An LED tube lamp includes a glass lamp tube, two end caps, an LED light strip, a power supply, and a diffusion film. 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 adhesive. The LED light strip is attached to an inner circumferential surface of the glass lamp tube with a plurality of LED light sources mounted on the LED light strip. The diffusion film is disposed on an out surface of the glass lamp tube.

A projection lamp is provided, which includes a first shell assembly, a projection assembly and a light shielding member. The first shell assembly includes a transparent mask. The projection assembly includes an optical lens, an optical element, a light source and a driving source for driving the optical element to move. The optical element is positioned to direct light from the light source to the optical lens when the light source is powered. At least part of the light shielding member is disposed between the peripheral region of the transparent mask and the peripheral region of the optical lens. The light shielding member has a first opening, and the light from the light source only passes through the first opening of the light shielding member to emit out from the transparent mask after passing through the optical lens.

A light fixture (100) includes a carriage (104), a hood (102) rotatably attached to the carriage (104), and a light engine (150, 900, 1108) that includes a plate (110, 902) and a light module (112, 926). The light module (112, 926) is attached to the plate (110, 902), and the plate (110, 902) is rotatably attached to the carriage (104).

A line lamp is provided, which includes a power connection assembly, a light transmissive housing and one or more lamp lines. Lamp lines includes a fixed end electrically connected with the power connection assembly and a free end provided with a first connecting member, free end, and the light transmissive housing is provided with a second connecting member matched with the first connecting member. The first connecting member is a first suction member; the second connecting member is a second suction member, and the first suction member is in suction connection with the second suction member. Or, the first connecting member is a first hooking member; the second connecting member is a second hooking member, and the first hooking member is hooked with the second hooking member.

A downlight fixture housing fabrication method in which upper and lower downlight fixture housing portions are formed in separate steps and joined by press-fitting, a bonding agent, pinning, and/or threaded engagement.

LED related lighting methods and apparatus are described. Various features relate to water tight light fixtures. Some of the fixtures are spotlights while other fixture are intended for in ground use. The light fixtures in at least some embodiments include power control features. In spotlight embodiments beam angle and power or light output can be controlled without opening the light assembly or compromising the water tight seals which also protect against dirt. In ground embodiments support tilt angle setting which allow a user to set the light fixture to one or more tilt angles. Beam angle can also be changed in some embodiments as well as power control. Beam angle, power control and tilt angle adjustments are supported in some embodiments but need not be supported in all embodiments with some embodiments using one or more of the described features but not all features.

LED related lighting methods and apparatus are described. Various features relate to water tight light fixtures. Some of the fixtures are spotlights while other fixture are intended for in ground use. The light fixtures in at least some embodiments include power control features. In spotlight embodiments beam angle and power or light output can be controlled without opening the light assembly or compromising the water tight seals which also protect against dirt. In ground embodiments support tilt angle setting which allow a user to set the light fixture to one or more tilt angles. Beam angle can also be changed in some embodiments as well as power control. Beam angle, power control and tilt angle adjustments are supported in some embodiments but need not be supported in all embodiments with some embodiments using one or more of the described features but not all features.

An LED tube lamp comprises: an LED module for emitting light; a rectifying circuit for rectifying an external driving signal to produce a rectified signal; and a mode determination circuit for determining to perform a first mode or a second mode of lighting according to the rectified signal; wherein the mode determination circuit comprises two voltage dividers for producing a first fraction voltage and a second fraction voltage of the rectified signal, and a control circuit coupled to the two voltage dividers and configured for receiving the first fraction voltage and for receiving the second fraction voltage. When the first fraction voltage signal is in a first voltage range, the mode determination circuit determines to perform the first mode of lighting; and when the second fraction voltage is in a second voltage range, the mode determination circuit determines to perform the second mode of lighting.

An apparatus creating a flickering flame effect. The apparatus includes a housing with an interior space with first and second stages. A drive mechanism generates a time varying electromagnetic field extending into the first stage. A first pendulum member is pivotally mounted in the interior space of the first stage and includes first and second magnets on first and second ends, with the first end proximate to the drive mechanism such that the first magnet interacts with the varying electromagnetic field to cause movement of the pendulum member. The apparatus includes a second pendulum member pivotally mounted in the second stage with a magnet on a first end proximate to the second end of the first pendulum member. A flame silhouette element extends from the second pendulum member, and a light source transmits light onto the flame silhouette, which is moving due to the magnetic coupling of the pendulum members.

An apparatus creating a flickering flame effect. The apparatus includes a housing with an interior space with first and second stages. A drive mechanism generates a time varying electromagnetic field extending into the first stage. A first pendulum member is pivotally mounted in the interior space of the first stage and includes first and second magnets on first and second ends, with the first end proximate to the drive mechanism such that the first magnet interacts with the varying electromagnetic field to cause movement of the pendulum member. The apparatus includes a second pendulum member pivotally mounted in the second stage with a magnet on a first end proximate to the second end of the first pendulum member. A flame silhouette element extends from the second pendulum member, and a light source transmits light onto the flame silhouette, which is moving due to the magnetic coupling of the pendulum members.