Samsung Electronics Co., Ltd.

Chunsoon Park

Sungyeol Kim

Kyehoon Lee

Hyungsuk Kim

Hyukjun Jang

Kyungsoo Park

Taeyeon Kim

Youngmin Lee

Junsung Choi

Jonghoon Jung

Seungyong Shin

Seungjae Lee

Seokwoo Yong

Youngchol Lee

Yonghun Kwon

Punjae Choi

Sungho Jun

Keunbum Lee

Hanmi Choi

Sooyoung Park

A light source device includes: a reflective sheet including a hole formed therein; and a light source module including a portion inserted into the hole, a substrate including a first layer including a feeding line, and a second layer laminated in an upper portion of the first layer, a light-emitting diode on the second layer, a feeding pad, connected to the feeding line, in a window formed in the second layer and configured to contact the light-emitting diode, an insulating dome on the second layer, and an antistatic pad on the second layer and including a silver plating layer, a first antistatic pad within a region defined by the hole, and a second antistatic pad outside of the region defined by the hole and extending in the longitudinal direction of the feeding line spaced a first length therefrom in the width direction of the feeding line.

Display device and light source device therefor

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 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 light source device comprises a diffuser plate and a light source module disposed behind the diffuser plate. The light source module includes a substrate, a plurality of light emitting diodes mounted on the substrate, and a plurality of reflective layers each provided on a front surface of the plurality of light emitting diodes. When a distance between the centers of each of the plurality of light emitting diodes is referred to as a pitch, and a distance between the diffuser plate and the substrate is referred to as an optical distance, a ratio of the pitch to the optical distance satisfies the following expression: 2.5≤pitch/optical distance≤4.5.

Display apparatus and light source device thereof

A display apparatus is provided that includes: a printed circuit board (PCB); a light emitting diode (LED) chip mounted on the PCB and configured to emit light; an optical dome disposed over and enclosing the LED chip; a distributed Bragg reflector (DBR) layer arranged on an upper surface of the LED chip; a liquid crystal panel configured to block or pass light output from the LED chip; an optical film arranged between the LED chip and the liquid crystal panel, wherein the optical film comprises a quantum dot sheet formed to enhance color reproducibility by making a change in wavelength of light.

A display apparatus, includes: a liquid crystal panel; and a backlight configured to provide light to the liquid crystal panel, the backlight including a substrate and a light-emitting diode (LED) that is mounted on the substrate. The LED includes a plurality of light-emitting layers configured to emit light of different wavelengths. A wavelength of light emitted from each of the plurality of light-emitting layers is greater than or equal to 430 nm and less than or equal to 480 nm.

Display apparatus including LED with plurality of light emitting layers

According to the disclosure, a display apparatus includes a printed circuit board (PCB), a light emitting diode (LED) chip mounted on the PCB and configured to emit light, an optical dome formed to enclose the LED chip by being dispensed on the LED chip, and a liquid crystal panel configured to block or pass light output from the LED chip, wherein the optical dome may be formed to satisfy 1.70<r1/r0<1.83 where r0 is a straight distance for light vertically emitted from the LED chip to reach a surface of the optical dome and r1 is a straight distance for maximum output light emitted from the LED chip to reach the surface of the optical dome.

Display apparatus and light source device thereof with optical dome

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

A display apparatus includes a reflective sheet through which a through hole is disposed, and a light source module exposed through the through hole. The light source module includes a substrate on which the reflective sheet is disposed, and a light emitting diode disposed on a portion of the substrate, the portion corresponding to the through hole. The light source module further includes an optical dome covering the light emitting diode, and a first light pattern disposed on the substrate and inside the optical dome, the first light pattern including a material having a reflectivity higher than a reflectivity of the substrate.

A light source device includes a substrate, a reflective sheet on the substrate and including a through hole, a light source on the substrate, and exposed through the through hole of the reflective sheet, the light source including a light emitting diode (LED), and a quantum dot sheet configured to convert a color of light emitted from the light source, where the substrate includes a diffuse reflection layer exposed through the through hole of the reflective sheet and configured to diffusely reflect light emitted from the light source and light reflected from the quantum dot sheet.

Display apparatus and light source device

Provided is a display apparatus having an improved degree of freedom in wiring design, the display apparatus including: a liquid crystal panel; and a light source apparatus, wherein the light source apparatus includes: a substrate; and a plurality of light emitting diodes (LEDs) provided on the substrate, wherein each of the plurality of LEDs has a lower surface in contact with a first feeding pad and a second feeding pad formed on the substrate, the lower surface of each of the plurality of LEDs includes a first contact area provided to be in contact with the first feeding pad, a second contact area provided to be in contact with the second feeding pad, and a non-contact area other than the first contact area and the second contact area on the lower surface, and each of the first contact area and the second contact area is smaller than the non-contact area.

A display apparatus is provided. The display apparatus includes a display panel; and a light emitting diode (LED) chip configured to emit light to the display panel. The LED chip includes: a light emitting layer configured to emit light; a semiconductor layer provided on the light emitting layer; and a growth substrate provided on the semiconductor layer. The light emitting layer is arranged to be biased toward a first side of the growth substrate such that a center of an upper surface of the growth substrate is provided between a center of the light emitting layer and a center of the semiconductor layer.

Growing community of inventors

Suwon-si, South Korea

Chunsoon Park