An LED lightbulb is disclosed. The LED lightbulb includes at least two sets of LEDs that emit two different color temperature light and that are located on a metal core printed circuit board. The combine intensity outputs of the at least sets of LEDs generate a selected corrected color temperature output. The corrected color temperature output is changed by rotating a diffusing unit with a conductive contact pad that engages contact tracks on color corrected temperature (CCT) buttons and thereby closing a circuit corresponding to a selected corrected color temperature output.

A LED filament arrangement (100), comprising a plurality of LED filaments (110a, 110b), each LED filament comprising an array of a plurality of light emitting diodes (120), LEDs, arranged on an elongated carrier (70), wherein a first LED filament (110a) elongates along a respective first axis, A.sub.i, and a second LED filament (110b) of the plurality of LED filaments elongates along a respective second axis, B.sub.i, wherein a respective angle, θ.sub.i, between A.sub.i and B.sub.i fulfils |θ.sub.i|>10°, a frame (200) comprising a plurality of first elements (210) defining a mesh structure of the frame, wherein a first element elongates along a respective first element axis, C.sub.i, wherein a respective first angle, α.sub.i, between A.sub.i and C.sub.i, and wherein a respective second angle, β.sub.i, between B.sub.i and C.sub.i fulfils |α.sub.i|≠|β.sub.i|, and a control unit configured to individually control the operation of the first and second LED filaments.

A flexible lighting panel comprising a light-emitting unit with electrical contact pads on a flexible substrate; a flat flexible printed circuit board with a bendable extension tab, wherein the circuit board is located on the opposite side of the light-emitting unit from the substrate; the area of the circuit board, not including the extension tab, is the same or greater than and overlaps the emissive area of the light-emitting unit; and the circuit board has at least two flat electrical connectors in electrical contact with the contact pads of the light-emitting unit; the flat electrical connectors extending along the extension tab of the circuit board for connection to a power source. The light emitting unit can be an OLED. The extension tab can be bent so that the flat electrical connections become accessible in different orientations. The panel can be ultrathin.

A channel system that includes a first channel section, a second channel section, and a hinge joint between the first and second channel sections is disclosed. The hinge joint allows the first channel section to fold against the second channel section for storage and shipping of the channel system. In one embodiment, the hinge joint itself includes a hinge member that extends between the two channel sections and bends hingedly to allow movement and two intermediate endcaps, which cap the channel sections on either side of the hinge joint. The hinge joint may be designed to “snap back” to a fully extended position. Mechanical securement structure may be added to the first channel section and the second channel section to improve force and retention during the “snap back” movement.

Methods and devices are described. A device includes an optical carrier part and a heatsink bulk part. The optical carrier part has an LED mounting area configured to receive an LED and an alignment feature configured for aligning with an optical component. The heatsink bulk part is separate from the optical carrier part and joined to the optical carrier part, such that the optical carrier part and the heatsink bulk part in conjunction are configured to perform a thermal management of an LED module, including the LED, and the heatsink bulk part, in operation.

A water floating-type light fountain includes a light-transmitting casing, a light-emitting assembly, and a water-spraying assembly. A mounting cavity is formed in the light-transmitting casing. The light-transmitting casing includes an upper casing and a bottom casing that are integrally formed. A band-shaped light-emitting surface is formed on an outer side surface of the upper case. The light-emitting assembly includes a circuit board, and a first light source and a second light source arranged on the circuit board. The first light source is located at the front of the circuit board, and the second light source is located at the back. The water-spraying assembly includes a spray head and a water pipe. The upper casing and the bottom casing are integrally formed, which effectively improves the waterproof performance of the light-transmitting casing, avoids water seepage, and saves the cost, and improves the landscape lighting effect of the light fountain.

A ceiling fan blade cover is provided. The device includes a flexible body and a lighting element. The flexible body includes a closed end and an open end. The open end defines an opening. The flexible body is designed to cover an individual ceiling fan blade. An attaching member is disposed on the flexible body. A fastener encircles the opening. The fastener secures the ceiling fan blade cover to the ceiling fan blade. In one embodiment, the fastener is an elastic band. In another embodiment, the fastener is an adjustable string with a slidable toggle. The lighting element includes a securing member that connects to the attaching member. The securing member secures the lighting element to the flexible body. The lighting element includes a transceiver which is operably connected to a controller. The controller may alter the color, pulsation, and intensity of illumination from the lighting element.

A refrigerator includes a cabinet forming a storage space, a main door that opens and closes the storage space while defining an opening part that is in communication with the storage space, a sub-door mounted to the main door and configured to open and close the opening part, the sub-door including a panel assembly for allowing selective viewing of an inside of the opening part, the injection port is provided at a lower side of the sub-door to direct an insulating foaming solution to a space in the sub-door, a detection device for detecting an operation of a user, a lighting unit inside the refrigerator that turns on based on user operation to allow selective viewing of the inner side of the opening part, and a display unit inside the refrigerator at a position corresponding to the panel.

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 stretchable sheet-form electronic display having a generally rectangular shape with four edges, a thickness of less than 1.5 mm, and a longer dimension of at least 100 mm. The stretchable sheet-form electronic display includes an elastic substrate sheet comprising a thin layer of an optically transmissive material having a relatively high elastic range, a grid of flexible connecting members and a two-dimensional array of at least 100,000 digitally addressable solid-state light emitting devices such as micro OLEDs or LEDs. At least some of the solid-state light emitting devices may be arranged into light emitting clusters and directly or indirectly mounted to a plurality of support pads. The solid-state light emitting devices within the clusters may be configured for emitting light in different colors such as blue, red, and green.