Abstract: A flexible polarizer and a flexible touch display device. The flexible polarizer includes: a support protective layer; a linear polarized layer provided on the side of the support protection layer and comprising an acidic substance; a retardation layer provided on the side of the linear polarized layer distant from the support protection layer, and bonded to the linear polarized layer by means of a first bonding layer; and a block layer provided on the side of the retardation layer distant from the linear polarized layer. The block layer is bonded to a flexible touch display panel of the flexible touch display device by means of the second bonding layer. The block layer is used for blocking the acidic substance in the linear polarized layer from permeating into the flexible touch display panel.

Abstract: In some implementations, a network device (e.g., an Internet protocol multimedia subsystem (IMS) application server (IMS-AS) may receive, via a first communication interface, from a call session control function (CSCF) device, a request to register for an Internet protocol multimedia subsystem (IMS) service. The network device may provide via a second communication interface between the network device and a unified data management (UDM) device, and to the UDM device, a request for IMS service information associated with the IMS service. The network device may receive based on providing the request for IMS service information, via the second communication interface, and from the UDM device, IMS service information. The network device may cause, based on the IMS service information, the IMS service to be provided to a user device associated with the request to register for the IMS service.

Abstract: A display panel includes a first display portion and at least one second display portion. The first display portion includes first sub-pixels and has at least one arc-shaped border. The second display portion is connected to an arc-shaped border and includes first sub-portions and one or more second sub-portions. The first sub-portion includes second sub-pixels, the first sub-portions are sequentially arranged along the arc-shaped border, and in a case where the first display portion and the second display portion are laid on a reference plane, any two adjacent first sub-portions have a gap therebetween. The second sub-portion includes third sub-pixels; at least one second sub-portion is located in a gap between two adjacent first sub-portions and is connected to at least one of the two adjacent first sub-portions. A Young's modulus of the first sub-portion is greater than a Young's modulus of the second sub-portion.

Abstract: A protective cover plate includes an ultra-thin glass layer and at least one thermoplastic protective film. The ultra-thin glass layer has two main surfaces opposite to each other. At least one main surface in the two main surfaces is coated with a thermoplastic protective film in the at least one thermoplastic protective film.

Abstract: Methods and systems for compensating systematic errors across a fleet of metrology systems based on a trained error evaluation model to improve matching of measurement results across the fleet are described herein. In one aspect, the error evaluation model is a machine learning based model trained based on a set of composite measurement matching signals. Composite measurement matching signals are generated based on measurement signals generated by each target measurement system and corresponding model-based measurement signals associated with each target measurement system and reference measurement system. The training data set also includes an indication of whether each target system is operating within specification, an indication of the values of system model parameter of each target system, or both.

Abstract: In some implementations, a network device (e.g., an Internet protocol multimedia subsystem (IMS) application server (IMS-AS) may receive, via a first communication interface, from a call session control function (CSCF) device, a request to register for an Internet protocol multimedia subsystem (IMS) service. The network device may provide via a second communication interface between the network device and a unified data management (UDM) device, and to the UDM device, a request for IMS service information associated with the IMS service. The network device may receive based on providing the request for IMS service information, via the second communication interface, and from the UDM device, IMS service information. The network device may cause, based on the IMS service information, the IMS service to be provided to a user device associated with the request to register for the IMS service.

Abstract: In some implementations, a network device (e.g., an Internet protocol multimedia subsystem (IMS) application server (IMS-AS) may receive, via a first communication interface, from a call session control function (CSCF) device, a request to register for an Internet protocol multimedia subsystem (IMS) service. The network device may provide via a second communication interface between the network device and a unified data management (UDM) device, and to the UDM device, a request for IMS service information associated with the IMS service. The network device may receive based on providing the request for IMS service information, via the second communication interface, and from the UDM device, IMS service information. The network device may cause, based on the IMS service information, the IMS service to be provided to a user device associated with the request to register for the IMS service.

Abstract: The embodiments of the present disclosure provide a display module and a method of manufacturing the same, a display apparatus, and a polarizer for a display module. The display module includes a display panel and a component to be bonded. The display panel has a light exit surface and a back surface that are opposite to each other. The component to be bonded includes a layer to be bonded and at least one thermal adhesive film. The at least one thermal adhesive film is fixed to one of the light exit surface and the back surface of the display panel.

Abstract: A cover for a display panel is provided. The cover for a display panel includes a cover film; a first adhesive layer on the cover film; a polarizer on a side of the first adhesive layer away from the cover film; a phase difference layer on a side of the polarizer away from the first adhesive layer; a second adhesive layer on a side of the phase difference layer away from the polarizer; and an ultra-thin glass and an opaque filler layer on a side of the second adhesive layer away from the phase difference layer. The opaque filler layer includes an opaque material. The opaque filler layer abuts at least a portion of a periphery of the ultra-thin glass.

Abstract: The embodiments of the present disclosure provide a display module and a method of manufacturing the same, a display apparatus, and a polarizer for a display module. The display module includes a display panel and a component to be bonded. The display panel has a light exit surface and a back surface that are opposite to each other. The component to be bonded includes a layer to be bonded and at least one thermal adhesive film. The at least one thermal adhesive film is fixed to one of the light exit surface and the back surface of the display panel.

