Abstract: An augmented reality display device is used to provide an augmented reality image to one eye of a user. The augmented reality display device includes a curved eyepiece, multiple first micromirrors and two first displays. These first micromirrors are disposed on the curved eyepiece. The two first displays are respectively disposed on two opposite sides of the curved eyepiece. Each first display is for emitting a first image beam. These first micromirrors are for imaging two first image beams emitted by the two first displays onto a retina of the eye to form the augmented reality image. Among them, the horizontal field of view formed by these first micromirrors to the eyes falls within the range of 80 degrees to 110 degrees.

Abstract: A three-dimensional gesture detection device and a three-dimensional gesture detection method are provided. The three-dimensional gesture detection device includes a node detection unit, a gesture recognition model and a gesture trajectory detection unit. The node detection unit obtains several nodes according to each of the hand frames of a continuous hand image. The gesture recognition model obtains confidence levels of several gesture categories. The gesture trajectory detection unit includes a weight analyzer, a gesture analyzer, a key point classifier and a trajectory analyzer. The weight analyzer obtains weights of the gesture categories through a user interface. The gesture analyzer performs a weighting calculation on the confidence levels of the gesture categories to analyze a gesture on each of the hand frames. The key point classifier classifies several key points from the nodes. The trajectory analyzer obtains an inertial trajectory of the gesture according to the key points.

Abstract: A head mounted display including two display units is provided. An included angle between the two display units is greater than 0 degrees and less than 180 degrees. Each of the two display units includes a display device, a condenser lens and a prism. The condenser lens overlaps the display device. The prism overlaps the condenser lens and the display device. A material of one of the condenser lens and the prism includes flint glass, and a material of the other of the condenser lens and the prism includes crown glass.

Abstract: A method for adjusting application settings is provided. The method includes using an application setting module to receive at least one performance target from an application running on an electronic device. The method further includes using the application setting module to record at least one performance indicator of the application while the application is running, wherein the performance indicator corresponds to the performance target. The method further includes using the application setting module to estimate the estimated time that the temperature of the electronic device sustains less than the defense temperature. The method further includes using the application setting module to determine the score according to the performance indicator and the estimated time, wherein the score indicates to the application that it should raise, lower, or keep a current setting.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion for holding an optical element, a fixed portion, a driving assembly used for driving the movable portion to move relative to the fixed portion, and an adhesive element. The movable portion is movable relative to the fixed portion, and the fixed portion includes a case and a bottom affixed on the case. The case has a top wall and a side wall. The top wall is plate-shaped and is perpendicular to a main axis, and the side wall is not parallel to the top wall. An accommodating space for accommodating the movable portion is formed between the case and the bottom. The adhesive element is in direct contact with the bottom, the case, and the driving assembly.

Abstract: An augmented reality display device including a virtual image display and a controller is provided. The virtual image display is configured to provide a left eye virtual image and a right eye virtual image to a left eye and a right eye of a user, respectively. The controller is electrically connected to the virtual image display, and is configured to command the virtual image display to display a left eye virtual mark and a right eye virtual mark, corresponding to a real mark in space, in the left eye virtual image and the right eye virtual image, respectively, and calculate an interpupillary distance between the left eye and the right eye according to a deviation of the left eye virtual mark with respect to the real mark and a deviation of the right eye virtual mark with respect to the real mark.

Abstract: The disclosure provides an augmented reality (AR) device, a notebook, and smart glasses. The AR device includes a laser source, a spatial light modulator (SLM), and a hologram optical element (HOE). The laser source provides a coherent laser ray. The SLM provides a diffraction pattern solely corresponding to the coherent laser ray. When the SLM receives the coherent laser ray, the diffraction pattern diffracts the coherent laser ray as a hologram in response to the coherent laser ray. The HOE provides a concave mirror effect merely in response to a wavelength of the coherent laser ray, wherein the HOE receives the hologram and magnifies the hologram as a stereoscopic virtual image.

Abstract: The disclosure provides an eye tracking method and an eye tracking device. The method includes obtaining a reference interpupillary distance value; taking images of a user of a 3D display, and finding a first eye pixel coordinate corresponding to a first eye of the user and a second eye pixel coordinate corresponding to a second eye of the user in each image; detecting a first and a second eye spatial coordinates of the first and the second eyes, and determining projection coordinates based on the first eye spatial coordinate, the second eye spatial coordinate, and optical parameters of image capturing elements; determining an optimization condition related to the first and second eye spatial coordinates based on the first and second eye pixel coordinates, the projection coordinates, and the reference interpupillary distance value of each image; and optimizing the first and second eye spatial coordinates based on the optimization condition.

Abstract: A method of forming a semiconductor structure includes following steps. A substrate is provided. The substrate has an active region, an isolation structure adjacent to the active region, and a contact on the active region. A dielectric stack is formed on the substrate. A poly layer is formed on the dielectric stack. The poly layer and the dielectric stack are etched to form an opening to expose the contact of the substrate. A conductive film is formed in the opening and an ALD oxide layer is deposited on a sidewall of the opening. In addition, a semiconductor structure is also disclosed herein.

