Abstract: The wavelength conversion material includes a general formula (I) MmAaBbCcDdEe:ESxREy and satisfies a condition (II) that a proportion of D for the wavelength conversion material greater than or equal to 50%. M is selected from a group consisting of Ca, Sr and Ba. A is selected from a group consisting of elements Mg, Mn, Zn and Cd. B is selected from a group consisting of elements B, Al, Ga and In. C is selected from a group consisting of Si, Ge, Ti and Hf. D is selected from a group consisting of elements O, S and Se. E is selected from a group consisting of elements N and P. ES is selected from a group consisting of divalent Eu, Sm and Yb. RE is selected from a group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm.

Abstract: An optical keyswitch includes a keycap, a supporting mechanism having a protrusion disposed under the keycap to support the keycap to move downward or upward, and a switch module including a circuit board, an emitter, and a receiver. The emitter and the receiver are electrically connected to the circuit board. The emitter emits an optical signal to the receiver. When the keycap is not pressed, the receiver receives the optical signal of a first intensity. When the keycap is pressed, the protrusion moves along with the keycap, and the protrusion changes the optical signal received by the receiver to have a second intensity different from the first intensity, so the switch module is triggered to generate a triggering signal.

Abstract: A display device configured to receive an input image of an electronic device. The display device comprises a display panel, a scanning circuit, and an adjusting circuit. The display panel comprises an active zone. The scanning circuit is configured to determine a display region of the active zone in which the input image is displayed. The adjusting circuit is coupled to the scanning circuit. The adjusting circuit is configured to capture an image of the display region when an adjusting signal associated with the display panel is received in order to display the image of the display region on the active zone correspondingly.

Abstract: A heat dissipation device includes a main body and at least one heat conduction member. The main body has a top face. A periphery of the top face has a connection section. One end of the heat conduction member is correspondingly in contact and connection with the top face or the connection section. By means of the structure design of the present invention, the horizontal heat dissipation effect is greatly enhanced and the heat dissipation effect of the entire heat dissipation device is greatly enhanced.

Abstract: A keyswitch structure includes a base, a cap disposed corresponding to the base, a restoring member disposed between the base and the cap, and a tactile adjustment unit. The cap has a cam portion movable relative to the base. The restoring member is configured to provide a restoring force to enable the cam portion to move away from the base. The tactile adjustment unit is disposed corresponding to the cam portion and includes a holder and a tactile feedback member mounted on the holder. The holder is movable relative to the base to change a position of the tactile feedback member relative to the cam portion, so as to change a pressing force required for the cam portion to move toward the base.

Abstract: A heat dissipation unit includes a main body having a first and a second plate member, which are closed to each other to together define an airtight chamber in between them. A working fluid is filled in the airtight chamber. A first wick structure layer and a holding-down member are provided between the first and the second plate member and received in the airtight chamber. The holding-down member is located above the first wick structure layer, such that the first wick structure layer is held down by the holding-down member to be closely and flatly attached to the second plate member without warping.

Abstract: The present disclosure describes a lithography apparatus comprising a photoresist coating unit configured to perform one or more coating processes on a substrate. The lithography apparatus further comprises a detection unit configured to determine a contamination level of a contaminant from the one or more coating processes adheres on a sidewall of the lithography apparatus. The lithography apparatus further comprises a controller unit configured to adjust one or more operations of the lithography apparatus based on a comparison between the contamination level and a baseline cleanliness requirement of the lithography apparatus.

Abstract: A network connection method includes determining whether an electronic device is moving and obtaining position information of the electronic device from the positioning unit in response to determining that the electronic device is moving. The method also determines whether the electronic device is located within a preset range based on the position information, and accordingly generates a movement path in response to determining that a distance between the electronic device and the wireless device is within a preset value. The method further determines whether the movement path of the electronic device matches with a part of at least one stored path; and switches a state of at least one wireless communication unit in response to determining that the movement path of the electronic device matches with a part of the at least one stored path. A related electronic device and a non-transitory storage medium are also provided.

Abstract: A method for controlling a robotic arm to grasp and place objects includes acquiring a plurality of sets of images each of which including an RGB image and a depth image. The RGB image and the depth image of each set are associated with each other. A plurality of fused images are obtained by fusing of depth information on each RGB image based on depth information of corresponding depth image. Once a three-dimensional map is constructed based on the plurality of fused images, a robotic arm is controlled to grasp and place objects based on the three-dimensional map.

Abstract: A method for determining a standard depth value of a marker includes obtaining a maximum depth value of the marker. A reference depth value of the marker is obtained based on a depth image of the marker, and a Z-axis coordinate value of the marker is obtained based on a color image of the marker. When the reference depth value and the Z-axis coordinate value are both less than the maximum depth value, and a difference between the reference depth value and the Z-axis coordinate value is not greater than 0, the depth reference value is set as the standard depth value of the marker; and when the difference is greater than 0, the Z-axis coordinate value is set as the standard depth value of the marker.

Abstract: An amplifier circuit is provided, which includes an input stage circuit, at least one impedance component and a current supply circuit, where the input stage circuit is coupled between at least one input terminal of the amplifier circuit and at least one output terminal of the amplifier circuit, the impedance component is coupled between a first reference voltage and the output terminal, and the current supply circuit is coupled between a second reference voltage and the output terminal. The input stage circuit is arranged to generate a signal current in response to an input signal on the input terminal, and the current supply circuit is arranged to provide at least one adjustment current. In addition, a common mode voltage level of an output signal on the output terminal is controlled by the adjustment current, to allow the amplifier circuit to perform low voltage operations.

