G02F1/01791

Color filter including quantum dots and metal nanoparticles and display apparatus including the same

A color filter and a display apparatus employing the color filter are provided. The color filter includes a base substrate and a color photoresist layer disposed on the base substrate. The color photoresist layer includes a photopolymerized photosensitive composition, at least one of a pigment and a dye, and quantum dots.

COLOR FILTERS AND DEVICES INCLUDING THE SAME
20220179139 · 2022-06-09 ·

A color filter including a first pixel (or color conversion region) that is configured to emit a first light and a display device including the color filter. The first pixel includes a (first) quantum dot composite (or a color conversion layer including the quantum dot composite), wherein the quantum dot composite may include a matrix and a plurality of quantum dots dispersed (e.g., randomly) in the matrix, wherein the plurality of the quantum dots exhibit a multi-modal distribution (e.g., a bimodal distribution) including a first peak particle size and a second peak particle size in a size analysis, wherein the second peak particle size is greater than the first peak particle size, and a difference between the first peak particle size and the second peak particle size is less than or equal to about 5 nanometers (nm) (e.g., less than or equal to about 4.5 nm).

COLOR FILTERS AND DEVICES INCLUDING THE SAME
20220179140 · 2022-06-09 ·

A color filter including a first layer including first quantum dots and a second layer including second quantum dots that are different from the first quantum dots, and disposed on the first layer, wherein a quantum yield of the first quantum dots is greater than a quantum yield of the second quantum dots, and wherein an absorption of blue light of the second quantum dots is greater than an absorption of the blue light of the first quantum dots.

Quantum dot complex and display apparatus including the same
11349038 · 2022-05-31 · ·

The display apparatus includes a light source; and a quantum dot complex disposed in front of the light source, and configured to convert a wavelength of light emitted from the light source. The quantum dot complex includes an oxide having dendritic structure; and a quantum dot bonded to the oxide.

VEHICLE QUANTUM DOT DISPLAY SYSTEM AND METHOD

A vehicle display system may include a light guide, a quantum dot film arranged adjacent with the light guide and configured to receive blue light from the light guide and convert the blue light to red and green light, at least one buffer film, and a blue color filter arranged between the quantum dot film and the at least one buffer film, the blue color filter configured to transmit blue light back to the quantum dot film to further convert the red and green light.

Quantum dots and devices including the same

A quantum dot including a core and a shell disposed on the core wherein one of the core and the shell includes a first semiconductor nanocrystal including zinc and sulfur and the other of the core and the shell includes a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, the first semiconductor nanocrystal further includes a metal and a halogen configured to act as a Lewis acid in a halide form, an amount of the metal is greater than or equal to about 10 mole percent (mol %) based on a total number of moles of sulfur, and an amount of the halogen is greater than or equal to about 10 mol % based on a total number of moles of sulfur, a method of producing the same, and a composite and an electronic device including the same.

METHOD OF INTEGRATING FUNCTIONAL TUNING MATERIALS WITH MICRO DEVICES AND STRUCTURES THEREOF
20230269989 · 2023-08-24 · ·

The disclosure is related to creating different functional micro devices by integrating functional tuning materials and creating an encapsulation capsule to protect these materials. Various embodiments of the present disclosure also related to improve light extraction efficiencies of micro devices by mounting micro devices at a proximity of a corner of a pixel active area and arranging QD films with optical layers in a micro device structure.

Display device comprising a reflective sheet having a plurality of light conversion dots disposed around a plurality of first holes

A display apparatus includes a liquid crystal panel; a plurality of light sources configured to emit blue light; a reflective sheet including four edge portions, wherein a plurality of holes are disposed on the reflective sheet, the plurality of holes includes a first hole disposed on each of the four edge portions of the reflective sheet, each of the four edge portions includes an edge of the reflective sheet, the first hole is disposed at a first distance from the edge of the reflective sheet; and a plurality of light conversion dots including eight first light conversion dots disposed around the first hole of the reflective sheet, and wherein a diameter of each of the eight first light conversion dots is equal to or greater than 1.04 mm, and is equal to or less than 1.56 mm, and wherein the plurality of light conversion dots includes at least one of a fluorescent material, a dye, or a pigment.

Electro-optical modulator and methods of formation thereof
11327346 · 2022-05-10 · ·

In one embodiment, an electro-optical modulator includes a waveguide having a first major surface and a second major surface opposite the first major surface. A cavity is disposed in the waveguide. Multiple quantum wells are disposed in the cavity.

Quantum dot film, quantum dot light-emitting assembly and display device

A quantum dot film, a quantum dot light-emitting assembly and a display device are provided. The quantum dot film includes: a quantum dot layer; and a conductive layer arranged on at least a side of the quantum dot layer along a thickness direction, and the conductive layer includes nano-sized metal particles, and at least a portion of the nano-sized metal particles are configured to generate a surface plasmon resonance under electromagnetic radiation. The luminescence efficiency and intensity of the quantum dot layer can be effectively improved by arranging the conductive layer on at least a side of the quantum dot layer.