An electronic lamp holder with an improved structure includes a lamp holder whose upper part protrudes upwards to form a loading part, a battery mounting bin is designed in the loading part, a bin cover is on the bottom surface of the lamp holder for covering the battery mounting bin; a luminous body and a circuit board and a button switch for controlling the same are arranged on the loading part; the edge of the lamp holder extends upwards to form a blocking edge part and extends towards the outside to form a blocking part, a cylindrical locating sleeve is on the blocking edge part, an axle hole penetrating the locating sleeve is formed in the middle, a notch is formed in the outside face of the locating sleeve, a locating piece is arranged in the axle hole of the locating sleeve and rotates around the axle hole.

The present invention relates to a lamp (1), comprising a lamp base (3), a semi-reflective envelope (2), at least one first solid state light source filament (4a-d) arranged inside the semi-reflective envelope (2), and a second solid state light source (5) arranged inside the semi-reflective envelope (2), wherein the reflectivity of the semi-reflective envelope (2) is in the range from 30% to 70% for light emitted by the at least one first solid state light source filament (4a-d) and the second solid state light source (5), wherein the at least one first solid state light source filament (4a-d) is arranged at a first distance lower than 7 millimeters from the semi-reflective envelope (2), and wherein the second solid state light source (5) is arranged at second distance higher than 15 millimeters from the semi-reflective envelope (2).

Various embodiments are directed to a method of manufacturing a lighting device. In one example, the method comprises providing a glass envelope having one or more openings, inserting a first device component through one of the one or more openings, and providing at least one of the one or more openings with a glass cap by way of melt-joining. Prior to melt-joining the first device component is moved to a position within the glass envelope away from the at least one of the one or more openings. The first device component is repositioned and/or expanded within the glass envelope after melt-joining.

A high-diffusion-coefficient and high-brightness light source generation device comprising: a light source module, an optical fiber bundle and an optical fiber hemisphere emitter, wherein the light source module provides the optical fiber bundle with a plane light source having the same size as an end surface of an incident end thereof, the incident end receives light emitted from the light source module, exit ends transmit the light to the optical fiber hemisphere emitter, the exit ends of the optical fiber bundle arranged on a hemispherical wall of the optical fiber hemisphere emitter in an equal solid angle manner, an end surface of each optical fiber exit end located on the same surface as the inner wall of a hemisphere, a bottom plate arranged above an opening of the optical fiber hemisphere emitter, and an opal glass window arranged at the circle centre position of the bottom plate.

A glass jacketed led lamp is characterized by a prismatic LED module positioned coaxial to the axis of a cylindrical glass jacket having an inside diameter Dl, wherein the LED module comprises: a prismatic LED carrier structure having N longitudinal sides, and LEDs that are operationally mounted on at least one of the N sides; wherein: the carrier structure was formed by folding a single metal core printed circuit board (MCPCB) into a convex prismatic polyhedron; the prism cross section is an irregular and incomplete polygon such that the N sides are bounded by N+1 longitudinal fold edges, wherein a first edge and the (N+1)th edge are back edges that are spaced apart by a first separation GAP1.

A curved LED tubular lamp is disclosed. The curved LED tubular lamp includes a curved lamp tube having two straight segments and a curve segment disposed between the two straight segments; at least one flexible substrate having a plurality of

LEDs mounted thereon, and at least one positioning pillar formed on the inner surface of the curve segment of the curved lamp tube, wherein each of the two straight segments and the curve segment have LEDs disposed therein, and wherein the flexible substrate is disposed in at least the curve segment.

An LED tube lamp is disclosed. An installation detection circuit is configured in the LED tube lamp configured to receive an external driving signal. The installation detection circuit is configured to detect during one or more pulse signals whether the LED tube lamp is properly installed on a lamp socket, based on detecting a signal generated from the external driving signal. The installation detection circuit includes a switch circuit coupled to the pulse generating circuit, wherein the one or more pulse signals control turning on and off of the switch circuit. The installation detection circuit is further configured to: when it is detected during one or more pulse signals that the LED tube lamp is not properly installed on the lamp socket, control the switch circuit to remain in an off state to cause a power loop of the LED tube lamp to be open; and when it is detected during one or more pulse signals that the LED tube lamp is properly installed on the lamp socket, control the switch circuit to remain in a conducting state to cause the power loop of the LED tube lamp to maintain a conducting state.

In a first aspect of the present invention, a lighting device (100) includes a first light emitter (1) that includes a first light-emitting element (10) with a p-n junction (10g), and a first side cover (11) partly covering a peripheral side surface (10c-10f) of the first light-emitting element (10); a second light emitter (2) that includes a second light-emitting element (20) with a p-n junction (20g) and a second side cover (21) partly covering a peripheral side surface (20c-20f) of the second light-emitting element (20), and the first light emitter (1) and the second light emitter (2) are disposed to face each other at uncovered side portions (10c, 20c) that are uncovered by the first side cover (11) and the second side cover (21). It is disclosed that the first side cover (11) covers a quarter or more area of the peripheral side surface (10c-10f) of the first light-emitting element (10).

A modular light assembly having a control housing surrounding a power driver and at least one modular component. The modular component includes two side portions, a plurality of ribs extending between the two side portions to form a grated portion, and a flat portion configured to receive a COB LED. The lighting assembly may also comprise a video assembly having a camera and control circuitry provided within the lighting and video assembly for remotely controlling the camera.

An LED tube lamp comprises a glass lamp tube having a main body, two end caps coupled to a respective end of the tube, an LED light strip adhered to inner circumferential surface of the tube by first adhesive, a plurality of LED light sources mounted on a mounting region, a power supply module having a circuit board and a plurality of electronic components mounted on the circuit board, a diffusion layer covering on outer surface or inner surface of the tube, and a protective layer being disposed on surface of the strip and having a plurality of first openings for disposing the plurality of LED light sources. The strip comprises the mounting region and connecting region at an end of the strip. The circuit board is substantially parallel with axial direction of the tube, electrically connects to the connecting region, and stacks with a portion of the connecting region.