Abstract: A method for training a model in a virtual environment, a medium, an electronic device, and a computer program product. The method includes: an obtaining step, obtaining one or more initial parameters of each of one or more agents in the virtual environment, and causing each of one or more agents to generate one or more actions; an updating step, causing each agent to simultaneously perform the one or more actions in the virtual environment, so as to calculate, for each agent, one or more parameter variations that are respectively in one-to-one correspondence with the one or more initial parameters, and updating, based on the one or more initial parameters and the one or more parameter variations, to obtain one or more subsequent parameters of each agent in the virtual environment. It enhances scalability and reusability of simulating a game environment, increases the speed of simulating the game environment, and overall reduces the simulation time.

Abstract: An organic light emitting device comprises a first electrode, an organic emissive layer positioned over the first electrode, a charge transport layer positioned over the organic emissive layer, and a second electrode comprising a metal, positioned over the charge transport layer, wherein the charge transport layer and the second electrode are configured to form plasmon exciton polaritons between the second electrode and the charge transport layer, wherein the charge transport layer has large singlet extinction coefficients and oscillator strengths, and an absorption onset wavelength smaller than emission wavelength.

Abstract: The present disclosure discloses a method for controlling virtual objects in a virtual environment. The method includes: obtaining historical data of multiple historical plays of one or more first virtual objects, and setting corresponding style labels for respective first virtual objects; using the historical data of one or more first virtual objects belonging to respective style labels for training to obtain the second virtual objects; calculating experience scores of respective historical plays by using the historical data of respective historical plays; and determining matching labels corresponding to respective style labels by using the experience scores of respective historical plays of one or more first virtual objects belonging to respective style labels, and selecting one or more corresponding second virtual objects based on the matching labels to join to a current play. A problem that the AI companion has a single style and cannot match players with different gameplays is solved.

Abstract: A voice conversion method used in an electronic device, including determining a target speech to be converted and a content representation vector corresponding to the target speech, where the target speech has a first content and a first voiceprint, and the content representation vector is obtained based on the speech waveform of the target speech; determining a reference speech and a voiceprint representation vector corresponding to the reference speech, where the reference speech has a second voiceprint, and the second voiceprint is different from the first voiceprint; generating a converted speech based on a speech generator according to the content representation vector and the voiceprint representation vector; where the converted speech has the first content and the second voiceprint; where the speech generator is obtained by jointly training a preset speech generation network and a preset discriminator network by using a training speech having the second voiceprint.

Abstract: The present invention provides a data processing method and server based on voxel data, a medium, and a computer program product, and the method includes: exporting original data of multiple types of scene elements respectively; setting an expected side length of a unit voxel, combined with the side length of the unit voxel, converting the original data of the multiple types of scene elements into voxel data respectively, where the voxel data is represented as a voxel module in the voxel scene; and according to relative positions of the voxel modules of all the scene elements in the pixel scene, splicing the voxel modules of all the scene elements to obtain the voxel scene. In the present invention, for calculation of spatial data, pixel data is converted into the voxel data, and this is highly compatible with GPU computing. Compared with the existing CPU computing mode, the performance of the GPU-based data computing solution is 2 to 3 orders of magnitude higher than that of the CPU-based computing mode.

Abstract: An organic light emitting device comprises an anode and a cathode, an organic emissive layer positioned between the anode and the cathode, the organic emissive layer comprising a host material and a dopant, a host material layer positioned between the cathode and the organic emissive layer, and a charge transport layer positioned between the cathode and the host material layer, wherein the charge transport layer is configured to form plasmon exciton polaritons in a region between the cathode and the charge transport layer. Stacked devices are also disclosed.

Abstract: Disclosed are methods, designs and materials for extending the device operational lifetime of the phosphorescent organic light emitting devices (OLEDs) such as thermally activated delayed fluorescence (TADF) OLEDs. Applying a graded cohost or co-doped emission layer (EML) in the organic layers, both charge transport and charge balance can be precisely engineered to generate a uniform exciton/exciplex profile, preventing the early deaths due to the dense hot-excited states in the device. This invention is aimed at the short lifetime problem of the high efficient phosphorescent OLEDs and TADF OLEDs, especially in the white, blue and deep blue applications.

Abstract: A method for preparing a fully soft self-powered vibration sensor mainly uses a laser carbonization technology to prepare a two-dimensional porous carbon electrode with an origami structure, and then transfers the two-dimensional porous carbon electrode to a three-dimensional polydimethylsiloxane (PDMS) cavity through mold transfer; finally, a laser engraving technology is used to create microstructures on surfaces of the porous carbon electrode and a PDMS film. The sensor includes the PDMS film, a liquid metal droplet oscillator, a porous out-of-plane carbon electrode, and a 3D PDMS cavity assembled tightly from top to bottom.

