Abstract: Provided are a keyword extraction method applicable to a Word text, an electronic device, and a computer-readable storage medium. The method includes: acquiring a text and extracting a body of the text; extracting a set number of keywords in the body by a TFIDF algorithm and a set number of keywords in the body by a TextRank algorithm, respectively; acquiring a text name and a text title of the text and segmenting the text name and the text title into words of the text name and words of the text title; constructing text feature vectors of the text and inputting the text feature vectors into a trained keyword extraction model; and extracting a keyword set from the keywords extracted by the TextRank algorithm by using the keyword extraction model to achieve text keyword extraction.

Abstract: Provided are a text duplicate checking method, an electronic device and a computer-readable storage medium. The method includes storing a fingerprint set and a corresponding text ID in a byte data manner to obtain a fingerprint library; acquiring a target text and creating a target fingerprint; obtaining a comparison fingerprint set from map memories according to the target fingerprint, and calculating a similarity between the target fingerprint and each comparison fingerprint in the comparison fingerprint set separately; and based on a determination result that a number of 1s in binary values of one similarity is less than or equal to a preset value, querying a text ID corresponding to the one similarity, to implement duplicate checking of the target text.

Abstract: A light-emitting device is provided. The light-emitting device includes a first electrode, an electron transport adjustment layer, a quantum dot light-emitting layer and a second electrode that are arranged in sequence. The electron transport adjustment layer is configured to adjust a number of electrons transported from the first electrode to the quantum dot light-emitting layer.

Abstract: Embodiments of the present disclosure provide a preparation method of a quantum dot light emitting device and a preparation method of a quantum dot display panel, which includes: providing a base substrate; forming a first sacrificial layer on the base substrate; patterning the first sacrificial layer to form a first sacrificial layer pattern, in which the base substrate includes a first part and a second part, the first sacrificial layer pattern is on the first part, the second part is exposed by the first sacrificial layer pattern; forming a first quantum dot material layer on the base substrate; stripping the first sacrificial layer pattern to remove the first sacrificial layer pattern, the first quantum dot material layer on the first sacrificial layer pattern, and retaining the first quantum dot material layer on the second part of the base substrate to form a first quantum dot light emitting layer.

Abstract: A method of patterning a light-emitting layer and a method of manufacturing a light-emitting diode device are provided, including: providing a substrate; forming a first electrode layer on the substrate; forming a sacrificial layer on the first electrode layer; patterning the sacrificial layer to remove the sacrificial layer in a first region of the substrate and retain the sacrificial layer in a second region of the substrate, the first electrode layer is at least partially located in the first region; forming a first carrier auxiliary layer in the first region and the second region; forming a light-emitting layer on the first carrier auxiliary layer, and removing the retained sacrificial layer in the second region and the first carrier auxiliary layer and the light-emitting layer covering the retained sacrificial layer, and retaining the first carrier auxiliary layer and the light-emitting layer in the first region, to pattern the light-emitting layer.

Abstract: A light-emitting substrate includes a substrate and a first light-emitting device. The first light-emitting device includes a first electrode, a first functional layer, a first light-emitting pattern and a second electrode that are sequentially disposed in a direction away from the substrate. The first functional layer is in contact with the first light-emitting pattern. The first light-emitting pattern includes a first light-emitting material. The first light-emitting material includes first light-emitting particles and first ligands combined with the first light-emitting particles. The first functional layer includes a first functional material. The first functional material includes first functional particles and second ligands combined with the first functional particles. A development characteristic of the first ligands is same as a development characteristic of the second ligands.

Abstract: A light emitting device, including a first electrode, a first carrier transport layer, a light emitting layer, a second carrier transport layer, and a second electrode, in this order, where a rate of injecting first carriers into the light emitting layer by the first carrier transport layer is greater than a rate of injecting second carriers into the light emitting layer by the second carrier transport layer; the light emitting device further includes an interface layer on a side of the light emitting layer close to the second carrier transport layer; the interface layer includes a first material, which is capable of reacting with the first carriers under a preset condition, such that an energy level of the first material is changeable; and a transport rate of the first carriers in the interface layer is less than a transport rate of the first carriers in the first carrier transport layer.

