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    DISPLAY APPARATUS AND CONTROL METHOD THEREOF
    1.
    发明申请
    DISPLAY APPARATUS AND CONTROL METHOD THEREOF 审中-公开

    公开(公告)号：US20190228718A1

    公开(公告)日：2019-07-25

    申请号：US16046302

    申请日：2018-07-26

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sang-hoon LEE ,  Jeong-il KANG

    IPC: G09G3/34 ,  G09G3/20

    Abstract: A display apparatus is provided. The display apparatus includes: a display panel; a backlight unit configured to provide light to the display panel; a signal processor configured to obtain a PWM signal corresponding to a grayscale of an input image; and a driver including a switching element, the driver being configured to control a current applied to the backlight unit by alternately turning the switching element on/off during a section in which the PWM signal provided from the signal processor is in an on-state, and the driver is configured to, based on the grayscale of the input image being greater than or equal to a threshold value, alternately turn the switching element on/off based on a first period, and, based on the grayscale of the input image being less than the threshold value, to alternately turn the switching element on-off based on a second period shorter than the first period.

    LIGHT EMITTING DIODE DRIVER CIRCUIT AND METHOD FOR LIGHT EMITTING DIODE DRIVING
    5.
    发明申请
    LIGHT EMITTING DIODE DRIVER CIRCUIT AND METHOD FOR LIGHT EMITTING DIODE DRIVING 审中-公开
    用于发光二极管驱动的发光二极管驱动电路和方法

    公开(公告)号：US20160309555A1

    公开(公告)日：2016-10-20

    申请号：US15097372

    申请日：2016-04-13

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jeong-il KANG

    IPC: H05B33/08 ,  G09G3/00 ,  G09G3/34 ,  G02F1/1335

    CPC classification number: H05B33/0815 ,  G02F1/133603 ,  G09G3/003 ,  G09G3/3233 ,  G09G3/342 ,  G09G3/3426 ,  G09G2310/0264 ,  G09G2320/064 ,  G09G2340/10 ,  H04N13/31 ,  H04N13/32 ,  H04N13/359 ,  H04N13/398 ,  H05B33/0812 ,  H05B33/0824 ,  H05B33/0827 ,  H05B33/0845

    Abstract: A light emitting diode driving circuit including a first LED array; a second LED array; an LED driving circuit configured to provide a constant current to the first LED array and/or the second LED array; a linear circuit configured to selectively provide a second current that is smaller than the constant current to the second LED array; and a driving controller configured to control the LED driving circuit and the linear circuit such that the constant current is selectively provided to the first LED array or the second LED array based on an operating mode, and such that the second current is provided to the second LED array only when the constant current is being provided to the first LED array.

    Abstract translation: 一种包括第一LED阵列的发光二极管驱动电路; 第二个LED阵列; LED驱动电路，被配置为向所述第一LED阵列和/或所述第二LED阵列提供恒定电流; 线性电路，被配置为选择性地向第二LED阵列提供小于恒定电流的第二电流; 以及驱动控制器，被配置为控制所述LED驱动电路和所述线性电路，使得基于操作模式选择性地将所述恒定电流提供给所述第一LED阵列或所述第二LED阵列，并且使得所述第二电流被提供给所述第二LED阵列 LED阵列只有当恒定电流被提供给第一LED阵列时。

    DISPLAY DEVICE AND METHOD FOR DRIVING BACKLIGHT THEREOF
    6.
    发明申请
    DISPLAY DEVICE AND METHOD FOR DRIVING BACKLIGHT THEREOF 审中-公开
    用于驱动背光的显示装置和方法

    公开(公告)号：US20160232832A1

    公开(公告)日：2016-08-11

    申请号：US14936001

    申请日：2015-11-09

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jeong-il KANG

    IPC: G09G3/20

    CPC classification number: G09G3/2014 ,  G09G3/2081 ,  G09G3/3406 ,  G09G2320/0271 ,  G09G2320/064 ,  G09G2330/02

    Abstract: A display device and a method for driving a backlight thereof are provided. The display device includes a signal generator configured to generate a first PWM (Pulse Width Modulation) signal and a second PWM signal, a low current driver configured to generate first output current using the first PWM signal, a high current driver configured to generate second output current using the second PWM signal, and a backlight configured to be driven by at least one of the first output current generated by the low current driver and the second output current generated by the high current driver. Accordingly, the display device can control the brightness of the backlight with an extended resolution which is higher than the resolution that can be output from the existing backlight.

    Abstract translation: 提供了一种用于驱动其背光的显示装置和方法。 显示装置包括：信号发生器，被配置为产生第一PWM（脉宽调制）信号和第二PWM信号;低电流驱动器，被配置为使用第一PWM信号产生第一输出电流;高电流驱动器，被配置为产生第二输出 使用第二PWM信号的电流以及被低电流驱动器产生的第一输出电流和由高电流驱动器产生的第二输出电流中的至少一个驱动的背光。 因此，显示装置可以以比从现有背光源输出的分辨率高的扩展分辨率来控制背光源的亮度。

    DISPLAY APPARATUS, LIGHT SOURCE DRIVING APPARATUS AND DRIVING METHOD THEREOF
    7.
    发明申请
    DISPLAY APPARATUS, LIGHT SOURCE DRIVING APPARATUS AND DRIVING METHOD THEREOF 有权
    显示装置，光源驱动装置及其驱动方法

    公开(公告)号：US20150062188A1

    公开(公告)日：2015-03-05

    申请号：US14269329

    申请日：2014-05-05

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jeong-il KANG

    IPC: G09G3/34

    CPC classification number: G09G3/3406 ,  G09G2320/0626 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/0646

    Abstract: Disclosed are a display apparatus, a light source driving apparatus and a driving method thereof, the display apparatus including: an image processor which is configured to process an image; and a controller which is configured to set a plurality of current levels corresponding to a plurality of screen modes for a display and control the display to perform a dimming by receiving a current level of a current which corresponds to a screen mode of the display.

