A strike barrier for use in an LED retrofit lamp is provided. The present invention provides the strike barrier with two silicon controlled rectifiers (SCRs) whose input is connected to a bridge rectifier and output is connected to a string of LED through a Zener diode. The strike barrier is compatible with UL ANSI requirement for a normal mode and an abnormal mode.

An optical apparatus has a LED plate, a lens plate, a cup body, a driver plate and two metal pins. The lens plate has a central lens and a plurality of micro optical structures. The cup body has a dome portion, a tube portion and a bottom portion. The dome portion and the tube portion are manufactured together as a single body. A portion of light emitting from the LED plate runs through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light. Two input terminals of the driver plate are inserted into the two metal pins.

A light-emitting panel including at least a first light-emitting element, each light-emitting element having, between a first conductive film and a second conductive film, a first layer including a metal and a second layer including a light-emitting organic compound. The second layer having the organic compound emits light having a wavelength between 600 nm and 800 nm, and light having a wavelength between 400 nm and 600 nm. The distance between the first conductive film and the second conductive film in one of the light emitting elements being N/2 (where N is a natural number) of a length between 600 nm and 800 nm, and the distance between the first conductive film and the second conductive film in the other one of the light-emitting elements being N/2 (where N is a natural number) of a length between 400 nm and 600 nm.

An LED and/or laser light device having a plug-in AC power source, an interchangeable power source, or a USB power source incorporates more than one optical-lens which having more than one reflective or refractive area or sections or surfaces, and at different positions, distances, and/or orientations relative to the LEDs and/or laser light source of the LED or laser light to cause light beams to reflect and/or refract before passing through the top optical-lens and create or project an image, message, time, geometric art, nature scene, galaxy, milky way, sky, cloud, starts, moon, water-wave, aurora light, animal, characters, cartoon, sign, logo, commercial to at least one surface surrounding and/or away-from the light device. The optical-lens may have a predetermined texture and/or shaped openings, windows, cutouts, or variable thicknesses and further may incorporate parts and accessories such as a motor to provide moving image effects with a wide viewing angle and variable colors or patterns.

In a first aspect of the subject invention, an LED light assembly is provided comprising: a housing; and, a plurality of LED light modules coupled together in axial end-to-end fashion so as to define an elongated lighting strip, each said light module including at least one heat dissipation block and at least one LED element, wherein, said lighting strip is secured to said housing.

An exemplary embodiment of the present invention comprises: a light-emitting part including a board and a plurality of light-emitting devices disposed on an upper surface of the board; a first reflection surface located on one side of the light-emitting part; and a second reflection surface located on the other side of the light-emitting part, wherein the first reflection surface and the second reflection surface comprise a reflection part having a parabola shape; and a lens disposed on the light-emitting part between the first reflection surface and the second reflection surface, and each of the light-emitting devices is arranged to be aligned with a parabola-shaped focus, and the height of the reflection part is defined by equation 1.

An exemplary embodiment of the present invention comprises: a light-emitting part including a board and a plurality of light-emitting devices disposed on an upper surface of the board; a first reflection surface located on one side of the light-emitting part; and a second reflection surface located on the other side of the light-emitting part, wherein the first reflection surface and the second reflection surface comprise a reflection part having a parabola shape; and a lens disposed on the light-emitting part between the first reflection surface and the second reflection surface, and each of the light-emitting devices is arranged to be aligned with a parabola-shaped focus, and the height of the reflection part is defined by equation 1.

An embodiment provides a red phosphor satisfying the following structural formula and a light emitting device including the same.

K.sub.2M.sub.1-xMn.sup.4+.sub.XF.sub.6[Structural Formula]

Here, M is at least one element selected from the group consisting of a Group IV element and a Group XIV element, and X satisfies 0.028X0.055.

A luminaire is disclosed comprising a cover plate including an light exit window and a region surrounding the light exit window, at least a part of said region comprising a plurality of first fixing members selected from one of a plurality of holes and a plurality of protrusions dimensioned to extend through said holes; a reflector having an inner volume and comprising at least one edge comprising a plurality of second fixing members, selected from the other of the plurality of holes and the plurality of protrusions dimensioned to extend through said openings; and a plurality of solid state elements within the inner volume, wherein the protrusions extend through the holes, each protrusion having a portion extending beyond the opening through which the protrusion extends, said portion being bent over an edge of the opening to secure the reflector on the cover plate, wherein the inner volume is delimited by the reflector and the cover plate and the solid state lighting elements are arranged to direct their luminous output towards the light exit window. A modular surface covering arrangement including such a luminaire and a kit for assembling such a luminaire are also disclosed.

An LED tube lamp comprises a lamp tube, two end caps attached at two ends of the lamp tube respectively, a power supply disposed in one of the two end caps or separately in both of the end caps, an LED light strip disposed inside the lamp tube and a protective layer disposed on the LED light strip. The LED light strip comprises a mounting region and a connecting region. The plurality of LED light sources is mounted on the mounting region and two soldering pads are disposed on the connecting region. The mounting region and the connecting region are electrically connecting the plurality of LED light sources with the power supply. The protective layer comprises a plurality of first openings arranged on the mounting region for accommodating the LED light sources and two second openings are arranged on the connecting region for accommodating the two soldering pad.