公开(公告)号：US11610537B2

公开(公告)日：2023-03-21

申请号：US17535340

申请日：2021-11-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun Lim ,  Hong Soo Kim ,  Jin Young Roh ,  Se Hyuk Park ,  Woo Mi Bae ,  Hyo Jin Lee

IPC: G09G3/32

Abstract: Provided is a display device comprising a pixel unit including first pixel rows connected to first scan lines and second pixel rows alternating with the first pixel rows and connected to second scan lines, a scan driver including first scan stages connected to the first scan lines and second scan stages connected to the second scan lines, and an emission driver including emission stages in which each of emission lines is connected to two or more pixel rows. Accordingly, the display device is capable of changing a display frequency and maintaining the same cycle in which luminance decreases when the display frequency is changed.

公开(公告)号：US11587514B2

公开(公告)日：2023-02-21

申请号：US17583938

申请日：2022-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Young Roh ,  Hong Soo Kim ,  Se Hyuk Park ,  Hyo Jin Lee ,  Jae Keun Lim

IPC: G09G3/3291 ,  G09G3/3266

Abstract: Embodiments of the present disclosure relate to a display device and a driving method thereof, and the display device includes a demultiplexer connected to a first data line and transferring a data signal from the first data line to a plurality of second data lines during a data writing period of one frame, a compensator calculating an on-pixel ratio (OPR) using input data in the one frame and generating compensation data corresponding to a calculated OPR, and a data driver supplying the data signal to the first data line using the input data during the data writing period, and supplying a compensation data signal to the first data line using the compensation data in a blank period of the one frame, and the demultiplexer supplies the compensation data signal from the first data line to a second data line during the blank period.

公开(公告)号：US11482157B2

公开(公告)日：2022-10-25

申请号：US17535331

申请日：2021-11-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun Lim ,  Hong Soo Kim ,  Jin Young Roh ,  Se Hyuk Park ,  Hyo Jin Lee

IPC: G09G3/20

Abstract: Provided is a display device including a pixel unit in which each of pixel rows extends in a first direction, odd numbered pixel rows and even numbered pixel rows are alternately disposed in a second direction, and pixels included in the pixel rows are designated as dots having two or more units, a gray difference calculator that calculates difference between representative grays of dots adjacent in the second direction among dots of a p-th pair of the pixel rows, an edge detector that increases an edge dot number when a first condition in which the difference between the representative grays is larger than a first threshold value is satisfied, and a first pattern detector that increases an edge number when the edge dot number is larger than a second threshold value, and that generates a first pattern detection signal when the edge number is larger than a third threshold value.

公开(公告)号：US11195468B2

公开(公告)日：2021-12-07

申请号：US17014969

申请日：2020-09-08

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyuk Park ,  Hong Soo Kim ,  Jin Young Roh ,  Hyo Jin Lee ,  Jae Keun Lim

IPC: G09G3/36 ,  G09G3/3258 ,  G09G3/3291 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

Abstract: A display apparatus includes a display panel, a first gate driver, a second gate driver, a third gate driver, and a data driver. The display apparatus is operable in a low frequency driving mode, and the low frequency driving mode includes a writing frame and a holding frame. At least one of gate power voltages used to generate a first gate signal, a second gate signal, and an emission signal has a first voltage level in the writing frame of the low frequency driving mode and a second voltage level in the holding frame of the low frequency driving mode. The data voltage is applied to the pixel in the writing frame of the low frequency driving mode. The data voltage applied to the pixel in the writing frame of the low frequency driving mode is maintained in the holding frame of the low frequency driving mode.

公开(公告)号：US11170694B2

公开(公告)日：2021-11-09

申请号：US16943170

申请日：2020-07-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Jin Lee ,  Jae Keun Lim ,  Hong Soo Kim ,  Jinyoung Roh ,  Sehyuk Park

IPC: G09G3/20

Abstract: A display apparatus including: a display panel configured to display an image based on input image data; a data driver configured to output a data voltage to the display panel; and a driving controller configured to determine a driving frequency of the display panel based on flicker values for grayscale values of the input image data and output a driving frequency signal representing the driving frequency of the display panel to a host.

公开(公告)号：US11145250B2

公开(公告)日：2021-10-12

申请号：US16102538

申请日：2018-08-13

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Min Kim ,  Dong Won Lee ,  Jae Keun Lim

IPC: G09G3/3233 ,  G02B27/01 ,  G09G3/3258 ,  H01L27/32 ,  G09G3/3291 ,  G09G3/3266

Abstract: Provided herein may be an organic light emitting display device including: pixels coupled both to power source lines and scan lines that are formed on respective horizontal lines, and to data lines formed on respective vertical lines; a scan driver configured to supply scan signals to the scan lines; a first power source driver configured to supply first power sources to the power source lines; and a data driver configured to supply data signals to the data lines. The first power source driver may control light emitting operations of the pixels by successively stopping the supply of the first power sources to the power source lines.

