公开(公告)号：US20240036349A1

公开(公告)日：2024-02-01

申请号：US18317028

申请日：2023-05-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Soo Hwang ,  Su Bin Jung

IPC: G02B30/25 ,  G02B30/27 ,  G09G3/00

CPC classification number: G02B30/25 ,  G02B30/27 ,  G09G3/003

Abstract: A stereoscopic image display device includes a display panel that includes pixels, a polarization controller that generates a first output voltage and a second output voltage, and a polarization control layer that controls a path of light emitted by the display panel, based on the first output voltage and the second output voltage. The first output voltage has a first voltage level in a first mode, and a second voltage level that differs from the first voltage level in a second mode. The second output voltage has the first voltage level in the first mode, and has the first voltage level or a third voltage level that differs from the first and second voltage levels in the second mode.

公开(公告)号：US20180107069A1

公开(公告)日：2018-04-19

申请号：US15721206

申请日：2017-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： DONG GYU LEE ,  Jae Woong Kang ,  Seung Hwan Park ,  Cheol Woo Park ,  Yong Jun Jang ,  Young Soo Hwang

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1368

CPC classification number: G02F1/133617 ,  G02F1/13338 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133555 ,  G02F1/1368 ,  G02F2001/133614 ,  G02F2201/58 ,  G02F2202/36

Abstract: A display device includes a first substrate including a plurality of pixel areas and a peripheral area disposed adjacent to the plurality of pixel areas. A second substrate faces the first substrate. A liquid crystal layer is disposed between the first substrate and the second substrate. A backlight unit provides light to the liquid crystal layer. A color conversion layer is disposed between the liquid crystal layer and the second substrate and includes a plurality of sub-color conversion units converting and emitting the light provided by the backlight unit into light of different predetermined colors. An optical sensor is disposed within the peripheral area. The optical sensor detects the light emitted from the plurality of sub-color conversion units and generates an optical signal corresponding thereto.

公开(公告)号：US12165556B2

公开(公告)日：2024-12-10

申请号：US17883848

申请日：2022-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Seok Ha Hong ,  Joon Chul Goh ,  Dong Joon Kwag ,  Hyung Jin Kim ,  Ji Eun Park ,  Jae Sung Bae ,  Young Soo Hwang

IPC: G09G3/20

Abstract: A display device includes a display part, a degradation compensator that generates a first compensated grayscale value by compensating for a first grayscale value corresponding to a first pixel, and generates a second compensated grayscale value by compensating for a second grayscale value corresponding to a second pixel, and a data driver that generates a first data signal based on the first compensated grayscale value to supply the first data signal to the first pixel, and generates a second data signal based on the second compensated grayscale value to supply the second data signal to the second pixel. A second degradation curve is defined by a first degradation coefficient corresponding to a first degradation curve, and a second degradation coefficient corresponding to a first estimated degradation curve for the light conversion particles of a second color calculated by applying the first degradation curve.

公开(公告)号：US12100359B2

公开(公告)日：2024-09-24

申请号：US17881134

申请日：2022-08-04

Applicant: Samsung Display Co., LTD.

Inventor： Dong Joon Kwag ,  Young Soo Hwang ,  Hyung Jin Kim

IPC: G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  G09G2310/0278 ,  G09G2310/08 ,  G09G2320/0271

Abstract: A display device includes a display panel including sub-pixels arranged in an image display region of the display panel to display an image, a data driver that applies a data voltage to data lines, a scan signal driver that applies scan signals to scan signal lines, a data compensator that analyzes image data received from an outside to divide at least one deterioration region and deterioration peripheral regions, and compares and analyzes image data of the at least one deterioration region and the deterioration peripheral regions to compensate or modulate the image data of the at least one deterioration region, and a timing controller that controls the data driver and the scan signal driver to display compensation data including the compensated or modulated image data as an image.

公开(公告)号：US11282427B2

公开(公告)日：2022-03-22

申请号：US17007543

申请日：2020-08-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ha Neul Kim ,  Ho Cheol Kang ,  Dae Gwang Jang ,  Young Soo Hwang

IPC: G09G3/20

Abstract: A display device includes pixels coupled to scan lines, control lines, data lines, and sensing lines, a scan driver for supplying a scan signal to the scan lines and supplying a control signal to the control lines, a data driver for supplying one of an image data signal and a sensing data signal to the data lines, and a sensing circuit including an analog-digital converter (“ADC”) which converts a sensing value supplied through the sensing lines into a current code in a digital form, the sensing circuit correcting the current code by reflecting a conversion characteristic of the ADC, the sensing circuit sensing characteristics of the driving transistor based on the corrected current code.

