G02F2202/42

Reducing orders of diffraction patterns

Examples are disclosed relating to reducing orders of diffraction patterns in phase modulating devices. An example phase modulating device includes a phase modulating layer having first and second opposing sides, a common electrode adjacent the first side of the phase modulating layer, a plurality of pixel electrodes adjacent the second side of the phase modulating layer, and blurring material disposed between the phase modulating layer and the pixel electrodes. In the example phase modulating device, the blurring material is configured to smooth phase transitions in the phase modulating layer between localized areas associated with the pixel electrodes, the pixel electrodes have a pixel pitch by which the pixel electrodes are distributed along the phase modulating layer, and the pixel electrodes are separated from one another by an inter-pixel gap, where the ratio of the inter-pixel gap to the pixel pitch is between 0.50 and 1.0.

Liquid crystal display panel and display device

The present invention provides a liquid crystal display panel and a display device. The liquid crystal display panel includes an array substrate, a counter substrate, and a liquid crystal layer. The array substrate includes a first alignment layer and a second alignment layer. The second alignment layer is arranged on one side of the first alignment layer away from the liquid crystal layer. A dielectric constant of the first alignment layer is less than a dielectric constant of liquid crystal molecules, and a dielectric constant of the second alignment layer is greater than the dielectric constant of the liquid crystal molecules. Accordingly, the present invention not only ensures high light transmittance, but also prevents residual images.

Display panel and manufacturing method thereof

A display panel and a manufacturing method are provided. The display panel includes a substrate, multiple active switches disposed on the substrate and a low dielectric constant protective layer. The low dielectric constant protective layer is formed on the numerous active switches. A relative dielectric constant of the low dielectric constant protective layer is smaller than a relative dielectric constant of silicon nitride.

LIQUID-CRYSTAL DISPLAY DEVICE
20190146250 · 2019-05-16 ·

A liquid-crystal display device includes: a substrate on which a plurality of pixels is defined, wherein each of the pixels includes an active area where transmittance of light is controlled; an organic layer disposed on the substrate; and a pixel electrode disposed on the organic layer. The active area comprises a first area, a second area and a third area, the second and third areas are connected to the first area on both sides thereof, respectively, when viewed from a top, and the organic layer is disposed only in the first area.

Sub-volt drive 100 GHz bandwidth electro-optic modulator

Electro-optical modulators and methods of fabrication are disclosed. An electro-optical modulator includes a Mach-Zehnder interferometer containing an intrinsic silicon layer semiconductor layer and a coplanar waveguide. Signals from the coplanar waveguide are capacitively coupled to the Mach-Zehnder interferometer through first and second dielectric layers.

Array substrate and manufacturing method thereof, display panel and display device
10185181 · 2019-01-22 · ·

Embodiments of the invention provide an array substrate. The array substrate comprises a plurality of pixel units. The array substrate comprises a first electrode layer, an insulating layer covering the first electrode layer, and a second electrode layer formed on the insulating layer. The first electrode layer comprises a first electrode arranged in each of the pixel units, the insulating layer comprises an insulating layer unit covering the surface of each of the first electrodes, and the second electrode layer comprises a second electrode arranged on the insulating layer unit. Within each of the pixel units, the insulating layer unit comprises a plurality of insulating regions, and at least one of the insulating regions has a dielectric constant different from dielectric constants of other insulating regions.

Scanning antenna

A scanned antenna (1000) is a scanned antenna including antenna elements (U) arranged together, the scanned antenna including: a TFT substrate (101) including a first dielectric substrate (1), TFTs, gate bus lines, source bus lines, and patch electrodes (15); a slot substrate (201) including a second dielectric substrate (51) a slot electrode (55); a liquid crystal layer (LC) provided between the TFT substrate and the slot substrate; and a reflective conductive plate (65). The slot electrode includes slots (57) arranged so as to correspond to the patch electrodes. As seen from the normal direction to the first dielectric substrate, a plurality of spacer structures (75) provided between the TFT substrate and the slot substrate are arranged so as not to overlap with first regions (Rp1) and/or second regions (Rp2), where the first regions are regions that are within a distance of 0.3 mm from edges of the slots and the second regions are regions that are within a distance of 0.3 mm from edges of the patch electrodes.

ULTRA-FLAT OPTICAL DEVICE WITH HIGH TRANSMISSION EFFICIENCY
20180341124 · 2018-11-29 ·

An optical device includes a nanostructured transparent dielectric film, which is a Huygens metasurface. The Huygens metasurface imparts a phase change to light propagating through or reflecting from the surface. The phase change can be achieved by means of a resonant interaction between light and the Huygens resonators, resulting in a controllable phase change of 0 to 2 with approximately 100% light transmission characterized by a below 0.1 dielectric loss tangent of delta and with the height of the resonators less than the wavelength of light. In one embodiment, the metasurface includes titanium dioxide, but many materials or stacks of different materials may be used. The optical device is functional throughout the visible spectrum between 380 and 700 nm. The nanostructured transparent dielectric film includes a plurality of Huygens resonators. The phase and the amplitude of the nanostructured transparent dielectric film are modulated by arranging the plurality of Huygens resonators such that certain properties, including the radius and height of each Huygens resonator, as well as the gap between two adjacent Huygens resonators, are controlled to optimize the performance of the optical device within the visible spectrum.

Liquid crystal composition and liquid crystal display including the same

A liquid crystal composition and a liquid crystal display, the composition including a liquid crystal compound represented by Chemical Formula 1 below: ##STR00001##

ELECTRONICALLY CONTROLLED DIELECTRIC HUYGENS RESONATOR SPATIAL LIGHT MODULATOR

An electronically controlled dielectric Huygens resonator spatial light modulator is provided. The modulator includes a substrate, a first layer positioned on said substrate, which is transparent at a wavelength, and a second layer that is transparent at the said wavelength; a first semiconductor layer including a charge carrier and a second semiconductor layer including a charge carrier between the first layer and the second layer; and a semiconductor intermediate layer positioned between the first semiconductor layer and the second semiconductor layer. The first layer and the second layer are each equipped with an electronic control circuit to generate electric fields to modulate the charge carriers in the first semiconductor layer and the second semiconductor layer.