Abstract: This disclosure provides an optical sheet, a backlight module and a display device. A transparent photochromic material is coated on at least part of the locations (A) on a surface of the optical sheet (11). The backlight module comprises a light source (131), a light guide plate, and the above described optical sheet (111, 112). The display device comprises the said backlight module.

Abstract: There is provided a light fixture comprising a light source. The light source has a housing terminating in a first end, and the housing has a housing connector proximate the first end. The housing also has a heat sink disposed inside the housing and a light emitter disposed inside the housing. The light emitter is positioned to allow a light emitted by the light emitter to exit the housing through the first end. The light source also has a connector in electrical communication with the light emitter. The housing connector is configured for reversibly securing the light source to one or more of: an adaptor reversibly securable to a trim configured for securing the light fixture to a substrate, and the trim.

Abstract: A pattern skin lighting device of a vehicle may include a plurality of lightning cells disposed on a plane while forming a predetermined pattern. Each lightning cell includes a light emitting element, a cell pocket configured to surround the light emitting element, a cell cover configured to be pivotable with respect to the cell pocket while surrounding the light emitting element within the cell pocket, and an actuator engaged to an end of the cell cover and configured to selectively pivot the cell cover with respect to the cell pocket.

Abstract: An optical converter is provided that has both a stable colour even at highest luminous powers and a high luminous efficiency. The optical converter includes a ceramic element that is fluorescent so that light of a first wavelength is absorbed in the ceramic element and fluorescent having longer wavelength light is emitted. The ceramic element includes pores spatially irregularly distributed within the ceramic element. The distribution of the pores within the ceramic element is inhomogeneous so that the radial distribution function of the pore locations deviates from unity and has a maximum at a characteristic distance, the maximum having a value of at least 1.2.

Abstract: The disclosure provides a luminous fan including a main body, a light guide member and a light source. The main body includes a fan frame and a plurality of propellers, and the plurality of propellers are rotatably mounted on the fan frame. The light guide member includes an outer light guide ring and a plurality of inner light guide rings, the plurality of inner light guide rings are mounted on the fan frame, the plurality of inner light guide rings each have an air channel, the plurality of propellers are respectively located in the air channels, the outer light guide ring is mounted on the plurality of inner light guide rings and surrounds the plurality of inner light guide rings, and the outer light guide ring is exposed from the luminous fan. The light source is disposed between the outer light guide ring and the inner light guide ring.

Abstract: A backlight module includes a light guide plate, a light source and a surface deposition layer. The light guide plate has a light incident surface, an opposite surface opposite the light incident surface, and a light exit surface connected between the light incident surface and the opposite surface. The light source is disposed adjacent to the light incident surface, and a surface deposition layer is at least provided on a part of the opposite surface and a part of the light exit surface. The surface deposition layer includes an opaque material or a low light-transmittance material and has a thickness of smaller than 0.1 mm.

Abstract: An aircraft lighting system (ALS) and apparatus which includes: a lighting generator control unit (LGCU) controlling a light source generator for generating a first, second and third type of light to each passive light head; a light bus coupled to the light source generator to receive the first, second, and third types of light and for converting the first type of light to a fourth type of light; a plurality of light transmission elements coupled to the light source generator; a plurality of light switches responsive to a switch command from the LGCU to optically not direct or direct light from the light bus to a light transmission element; a light conversion element connected for converting the first type to the fourth type of light; and the LGCU configured to command the light source generator to generate light in accordance with a load profile.

Abstract: There is described a motor vehicle control device (10) for an interior space of a motor vehicle, comprising a trim (12) and a printed circuit board (34), wherein the trim (12) comprises a control surface (14) on which at least one switching symbol (16) to be actuated is shown, which can be backlit by a light source, wherein the light source is associated to a light duct (22) which leads to the control surface (14), wherein the light emitted by the light source (44, 60) extends along the light duct (22) and backlights the at least one switching symbol (16) to be actuated. Furthermore, there is described a method for manufacturing a motor vehicle control device (10).

Abstract: An illumination device includes first, second, and third light-emitting diode chips arranged around a center axis along virtual outlines of first, second, and third geometric figures, respectively. The geometric figures are concentric. A bond wire is connected to a connection point of each chip in its peripheral region. Multiple groups are defined, with each including one each of the first, second, and third chips. Within a first group, the first, second, and third chips are arranged on first, second, and third virtual rays, respectively. The rays each intersect only a single light-emitting diode chip, are transverse to the center axis, and originate at, and extend outwardly from, the center axis. In the first group, the second chip neighbors the first chip, the third chip neighbors the second chip, and the chips are rotated relative to one another such that the respective connection points are oriented in different directions.

