Abstract: A phosphinimide catalyst system comprises: i) a phosphinimide pre-polymerization catalyst having a cyclopentadienyl ligand and a phosphinimide ligand which is substituted with a guanidinate type group; and ii) a catalyst activator. The catalyst system polymerizes ethylene with an alpha-olefin to give high molecular weight ethylene copolymer.

Abstract: A head mounted display and a control method thereof are provided. The control method includes the following. An eye-tracking operation is activated to obtain a gazing direction of a user. At least one setting position is set on a display frame, and the at least one setting position serves to set at least one static object. Whether to display or hide the static object is determined according to the setting position and the gazing direction.

Abstract: The present disclosure provides a semiconductor die structure with air gaps for reducing capacitive coupling between conductive features and a method for preparing the semiconductor die structure. The semiconductor die structure includes a substrate; a first supporting backbone disposed on the substrate; a second supporting backbone disposed on the substrate; a first conductor block disposed on the first supporting backbone; a second conductor block disposed on the second supporting backbone; a third conductor block disposed above the substrate and connected to the first conductor block and the second conductor block; and an air gap structure disposed between the first conductor block, the second conductor block, and the third conductor block, wherein the air gap structure comprises an air gap and a liner layer enclosing the air gap.

Abstract: The present disclosure provides a method for preparing a semiconductor die structure with air gaps for reducing capacitive coupling between conductive features and a method for preparing the semiconductor die structure. The method includes: forming a first supporting backbone on the substrate; forming a first conductor block on the first supporting backbone; forming a second supporting backbone on the substrate; forming a second conductor block on the second supporting backbone; forming a third conductor block suspended above the substrate and connected to the first conductor block and the second conductor block; sequentially forming an energy removable layer and a capping dielectric layer over the substrate, and the energy removable layer and the capping dielectric layer separating the first conductor block, the second conductor block and the third conductor block; and performing a heat treatment process to transform the energy removable layer into a plurality of air gap structures.

Abstract: An optical-lens-set includes a first lens element of a concave image-side surface near its optical-axis, a sixth lens element of negative refractive power and of a concave image-side surface near its optical-axis to go with a fifth lens element of a concave object-side surface near its optical-axis or with a seventh lens element of negative refractive power. The Abbe number ?1 of the first lens element, the Abbe number ?3 of the third lens element, the Abbe number ?4 of the fourth lens element, the Abbe number ?5 of the fifth lens element, the Abbe number ?6 of the sixth lens element and the Abbe number ?7 of the seventh lens element together satisfy 5?5?1?(?3+?4+?5+?6+?7).

Abstract: The present disclosure provides a semiconductor device structure with fine boron nitride spacer patterns and a method for forming the semiconductor device structure, which can prevent the collapse of the fine patterns. The semiconductor device structure includes a first target structure and a second target structure disposed over a semiconductor substrate. The semiconductor device structure also includes a first boron nitride spacer disposed over the first target structure, wherein a topmost point of the first boron nitride spacer is between a central line of the first target structure and a central line of the second target structure in a cross-sectional view.

Abstract: A method of fabricating a semiconductor device includes forming a first conductive structure over a substrate, successively forming a first spacer layer, a sacrificial layer, and a second spacer layer on the first conductive structure, forming a second conductive structure adjacent the first conductive structure and in contact with a lower portion of the second spacer layer, partially removing an upper portion of the second spacer layer to expose the sacrificial layer, removing the sacrificial layer through a vapor etch process to form an air gap between the lower portion of the second spacer layer and the first spacer layer, and forming a capping layer to cap the air gap.

Abstract: Technologies relating to system and method of real-time video overlaying or superimposing display from multiple mutually synchronous cameras are disclosed. An example method of real-time video overlaying includes the steps of: synchronizing frame rates of a depth data, a face meta data, and a video data of a first camera video output captured by a first camera; determining a first depth between a user face and the first camera; using a cutoff depth to determine a user body contour; generating a binary mask of the user body contour based on the first depth and the cutoff depth; smoothing an edge of the binary mask; merging the binary mask with the first camera video output and generating a merged first camera video output; and overlaying the merged first camera video output onto a second camera video output.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces, the refracting power of the lens elements and parameters to meet an inequality associated with the effective focal length, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces, the refracting power of the lens elements and two parameters to meet an inequality associated with the thickness of the second lens element, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: The present disclosure relates to an interlayer film for laminated glass comprising: (a) polyvinyl butyral (PVB) resin having an average molecular weight (Mw) as measured by Gel Permeation Chromatography (GPC) from about 175,000 to about 210,000 Dalton; and (b) about 30 to about 50 parts per hundred (pph) of a plasticizer. The interlayer film interposed between two glass sheets forms laminated glass having a pummel adhesion value that is greater in an outer area of the laminated glass than in a middle area of the laminated glass after the laminated glass has been maintained at 50° C. and 95% relative humidity (RH) for 28 days. The laminated glass exhibits improved durability and does not delaminate over time, even in the presence of high temperature and humidity conditions.

