G02F2202/36

Refractive index matched resin for electrophoretic displays and other applications

Embossing resins, methods of manufacturing such resins, and electrokinetic display system, which includes display cells containing such resins. The resins include a fluoropolymer in weight percentage 5%-60%, a difunctional diluent in weight percentage 0-30%, a monofunctional diluent in weight percentage 0-40%, a urethane diacrylate or functionalized nanoscale material, e.g., a functionalized urethane material, in weight percentage 5-50%, a photoinitiator in weight percentage 0.5-5%, and a surfactant in weight percentage less than 0.5%. The difunctional diluent may be Hexanediol Diacrylate, and the monofunctional diluent may be a monofunctional hydrocarbon. The resins are made by identifying a target index of refraction for a cured state thereof, and combining together, by weight percentage, the constituent components to produce the liquid state version of the embossing resin having a desired composite index of refraction.

Light emitting device, backlight, and display panel with reflective layer

The present disclosure provides a light emitting device including a substrate, a conductive layer, first and second reflective layers, a light emitting element, and an encapsulation layer. The conductive layer is disposed on the substrate. The first reflective layer covers the conductive layer and has an opening exposing a portion of the conductive layer. The light emitting element is disposed in the opening and electrically connects to the conductive layer. The second reflective layer is disposed on the first reflective layer and surrounds the light emitting element, and the second reflective layer has an outer diameter. The encapsulation layer covers the light emitting element. There is a height between a highest point of the encapsulation layer and an upper surface of the first reflective layer, and the height is 0.1 to 0.5 times the outer diameter. The present disclosure also provides a backlight and a display panel.

ELECTROCHROMIC WIRE THREAD AND RELATIVE FABRICS

The present invention is directed to eyectrochromic, supercapacitor yarns and the related fabrics. An electrochromic yarn formed by two interwind threads has been invented. The yarn is electrically isolated by a transparent, uncolored polymer. Each thread is the superposition of three concentric layers. The most internal one, the core, has the function of support and/or conductive layer, the second one is the eiectrochromic layer containing conductive nanoparticies, the third layer is a polymer dielectric blend. The yarns described above allows to generate electrochromic fabrics in which the colour can be varied by the application of small electric voltages fed by a battery with variable power supply controlled by a microprocessor connected to a smartphone via Bluetooth technology. A specific application on the smartphone allows to change the voltage supply to the fabrics, in order to get the desired chromatic change.

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

A display apparatus includes a liquid crystal panel; light sources configured to emit blue light; a reflective sheet including four edge portions and a first hole and a second hole on each of the four edge portions of the reflective sheet, the first hole disposed at a first distance from an edge of the reflective sheet, and the second hole disposed at a second distance from the edge of the reflective sheet, wherein the second distance is greater than the first distance; and first and second light conversion dots, wherein the first light conversion dots are disposed around the first hole of the reflective sheet, and the second light conversion dots are disposed around the second hole of the reflective sheet, wherein a size of each of the first light conversion dots is greater than a size of each of the second light conversion dots.

ELECTRONIC ELEMENT AND DISPLAY

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

TEMPERATURE RESPONSIVE OPTICAL LIMITER, COMPOSITION AND DEVICE

The present invention relates to optical power-limiting devices, and more particularly, to an optical power-limiting passive (self-adaptive) device and to a method for limiting solar power transmission in devices such as windows, using scattering level changes in a novel thermotropic composition that contains salt nano or microparticles embedded in a solid transparent host layer, where temperature change induces change in the refraction index of the matrix as well as of the embedded particles, creating a scattering layer, substantially reflecting the incident light thus limiting the amount of light passing through the window, green house covers, car sun roofs, solar panel windows and protection layers on housing roofs and walls, as a function of ambient temperature.

COLOR-CONVERSION PANEL, METHOD OF MANUFACTURING THE PANEL, AND DISPLAY DEVICE INCLUDING THE PANEL
20180006093 · 2018-01-04 ·

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.

OPTICAL FILTER AND MANUFACTURING METHOD THEREFOR, DISPLAY SUBSTRATE, AND DISPLAY APPARATUS
20180011231 · 2018-01-11 ·

An optical filter and manufacturing method therefor, a display substrate, and a display apparatus. The optical filter includes: a base substrate; an ordered porous film disposed on the base substrate, wherein the ordered porous film is formed with channels each of which having an extension direction at least at an angle to the base substrate and having an opening at a surface of the ordered porous film; and a plurality of quantum dots respectively disposed in at least part of the channels. The optical filter, the display substrate having the optical filter and the display apparatus can significantly improve the display colour gamut of the display apparatus.

Manufacturing Method for COA Substrate
20180011364 · 2018-01-11 ·

The disclosure provides a manufacturing method for COA substrate: utilizing PEDOT, PProDOT or PEDOT derivatives with or without doping with graphene, or PProDOT derivatives replaces traditional ITO to be conductive materials of pixel electrodes; quantum dots can be modified by ProDOT derivatives or EDOT derivatives which including carboxyl group, and quantum dot color filters of red filter layers, green filter layer and blue filters layers comprised on the TFT substrate are formed by the method of electric chemical deposition based on a property of the aforementioned two being able to polymerize under influences of electric field and pixel electrode patterns on the TFT substrate. Therefore, zero waste can be achieved in quantum dots, a usage of quantum dots can be decreased, indium usage can be decreased, researching and development cost can be reduced, and the circumstances can be protected, furthermore, the QDs color film having the better bonding strength bonds the counter electrode layer through chemical bond, and avoids adverse results as a peel is caused by insufficient bonding strength between photoresist and substrate.

POLARIZER, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE
20180011372 · 2018-01-11 ·

A polarizer, a manufacturing method thereof and a display device are provided. The polarizer, including: a base substrate and a quantum rod layer disposed on a side of the base substrate, wherein the quantum rod layer includes a plurality of quantum rods arranged in a same direction. The polarizer can improve the utilization rate of light, and improve the brightness of the display panel, and hence achieve image display with high brightness and high color gamut.