A light source module includes a first light-splitting element, a second light-splitting element, a first light source, a second light source and a third light source. The first light source emits a first light having a first wavelength to the first light-splitting element in a first optical path direction. The second light source emits a second light having the first wavelength to the first light-splitting element in a second optical path direction perpendicular to the first optical path direction. The third light source emits a third light having a second wavelength to the first and second light-splitting elements in a third optical path direction opposite to the second optical path direction, and the second wavelength is different from the first wavelength. The first light source and the second light source include reflection layers configured to reflect light having the first wavelength.

An optical element, a lighting system, and a LED luminaire simulate natural sunlight for a space, such as an indoor room. The optical element is disposed in front of a tunable white light source and includes unique microstructures, which when used with the tunable white light source, produces an appearance of the sun. The lighting system comprises the optical element, the tunable white light source assembling the sun and a color tunable light emitting panel assembling a sky. The luminaire incudes the lighting system, a driver, and a controlling device for simulating sunny sky scenes throughout the day.

A LED module (24) for a blinder (10) having several LEDs (30) of the color warm white, one LED or several LEDs (30) of the color red, and one LED or several LEDs (30) of the color amber.

In some embodiments, a lighting assembly including at least one light-emitting device positioned within a housing is disclosed, wherein the housing is designed to allow an ambient environment to pass into the housing and transfer heat from the at least one light-emitting device. The light-emitting area of the light-emitting device may be sealed from the ambient environment. In some embodiments, the housing may include at least one recess, port, or other opening configured to allow a liquid or gas to promote heat transfer from the light-emitting device. In some embodiments, a vehicle, a marine system, or other systems may include at least one lighting assembly as contemplated herein.

A method and an apparatus and system for producing light using LED lighting with output within a predetermined desired color temperature range for commercial lighting uses. A preferred embodiment includes a first and second group of LEDs arranged in an alternating matrix configuration, each group of LEDs configured to produce light in a predetermined color temperature range. In a preferred embodiment, an LED light system includes a tubular LED lamp having substantially the same size and dimensions as a traditional fluorescent lamp tube and a control box for controlling power input and power gain to the first, second, or both groups of LEDs.

The present disclosure discloses a lighting lamp, the lighting lamp includes a housing, a control system and a first light source module, the housing has a light exiting port, the first light source module includes a light guide plate and a first red green blue (RGB) light source, the control system controls the first RGB light source to emit first light of a first predetermined color, the light guide plate is installed on the light exiting port, the light guide plate includes a first plate surface facing outside of the housing, a second plate surface facing inside of the housing, and an outer peripheral surface connecting the first plate surface and the second plate surface, the first RGB light source faces the outer peripheral surface, wherein the first light enters the light guide plate through the outer peripheral surface, and exits the light guide plate through the first plate surface.

The invention provides a lighting system (1000) comprising (i) a plurality of light sources (10) configured to generate light source light (11), and (ii) optics (20) configured downstream of the light sources (10), wherein the lighting system (1000) further comprises a 2D array (110) of at least part of the total number of light sources (10), wherein nearest neighboring light sources (10) in the 2D array (110) have an average first shortest distance (dd1), wherein the lighting system (1000) is further configured to generate in an operation mode lighting system light (1001) comprising light source light (11) of a subset of the total number of light sources (10) wherein nearest neighboring light sources (10) configured to generate the light source light (11) for the lighting system light (1001) in the operation mode have an average second shortest distance (dd2), wherein the average second shortest distance (dd2) is larger than average first shortest distance (dd1).

A lighting device includes a first light-emitting device, a plurality of second light-emitting devices, and a control unit. The first light-emitting device has a first emission spectrum that has a first peak wavelength in a wavelength range from 360 nm to 430 nm and in which a light intensity continuously decreases with decreasing wavelength from the first peak wavelength and with increasing wavelength from the first peak wavelength. Each of the plurality of second light-emitting devices has a second emission spectrum with a second peak wavelength in the range from 360 nm to 430 nm, that has a third peak wavelength in a range from the second peak wavelength to 750 nm, and in which a light intensity continuously decreases with decreasing wavelength from the second peak wavelength and with increasing wavelength from the third peak wavelength. The control unit controls all of the light-emitting devices.

The present invention relates to a light emitting device (100). The light emitting device comprising a carrier (130). The carrier comprising a first plurality of LEDs (110) arranged in a matrix arrangement, the matrix arrangement having a plurality of LED columns (112, 114, 116) and a plurality of LED rows (113, 115, 117), wherein LED columns of the plurality of LED columns (112, 114, 116) are spaced apart from each other with a first spacing (S1) and LED rows of the plurality of LED rows (113, 115, 117) are spaced apart from each other with a second spacing (S2) and, a second plurality of LEDs (120) arranged in a linear arrangement, the linear arrangement having a length (L) larger than a width (W), wherein LEDs of the second plurality of LEDs (120) are spaced apart from each other with a third spacing (S3), the third spacing (S3) being smaller than the first and the second spacings (S1, S2) and wherein the second plurality of LEDs (120) are arranged in between LEDs of the first plurality of LEDs (110) and within the first and the second spacings (S1, S2).

A multicolor laser source includes a collimator lens having first and second lens portions, a first laser unit for emitting light of a first color, a second laser unit for emitting light of a second color, a reflective unit disposed obliquely to a light-entrance axis of the first lens portion, a reflective diffusing member, and a lens array disposed on a light-exit axis of the second lens portion. The reflective unit is disposed opposite to the first and second laser units for reflecting the first and second color lights to the first lens portion along the light-entrance axis. The reflective diffusing member is disposed at a side of the collimator lens to homogenize the first and second laser lights and reflect the first and second color lights to the second lens portion along the first light-exit axis, to be outputted through the lens array.