Abstract: Disclosed are a light-emitting device, a display panel, a display apparatus and a method for manufacturing a light-emitting device. The light-emitting device includes a first film layer, a light-emitting structure, and a second electrode layer. Where the first film layer includes a middle portion, and an edge portion surrounding the middle portion; the light-emitting structure includes an organic light-emitting layer and a flat portion, the flat portion is located in a region where a smaller one of the first distance and the second distance is located, and the flat portion matches with a contact film layer in energy level, so that after being filled with the flat portion, a film thickness between a surface of the light-emitting structure facing away from the first film layer and the base substrate is consistent.

Abstract: A color film substrate, a fabrication method therefor, and a display device. The color film substrate comprises a base substrate (1); a black matrix (2) is located on one side of the base substrate (1), the black matrix (2) having a plurality of pixel openings (21); a quantum dot color film layer (31, 32, 33) is located in the pixel openings (21) and comprises an ultraviolet light-curable quantum dot material; and a light conversion structure (4), which is located between a side wall of the black matrix (2) and a side wall of the quantum dot color film layer (31, 32, 33). When a quantum dot solution is UV cured, the light conversion structure (4) may convert ultraviolet light of 395 nm into ultraviolet light that has a shorter wavelength and higher energy.

Abstract: Techniques for securely storing and processing data for training data generation are provided. In one technique, multiple encrypted records are retrieved from a first persistent storage. For each encrypted record, that record is decrypted in memory to generate a decrypted record that comprises multiple attribute values. Then, based on the attribute values and a definition of multiple features of a machine-learned model, multiple feature values are generated and stored, along with a label, in a training instance, which is then stored in a second persistent storage. One or more machine learning techniques are used to train the machine-learned model based on training data that includes the training instances that are stored in the second persistent storage.

Abstract: A display panel includes: a first base substrate; a light emitting device layer located at a side of the first base substrate, including three light emitting devices respectively located in three sub-pixels; a thin film encapsulation layer located at a side of the light emitting device layer away from the first base substrate; a color filter layer located at a side of the color conversion layer away from the first base substrate, and at least including a first light shielding pattern, a first color filter pattern and a second color filter pattern, wherein the first light shielding pattern defines a plurality of light transmitting areas; a color conversion layer located between the light emitting device layer and the color filter layer, and including a first color conversion pattern, a second color conversion pattern and a transmission pattern respectively located within three sub-pixels.

Abstract: A display panel includes a light-emitting substrate, a first wavelength conversion layer and a second wavelength conversion layer. The light-emitting substrate includes multiple light-emitting structures corresponding to the pixels respectively, at least one light-emitting structure includes one or more first light-emitting layers emitting a first waveband light and one or more second light-emitting layers emitting a second waveband light laminated one on another, and a wavelength of the first waveband light is smaller than a wavelength of the second waveband light. The first wavelength conversion layer has multiple first wavelength conversion patterns corresponding to the light-emitting structures, the first wavelength conversion patterns are configured to perform up-conversion on the second waveband light emitted through the second light-emitting layers. The second wavelength conversion layer has multiple second wavelength conversion patterns corresponding to the light-emitting structures.

Abstract: A display panel includes: a driving substrate, a pixel definition layer, multiple light-emitting elements, a first encapsulation layer, a transparent heat insulation layer, a pixel isolation structure and a color conversion layer. The pixel definition layer includes multiple first pixel partitions arranged in an array form, and multiple first pixel regions are enclosed by adjacent first pixel partitions. The transparent heat insulation layer is arranged on a side of the first encapsulation layer away from the driving substrate, an orthographic projection of the transparent heat insulation layer onto the driving substrate at least covers an orthographic projection of each first pixel region onto the driving substrate. The pixel isolation structure includes multiple second pixel partitions arranged in an array form, multiple second pixel regions are enclosed by adjacent second pixel partitions.

Abstract: A light-emitting device includes: a light-emitting element; a light conversion layer disposed on a light exit side of the light-emitting element and including a first portion and a second portion located on a side of the first portion in a first direction; a first material layer disposed between the light-emitting element and the light conversion layer and configured such that light emitted by the light-emitting element is incident into the light conversion layer; and a second material layer on a side of the first material layer in the first direction, a third material layer on a side face of the light conversion layer, and a fourth material layer on a side of the light conversion layer away from the light-emitting element, which are configured such that light unconverted by the light conversion layer is reflected on surfaces of a structure formed by the second, third and fourth material layers.

