Abstract: Incubators are disclosed which include an enclosure with an internal chamber configured to support a cell culture plate and provide an environment suitable for maintaining and/or culturing biological cells. The enclosure can include one or more openings configured to allow access to the cell culture plate. The incubators can further include a structure having a plurality of openings configured to be aligned with a corresponding plurality of wells in the cell culture plate, and a sealing element configured to moveably seal the plurality of openings in the structure. The sealing element can comprise a plurality of openings corresponding to at least a subset of the plurality of openings of the structure. Access to the internal chamber can be provided by aligning the plurality of openings in the sealing element with the plurality of openings in the structure. Methods for using the incubators are also provided.

Abstract: Provided is a lighting device using semiconductor laser elements that can be safely used even in a cold region etc. The present invention includes: a plurality of semiconductor laser elements; a temperature sensor that measures an ambient temperature of the plurality of semiconductor laser elements; and a current controller that controls current supply to the semiconductor laser elements, wherein, when a measured value from the temperature sensor is equal to or less than a predetermined first threshold temperature, the current controller does not supply a current equal to or greater than a threshold current, which is required to emit laser light, to the semiconductor laser elements until the measured value exceeds the first threshold temperature, and when the measured value exceeds the first threshold temperature, the current controller supplies a current equal to or greater than the threshold current to the semiconductor laser elements.

Abstract: A lighting device assembly includes a light engine assembly and a mounting housing. A rotatable support structure supports the light engine assembly on the mounting housing for rotation relative to the mounting housing about a first axis. A releasable connection mechanism locks the light engine assembly to the rotatable support structure and is selectively releasable to release the light engine assembly from the rotary support structure.

Abstract: A lighting device assembly includes a light source attached to a heat sink member, a first optic device and a mounting housing configured to be secured in or to a ceiling, wall or other object, and to hold the heat sink member. A second optic device including a second optic member is configured to receive light emitted in a first direction from the light emitting surface of the first optic device and to emit light in a second direction that is transverse to the first direction. A connection mechanism selectively connects the second optic device to the mounting housing, for selective disconnection from the mounting housing.

Abstract: Light boards including one or more light emitting elements (e.g. light emitting diode (LED) devices) for use in lighting fixtures are disclosed. In one example implementation, a light board includes a first layer having a first surface and an opposing second surface. The light board includes one or more light emitting elements disposed on the first surface of the first layer. The light board includes one or more circuit elements located on the second surface of the first layer. The one or more circuit elements are associated with powering the one or more light emitting elements. The light board includes a second layer disposed on the second surface of the first layer such that the one or more circuit elements are located between the second surface of the first layer and the second layer.

Abstract: An optic support is provided for a light fixture having a light engine secured within a housing. The optic support includes a body and a biasing member. The body includes a first portion and a second portion. The second portion is configured to engage an optic. The biasing member is coupled to the first portion of the body. The biasing member is configured to bias the body into engagement with the housing.

Abstract: The present disclosure provides methods for generating white light. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: A light fixture includes a housing adapted to secure the light fixture to a building. A lamp may be mounted to the housing. The light fixture further includes an actuator configured to move the device to move between a retracted position and an extended position so that the lamp can illuminate an area around the building.

Abstract: A light fixture includes a central housing, a panel, a light source, and a tether. The central housing defines first and second side surfaces and a bottom surface, and the bottom surface defines a plane. The panel is pivotably coupled with the first side surface, and the light source is coupled with the panel. The tether is coupled at one end with the panel to pivotably suspend the panel, and the second end of the tether includes an attachment member. The attachment member is configured to selectively couple with any one of a plurality of anchor positions located on the central housing. The panel is therefore fixable between a plurality of angles relative to the plane as determined by the attachment member being coupled with a selected one of the plurality of anchor positions.

Abstract: A lighting device assembly includes a light source attached to a heat sink member to emit light in a first direction. A support structure supports the heat sink member in a pivotally adjustable orientation about an adjustment axis, to allow adjustment of the first direction. A drive mechanism selectively drives the heat sink member to pivotally adjust the orientation of the heat sink member about the adjustment axis to change the first direction. The drive mechanism includes a drive screw having, a collar threaded to the drive screw to move linearly along the drive screw axis as the drive screw is rotated, and at least one strut to transfer linear movement of the collar to pivotal movement of the heat sink member.

