LED DRIVING APPARATUS AND METHOD AND DISPLAY APPARATUS USING THE LED DRIVING APPARATUS AND METHOD
    21.
    发明申请
    LED DRIVING APPARATUS AND METHOD AND DISPLAY APPARATUS USING THE LED DRIVING APPARATUS AND METHOD 审中-公开
    LED驱动装置和使用LED驱动装置的方法和显示装置和方法

    公开(公告)号:US20130113844A1

    公开(公告)日:2013-05-09

    申请号:US13668868

    申请日:2012-11-05

    CPC classification number: G09G3/3406 H05B33/0887 Y02B20/341

    Abstract: A display apparatus is provided. The display apparatus includes a display panel which displays an image; a light-emitting diode (LED) module which provides backlight to the display panel; an LED driving unit which applies a driving voltage to the LED module; and an LED driving control unit which senses the driving voltage from the LED module and stops an operation of the LED driving unit if the sensed driving voltage is lower than a first reference voltage or higher than a second reference voltage.

    Abstract translation: 提供一种显示装置。 显示装置包括显示图像的显示面板; 向显示面板提供背光的发光二极管(LED)模块; LED驱动单元,其向LED模块施加驱动电压; 以及LED驱动控制单元,其如果感测的驱动电压低于第一参考电压或高于第二参考电压,则感测来自LED模块的驱动电压并停止LED驱动单元的操作。

    POWER SUPPLY DEVICE, DISPLAY SYSTEM COMPRISING SAME, AND POWER SELECTION METHOD FOR POWER SUPPLY DEVICE

    公开(公告)号:US20210200288A1

    公开(公告)日:2021-07-01

    申请号:US16492253

    申请日:2018-01-23

    Abstract: A power supply device and a display system including the same are provided. A power supply device according to the disclosure is disposed so as to be spaced apart from a display device and supplies power to the display device, and includes a first power supplier which supplies power to the display device through a cable in a wired manner, a second power supplier which supplies power to the display device in a wireless manner, a detector for detecting whether the power supply device is connected to the display device through the cable, and a processor configured to control the second power supplier in a state in which the display device and the power supply device are disconnected, such that power is supplied in the wireless manner, and control the first power supplier based on detecting connection between the display device and the power supply device, such that power is supplied in the wired manner.

    CONVERTIBLE STAND OF DISPLAY APPARATUS
    24.
    发明申请

    公开(公告)号:US20180270443A1

    公开(公告)日:2018-09-20

    申请号:US15921928

    申请日:2018-03-15

    Inventor: Jeong-il KANG

    Abstract: A convertible stand of a display apparatus is provided. In more detail, the convertible stand of the display apparatus supports a display body in a first state or a second state, the first state being a standing state and the second state being a wall-mounted state. In addition, the convertible stand of the display apparatus is coupled to a rear cover of a display body and supports the display body in the first state and the second state.

    DISPLAY DEVICE
    26.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号:US20170287389A1

    公开(公告)日:2017-10-05

    申请号:US15418288

    申请日:2017-01-27

    Inventor: Jeong-il KANG

    Abstract: A display device is provided, which includes a light emitter including an LED array; a current detector configured to detect current that flows through the LED array; a driving circuit configured to provide constant current to the LED array; and a cable including a first line configured to provide the constant current that is provided from the driving circuit to the light emitter, and a second line configured to connect a node, to which the current detector and the driving circuit are commonly connected, and the driving circuit to each other.

    DISPLAY APPARATUS, LED DRIVING CIRCUIT AND CONTROL METHOD THEREOF
    28.
    发明申请
    DISPLAY APPARATUS, LED DRIVING CIRCUIT AND CONTROL METHOD THEREOF 审中-公开
    显示装置,LED驱动电路及其控制方法

    公开(公告)号:US20170004778A1

    公开(公告)日:2017-01-05

    申请号:US15017967

    申请日:2016-02-08

    Inventor: Jeong-il KANG

    CPC classification number: G09G3/3426 G09G2330/025 H05B33/0827 H05B33/086

    Abstract: Disclosed is a display apparatus comprising: a signal receiver configured to receive an image signal; a signal processor configured to process the received image signal; a display comprising a display panel which displays an image based on the processed image signal, and a plurality of light emitting diode (LED) groups each of which comprises a plurality of LEDs connected in series and the LED groups being connected in parallel with each other to emit light for an image to be displayed on the panel in accordance with a driving current; a plurality of switches respectively provided in the LED groups and selectively cutting off flow of a driving current in each LED group; a voltage adjuster configured to apply a driving voltage to the plurality of LED groups; and a controller configured to control the plurality of switches so that the driving current can flow in the LED group to be driven among the plurality of LED groups, and to control the voltage adjuster so that the applied driving voltage can have a preset level based on the number of LED groups to be driven and a level of a total driving current flowing in the plurality of LED groups and sensed by a current sensor.Thus, local dimming of the display apparatus is controlled by one controller; thereby a display apparatus of which circuit is simplified and material costs has been decreased compared to the case where a plurality of controller control local dimming is provided.

    Abstract translation: 因此,显示装置的局部调光由一个控制器控制; 从而与提供多个控制器控制局部调光的情况相比,其电路简化并且材料成本已经降低的显示装置。

    POWER SUPPLY AND DISPLAY DEVICE
    29.
    发明申请
    POWER SUPPLY AND DISPLAY DEVICE 审中-公开
    电源和显示设备

    公开(公告)号:US20160358554A1

    公开(公告)日:2016-12-08

    申请号:US14952226

    申请日:2015-11-25

    Abstract: A display device is provided, which includes a panel configured to display an image using an LED backlight configured to emit light incident on the panel, an image signal interface configured to provide an image signal to the panel, and a power supply including an LED driver configured to generate constant current, wherein the LED driver is detachable from the power supply.

    Abstract translation: 提供了一种显示装置,其包括被配置为使用被配置为发射入射在面板上的光的LED背光来显示图像的面板,被配置为向面板提供图像信号的图像信号接口,以及包括LED驱动器 被配置为产生恒定电流,其中所述LED驱动器可从所述电源拆卸。

    LIGHT EMITTING DIODE DRIVING CIRCUIT, LIGHT EMITTING DIODE CONTROLLING CIRCUIT, AND METHOD OF CONTROLLING LIGHT EMITTING DIODE
    30.
    发明申请
    LIGHT EMITTING DIODE DRIVING CIRCUIT, LIGHT EMITTING DIODE CONTROLLING CIRCUIT, AND METHOD OF CONTROLLING LIGHT EMITTING DIODE 有权
    发光二极管驱动电路,发光二极管控制电路和控制发光二极管的方法

    公开(公告)号:US20150296576A1

    公开(公告)日:2015-10-15

    申请号:US14577350

    申请日:2014-12-19

    Inventor: Jeong-il KANG

    CPC classification number: H05B33/0815 H05B33/089

    Abstract: A light emitting diode controlling circuit includes a first integrator configured to integrate a voltage value across a resistor of a light emitting diode driving circuit, a second integrator configured to integrate a predetermined reference current value, a comparator configured to compare a first integral value output from the first integrator and a second integral value output from the second integrator, and a controller configured to control a switch according to result of comparing the first integral value and the second integral value.

    Abstract translation: 一种发光二极管控制电路,包括:第一积分器,被配置为将发光二极管驱动电路的电阻器两端的电压值积分,构成为对预定的基准电流值进行积分的第二积分器;比较器, 第一积分器和从第二积分器输出的第二积分值,以及控制器,被配置为根据比较第一积分值和第二积分值的结果来控制开关。

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