公开(公告)号：US11545092B2

公开(公告)日：2023-01-03

申请号：US17515742

申请日：2021-11-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojin Lee ,  Sehyuk Park ,  Jinyoung Roh ,  Geunjeong Park ,  Eunho Lee ,  Hui Nam ,  Bonghyun You

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12

Abstract: A display device including: a display panel including a pixel connected to a first scan line, second scan line, and data line, the pixel including: a first switch connected to the first scan line; a second switch connected to the second scan line; and a light emitting element; a low-frequency driving controller to output a first power control signal having a first level in a first mode and a second power control signal having a second level in a second mode; a scan driver including first and second scan drivers to drive the first and second scan lines, wherein one of the first and second scan drivers operates in the second mode; and a data driver to operate in the second mode in response to the power control signal having the second level, wherein the data driver operates at a frequency lower than a reference frequency in the second mode.

公开(公告)号：US11494025B2

公开(公告)日：2022-11-08

申请号：US17095846

申请日：2020-11-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kiseo Kim ,  Jae-Kyoung Kim ,  Wonsang Park ,  Bonghyun You

IPC: G06F3/041 ,  H01Q1/24 ,  H01Q1/22 ,  H01Q1/52 ,  G09G3/00

Abstract: The present disclosure provides a display device. The display device includes a display panel, an active area, a peripheral area, an input sensor, and a pattern layer. The active area and the peripheral area are adjacent to the active area. The input sensor is disposed on the display panel and includes a plurality of detection electrodes and a first pattern. The pattern layer is disposed on the input sensor and includes a second pattern overlapping the first pattern when viewed on a plane. Any one of the first and second patterns transmits and receives a signal. The other pattern of the first and second patterns includes a shielding component that shields or reflects a signal provided from any one pattern. A transmission component transmits the signal.

公开(公告)号：US11328647B2

公开(公告)日：2022-05-10

申请号：US17159203

申请日：2021-01-27

Applicant: Samsung Display Co., Ltd.

Inventor： Seokha Hong ,  Bonghyun You ,  Hye-Sang Park ,  Heechul Hwang

IPC: G09G3/20

Abstract: A display device includes a display panel and an optical module disposed under the display panel. The display panel includes a first display region under which the optical module is disposed to overlap the first display region in a plan view, the first display region including transparent regions through which light for an operation of the optical module passes and first pixels having a first pixel structure and disposed between the transparent regions, a second display region in which second pixels having a second pixel structure are disposed, and a third display region disposed between the first display region and the second display region, third pixels having a third pixel structure being disposed in the third display region, only part of the third pixels being driven during a display operation.

公开(公告)号：US11315457B2

公开(公告)日：2022-04-26

申请号：US17231388

申请日：2021-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sangan Kwon ,  Jinoh Kwag ,  Soon-Dong Kim ,  Taehoon Kim ,  Hui Nam ,  Bonghyun You ,  Eun Sil Yun ,  Changnoh Yoon

IPC: G09G3/00 ,  G09G3/3275 ,  G09G3/3266 ,  G09G5/14 ,  G09G3/3233

Abstract: A display device includes a driving controller which provides a first start signal and a second start signal corresponding to an operation mode to a scan driving circuit. The scan driving circuit includes a first scan driving circuit having first dummy driving stages and first driving stages which sequentially drive scan lines corresponding to a first display region among a plurality of scan lines in synchronization with the first start signal and a second scan driving circuit having second dummy driving stages and second driving stages which sequentially drive scan lines corresponding to a second display region among the plurality of scan lines in synchronization with the second start signal. The first dummy driving stages are disposed on a first side surface of the display panel and the second dummy driving stages are disposed on a second side surface of the display panel.

公开(公告)号：US11037512B2

公开(公告)日：2021-06-15

申请号：US16719685

申请日：2019-12-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seongheon Cho ,  Bonghyun You

IPC: G09G3/3291 ,  G06F9/30 ,  G09G3/3266 ,  G09F9/30

Abstract: A display device includes a display panel including a first display region having first pixels connected to first data lines and scan lines and a second display region having second pixels connected to second data lines and the scan lines, a voltage generator configured to generate a first driving voltage, a driving controller configured to output a first switching signal and a second switching signal, and a switching circuit configured to provide the first driving voltage to the first pixels in response to the first switching signal and provide the first driving voltage to the second pixels in response to the second switching signal, wherein the driving controller determines whether each of the first display region and the second display region is a visible region or a non-visible region, and outputs the first switching signal and the second switching signal corresponding to a determination result.

