公开(公告)号：US20240393642A1

公开(公告)日：2024-11-28

申请号：US18797113

申请日：2024-08-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmin LEE ,  Sungyeol KIM ,  Hyungsuk KIM ,  Seungyong SHIN ,  Kyehoon LEE

IPC: G02F1/13357

Abstract: A display apparatus including a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel is provided. The backlight unit includes a bottom chassis; a first interface board disposed on a front surface of the bottom chassis; a plurality of light source modules disposed on the front surface of the bottom chassis, arranged at predetermined intervals, and each of the plurality of light source modules having one end connected to the first interface board; and a second interface board disposed on a rear surface of the bottom chassis and connected to the first interface board.

公开(公告)号：US20230402017A1

公开(公告)日：2023-12-14

申请号：US18125541

申请日：2023-03-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Jungmo Kang ,  Changhoon Kim ,  Yongmin Jung

IPC: G09G3/34 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G09G3/3426 ,  G02F1/133612 ,  G02F1/133603

Abstract: A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit light; a substrate including a plurality of dimming blocks arranged in rows and columns, each dimming block of the plurality of dimming blocks including at least one light source of the plurality of light sources; a first driving device configured to control a driving current applied to light sources in first dimming blocks of the plurality of dimming blocks; and a second driving device configured to control a driving current applied to light sources in second dimming blocks of the plurality of dimming blocks, wherein the first dimming blocks, the second dimming blocks, the first driving device, and the second driving device are arranged on a first side of the substrate, and a layout of the first dimming blocks is different from a layout of the second dimming blocks.

公开(公告)号：US20240144857A1

公开(公告)日：2024-05-02

申请号：US18392768

申请日：2023-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Jonghoon JUNG ,  Changhoon KIM ,  Yongmin JUNG ,  Jungmo KANG

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2096 ,  G09G3/2007 ,  G09G3/32 ,  G09G2320/0233 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2330/021

Abstract: A display device includes: a display panel; a light emitting unit; a driving circuit configured to control a driving current applied to the light emitting unit based on image data; and a controller configured to: obtain a selected mode of one of a low grayscale mode or a high grayscale mode based on a required luminance included in the image data, obtain a minimum value and a maximum value of the driving current based on the selected mode, based on an output range of the driving current being adjusted to obtain an adjusted output range, increase a number of luminance levels expressible within the adjusted output range to obtain an increased number of luminance levels, and control the driving circuit based on the increased number of luminance levels.

公开(公告)号：US20240036398A1

公开(公告)日：2024-02-01

申请号：US18195471

申请日：2023-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Sungyeol Kim ,  Hyukjun Jang

IPC: G02F1/1335

CPC classification number: G02F1/133612 ,  G02F1/133613 ,  G02F2203/48

Abstract: In some embodiments, a display apparatus includes a liquid crystal panel, and a light apparatus including a substrate including a plurality of dimming blocks that are arranged in a matrix, a power wire configured to supply power to the plurality of dimming blocks, and a plurality of driving devices configured to control a driving current supplied to the plurality of dimming blocks. Each dimming block of the plurality of dimming blocks includes a plurality of light sources. A second dimming block of the plurality of dimming blocks is arranged in an (n+1)th row adjacent to the nth row. The power wire is arranged between the nth row corresponding to the first dimming block and the (n+1)th row. The power wire is coupled to a first light source of the first dimming block and to a second light source of the second dimming block.

公开(公告)号：US20230057742A1

公开(公告)日：2023-02-23

申请号：US17982165

申请日：2022-11-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Kyehoon LEE ,  Sungyeol KIM ,  Jonghoon JUNG

IPC: G09G3/36

Abstract: A display device, which fixes the magnitude of a driving current flowing through light-emitting devices in a low luminance region and controls an application period of the driving current, includes: light-emitting devices; a processor for controlling the light-emitting devices on the basis of a gray level required for the light-emitting devices in each unit frame; and a timing controller which divides the unit frame into a plurality of sub-frames and generates a scan signal corresponding to each sub-frame. The processor: when the gray level is greater than or equal to a preset value, determines a luminance value of the light-emitting devices on the basis of the gray level and turns on the light-emitting devices with the determined luminance value in all of the plurality of sub-frames; when the gray level is less than the preset value, determines a light-emitting period of the light-emitting devices on the basis of the gray level and divides, on the basis of the light-emitting period, the plurality of sub-frames into a first and a second sub-frame group; turns on the light-emitting devices with a preset luminance value in all sub-frames belonging to the first sub-frame group; and turns off the light-emitting devices in sub-frames belonging to the second sub-frame group or turns on the light-emitting devices with a luminance value less than the preset luminance value.

