Abstract: The present disclosure provides a memory device, a semiconductor device, and a method of operating a memory device. A memory device includes a memory cell, a bit line, a word line, a select transistor, a fuse element, and a heater. The bit line is connected to the memory cell. The word line is connected to the memory cell. The select transistor is disposed in the memory cell. A gate of the select transistor is connected to the word line. The fuse element is disposed in the memory cell. The fuse element is connected to the bit line and the select transistor. The heater is configured to heat the fuse element.

Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: A head mounted display including a first display, a second display, a third display, and an optical element is provided. The first display projects a first image to a first target area. The second display projects a second image to a second target area. The third display projects a third image. The optical element is disposed among the first target area, the second target area, the first display, the second display, and the third display. The optical element transmits the first image to the first target area and the second image to the second target area, and reflects the third image toward the first target area and the second target area.

Abstract: Image dewarping includes capturing a source image from a camera, selecting an input row of pixels from the source image, if the input row of pixels comprises a plurality of input pixels in a region of interest in the source image, storing the plurality of input pixels to a memory to generate an input segment of pixels, when a plurality of pixels required to generate an output row of pixels are all stored in the memory, reading from the memory the plurality of pixels corresponding to the output row of pixels, and performing coordinate transformation on the plurality of pixels to generate the output row of pixels, and when coordinate transformation has been completed on the plurality of pixels, releasing from the memory an input segment of pixels of the plurality of input segments of pixels that does not correspond to other output rows of pixels.

Abstract: Present invention is related to a metallic particle-deposition substrate having a metal substrate and multiple metallic particles attached thereon. The metallic particles are nano-particles with at least 90% of these nano-particles as single layer being evenly dispersed on the metal substrate. Each of the metallic particle is isolated without toughing or overlapping. The metal substrate has different material than the metallic particles in each preferred embodiment in the present invention. More preferably, at least 80% of the metallic particles have the distance between each metallic particle is at a range of 2-6 nm for better generation of hotspot effects. The present invention provides a fast production method for producing the substrate with heterogeneous interface. The metallic particles are evenly attached to the surface of the metal substrate to obtain better surface enhanced Raman effect as to apply for sensors in all kinds of field.

Abstract: A projector focusing method includes acquiring a plane angle of a light beam and acquiring a first distance and a second distance between two sides of a light beam edge displayed on a projection plane and a time of flight device after the time of flight device emits the light beam to the projection plane, acquiring a plane equation of the projection plane according to the first distance and the second distance, acquiring an optical axis vector of a digital micro-mirror device (DMD) disposed inside the projector, designating target coordinates of the DMD, converting the target coordinates to the projection target coordinates on the projection plane according to the plane equation, acquiring an customized emitting vector according to the projection target coordinates and a lens position of the projector, and acquiring an ideal focal distances of the projector according to the customized emitting vector and the optical axis vector.

Abstract: A virtual reality head mounted display includes a first display, a first lens, a second lens, a beam splitter coating and a second display. The first display generates a first display image beam on an active surface. The first lens has a first surface facing the active surface of the first display and a second surface opposite to the first surface. The second lens has a third surface and an opposite fourth surface. The beam splitter coating is disposed between the second surface of the first lens and the third surface of the second lens. The third surface of the second lens is attached to the second surface of the first lens through the beam splitter coating. The second display has an active surface facing the fourth surface of the second lens. The second display generates a second display image beam on the active surface.

Abstract: A head mounted display including a first display, a second display, a third display, and an optical element is provided. The first display projects a first image to a first target area. The second display projects a second image to a second target area. The third display projects a third image. The optical element is disposed among the first target area, the second target area, the first display, the second display, and the third display. The optical element transmits the first image to the first target area and the second image to the second target area, and reflects the third image toward the first target area and the second target area.

Abstract: A projector focusing method includes acquiring a plane angle of a light beam and acquiring a first distance and a second distance between two sides of a light beam edge displayed on a projection plane and a time of flight device after the time of flight device emits the light beam to the projection plane, acquiring a plane equation of the projection plane according to the first distance and the second distance, acquiring an optical axis vector of a digital micro-mirror device (DMD) disposed inside the projector, designating target coordinates of the DMD, converting the target coordinates to the projection target coordinates on the projection plane according to the plane equation, acquiring an customized emitting vector according to the projection target coordinates and a lens position of the projector, and acquiring an ideal focal distances of the projector according to the customized emitting vector and the optical axis vector.

Abstract: A head-mounted display device including a body, a display element, and two lens groups is provided. The display element is disposed on the body and is adapted to provide an image beam. The two lens groups are disposed on a transmission path of the image beam. Each the lens group includes a plurality of lenses, wherein one of the lenses has an astigmatism surface on at least one side of the display element. The astigmatism surface is non-rotationally symmetrical, and the image beam has astigmatic aberration after passing through the astigmatism surface.

Abstract: An eye-tracking apparatus includes a first lens group, a light splitting device, a display, an image sensor, a second lens group, and a plurality of light sources. The light splitting device receives a first beam, generates a second beam, and transmits the second beam to a second surface of the first lens group. The display projects a reference mark to a target area through the light splitting device and the first lens group. The image sensor captures a detection image on the target area through the first lens group, the light splitting device, and the second lens group. The second lens group is disposed between the light splitting device and the image sensor. The light sources are disposed around the image sensor and project a plurality of beams to the target area through the first lens group, the light splitting device, and the second lens group.

