Abstract: A backlight device for a liquid crystal display containing a substantially planar light guide with a light emission surface and a light-collecting portion opposing the light emission surface. A pair of opposing side portions may define the periphery of the light guide. A first plurality of LEDs are placed so as to direct the emitted light into the light-collecting portion. An NVIS filter is preferably placed adjacent to at least one of the side portions. A second plurality of LEDs are placed to direct the emitted light through the NVIS filter and into a side portion of the light guide. Alternative embodiments can contain NVIS filters and LEDs along additional edge portions of the light guide. Some embodiments may use directing elements or slanted surfaces of the light guide to direct the light from the second plurality of LEDs into the edge portions of the light guide.

Abstract: Disclosed are a light emitting device, a method of manufacturing the same, and a backlight unit. The light emitting device includes a body including a cavity to open an upper portion, in which the cavity has a sidewall inclined at a first angle with respect to a bottom surface of the cavity, first and second electrodes formed in the body, in which at least portions of the first and second electrodes are formed along the sidewall of the cavity, a light emitting chip over the first electrode, the second electrode, and the bottom surface of the cavity, at least one wire having one end bonded to a top surface of the light emitting chip and an opposite end bonded to a portion of the first and second electrodes over the sidewall of the cavity, and a molding member formed in the cavity to seal the light emitting chip.

Abstract: According to the present invention, additional reflection surfaces 9UL, 9UR, 9DL, 9DR are provided for reflecting light L6 from semiconductor-type light sources 5U, 5D on intermediate invalid reflection surfaces 9, 9L, 9R. As a result, the present invention is capable of: reflecting the light L6 from the semiconductor-type light sources 5U, 5D on the intermediate invalid reflection surfaces 9, 9L, 9R, by means of the additional reflection surfaces 9UL, 9UR, 9DL, 9DR; illuminating the intermediate invalid reflection surfaces 9, 9L, 9R; and lessening a dark part.

Abstract: An exemplary optical plate includes a base and an array of micro-structures. The base includes a first surface and a second surface opposite to the first surface. The micro-structures are provided at the first surface. Each micro-structure includes a base surface substantially coplanar with the first surface of the base and two side surfaces. The base surface has an approximately olive-shaped profile enclosed by two arc-outlines. The two side surfaces extend obliquely from the two arc-outlines and intersect at a ridge of the micro-structure.

Abstract: A ultra-violet based color pixel backlight system for color filter-less Liquid Crystal Display, comprising multiplicity of LEDs, emitting UV or NUV light in the wavelength range of 150 nm to 390 nm, assembled at one edge of a UV transmitting light guide, which has other three edges and bottom surface coated with UV reflecting layer and its top surface roughened with UV and NUV extracting pixel patterns that contain layers of quantum dots that emit different colors of light in red, blue and green region with sharp spectrum, to increase the color gamut on LCD screen, upon excitation by UV or NUV light. The formed pixels contain reflective islands, underneath the layers of quantum dots, to reflect the visible rays, generated by the pixelated quantum dots, towards the LCD and suppress the visible light leaving the pixel as well as suppress the visible light from adjacent pixels entering the pixel. Thus suppressing the color mixing that could occur without the incorporation of reflective islands.

Abstract: An integrated multi-layer apparatus and method of producing the same is disclosed. The apparatus comprises an LED, a beam shaping layer, and a refracting layer between the beam shaping layer from the LED. The refracting layer may have an index of refraction lower than the index of refraction of the LED and the beam shaping layer.

Abstract: An intelligent and energy-saving LED lamp with glimmer and full light emission includes a lamp holder and a LED substrate disposed in the lamp holder. A plurality of LEDs is provided on the LED substrate. An infra-red sensing device with an infra-red detecting head is disposed inside the lamp holder. A lampshade is connected to a top end of the lamp holder and includes a protruding cover corresponding to the infra-red detecting head. The LEDs do not light up when there is enough light from external surrounding. The LEDs radiates a glimmering light when there is not enough light from external surrounding and the infra-red detecting head does not sense any movements of objects. The LEDs radiates a full light when there is not enough light from external surrounding and the infra-red detecting head senses movements of objects.

Abstract: An underwater dock light having an internal water cooling system formed from primary, secondary, tertiary, and quaternary mounting surfaces forming a chamber. Each of the mounting surfaces are each in thermal communication with a light emitting unit generating heat. LED circuit boards are mounted at an angle to produce a large diameter of light in the surrounding water. A light bifurcating structure causes a central portion of light to be a different color than the perimeter. The transparent lens has an opening and a latching structure configured to connect the transparent lens to the end of the transparent cover. A tire valve stem is located on the underwater light and is capable of removing or filling the underwater light with a gas. Antifouling circuitry automatically cycles the underwater light on and off multiple times during periods of non-use. Smart circuitry communicates and accepts commands by a user.

Abstract: Provided is a bulb-type lamp including a lightweight housing with great handleability. An LED light bulb comprises: an LED module on which LEDs are mounted; a cylindrically-shaped case having openings at both ends, which are first and second ends; a mount member on a front surface of which the LED module is mounted, the mount member closing a corresponding one of the openings of the case by being in contact with an inner circumferential surface of the first end of the case; a base member attached to the second end of the case; and a lighting circuit that is disposed inside the case. A wall thickness of the case is in a range of 200 ?m to 500 ?m inclusive, and the wall thickness of at least one portion of the case decreases from the first end toward the second end of the case.

