Abstract: A headlamp for a vehicle, includes: a lower lamp module configured to form a first beam pattern at a front close range region of the vehicle while being fixed; and an upper lamp module including an ADB (adaptive drive beam) lamp module and a low beam lamp module, which are rotatably installed at an upper portion of the lower lamp module, respectively, and configured to form a variable second beam pattern which is combined with the first beam pattern. Therefore, stable driving visibility may be secured at a region close to a driver, various beam patterns may be implemented, light blindness to a driver of an oncoming vehicle may be prevented, and thereby forward recognition of the driver and the opposite driver may be improved.

Abstract: According to one embodiment, the luminescent material emits light with an emission peak within a wavelength range of 490 to 580 nm when excited with light having a wavelength range of 250 to 500 nm and includes a particle containing a Sr3Si13Al3O2N21-based crystal activated by Eu. The particle includes an outer region which is within a depth of 5 nm from a surface of the particle and an inner region which is deeper than the outer region. The outer region and the inner region satisfy a ratio Oouter/Oinner of 1.0 to 3.8. Oouter is an average of oxygen concentration in the outer region and Oinner is an average of oxygen concentration in the inner region.

Abstract: Various embodiments of the present invention are directed to optical-fiber-based light sources for use in microscopy, spectrometry, and other scientific and technical instruments, devices, and processes. Light-emitting diodes (“LEDs”) and other light sources are, in various embodiments of the present invention, incorporated on or within an optical fiber or fiber-optic cable in order to produce a bright optical-fiber-based light source. By incorporating light-emitting devices on or within an optical fiber, a significantly greater photon flux can be obtained, within the optical fiber or fiber-optic cable, than can be obtained by directing light from equivalent, external light-emitting elements into the optical fiber or fiber-optic cable, and the optical-fiber-based light sources of the present invention provide desirable characteristics of the light sources embedded on or within them.

Abstract: A lid for a beverage container or travel mug is provided that has one or more visual indicators to identify the location of the pour spout opening of the container or mug in low light conditions.

Abstract: A light module is disclosed. The light module includes a first printed circuit board, a second printed circuit board, a light source, and a fixing casing, wherein the first printed circuit board and the second printed circuit board each has a fixing part, and the fixing part of the second printed board is attached to the fixing part of the first printed board. The light source is disposed on the first printed circuit board to couple to the first printed board and the second printed board. The fixing casing has a contact surface. When the fixing casing is fixed onto the fixing parts of the second printed circuit board and the first printed circuit board, the contact surface contacts the fixing part so that the second printed circuit board is clamped between the contact surface and the first printed circuit board.

Abstract: The light-emitting device 1 has electrode means 30, which includes cathode terminal 31 generally in the form of a cylinder having openings 311, 317 at its ends, and anode terminal 32 generally in the form of a pin capable of being arranged in the cathode terminal 31. The cathode terminal 31, anode terminal 32, and LED 20 are arranged concentrically.

Abstract: Highly visible detented light mounts for trucks or trailers have light fixtures of selected configurations coupled by rotatable arms to rigid, tubular stands. Each stand is axially biased to a rigid, tubular spring housing by an internal core-drilled fastener that coaxially secures an internal spring. The stand and spring housing can have different lengths and configurations. A pair of friction washers, one on the stand and the other on the housing, mutually abut. Protrusions on one washer register with corresponding dimples or depressions on another washer to cause a detent effect. The housing and the stands may in each embodiment be torsionally displaced against friction caused by the spring biased washers that interfit to form radially spaced-part semi-fixed “detented” positions. Various washer configurations are proposed.

Abstract: A backlight assembly includes: a light guide; a light source at one side of the light guide and separated from the light guide; a circuit board on which the light source is mounted; and a buffer member between the light guide and the circuit board. An opening is defined in the buffer member and exposes the light source.

Abstract: The present disclosure relates generally to a modular angled light engine. In one embodiment, the modular angled light engine includes a center portion comprising an interlocking feature to connect to a second modular angled light engine and at least one housing coupled to the center portion. The at least one housing includes a heat sink coupled to a first side of the at least one housing, at least one light emitting diode (LED) coupled to an interior volume of the at least one housing and a lens covering the at least one LED and coupled to a second side of the at least one housing.

Abstract: A lid for a beverage container or travel mug is provided that has one or more visual indicators to identify the location of the pour spout opening of the container or mug in low light conditions.

