公开(公告)号：US12232277B2

公开(公告)日：2025-02-18

申请号：US18155638

申请日：2023-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Ill Kim ,  Ji Hyun Kim ,  Byoung Haw Park ,  Jong Jae Lee ,  Jun Pyo Lee

IPC: H05K5/00 ,  G09G3/00 ,  H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H05K5/02

Abstract: A display device according to one or more embodiments comprises a flexible display panel, a connection film at least partially overlapping the display panel, and electrically connected to the display panel, source boards at least partially overlapping the connection film, and electrically connected to the connection film, and a flexible printed circuit portion electrically connecting the source boards, and wound or folded on the source boards.

公开(公告)号：US11538374B2

公开(公告)日：2022-12-27

申请号：US17181309

申请日：2021-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Soo Choi ,  Dae-Sik Lee ,  Ji Youn Seo ,  Gwang Soo Ahn ,  Jong Jae Lee ,  Geun Hyuk Choi

IPC: G09G3/20 ,  G09G3/00

Abstract: A power voltage generator includes a voltage sensor and a power controller. The voltage sensor is configured to sense a first voltage in a first charge sharing period of a gate clock signal and a second voltage in a second charge sharing period of the gate clock signal. The power breaker is configured to disconnect a power based on the first voltage and the second voltage.

公开(公告)号：US11450289B2

公开(公告)日：2022-09-20

申请号：US17387235

申请日：2021-07-28

Applicant: Samsung Display Co., Ltd.

Inventor： Gwangsoo Ahn ,  Jong Jae Lee ,  Sungsoo Choi

IPC: G09G3/36

Abstract: A display device includes a display panel including a gate line, a data line, a gate driver outputting a gate signal to the gate line, a data driver outputting a data voltage to the data line and a power voltage generator. The power voltage generator generates a gate-on voltage, a gate-off voltage, and a gate clock signal toggled between the gate-on voltage and the gate-off voltage, detects a current level of a gate clock current, cuts off power of the display device when a count of the gate clock current higher than or equal to a first current level is greater than or equal to a reference count, and cuts off the power of the display device when the gate clock current is higher than or equal to a second current level higher than the first current level in an initial frame after the display device is turned on.

公开(公告)号：US09870743B2

公开(公告)日：2018-01-16

申请号：US14683732

申请日：2015-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Junki Hong ,  Yanguk Nam ,  Jong Jae Lee

IPC: G09G3/36 ,  G11C7/04 ,  G11C19/28

CPC classification number: G09G3/3648 ,  G09G3/3677 ,  G09G2300/0413 ,  G09G2330/045 ,  G09G2330/10 ,  G09G2330/12 ,  G11C7/04 ,  G11C19/28

Abstract: A display apparatus including: a plurality of pixels receiving data voltages in response to gate signals; a drive circuit generating a power voltage and a control signal; a gate driver operating with the power voltage, generating the gate signals and a dummy gate signal in response to the control signal, and supplying the dummy gate signal to the drive circuit; and a data driver operating with the power voltage and generating the data voltages in response to the control signal. The drive circuit measures a temperature of the drive circuit, and a voltage and a current at an output node of the drive circuit generating the power voltage. The measured temperature, voltage and current, and the dummy gate signal are stored in the drive circuit in a predetermined order. This information can be used to detect error states that the display can indicate and use to protect itself from damage.

公开(公告)号：US12165565B2

公开(公告)日：2024-12-10

申请号：US17902574

申请日：2022-09-02

Applicant: Samsung Display Co., LTD.

Inventor： Tae Gon Im ,  Jong Jae Lee ,  Soo Yeon Kim ,  Jun Pyo Lee

IPC: G09G3/00 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3291

Abstract: A display device includes a display panel including data lines, line capacitors respectively connected to the data lines, and pixels receiving a data voltage from the data lines, and a data driver supplying the data voltage to the pixels through the data lines and supplying different charging voltages respectively to the line capacitors through the data line. The data driver senses voltage change of at least one of the data lines occurring in case that at least one of the line capacitors is charged or discharged.

公开(公告)号：US11657768B2

公开(公告)日：2023-05-23

申请号：US17670621

申请日：2022-02-14

Applicant: Samsung Display Co., LTD.

