A display device includes a light source, a spatial light modulator, and an optical assembly. The light source is configured to provide illumination light and the spatial light modulator is positioned to receive the illumination light. The optical assembly includes a first reflective surface with an aperture and a second reflective surface that is opposite to the first reflective surface. The optical assembly is positioned relative to the light source so that at least a first portion of the illumination light received by the optical assembly is reflected by the second reflective surface toward the first reflective surface, is reflected by the first reflective surface toward the second reflective surface, and is transmitted through the second reflective surface. A method performed by the display device is also disclosed.

A display device includes a light source, a spatial light modulator, and an optical element. The optical element includes a reflective surface. The optical assembly is positioned relative to the light source so that at least a portion of the illumination light received by the optical element is reflected at the reflective surface back toward the light source. The spatial light modulator is positioned to receive at least a portion of the illumination light reflected by the reflective surface. A method performed by the display device is also disclosed.

Light-guiding panel, backlight module, and a display device are provided. An exemplary light-guiding panel includes a light-guiding body and a light diffusing-transmitting layer over the light-guiding body. The light-guiding body is configured to reflect incident light beams on a first side surface of the light-guiding body, thereby providing reflected light beams to the light diffusing-transmitting layer. The light diffusing-transmitting layer is capable of diffusing and transmitting the reflected light beams.

A backlight includes a substrate, a plurality of light sources, a reflective layer, a light guide plate, a pattern of light extractors, a plurality of patterned reflectors, and a diffusive layer. The plurality of light sources are proximate the substrate. The reflective layer is on the substrate. The light guide plate is proximate the plurality of light sources. The pattern of light extractors is on the light guide plate. The plurality of patterned reflectors are on the light guide plate. Each patterned reflector is aligned with a corresponding light source. The diffusive layer is on the light guide plate.

A backlight unit including a frame; a substrate located on one side of the frame; a plurality of light assemblies mounted on the substrate; a light guide plate configured to guide light emitted by the light assembly; and a reflection sheet located between the light guide plate and the frame and configured to reflect light emitted by the plurality of light assemblies. In addition, the light guide plate includes a first block including a plurality of light guide areas configured to emit light emitted by a corresponding first set of light assemblies; and a second block including a plurality of light guide areas configured to emit light emitted by a corresponding second set of light assemblies.

A light source module and a method for manufacturing the same, and a backlight module and a display device using the same are provided. The method includes the following steps. A reference light source module is provided. The reference light source module comprises a substrate and plural light-emitting units arranged on the substrate. Then, plural optical trends between every two adjacent light-emitting units are obtained. Then, plural optical ratios between every two adjacent light-emitting units are calculated, in which each of the optical ratios is a ratio of each of the optical trends to a total reference optical trend of the reference light source module. Then, plural target distances are calculated according to the optical ratios and plural initial distances between every two adjacent light-emitting units are adjusted according to the target distances, thereby forming a target light source module.

The present application discloses a backlight module and a display device. The backlight module includes a substrate and a light guide layer, the substrate has a plurality of light sources; the light guide layer is a patterned structure, and the patterned structure can change a light transmittance of the light guide layer from directly above the light sources to gaps between the light sources. The display device includes the backlight module.

A method of making suspended lighting fixtures that includes the use of flexible sheets of optically transmissive material, LED strips, and a linear heat-dissipating structure. The method comprises providing a first flexible sheet having a first major surface, an opposing second major surface, and a first edge having a first light input surface. A pair of flexible sheets of an optically transmissive material are provided, each having an edge with a light input surface. A first LED strip and a second LED strip are provided along with a linear heat-dissipating structure having a first channel and a second channel. The LED strips are positioned within the respective channels and attached to the body of the linear heat-dissipating structure. The edges of the flexible sheets are positioned within the respective channels and in proximity to the respective LED strips. The flexible sheets may be bent to a curved shape.

A display device has two flat regions and a bending region located between the two flat regions. The display device includes a reflective display device, a cover structure, and a light guide plate. The cover structure is located above the reflective display device. The light guide plate is located between the reflective display device and the cover structure. The light guide plate has a microstructure, and the microstructure is located on a top surface of the light guide plate close to the cover structure. The microstructure has a plurality of second microstructures located at the bending region, and the sizes of the second microstructures vary along with the distances between the second microstructures and a center position of the light guide plate.

An integrated optically functional multilayer structure includes a flexible, substrate film arranged with a circuit design including at least a number of electrical conductors on the substrate film; and a plurality of top-emitting, bottom-installed light sources provided upon a first side of the substrate film to internally illuminate at least portion of the structure for external perception via associated outcoupling areas, wherein for each light source of the plurality of light sources there is optically transmissive plastic layer, produced upon the first side of the substrate film, said plastic layer at least laterally surrounding the light source; the substrate film at least having a similar or lower refractive index therewith; and reflector design including at least one material layer, provided at least upon the light source and configured to reflect the light emitted by the light source and incident upon the reflective layer towards the plastic layer.