In a display method or device according to one embodiment of the present invention, at least two of a photonic crystal reflection mode, a unique color reflection mode and a transmittance tuning mode may be implemented to be switched to each other within the same unit pixel. In addition, a machine readable storage medium recording a computer program performing the display method is provided.

In a display method or device according to one embodiment of the present invention, at least two of a photonic crystal reflection mode, a unique color reflection mode and a transmittance tuning mode may be implemented to be switched to each other within the same unit pixel. In addition, a machine readable storage medium recording a computer program performing the display method is provided.

An active-control optical resonator includes an oxide layer; a ring resonator arranged in a loop and positioned on the oxide layer; a tangential optical waveguide optically coupled to the ring resonator; a translatable body configured to selectively move into an evanescent field region of the ring resonator; a first electrode positioned on the translatable body, the first electrode comprising indium tin oxide; and a second electrode positioned between the oxide layer and the ring resonator.

Example systems and methods to transform events and/or mood associated with playing media into lighting effects are disclosed herein. An example apparatus includes a content identifier to identify content presented via a media presentation device based on a fingerprint associated with the content and derive metadata from the identified content. The example apparatus includes a content driven analyzer to determine a light effect to be produced by a light-generating device based on the metadata, generate an instruction for the light-generating device to produce the light effect, and transmit the instruction to the light-generating device during presentation of the content.

Example systems and methods to transform events and/or mood associated with playing media into lighting effects are disclosed herein. An example apparatus includes a content identifier to identify content presented via a media presentation device based on a fingerprint associated with the content and derive metadata from the identified content. The example apparatus includes a content driven analyzer to determine a light effect to be produced by a light-generating device based on the metadata, generate an instruction for the light-generating device to produce the light effect, and transmit the instruction to the light-generating device during presentation of the content.

A switchable reflective colour filter is provided for use in a display device. The switchable reflective colour filter includes a plurality of sub-pixel regions of at least two colour types, each including a layer of phase change material which is switchable between a first state and a second state, the first and second states being two solid but structurally distinct states having different optical properties. Each sub-pixel region further includes two electrode layers, a mirror layer, and a spacer layer or air gap. The phase change material layer in each sub-pixel region is positioned between the two electrode layers, and separated from the mirror layer by the spacer layer or air gap. The switchable reflective colour filter may be incorporated into a display device including a pixelated switchable absorber. A luminance of coloured light reflected from any of the sub-pixel regions is controllably attenuated

A switchable reflective colour filter is provided for use in a display device. The switchable reflective colour filter includes a plurality of sub-pixel regions of at least two colour types, each including a layer of phase change material which is switchable between a first state and a second state, the first and second states being two solid but structurally distinct states having different optical properties. Each sub-pixel region further includes two electrode layers, a mirror layer, and a spacer layer or air gap. The phase change material layer in each sub-pixel region is positioned between the two electrode layers, and separated from the mirror layer by the spacer layer or air gap. The switchable reflective colour filter may be incorporated into a display device including a pixelated switchable absorber. A luminance of coloured light reflected from any of the sub-pixel regions is controllably attenuated

A mechanical chameleon through dynamic real-time plasmonic tuning, the external surface of which is covered by plasmonic cells is provided. Plasmonic cells, based on the combination of bimetallic nanodot arrays and electrochemical bias, use the electrochemical method elctrodepositing and stripping Ag shells on plasmonic Au nanodomes and then we achieve the reversible full colour plasmonic cells/display. Plasmonic cells, under the control of circuits and sensors, make mechanical chameleon automatically change the color of its own when it's walking to the corresponding background color and always keeping the same color with the color background. This mechanical chameleon through dynamic real-time plasmonic tuning can capture and simulate the entire colour-patterns of the environment and then drive the colour-changing process in individual cells, fully merging the mechanical chameleon into the surroundings, which makes this technology is readily approachable.

A mechanical chameleon through dynamic real-time plasmonic tuning, the external surface of which is covered by plasmonic cells is provided. Plasmonic cells, based on the combination of bimetallic nanodot arrays and electrochemical bias, use the electrochemical method elctrodepositing and stripping Ag shells on plasmonic Au nanodomes and then we achieve the reversible full colour plasmonic cells/display. Plasmonic cells, under the control of circuits and sensors, make mechanical chameleon automatically change the color of its own when it's walking to the corresponding background color and always keeping the same color with the color background. This mechanical chameleon through dynamic real-time plasmonic tuning can capture and simulate the entire colour-patterns of the environment and then drive the colour-changing process in individual cells, fully merging the mechanical chameleon into the surroundings, which makes this technology is readily approachable.

The invention provides methods of forming an optical device, in particular, a silicon optical modulator using shallow rib waveguide structure. According to the embodiments of the present invention, the silicon optical waveguide modulator includes a shallow rib waveguide with asymmetric shoulder heights disposed on a surface of a substrate; one side terminated by the waveguide edge and the other side terminated by a second laterally oriented PN junction, a first vertically oriented PN junction is positioned inside the light propagation region of the waveguide; and higher doping regions with the same type of doping type of the adjoining regions are positioned on the asymmetric shoulders outside the light propagation regions in electrical contact with metal contacts.