公开(公告)号：US12205514B2

公开(公告)日：2025-01-21

申请号：US18531708

申请日：2023-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung In ,  Ki Myeong Eom ,  Kyong Hwan Oh

IPC: G09G3/3233 ,  G09G3/20

Abstract: A pixel including a light emitting device, a first transistor including a first electrode connected to a first node electrically connected to a first power source, a second transistor connected between a data line and the first node and turned on in response to a first scan signal supplied to a first scan line, a third transistor connected between a third node connected to a second electrode of the first transistor and a second node and turned on in response to a second scan signal supplied to a second scan line, a fourth transistor turned on in response to a third scan signal, and a storage capacitor connected between the first power source and the second node, in which the second scan signal overlaps the first scan signal, and a width of the second scan signal is greater than twice a width of the first scan signal.

公开(公告)号：US20240298487A1

公开(公告)日：2024-09-05

申请号：US18648908

申请日：2024-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Sae Lee ,  Ki Myeong Eom

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/353

Abstract: A display device includes: a substrate in which a main display area, a first non-display area inside the main display area, and an auxiliary display area between the main display area and the first non-display area are defined; and a display unit including an auxiliary display and a main display. The auxiliary display is disposed on the auxiliary display area and includes a plurality of first auxiliary pixels, a plurality of second auxiliary pixels, and a plurality of third auxiliary pixels. The main display is disposed on the main display area and includes a plurality of main pixels. The plurality of first auxiliary pixels is commonly driven by a first driving signal, the plurality of second auxiliary pixels is commonly driven by a second driving signal, and the plurality of third auxiliary pixels is commonly driven by a third driving signal.

公开(公告)号：US12004390B2

公开(公告)日：2024-06-04

申请号：US17287272

申请日：2019-04-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Sae Lee ,  Ki Myeong Eom

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/353

Abstract: A display device includes: a substrate in which a main display area, a first non-display area inside the main display area, and an auxiliary display area between the main display area and the first non-display area are defined; and a display unit including an auxiliary display and a main display. The auxiliary display is disposed on the auxiliary display area and includes a plurality of first auxillary pixels, a plurality of second auxillary pixels, and a plurality of third auxillary pixels. The main display is disposed on the main display area and includes a plurality of main pixels. The plurality of first auxillary pixels is commonly driven by a first driving signal, the plurality of second auxiliary pixels is commonly driven by a second driving signal, and the plurality of third auxillary pixels is commonly driven by a third driving signal.

公开(公告)号：USRE49992E1

公开(公告)日：2024-05-28

申请号：US17723394

申请日：2022-04-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Chae Han Hyun ,  Mi Hae Kim ,  Myeong Hee Seo ,  Ki Myeong Eom ,  Ji-Eun Lee

IPC: H01L27/32 ,  G09G3/3233 ,  H01L51/52 ,  H10K50/844 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K50/844 ,  G09G3/3233 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/045

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a scan line formed over a substrate, a data line formed over the substrate, and a driving voltage line configured to receive a driving voltage. The data line and driving voltage line cross the scan line and are electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode and a driving gate electrode including a first storage electrode. A storage line includes a second storage electrode overlapping the first storage electrode. An OLED is electrically connected to the driving transistor, the second storage electrode including an extension at least partially overlapping the data line.

公开(公告)号：US11903271B2

公开(公告)日：2024-02-13

申请号：US17239027

申请日：2021-04-23

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/131 ,  G09G3/3225 ,  H10K59/124 ,  H10K59/121 ,  G09G3/3233 ,  H01L29/786

CPC classification number: H10K59/131 ,  G09G3/3225 ,  G09G3/3233 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  G09G2300/0819 ,  G09G2310/0262 ,  G09G2320/0238 ,  G09G2320/0276 ,  G09G2320/045 ,  H01L29/78696

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：US11727836B2

公开(公告)日：2023-08-15

申请号：US17575109

申请日：2022-01-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Sae Lee ,  Jung Hoon Shim ,  Won Kyu Kwak ,  Ki Myeong Eom

IPC: G09G3/00 ,  G09G3/20

CPC classification number: G09G3/006 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2330/12

Abstract: A display device includes a display panel having a display area and a peripheral area. The display device includes a circuit having a comparator, and first and second sense wires disposed in the peripheral area and connected to the circuit. The comparator compares a first output signal output from the first sense wire and a second output signal output from the second sense wire to generate a comparison result. The circuit determines whether a defect is present in the display device based on the comparison result.

公开(公告)号：US11545091B2

公开(公告)日：2023-01-03

申请号：US17179240

申请日：2021-02-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun Ka ,  Seung Ji Cha ,  Mi Hae Kim ,  Ki Myeong Eom

IPC: G09G3/20 ,  G09G3/3258 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3291 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3225 ,  G09G3/3275

Abstract: A display device includes: a first pixel including a first organic light emitting diode; an initialization voltage generator for generating a first initialization voltage to be supplied to an anode of the first organic light emitting diode; and a timing controller including a first lookup table in which a plurality of first initialization voltage values corresponding to a plurality of maximum luminances are recorded, the timing controller being configured to determine a value of the first initialization voltage, based on reception information on a target maximum luminance and the first lookup table.

公开(公告)号：US20220392400A1

公开(公告)日：2022-12-08

申请号：US17831440

申请日：2022-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Hai Jung IN ,  Ki Myeong Eom

IPC: G09G3/32

Abstract: A display device includes a display panel including gate lines and pixels connected to the gate lines, and a gate driver including plural stages providing gate signals to the gate lines. A first stage among the stages includes a node controller including an input terminal and configured to control a voltage of a first control node and a voltage of a second control node, and an output unit connected to a first gate power source line and configured to output a first gate power source voltage of the first gate power source line as a gate signal through an output terminal in response to the voltage of the first control node. The node controller includes a first auxiliary transistor connected in the form of a diode between the input terminal and the second control node and a boosting capacitor connected between the second control node and the output terminal.

公开(公告)号：US20220262291A1

公开(公告)日：2022-08-18

申请号：US17735332

申请日：2022-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Sae LEE ,  Won Kyu Kwak ,  Ki Myeong Eom

IPC: G09G3/00 ,  G06F1/16 ,  G09G3/3291

Abstract: A display device includes a display area configured to include a plurality of pixels and a plurality of data lines connected to the pixels. A hole area is disposed within the display area. A hole crack detection line is disposed adjacent to the hole area and surrounds the hole area. The device includes first and second detection lines which include first and second detection transfer lines and first and second detection receiving lines, respectively. A test controller electrically connects the first detection receiving line to a first data line and the second detection receiving line to a second data line. Pixels connected to the first data line that is connected to a first bright-line transistor and pixels connected to the second data line that is connected to a second bright-line transistor are configured to emit light when a crack occurs in the hole crack detection line.

公开(公告)号：US20220139280A1

公开(公告)日：2022-05-05

申请号：US17575109

申请日：2022-01-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kwang Sae Lee ,  Jung Hoon Shim ,  Won Kyu Kwak ,  Ki Myeong Eom

IPC: G09G3/00 ,  G09G3/20

Abstract: A display device includes a display panel having a display area and a peripheral area. The display device includes a circuit having a comparator, and first and second sense wires disposed in the peripheral area and connected to the circuit. The comparator compares a first output signal output from the first sense wire and a second output signal output from the second sense wire to generate a comparison result. The circuit determines whether a defect is present in the display device based on the comparison result.