The purpose of the present invention is to realize a lighting device of thin, low power consumption and small light distribution angle. The present invention takes the following structure to realize the above task:

A lighting device having an emitting surface and a bottom opposing to the emitting surface including: a resin, set between the emitting surface and the bottom, having a hole at a center, a reflection block set in the hole at a side of the emitting surface, an LED, which is a light source, set in the hole at a side of the bottom, a space between the LED and the reflection block, in which the resin is contained in a container whose inner surface is a reflecting surface.

An optical system including a lighting component and a switchable diffuser in optical communication with the lighting component. The optical system may further include a low absorbing optical component. At least one outer surface of the switchable diffuser and/or the low absorbing optical component includes light redirecting structures. When the switchable diffuser is in a first state and the optical system produces a light output, the light redirecting structures are configured to increase the full width at half-maximum (FWHM) of the light output of the optical system in at least one direction by at least 5 degrees relative to that of an otherwise equivalent optical system that does not include the light redirecting structures.

The invention provides a light generating system (1000) comprising a LED module (100), a module support (200), and a connector element (300), wherein: the module support (200) comprises a first module support opening (230) for hosting at least part of a first connector element part (310); the LED module (100) comprises a LED support (120) and a plurality of LEDs (10) functionally coupled to the LED support (120), wherein the LED support (120) comprises a LED support opening (130) for hosting at least part of the first connector element part (310); and wherein the plurality of LEDs (10) are configured to generate light source light (11); the connector element (300) comprises the first connector element part (310), and wherein the first connector element part (310) comprises a first spring part (315); at least part of the first connector element part (310) penetrates through the first module support opening 230); and the LED support opening (130), the first connector element part (310), and the module support (200) are chosen such that in a functional coupling of the LED module (100) and the module support (200), at least part of the first connector element part (310) penetrates through the LED support opening (130), and the first spring part (315) exerts a force on the LED module (100) against the module support (200).

Liquid crystal (LC) beam modulation devices are applied to lighting control or to optical wireless communications to improve performance of lighting or communications. A flexible optical network using LC beam modulation and common control of beam intensity and solid angle of beams are also described.

The present invention relates to a lighting device and a control method therefor. The lighting device according to the present invention comprises: a light source unit comprising one or more light emitting elements; a first body to which the light source unit is mounted; a second body; a sensor unit for sensing at least one of a relative posture and a relative position of the first body to the second body; and a control unit for controlling the light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body.

The present invention relates to a lighting device and a control method therefor. The lighting device according to the present invention comprises: a light source unit comprising one or more light emitting elements; a first body to which the light source unit is mounted; a second body; a sensor unit for sensing at least one of a relative posture and a relative position of the first body to the second body; and a control unit for controlling the light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body.

A stage light with electronically adjustable lighting effects comprises a light box with a heat dissipation mechanism, a heat dissipation hole formed on a rear side communicating with the mechanism, and a light panel disposed on a front side; a dimmable glass disposed on the light panel, comprising an outer glass layer and liquid crystal molecules; and a control box disposed on the light box and having a control circuit electrically connected to the glass, the control circuit comprises a central processing unit, a voltage regulating unit and a signal receiving unit, the signal receiving unit receives a digital multiplexing signal and transmits it to the central processing unit that generates a voltage adjustment command through the signal and transmits the command to the voltage regulating unit, the voltage regulating unit controls arrangement of the liquid crystal molecules through the command to change a light transmittance of the glass.

Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board. The elongated board may include a non-polar power socket.

An arrangement that illuminates and records a moving scene, including a light source that illuminates the moving scene, a control device that operates the light source, and a camera that records the moving scene, wherein the light source includes a plurality of pixels, each of which is configured to illuminate an area of the moving scene, the control device is configured to operate the pixels, and the light source includes at least one semiconductor component including at least one semiconductor chip containing two or more of the plurality of pixels.

An LED projection lamp includes a light-emitting assembly and a main body. The light-emitting assembly at least includes a light source for generating light, and a rotating body disposed on a light path of the light for enabling the light to present a first effect. The main body includes an accommodating cavity for accommodating the light-emitting assembly. The main body includes a lens and a light-transmitting sheet, the lens emits a light having the first effect, and the light-transmitting sheet emits the light. A light-blocking member is disposed on an outer portion of the light-transmitting sheet, a light-transmitting hole is defined on the light-blocking member, and the light-transmitting holes enables the light to present a second effect.