Abstract: A method and an apparatus for acquiring a classification model, a method and an apparatus for determining an expression category, a device, and a medium are provided. The method for acquiring the classification model includes: for a tumor region of a sample object, acquiring a plurality of radiomics features and a plurality of voxel features of the tumor region; screening the plurality of radiomics features based on a first screening factor to obtain a plurality of radiomics feature samples; and screening the plurality of voxel features based on a second screening factor to obtain a plurality of voxel feature samples; wherein each of the first screening factor and the second screening factor includes an expression category label of a target gene of the sample object; constructing training samples based on the plurality of radiomics feature samples and the plurality of voxel feature samples.

Abstract: Provided is an organic light-emitting material. The light-emitting material is a series of metal complexes containing a ligand(s) based on isoquinoline which is substituted with deuterium at 3- and 4-position and a ligand(s) based on acetylacetone. The compounds can be used as the light-emitting material in an emissive layer of an organic electroluminescent device. These novel compounds can provide better device performance. Further provided are an electroluminescent device and a compound combination including the light-emitting material.

Abstract: Provided are a metal complex, an electroluminescent device containing the same, and a use thereof. The metal complex has a structure of M(La)m(Lb)n and can more effectively fine-tune a light-emitting color and adjust an emission peak width, thereby narrowing a full width at half maximum, making the light-emitting color more saturated, and improving device efficiency, current efficiency, and external quantum efficiency.

Abstract: The present disclosure provides Aa computer-implemented method, a method of training a deep learning model, an electronic device, and a medium are provided. The method includes: obtaining a target image segmentation result according to a target medical image of a target part, wherein the target medical image includes a medical image in at least one modality; obtaining target fusion data according to the target medical image segmentation result and a medical image in a predetermined modality in the target medical image; and obtaining a target multi-mutation detection result according to the target fusion data.

Abstract: Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a first metal complex with a ligand having a structure of Formula 1, a first compound having a structure of Formula 2 or Formula 3, and a second compound having a structure of Formula 4. The electroluminescent device exhibits good overall device performance, such as higher efficiency and a longer lifetime. Further provided are a display assembly comprising the organic electroluminescent device and a compound composition comprising a first metal complex with a ligand having a structure of Formula 1, a first compound having a structure of Formula 2 or Formula 3, and a second compound having a structure of Formula 4.

Abstract: A linewidth measurement method and apparatus, a computing and processing device, a computer program and a computer readable medium are provided for measuring a width of a line.

Abstract: The present disclosure relates to an image processing method and apparatus, a screening system, and a computer-readable storage medium. An image processing method includes: acquiring an image to be processed; extracting a first feature of the image to be processed by using a first feature extractor; performing first classification on the image to be processed according to the first feature by using a first classifier; under the condition that a classification result is a first result, extracting a second feature of the image to be processed by using a second feature extractor; performing second classification on the image to be processed according to the second feature by using a second classifier; and outputting the classification result of the second classification.

Abstract: Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex having a ligand of a structure of Formula 1 and can be used as an emissive material in an emissive layer of an organic electroluminescent device. The metal complexes having these new ligands can achieve a significant red shift of the maximum emission wavelength of the device, effectively control the emitted color of the device, achieve deeper red luminescence, significantly improve the efficiency of the device, and reduce the voltage of the device. These new metal complexes can provide better device performance. Further provided are an electroluminescent device including the metal complex and a compound composition including the metal complex.

Abstract: Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex having a general formula of M(La)m(Lb)n(Lc)q. The metal complex can meet luminescence requirements on different wavebands, unexpectedly have a greatly narrowed full width at half maximum, and can achieve high-saturation luminescence. Moreover, when used as a emissive material in an electroluminescent device, the metal complex can effectively control the luminescence wavelength of the device, can make the device have the advantages of a low voltage, high efficiency, and an ultra-long lifetime, and can provide better device performance. Further provided are an electroluminescent device and a compound composition.

Abstract: Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and a light-emitting layer disposed between the anode and the cathode, where the light-emitting layer at least comprises a first compound having a structure of Formula 1, Formula 2 or Formula 3, a second compound having a structure of Formula 4 and a third compound comprising a ligand having a structure of Formula 5. The new electroluminescent device has higher device efficiency, a longer device lifetime and better device performance. Further provided are an electronic apparatus and a composition.

