Abstract: A mobile terminal switching antenna and a switching method thereof include an antenna, RF module, baseband chip, voltage dividing module, noise barrier module, DC blocking module, unidirectional conduction module, and antenna matching module. The baseband chip is coupled to the antenna via the RF module. The baseband chip is coupled to the antenna sequentially via the voltage dividing module, noise barrier module, and DC blocking module. The baseband chip is grounded sequentially via the voltage dividing module, noise barrier module, unidirectional conduction module, and antenna matching module. By the baseband chip not emitting or emitting the control signal to the antenna, the switching of the operative states of the antenna is thus realized, and the range of the frequency bands which can be received by the antenna is changed correspondingly, thereby greatly enhancing the receiving and transmitting performances and providing convenience to users.

Abstract: The present invention relates to a method and a device for determining regions to be detected on a display motherboard. The method comprises acquiring a first image, acquiring detection parameters of the regions to be detected, acquiring second images which have a resolution higher than that of the first image, and correcting obtained detection parameters based on the second images. Compared with the prior art, the present invention can improve accuracy and efficiency of detection of a display motherboard.

Abstract: The present disclosure provides a method for group number-based microblog aggregation and a system for group number-based microblog aggregation, which are used for realizing microblog aggregation display for group numbers. In the present disclosure, the binding relationship between a group number and microblog accounts is established, a large number of microblog accounts are bound by one group number, so that a client can initiate a microblog aggregation request based on the group number, and microblog messages issued by a large number of bound microblog accounts can be obtained by only transmitting one group number in an inquiry interface. According to the present disclosure, group users can learn the microblog dynamic states of other group users in real time conveniently, group functions are expanded, and time and network traffic of the users are saved.

Abstract: Aspects of the present invention are directed to flat sub-wavelength dielectric gratings that can be configured to operate as mirrors and other optical devices. In one aspect, a grating layer (102) has a planar geometry and is configured with lines (206,207). The lines widths, line thicknesses and line period spacings (208) are selected to control phase changes in different portions of a beam of light reflected from the grating such that the phase changes collectively produce a desired wavefront shape in the beam of light reflected from the grating.

Abstract: A sub-wavelength grating device having controlled phase response includes a grating layer having line widths, line thicknesses, line periods, and line spacings selected to produce a first level of control in phase changes of different portions of a beam of light reflected from the grating layer. The device also includes a substrate affixed to the grating layer that produces a second level of control in phase changes of different portions of a beam of light reflected from the grating layer, the second level of control being accomplished abrupt stepping of the substrate in a horizontal dimension, ramping the substrate in a horizontal dimension, or changing the index of refraction in a horizontal dimension.

Abstract: Embodiments of the present invention relate to planar optical devices composed of one or more sub-wavelength diffraction grating layers. In one embodiment, an optical device includes a first substantially planar reflective structure (104,1904), a second substantially planar reflective structure (106,1906), and a substantially planar sub-wavelength grating layer (102,1902) disposed between the first reflective structure and the second reflective structure. The grating layer is configured with lines (208-211,214-217) having line widths, line thicknesses, and line period spacing selected to control phase changes in different portions of a beam of light transmitted through the optical device.

Abstract: A negative index material (or metamaterial) crossbar includes a first layer of approximately parallel nanowires and a second layer of approximately parallel nanowires that overlay the nanowires in the first layer. The nanowires in the first layer are approximately perpendicular in orientation to the nanowires in the second layer. Each nanowire of the first layer and each nanowire of the second layer has substantially regularly spaced fingers. The crossbar further includes resonant elements at nanowire intersections between the respective layers. Each resonant element includes two fingers of a nanowire in the first layer and two fingers of a nanowire in the second layer.

Abstract: Planar, polarization insensitive, optical elements to control refraction of transmitted light in free space are disclosed. In one aspect, an optical element includes a substrate having a planar surface, and a polarization insensitive, high contrast, sub-wavelength grating composed of posts that extend from the planar surface. The grating has at least one region. Within each region, cross-sectional dimensions of the posts and/or lattice arrangement of the posts are nonperiodically varied to control refraction of light transmitted through the optical element.

Abstract: Various embodiments of the present invention are directed to display systems for viewing three-dimensional images. In one aspect, a viewing system that enables a viewer to perceive depth in a three-dimensional image includes a right-eye ocular system positioned in the line of sight of the viewer's right eye, and a left-eye ocular system positioned in the line of sight of the viewer's left eye. The right-eye ocular system and the left-eye ocular system are configured to display corresponding stereo right-eye and left-eye image pairs of the three-dimensional image at various distances from the viewer's eyes.

Abstract: Various embodiments of the present invention are directed to optical devices comprising planar lenses. In one aspect, an optical device includes two or more planar lenses, and one or more dielectric layers. Each planar lens includes a non-periodic, sub-wavelength grating layer, and each dielectric layer is disposed adjacent to at least one planar lens to form a solid structure. The two or more planar lenses are substantially parallel and arranged to have a common optical axis so that light transmitted through the optical device substantially parallel to the optical axis is refracted by the two or more planar lenses.

