A lamp includes a lamp base, a lamp cover fixedly connected to the lamp base, and a light source module electrically connected to the lamp base and housed in a space enclosed by the cover and the lamp base. The light source module includes a second plate electrically connected to the lamp base, a first plate connected to the second plate, a dot matrix light source disposed on a first surface of the first plate, and an optical cover covered on the first surface of the first plate. As the dot matrix light source is capable of displaying different preset patterns, the lamp of the invention can provide bright illumination while displaying a dynamic preset pattern according to the practical needs so that images of real objects to be simulated can be vividly presented, creating the certain specific atmosphere.

The present application relates to an easy-to-install LED double-ring ceiling lamp, including a base plate, a LED light source board, a driving power supply, a translucent cover and a press ring. The LED light source board and the driving power supply are installed on the base plate, the translucent cover is covered on the base plate, and the press ring is covered outside the translucent cover and configured to support the translucent cover. The press ring and the base plate are detachably connected by multiple installation column-shaped bolts, and at least one of the multiple installation column-shaped bolts is a bendable installation column-shaped bolt.

A light emitting device (LED-Filament) comprises: a light-transmissive substrate; at least one blue LED chip mounted on the light-transmissive substrate, for instance mounted on a face thereof; and a photoluminescence material at least partially covering the at least one blue LED chip. The photoluminescence material comprises narrow-band red phosphor particles that generates light with a peak emission wavelength in a range of 600 nm to 640 nm and a full width at half maximum emission intensity of 50 nm to 60 nm. The light emitting device is characterized by CRI Ra greater than or equal to about 90. The narrow-band red phosphor particles can comprise at least one Group IIA/IIB selenide sulfide-based phosphor material such as for example CaSe.sub.1xS.sub.x:Eu (CSS phosphor). The LED-filament can be incorporated in a lamp, with a yellow to green-emitting phosphor that generates light with a peak emission wavelength in a range of 520 nm to 570 nm, to provide light with a color temperature in a range of 1500 K to 4000 K or 1500 K to 6500 K and a General Color Rendering Index (CRI Ra) greater than or equal to about 90 and a CRI R9 greater than or equal to about 50.

The present application relates to an easy-to-install LED double-ring ceiling lamp, including a base plate, a LED light source board, a driving power supply, a translucent cover and a press ring. The LED light source board and the driving power supply are installed on the base plate, the translucent cover is covered on the base plate, and the press ring is covered outside the translucent cover and configured to support the translucent cover. The press ring and the base plate are detachably connected by multiple installation column-shaped bolts, and at least one of the multiple installation column-shaped bolts is a bendable installation column-shaped bolt.

An LED tube lamp includes a glass lamp tube, two end caps, an LED light strip, a power supply, and a reflective film. At least a portion of an inner surface of the glass lamp tube is formed with a rough surface, and the roughness of the rough surface is higher than that of the outer surface. The glass lamp tube includes a main body region and two rear end regions, each of the two rear end regions coupled to a respective end of the main body region and each of the two end caps coupled to a respective rear end region. A length of the light strip is longer than the length of a main body region of the glass lamp tube. Each of the two end caps is coupled to a respective end of the glass lamp tube by a gel. The LED light strip is disposed on an inner surface of the glass lamp tube with a plurality of LED light sources mounted on the LED light strip.

An LED light bulb includes a stand, a plurality of LED light sources supported by the stand and arranged along edges of at least two geometric shapes, and an envelope enclosing the stand and the plurality LED light sources. A method of assembling an LED light bulb includes arranging a plurality of LED light sources along edges of at least two geometric shapes, supporting the arrangement of LED light sources on a stand, and enclosing the plurality of LED light sources and the stand within an envelope.

A light emitting module includes red, green and blue light sources, and a light diffusing member is arranged above the light sources. The red light source includes a first light emitting element configured to emit light in a range from ultraviolet to blue, a first phosphor layer containing a first phosphor configured to emit red light, and a first film configured to transmit red light and block light in the range from ultraviolet to blue. The green light source includes a second light emitting clement configured to emit light in the range from ultraviolet to blue, a second phosphor layer containing a second phosphor configured to emit green light, and a second film configured to transmit green light and block light in the range from ultraviolet to blue. The blue light source includes a third light emitting element configured to emit light in the range from ultraviolet to blue.

A laser nightlight is disclosed. A laser nightlight includes a base, an electrical prong adapted to be inserted into an electrical outlet wherein the electrical prong is secured to and projects from the base; and a power supply circuit coupled to the electrical prong and contained within the base. A laser mounted within the base and coupled to the power supply circuit is adapted to produce a laser beam through an output. A lens is secured to the base and is positioned to cover the output of the laser. The output of the laser is pointed at a spot on the lens, and a portion of the lens at the spot may be opaque, faceted or cloudy, or may comprise a diffuser. A portion of the lens where the output of the laser points may contain an image and a light pattern corresponding to the image may be produced when the laser beam illuminates the image. The lens may be formed from shatterproof glass, clear glass or quartz. The lens may be sealed to the base. The lens may have a cylindrical length and the output of the laser may be aligned with the lens to produce the laser beam down a central axis of the lens. The laser may produce a red or green laser beam.

A body, such as a lamp body, includes a tubular element. At least one conductor is introduced into the tubular element and a glass material surrounds the conductor. The glass material forms a seal between the tubular element and the conductor. The glass material comprises a sintered glass, such as a sintered glass ring, and may completely surround the conductor.