公开(公告)号：US10573244B2

公开(公告)日：2020-02-25

申请号：US15335210

申请日：2016-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jaehoon Lee ,  Bonghyun You ,  Soo-yeon Lee ,  Seokha Hong

IPC: G09G3/32 ,  G09G3/3266

Abstract: A gate driving circuit includes: a plurality of stages, a k-th stage from among the plurality of stages, the k-th stage including: an input circuit to receive a previous carry signal and to pre-charge a first node; a first output circuit to output a k-th gate signal; a second output circuit to output a k-th carry signal; a discharge hold circuit to transmit a clock signal to a second node, and to discharge the second node with a second low voltage; a first pull down circuit to discharge the k-th gate signal with a first low voltage, and to discharge the first node and the k-th carry signal with the second low voltage; and a discharge circuit for discharging the k-th carry signal with the second low voltage in response to the previous carry signal.

公开(公告)号：US10373575B2

公开(公告)日：2019-08-06

申请号：US14755241

申请日：2015-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Suhyeong Park ,  Kyoungwon Lee ,  Hoyong Jung ,  Cheolwoo Park ,  Bonghyun You

IPC: G09G3/36

Abstract: A display apparatus includes: a timing control block which outputs image data based on external image data and control signals, and generates data and gate-side control signals based on the external control signal; a source drive block which converts the image data into a data voltage based on the data control signal; a low frequency detection block which detects a low power drive period based on the external control signal and generates a power control signal, a state of which is determined based on a result of the detection; an integrated chip which receives first and second drive voltages and includes a first switch block that turns off a circuit of the source drive block based on the power control signal during the low power drive period; a gate drive circuit which generates a gate signal based on a gate control signal from the integrated chip; and a display panel.

公开(公告)号：US10229620B2

公开(公告)日：2019-03-12

申请号：US14604636

申请日：2015-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sangjin Jeon ,  Ilgon Kim ,  Dong-Won Park ,  Bonghyun You ,  Junki Jeong

IPC: G09G3/36 ,  G09G3/20 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1345

Abstract: A display apparatus includes a display panel, a timing controller, a gate driver, and a data driver. The display panel includes a display area configured to display an image and a non-display area adjacent to a side of the display area in a first direction. The display area includes gate lines, data lines, gate dummy lines, data contact parts, and pixels. The data lines cross the gate lines and are insulated from at least a portion of the gate lines. The gate dummy lines are substantially in parallel to the gate lines and spaced from the gate lines. The data contact parts couple the gate dummy lines to the data lines at a side of the display panel in a second direction substantially perpendicular to the first direction. The pixels are coupled to the gate lines and the data lines.

公开(公告)号：US10170029B2

公开(公告)日：2019-01-01

申请号：US15139196

申请日：2016-04-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bonghyun You ,  Seokha Hong ,  Soo-yeon Lee

IPC: G09G3/36 ,  G09G3/20 ,  G11C19/28

Abstract: A display device includes: a display panel; a voltage generator to output a gate on voltage to a voltage output terminal; a clock generator to receive the gate on voltage to generate at least one clock signal; a gate driving circuit including a plurality of driving stages to output gate signals to gate lines in response to the at least one clock signal, each of the driving stages including at least one transistor to adjust a threshold voltage based on a back bias control voltage; and a signal controller to detect a current variation of the voltage output terminal and including a back bias controller to search for the back bias control voltage to minimize a consumption current level of the voltage output terminal while changing the back bias control voltage from a default voltage level when the detected current variation is greater than a reference level.

公开(公告)号：US09978335B2

公开(公告)日：2018-05-22

申请号：US15064428

申请日：2016-03-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jai-hyun Koh ,  Jin-kyu Park ,  Seokyun Son ,  Kuk-hwan Ahn ,  Joon-chul Goh ,  Bonghyun You

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3607 ,  G09G3/3614 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0823

Abstract: A display apparatus includes gate lines extending in a first direction, data lines extending in a second direction crossing the first direction, first color pixels, and second color pixels. A first color pixel arranged in an f-th column between an f-th data line and an (f+1)th data line is connected to one of the f-th data line and the (f+1)th data line. A first color pixel arranged in a g-th column between a g-th data line and a (g+1)th data line is connected to one of a (g−1)th data line and a (g+2)th data line. First color pixels in a first color pixel diagonal group receive data voltages having a same polarity.Second color pixels in a second color pixel diagonal group receive data voltages having a same polarity.