Abstract: A Light Emitting Diode (LED) illumination device having a pleasant appearance and capable of uniform illumination is provided. The LED illumination device (101) includes a support portion (200) having a first support surface (210) and a second support surface (220), wherein the first support surface (210) faces downward, and the second support surface (220) faces downward, is located at a position higher than the first support surface (210), and surrounds the first support surface (210); a plurality of LED chips (400), including a plurality of first LED chips (411) supported on the first support surface (210) and a plurality of second LED chips (420) supported on the second support surface (220); and a mask (700), located at a lower position with respect to the support portion (200), penetrated by light from the LED chips (400), and including a tilted portion (710) inclining downward toward the center.

Abstract: Provided is an illumination device including a light emitting portion including a light source, an intermediate portion connected to the light emitting portion, a supporting portion connected to the intermediate portion and supporting the light emitting portion and the intermediate portion; a connecting portion connecting the light emitting portion and the intermediate portion to be rotatable with respect to each other, and another connecting portion connecting the intermediate portion and the supporting portion to be rotatable with respect to each other. The light emitting portion, the intermediate portion, and the supporting portion connected to the connecting portions may rotate with respect to each other based on the connecting portions to form a three-dimensional (3D) shape, and may be arranged in a single plane when the light emitting portion, the intermediate portion, and the supporting portion are unfolded based on the connecting portions.

Abstract: A light tube for producing light, which may be used in the light fittings, desk lamps, vehicle lights etc. The light tube comprises a plurality of segments arranged end to end along the end of the light tube. Each segment has a transparent or translucent rod 706 having two ends, a head spreader 703 by at least one of said ends and an LED 705 mounted to each heat spreader 703 for directing light laterally into the rod 706. The heat spreaders 703 are mounted to a metal jacket 702 for dissipating heat. The light tube further comprises one or more reflectors 708, 711 for reflecting light out of the light tube.

Abstract: An optical transmission apparatus having a temperature control function includes: a package having a cavity; a cooler mounted in the cavity and controlling temperature; and a substrate mounted on the cooler and including a light source mounted thereon to generate light. In spite of the presence of the cooler, the apparatus can be implemented to be compact and have a simple structure.

Abstract: A light emitting diode package unit, a method for manufacturing the same and a backlight are disclosed. The light emitting diode package unit comprising a LED chip and a light uniformization structure formed above the LED chip in the direction of exiting light.

Abstract: LEDs having a low color temperature up to 5000 K, comprising a blue-emitting LED and, connected upstream thereof, two phosphors having a first phosphor from the class of the chliorosilicates and a second phosphor from the class of the nitridosilicates having the formula (Ca,Sr)2Si5N8:Eu.

Abstract: Illumination devices and methods of making same are disclosed. In one embodiment, an illumination apparatus includes a light source, a light guide having a planar first surface, a first end and a second end, and a length therebetween, the light guide positioned to receive light from the light source into the light guide first end, and the light guide configured such that light from the light source provided into the first end of the light guide propagates towards the second end, and a plurality of light turning features that are configured to reflect light propagating towards the second end of the light guide out of the planar first surface of the light guide, each light turning feature having a turning surface and an interferometric stack formed on the turning surface.

Abstract: A vehicular lamp including a lens member between a light-emitting element (22) and a light guiding plate (26) in which emitted light from the light-emitting element (22) is incident on the rear end surface (26a) and then emitted from the front end surface (26b) to the front of the lamp. The lens member (28) allows a part of the emitted light, which travels in a direction close to an optical axis (Ax), to reach the light guiding plate (26) as diffusing light that diffuses in a horizontal plane and further allows the emitted light to reach the light guiding plate (26) as parallel light along the optical axis (Ax) in a vertical plane.

Abstract: Provided is a lightweight flexible lighting device with excellent durability and stable performance over repeated use that combines an organic electroluminescent element, an organic photoelectric conversion element, and a secondary cell. The lighting device has a control means for controlling the electrical connections of the organic electroluminescent element, the organic photoelectric conversion element, and the secondary cell. The control means controls the electrical connections such that a reverse bias voltage is applied to the organic electroluminescent element when the organic electroluminescent element receives light, generates power, and charges the secondary cell, and such that a reverse bias voltage is applied to the organic photoelectric conversion element when the organic electroluminescent element is supplied with power from the secondary cell and emits light.

Abstract: The invention provides an elongated lighting fixture with multiple light emitting diodes (LEDs) arrayed in two groups that are angled to each other. The fixture provides an extremely broad light emitting angle and includes an elongated housing having a pair of side walls. Each side wall has a support member extending upward at angle from the side wall, wherein the side walls terminate at a central wall. A generally transparent cover is connected to the housing and extends between opposed ends of the housing. A first group of LEDs and a second group of LEDs are mounted to the first support member and the second support member, respectively. PCB boards assemblies are affixed to respective support members beneath the group of LEDs by tension clips. When the PCBs are energized by a power source, current travels from the PCBs to each LED for illumination.