公开(公告)号：US12142173B2

公开(公告)日：2024-11-12

申请号：US18211189

申请日：2023-06-16

Applicant: Samsung Display Co., LTD.

Inventor： Jaehoon Lee ,  Jong Wook Kim

IPC: G09G3/00 ,  G09G5/37

Abstract: A display device determines a target temperature based on an average luminance of each of the panel blocks, calculates a temperature change amount of each of the panel blocks by multiplying a difference between the target temperature and a previous prediction temperature of each of the panel blocks determined before a reference period by a block temperature coefficient of the panel blocks, and calculates a current prediction temperature of each of the panel blocks by adding the temperature change amount of each of the panel blocks to the previous prediction temperature of each of the panel blocks, the panel blocks include a first panel block and second panel blocks adjacent to the first panel block, and the block temperature coefficient of the first panel block is determined based on the target temperature of the first panel block and the target temperature of each of the second panel blocks.

公开(公告)号：US20240334820A1

公开(公告)日：2024-10-03

申请号：US18582243

申请日：2024-02-20

Applicant: Samsung Display Co., Ltd. ,  Solus Advanced Materials Co., Ltd.

Inventor： Hyewon Choi ,  Youngmo Kim ,  Taehyung Kim ,  Jaeyi Sim ,  Seunggyu Yang ,  Jaehoon Lee ,  Yeongrong Park ,  Hyun Shin ,  Ilsoo Oh ,  Daewoong Lee ,  Hyeonjeong Im ,  Illhun Cho

IPC: H10K85/60 ,  C07D251/24 ,  C07D401/14 ,  C07D405/14 ,  C09K11/06 ,  H10K50/16

CPC classification number: H10K85/654 ,  C07D251/24 ,  C07D401/14 ,  C07D405/14 ,  C09K11/06 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/16 ,  H10K50/166

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a heterocyclic compound represented by Formula 1. In addition, an electronic apparatus including the light-emitting device and the heterocyclic compound represented by Formula 1 are also provided.

公开(公告)号：US20240321208A1

公开(公告)日：2024-09-26

申请号：US18612223

申请日：2024-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jaehoon Lee ,  Byunghyuk Shin ,  Joosun Yoon

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0452 ,  G09G2330/021

Abstract: A display apparatus includes pixels, each of the pixels including a light-emitting diode, a first transistor connected to a driving voltage line and the light-emitting diode, a second transistor connected to the first transistor and the light-emitting diode, a third transistor connected to the second transistor and a first initialization voltage line, and a fourth transistor connected to the light-emitting diode and a second initialization voltage line. During a frame, each of the pixels operates in a first scan period and a second scan period. The first scan period includes a write-period in which a data signal is supplied and a first emission period in which the pixel is configured to emit light at a brightness corresponding to the data signal.

公开(公告)号：US10930211B2

公开(公告)日：2021-02-23

申请号：US16235374

申请日：2018-12-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jai-hyun Koh ,  Jaehoon Lee ,  Heendol Kim ,  Kuk-hwan Ahn ,  Soo-yeon Lee ,  Moonshik Kang

IPC: G09G3/3233 ,  G09G3/36 ,  G09G3/34 ,  G09G3/3225

Abstract: A luminance control circuit of a display device includes a target luminance gain calculator calculating a target luminance gain based on an average luminance of a first image signal when the first image signal is determined to be a still image, an output luminance gain calculator calculating an output luminance gain based on a previous output luminance gain of a previous frame and the target luminance gain of a present frame, and a luminance scaler outputting a second image signal obtained by changing a luminance of the first image signal based on the output luminance gain.

公开(公告)号：US10803812B2

公开(公告)日：2020-10-13

申请号：US16120607

申请日：2018-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Seokha Hong ,  Nam-gon Choi ,  Moonshik Kang ,  Jaehoon Lee ,  Kyoungho Lim

IPC: G09G3/34 ,  G02F1/13357 ,  G02F1/1335 ,  G09G3/36

Abstract: A display device includes a display panel, a plurality of sensors, a signal control unit, and a backlight unit. A plurality of dimming regions is defined in the display panel. The signal control unit determines a plurality of representative luminance values corresponding to the plurality of dimming regions based on image data signals received from an external device and illuminance values of an external light measured by the plurality of sensors. The backlight unit provides lights having the representative luminance values to the display panel.

公开(公告)号：US10789876B2

公开(公告)日：2020-09-29

申请号：US15702868

申请日：2017-09-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bonghyun You ,  Mun-San Park ,  Jai-Hyun Koh ,  Jaehoon Lee

IPC: G09G3/20 ,  G09G5/36 ,  G06F3/041 ,  G06F3/044 ,  G06T3/60 ,  G09G5/00 ,  G09G3/36 ,  G09G5/393

Abstract: A display system includes a display apparatus and a pivot performing part. The display apparatus includes a display panel configured to display an image and including a gate line and a data line, a gate driving part configured to output a gate signal to the gate line, and a data driving part configured to output a data signal to the data line. The pivot performing part is configured to receive, from the display apparatus, a pivot request data for performing a pivot function which rotates the image, and is to perform the pivot function on image data of the image in response to the pivot request data. A manufacturing cost of a display apparatus may be decreased, and a delay time of an image display may be decreased.

公开(公告)号：US20200184899A1

公开(公告)日：2020-06-11

申请号：US16790655

申请日：2020-02-13

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G3/3266 ,  G11C19/28 ,  G09G3/36

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：US20170301279A1

公开(公告)日：2017-10-19

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: G09G3/20

CPC classification number: G09G3/3266 ,  G09G3/3677 ,  G09G2310/0286 ,  G11C19/28

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：US20170116949A1

公开(公告)日：2017-04-27

申请号：US15215516

申请日：2016-07-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaehoon Lee ,  Bonghyun You

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G3/3677 ,  G09G2310/0202 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/08

Abstract: A gate driving circuit includes driving stages for providing gate signals to gate lines of a display panel. A k-th driving stage a k-th driving stage (k being equal to or greater than 2) among the driving stages includes a gate output unit configured to output a clock signal as a k-th gate signal in response to a voltage of a first node, a carry output unit configured to output the clock signal as a k-th carry signal in response to the voltage of the first node, a control unit configured to control a voltage level of the first node in response to a (k−1)th carry signal, a first discharge unit configured to discharge the k-th carry signal to a voltage level in response to the (k−1)th carry signal, and a second discharge unit configured to discharge the k-th carry signal to a voltage level in response to a discharge signal.

公开(公告)号：US20250104633A1

公开(公告)日：2025-03-27

申请号：US18891176

申请日：2024-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghyun Kang ,  Ohchul Kwon ,  Byungkwan Song ,  Joosun Yoon ,  Sangmyoung Lee ,  Jaehoon Lee ,  Joon Huh

IPC: G09G3/3233

Abstract: A pixel includes a light-emitting element, a first transistor connected between a first voltage line and the light-emitting element, a second transistor connected between the first voltage line and the first transistor, a third transistor connected between the first transistor and the light-emitting element, and a fourth transistor connected between the light-emitting element and a second voltage line, wherein the pixel is configured to emit light in a plurality of emission periods between a plurality of non-emission periods during one frame, and the second transistor is turned off and the third transistor is turned on in even-numbered non-emission periods among the plurality of non-emission periods.