An apparatus including a light conversion element including an input interface for receiving input light; an output interface for providing output light having at least one different, lower frequency than the input light; and a plurality of light guides extending between the input interface and the output interface that suspend down-conversion material at remote locations from the input interface, wherein the down-conversion material is configured to down-convert the received input light to produce the provided output light of lower frequency or frequencies.

An electrodeless organic light-emitting device (10) and LCD systems using same are disclosed. The electrodeless organic light-emitting device (10) includes an organic light-emitting structure (200) with at least one organic light-emitting layer (250), and an illuminator (100) operably disposed to illuminate the organic light-emitting structure (200) with redirected light (114D). The redirected light (114D) causes the one or more organic light-emitting layers (250) to emit light (254), which constitutes the illumination from the organic light-emitting device (10). An LCD system includes the electrodeless organic light-emitting device (10) operably arranged relative to an LCD panel to receive the illumination (254). The organic light-emitting layer (250) can be segmented, with each segment emitting a primary color of light. The organic light-emitting layer segments are aligned with the cells of the LCD panel to define pixels for forming a display image. The LCD system can be configured to have a non-black background color when in the “off” state. Methods of forming illumination and display light are also disclosed.

The present invention relates inter alia to a color display comprising nanoparticles and color filters.

A color conversion panel according to an exemplary embodiment of the present invention includes: a substrate; a first color filter and a second color filter adjacent to the first color filter disposed on the substrate; a first color conversion layer disposed on the first color filter; and a second color conversion layer disposed on the second color filter, wherein each of the first color conversion layer and the second color conversion layer includes at least two quantum dots representing different colors, and wherein the first color filter displays a different color from the second color filter.

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 quantum dot (QD) light source component, a backlight module and a liquid crystal display device are disclosed. The QD light source component includes a bracket, a light source, and a QD unit, the bracket is formed with a groove; the light source is arranged at bottom center of the groove of the bracket for emitting light; the

QD unit is arranged at opening of the groove of the bracket, and includes an upper substrate, a lower substrate and a QD layer; at least one of the upper substrate and lower substrate is provided with a substrate groove, the upper substrate and lower substrate form enclosure space through the substrate groove; the QD layer is located within the substrate groove, and emits light under excitation of light emitted from light source, where the QD layer is thicker at its central position than at its edge position.

Provided is a display panel, including an array substrate, a color filter substrate, and a back light module. The back light module includes a light source, and the light emission spectrum of the light source has a first blue peak and a second blue peak. The color filter substrate is provided with multiple pixel units which are periodically and repeatedly disposed, and at least one pixel unit includes a red sub-pixel, a green sub-pixel, a first blue sub-pixel and a second blue sub-pixel. The first blue sub-pixel and the second blue sub-pixel have different transmittance spectrums; a peak wavelength of a transmittance spectrum of the first blue sub-pixel matches a peak wavelength of the first blue peak of the light source, and a peak wavelength of a transmittance spectrum of the second blue sub-pixel matches a peak wavelength of the second blue peak of the light source.

A light emitting device includes a light emitting element adapted to emit blue light, quantum dots that absorb part of the blue light emitted from the light emitting element to emit green light, and at least one of a KSF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light.

A display device including a light source member including a plurality of light emitting units emitting a first color light, an optical member disposed on an upper side of the light source member, and a liquid crystal display panel disposed on an upper side of the optical member. The optical member includes a base substrate, a color conversion layer disposed on the base substrate and including a quantum dot for converting the first color light into a second color light and a third color light, a filter layer disposed between the base substrate and the color conversion layer and transmitting the first color light and reflecting the second color light and the third color light, and an optical path changing layer disposed on at least one of an upper surface and a lower surface of the filter layer.

A composition including a quantum dot, a dispersing agent for dispersing the quantum dot, a polymerizable monomer including a carbon-carbon double bond, an initiator, a hollow metal oxide particulate, and a solvent, and a quantum dot-polymer composite manufactured from the composition.