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.

Provided is a surface light emitting illumination device including: a light guide panel on which a fine pattern is formed; a channel that includes a pair of first and second channels inside an edge of the light guide panel, and a third channel that connects the first and second channels; first and second LED strips inserted in the first and second channels, in which a plurality of LED chips are mounted on a flexible substrate; an electric wire inserted in the third channel to connect the first and second LED strips; first and second fixing bands inserted in the first and second channels to fix the first and second LED so that the first and second LED strips are not separated from the first and second channels; and a channel communication part formed in a side wall of the light guide panel to communicate with the first channel.

A planar light source includes: a light guide plate including: a first principal face, a second principal face located opposite the first principal face, and a plurality of through holes that are open at the first principal face and the second principal face; a plurality of light sources, wherein at least one of the light sources is located in the through holes of the light guide plate; a wiring substrate on which the plurality of light sources are located; a first light transmissive member located in a first of the through holes so as to cover at least a portion of a lateral face of the at least one light source located in the first through hole; and a second light transmissive member located in the first through hole so as to cover at least an upper face of the first light transmissive member.

A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface.

A household lighting lamp and a control method for a household lighting lamp. The household lighting lamp comprises a lamp holder, a main light-emitting component, and a secondary light-emitting component; the front side of the lamp holder is a front panel, and the rear side of the lamp holder is a mounting part; the main light-emitting component is disposed in front of the lamp holder, the secondary light-emitting component is disposed behind and/or at the side of the lamp holder, and the main light-emitting component and secondary light-emitting component are electrically connected to a control circuit. The illumination of the lighting lamp can be conveniently adjusted, and the light sensation of the lamp is comfortable and can be adapted to requirements of a user in different scenarios.

A electronic device is provided. The electronic device includes a circuit board, a first light-emitting element and a second light-emitting element disposed on the circuit board along a first direction. The backlight module includes a light guide plate and an adhesive structure between the circuit board and the light guide plate and having a first opening and a second opening. The first and second light-emitting elements are disposed in the first and second openings respectively. A portion of the adhesive structure disposed between the first and second openings includes a first part and a second part, the first part is disposed between the first and second light-emitting elements, and the second part is connected with the first part and extends toward the light guide plate. A second maximum width of the second part is greater than a first maximum width of the first part along the first direction.

Provided are a light source circuit unit that improves light extraction efficiency, as well as an illuminator and a display that include such a light source circuit unit. The light source circuit unit includes: a circuit substrate having a wiring pattern on a surface thereof, the wiring pattern having light reflectivity, a circular pedestal provided on the circuit substrate, a water-repelling region provided at least from a peripheral edge portion of the pedestal to a part of a side face of the pedestal, and one or two or more light-emitting device chips mounted on the pedestal, and driven by a current that flows through the wiring pattern.

A lamp, a hanging transparent lamp and a lamp system are provided. The lamp includes a frame body, a light guide plate, a light source and a circuit assembly. The frame body includes side covers, side bars, a first integrating member and a second integrating member. Each of the side covers comprises a carrying portion. Each of the two side covers is partitioned into an upper space and a lower space by the side bar. The light guide plate is held on the carrying portions. The light guide plate has a first light-emitting surface and a second light-emitting surface. Only side edge portions of the first light-emitting surface and the second light-emitting surface are covered by the frame body. The light source is disposed adjacent to the side surface of the light guide plate. The circuit assembly is connected to the light source to form an electrical loop.

A lighted railing assembly with at least one railing member includes an inner cavity, a battery disposed within the inner cavity and a lighting device powered by the battery. A solar panel is integrated into the railing member and is electrically coupled to charge the battery. A controller is configured to control charging of the battery and activation of the lighting device in response to a signal provided by an ambient light sensor.

A display device is provided and includes a liquid crystal display panel; and a backlight device opposed to the liquid crystal display panel via a polarizing plate; the backlight device including a frame comprising at least four bars; a first adhesive layer provided on one surface of the bars; a reflective sheet; a lightguide disposed on the reflective sheet in the frame; and a light source disposed in the frame and configured to emit light to the lightguide, wherein the frame includes a portion that is exposed from the liquid crystal display panel in a plan view, and a resin adhesive layer having a light-shielding property covers an external surface of the liquid crystal display panel and the portion of the frame.