Abstract: Embodiments of the present disclosure provide a quantum dot light emitting device, a preparation method thereof and a quantum dot display panel, the method includes: forming a first function layer; forming a first sacrificial layer and a first photoresist layer; patterning the first photoresist layer; patterning the first sacrificial layer, the first function layer includes a first part and a second part, and the first sacrificial layer pattern and the first photoresist pattern are stacked on the first part, the second part is exposed by the first sacrificial layer pattern and the first photoresist pattern; forming a first quantum dot material layer; stripping the first sacrificial layer pattern to remove the first sacrificial layer pattern, the first photoresist pattern and the first quantum dot material layer on the first sacrificial layer pattern, retaining the first quantum dot material layer on the second part of the first function layer.

Abstract: Embodiments of the present disclosure provide a quantum dot ligand, a quantum dot material, and a quantum dot light emitting device. In a quantum dot ligand of general formula (I), n is 1, 2, 3, or 4; two of X, Y, and Z are G1 group and G2 group, respectively, and the remaining one is selected from the group consisting of G1 group, G2 group, and hydrogen, wherein the G1 group, for each occurrence, is independently selected from —(CH2)m-L-(CH2)n—R1, wherein R1 is a coordination group, m is 0 to 6, n is 0 to 6, and L is a divalent group or absent; the G2 group, for each occurrence, is independently selected from a C4-20 alkyl having a carbon chain with more than 4 carbon atoms.

Abstract: The present application provides a light emitting device and a producing method thereof, and a display device, which relates to the technical field of displaying, and may solve the problem of quantum-dot remaining. A light emitting device, wherein the light emitting device includes: a plurality of light emitting areas that are arranged in an array, and non-light emitting areas between neighboring light emitting areas; each of the light emitting areas includes an inorganic electron transporting layer, an organic electron transporting layer and a quantum-dot layer that are arranged sequentially in layer configuration; and an absolute value of a difference between an energy value of a lowest unoccupied molecular orbital of the inorganic electron transporting layer and an energy value of a lowest unoccupied molecular orbital of the organic electron transporting layer is less than or equal to a preset value.

Abstract: Disclosed are a light-emitting device and a preparation method thereof, a display panel and a display device. The light-emitting device includes: a substrate; an auxiliary layer and a quantum dot layer that are arranged in sequence on one side of the substrate; the auxiliary layer has a first group and a second group, the first group and a surface group of the substrate are bound with each other through a chemical reaction, the second group and ligands of quantum dots in the quantum dot layer are bound with each other through a chemical reaction, and a binding force between the auxiliary layer and the substrate is smaller than a binding force between the quantum dots and the auxiliary layer.

Abstract: The present disclosure provides a quantum dot light-emitting device, a manufacturing method thereof and a display device, belongs to the field of display technology, and can solve problems of low luminous efficiency, unstable performance and short service life of conventional quantum dot light-emitting devices. The quantum dot light-emitting device of the present disclosure includes: a first electrode, a hole transport layer, a quantum dot light-emitting layer, an electron transport layer and a second electrode, which are sequentially stacked, and materials of the hole transport layer, the quantum dot light-emitting layer and the electron transport layer are all inorganic materials; and the hole transport layer includes a first hole transport layer and a second hole transport layer which are sequentially stacked, the first hole transport layer is at a side close to the first electrode, and a material of the second hole transport layer includes an inorganic perovskite material.

Abstract: Embodiments of the present disclosure provide a quantum dot ligand, a quantum dot material, and a quantum dot light emitting device. In a quantum dot ligand of general formula (I), n is 1, 2, 3, or 4; two of X, Y, and Z are G1 group and G2 group, respectively, and the remaining one is selected from the group consisting of G1 group, G2 group, and hydrogen, wherein the G1 group, for each occurrence, is independently selected from —(CH2)m-L-(CH2)n—R1, wherein R1 is a coordination group, m is 0 to 6, n is 0 to 6, and L is a divalent group or absent; the G2 group, for each occurrence, is independently selected from a C4-20 alkyl having a carbon chain with more than 4 carbon atoms.