Abstract: An analyzer is disclosed herein. The analyzer encompasses a substrate having a surface with a plurality of distinct V-grooves formed therein. An input flow channel is configured to intersect and fluidly communicate with each of the plurality of distinct V-grooves at respective input points, and an output flow channel is configured to intersect and fluidly communicate with each of the plurality of distinct V-grooves at respective output points.

Abstract: The present disclosure relates to a system for displaying micro-blog messages, which includes: when the users look up the list roster, the micro-blog terminal sends an obtaining request to the micro-blog server, receives and display the list roster fed back by the micro-blog server; when any one of the micro-blog list is selected from the list roster, the micro-blog terminal writes a name of the chosen micro-blog list into a new displaying page, and sending a message list request to the micro-blog server; the micro-blog terminal receives the message list of the chosen micro-blog list that is fed back from the micro-blog server, and displaying the message list of the chosen micro-blog list on the new message displaying page. It is disclosed a micro-blog terminal, server thereof.

Abstract: Various embodiments of the present invention are directed to optical devices comprising planar lenses. In one aspect, an optical device includes two or more planar lenses (208,209), and one or more dielectric layers (210-212). Each planar lens includes a non-periodic, sub-wavelength grating layer (1110), and each dielectric layer is disposed adjacent to at least one planar lens to form a solid structure. The two or more planar lenses are substantially parallel and arranged to have a common optical axis (214) so that light transmitted through the optical device substantially parallel to the optical axis is refracted by the two or more planar lenses.

Abstract: The disclosure relates to a method for displaying micro-blog messages, which includes: when the users look up the list roster, the micro-blog terminal sends an obtaining request to the micro-blog server, receives and display the list roster fed back by the micro-blog server; when any one of the micro-blog list is selected from the list roster, the micro-blog terminal writes a name of the chosen micro-blog list into a new displaying page, and sending a message list request to the micro-blog server; the micro-blog terminal receives the message list of the chosen micro-blog list that is fed back from the micro-blog server, and displaying the message list of the chosen micro-blog list on the new message displaying page. It is disclosed a system for displaying micro-blog messages, a micro-blog terminal, server, and storage medium thereof.

Abstract: An apparatus for dynamically varying an optical characteristic of a light beam includes an optical element configured to receive a beam of light. The optical element includes at least one sub-wavelength grating formed of a plurality of lines. The apparatus includes at least one actuator connected to at least one component of the optical element and a controller for controlling the at least one actuator to dynamically vary a characteristic of the beam of light that is at least one of emitted through and reflected from the optical element.

Abstract: Various embodiments of the present invention are directed to negative refractive index-based holograms that can be electronically controlled and dynamically reconfigured to generate one or more color three-dimensional holographic images. In one aspect, a hologram comprises a phase-control layer having a plurality of phase modulation elements. The phase-modulation elements are configured with a negative effective refractive index and selectively transmit wavelengths associated with one of three primary color wavelength. The hologram also includes an intensity-control layer including a plurality of intensity-control elements. One or more color three-dimensional images can be produced by electronically addressing the phase-modulation elements and intensity-control elements in order to phase shift and control the intensity of light transmitted through the hologram. A method for generating a color holographic image using the hologram is also provided, as is a system for generating a color holographic image.

Abstract: The present disclosure provides a method for group number-based microblog aggregation and a system for group number-based microblog aggregation, which are used for realizing microblog aggregation display for group numbers. In the present disclosure, the binding relationship between a group number and microblog accounts is established, a large number of microblog accounts are bound by one group number, so that a client can initiate a microblog aggregation request based on the group number, and microblog messages issued by a large number of bound microblog accounts can be obtained by only transmitting one group number in an inquiry interface. According to the present disclosure, group users can learn the microblog dynamic states of other group users in real time conveniently, group functions are expanded, and time and network traffic of the users are saved.

Abstract: Embodiments of the present invention are directed to nanowire-based systems for performing surface-enhanced Raman spectroscopy. In one embodiment, a system comprises a substrate having a surface and a plurality of tapered nanowires disposed on the surface. Each nanowire has a tapered end directed away from the surface. The system also includes a plurality of nanoparticles disposed near the tapered end of each nanowire. When each nanowire is illuminated with light of a pump wavelength, Raman excitation light is emitted from the tapered end of the nanowire to interact with the nanoparticles and produce enhanced Raman scattered light from molecules located in close proximity to the nanoparticles.

Abstract: The disclosure relates to a method for displaying micro-blog messages, which includes: when the users look up the list roster, the micro-blog terminal sends an obtaining request to the micro-blog server, receives and display the list roster fed back by the micro-blog server; when any one of the micro-blog list is selected from the list roster, the micro-blog terminal writes a name of the chosen micro-blog list into a new displaying page, and sending a message list request to the micro-blog server; the micro-blog terminal receives the message list of the chosen micro-blog list that is fed back from the micro-blog server, and displaying the message list of the chosen micro-blog list on the new message displaying page. It is disclosed a system for displaying micro-blog messages, a micro-blog terminal, server, and storage medium thereof.

Abstract: A waveguide intersection includes an input waveguide and an output waveguide; a crossing waveguide intersecting the input waveguide and the output waveguide to form an intersection; and a block that is optically joined to the intersection such that a guided mode is produced within the intersection. A method of reducing optical losses within a waveguide intersection includes increasing a cross-sectional height of an intersection such that optical energy passing through the intersection is laterally confined.