Abstract: An optical sheet includes a base film, a plurality of prism patterns and a plurality of first embossing patterns. The prism patterns are formed on an upper surface of the base film. Each of the prism patterns has the shape of a trigonal prism and includes a first inclined surface and a second inclined surface. The first and second inclined surfaces are inclined with respect to the upper surface of the base film and meet each other at a peak portion. First embossing patterns are formed at the peak portion.

Abstract: The present disclosure provides a lighting device that includes an array of LEDs arranged on a circuit board with a reflector that rotates relative to the LEDs to reflect the light in various directions. The reflector according to the present disclosure includes a compact construction that allows for effective light reflection. A related lighting system and method is also provided.

Abstract: A lighting system, the lighting system being usable in combination with coloured light sources to create a lighting scheme by providing electrical power to the coloured light sources, the lighting system comprising: at least two lamp modules, each of the lamp modules including a module base and a socket matrix mounted to the module base, each of the socket matrices having a predetermined number of sockets, each of the sockets being able to removably receive at least one of the coloured light sources and transmit electrical power thereto; at least two power transmission lines, each of the power transmission lines being electrically coupled to a respective socket in each of the socket matrices; and a controller for selectively providing the electrical power independently to each of the power transmission lines.

Abstract: A light guiding device (1) and in particular to a light guiding device that can be used for illumination, backlighting, signage or display purposes is described. The light guiding device (1) comprises a transparent base substrate (2), upon a first surface of which are mounted light sources (3), and a guide substrate (4) arranged so as to encapsulate the light sources (3) upon the first surface. In this way the guide substrate (4) provides a means for guiding light produced by the one or more light sources over the first surface. The incorporation of scattering structures (5) along with appropriate choice of the refractive indices of the various layers provides a highly flexible light guiding device that is typically less than 1 mm thick. The described light guiding device (1) provides particular application as a seven segment display.

Abstract: An LED having a center core and a first panel and a second panel coupled to the center core. The first panel includes a first array of LEDs mounted to a first circuit board disposed within a first opening formed within the first panel and a first lens disposed over the first array of LEDs. The second panel includes features similar to the first panel. The second panel is rotatable around the center core from a 0 degree closed orientation to about a 360 degree orientation, and is positionable at any intermediate angle therebetween. The LED includes a retractable hook for mounting to an elevated object. The LED also includes at least one magnet to mount the LED to vertical/vertically angling surfaces. The array of LEDs mounted to the first panel and the second panel can be controlled independently of one another.

Abstract: A vehicle light can have a simple configuration for easily determining whether or not a coating, such as an anti-fog coating and a hard coating, has been applied to a lens. A manufacturing method of such a vehicle light is also disclosed. The vehicle light can include a housing opened in an illumination direction, a light source disposed within the housing, a reflecting surface disposed within the housing and configured to reflect light from the light source to the illumination direction, and an outer lens disposed so as to hermetically close the front open end of the housing. The outer lens can have an inner surface and an outer surface, at least one of which including a coating for surface treatment. The outer lens can further have a first area which is subjected to a texturing process on the inner surface and/or the outer surface, with at least part of the first area including the coating for surface treatment.

Abstract: A lamp fixing unit capable of simplifying the manufacture of a backlight assembly by eliminating the need for manual procedures is presented. The lamp fixing unit includes a fixing member and a lamp holder. The fixing member includes a fixing body and at least one receiving portion. The lamp holder includes a holder body and a conductive socket. The holder body includes a board insertion portion, a power supply member, and a lamp fixing member. Thus, the power supply member may be easily coupled to and uncoupled from the lamp holder, and the lamp may be easily grounded.

Abstract: A lamp holder includes a mounting portion, a lamp holding part which is connected to the mounting portion, and includes an end capable of surrounding a peripheral surface of a lamp, and is capable of being elastically opened and deformed during attaching and detaching of the lamp. The lamp holder also includes a recessed portion positioned at a surface of the lamp holding part that is opposite to the lamp and located at a position between an end portion and a connecting region of a mounting portion, such that the recessed portion allows the lamp holding part to bend so that the end portion is displaced in a direction away from the peripheral surface of the lamp.

Abstract: A robust LED lamp may be assembly by forming a heat sinking sandwich with two metal heat sinks positioned around the circuit board and pinned together a heat conductive element. The assembly is positioned by pressing it into a base providing electrical connections. The robust assembly is rapidly assembled, thermally effective in draining or spreading heat from the circuit board and is readily adaptable to a variety of applications lighting. The heat sink may be decorated, colored or otherwise esthetically enhanced for consumer appreciation.

Abstract: The invention is directed towards an information presenting device and a portable electronic device including such an information presenting device. The information presenting device (16) comprises a first information layer (18) having a first information presentation structure (20) of photo chromatic material changing appearance when irradiated by light (28) of a specific wavelength, a second information layer (22) having a second information presentation structure (24), and a first light source (26) illuminating the second information layer for presenting the second information presentation structure, wherein the first information layer is of a material that is transparent for light emanating at least from the first light source when the first layer is not exposed to light of said specific wavelength.

