An A15 bulb is a type of A-shaped bulb commonly used in the lighting industry. A-shaped bulbs are widely utilized in residential settings, known for their versatility and popularity.

TM-21 is a term used in the lighting industry to refer to the “Lumen degradation lifetime estimation method for LED light sources” guidelines published by the Illuminating Engineering Society (IES).

Vlogging light refers to the type of lighting used in vlogging or video blogging to enhance the visual quality of the videos.

An E17 bulb, also known as an intermediate base bulb, is a type of light bulb that features an E17 base.

Damp location is an interior or exterior area that is periodically or regularly exposed to moisture condensation on, in, or near electrical equipment.

Continuous dimming refers to the capability of adjusting the brightness level of a light source smoothly and continuously. This feature is commonly found in LED bulbs and is achieved through the use of LED driver controllers.

MOCVD, or Metal Organic Chemical Vapor Deposition, is a technique utilized in the lighting industry for depositing thin films of materials onto a substrate.

Ambient temperature is the temperature of the air surrounding equipment or in a room. It is influenced by various factors such as weather, humidity, room insulation, equipment, people inside the room, cooling systems, heating systems, and other factors.

Reflectance is the measurement of the amount of light and heat that is reflected or absorbed by a certain color or surface.

Beam spread is the dispersion or diffusion of light emitted from a flashlight or light fixture. It is a measurement of the angle at which the light beam spreads out from the center, determining the coverage area and intensity of the light.