公开(公告)号：US12183258B2

公开(公告)日：2024-12-31

申请号：US17869200

申请日：2022-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Subin Kim ,  Se-Byung Chae ,  Hyunchang Kim

IPC: G09G3/20 ,  G09G3/00 ,  G09G3/3266 ,  G09G3/3275

Abstract: Disclosed is a display device, which includes a display panel, a controller that receives an image signal and an external synchronization signal and generates a control signal, and a driver that generates a driving signal in response the control signal and provides the driving signal to the display panel. The controller includes a synchronization signal generator that generates an internal synchronization signal based on a reference clock signal, a corrector that corrects the internal synchronization signal to generate a corrected synchronization signal, and a control signal generator that generates the control signal, and the control signal generator generates the control signal based on the external synchronization signal when the external synchronization signal is in a normal state, and generates the control signal based on the internal synchronization signal when the external synchronization signal is in an abnormal state.

公开(公告)号：US11862074B2

公开(公告)日：2024-01-02

申请号：US18145287

申请日：2022-12-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se-Byung Chae

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2330/021 ,  G09G2330/028

Abstract: Disclosed is a data driving circuit including a noise filter, first through third voltage generators, and an output circuit. The noise filter receives a driving voltage and removes noise from the driving voltage to output a filtered driving voltage. The first voltage generator outputs a first voltage, a second voltage, and a third voltage. The second voltage generator generates a first reference voltage based on the filtered driving voltage, the first voltage, and the second voltage. The third voltage generator generates a second reference voltage based on the filtered driving voltage, the second voltage, and the third voltage. The output circuit outputs a data signal of a voltage level corresponding to an image signal based on the first reference voltage and the second reference voltage.

公开(公告)号：US09378683B2

公开(公告)日：2016-06-28

申请号：US14222207

申请日：2014-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Se-Byung Chae ,  Wook Lee

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G2310/0291

Abstract: A display device is disclosed. In one aspect, the display device includes a display panel including a plurality of pixels, and a data driver including a plurality of data output unit buffers electrically connected to a plurality of data lines electrically connected to the pixels. Each of the data output unit buffers includes an output terminal, a first transistor for applying a high level data voltage to the output terminal, and a second transistor for applying a low level data voltage to the output terminal. Each of the data output unit buffers also includes a first switch electrically connecting the first and second transistors to the output terminal, and a second switch electrically connecting a ground voltage to the output terminal.

Abstract translation: 公开了一种显示装置。 在一个方面，显示装置包括包括多个像素的显示面板和数据驱动器，其包括电连接到电连接到像素的多个数据线的多个数据输出单元缓冲器。 数据输出单元缓冲器中的每一个包括输出端子，用于向输出端子施加高电平数据电压的第一晶体管和用于向输出端子施加低电平数据电压的第二晶体管。 每个数据输出单元缓冲器还包括将第一和第二晶体管电连接到输出端子的第一开关以及将接地电压电连接到输出端子的第二开关。

公开(公告)号：US12235675B2

公开(公告)日：2025-02-25

申请号：US18637461

申请日：2024-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Se-Byung Chae

IPC: G06F1/12 ,  G06F1/08 ,  G09G3/32 ,  G09G3/3225

Abstract: A signal generator may include a reference horizontal synchronization signal generation block which generates reference horizontal synchronization signals based on a number of clock signals per a horizontal time, a frame clock calculation block which calculates a first frame clock number based on a number of the clock signals per the horizontal time, a frame clock comparation block which calculates a clock offset by comparing the first frame clock number and a second frame clock number generated based on a number of the clock signals per a frame time, a clock distribution block which generates horizontal synchronization signals by distributing a number of the clock signals corresponding to the clock offset to the reference horizontal synchronization signals, and a vertical synchronization signal generation block which generates a vertical synchronization signal based on the horizontal synchronization signals.

公开(公告)号：US12175913B2

公开(公告)日：2024-12-24

申请号：US17558998

申请日：2021-12-22

Applicant: Samsung Display Co., Ltd.

Inventor： Subin Kim ,  Seongkyun Kim ,  Se-Byung Chae

IPC: G09G3/20

Abstract: A display apparatus includes a display panel, a data analyzer, a logic core and a latch. The display panel is configured to display an image. The data analyzer is configured to analyze input image data. The logic core is configured to compensate all of line data, compensate a part of the line data, or not compensate all of the line data according to an analysis result of the data analyzer. The latch is configured to receive compensated data from the logic core.

公开(公告)号：US09508302B2

公开(公告)日：2016-11-29

申请号：US14140146

申请日：2013-12-24

Applicant: Samsung Display Co., Ltd.

Inventor： Se-Byung Chae

IPC: G09G3/36

CPC classification number: G09G3/3696

Abstract: Exemplary embodiments of the present invention relate to a power supply of a display device that includes a driving circuit and a display panel that displays an image according to an output data voltage transmitted from the driving circuit. The power supply includes a first booster and a second booster provided in the driving circuit, the first booster generates a first output voltage supplied to an Op-amp of a source output circuit of the driving circuit, and the second booster generates a second output voltage supplied to buffers of the source output circuit of the driving circuit.