Abstract: A line illuminating device includes: a light emitting unit that emits light; a light guide rod that is formed into a rod shape, transmits therethrough the light emitted by the light emitting unit, and guides the light in a longitudinal direction; a case that is formed into a rod shape, has a part open when viewed from the longitudinal direction, and houses the light guide rod therein; ribs provided so as to protrude from the light guide rod on both ends of the light guide rod in the longitudinal direction; and rib guide portions which are provided on both ends of the case in the longitudinal direction, guide the ribs when the light guide rod is housed in the case, and restricts rotation of the light guide rod with respect to the case.

Abstract: A decorative bulb with inner lens includes a mounting base; a light bulb covering mounted on the mounting base; an optical lens, comprising a mounting part and a lens part integrally formed with the mounting part, the lens part is a semi-ellipsoid structure, and the lens part is provided with a light refraction strengthening part on an outer surface of the lens part, the light refraction strengthening part extends from a top of the lens part along the outer surface of the lens part to a bottom of the lens part, and a cross section of the light refraction strengthening part is in a shape of annular wave; a light unit mounted in the cone-shaped cavity.

Abstract: A thermal module and a projector using the same are provided. The thermal module comprises a heat sink and a base. The heat sink comprises a bottom, a plurality of fins, a cover, and a plurality of side walls. The fins are disposed on the bottom, and each of the fins comprises a reference plane and a plurality of protrusions, wherein adjacent two of the protrusions are convex toward opposite directions with respect to the reference plane, and rows of through holes are formed by adjacent two protrusions along a flowing direction. The cover is disposed on the fins. The side walls are disposed between the bottom and the cover and surrounding the fins, wherein a liquid is capable of flowing through the heat sink by entering the inlet and exiting by the outlet of the side walls or the cover. The bottom of the heat sink is disposed on the base.

Abstract: A main light and a secondary LED light for generation lumination of particular light characteristics in a particular direction. This includes an LED lighting fixture having a main light in a ceiling/wall lamp and a nightlight transmitting nightlight illumination along a ceiling. Downlights are disclosed having a main illumination source a secondary lumination source as a nightlight or some other illumination.

Abstract: A head wearable device includes a headpiece, a housing attached to the headpiece, a luminaire attached to the headpiece, the luminaire including a luminaire housing and at least one light source located within the luminaire housing, a duct system connecting the luminaire to the housing, a ball joint rotatably connecting the duct system to the luminaire, and an air moving device configured to induce a cooling air flow through an inlet in the luminaire housing, through the heatsink, through the ball joint, through the duct system, and out of an exhaust in the housing attached to of the headpiece.

Abstract: Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO2, 4.3 to 20% B2O3, 0 to 25% Al2O3, 0 to 3% Li2O, 0 to 3% Na2O, 0 to 3% K2O, 0 to 3% Li2O+Na2O+K2O, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 5% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphate phosphor.

Abstract: An high-efficiency light bulb, comprising: a lamp housing with inner surface and outer surface opposite to the inner surface of the lamp housing, the lamp housing includes a layer of luminescent material, which is formed on the inner surface or the outer surface of the lamp housing or integrated in the material of the lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing; and a single filament, disposed in the light housing, further comprising a plurality of supporting arms, connected with and supporting the LED filament, wherein the stem comprises a stand extending to the center of the lamp housing, the stand supports the supporting arms.

Abstract: An illumination fan includes a first frame, a second frame, a fan blade, a light guide and a light source. The first frame includes an accommodation space. The second frame is assembled with the first frame, and an inner surface of the second frame is substantially flat. The fan blade is rotatably disposed in the accommodation space. The light source is disposed on either the first frame or the second frame. The light guide is disposed on the first frame and surrounds the fan blade.

Abstract: A display device including a display panel; an optical layer behind the display panel; and a frame behind the optical layer. Further, the frame includes a flange supporting a portion of a back surface of the optical layer; a first rib extended from the flange and configured to contact and support a side surface of the optical layer; and a second rib extended from the flange and positioned to be spaced apart from the side surface of the optical layer.

Abstract: The present disclosure relates to an edge type backlight unit and a display device including the same, and is capable of enabling other optical components including a reflecting plate, a diffusion plate, and a prism sheet to perform a light guiding function by eliminating a light guide plate from a backlight unit. Such an edge type backlight unit according to the present disclosure and the display device including the same are configured by eliminating the light guide plate so that there are effects in which the number of components and manufacturing costs may be reduced, and further an upper end of the display device may be slimmed down to improve an exterior quality.

Abstract: A backlight module is provided, including a light guide plate, an optical film, and a light source module. The optical film is disposed on the light guide plate and has an accommodating space. The light source module has at least one light-emitting surface, which can be divided into a light-emitting area and a frame area. The light-emitting area faces the light guide plate, and at least a portion of the frame area enters the accommodating space.