Abstract: Provided is a backlight frame, which comprises a frame body comprising attaching blocks disposed at four corner portions of the frame body, respectively, and a metal plate disposed on a mounting surface of at least one of the attaching blocks. A hardness of the metal plate is higher than a hardness of the attaching blocks. The metal plates are capable of reducing the defects of the backlight due to abrasive dust and thus facilitating the assembling process and improving the quality and yield of the products.

Abstract: An illumination device includes a base board, an insulator, a conductor, a plurality of semiconductor light-emitting elements and a light-transmissive sealing member. The base board includes a surface and projection portions. The projection portion is formed to become gradually thicker from its end toward the surface of the base board. The insulator is formed on the surface. The conductor is formed on the insulator. The semiconductor light-emitting elements are mounted on the projection portions. The semiconductor light-emitting elements are electrically connected to the conductor via connection members. The sealing member covers the insulator, the projection portions, the semiconductor light-emitting elements and the connection members.

Abstract: A display device includes a dial portion which includes a design part having an index, a pointing portion which rotates along a front surface of the dial portion for pointing to the index, an ornamental member which is arranged on the front surface of the dial portion so as to surround the design part, a face glass portion which covers the dial, the pointing portion and the ornamental member, and a light source which illuminates light onto a rear surface of the dial portion for brightening the index with the light. A smoked layer is provided on the front surface of the dial portion. The smoked layer has a lower light transmittance than that of the face glass portion.

Abstract: A headlamp assembly for providing various beam patterns for a vehicle is provided, which includes a lamp shield driving device. The device comprises a first shield including at least one shield projection formed on a circumference thereof, a second shield to shield at least a part of beam irradiation in a close range, and a shield driving unit to drive the first shield and the second shield in a sequential order to thereby generate a certain beam pattern.

Abstract: A fluorescent light tube retrofit with light emitting diodes (LEDs) that evenly distribute light to avoid bright spots is disclosed. One LED lighting unit includes a tubular housing and a plurality of LED assemblies mounted about a circumference of the tubular housing. LEDs face inward from a mounting surface that is angled offset of the tube. Alternatively, at least one LED can be oriented to emit light parallel to a tangent of the housing into a light pipe that curves inside at least a portion of the tubular housing.

Abstract: The invention relates to a lighting arrangement for illuminating a surface. The lighting arrangement has a supporting element and a lighting unit (1) which is supported by the supporting element. The lighting unit (1) has a housing (2) which is designed to accommodate a solid-state light source (4). The housing is also transparent on at least one side. The solid-state light source (4) is suitable for generating light having wavelengths from a first wavelength region and a second wavelength region. The first wavelength region comprises wavelengths of 500-550 nm. The second wavelength region comprises wavelengths of 560-610 nm. The lighting unit (1) is designed to generate light having a dominant wavelength from the first wavelength region in such a way that the eye sensitivity of the human eye is dominated by rods.

Abstract: A light effect system includes a light source and at least one aperture element interposed between the light source and an exit lens of the system. The aperture element has at least one aperture and at least one light effect element positioned therein. The system uses an aperture element having at least two “fingers” partly surrounding each light effect element in at least 180° of the circumference. These “fingers” engage with the contour of the outer surface of the light effect element to hold the light effect element in position in the aperture, and the fingers are formed of a flexible material. Hereby, it is achieved that the locking and releasing of the light effect component can be done by push and pull in an ideal perpendicular direction to the light path. In other words, no angling, bending or twisting is necessary, so a minimum of space is required.

Abstract: The invention relates to a target illuminator (1) for night-vision technology, comprising a laser source (2), the radiation power of the laser source being at least 15 mW, in particular from 100 to 500 mW, and the laser source being formed for emission of radiation having a wavelength ? of from 700 nm to 1400 nm, and a second optical system (4) for the divergent emission of the radiation. Furthermore, the target illuminator (1) has a first optical system (3) arranged down-circuit of the laser source (2) and before the second optical system (4) and intended for increasing the beam cross-section before entry into the second optical system (4) to a diameter of at least 5 mm and for guiding the beam into the second optical system (4). The angle of divergence (10) of the emitted radiation can be varied in a defined manner, the variability being limited for ensuring a minimum divergence.

Abstract: A light source supporting member supports a light source and has a first face and a second face opposite to the first face. A light guide plate has a side face opposed to the first face of the light source supporting member and a light emitting face that emits light from the light source. A metal frame supports the light guide plate. A resin frame overlies the second face of the light source supporting member and includes a connection part that connects with the metal frame within a plate thickness of the metal frame. The connection part includes a convex part including a projection portion projecting from the convex part. The projection portion extends toward the metal frame to overlie the second face of the light source supporting member. The metal frame includes a concave part including a recessed part engaged with the projection portion.

Abstract: A decorative object connectable to a connected object includes a connecting member, a stylish decorative member fixed to an end of the connecting member, and a light emitting device installed in the stylish decorative member. The stylish decorative member has a closed space inside, a top surface and a bottom surface, and the bottom surface is connected to the connecting member. The stylish decorative member further has a contact portion at an inner side of the top of the decorative object. The power of the light emitting device is supplied by at least one battery. The light emitting device includes a light emitting element and an ON/OFF switch installed at a position corresponding to the contact portion. If an external force is exerted onto the decorative object, the contact portion will be in contact with the ON/OFF switch to turn on or off the power of the light emitting device.