Abstract: A metal complex containing three different ligands which may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can not only achieve device performed desired to be adjusted or improved by adjusting substituents but also have the effect of effectively controlling increase of the evaporation temperature. Further disclosed are an electroluminescent device and a compound formulation including the metal complex.

Abstract: Provided is a light-emitting material with polycyclic ligand. The light-emitting material is a metal complex with polycyclic ligand and may be used as a light-emitting material in an electroluminescent device. While maintaining a very narrow FWHM, these novel metal complexes can better adjust the light-emitting color of the device, reduce the driving voltage of the device or maintain the driving voltage at a low level, improve device efficiency, greatly increase the lifetime of the device, and provide better device performance. Further provided are an electroluminescent device and a compound composition.

Abstract: Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material includes a metal M and at least one C{circumflex over (?)}N bidentate ligand La coordinated with the metal M, the maximum emission wavelength of the photoluminescence spectrum of the organic electroluminescent material at room temperature is greater than or equal to 410 nm and less than or equal to 700 nm, and the emission spectrum area ratio of the organic electroluminescent material is less than or equal to 0.145. The metal complex has significant advantages in organic electroluminescent devices, in particular the improvement of device efficiency. Further provided are an organic electroluminescent device including the metal complex and a compound composition including the metal complex.

Abstract: An organic light-emitting material contains a 6-silyl-substituted isoquinoline ligand. The organic light-emitting material is a metal complex containing a 6-silyl-substituted isoquinoline ligand and may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can provide redder and saturated emission and meanwhile demonstrate a significantly improved lifetime and efficient and excellent device performance. Further disclosed are an electroluminescent device and a compound formulation including the metal complex.

Abstract: Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer includes at least a first compound having a structure of H-L-E and a second compound having a general formula of M(La)m(Lb)n(Lc)q. The novel material combination consisting of the first compound and the second compound can enable the electroluminescent device to obtain a lower voltage, higher efficiency and an ultra-long lifetime and can provide better device performance. Further provided are a display assembly and a compound combination.

Abstract: Provided is an electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer comprises a first compound having a structure of H-L-E and a second compound comprising a ligand La having a structure of Formula C. Such a new material combination consisting of the first compound and the second compound can obtain higher efficiency in the device, significantly extend a lifetime, and provide better device performance. Further provided are a display assembly comprising the electroluminescent device and a compound combination.

Abstract: Provided is an electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer comprises a first compound having a structure of H-L1-E and a second compound having a general formula of M(La)m(Lb)n(Lc)q, and the device has at least one maximum emission wavelength greater than 630 nm. Such a new material composition consisting of the first compound and the second compound can be used in a light-emitting layer of the electroluminescent device. The new material composition can achieve the emission of deep red light in the device, significantly reduce a drive voltage of the device while significantly improving device efficiency and/or a device lifetime, and provide better device performance. Further provided is a display assembly.

Abstract: Provided is a light-emitting material having a polycyclic ligand. The light-emitting material is a novel metal complex comprising a polycyclic ligand having a structure of Formula 1 and may be used as light-emitting material in an electroluminescent device. These novel metal complexes can greatly red-shift the maximum emission wavelengths of electroluminescent devices and significantly adjust emitting colors of the devices and have very narrow emission spectra and can greatly improve the luminescence saturation of the devices and provide better device performance. Further provided are an electroluminescent device and a compound combination.

Abstract: Provided is a luminescent material having a polycyclic ligand. The luminescent material is a new metal complex having a polycyclic ligand and may be used as luminescent materials in electroluminescent devices. These new metal complexes achieve red light emission, have a very narrow full width at half maximum, and can achieve high saturation luminescence. In addition, these new metal complexes, when used as luminescent materials in electroluminescent devices, can achieve red light emission, have a very narrow full width at half maximum, achieve high saturation luminescence, reduce or maintain a low voltage, greatly improve device efficiency and lifetime, and provide better device performance. Further provided are an electroluminescent device and a compound composition.

Abstract: Disclosed is an organic light-emitting material including a 3-deuterium-substituted isoquinoline ligand. The organic light-emitting material is a metal complex including a 3-deuterium-substituted isoquinoline ligand and an acetylacetonate ligand, which can be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These novel complexes can effectively prolong device lifetime. Further disclosed is an electroluminescent device including the metal complex and a compound formulation.