Abstract: An OLED device comprises a substrate, a first electrode positioned over the substrate, a second electrode positioned over the first electrode, at least one emissive layer positioned between the first and second electrodes in a first region of the OLED device, and a multilayer dielectric reflector stack, comprising a plurality of dielectric reflector layers positioned between the substrate and the first electrode, wherein the multilayer dielectric reflector stack is configured to form an optical cavity with the emissive layer having a Purcell Factor of at least 3.

Abstract: A method for preparing a fully soft self-powered vibration sensor mainly uses a laser carbonization technology to prepare a two-dimensional porous carbon electrode with an origami structure, and then transfers the two-dimensional porous carbon electrode to a three-dimensional polydimethylsiloxane (PDMS) cavity through mold transfer; Finally, a laser engraving technology is used to create microstructures on surfaces of the porous carbon electrode and a PDMS film. The sensor includes the PDMS film, a liquid metal droplet oscillator, a porous out-of-plane carbon electrode, and a 3D PDMS cavity assembled tightly from top to bottom.

Abstract: An OLED comprises a first electrode, an emissive layer positioned over the first electrode, a charge transport layer positioned over the emissive layer, and a second electrode positioned over the charge transport layer, wherein the charge transport layer is in direct contact with the second electrode, and wherein the charge transport layer has an index of refraction of at least 1.7. An OLED comprises a cavity formed between first and second metal electrodes, an organic light emitting element positioned within the cavity, and an efficiency enhancement layer positioned between the organic light emitting element and the second silver electrode, the efficiency enhancement layer having a refractive index of at least 1.7.

Abstract: An organic light emitting device (OLED) comprises a substrate layer, a sub-electrode microlens array (SEMLA) at least partially embedded in the substrate layer comprising a plurality of microlenses, a first electrode layer over the substrate layer, a light emitting layer over the first electrode layer, and a second electrode layer over the light emitting layer. The device can further include a distributed Bragg reflector (DBR) layer between the substrate and first electrode layers and/or a Purcell Factor (PF) enhancement layer over the second electrode layer, comprising at least one layer pair including a silver mirror electrode and a metal-dielectric layer. Related methods are also disclosed.

Abstract: An organic light emitting device comprises an emissive layer stack having an anode side and a cathode side, comprising at least one emissive layer comprising an organic emissive material, an anode layer stack comprising at least one conductive layer, a cathode layer stack comprising at least one conductive layer, an anode-side reflector positioned on the anode side of the emissive layer stack, and a cathode-side reflector positioned on the cathode side of the emissive layer stack, wherein the anode-side reflector and the cathode side reflector are configured to form a resonant, electrically pumped cavity for ultrastrong coupling having a quality factor of at least 10. An electrically-pumped organic light emitting device is also disclosed.

Abstract: A boron-nitrogen ligand with a chiral 1,2-ethylenediamine backbone, a preparing method and used thereof are provided. The structural formula of the boron-nitrogen ligand is as shown in formula (I): wherein R1, R2 and R3 are respectively at least independently selected from substituted or unsubstituted C3-C10 cycloalkyl, C1-C10 alkyl or aryl; R4, R5, R6, R7, R8, R9, R10, R11 and R12 are respectively at least independently selected from hydrogen, halogen, substituted or unsubstituted C1-C10 alkyl, C1-C4 alkoxy, C3-C30 cycloalkyl or aryl; Ar1 and Ar2 are respectively at least independently selected from substituted or unsubstituted C6-C30 aryl. The preparation method of the present application is simple, and can be used for preparing a racemic or chiral boron-nitrogen ligand, which can be used as a catalyst for an asymmetric catalytic reaction and has economic practicability and industrial application prospects.

Abstract: A boron-nitrogen ligand with a chiral 1,2-ethylenediamine backbone, a preparing method and used thereof are provided. The structural formula of the boron-nitrogen ligand is as shown in formula (I): wherein R1, R2 and R3 are respectively at least independently selected from substituted or unsubstituted C3-C10 cycloalkyl, C1-C10 alkyl or aryl; R4, R5, R6, R7, R8, R9, R10, R11 and R12 are respectively at least independently selected from hydrogen, halogen, substituted or unsubstituted C1-C10 alkyl, C1-C4 alkoxy, C3-C30 cycloalkyl or aryl; Ar1 and Ar2 are respectively at least independently selected from substituted or unsubstituted C6-C30 aryl. The preparation method of the present application is simple, and can be used for preparing a racemic or chiral boron-nitrogen ligand, which can be used as a catalyst for an asymmetric catalytic reaction and has economic practicability and industrial application prospects.

Abstract: An OLED device comprises a substrate, a first electrode positioned over the substrate, a second electrode positioned over the first electrode, at least one emissive layer positioned between the first and second electrodes in a first region of the OLED device, and a multilayer dielectric reflector stack, comprising a plurality of dielectric reflector layers positioned between the substrate and the first electrode, wherein the multilayer dielectric reflector stack is configured to form an optical cavity with the emissive layer having a Purcell Factor of at least 3.