Abstract: The present disclosure relates to a ligand for a quantum dot, a ligand quantum dot, a quantum dot layer and a method for patterning the same. The surface of the ligand quantum dot of the present disclosure is connected with the cleavage-type ligand including a first ligand unit A, a cleavage unit B, and an adhesion adjusting unit C. The method includes: providing a substrate; coating a mixture containing the ligand quantum dot on the substrate to form a quantum dot film; exposing a preset region of the quantum dot film to ultraviolet light, so that the cleavage unit B in the cleavage-type ligand undergoes a photolysis reaction, and a molecular segment containing the adhesion adjusting unit C and obtained after decomposition is detached from a surface of the quantum dot; and washing off an unexposed region of the quantum dot film with an organic solvent, followed by drying.

Abstract: A method for patterning a quantum dot layer comprises: forming, on a substrate (1), a front film layer and a sacrificial layer (5) which are stacked in sequence, wherein one of the sacrificial layer and the front film layer is hydrophilic, and the other of the sacrificial layer and the front film layer is hydrophobic; forming a photoresist (6) having a through hole on the sacrificial layer, wherein the through hole corresponds to a target region, and etching the sacrificial layer in the target region under the shielding of the photoresist; laying a quantum dot material, and curing the quantum dots material of the target region; and removing the remaining sacrificial layer and the photoresist, and forming a patterned quantum dot layer in the target region.

Abstract: A method for manufacturing a quantum dot film is provided. A substrate plate is provided. A plurality of quantum dot material layers capable of emitting light having different colors are sequentially formed on the substrate plate, wherein at least one of the quantum dot material layers includes a plurality of quantum dots. A local crosslinking process is performed on at least one of the quantum dot material layers, so as to crosslink the crosslinkable ligands in a region emitting light having a corresponding color in the quantum dot material layer. A fluorescence quenching process is performed on the quantum dot material layer subjected to the local crosslinking process, so as to quench the fluorescence of quantum dots outside the region emitting light having the corresponding color in the quantum dot material layer. A display panel and a method for manufacturing the same are also provided.

Abstract: Provided are a keyword extraction method applicable to a Word text, an electronic device, and a computer-readable storage medium. The method includes: acquiring a text and extracting a body of the text; extracting a set number of keywords in the body by a TFIDF algorithm and a set number of keywords in the body by a TextRank algorithm, respectively; acquiring a text name and a text title of the text and segmenting the text name and the text title into words of the text name and words of the text title; constructing text feature vectors of the text and inputting the text feature vectors into a trained keyword extraction model; and extracting a keyword set from the keywords extracted by the TextRank algorithm by using the keyword extraction model to achieve text keyword extraction.

Abstract: Provided are a text duplicate checking method, an electronic device and a computer-readable storage medium. The method includes storing a fingerprint set and a corresponding text ID in a byte data manner to obtain a fingerprint library; acquiring a target text and creating a target fingerprint; obtaining a comparison fingerprint set from map memories according to the target fingerprint, and calculating a similarity between the target fingerprint and each comparison fingerprint in the comparison fingerprint set separately; and based on a determination result that a number of 1 s in binary values of one similarity is less than or equal to a preset value, querying a text ID corresponding to the one similarity, to implement duplicate checking of the target text.

Abstract: Embodiments of the present disclosure provide a quantum dot ligand, a quantum dot material, and a quantum dot light emitting device. In a quantum dot ligand of general formula (I), n is 1, 2, 3, or 4; two of X, Y, and Z are G1 group and G2 group, respectively, and the remaining one is selected from the group consisting of G1 group, G2 group, and hydrogen, wherein the G1 group, for each occurrence, is independently selected from —(CH2)m-L-(CH2)n—R1, wherein R1 is a coordination group, m is 0 to 6, n is 0 to 6, and L is a divalent group or absent; the G2 group, for each occurrence, is independently selected from a C4-20 alkyl having a carbon chain with more than 4 carbon atoms.

Abstract: Disclosed are a quantum dot display panel, a manufacturing method thereof and a display device. The manufacturing method includes: forming a first functional layer on a substrate; processing the first functional layer so that the first functional layer includes a processed region and the processed region includes ions having a first polarity; forming a quantum dot layer having a second polarity in the processed region. The second polarity and the first polarity are opposite electrical polarities.