A liquid crystal antenna and a manufacturing method thereof are disclosed. The liquid crystal antenna includes: an antenna array including a first substrate and a second substrate arranged opposite to each other and configured to change a phase of an electromagnetic wave signal fed into the liquid crystal antenna to transmit or receive a beam in a preset direction; and an inertial navigation element configured to determine a motion parameter of the liquid crystal antenna in a navigation coordinate system, the inertial navigation element is disposed on a side of the second substrate facing the first substrate; and the antenna array adjusts the preset direction according to the motion parameter acquired by the inertial navigation element.

The present invention provides a measuring apparatus for measuring a shape of an object to be measured, comprising an emitting unit configured to emit pattern light, an optical system configured to guide the pattern light emitted from the emitting unit to the object, a deflection unit arranged between the optical system and the object and configured to deflect the pattern light emitted from the optical system, an image sensing unit configured to capture the object via the optical system and the deflection unit, and a processing unit configured to determine the shape of the object based on an image of the object captured by the image sensing unit, wherein the deflection unit comprises a diffraction grating configured to diffract the pattern light emitted from the optical system.

A terminal capable of detecting rays, an enclosure, and a method for fabricating terminal are provided. The terminal comprises a terminal body and a ray detector in communication with the terminal body. The terminal body comprises a display panel. The ray detector detects rays around the terminal, and transmits the detected signal to the terminal body. The terminal body analyzes the detected signal and transmits the detected signal to the display panel for displaying. In the present disclosure, the detector and the display panel are formed at the same time, and the detector is integrated in a same display panel, so that the process is simplified. The terminal stores and analyzes the data about the collected ionizing radiation dose. As a result, the radiation dose can be read in real time, and an alert can be issued instantaneously to reduce unnecessary damage.

A projector assembly having a projecting device and a display screen with a film. The display screen is changeable from between opaque and transparent and the projecting device selectively rear projects an image onto the film such that the image is visible to a user generally from the front side of the screen. When the projector is off or the projection of images is otherwise stopped under predetermined conditions, the screen becomes transparent to provide the user a clear view through the display screen. When the projector is off power is simultaneously applied to the film which becomes transparent. A control device coordinates the application of power with the image projection, such that when the projected image is removed the screen becomes clear to see through the display screen, and when the projected image returns the screen becomes opaque for viewing the image.

A fluid detection panel and a fluid detection device are disclosed. The fluid detection panel includes a fluid-driven substrate, a filter structure and a sensor. The filter structure is configured to filter light emitted by a light source; the fluid-driven substrate comprises a detection area, and is configured to enable a liquid sample to move to the detection area; the sensor is configured to receive light which is emitted by the light source and sequentially passes the filter structure and the detection area.

A display apparatus switching between a two-dimensional (2D) display mode and a three-dimensional (3D) display mode is provided. The display apparatus includes: an imaging device configured to capture an image a pair of 3D glasses worn by a user to view an image displayed in the 3D display mode, wherein the 3D glasses are switchable between a plurality of different states; a transmitter/emitter module configured to remotely control the 3D glasses so as to switch the states of the 3D glasses; and a controller configured to determine whether the user is wearing the 3D glasses based on a state of the 3D glasses in the image captured by the imaging device, and to control the display apparatus to operate in the 3D display mode when it is determined that the user is wearing the 3D glasses.

A light source configured to provide output light having a bifurcated emission pattern includes an optical emitter configured to emit light and a emission control layer. The emission control layer includes a first plurality of light-blocking elements spaced apart from one another in a vertical direction at an output aperture of the light source and a second plurality of light-blocking elements displaced from the output aperture and interleaved with the first plurality. The emission control layer is configured to transmit a portion of the emitted light through gaps between the light-blocking elements to provide the output light having the bifurcated emission pattern in the vertical direction. A multiview backlight includes the light source along with a light guide and an array of multibeam elements to provide a plurality of directional light beams using the output light having the bifurcated emission pattern.

For comfortable viewing of a 3-D scene at various viewing angles, a display having a large tracking range for a variable viewer distance is required. A controllable light-influencing element deflects light in coarse steps in a viewer range. Within said steps, the light is deflected by a further controllable light-influencing element continuously or with fine gradation. The light modulation device is suitable in holographic or autostereoscopic displays for guiding the visibility ranges of the image information to be displayed so as to follow the eyes of the viewers.

An eye tracking and gaze fixation detection system, includes an electronically scannable optical illumination system emits polarized near-infrared (NIR) light to a retina in an eye of a subject; an optical detection system arranged in an optical path of the NIR light after being reflected from the retina of the eye of the subject, the optical detection system providing a detection signal; and a signal processing system communicates with the optical detection system to receive the detection signal, wherein the optical illumination system emits the polarized NIR light to illuminate at least a portion of a scanning path, wherein the scanning path is a spatially closed loop across a portion of the retina in the eye of the subject that repeats periodically over time, and wherein the signal processing system is configured to determine at least one of a gaze direction and a gaze fixation based on the detection signal.

An illumination unit includes a light modulation layer including a first region and a second region that have optical anisotropy and different responsiveness to an electric field. The light modulation layer satisfies an expression A/B<A1/B1 when the light modulation layer exhibits the scattering characteristics.