Patent classifications
F21W2131/406
Spotlight system, spotlight, optical component therefor and method of determining a spatial light distribution of the same
A spotlight system for illuminating a film or stage environment comprises a spotlight for generating light; and at least one optical component couplable to the spotlight for producing at least one spatial light distribution, wherein the optical component and/or the spotlight has/have a memory in which information on the spatial light distribution producible by the optical component is stored.
Braking system for an automated luminaire
A luminaire is provided that includes a head, a movement system, and a control system. The movement system rotates the luminaire head around an axis of rotation. The movement system includes a motor and a braking system. The motor moves a luminaire mechanism. The luminaire mechanism may be a gobo wheel, a lens, or other optical device of the luminaire, or it may be the luminaire head or the luminaire yoke. The control system determines whether the motor is rotating and engages the braking system when the motor is not rotating. When the motor is stopped, the control system may store in non-volatile memory a current absolute position of the luminaire mechanism.
Lighting device and stage light fixture comprising a plurality of such lighting devices
A lighting device produces scenic effects including a light source group; a light guide extending along a longitudinal axis and coupled to the light source assembly defining an optical path; a primary mirror arranged along the longitudinal axis facing the light source assembly to reflect the light beam from the light guide; and a secondary mirror facing the primary mirror to reflect the light beam reflected by the primary mirror towards an emission area surrounding the primary mirror, wherein a primary reflecting surface of the primary mirror has at least one first portion having a first hyperbolic shape or a first aspherical shape of even order and degree equal to or greater than four and a secondary reflecting surface of the secondary mirror has at least one second portion having a second hyperbolic shape or a second aspherical shape of even order and degree equal to or greater than four.
POWER SUPPLY DEVICE AND HIGH-POWER ILLUMINATION SYSTEM
The present disclosure provides a power supply device and a high-power illumination system. The power supply device includes: a housing, where the housing includes a first bottom plate having a first surface on which a first heat sink is provided and a second surface on which a thermal conductive potting layer is provided; and a printed circuit board, where the printed circuit board is located in the housing, the printed circuit board includes a circuit board body and multiple electronic components arranged on the circuit board body, at least part of the multiple electronic components is arranged facing the second surface of the first bottom plate, and the electronic component of the at least part of the multiple electronic components is partially immersed in the thermal conductive potting layer to conduct heat dissipated by the electronic component to the first heat sink for natural heat dissipation of the electronic component.
Stage light with electronically adjustable lighting effects
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.
Projecting device for generating light effect of galactic starry sky and projecting lamp
The utility model discloses a projecting device for generating a light effect of a galactic starry sky, including: a light-emitting assembly including at least one first incoherent light source and at least one first condensing lens, the first condensing lens being arranged on an illuminating surface of the first incoherent light source; a film assembly including a film sheet provided with a galactic starry sky pattern, the film sheet being arranged on the other side of the first condensing lens relative to the first incoherent light source; and an imaging assembly including at least three lenses, the three lenses being an imaging lens, an adjusting lens, and a wide-angle lens arranged sequentially in a projection direction of the film sheet, respectively. The technical solution of the utility model effectively improves practicality of the projecting device by setting a plurality of functional lenses.
Arrangement for illuminating and recording a moving scene
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.
Light fixture and method for operating said light fixture
A light fixture may include a casing and a support assembly configured to support and move the casing. The light fixture may include a light source assembly housed inside the casing and configured to generate visible light radiation of different colours. The light fixture may further include a control device configured to control the light source assembly based on the position or the movement of the casing or based on a parameter correlated to the position or the movement of the casing.
Multi-mode illumination module and related method
The illumination module for emitting light (5) can operate in at least two different modes, wherein in each of the modes, the emitted light (5) has a different light distribution. The module has a mode selector (10) for selecting the mode in which the module operates, and it has an optical arrangement. The arrangement includes—a microlens array (LL1) with a multitude of transmissive or reflective microlenses (2) which are regularly arranged at a lens pitch P (P1);—an illuminating unit for illuminating the microlens array (LL1). The illuminating unit includes a first array of light sources (S1) operable to emit light of a first wavelength L1 each and having an aperture each. The apertures are located in a common emission plane which is located at a distance D (D1) from the microlens array (LL1). In a first one of the modes, for the lens pitch P, the distance D and the wavelength L1 applies P2=2.Math.L1.Math.D/N wherein N is an integer with N≥1.
Light source system and lighting apparatus
Provided is a light source system, including: a light-emitting module configured to emit first light along a first light path and second light along a second light path; a wavelength conversion device configured to receive the first light and emit excited light with a color different from the first light; and a compensation device configured to guide the second light and adjust its luminous intensity distribution so that the luminous intensity distribution of the second light exiting from the compensation device is substantially identical to the excited light. The compensation device includes a compensation element configured to adjust luminous intensity distribution of a light beam so that an emergent light beam of the compensation element has reduced overall luminous intensity compared with an incident light beam. The second light exiting from the compensation device is combined with the excited light to form third light.