Abstract: A wireless controller for detecting events and controlling illumination of one or more light fixture is disclosed. The device includes a wireless transceiver, a processor, an input sensor, and an output control module. The wireless controller can be used with a the wireless lighting control system, including one using a wireless mesh network. The controller is configurable for the input sensor and output control module operating in either an interdependent mode or an independent mode. In the interdependent mode the input sensor and output control module are logically/functionally related, and in the independent mode the input sensor and output control module are logically/functionally unrelated.

Abstract: A luminaire includes a first portion, a second portion, and a third portion. The first portion extends along a first axis and supports a first light emitter. The second portion is laterally spaced from the first portion and extends along a second axis that is oriented parallel to the first axis. The second portion supports a second light emitter. The third portion is disposed laterally between the first portion and the second portion and extends along a third axis that is oriented parallel to the first axis. The third portion supports at least one current driver for driving at least one of the first light emitter and the second light emitter.

Abstract: A method for controlling operation of a lighting system is provided. The method includes operating the lighting system in a first mode during a time period to provide a first light output. The first output can be a blend of HINS light and non-HINS light. The method includes determining a dosage amount of HINS light provided during the time period. Furthermore, the method includes operating the lighting system in a second mode to provide a second lighting output. The second light output can be HINS light or a blend of HINS light and non-HINS light. Furthermore, spectral energy associated with HINS light in the second light output is greater than spectral energy associated with the HINS light in the first light output.

Abstract: A linear light fixture assembly comprises a linear housing structure with a linear mounting region, the linear mounting region including an exposed passage having a first lateral dimension and configured to be secured to a ceiling mounting structure on a ceiling, the ceiling mounting structure having a second lateral dimension, and a linear conduit structure having opposed surfaces which are spaced by a third lateral dimension, wherein the linear housing structure and/or the linear conduit structure are configured so that the first, second/or and third lateral dimensions enable the linear conduit structure to extend past the ceiling mounting structure into the exposed passage to deliver power to one or more light sources to be located in the housing.

Abstract: A dimmable circadian lighting system is provided that includes a light source and a control circuit in electrical communication with the light source and a dimmer. The control circuit is operative to vary a corelated color temperature (CCT) of the light source based on a signal from the dimmer; and maintain approximately a same lumen output of the light source across an upper transition zone of the dimmer extending from about 70% or greater of a range of the dimmer to about 100% of the range of the dimmer.

Abstract: Optically-actuated microfluidic devices permit the use of spatially-modulated light to manipulate micro-objects such as biological cells. Systems and methods are described for providing sequences of light patterns to move and direct a plurality of micro-objects within the environment of a microfluidic device. The sequenced light patterns provide improved efficiency in directing the transport of the plurality of micro-objects. Other embodiments are described.

Abstract: An optical cup which mixes multiple channels of light to form a blended output, the device having discreet zones or channels including a plurality of reflective cavities each having a remote phosphor light converting appliance covering a cluster of LEDs providing a channel of light which is reflected upward. The predetermined blends of phosphors provide a predetermined range of illumination wavelengths in the output.

Abstract: A lighting assembly with a single edge lit optical configuration produces various asymmetric light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor of the lighting assembly embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The lighting assembly can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions. Optical components within the lighting assembly are typically positioned and retained in optical alignment with internal support features of a linear housing.

Abstract: A driver housing for holding driver electronics of a lighting device system includes a first housing portion and a second housing portion. The first housing portion is configured to hold and retain the driver electronics. The second housing portion is configured to contain or hold one or more electrical connectors for connecting the first one or more electrical conductors to the one or more power source conductors. A pivotal joint connects the first housing portion and the second housing portion together, for pivotal movement relative to each other. The pivotal joint improves the ease and ability of installation of the driver housing in small or narrow spaces.