公开(公告)号：US20200265776A1

公开(公告)日：2020-08-20

申请号：US16719871

申请日：2019-12-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Yong Song ,  Jeong Kyoo Kim ,  Jae Keun Lim

IPC: G09G3/32

Abstract: A display device includes a plurality of pixels respectively coupled to first scan lines, second scan lines and data lines; and a scan driver to supply first scan signals to the first scan lines and second scan signals to the second scan lines, wherein the pixel includes a first transistor having a gate electrode connected to a first node, one electrode connected to a first power line, and other electrode connected to a second node; a second transistor having a gate electrode connected to a first scan line, one electrode connected to a data line, and other electrode connected to the first node, the second transistor being turned on in a first time period of a frame when the first scan signal is applied; a third transistor having a gate electrode connected to a second scan line, one electrode connected to the second node, and other electrode connected to an initialization line, the third transistor being turned on in the first time period and at least one second time period of the frame when the second scan signal is applied; a storage capacitor having one electrode connected to the first node and other electrode connected to the second node; and a light emitting diode having an anode connected to the second node and a cathode connected to a second power line, wherein the number of the first and second scan signals applied to the pixel during the frame period is different from each other.

公开(公告)号：US20160379566A1

公开(公告)日：2016-12-29

申请号：US15157350

申请日：2016-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun Lim ,  Jong Hee Kim ,  Ji-Sun Kim ,  Young Wan Seo ,  Chong Chul Chai

IPC: G09G3/3258 ,  G09G3/3275

CPC classification number: G09G3/3283 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0209

Abstract: There is provided a display device including a display including a first pixel connected to a first data line and a second pixel connected to a second data line, a data signal generator configured to generate an output signal, and a signal divider configured to divide the output signal, to generate a first data signal and a second data signal, and to apply the first data signal and the second data signal to the first data line and the second data line, respectively, wherein the data signal generator is configured to generate the output signal based on a coupling effect of a first parasitic capacitor formed between the first data line and the second data line and a coupling effect of a parasitic capacitor of a data line formed by the first data line and second data line.

Abstract translation: 提供了一种显示装置，包括：显示器，包括连接到第一数据线的第一像素和连接到第二数据线的第二像素;数据信号发生器，被配置为产生输出信号;以及信号分配器， 信号，以产生第一数据信号和第二数据信号，并且分别将第一数据信号和第二数据信号施加到第一数据线和第二数据线，其中数据信号发生器被配置为产生输出 基于形成在第一数据线和第二数据线之间的第一寄生电容的耦合效应以及由第一数据线和第二数据线形成的数据线的寄生电容的耦合效应的信号。

公开(公告)号：US09515647B2

公开(公告)日：2016-12-06

申请号：US14565553

申请日：2014-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Keun Lim ,  Hyun Joon Kim ,  Cheol-Gon Lee ,  Chong Chul Chai

IPC: G09G3/36 ,  H03K17/16

CPC classification number: H03K17/162 ,  G09G3/3677 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A gate driver includes a stage including an input unit including a first transistor diode-connected to a first input terminal of the stage through a first node and biased by a first input signal of the first input terminal, an output unit including a second transistor including a gate electrode coupled to the first node, a first electrode coupled to a clock input terminal, and a second electrode coupled to a first output terminal of the stage, a capacitor coupled between the gate electrode and the second electrode of the second transistor, and a noise remover including a third transistor including a gate electrode coupled to a second node, a first electrode coupled to the first node, and a second electrode coupled to a first voltage input terminal of the stage which receives a first voltage.

Abstract translation: 栅极驱动器包括一个输入单元，该输入单元包括第一晶体二极管，第一晶体二极管通过第一节点连接到该级的第一输入端，并被第一输入端的第一输入信号偏置;输出单元，包括第二晶体管，包括 耦合到第一节点的栅电极，耦合到时钟输入端的第一电极和耦合到该级的第一输出端的第二电极，耦合在第二晶体管的栅电极和第二电极之间的电容器，以及 噪声去除器，包括第三晶体管，其包括耦合到第二节点的栅极电极，耦合到第一节点的第一电极和耦合到接收第一电压的级的第一电压输入端子的第二电极。

公开(公告)号：US20160293269A1

公开(公告)日：2016-10-06

申请号：US14970350

申请日：2015-12-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Keun Lim ,  Jong Hee Kim ,  Ji Sun Kim ,  Young Wan Seo ,  Chong Chul Chai

IPC: G11C19/28 ,  G09G5/00

CPC classification number: G11C19/28 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3674 ,  G09G2300/0871 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/08 ,  G11C19/184

Abstract: There is provided a shift register including a plurality of stages sequentially coupled to an input terminal configured to receive a start pulse, wherein each of the plurality of stages includes a first transistor coupled between a first clock input terminal and an output terminal and having a first gate electrode coupled to a first node, a second transistor coupled between the output terminal and a power input terminal and having a second gate electrode coupled to a second clock input terminal, and a third transistor coupled between the first node and a first input terminal configured to receive the start pulse or an output signal of a previous stage of the stages, the third transistor having a third gate electrode coupled to the second clock input terminal.

Abstract translation: 提供了一种移位寄存器，其包括顺序地耦合到被配置为接收起始脉冲的输入端子的多个级，其中多个级中的每一级包括耦合在第一时钟输入端子和输出端子之间的第一晶体管，并且具有第一 耦合到第一节点的第二晶体管，连接在输出端子和电源输入端子之间并具有耦合到第二时钟输入端子的第二栅极电极的第二晶体管，以及耦合在第一节点和配置的第一输入端子之间的第三晶体管 为了接收所述级的前一级的起始脉冲或输出信号，所述第三晶体管具有耦合到所述第二时钟输入端的第三栅极。