Abstract: A membrane useful in gas separation, the membrane comprising a cross-linked polysiloxane structure having a cross-link density of about 0.1×10?5 mol/cm3 to about 6×10?5 mol/cm3, where, in particular embodiments, the cross-linked polysiloxane structure has the following general structure: wherein R1, R2, R3, R4, R5, and R6 are independently selected from hydrocarbon groups having at least 1 and up to 6 carbon atoms; A1 and A2 are independently selected from cyclic hydrocarbon groups; L1 and L2 are linking groups or covalent bonds; n is an integer of at least 1; r and s are independently selected from integers of at least 1; and p is an integer of at least 10. The invention also includes methods for making and using the above-described membranes for gas separation.

Abstract: An eyeglass-less 3D display device, and a device and method that compensate for a displayed margin of error are provided. The display device acquires an image of an integral image display (IID) image captured by a single camera, and compensates for a margin of error which arises due to a discrepancy between the designed position of a micro lens array located on one surface of a 2D panel and the actual position thereof, so as to provide a high-quality 3D image.

Abstract: Provided is an apparatus and method for calibrating a multi-layer three-dimensional (3D) display (MLD) that may control a 3D display including a plurality of display layers to display a first image on one of the plurality of display layers, acquire a second image by capturing the first image, calculate a homography between the display layer and an image capturer based on the first image and the second image, and calculate geometric relations of the display layer with respect to the image capturer based on the calculated homography.

Abstract: An integrated image display, a method for operating the display, and a system including the display are provided. The integrated image display includes: a display panel including pixels; and a first lens array including a plurality of lenses, wherein each of the plurality of lenses is capable of displaying, in a beam direction, a subset of a plurality of subpixels included in at least one pixel from among the included pixels.

Abstract: An overrunning clutch is provided with a spatial wedge-shaped mechanism including a rotation guide mechanism (G) and a traction friction mechanism (F1). The traction friction mechanism (F1) has a friction member. A guide member of the rotation guide mechanism (G) preferably has a helical tooth guide surface. The rotation guide mechanism (G) and the traction friction mechanism (F1) are rigidly, axially linked by a common annular intermediate member, which has complementary guide surfaces and a rotation friction surface. The lead angle of the guide surfaces is less than the maximum value of the lead angle which is capable of ensuring self locking of the friction pairs between the guide surfaces, so that the intermediate member can be wedged between the guide member and the friction member, and then transfer torque therebetween.

Abstract: The invention relates to a cooling fan module, in particular for a motor vehicle, comprising: a frame, wherein the frame is provided with an opening; a fan impeller located in the opening of the frame, wherein the fan impeller comprises a plurality of fan impeller blades, wherein the fan impeller blades are connected to one another at an outer end via an outer fan ring, wherein the fan ring comprises a base portion and a lip portion, wherein the fan impeller blades are connected to the base portion, wherein the lip portion extends from the base portion radially outward, and wherein a leading end of the lip portion is turned in direction to the downstream side of the frame; a recirculating flow guiding device consist of a plurality of guide vanes located on an upstream side of the frame and around the opening of the frame; wherein an air gap is provided between the fan ring and the frame, a recirculating flow from downstream side of the cooling fan module flowing through said air gap, and is turned by the lead

Abstract: A three-dimensional (3D) display apparatus and method are provided. The 3D display apparatus may include a display screen configured to display each of a plurality of sub-images included in a single frame of a 3D image using a time-division multiplexing (TDM), a polarizer configured to polarize each of the displayed sub-images by changing a polarization direction using the TDM, in synchronization with the display screen, and microlens arrays arranged in a plurality of layers and configured to sequentially refract the polarized sub-images, respectively.

Abstract: A method for reducing a moire fringe includes calculating a moire fringe width for each of different angles between a microlens array and pixels of a display screen. The method includes determining, to be a final inclination angle between the microlens array and the pixels of the display screen, one of the different inclination angles that corresponds to a minimum width among the calculated moire fringe widths.

Abstract: A method of determining eye position information includes identifying an eye area in a facial image; verifying a two-dimensional (2D) feature in the eye area; and performing a determination operation including, determining a three-dimensional (3D) target model based on the 2D feature; and determining 3D position information based on the 3D target model.

Abstract: A display system, according to one embodiment, comprises a display panel for displaying the EIA, a lens array positioned at the front part of the display panel, a depth camera for generating a depth image by photographing a user. The display system may include an image processor for calculating a viewing distance between the user and the display system from the depth image, generating a plurality of ray clusters corresponding to one view point according to the viewing distance, generating a multi-view image by rendering the plurality of ray clusters, and generating the EIA on the basis of the multi-view image.

