公开(公告)号：US09437127B2

公开(公告)日：2016-09-06

申请号：US13719597

申请日：2012-12-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-sung Park ,  Hyung-rae Kim ,  Myoung-jun Lee ,  Sang-hoon Lee ,  Byeong-cheol Hyeon

IPC: G09G3/20 ,  G09G3/00 ,  G09G3/32

CPC classification number: G09G3/2003 ,  G09G3/003 ,  G09G3/2081 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2320/0252 ,  G09G2320/0271 ,  G09G2320/041 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2330/028 ,  G09G2340/16 ,  G09G2360/16

Abstract: A device and a method for displaying an image, a device and a method for supplying power, and a method for adjusting brightness of contents are provided. The device for displaying the image includes: a pixel value converter which, if a plurality of color pixel values of the image is received, converts the received color pixel values; a display panel which includes a plurality of color light-emitting devices and which drives each of the plurality of color light-emitting devices based on the converted color pixel values; a light-emission controller which provides the display panel with a control signal which variably controls respective driving times of each of the color light-emitting devices based on colors; and a global controller which controls the light-emission controller to variably adjust a duty ratio of the control signal based on colors and the converted color pixel values.

Abstract translation: 提供一种用于显示图像的装置和方法，用于供电的装置和方法以及调节内容亮度的方法。 用于显示图像的装置包括：像素值转换器，如果接收到图像的多个彩色像素值，则转换所接收的彩色像素值; 显示面板，其包括多个彩色发光装置，并且基于所转换的彩色像素值驱动所述多个彩色发光装置中的每一个; 发光控制器，为显示面板提供控制信号，该控制信号基于颜色可变地控制每个彩色发光装置的各个驱动时间; 以及控制发光控制器的全局控制器，其可以基于颜色和转换的彩色像素值可变地调节控制信号的占空比。

公开(公告)号：US10431149B2

公开(公告)日：2019-10-01

申请号：US15840685

申请日：2017-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-cheol Hyeon

IPC: G09G3/32 ,  H01L27/32 ,  G09G3/34

Abstract: A display apparatus is provided. The display apparatus includes a display including a plurality of display modules, and a processor configured to measure a first voltage according to a current flowing through reference pixels operating in a light reception mode by a light emitted from first adjacent pixels, to measure a second voltage according to a current flowing through reference pixels operating in the light reception mode by a light emitted from second adjacent pixels, and in response to a difference between the measured voltages is larger than or equal to a predetermined threshold value, to adjust a gain with respect to the second adjacent pixels based on amplitudes of the first voltage and the second voltage, and the first adjacent pixels are included in a different display module from the second adjacent pixels.

公开(公告)号：US09881545B2

公开(公告)日：2018-01-30

申请号：US14798642

申请日：2015-07-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae-hyeun Ha ,  Byeong-cheol Hyeon

IPC: H05B37/02 ,  H05B37/03 ,  G09G3/32

CPC classification number: G09G3/32 ,  G09G2320/0295 ,  G09G2330/12

Abstract: A light emitting diode (LED) display apparatus, including: a plurality of LED lines including a plurality of LEDs; a plurality of switches connected to respective LED lines among the plurality of LED lines; a controller configured to sequentially supply power to the plurality of LED lines by sequentially turning on and off the plurality of switches; and an LED driver configured to detect an error state of an LED from the plurality of LEDs by estimating current flowing through the plurality of LED lines, and to provide the controller with a result of the detection.

公开(公告)号：US08952622B2

公开(公告)日：2015-02-10

申请号：US13779929

申请日：2013-02-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-hoon Lee ,  Myoung-jun Lee ,  Byeong-cheol Hyeon

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0815 ,  H05B33/0827 ,  H05B33/0851

Abstract: A light emitting diode (LED) driving apparatus includes a DC-DC converter which provides a driving voltage to a plurality of LED arrays; a plurality of switching units, each of the switching units being connected in series to a corresponding LED array of the plurality of LED arrays and varying a size of a driving current to flow in the corresponding LED array of the plurality of LED arrays; and a control unit which, in order for each of the switching units to operate within a predetermined headroom voltage range, calculates a driving current of each of the plurality of LED arrays and a duty cycle of the switching units corresponding to each of the plurality of LED arrays, and controls the plurality of switching units based on the calculated driving current and the calculated duty cycle.

