Seoul Semiconductor Co., Ltd.

Seoul Viosys Co., Ltd.

Eun Ju Kim

Jae Eun Park

Ki Bum Nam

Seung Ri Choi

Hee Soo Lim

Chung Hoon Lee

Jung Hwa Jung

Young Jun Song

Young Eun Yang

Jae Young Choi

Bang Hyun Kim

Jeong A Han

Jung Doo Kim

Sung Ki Hwang

Kyung Hee Ye

Hyuck Jung Choi

Ji Hye Ahn

A light module includes a support including a first region and a second region, a light source disposed on the support, and a reflector disposed on the support and covering at least a side of the light source. The reflector includes a first reflector disposed on the first region and a second reflector disposed on the second region. The first reflector includes a first slope extending along a longitudinal direction of the first region, and the second reflector includes a second slope extending along a longitudinal direction the second region. The second slope has a width that is longer than a width of the first slope.

Sterilization apparatus

A display apparatus including a frame, light emitting diode chips separated from each other and regularly arranged in a matrix on the frame, an optical part including a display panel and at least one of a phosphor sheet and an optical sheet, a light guide plate disposed between the frame and the optical part to cover the light emitting diode chips, at least one reflector disposed between the frame and the light guide plate to reflect at least part of light emitted from the light emitting diode chip to direct at least part of light emitted therefrom to the light guide plate, and a first-type electrode and a second-type electrode, in which at least one of the light emitting diode chips is a flip-chip type and includes a first-type semiconductor layer electrically connected to the first-type electrode and a second-type semiconductor layer electrically connected to the second-type electrode.

Display apparatus and backlight unit thereof

A display apparatus including a display panel, and a backlight to provide light toward the display panel, the backlight including a circuit board, an optical layer disposed on the circuit board, at least one light emitter disposed between the circuit board and the optical layer and including a light emitting structure disposed on the circuit board and having first and second conductivity type semiconductor layers and an active layer therebetween, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflector on the light emitting structure, a light transmitting layer disposed on the circuit board and contacting the light emitter, and a dam disposed on the circuit board and surrounding the light emitter and including a portion having a curved shape.

Light emitting device, light emitting diode package, backlight unit, and liquid crystal display

A display apparatus including a display panel, a light source configured to emit light, and a light guide disposed on the light source and covering a side of the light source, the light source including a substrate, a light emitter including a light emitting stacked layer and disposed on the substrate, a light blocking layer disposed on a side surface of the light emitting stacked layer, and a reflector disposed between the substrate and the light guide, in which the light emitter has a first length direction and a second length direction, wherein orientation angles of the light emitter in the first and second length directions are different from each other, the substrate includes a first pad electrode and second pad electrode electrically connected to the light emitter, and the first and second pad electrodes are spaced apart from each other by at least 50 μm.

Backlight unit and display apparatus having the same

A lens including a light entering part having a concave shape in a lower region of the lens, and on which light emitted from a light emitting device is to be incident, and a light exiting part through which the incident light is emitted to an outside of the lens, in which each of the light entering part and the light exiting part has a major axis and a minor axis in plan view, and the major axis of the light entering part is orthogonal to the major axis of the light exiting part, the light entering part includes a light incident vertical surface extending from a lower surface of the lens, and a light incident inclined surface extending upward from the light incident vertical surface, and the light incident vertical surface surrounds the light emitting device.

Display device, backlight unit, light emitting module and lens

A light emitting module including a substrate having an insulating region and including a conductive pattern, a light source disposed on an upper surface of the substrate and electrically connected to the conductive pattern, a lens including a lower surface, a light incident region, a light exit surface, a leg protruding from the lower surface of the lens, and an adhesion material coupling the leg to the upper surface of the substrate, in which the light incident region has a central axis, the light incident region includes a protrusion facet, the protrusion facet having a first end and a second end opposite to the first end, and the protrusion facet is protruded toward the central axis with respect to an imaginary linear line connecting the first end and the second end of the protrusion facet.

Light emitting module and lens

A sterilization apparatus includes a main body, and a plurality of sterilization modules. The main body defines a sterilization space for sterilization of a sterilization target. The sterilization modules are disposed on a plurality of inner surfaces of the main body surrounding the sterilization space, respectively, and deliver germicidal light to the sterilization space. In addition, the sterilization module includes a support member and a plurality of light sources. A space between adjacent light sources disposed in some regions of the support member is different from a space between adjacent light sources disposed in the other regions of the support member.

A lens for dispersing light emitted from a light emitting device, the lens including a lower surface, a light incident portion having a concave shape from the lower surface, the light incident portion having a light incident surface, and a light exit portion through which light having entered the lens through the light incident portion exits the lens to an outside of the lens, in which the light incident surface includes at least one protruding light incident facet.

Growing community of inventors

Ansan-si, South Korea

Eun Ju Kim