Inventor： Soo Yeon Kim ,  Tae Gon Im ,  Jong Jae Lee ,  Jun Pyo Lee

IPC: G09G3/3275 ,  G09G3/3233

CPC classification number: G09G3/3275 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/045 ,  G09G2340/0435

Abstract: A display device includes a display panel including a pixel including a light emitting element emitting light and electrically connected to a data line and a sensing line, a timing controller varying a driving frequency of the display panel based on an input frequency of digital video data, and a data driver supplying a data voltage to the data line based on the digital video data during a data addressing period of a frame period and receiving a sensing signal from the sensing line during a sensing period. The data driver electrically connects the sensing line to an initialization voltage line during the data addressing period in case that the digital video data is changed, and electrically connects the sensing line to a high impedance during the data addressing period in case that the digital video data is not changed.

公开(公告)号：USRE47907E1

公开(公告)日：2020-03-17

申请号：US15644238

申请日：2017-07-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang-Soo Lee ,  Kee-Bum Park ,  Yun Jae Park ,  Jong Jae Lee ,  Hoi Sik Moon

IPC: G02F1/1362 ,  H01L29/417

Abstract: A liquid crystal display includes a plurality of pixels arranged in a matrix, each pixel having a first sub-pixel electrode and a second sub-pixel electrode. A first thin film transistor is connected to the first sub-pixel electrode. A second thin film transistor is connected to the second sub-pixel electrode. A third thin film transistor is connected to the second sub-pixel electrode. A fourth thin film transistor is connected to a drain electrode of the third thin film transistor. A first gate line is connected to the first thin film transistor and the second thin film transistor. A data line is connected to the first thin film transistor and the second thin film transistor. A second gate line is connected to the third thin film transistor. A third gate line is connected to the fourth thin film transistor.

公开(公告)号：US10431140B2

公开(公告)日：2019-10-01

申请号：US15133797

申请日：2016-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Young Heo ,  Jong Jae Lee ,  Seok Hwan Lee ,  Jun Ki Hong

IPC: G09G5/00 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/36

Abstract: A display device includes a display unit including pixels coupled to scan lines and data lines, a data driver which supplies a data signal to pixels through the data lines, a scan driver which generates a scan signal using a first scan voltage and a second scan voltage, and supplying the scan signal to the pixels through the scan lines, a processor which generates first scan voltage information by setting a first scan voltage level, based on an ambient temperature of the display device, a timing controller which generates a power control signal using the first scan voltage information and delta voltage information, and a power supply which generates the first scan voltage and a delta voltage using the power control signal, and generates the second scan voltage by dropping the delta voltage from the first scan voltage.

公开(公告)号：US10186960B2

公开(公告)日：2019-01-22

申请号：US15183934

申请日：2016-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seok Hwan Lee ,  Jong Jae Lee ,  Yang Uk Nam ,  Se Young Heo ,  Jun Ki Hong

IPC: H02M3/156 ,  G09G3/20 ,  H02M1/08 ,  H02M1/00

Abstract: A power supply includes a voltage converter circuit which converts an input voltage into an output voltage and outputs the output voltage, a voltage controller which controls the voltage converter circuit in response to a first feedback voltage or a second feedback voltage, a feedback terminal which supplies the first feedback voltage, an internal voltage divider circuit which supplies the second feedback voltage, and a switch unit which transfers the first feedback voltage or the second feedback voltage to the voltage controller.

公开(公告)号：US09257099B2

公开(公告)日：2016-02-09

申请号：US13732747

申请日：2013-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Bon-Sung Koo ,  Jong Jae Lee ,  Eui-Dong Hwang

IPC: G09G3/36 ,  G09G5/20 ,  G05F3/02 ,  G05F1/10

CPC classification number: G09G5/20 ,  G05F1/10 ,  G05F3/02 ,  G09G3/3696 ,  G09G2310/08 ,  G09G2330/025

Abstract: A display device including a voltage generator is disclosed. The voltage generator includes an analog driving voltage generator to convert a source voltage from an external source to an analog driving voltage and to output the analog driving voltage through an output terminal, a capacitor connected between the output terminal and a ground voltage node, and a discharge circuit connected between the output terminal and the ground voltage node to discharge a current at the output terminal in response to a blank synchronization signal.

Abstract translation: 公开了一种包括电压发生器的显示装置。 电压发生器包括模拟驱动电压发生器，用于将来自外部源的源极电压转换为模拟驱动电压，并通过输出端子，连接在输出端子和接地电压节点之间的电容器输出模拟驱动电压，以及 连接在输出端子和接地电压节点之间的放电电路，以响应于空白同步信号在输出端子处放电。