公开(公告)号：US11017730B2

公开(公告)日：2021-05-25

申请号：US16821761

申请日：2020-03-17

Applicant: Samsung Display Co., Ltd.

Inventor： Young Soo Hwang ,  Ji Woong Kim

IPC: G09G3/3291 ,  G09G3/3266

Abstract: A display device including multiple displays is provided. The display device includes a first display including first pixels; a second display including second pixels; a first driver configured to drive the first display; a second driver configured to drive the second display; a controller configured to control the first and second drivers; a first power supply configured to supply first power to the first and second displays; and a second power supply configured to supply second power to the first and second displays. The second power supply includes a first voltage source configured to generate a first voltage; a second voltage source configured to generate a second voltage; a first switch configured to couple the first display to any one of the first and second voltage sources; and a second switch configured to couple the second display to one of the first and second voltage sources.

公开(公告)号：US11875733B2

公开(公告)日：2024-01-16

申请号：US17602525

申请日：2020-06-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Soo Hwang ,  Hideo Yoshimura

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/021

Abstract: A method of driving a display device, includes: supplying a first sensing data signal corresponding to a first grayscale, first power having a first sensing voltage, and a reference voltage to a pixel during a first sensing period; sensing a first sensing current, generated based on the first sensing voltage, from the pixel during the first sensing period; supplying a second sensing data signal corresponding to a second grayscale and different from the first sensing data signal, the first power having a second sensing voltage, and the reference voltage to the pixel during a second sensing period; sensing a second sensing current, generated based on the second sensing voltage different from the first sensing voltage, from the pixel during the second sensing period; and calculating characteristics of a driving transistor of the pixel using the first sensing current and the second sensing current.

公开(公告)号：US11705046B2

公开(公告)日：2023-07-18

申请号：US17471997

申请日：2021-09-10

Applicant: SAMSUNG DISPLAY CO., LTD. ,  Korea University Research and Business Foundation

Inventor： Young Soo Hwang ,  Joon Chul Goh ,  Oh Jo Kwon ,  Ki Duk Kim ,  Jeong Min Kim ,  Bong Hyun You ,  Hyung Min Lee ,  Seung Hun Choi

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2310/0294 ,  G09G2310/08

Abstract: A data driver includes a multi-channel sample/hold circuit electrically connected between a digital-to-analog converter and a data buffer. The multi-channel sample/hold circuit includes a first sample/hold circuit connected to a first channel and a second sample/hold circuit connected to a second channel. The first sample/hold circuit performs a first drive operation and a second drive operation. The first drive operation includes sampling a data voltage as a buffer input voltage and maintaining the buffer input voltage during an nth horizontal time. The second drive operation includes outputting the buffer input voltage to an output terminal of the buffer during an (n+1)th horizontal time. The second sample/hold circuit performs the second drive operation during the nth horizontal time and performs the first drive operation during the (n+1)th horizontal time.

公开(公告)号：US12266296B2

公开(公告)日：2025-04-01

申请号：US18388496

申请日：2023-11-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Soo Hwang ,  Hideo Yoshimura

IPC: G09G3/32 ,  G09G3/20

Abstract: A display device includes pixels connected to scan lines, control lines, data lines, and sensing lines; a scan driver configured to supply a scan signal to the scan lines and supply a control signal to the control lines; a data driver configured to supply one of an image data signal and a sensing data signal to the data lines; a sensing circuit configured to sense the characteristics based on a sensing current supplied through the sensing lines during the sensing period; and a power supply configured to supply a voltage of first power to the pixels. The sensing period includes a first sensing period during which a first sensing current is extracted based on a first sensing data signal corresponding to a first grayscale, and a second sensing period during which a second sensing current is extracted based on a second sensing data signal corresponding to a second grayscale, and the voltage of the first power supplied during the first sensing period is different from the voltage of the first power supplied during the second sensing period.

公开(公告)号：US12175923B2

公开(公告)日：2024-12-24

申请号：US18142502

申请日：2023-05-02

Applicant: Samsung Display Co., LTD.

Inventor： Young Soo Hwang ,  Hyung Jin Kim

IPC: G09G3/32

Abstract: A display device including a scan line extending in a first direction, a sensing scan line extending in the first direction and spaced from the scan line, a data line extending in a second direction crossing the first direction, a sensing line extending in the second direction and spaced from the data line, a sensing enable signal line extending in the second direction and spaced from the data line and the sensing line, and a sub-pixel connected to the scan line, the sensing scan line, the data line, the sensing line, and the sensing enable signal line. The sub-pixel includes a plurality of light emitting elements between a first node and a second node, a first transistor configured to supply a driving current to the first node according to a voltage of a gate electrode, and a second transistor to control a connection between the first and second nodes.