Abstract: A user preference hierarchy is determined from user response to images. Images may be tagged using machine learning models trained to determine values for images. Products are clustered according to product vectors. Images of products within a cluster are clustered according to composition and groups of images are selected from image clusters for soliciting feedback regarding user preference for products of a cluster. Feedback is used to train a user preference model to estimate affinity for a product vector. A user may provide feedback regarding a price point and products are weighted according to a distribution about the price point. The distribution may be asymmetrical according to direction of movement of the price point. Filters may be dynamically defined and presented to a user based on popularity and frequency of occurrence of attribute-value pairs of search results and based on feedback regarding the search results.

Abstract: An optical keyswitch includes a keycap, a supporting mechanism having a protrusion disposed under the keycap to support the keycap to move downward or upward, and a switch module including a circuit board, an emitter, and a receiver. The emitter and the receiver are electrically connected to the circuit board. The emitter emits an optical signal to the receiver. When the keycap is not pressed, the receiver receives the optical signal of a first intensity. When the keycap is pressed, the protrusion moves along with the keycap, and the protrusion changes the optical signal received by the receiver to have a second intensity different from the first intensity, so the switch module is triggered to generate a triggering signal.

Abstract: A method for determining coordinates of a mechanical arm includes taking a first picture of a marker on a target object on a first jig, obtaining first position coordinates of the marker, calculating reference position coordinates, controlling the mechanical arm to move to the reference position coordinates, moving the mechanical arm from the reference position coordinates to an intermediate position, setting current position coordinates as intermediate position coordinates, moving the mechanical arm from the intermediate position to a target position, setting current position coordinates as target position coordinates, moving the target object onto a second jig, taking a second picture of the marker to obtain second position coordinates, calculating reference position coordinates based on the second position coordinates, controlling the mechanical arm to move to the reference position coordinates, calculating intermediate position coordinates corresponding to the second jig, and calculating target position c

Abstract: The present invention discloses a three-dimensional lightweight steel framing system formed by bi-directional continuous double beams. The three-dimensional lightweight steel framing system comprises beams, purlins, columns, wall bodies, floor slabs and lateral resistant mechanism comprises of diagonal support or bracing, wherein the beams are continuous double beams, and the continuous double beams are formed by combination of identical or different continuous single beams, and the continuous single beams are respectively arranged at the both sides of the columns, and the single beams are kept continuous at the junctions with the columns. The three-dimensional lightweight steel framing system simplifies the production of the lightweight steel member, and simplifies the on-site assembly by using bolts and nuts.

Abstract: A system of deep learning neural network in prostate cancer bone metastasis identification based on whole body bone scan images includes a pre-processing module for receiving input whole body bone scan images, and a neural network module for detecting whether there is a prostate cancer bone metastasis. The neural network module includes: a chest portion network module for establishing first stage faster R-CNN and segmenting training images of chest portion according to the input whole body bone scan images, and using the training images to train second stage faster R-CNN and categorizing the lesions of cancerous bone metastasis; and a pelvis portion network module for establishing first stage faster R-CNN and segmenting training images of pelvis portion according to the input whole body bone scan images, and using the training images to train the convolutional neural network to categorize whether it is a bone metastasis image.

Abstract: A user preference hierarchy is determined from user response to images that are tagged. Tagged images may be generated by processing them with machine learning models trained to determine values for images. Product records including images and other data are analyzed to generate attribute vectors that are encoded to generate product vectors. Products are clustered according to their product vectors. Images of products within a cluster are clustered according to composition and groups of images are selected from image clusters for soliciting feedback regarding user preference for products of a cluster. Feedback is used to train a user preference model to estimate affinity for a product having a given product vector. A user may provide feedback regarding a price point and products are weighted according to a distribution having a highest value at the price point. The distribution may be asymmetrical according to direction of movement of the price point.

Abstract: The present disclosure describes a semiconductor apparatus and a method for handling contamination from a semiconductor manufacturing process. The semiconductor apparatus can include a chuck configured to hold a substrate, a drain cup configured to surround the chuck and to capture a chemical sprayed from the substrate, and a detection module disposed in a space between the drain cup and the chuck and configured to monitor sidewalls of the drain cup.

Abstract: A vapor chamber structure includes a main body, a fan and perforations. The main body has a heat absorption section, a heat dissipation section and a chamber. The heat absorption section and the heat dissipation section are respectively horizontally disposed on left and right sides of the main body. The heat absorption section is attached to at least one heat source. The chamber is positioned at the heat absorption section and partially extends to the heat dissipation section. The chamber has a capillary structure and at least one perforated section. The perforated section is connected between an upper side and a lower side of the chamber. The fan is disposed on one side of the heat dissipation section. The perforations are formed through the parts of the main body, which parts are free from the chamber and the parts of the main body, where the perforated section is disposed.

Abstract: Images are tagged with values in an image data hierarchy that is most subjective at its top level and least subjective at its bottom level, such as a hierarchy including style, type, and features for clothing. A user preference hierarchy is determined from user response to images that are tagged. Tagged images may be generated by processing them with machine learning models trained to determine values for images. Product records including images and other data are analyzed to generate attribute vectors that are encoded to generate product vectors. Products are clustered according to their product vectors. Images of products within a cluster are clustered according to composition and groups of images are selected from image clusters for soliciting feedback regarding user preference for products of a cluster. Feedback is used to train a user preference model to estimate user affinity for a product having a given product vector.