A display panel and a manufacturing method of a display panel are provided. The display panel includes: a first substrate; a second substrate disposed in parallel and opposite to the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; a switch assembly formed on the first substrate; a color filter layer formed on the second substrate; a planarization layer disposed on the color filter layer. The planarization layer contains a material of quantum dots.

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

An electro-optic modulator includes a doped semiconductor crystal having a crystallographic surface having an amplitude modulation orientation, a first metal electrode located on a first surface of the doped semiconductor crystal, a second metal electrode located on a second surface of the doped semiconductor crystal, and accumulation space charge regions located within surface regions of the doped semiconductor crystal that are proximal to the first metal electrode and the second metal electrode and including excess charge carriers of a same type as majority charge carriers of the doped semiconductor crystal.

Embodiments relate to a quantum rod composition, a quantum rod film, a display device with a quantum rod film, and a method of forming a quantum rod film. The quantum rod film includes a plurality of quantum rods and a polymer with a dipole side chain. Responsive to an external electric field, the major axis of the quantum rods and an axis of the dipole side chain arranges in the same direction. The display device includes a plurality of pixel and common electrodes for generating an electric field, and a backlight unit positioned under a first substrate. Responsive to receiving light from the backlight unit, the quantum rod film emits light polarized in a direction parallel to the major axis of the quantum rods.

The present disclosure relates to a display device includes a display panel and a backlight source. The display panel includes a top substrate and a down substrate opposite to the top substrate. The top substrate includes a reflective filter layer and a colorful luminous layer. The colorful luminous layer respectively emit red, green, and blue light beams emitting out from the reflective filter layer. The reflective filter layer reflects a portion of the light beams from the backlight source to the reflective filter layer into the colorful luminous layer to further activate the colorful luminous layer to emit the light beams to enhance an optical performance. In this way, the content of the QDs of the colorful luminous layer can be reduced without affecting the luminous effect such that the concentration of the cadmium element may comply to the requirement of the ROHS standard

Embodiments relate to a quantum rod, a quantum rod film, a quantum rod display device with a quantum rod. The quantum rod includes a first core, a second core separated from the first core, and a first shell surrounding the first and second cores.

A method is described for preparing a nanorods assembly. The method comprises providing a mixture comprising at least a liquid crystal and nanorods and depositing said mixture on the surface of at least substrate. The method further comprises aligning said nanorods with their long axis of the nanorods along a preferred direction on said substrate resulting in a nanorods and liquid crystal assembly, said aligning being performed by applying an external alternating current electrical field.

A backlight unit for a liquid crystal display device, the backlight unit including: an light emitting diode (LED) light source; a light conversion layer disposed separate from the LED light source to convert light emitted from the LED light source to white light and to provide the white light to the liquid crystal panel; and a light guide panel disposed between the LED light source and the light conversion layer, wherein the light conversion layer includes a semiconductor nanocrystal and a polymer matrix, and wherein the polymer matrix includes a first polymerized polymer of a first monomer including at least to two thiol (SH) groups, each located at a terminal end of the first monomer, and a second monomer including at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer.

A wavelength conversion module includes a substrate, a barrier wall structural layer, a plurality of wavelength conversion layers and a plurality of quantum dot particles. The substrate has a surface. The barrier wall structural layer is disposed on the surface and defines a plurality of recesses. Each of the wavelength conversion layers is located in one of the recesses. The quantum dot particles are disposed in the wavelength conversion layers. A backlight module having the wavelength conversion module and a manufacturing method of the wavelength conversion module are also provided.

Liquid ink compositions containing quantum dots for optoelectronic display applications are provided. Also provided are solid films formed by drying the ink compositions, optical elements incorporating the solid films, display devices incorporating the optical elements, and methods of forming the solid films, optical elements, and the devices. Liquid ink compositions and solid films made by drying the liquid ink compositions include one or more blue light-absorbing materials in combination with red light-emitting QDs or green light-emitting QDs.