Abstract: An image processing method and apparatus are provided. The image processing method may include determining whether stereoscopic objects that are included in an image pair and that correspond to each other are aligned on the same horizontal line. The method includes determining whether the image pair includes target objects having different geometric features from those of the stereoscopic objects if the stereoscopic objects are not aligned on the same horizontal line. The method includes performing image processing differently for the stereoscopic objects and for the target objects if the image pair includes the target objects.

Abstract: A display device may include a plurality of display panels, and light path adjusters disposed on upper portions of the plurality of the display panels. The light path adjusters include a lens array configured to transfer different beams emitted from the plurality of display panels to each eye of a user, and a joint removal structure disposed on one side of the light path adjusters corresponding to a connecting joint that connects the plurality of display panels. The joint removal structure is configured to refract the beams emitted from the plurality of display panels.

Abstract: An overrunning clutch is provided with a spatial wedge-shaped mechanism including a rotation guide mechanism (G) and a traction friction mechanism (F1). The traction friction mechanism (F1) has a friction member. A guide member of the rotation guide mechanism (G) preferably has a helical tooth guide surface. The rotation guide mechanism (G) and the traction friction mechanism (F1) are rigidly, axially linked by a common annular intermediate member, which has complementary guide surfaces and a rotation friction surface. The lead angle of the guide surfaces is less than the maximum value of the lead angle which is capable of ensuring self locking of the friction pairs between the guide surfaces, so that the intermediate member can be wedged between the guide member and the friction member, and then transfer torque therebetween.

Abstract: A pressure chamber has first and second housing elements and first and second chamber regions. The pressure chamber is loaded with a first part, a second part, a connecting means and a sealing means. The connecting means is arranged in the first chamber region. The loaded pressure chamber is placed into a receiving region. The first housing element is pressed against the second housing element so that the pressure chamber is clamped with the aid of a working cylinder between the working cylinder and a holding frame. In the clamped state, a second gas pressure, which is higher than a first gas pressure in the first chamber region, is generated in the second chamber region. In this way, the first part, the second part and the connecting means are pressed against one another within the pressure chamber.

Abstract: The present invention relates to a centrifugal fan assembly and a HVAC-system, comprising a housing, a blower wheel comprising a plurality of fan blades, the blower wheel being rotatably mounted in the housing and constructed to generate an airflow flowing axially into the blower wheel and radially out from the blower wheel, a guiding vane device including a plurality of guiding vanes, the guiding vane device being coupled to the blower wheel and configured to guide the airflow into the blower wheel.

Abstract: Provided are methods and apparatuses for calibrating a three-dimensional (3D) image in a tiled display including a display panel and a plurality of lens arrays. The method includes capturing a plurality of structured light images displayed on the display panel, calibrating a geometric model of the tiled display based on the plurality of structured light images, generating a ray model based on the calibrated geometric model of the tiled display, and rendering an image based on the ray model.

Abstract: A power semiconductor device includes a power transistor including a plurality of transistor cells on a semiconductor die. At least some of the transistor cells are inhomogeneous by design so that the number of current filaments in the transistor cells with reduced local current density increases and fewer transient avalanche oscillations occur in the power transistor during operation.

Abstract: Provided is a method for preparing high-purity aluminum by directional solidification, comprising the steps of: providing 4N to 5N aluminum as raw material, heating the same to a temperature of 670° C. to 730° C., maintaining the temperature for 7 minutes to 80 minutes, cooling the bottom of chamber (3) to allow the aluminum liquid crystallizing in a direction from the bottom to top of the chamber (3) for 1 hour to 8 hours to obtain a crystalline ingot, during the crystallization process of a finished product of crystalline ingot, stifling and heating the aluminum liquid, maintaining a particular temperature gradient of the aluminum liquid, and removing a portion of the crystalline ingot from one end of the ingot, the remaining portion being the high-purity aluminum. Also provided is a smelting furnace, comprising a shell (1), a heating device (2), a chamber (3), a temperature measurement device, a stirring device and a cooling device (6).

Abstract: The present disclosure relates to online social networks. In particularly it is relates to a method for measuring coefficient of contacts of online social network. A method for measuring coefficient of contacts of online social network comprises the following steps that: the social network comprises at least one tree system, the sum of the coefficients of contacts of each tree system is 1, and the tree system is composed of root-level users, trunk-level users and leaf-level users; each user in the social network belongs to a unique tree system and has a unique code; the leaf-level user has no subordinate relationship of contacts, thus the coefficient of contacts of the leaf-level user is zero; the coefficient of contacts of each of the trunk-level users of the tree system is as follows: Si=?Si+1+j/n/(i+1).