Abstract: An optical-lens-set includes a first lens element of a concave image-side surface near its optical-axis, a sixth lens element of negative refractive power and of a concave image-side surface near its optical-axis to go with a fifth lens element of a concave object-side surface near its optical-axis or with a seventh lens element of negative refractive power. The Abbe number ?1 of the first lens element, the Abbe number ?3 of the third lens element, the Abbe number ?4 of the fourth lens element, the Abbe number ?5 of the fifth lens element, the Abbe number ?6 of the sixth lens element and the Abbe number ?7 of the seventh lens element together satisfy 5?5?1?(?3+?4+?5+?6+?7).

Abstract: A head mounted display, including at least one display, an image capture device, a light beam generator, and an optical compensation element, is provided. The display has an open area and generates at least one image light beam. The image capture device is disposed by overlapping with the display corresponding to the open area. The image capture device is configured to capture a target area image through the open area. The light beam generator is configured to project at least one light beam to a target area. The target area reflects the light beam to generate at least one reflection light beam. The optical compensation element is configured to convert a transmission direction of the image light beam and enable the reflection light beam to be directly transmitted to the image capture device.

Abstract: A head mounted display and a control method thereof are provided. The control method includes the following. An eye-tracking operation is activated to obtain a gazing direction of a user. At least one setting position is set on a display frame, and the at least one setting position serves to set at least one static object. Whether to display or hide the static object is determined according to the setting position and the gazing direction.

Abstract: The present disclosure provides a semiconductor die structure with air gaps for reducing capacitive coupling between conductive features and a method for preparing the semiconductor die structure. The semiconductor die structure includes a substrate; a first supporting backbone disposed on the substrate; a second supporting backbone disposed on the substrate; a first conductor block disposed on the first supporting backbone; a second conductor block disposed on the second supporting backbone; a third conductor block disposed above the substrate and connected to the first conductor block and the second conductor block; and an air gap structure disposed between the first conductor block, the second conductor block, and the third conductor block, wherein the air gap structure comprises an air gap and a liner layer enclosing the air gap.

Abstract: A polymer film comprising polyvinyl acetal and a laminated glass manufactured using the same are provided. At least one surface of the polymer film has a void volume (Vv) value at a material ratio of 10% ranging from 2 ?m3/?m2 to 18 ?m3/?m2, wherein the void volume (Vv) and material ratio are defined in accordance with ISO 25178-2:2012.

Abstract: A manufacturing method for a recessed access device includes the following operations. A trenching is formed in a substrate. A gate oxide layer is formed within the substrate by oxidizing an inner surface of the trench. A first gate layer is formed in a bottom of the trench, wherein a portion of the gate oxide layer above the first gate layer is exposed from the trench. A second gate layer is formed in the trench to cover the first gate layer and the portion of the gate oxide layer and form a recess over the first gate layer, wherein the second gate layer has a vertical portion covering the portion of the gate oxide layer and a horizontal portion having an upper surface exposed from the recess. An ion implantation is performed to the horizontal portion to form a doped horizontal portion.

Abstract: A head mounted display includes a tube, a first light beam generator, a second light beam generator, an image capturer and a controller. The first light beam generator is disposed outside the tube and projects a plurality of first light beams to a first range of a target area. The second light beam generator is disposed inside the tube and projects a second light beam to a second range of the target area. The image capturer captures an image on the target area to generate image information. The controller receives the image information and performs an eye-tracking operation according to the image information. The second range is a center range of the target area, and the first range is a surrounding range of the target area.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces, the refracting power of the lens elements and parameters to meet an inequality associated with the effective focal length, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: A display device and a direct-type backlight thereof are provided. The direct-type backlight includes a central area and a peripheral area. The central area is configured with a plurality of central area light-emitting elements to provide light to a liquid crystal display (LCD) panel. The density of these central area light-emitting elements in the central area is a first density. The peripheral area is configured with a plurality of peripheral area light-emitting elements to provide light to the LCD panel. The density of the peripheral area light-emitting elements in the peripheral area is a second density. Wherein, the second density is less than the first density.