    Abstract translation: 公开了一种显示装置，光源驱动装置及其驱动方法，所述显示装置包括：图像处理器，被配置为处理图像; 以及控制器，被配置为设置与用于显示的多个屏幕模式相对应的多个电流电平，并且通过接收与显示器的屏幕模式对应的电流的当前电平来控制显示器来执行调光。

    DISPLAY APPARATUS
    8.
    发明申请
    DISPLAY APPARATUS 审中-公开
    显示设备

    公开(公告)号：US20160329478A1

    公开(公告)日：2016-11-10

    申请号：US15079241

    申请日：2016-03-24

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Su-hwan JIN ,  Hyun-taek NA ,  Dae-hyun NAM ,  Dae-yeon YUN ,  Jeong-il KANG ,  Jin-hyun CHO

    IPC: H01L35/32 ,  H01L35/30 ,  F21V29/74

    CPC classification number: H01L35/32 ,  F21V29/74 ,  G09G5/00 ,  G09G2330/023 ,  H01L35/30

    Abstract: A display apparatus is provided. The display apparatus includes a display panel, a chassis configured to support the display panel, a backlight unit configured to be installed on the chassis, and an electricity generator configured to use the backlight unit as a heat source to generate electricity. The electricity generator includes a heat transfer unit which contacts the backlight unit, at least one heat storage unit which contacts the heat transfer unit, and at least one thermoelectric device comprising a heat generator and a heat absorber contacting the heat transfer unit. The at least one thermoelectric device absorbs heat, which is generated from the backlight unit, through the heat transfer unit in response to the backlight unit being driven and absorbs heat from the at least one heat storage unit through the heat transfer unit in response to the backlight unit not being driven.

    Abstract translation: 提供一种显示装置。 显示装置包括显示面板，配置为支撑显示面板的底座，被配置为安装在底盘上的背光单元，以及配置为使用背光单元作为热源发电的发电机。 发电机包括与背光单元接触的传热单元，与传热单元相接触的至少一个蓄热单元，以及至少一个包括发热体和与传热单元接触的热吸收体的热电装置。 所述至少一个热电装置响应于所述背光单元被驱动而通过所述传热单元吸收从所述背光单元产生的热量，并响应于所述热传导单元而从所述至少一个储热单元吸收热量 背光单元未被驱动。

    LIGHT EMITTING DIODE DRIVER CIRCUIT, DISPLAY APPARATUS INCLUDING THE SAME, AND METHOD FOR DRIVING LIGHT EMITTING DIODE
    9.
    发明申请
    LIGHT EMITTING DIODE DRIVER CIRCUIT, DISPLAY APPARATUS INCLUDING THE SAME, AND METHOD FOR DRIVING LIGHT EMITTING DIODE 有权
    发光二极管驱动电路，包括其的显示装置和驱动发光二极管的方法

    公开(公告)号：US20160309554A1

    公开(公告)日：2016-10-20

    申请号：US15095862

    申请日：2016-04-11

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jeong-il KANG

    IPC: H05B33/08 ,  G09G3/34 ,  G09G3/36

    CPC classification number: H05B33/0815 ,  G09G3/3406 ,  G09G3/36 ,  G09G2320/0626 ,  H05B33/0851

    Abstract: A light emitting diode (LED) driver circuit is provided. The light emitting diode (LED) driver circuit includes an LED array; an LED driving circuit configured to provide a constant current to the LED array by a switching operation of a switch element; and a driving controller configured to control the switch element using a clock signal of a preset frequency so that the constant current corresponding to a dimming signal is provided to the LED array. The driving controller varies a frequency of the clock signal in response to a signal value indicating that the dimming signal is being transitioned.

    Abstract translation: 提供了一种发光二极管（LED）驱动电路。 发光二极管（LED）驱动电路包括LED阵列; LED驱动电路，被配置为通过开关元件的开关操作向LED阵列提供恒定电流; 以及驱动控制器，被配置为使用预设频率的时钟信号来控制开关元件，使得对应于调光信号的恒定电流被提供给LED阵列。 驱动控制器响应于指示调光信号正在转变的信号值来改变时钟信号的频率。

    DISPLAY APPARATUS AND POWER SUPPLYING METHOD THEREOF
    10.
    发明申请
    DISPLAY APPARATUS AND POWER SUPPLYING METHOD THEREOF 有权
    显示装置及其供电方法

    公开(公告)号：US20160036271A1

    公开(公告)日：2016-02-04

    申请号：US14794924

    申请日：2015-07-09

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sang-Hoon LEE ,  Jeong-il KANG

    IPC: H02J9/06 ,  G09G5/00 ,  G09G3/36 ,  G09G3/34

    CPC classification number: H02J9/065 ,  G09G3/3406 ,  G09G2330/04

    Abstract: Disclosed are a display apparatus and a power supplying method thereof. The display apparatus includes: a backlight driver configured to drive a backlight to emit light; a main power supply configured to detect connection of the backlight to the backlight driver and supply a voltage to the backlight driver in response to a control voltage; and a standby power supply configured to supply the control voltage to the main power supply, in response to determining the connection of the backlight to the backlight driver.

    Abstract translation: 公开了一种显示装置及其供电方法。 显示装置包括：背光驱动器，被配置为驱动背光以发光; 主电源，被配置为检测背光源与背光驱动器的连接，并响应于控制电压向背光驱动器提供电压; 以及备用电源，被配置为响应于确定背光与背光驱动器的连接而向主电源提供控制电压。

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