Samsung Electronics Co., Ltd.

Hyukjun Jang

Sungyeol Kim

Hyungsuk Kim

Youngmin Lee

Kyehoon Lee

Chunsoon Park

Seungyong Shin

Taeyeon Kim

Jaewoo Kim

Kyungsoo Park

Sunyoung Kim

Junsung Choi

Yonghun Kwon

A display apparatus may include: at least one LED block including LEDs connected in series; a driver IC configured to apply a voltage to the at least one LED block; at least one processor; and memory storing at least one instruction that, when executed by the at least one processor, cause the display apparatus to: detect at least one forward voltage of the at least one LED block, respectively, based on a first voltage being applied to the at least one LED block; determine a margin voltage based on a difference between the first voltage and the at least one forward voltage; and determine a second voltage to be applied to the at least one LED block based on the first voltage and the margin voltage.

Display apparatus and control method thereof

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)row adjacent to the nrow. The power wire is arranged between the nrow corresponding to the first dimming block and the (n+1)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.

Display apparatus and light apparatus thereof

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.

Display apparatus

A display apparatus includes a liquid crystal panel; and a backlight unit configured to provide light to the liquid crystal panel, wherein the backlight unit includes: a substrate; and a plurality of light emitting diode groups provided on an upper surface of the substrate, wherein each of the plurality of light emitting diode groups includes a red light emitting diode, a green light emitting diode, and a blue light emitting diode, wherein each of the red light emitting diode, the green light emitting diode, and the blue light emitting diode includes: a light emitting layer; and a distributed Bragg reflector (DBR) provided on the light emitting layer, and wherein reflectivities of the distributed Bragg reflectors of the red light emitting diode, the green light emitting diode, and the blue light emitting diode are within a same range of reflectivity according to an incident angle of light incident on the DBRs.

Backlight unit including a plurality of LEDs and associated distributed bragg reflectors

A display apparatus includes: a substrate; a plurality of driving regions arranged in a plurality of rows and a plurality of columns on the substrate, each of the plurality of driving regions comprising a plurality of light emitting devices; and a plurality of driving devices configured to drive the plurality of light emitting devices of the plurality of driving regions, wherein a first driving device of the plurality of driving devices is provided in a first driving region of the plurality of driving regions, and a second driving device of the plurality of driving devices is configured to drive the plurality of light emitting devices of the first driving region.

A light source apparatus includes an optical member; a substrate provided at a first side of the optical member; a light source provided on the substrate and configured to emit light; and a supporter provided between the optical member and the substrate, wherein the supporter includes: a supporter body provided on the substrate; a curing device provided in the supporter body; and an adhesive member provided at a first end of the supporter body that is nearest to the optical member.

Display apparatus and light source apparatus thereof

A display apparatus includes a display panel, a printed circuit board defining an upper surface, a lower surface opposite the upper surface, and a through-hole, a plurality of light sources mounted on the upper surface of the printed circuit board and configured to emit light to the display panel, and a connector inserted into the through-hole on the upper surface of the printed circuit board. The connector includes a connector body inserted into the through-hole, and a plurality of connector terminals disposed in proximity to the upper surface of the printed circuit board. The connector terminals are configured to electrically connect the connector body to a portion of the printed circuit board, and may in certain embodiments connect a first portion of the printed circuit board on one side of the connector body to a second portion of the printed circuit board on an opposite of the connector body.

Connector, printed circuit board mounting the connector, and display apparatus including the same

A light source apparatus includes: a light source including a light emitting diode and an optical dome covering the light emitting diode; and a substrate supporting the light source, wherein the substrate may include: a conduction layer that is electrically conductive; a first protective layer disposed on the conduction layer and on which the optical dome is disposed, the first protective layer including a first exposed portion exposing a portion of the conduction layer to connect the conduction layer and the light emitting diode; and a second protective layer disposed on the first protective layer, the second protective layer including a second exposed portion exposing a portion of the first protective layer at which the optical dome is disposed on the first protective layer.

Light source apparatus and display apparatus

A display apparatus includes a liquid crystal panel; and a light source apparatus including a substrate on which a plurality of light emitting diodes (LEDs) are arranged where the plurality of LEDs include a plurality of first LEDs configured to be connected in series to each other by a wiring formed on the substrate, and a plurality of second LEDs configured to be connected in series to each other by a wiring formed on the substrate, and the substrate includes a first connection portion formed between a first LED of the plurality of first LEDs and a second LED of the plurality of second LEDs.

Light source apparatus, method for manufacturing light source apparatus, and display apparatus comprising light source apparatus

Disclosed herein is a display apparatus. The display apparatus includes: a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel. The backlight unit includes: a substrate extending along a first direction; a light emitting diode provided on the substrate; a refractive cover provided on the light emitting diode to refract light emitted from the light emitting diode; and a lens provided on the substrate and the refractive cover, the lens comprising a bottom surface having a first length in the first direction that is less than a second length in a second direction perpendicular to the first direction.

A display apparatus is provided. The display apparatus includes: a backlight unit including a substrate and light sources configured to emit light to a liquid crystal panel; and a processor configured to: identify a plurality of dimming blocks, each of which includes at least one light source among the plurality of light sources; predict a temperature for each of the plurality of dimming blocks based on a dimming signal corresponding to an input image and current-specific temperature profile information corresponding to the plurality of dimming blocks; update the dimming signal based on the temperature predicted for each of the plurality of dimming blocks; and control a supply current for each of the plurality of dimming blocks based on the dimming signal.

Display apparatus and method of controlling the same

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.

Display device

Provided is a display apparatus including: a liquid crystal panel; a substrate; a light source module disposed on the substrate. The light source module includes a light emitting diode disposed on the substrate, a feed pad provided on the substrate, an antistatic pad provided on the substrate; and an insulating dome provided on the substrate and covering the light emitting diode. The antistatic pad is divided into two parts by an outline of the insulating dome.

Display apparatus including antistatic portion

A display apparatus includes: a display panel; and a light source device configured to provide light to the display panel, wherein the light source device may include: an optical member; a substrate including a first side facing the display panel and the optical member; a light source provided on the first side of the substrate; a driving element provided on the first side of the substrate and configured to drive the light source; a plurality of lines provided on the first side of the substrate, the plurality of lines including a first line and a second line that is connected to the driving element; and a jumper supporter provided on the first side of the substrate in an area where the first line intersects the second line, the jumper supporter being configured to support the optical member, to electrically connect the first line, and to guide the second line to be spaced apart from the first line.

A light emitting diode (LED) includes a substrate having a bar shape; a plurality of LEDs provided on the substrate; and a wiring pattern provided on the substrate and configured to transmit driving currents to the plurality of LEDs, wherein the wiring pattern has a shape that is bent multiple times so that the driving currents flow in opposite directions in lines aligned adjacent and parallel to each other.

Growing community of inventors

Suwon-si, South Korea

Hyukjun Jang