Abstract translation: 本发明的示例性实施例涉及一种显示装置的电源，其包括驱动电路和显示面板，显示面板根据从驱动电路发送的输出数据电压来显示图像。 电源包括设置在驱动电路中的第一升压器和第二升压器，第一升压器产生提供给驱动电路的源极输出电路的运算放大器的第一输出电压，第二升压器产生第二输出电压 提供给驱动电路的源极输出电路的缓冲器。

公开(公告)号：US20150022429A1

公开(公告)日：2015-01-22

申请号：US14222207

申请日：2014-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Se-Byung Chae ,  Wook Lee

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G2310/0291

Abstract: A display device is disclosed. In one aspect, the display device includes a display panel including a plurality of pixels, and a data driver including a plurality of data output unit buffers electrically connected to a plurality of data lines electrically connected to the pixels. Each of the data output unit buffers includes an output terminal, a first transistor for applying a high level data voltage to the output terminal, and a second transistor for applying a low level data voltage to the output terminal. Each of the data output unit buffers also includes a first switch electrically connecting the first and second transistors to the output terminal, and a second switch electrically connecting a ground voltage to the output terminal.

Abstract translation: 公开了一种显示装置。 在一个方面，显示装置包括包括多个像素的显示面板和数据驱动器，其包括电连接到电连接到像素的多个数据线的多个数据输出单元缓冲器。 每个数据输出单元缓冲器包括输出端子，用于向输出端子施加高电平数据电压的第一晶体管，以及用于向输出端子施加低电平数据电压的第二晶体管。 每个数据输出单元缓冲器还包括将第一和第二晶体管电连接到输出端子的第一开关以及将接地电压电连接到输出端子的第二开关。

公开(公告)号：US12046191B2

公开(公告)日：2024-07-23

申请号：US18463935

申请日：2023-09-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se-Byung Chae

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2330/021 ,  G09G2330/028

Abstract: Disclosed is a data driving circuit including a noise filter, first through third voltage generators, and an output circuit. The noise filter receives a driving voltage and removes noise from the driving voltage to output a filtered driving voltage. The first voltage generator outputs a first voltage, a second voltage, and a third voltage. The second voltage generator generates a first reference voltage based on the filtered driving voltage, the first voltage, and the second voltage. The third voltage generator generates a second reference voltage based on the filtered driving voltage, the second voltage, and the third voltage. The output circuit outputs a data signal of a voltage level corresponding to an image signal based on the first reference voltage and the second reference voltage.

公开(公告)号：US11989052B2

公开(公告)日：2024-05-21

申请号：US18225693

申请日：2023-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： Se-Byung Chae

IPC: G06F1/12 ,  G06F1/08 ,  G09G3/32 ,  G09G3/3225

CPC classification number: G06F1/12 ,  G06F1/08 ,  G09G3/32 ,  G09G3/3225 ,  G09G2310/08

Abstract: A signal generator may include a reference horizontal synchronization signal generation block which generates reference horizontal synchronization signals based on a number of clock signals per a horizontal time, a frame clock calculation block which calculates a first frame clock number based on a number of the clock signals per the horizontal time, a frame clock comparation block which calculates a clock offset by comparing the first frame clock number and a second frame clock number generated based on a number of the clock signals per a frame time, a clock distribution block which generates horizontal synchronization signals by distributing a number of the clock signals corresponding to the clock offset to the reference horizontal synchronization signals, and a vertical synchronization signal generation block which generates a vertical synchronization signal based on the horizontal synchronization signals.

公开(公告)号：US09368060B2

公开(公告)日：2016-06-14

申请号：US14040925

申请日：2013-09-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se-Byung Chae ,  Wook Lee ,  Jeong-Hwan Shin

IPC: G09G3/36 ,  G09G3/32

CPC classification number: G09G3/3225 ,  G09G3/3696 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2330/02 ,  G09G2360/16

Abstract: A power system for an organic light emitting diode (OLED) display includes a power supplier and a power source controller. The power supplier respectively supplies a first power source voltage and a second power source voltage to first and second power source voltage application lines. The power source controller calculates a reference power source voltage corresponding to a maximum average grayscale using a distribution for each grayscale of first to third image data, models each voltage drop of the first and second power source voltages for first to third subpixels, and reflects the voltage drop to the reference power source voltage to change the second power source voltage.

Abstract translation: 有机发光二极管（OLED）显示器的电力系统包括电源和电源控制器。 电源分别向第一和第二电源电压施加线提供第一电源电压和第二电源电压。 电源控制器使用对于第一至第三图像数据的每个灰度级的分布来计算对应于最大平均灰度的参考电源电压，对第一至第三子像素的第一和第二电源电压的每个电压降建模，并且反映 电压降到参考电源电压以改变第二电源电压。