The present invention relates to an illuminating knitted hat comprising a hat body and an illuminating structure, wherein the illuminating structure comprises a light-condensing component, a light-scattering component and a main control circuit board, wherein a switching button is connected to a surface of the main control circuit board, and a charging interface is connected to the main control circuit board; by applying a pressing force to the switching button, the main control circuit board and lampwicks or a light panel are powered on to form a loop, so that the lampwicks are powered on to emit condensed light or the light panel is powered on to emit scattered light, thereby achieving the effect of illuminating, achieving the function of a condensing light by a downlight or illuminating by scattering light, increasing the illuminating range or scope.

Provided is a light source module including a package body having a groove portion, a semiconductor light emitting diode (LED) chip provided on a bottom surface of the groove portion, the semiconductor LED chip being configured to emit light based on a first driving voltage applied thereto, a variable light transmission unit provided on the groove portion and having light transmissivity varying based on a second driving voltage applied thereto, a first electrode side surface and a second electrode side surface provided on side surfaces of the groove portion and connecting the bottom surface of the groove portion to the variable light transmission unit, and a processor configured to control application of the first driving voltage to the semiconductor LED chip and the second driving voltage to the variable light transmission unit.

The purpose of the present invention is to realize a lighting device of small light distribution angle and less leakage light and further to realize a lighting device in which the light beam is easy to control. The following is an example of the structure to meet the above purpose. A lighting device including: a light guide; LEDs set at a side surface of the light guide; a prism sheet set on a major surface of the light guide, in which a first louver which extends in a first direction and, a second louver which extends in an orthogonal direction to the first direction are superposed on the prism sheet.

An image capturing device includes: an illuminator configured to generate illumination light having wavelength bands and an illumination characteristic; an imager configured to generate an image signal by capturing light from a subject; and a processor configured to: control the illumination characteristic; set a piece of statistical data used for estimating a spectral characteristic of the subject included in the image signal; estimate the spectral characteristic of the subject included in the image signal based on the set piece of statistical data; define an illumination characteristic of illumination light in accordance with the estimated spectral characteristic of the subject; and determine whether or not the set piece of statistical data is an adequate piece of statistical data based on whether or not an image signal generated by the imager under the illumination light having the defined illumination characteristic satisfies a criterion for achromatic color.

A light source module includes a light source, first and second lens elements, a reflector, and a first diffuser. The light source emits a beam focused by the first lens element on a first focal point. The reflector is disposed on a beam transmission path. The first lens element is between the light source and the reflector. The first diffuser is between the first lens element and the reflector and includes a first diffusion plate and a first drive mechanism. The first diffusion plate is at/near the first focal point. The beam is transmitted to the reflector by the first diffusion plate. The first drive mechanism is between the first diffusion plate and the first lens element, and moves/rotates the first diffusion plate. The second lens element has a second focal point, coinciding with the first focal point, at a light-incident side. The reflector is at the light-incident side.

An optic for a light-emitting diode (LED) array comprises an arrangement of optical structures for providing down lighting distribution from the LED array and a waveguide edge for providing up-lighting distribution from the LED array. Luminaires are described comprising an LED array and the optic. An overhead light fixture includes a driver assembly and a light-emitting assembly. The light-emitting assembly is operably connected to the driver and configured for downward emission of light from a light source of the light-emitting assembly. The light fixture is configured to be mounted to a canopy sheet of an overhead canopy, with the driver assembly disposed above the canopy sheet and the light-emitting assembly disposed below the canopy sheet. A bezel is optionally disposed around a lens of the light-emitting assembly, for aesthetic reasons and/or for controlling a degree of lateral emission of light from the light fixture.

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.

The invention provides a lighting device (1000) configured to generate lighting device light (1001), wherein the lighting device (1000) comprises (i) a first laser light source (10) configured to generate a beam (15) of first laser light source light (11), (ii) a speckle control element (30), and (iii) a control system (50), wherein in one or more control modes of the control system (50) the speckle control element (30) is configured in an optical path (16) of the first laser light source light (11) for providing the lighting device light (1001) comprising a speckle distribution (35) of the first laser light source light (11), wherein at a predetermined distance L from the lighting device (1000) the speckle distribution (35) has a first speckle contrast value C1 selected from the range of 3%<C1<100%, wherein the predetermined distance L is selected from the range of 0.5-50 m, and wherein the control system (50) is further configured to dynamically control with the speckle control element (30) the first speckle contrast value C1 in one or more of the one or more control modes.

A lighting device that provides visible illumination with enhanced emission in the range 460-520 nm with a M/P ratio of XI, where XI is at least 0.7, a correlated color temperature of 4000-14000 K, and an average color rendering index of at least 70.

A light distribution control element includes a first transparent substrate, a second transparent substrate, first control electrodes and second control electrodes provided on the first transparent substrate, light-transmissive regions provided between the first transparent substrate and the second transparent substrate, and electrophoretic elements including electrophoretic particles charged to a specific polarity and having a light blocking property and optically transmissive dispersant. Each electrophoretic element is provided between two light-transmissive regions. At least a part of at least one of the first control electrodes and at least a part of at least one of the second control electrodes both overlap with each of the plurality of electrophoretic elements. Dispersion of the electrophoretic particles changes depending on potential difference between the first control electrodes and the second control electrodes to change a range of outgoing direction of light transmitted through the light distribution control element.