Abstract: The disclosure provides a feature point position detection method and an electronic device. The method includes: obtaining a plurality of first relative positions of a plurality of feature points on a specific object relative to a first image capturing element; obtaining a plurality of second relative positions of the plurality of feature points on the specific object relative to a second image capturing element; and in response to determining that the first image capturing element is unreliable, estimating a current three-dimensional position of each feature point based on a historical three-dimensional position and the plurality of second relative positions of each feature point.

Abstract: A virtual reality positioning device including a casing, a plurality of lenses, and a plurality of optical positioning components is provided. The casing has a plurality of holes. The lenses are installed in the holes, respectively, where a field angle of each of the lenses is greater than or equal to 120 degrees and less than or equal to 160 degrees, and the lenses include convex lenses or Fresnel lenses. The optical positioning components are installed in the casing and aligned to the lenses, respectively. In addition, a virtual reality positioning system and manufacturing method of a virtual reality positioning device are provided.

Abstract: A method of forming a semiconductor structure includes following steps. A substrate is provided. The substrate has an active region, an isolation structure adjacent to the active region, and a contact on the active region. A dielectric stack is formed on the substrate. A poly layer is formed on the dielectric stack. The poly layer and the dielectric stack are etched to form an opening to expose the contact of the substrate. A conductive film is formed in the opening and an ALD oxide layer is deposited on a sidewall of the opening. In addition, a semiconductor structure is also disclosed herein.

Abstract: A method of forming a semiconductor structure includes following steps. A substrate is provided. The substrate has an active region, an isolation structure adjacent to the active region, and a contact on the active region. A dielectric stack is formed on the substrate. A poly layer is formed on the dielectric stack. The poly layer and the dielectric stack are etched to form an opening to expose the contact of the substrate. A conductive film is formed in the opening and an ALD oxide layer is deposited on a sidewall of the opening. In addition, a semiconductor structure is also disclosed herein.

Abstract: A mobile device includes a ground element, a first radiation element, a second radiation element, and a dielectric substrate. The first radiation element has a feeding point. The first radiation element includes a meandering portion. The second radiation element is coupled to the feeding point, and is at least partially surrounded by the first radiation element. A coupling gap is formed between the first radiation element and the second radiation element. The ground element, the first radiation element, and the second radiation element are all disposed on the dielectric substrate. A planar antenna structure is formed by the first radiation element and the second radiation element. The planar antenna structure covers a TETRA (Terrestrial Trunked Radio) frequency band and a GPS (Global Positioning System) frequency band.

Abstract: Augmented reality glasses including a first image source, a second image source and a lens set are provided. The first image source emits a first image beam. The second image source emits a second image beam. The lens set includes a first lens and a second lens and disposed on the path of the image beams. A gap is disposed between the first lens and the second lens. The refractive index of the gap is lower than that of the first lens. The image beams enter the lens set at an incident surface of the lens set, are reflected at a first surface of the first lens, and exit the lens set at an exit surface. The optical path length of the first image beam from the first image source to the eyes is different from that of the second image beam from the second image source to the eyes.

Abstract: An augmented reality display device, which is configured to provide an augmented reality image to an eye of a user, includes a display module and multiple mirror sets. The display module includes a projector and multiple switching elements. The projector provides an original image beam. The switching elements are deposed sequentially on a path of the original image beam. Each of the switching elements reflects or transmits the original image beam. Reflection paths of each ray of the original image beam on the switching elements intersect at one point to generate multiple image beams. The mirror sets are disposed on paths of the image beams. The image beams are reflected at different angles on the mirror sets, and the mirror sets reflect the image beams to the eye.

Abstract: A mobile device includes a ground element, a first radiation element, a second radiation element, and a dielectric substrate. The first radiation element has a feeding point. The first radiation element includes a meandering portion. The second radiation element is coupled to the feeding point, and is at least partially surrounded by the first radiation element. A coupling gap is formed between the first radiation element and the second radiation element. The ground element, the first radiation element, and the second radiation element are all disposed on the dielectric substrate. A planar antenna structure is formed by the first radiation element and the second radiation element. The planar antenna structure covers a TETRA (Terrestrial Trunked Radio) frequency band and a GPS (Global Positioning System) frequency band.

Abstract: The disclosure provides a feature point position detection method and an electronic device. The method includes: obtaining a plurality of first relative positions of a plurality of feature points on a specific object relative to a first image capturing element; obtaining a plurality of second relative positions of the plurality of feature points on the specific object relative to a second image capturing element; and in response to determining that the first image capturing element is unreliable, estimating a current three-dimensional position of each feature point based on a historical three-dimensional position and the plurality of second relative positions of each feature point.

Abstract: An augmented reality display device, which is configured to provide an augmented reality image to an eye of a user, includes a display module and multiple mirror sets. The display module includes a projector and multiple switching elements. The projector provides an original image beam. The switching elements are deposed sequentially on a path of the original image beam. Each of the switching elements reflects or transmits the original image beam. Reflection paths of each ray of the original image beam on the switching elements intersect at one point to generate multiple image beams. The mirror sets are disposed on paths of the image beams. The image beams are reflected at different angles on the mirror sets, and the mirror sets reflect the image beams to the eye.