Abstract: The present invention, in some embodiments, provides a luminaire operable to enhance the uniformity of light distributed from the luminaire thereby mitigating diminished illuminance at the periphery of an illuminated area.

Abstract: A light system for adapting the perimeter around an open space for accepting a light fixture comprising a first member for engagement with a portion of the perimeter around the space, a second member for engagement with a portion of the perimeter around the space such that the second member is located symmetrically opposite the first member with respect to the perimeter around the space, engaging the first member and the second member to the perimeter, a pivot for removably engaging the fixture to the first and second members such that the fixture pivots from a first position where the fixture fills the open space to a second position where the fixture is hanging from the perimeter, and a latch for securing the fixture in the first position.

Abstract: A safety helmet or head piece having an incident light source disposed on the top or the crown of the helmet or head piece, means for controlling the orientation of the light source, wherein light emanates as a beam substantially vertically and upwardly irrespective of the orientation of the helmet or head piece. The light beam is a single or collimated beam comprised by one or more laser light sources of any color or color mix. The light source is mounted on the helmet or head piece so that the beam always emanates in substantially a vertical upwards direction irrespective of the orientation of the helmet or head piece. The invention being directed to the location and rescue of injured workers in poor visibility conditions and to the reduction and prevention of accidents in general.

Abstract: A lighting apparatus includes a body portion, a conduit coupled to the body portion, and one or more illumination components coupled to the body portion, where the one or more illumination components are in electrical communication with the conduit. A lighting apparatus kit is also disclosed. A daisy-chained lighting apparatus assembly is also disclosed.

Abstract: A domestic appliance (1) includes a housing or wall (6) and a wall portion (8). The portion is an integral part of the housing (6). The appliance has a display means (2) comprising a light source (10), a mask (2) and a diffuser (4). The housing (6) may be smoothly shaped to obtain an appealing design. A separate or standardized display may be perceived as a disruption of a smooth design of the appliance. To incorporate the display means (20) into the design the integral wall portion (8) is transparent and positioned between the diffuser (4) and the mask (2). An inner face of the wall portion (8) is directed to the mask (2). An outer face of the wall portion (8) is directed to the diffuser (4). A diffusing layer (32) included in the diffuser (4) is provided on the outer face of the integral wall portion (8).

Abstract: A lighting device 12 of the present invention includes a plurality of light sources 17 and an optical member arranged closer to the light-exiting portion 15z than the light sources 17. The optical member 15 includes a prism diffuser plate 15a for diffusing light emitted from the light sources 17 and exiting from a lens sheet 15c arranged closer to the light-exiting portion 15z than the prism diffuser plate 15a. The prism diffuser plate 15a has prisms on a surface located on a side closer to the light-exiting portion 15z. The lens sheet 15c has convex lenses 62 on a surface closer to the light-exiting portion 15z.

Abstract: An light emitting diode (LED) assembly may include, but is not limited to: a printed circuit board comprising at least one aperture; a first LED mounted on a front surface of the printed circuit board; a second LED mounted on a rear surface of the printed circuit board; and a reflective surface configured to reflect light emitted by the second LED through the at least one aperture.

Abstract: Method, apparatus and systems for a quick change lamp ballast assembly for newly manufactured lamp fixtures having the quick change ballast or a retrofit for an existing lamp fixture. The quick change ballast assembly includes a ballast mounting fixture 110 for housing the ballast 300, a wire connector fixture 130 and a mounting plate 120 for mounting the ballast mounting fixture 110. The ballast assembly allows for replacement of a non operating ballast to reduce replacement time and labor costs. In a new lamp fixture, the quick change ballast is thermally isolated from the lamp fixture, which reduces the effects of the waste heat from the ballast, and increase overall building efficiency by reducing the cooling load.

Abstract: A lighting system for use with a watercraft comprising a light module wherein a light bulb is mounted on the front end with an on-off switch, with a handle which pivotably attaches to the light module, further comprises a rechargeable battery which is mounted to a cut-away opening in a cowling with a U-bracket.

Abstract: A light guide (11; 101; 111) comprising first and second oppositely arranged faces, an in-coupling portion (13a-f) for in-coupling of light from a light-source (12a-f; 95a-f; 102; 106a-c; 112a-f), and an out-coupling portion (15a-f; 103; 113a-f) located adjacent to the in-coupling portion (13a-f). The out-coupling portion (15a-f; 103; 113a-f) is configured to out-couple a primary light beam having a direction of propagation directed from a position in the in-coupling portion (13a-f) with a lower out-coupling efficiency than a secondary light beam having a direction of propagation directed from a position in the light guide (11; 101; 111) outside the in-coupling portion (13a-f). In this manner, a good mixing of light in the light guide can be achieved without imposing any particular requirements on the collimation of the in-coupled light.

Abstract: An optical module equipping a motor vehicle lighting and/or indicating device, provided with a assembly structure movably assembled on a bracket and means of electrical connection to at least one remote device, wherein the optical module is equipped with an electrical connection device comprising a flexible element integrating electrical conductors, the flexible element is connected between the assembly structure and the bracket such that the points of mechanical connection together produce a freedom of movement limited in space.