2021-04-22

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Hwa CHOI ,  Sun Kwang KIM ,  Sang Jin JEON

IPC: G09G3/20

Abstract: A scan driver for a display device includes scan signal output circuits connected to each other through scan lines. Each scan signal output circuit includes: a drive circuit to apply a first drive signal to a first drive node, to apply a second drive signal to a second drive node, and to apply a connection signal to a connection signal output node based on i) an input signal which is one of either a scan start signal or a scan signal applied by another scan signal output circuit, ii) a clock signal, and iii) an on-level voltage; and a buffer circuit to receive the connection signal, the first drive signal, and the second drive signal from the drive circuit, and to output one of scan signals to one of the scan lines based on the first drive signal, the second drive signal, and the clock signal.

公开(公告)号：US20180144684A1

公开(公告)日：2018-05-24

申请号：US15805992

申请日：2017-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin JEON ,  Sang-Uk LIM

IPC: G09G3/3233 ,  G09G3/3266 ,  H01L27/32 ,  G09G3/3283

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/0417 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/0238 ,  G09G2330/023 ,  H01L27/1225 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276 ,  H01L29/78672 ,  H01L29/7869

Abstract: An OLED display device includes a pixel having a switching transistor turned on by a scan signal received from a scan line and which transmits a data signal received from a data line to a first node, a driving transistor connected between the first node and a second node and through which a driving current corresponding to the data signal flows, a storage capacitor including one end connected to a power supply and another end connected to a gate electrode of the driving transistor, an OLED emitting light by the driving current, and a light emission control transistor connected between the second node and an anode of the OLED and which is turned on by an light emission control signal and transmits the driving current to the OLED. The switching transistor may be an n-type transistor, and the light emission control transistor is a p-type transistor.

公开(公告)号：US20150070645A1

公开(公告)日：2015-03-12

申请号：US14250138

申请日：2014-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin JEON ,  Sang Uk LIM ,  Mee Hye JUNG

IPC: G02F1/1343

CPC classification number: G02F1/134336 ,  G02F2001/134318

Abstract: Provided are display device. According to an aspect of the present invention, there is provided a display device comprising a first substrate, a gate wiring which is formed on the first substrate and extends in a first direction, a data wiring which is insulated from the gate wiring, intersects the gate wiring, and extends in a second direction, and a pixel electrode which comprises a first subpixel electrode to which a first data voltage is applied from the data wiring and a second subpixel electrode to which a second data voltage lower than the first data voltage is applied from the data wiring, wherein the first subpixel electrode is surrounded by the second subpixel electrode, and the second subpixel electrode does not overlap the data wiring.

Abstract translation: 提供的是显示设备。 根据本发明的一个方面，提供了一种显示装置，包括第一基板，形成在第一基板上并沿第一方向延伸的栅极布线，与栅极布线绝缘的数据布线与 栅极布线，并且沿第二方向延伸;以及像素电极，其包括从数据布线施加第一数据电压的第一子像素电极和低于第一数据电压的第二数据电压的第二子像素电极 其中所述第一子像素电极被所述第二子像素电极包围，并且所述第二子像素电极不与所述数据布线重叠。

公开(公告)号：US20230230533A1

公开(公告)日：2023-07-20

申请号：US18066111

申请日：2022-12-14

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jung Hwan HWANG

IPC: G09G3/32 ,  H01L25/16 ,  H01L27/12

CPC classification number: G09G3/32 ,  H01L25/167 ,  H01L27/124 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/026 ,  H01L24/05

Abstract: A display device includes a scan write line configured to receive a scan write signal, a scan initialization line configured to receive a scan initialization signal, a sweep signal line configured to receive a sweep signal, a first data line configured to receive a first data voltage, a second data line configured to receive a second data voltage, and a subpixel connected to the scan write line, the scan initialization line, the sweep signal line, the first data line, and the second data line. The subpixel includes a light-emitting element, a first pixel driver including a first transistor configured to generate a control current according to the first data voltage of the first data line, and a second pixel driver including an eighth transistor configured to generate a driving current applied to the light-emitting element according to the second data voltage.

公开(公告)号：US20230121681A1

公开(公告)日：2023-04-20

申请号：US17807690

申请日：2022-06-17

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jun Ki JEONG

IPC: G09G3/32

Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.

公开(公告)号：US20230119036A1

公开(公告)日：2023-04-20

申请号：US17849277

申请日：2022-06-24

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jun Ki JEONG

IPC: G09G3/22

Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.

公开(公告)号：US20230082959A1

公开(公告)日：2023-03-16

申请号：US17842927

申请日：2022-06-17

Applicant: Samsung Display Co., LTD.

Inventor： Jun Ki JEONG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jung Hwan HWANG

IPC: G09G3/32

Abstract: A display device includes a display area which displays an image, and a non-display area disposed around the display area and including a pad part. The display area includes pixels of a first pixel row which are pixels arranged in a first direction along the first pixel row, pixels of a second pixel row, which are pixels arranged in the first direction along the second pixel row next to the first pixel row, and pixel circuits of a first circuit row which are pixel circuits arranged in the first direction along the first circuit row, where the pixel circuits of the first circuit row are electrically connected to the pixels of the first pixel row, respectively. The first pixel row and the first circuit row are spaced apart from each other with the second pixel row interposed therebetween.

公开(公告)号：US20250104603A1

公开(公告)日：2025-03-27

申请号：US18976312

申请日：2024-12-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jun Ki JEONG

IPC: G09G3/22 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3241 ,  G09G3/36

Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.

公开(公告)号：US20240194127A1

公开(公告)日：2024-06-13

申请号：US18486985

申请日：2023-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin JEON ,  Min Chul SHIN ,  Jung Hwan HWANG ,  Sung Hwan KIM ,  Ji Youn SEO ,  Kye Uk LEE

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/026 ,  G09G2310/0275 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0209

Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.

公开(公告)号：US20240112626A1

公开(公告)日：2024-04-04

申请号：US18528761

申请日：2023-12-04

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jun Ki JEONG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2320/0633

Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.