Abstract: An eye-tracking apparatus includes a first lens group, a light splitting device, a display, an image sensor, a second lens group, and a plurality of light sources. The light splitting device receives a first beam, generates a second beam, and transmits the second beam to a second surface of the first lens group. The display projects a reference mark to a target area through the light splitting device and the first lens group. The image sensor captures a detection image on the target area through the first lens group, the light splitting device, and the second lens group. The second lens group is disposed between the light splitting device and the image sensor. The light sources are disposed around the image sensor and project a plurality of beams to the target area through the first lens group, the light splitting device, and the second lens group.

Abstract: A head mounted display is provided, including a transmissive display, a first lens, a second lens, and a beam splitter coating. The transmissive display includes an active surface. The transmissive display generates a display image beam on the active surface. The first lens includes a first surface facing the active surface of the transmissive display, and a second surface opposite to the first surface. The second lens includes a third surface and a fourth surface opposite to each other. The beam splitter coating is disposed between the second surface of the first lens and the third surface of the second lens. The third surface of a second lens and the second surface of the first lens are attached to each other through the beam splitter coating, the first lens is a convex lens, and the second lens is a concave lens.

Abstract: A projection system includes a projector, a depth sensor, an inertia measurement unit and a processor. The depth sensor and the inertia measurement unit are fixed at the projector. A projection method includes the inertia measurement unit performing a 3-axis acceleration measurement to generate an orientation of the projector, the depth sensor detecting a plurality of coordinates of a plurality of points on a projection surface, the processor performing a keystone correction according to at least the plurality of coordinates of the plurality of points on the projection surface to generate a calibrated projection region, the processor generating a set of data according to at least the orientation of the projector, the calibrated projection region and the plurality of coordinates, and the projector projecting a pre-warped image onto the projection surface according to the set of data.

Abstract: An optical recognition system includes a 4×4 kernel image sensor, two line buffers, and an interpolation unit. The 4×4 kernel image sensor includes two red pixels, eight green pixels, two blue pixels, and four IR pixels arranged in Bayer pattern. The two line buffers are configured to store the brightness information of the pixels. The interpolation unit is configured to provide missing components in each pixel according to the brightness information stored in the two line buffers, thereby outputting an image data which includes full-color brightness information associated with each pixel.

Abstract: A method of manufacturing a composite catalyst is provided. The method includes the following steps. A catalyst composition including an inorganic support and a metallic nanoparticle attached to a surface of the inorganic support is provided. The catalyst composition, an organic material, and an acidic solvent are mixed to obtain a first mixed solution. An oxidant and the first mixed solution are mixed to obtain a second mixed solution. A drying process is performed on the second mixed solution to remove a solvent in the second mixed solution and to obtain a solid composite catalyst precursor. A calcination process is performed on the composite catalyst precursor to form a carbon-decorated composite catalyst.

Abstract: A head-mounted display device including a body, a display element, and two lens groups is provided. The display element is disposed on the body and is adapted to provide an image beam. The two lens groups are disposed on a transmission path of the image beam. Each the lens group includes a plurality of lenses, wherein one of the lenses has an astigmatism surface on at least one side of the display element. The astigmatism surface is non-rotationally symmetrical, and the image beam has astigmatic aberration after passing through the astigmatism surface.

Abstract: A handheld electronic device includes an optical imaging module, a case and a display device. The optical imaging module is adapted to receive a light beam. The optical imaging module includes a lens group, a linear polarization element, a beam splitting element, two reflection groups and a photosensitive element along an optical axis from an object side to an image side. The optical axis includes a first optical axis and a second optical axis that is not parallel to the first optical axis. The lens group, the linear polarization element, the beam splitting element and the photosensitive element are located on the first optical axis, the two reflection groups and the beam splitting element are located on the second optical axis, and the beam splitting element is disposed between the two reflection groups.

Abstract: A catalyst layer material and a membrane electrode assembly (MEA) having same are provided. The catalyst layer material used for a fuel cell has a catalyst support and a catalyst distributed on the catalyst support. The catalyst support has TiWMXNYOZ, wherein Ti is titanium; M is one metal element selected from a group consisting of group IB metals, group IIA metals, group IIB metals, group VB metals, group VIB metals, group VIIB metals and group VIIIB metals; N is an non-metal element selected from a group consisting of nitrogen, phosphorus, and sulfur; O is oxygen; 0<W?1; 0<X?0.5; 0<Y?0.2; 1.5?Z?2.0. By applying a non-carbon catalyst support doped with metal cations and anions to the membrane electrode assembly, stability and performance of the fuel cell can be effectively enhanced.

Abstract: A catalyst composition and a use thereof are provided. The catalyst composition includes a support and at least one RuXMY alloy attached to the surface of the support, wherein M is a transition metal and X?Y. The catalyst composition is used in an alkaline electrochemical energy conversion reaction, and can improve the energy conversion efficiency for an electrochemical energy conversion device and significantly reduce material costs.