公开(公告)号：US20240184169A1

公开(公告)日：2024-06-06

申请号：US18374397

申请日：2023-09-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyeol KIM ,  Chunsoon PARK ,  Seungyong SHIN ,  Hyukjun JANG

IPC: G02F1/1345 ,  G02F1/13357 ,  G02F1/1362

CPC classification number: G02F1/13452 ,  G02F1/133603 ,  G02F1/136286

Abstract: A display apparatus includes a display panel; and a backlight unit configured to provide light to the display panel. The backlight unit includes: a substrate including a first surface facing the display panel; a light source disposed on the first surface; a driving element disposed on the first surface to drive the light source; a plurality of lines provided on the first surface; and at least one jumper connector disposed on the first surface. Each of the at least one jumper connector corresponds to a first line and a second line of the plurality of lines, such that the jumper connector is disposed in a crossing region of the first surface at which the first line crosses the second line, and the jumper connector electrically connects with the first line and guides the second line to be spaced apart from the first line.

公开(公告)号：US20240127745A1

公开(公告)日：2024-04-18

申请号：US18395105

申请日：2023-12-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Jungmo Kang ,  Changhoon Kim ,  Yongmin Jung ,  Jonghoon Jung

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/04 ,  G09G2310/08 ,  G09G2320/0633 ,  G09G2330/021 ,  G09G2370/16

Abstract: A display device includes: Light Emitting Diode (LED) blocks connected in series; a driver Integrated Circuit which supplies a current to the LED blocks and is connected in series to one of the LED blocks; switching elements connected in parallel to the LED blocks; and a controller for controlling on/off of the switching elements to adjust which LED block to supply the current, over a time for implementing a unit frame.

公开(公告)号：US20240302694A1

公开(公告)日：2024-09-12

申请号：US18666227

申请日：2024-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyukjun JANG ,  Kyehoon LEE ,  Youngmin LEE ,  Yonghun KWON ,  Sunyoung KIM ,  Hyungsuk KIM ,  Seungyong SHIN

IPC: G02F1/13357 ,  G02F1/1335

CPC classification number: G02F1/133603 ,  G02F1/133608 ,  G02F1/133612

Abstract: A display device includes: a display panel; a light source module on a rear side of the display panel and configured to generate light supplied to the display panel, the light source module including a plurality of light sources configured to emit light and a printed circuit board (PCB) on which the plurality of light sources are provided; and a bottom chassis on a rear side of the light source module and on which the light source module is provided, wherein the PCB includes: an insulating layer, a first conductive layer on a lower surface of the insulating layer, and a second conductive layer on an upper surface of the insulating layer, and an area of the second conductive layer is smaller than an area of the first conductive layer, and the PCB is convexly bent in a direction toward the display panel.

公开(公告)号：US20240280858A1

公开(公告)日：2024-08-22

申请号：US18540522

申请日：2023-12-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Jungmo KANG ,  Changhoon KIM ,  Yongmin JUNG

IPC: G02F1/1335

CPC classification number: G02F1/133612

Abstract: A display apparatus includes a liquid crystal panel; and a light source apparatus. The light source apparatus includes a substrate comprising a first side directed to the liquid crystal panel; at least one dimming block disposed on the first side of the substrate and each comprising at least one light source; at least one driving device disposed on the first side of the substrate and each configured to drive the at least one dimming block; and at least one signal line disposed on the substrate. The at least one signal line includes: a timing line configured to transmit a timing signal to the at least one driving device, a data line configured to transmit a data signal to the at least one driving device, or a power line configured to transmit a power signal to the at least one driving device.

公开(公告)号：US20240363085A1

公开(公告)日：2024-10-31

申请号：US18769031

申请日：2024-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungyong SHIN ,  Kyehoon LEE ,  Sungyeol KIM ,  Jonghoon JUNG

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0271

Abstract: A display device, which fixes the magnitude of a driving current flowing through light-emitting devices in a low luminance region and controls an application period of the driving current, includes: light-emitting devices; a processor for controlling the light-emitting devices on the basis of a gray level required for the light-emitting devices in each unit frame; and a timing controller which divides the unit frame into a plurality of sub-frames and generates a scan signal corresponding to each sub-frame. The processor: when the gray level is greater than or equal to a preset value, determines a luminance value of the light-emitting devices on the basis of the gray level and turns on the light-emitting devices with the determined luminance value in all of the plurality of sub-frames; when the gray level is less than the preset value, determines a light-emitting period of the light-emitting devices on the basis of the gray level and divides, on the basis of the light-emitting period, the plurality of sub-frames into a first and a second sub-frame group; turns on the light-emitting devices with a preset luminance value in all sub-frames belonging to the first sub-frame group; and turns off the light-emitting devices in sub-frames belonging to the second sub-frame group or turns on the light-emitting devices with a luminance value less than the preset luminance value.