公开(公告)号：US10431140B2

公开(公告)日：2019-10-01

申请号：US15133797

申请日：2016-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Se Young Heo ,  Jong Jae Lee ,  Seok Hwan Lee ,  Jun Ki Hong

IPC: G09G5/00 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/36

Abstract: A display device includes a display unit including pixels coupled to scan lines and data lines, a data driver which supplies a data signal to pixels through the data lines, a scan driver which generates a scan signal using a first scan voltage and a second scan voltage, and supplying the scan signal to the pixels through the scan lines, a processor which generates first scan voltage information by setting a first scan voltage level, based on an ambient temperature of the display device, a timing controller which generates a power control signal using the first scan voltage information and delta voltage information, and a power supply which generates the first scan voltage and a delta voltage using the power control signal, and generates the second scan voltage by dropping the delta voltage from the first scan voltage.

公开(公告)号：US10186960B2

公开(公告)日：2019-01-22

申请号：US15183934

申请日：2016-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seok Hwan Lee ,  Jong Jae Lee ,  Yang Uk Nam ,  Se Young Heo ,  Jun Ki Hong

IPC: H02M3/156 ,  G09G3/20 ,  H02M1/08 ,  H02M1/00

Abstract: A power supply includes a voltage converter circuit which converts an input voltage into an output voltage and outputs the output voltage, a voltage controller which controls the voltage converter circuit in response to a first feedback voltage or a second feedback voltage, a feedback terminal which supplies the first feedback voltage, an internal voltage divider circuit which supplies the second feedback voltage, and a switch unit which transfers the first feedback voltage or the second feedback voltage to the voltage controller.

公开(公告)号：US09514689B2

公开(公告)日：2016-12-06

申请号：US14643465

申请日：2015-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Seok Hwan Lee ,  Seung Young Choi ,  Byung Kyou Min ,  Dae Sik Lee

IPC: G09G3/34

CPC classification number: G09G3/3406 ,  G09G3/3426 ,  G09G2320/0247 ,  G09G2320/062 ,  G09G2320/0626 ,  G09G2320/0646 ,  G09G2360/16

Abstract: A display device includes at least one light source array configured to provide a display panel with light, a dimming signal generating unit configured to receive an image data signal and generate a dimming signal, a first comparator configured to receive the dimming signal output from the dimming signal generating unit and a preset critical value and generate a comparison signal, a dimming modulating unit configured to receive the comparison signal output from the first comparator and the dimming signal output from the dimming signal generating unit and modulate the dimming signal, a constant current controller configured to receive the dimming signal output from the dimming modulating unit and a voltage from a sensor node, and to control a light driving current driving the light source array, and a resistor controller configured to change resistors connected to the sensor node by the comparison signal output from the first comparator.

Abstract translation: 显示装置包括被配置为向显示面板提供光的至少一个光源阵列，调光信号产生单元，被配置为接收图像数据信号并产生调光信号;第一比较器，被配置为接收从调光输出的调光信号 信号生成单元和预设临界值，并生成比较信号;调光调制单元，被配置为接收从第一比较器输出的比较信号和从调光信号生成单元输出的调光信号，并调制调光信号;恒流控制器 被配置为接收从调光单元输出的调光信号和来自传感器节点的电压，并且控制驱动光源阵列的光驱动电流;以及电阻控制器，被配置为通过比较信号来改变连接到传感器节点的电阻器 从第一比较器输出。

公开(公告)号：US10424917B2

公开(公告)日：2019-09-24

申请号：US15135935

申请日：2016-04-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun ki Hong ,  Jong Jae Lee ,  Seok Hwan Lee ,  Se Young Heo

IPC: H02H9/02

Abstract: An overcurrent protective system includes a current detector which detects a current flowing in an element which is to be protected by the overcurrent protective system, an overcurrent counting unit which selects an overcurrent sensing level corresponding to the element among a plurality of overcurrent sensing levels which are threshold values becoming standards for determining whether the current detected by the current detector is a normal current or an overcurrent and which determines whether the current is the overcurrent or not by comparing the current with the selected overcurrent sensing level, and a controller which decreases an output voltage of a circuit which is to be protected by the overcurrent protective system and includes the element when the current flowing in the element is determined as the overcurrent.

公开(公告)号：US09529561B2

公开(公告)日：2016-12-27

申请号：US14452692

申请日：2014-08-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seok Hwan Lee ,  Dae-Sik Lee ,  Hwan Woong Lee ,  Seung Young Choi

IPC: G09G5/10 ,  G06F3/14 ,  G09G3/34

CPC classification number: G06F3/1423 ,  G09G3/3406 ,  G09G3/342 ,  G09G2320/0233 ,  G09G2360/145

Abstract: A display device is provided. The display device includes a display panel, a backlight unit, and a luminance comparison unit. The backlight unit is configured to supply light to the display panel. The luminance comparison unit is configured to compare a measured luminance of the display panel with a reference luminance range. The backlight unit includes a light source unit, a DC-DC converter, and a driving current controller. The DC-DC converter is configured to supply a driving voltage to the light source unit, and the driving current controller is configured to control a driving current flowing to the light source unit based on the comparison result of the luminance comparison unit.

Abstract translation: 提供显示装置。 显示装置包括显示面板，背光单元和亮度比较单元。 背光单元被配置为向显示面板提供光。 亮度比较单元被配置为将显示面板的测量亮度与参考亮度范围进行比较。 背光单元包括光源单元，DC-DC转换器和驱动电流控制器。 DC-DC转换器被配置为向光源单元提供驱动电压，并且驱动电流控制器被配置为基于亮度比较单元的比较结果来控制流向光源单元的驱动电流。

公开(公告)号：US20140144688A1

公开(公告)日：2014-05-29

申请号：US13833729

申请日：2013-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHUNG-WON CHOI ,  Seok Hwan Lee ,  Min-Soo Choi

IPC: H05K1/18 ,  H05K13/04

CPC classification number: H05K1/111 ,  H05K3/3421 ,  H05K2201/09381 ,  Y02P70/611

Abstract: Provided are a circuit board, and a method of mounting an electronic component on the circuit board. The circuit board according to an exemplary embodiment of the present invention includes: a pad pattern including a basic pattern and one or more additional patterns connected to the basic pattern, in which the basic pattern includes a region in which a connection terminal of an electronic component is attached by solder, the one or more additional patterns include regions in which the connection terminal of the electronic component is not attached, and the basic pattern includes an exposed side or an exposed point capable of limiting a mounting position so as to prevent the electronic component from exceeding an alignment margin.

Abstract translation: 提供一种电路板以及将电子部件安装在电路板上的方法。 根据本发明的示例性实施例的电路板包括：衬垫图案，其包括基本图案和连接到基本图案的一个或多个附加图案，其中基本图案包括其中电子部件的连接端子 通过焊料附着，一个或多个附加图案包括其中未附接电子部件的连接端子的区域，并且基本图案包括能够限制安装位置的暴露侧或露出点，以防止电子 组件超过对齐边距。