公开(公告)号：US09672087B2

公开(公告)日：2017-06-06

申请号：US14332256

申请日：2014-07-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Jae Lee ,  Eui-Dong Hwang ,  Bon-Sung Koo ,  Jun-Dal Kim ,  Seung-Hwan Moon ,  Dong-Won Park

IPC: G06F11/00 ,  G06F11/07 ,  G09G3/20 ,  G09G3/36

CPC classification number: G06F11/0751 ,  G06F11/0706 ,  G09G3/2096 ,  G09G3/3674 ,  G09G2310/0267

Abstract: Exemplary embodiments of present invention relate to an error detecting apparatus for a gate driver improving a reliability of a display apparatus, a display apparatus having the error detecting apparatus, and a method of detecting an error of the gate driver using the error detecting apparatus. An exemplary embodiment discloses an error detecting apparatus including an error detecting part configured to receive a gate signal of a gate driver and determine whether a status of the gate driver is in a normal status or an error status based on the gate signal, a memory configured to store the status of the gate driver, and a signal outputting part configured to selectively output a clock signal and an error signal based on the status of the gate driver stored in the memory.

公开(公告)号：US09257099B2

公开(公告)日：2016-02-09

申请号：US13732747

申请日：2013-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Bon-Sung Koo ,  Jong Jae Lee ,  Eui-Dong Hwang

IPC: G09G3/36 ,  G09G5/20 ,  G05F3/02 ,  G05F1/10

CPC classification number: G09G5/20 ,  G05F1/10 ,  G05F3/02 ,  G09G3/3696 ,  G09G2310/08 ,  G09G2330/025

Abstract: A display device including a voltage generator is disclosed. The voltage generator includes an analog driving voltage generator to convert a source voltage from an external source to an analog driving voltage and to output the analog driving voltage through an output terminal, a capacitor connected between the output terminal and a ground voltage node, and a discharge circuit connected between the output terminal and the ground voltage node to discharge a current at the output terminal in response to a blank synchronization signal.

Abstract translation: 公开了一种包括电压发生器的显示装置。 电压发生器包括模拟驱动电压发生器，用于将来自外部源的源极电压转换为模拟驱动电压，并通过输出端子，连接在输出端子和接地电压节点之间的电容器输出模拟驱动电压，以及 连接在输出端子和接地电压节点之间的放电电路，以响应于空白同步信号在输出端子处放电。

公开(公告)号：US20150194085A1

公开(公告)日：2015-07-09

申请号：US14306879

申请日：2014-06-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： YANG UK NAM ,  Jong Jae Lee ,  Bon-Sung Koo ,  Jun Dal Kim ,  Se Young Heo ,  Jun Ki Hong

IPC: G09G3/20

CPC classification number: G09G3/3696 ,  G09G3/3208 ,  G09G2330/028

Abstract: A driving voltage generating device, a display device including the same, and a method of generating a driving voltage are provided. The driving voltage generating device includes a driving voltage setting unit receiving initially set data on a driving voltage and a feedback voltage and outputting a control signal, a driving voltage trimmer receiving finely adjusted data on the driving voltage and adjusting the feedback voltage, and a DC to DC converter generating the driving voltage based on the control signal and an input voltage.

Abstract translation: 提供驱动电压产生装置，包括该驱动电压产生装置的显示装置和产生驱动电压的方法。 驱动电压产生装置包括驱动电压设定单元，其接收关于驱动电压和反馈电压的初始设定数据并输出控制信号，驱动电压微调器接收关于驱动电压的微调数据并调整反馈电压，以及DC 直流转换器基于控制信号和输入电压产生驱动电压。

公开(公告)号：US09747861B2

公开(公告)日：2017-08-29

申请号：US14306879

申请日：2014-06-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Uk Nam ,  Jong Jae Lee ,  Bon-Sung Koo ,  Jun Dal Kim ,  Se Young Heo ,  Jun Ki Hong

IPC: G09G3/36 ,  G09G3/3208

CPC classification number: G09G3/3696 ,  G09G3/3208 ,  G09G2330/028

Abstract: A driving voltage generating device, a display device including the same, and a method of generating a driving voltage are provided. The driving voltage generating device includes a driving voltage setting unit receiving initially set data on a driving voltage and a feedback voltage and outputting a control signal, a driving voltage trimmer receiving finely adjusted data on the driving voltage and adjusting the feedback voltage, and a DC to DC converter generating the driving voltage based on the control signal and an input voltage.

公开(公告)号：US09666135B2

公开(公告)日：2017-05-30

申请号：US14329635

申请日：2014-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： Bon-Sung Koo ,  Jong Jae Lee ,  Eui-Dong Hwang ,  Jun Dal Kim ,  Yang Uk Nam

IPC: G09G5/10 ,  G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2320/041

Abstract: Provided is a display device, including: a plurality of pixels; a scan driver connected to a plurality of scanning lines connected to the plurality of pixels; and a gate signal generator configured to determine a level of a gate-on voltage according to ambient temperature and to supply the gate-on voltage to the scan driver, wherein the gate signal generator is further configured to apply a hysteresis characteristic to a thermistor voltage to vary according to the ambient temperature.

公开(公告)号：US09570027B2

公开(公告)日：2017-02-14

申请号：US14454063

申请日：2014-08-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Dal Kim ,  Jong-Jae Lee ,  Bon-Sung Koo ,  Yang-Uk Nam ,  Se-Young Heo

IPC: H02H3/00 ,  G09G3/36

CPC classification number: G09G3/3677 ,  G09G2330/025

Abstract: A method of method of protecting a gate driver circuit configured to provide a gate line of a display panel with a gate signal includes generating a clock signal to drive the gate driver circuit, sensing an output current of the clock signal, detecting an overcurrent of the clock signal based on an overcurrent determining factor, determining whether the clock signal is in an overcurrent condition based on a count number of the overcurrent, generating a shutdown signal when the clock signal is in the overcurrent condition and blocking the clock signal from being applied to the gate driver circuit based on the shutdown signal.

Abstract translation: 一种保护栅极驱动器电路的方法，该栅极驱动器电路被配置为提供具有栅极信号的显示面板的栅极线，包括产生时钟信号以驱动栅极驱动器电路，检测时钟信号的输出电流， 基于过电流确定因子的时钟信号，基于过电流的计数确定时钟信号是否处于过电流状态，当时钟信号处于过电流状态时产生关断信号，并阻止时钟信号施加到 基于关断信号的栅极驱动电路。