Abstract translation: 发光二极管（LED）驱动装置包括向多个LED阵列提供驱动电压的DC-DC转换器; 多个开关单元，每个所述开关单元串联连接到所述多个LED阵列的相应的LED阵列，并且改变驱动电流的大小以在所述多个LED阵列的相应LED阵列中流动; 以及控制单元，为了使每个开关单元在预定的净空电压范围内操作，计算多个LED阵列中的每一个的阵列的驱动电流和对应于多个LED阵列中的每一个的开关单元的占空比 LED阵列，并且基于所计算的驱动电流和所计算的占空比来控制多个开关单元。

公开(公告)号：US10460650B2

公开(公告)日：2019-10-29

申请号：US15672453

申请日：2017-08-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-cheol Hyeon

IPC: G09G3/32 ,  G09G3/36 ,  H04N13/398

Abstract: A display device includes a display including a plurality of LED lines, a scan driver for successively supplying a power to the plurality of LED lines, and a processor for controlling the scan driver to successively supply the power to the plurality of LED lines in a repeated manner for each of a plurality of sub-periods that form a scan period and changing a turn-on order of the plurality of LED lines for each of the plurality of sub-periods.

公开(公告)号：US10235120B2

公开(公告)日：2019-03-19

申请号：US14811975

申请日：2015-07-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seong-phil Cho ,  Tae-je Park ,  Ho-seop Lee ,  Byeong-cheol Hyeon

IPC: G06F3/14

Abstract: A display apparatus constituting a video wall system is provided. The display apparatus includes a display, a first communicator configured to perform communication with at least one adjacent display apparatus, and a processor configured to allocate identification information corresponding to the display apparatus based on identification information received from the adjacent display apparatus and information on a location relationship of the display device relative to the adjacent display apparatus and display a sub-image of an image through the display based on the allocated identification information.

公开(公告)号：US10127856B2

公开(公告)日：2018-11-13

申请号：US14168115

申请日：2014-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang-hoon Lee ,  Myoung-jun Lee ,  Eun-il Cho ,  Byeong-cheol Hyeon

IPC: G09G3/20 ,  G09G3/3208 ,  G09G3/3225

Abstract: Disclosed are a display apparatus and a control method thereof, the display apparatus including: a display unit which includes a plurality of pixels with an organic light emitting diode (OLED); a power supply which supplies power to the display unit; an image processor which processes an image signal in accordance with the plurality of pixels; and a controller which divides the frame into a plurality of sub-frames, assigns bit weights to each of the divided sub-frames, and controls the power supply to supply a voltage which is adjusted by the assigned bit weights in accordance with the sub-frames to the display unit.

公开(公告)号：US08994624B2

公开(公告)日：2015-03-31

申请号：US13725380

申请日：2012-12-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eun-il Cho ,  Joon-hyun Yang ,  Byeong-cheol Hyeon

IPC: G09G3/30 ,  G09G3/36 ,  G09G3/32

CPC classification number: G09G3/3696 ,  G09G3/3208 ,  G09G2330/021 ,  G09G2330/022 ,  G09G2330/027 ,  G09G2330/028

Abstract: A power supplying apparatus, a power supplying method, an organic light-emitting diode (OLED) display apparatus are provided. The OLED display apparatus includes: a plurality of components which are to perform an operation of the OLED display apparatus; a power supplying unit; a rectifier which rectifies an input voltage supplied from the power supplying unit; and a voltage level converter which converts a level of the input voltage rectified by the rectifier and supplies the input voltage having the converted level to the plurality of components.

Abstract translation: 提供了供电装置，供电方法，有机发光二极管（OLED）显示装置。 OLED显示装置包括：用于执行OLED显示装置的操作的多个部件; 供电单元; 对从供电单元供给的输入电压进行整流的整流器; 以及电压电平转换器，其转换由整流器整流的输入电压的电平，并将具有转换电平的输入电压提供给多个分量。

公开(公告)号：US10255857B2

公开(公告)日：2019-04-09

申请号：US15234475

申请日：2016-08-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-cheol Hyeon ,  Tae-hoon Kim

IPC: G09G3/3258

Abstract: An image display apparatus and a method for driving the same are provided. The image display apparatus includes a display panel including a light emitting element formed in a pixel area defined by intersection of a plurality of scan lines and a plurality of data lines, the display panel being configured to display an image by controlling the light emitting element, a discharger configured to perform a discharge operation of the plurality of scan lines by time-division control with respect to a discharge line connected to the plurality of scan lines in the number less than the plurality of scan lines, and a controller configured to control the light emitting element and the discharger.

公开(公告)号：US10123071B2

公开(公告)日：2018-11-06

申请号：US15671277

申请日：2017-08-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-cheol Hyeon

IPC: H04N5/46 ,  H04N21/435 ,  G06F3/14

Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a communicator configured to communicate with at least one of a plurality of display apparatuses and a processor configured to generate an image signal by converting correction data regarding each pixel of the plurality of display apparatuses into a data format according to an image signal standard, and control the communicator to transmit the image signal to any one of the plurality of display apparatuses through an interface corresponding to the image signal standard.