Abstract: A method, a device, and a non-transitory storage medium provide an emergency call support service in which a network device of a visited network obtains user profile data of a wireless device from a home network of the wireless device, and provides the user profile data to a location server of the visited network. The emergency call support service allows an emergency call, when initiated by a roaming subscriber of the wireless device via the visited network, to include the user profile data and be provided to a public safety access point.

Abstract: A system may receive a registration request that identifies a first user device identifier. The system may determine that the first user device identifier is not registered. The system may transmit an authentication challenge. The authentication challenge may request one or more credentials associated with a subscriber profile. The first user device identifier may be associated with the subscriber profile. The system may cause the first user device identifier to be registered based on a challenge response. The first user device identifier may be registered based on a result of authenticating the registration request. The system may receive subscriber information that is associated with the first user device identifier, based on causing the first user device identifier to be registered. The system may determine that the subscriber information identifies a second user device that may be associated with the subscriber profile. The system may provide a notification.

Abstract: A method, a device, and a non-transitory storage medium provide an emergency call support service in which a network device of a visited network obtains user profile data of a wireless device from a home network of the wireless device, and provides the user profile data to a location server of the visited network. The emergency call support service allows an emergency call, when initiated by a roaming subscriber of the wireless device via the visited network, to include the user profile data and be provided to a public safety access point.

Abstract: A method, a device, and a non-transitory storage medium provide an emergency call support service in which a network device of a visited network obtains user profile data of a wireless device from a home network of the wireless device, and provides the user profile data to a location server of the visited network. The emergency call support service allows an emergency call, when initiated by a roaming subscriber of the wireless device via the visited network, to include the user profile data and be provided to a public safety access point.

Abstract: A method, a device, and a non-transitory storage medium having instructions are provided to receive an attach request from a wireless device to attach to the device; obtain a mobile telephone number of the wireless device from another device of a home wireless network of the wireless device, based on the attach request; receive subsequent to an attachment of the wireless device, a request to establish an unauthenticated Voice over Long Term Evolution (VoLTE) emergency call, wherein the wireless device is not registered with a visited Internet Protocol Multimedia Subsystem and the visited IMS is not communicatively coupled to a home IMS of the wireless device; and provide during an establishment of the unauthenticated VoLTE emergency call, the mobile telephone number to a public access safety point.

Abstract: A system may receive a registration request that identifies a first user device identifier. The system may determine that the first user device identifier is not registered. The system may transmit an authentication challenge. The authentication challenge may request one or more credentials associated with a subscriber profile. The first user device identifier may be associated with the subscriber profile. The system may cause the first user device identifier to be registered based on a challenge response. The first user device identifier may be registered based on a result of authenticating the registration request. The system may receive subscriber information that is associated with the first user device identifier, based on causing the first user device identifier to be registered. The system may determine that the subscriber information identifies a second user device that may be associated with the subscriber profile. The system may provide a notification.

Abstract: A device may receive a first call associated with a virtual phone number associated with a first user device and a second user device. The device may determine, and may store information indicating, that the first call was made using the first user device. The device may receive a second call directed to the virtual phone number and may determine whether the second call comprises a call back associated with the first call. The device may selectively send the second call to the first user device or to the first and second user devices based on determining whether the second call comprises the call back. The second call may be sent to the first and second user devices when the second call does not comprise the call back and may be sent to the first user device when the second call comprises the call back.

Abstract: A request to access a location-based service is received via a wireless access point (WAP). A WAP identifier associated with the WAP may be identified based on the request and a particular geographic location associated with the WAP may be determined based on the identifier. For example, a WAP information service (WIS) may store data associating geographic locations and WAP identifiers corresponding to a plurality of WAPs that include the WAP, and the particular geographic location may be determined by querying the WIS, based on the particular WAP identifier, to identify the particular geographic location. A communication may be established between the user device and location-based service based on the particular geographic location associated with the WAP.

Abstract: A device may receive a first call associated with a virtual phone number associated with a first user device and a second user device. The device may determine, and may store information indicating, that the first call was made using the first user device. The device may receive a second call directed to the virtual phone number and may determine whether the second call comprises a call back associated with the first call. The device may selectively send the second call to the first user device or to the first and second user devices based on determining whether the second call comprises the call back. The second call may be sent to the first and second user devices when the second call does not comprise the call back and may be sent to the first user device when the second call comprises the call back.

Abstract: A request to access a location-based service is received via a wireless access point (WAP). A WAP identifier associated with the WAP may be identified based on the request and a particular geographic location associated with the WAP may be determined based on the identifier. For example, a WAP information service (WIS) may store data associating geographic locations and WAP identifiers corresponding to a plurality of WAPs that include the WAP, and the particular geographic location may be determined by querying the WIS, based on the particular WAP identifier, to identify the particular geographic location. A communication may be established between the user device and location-based service based on the particular geographic location associated with the WAP.