Abstract: Embodiments of the present disclosure relate to a color filter structure, a preparation method of the color filter structure, and a display panel, the color filter structure includes a plurality of color control units, and a pixel definition layer defining the plurality of color control units, the plurality of color control units are respectively defined in a plurality of openings divided by the pixel definition layer; the pixel definition layer includes a plurality of spacers, each of the plurality of spacers separates two of the plurality of color control units from each other; an auxiliary part is on at least one side wall of at least one of the spacers that faces one of the color control units corresponding to the at least one of the spacers; compactability of the auxiliary part is greater than or equal to that of a bottom of the at least one of the spacers.

Abstract: Provided are a display panel and a display apparatus. The display panel includes a pixel definition layer on a first base substrate and including first barriers and second barriers, the first and second barriers defining first accommodating portions; light emitting devices arranged in first accommodating portions in a one-to-one correspondence; a first encapsulation layer covering the pixel definition layer and the light emitting devices; a color conversion layer on a side of the first encapsulation layer away from the first base substrate, and including light emergent portions; and a first light shielding pattern between the first encapsulation layer and the color conversion layer and including first light shielding strips extending in a first direction and second light shielding strips extending in a second direction.

Abstract: Provided are a display panel and a method for manufacturing the same, and a display device. The display panel includes: a first base substrate; color control units on a side of light-emitting units away from the first base substrate, the color control units correspond to the light-emitting units one to one; at least part of the light-emitting units are each provided with a diaphragm structure, the diaphragm structures are located between the light-emitting units and the color control units, each diaphragm structure is provided with a light passing portion therein; each diaphragm structure is configured to block light from the light-emitting unit and directed to the color control units not corresponding to the light-emitting unit, and allow part of light from the light-emitting unit and directed to the color control unit corresponding to the light-emitting unit to be transmitted at the light passing portion corresponding to the light-emitting unit.

Abstract: A display panel includes a first base substrate, a plurality of light sources on the first base substrate, a second base substrate opposite to the first base substrate, a light conversion structure on the second base substrate, a plurality of extinction structures on a side of the light conversion structure facing the first base substrate, a first channel formed between any two adjacent extinction structures, a plurality of first optical structures on a side of the light conversion structure facing the first base substrate, wherein the plurality of first optical structures are respectively located in the first channels each between any two adjacent extinction structures, and a filler portion between the plurality of light sources and the plurality of first optical structures. The filler portion contains a material with a refractive index greater than that of a material of the first optical structure, and the extinction structure contains light-absorbing material.

Abstract: A display panel includes: multiple light-emitting devices arranged on a substrate, each light-emitting device includes a first electrode, multiple light-emitting units and a second electrode sequentially arranged in a direction away from the substrate, a microcavity structure is formed between the first electrode and the second electrode, the light-emitting unit includes a light-emitting layer, light-emission colors of at least two light-emitting layers in the same light-emitting device are different, and at least one light-emitting device includes a cavity length adjusting layer; and a color conversion layer including multiple wavelength conversion units, each wavelength conversion unit corresponds to a light-emitting device having the cavity length adjusting layer, the wavelength conversion unit is arranged on a light outlet side of the light-emitting device, at least one light-emission peak in a light-emission band of the light-emitting device is less than or equal to an intrinsic light-emission peak of a

Abstract: A color film substrate, a fabrication method therefor, and a display device. The color film substrate comprises a base substrate (1); a black matrix (2) is located on one side of the base substrate (1), the black matrix (2) having a plurality of pixel openings (21); a quantum dot color film layer (31, 32, 33) is located in the pixel openings (21) and comprises an ultraviolet light-curable quantum dot material; and a light conversion structure (4), which is located between a side wall of the black matrix (2) and a side wall of the quantum dot color film layer (31, 32, 33). When a quantum dot solution is UV cured, the light conversion structure (4) may convert ultraviolet light of 395 nm into ultraviolet light that has a shorter wavelength and higher energy.

Abstract: A light-emitting device includes: a light-emitting element; a light conversion layer disposed on a light exit side of the light-emitting element and including a first portion and a second portion located on a side of the first portion in a first direction; a first material layer disposed between the light-emitting element and the light conversion layer and configured such that light emitted by the light-emitting element is incident into the light conversion layer; and a second material layer on a side of the first material layer in the first direction, a third material layer on a side face of the light conversion layer, and a fourth material layer on a side of the light conversion layer away from the light-emitting element, which are configured such that light unconverted by the light conversion layer is reflected on surfaces of a structure formed by the second, third and fourth material layers.

Abstract: The disclosed embodiments provide a system that identifies duplicate entities. During operation, the system selects training data for a first machine learning model based on confidence scores representing likelihoods that pairs of entities in an online system are duplicates. Next, the system updates parameters of the first machine learning model based on features and labels in the training data. The system then identifies a first subset of additional pairs of the entities as duplicate entities based on scores generated by the first machine learning model from values of the features for the additional pairs and a first threshold associated with the scores. The system also determines a canonical entity in each of the duplicate entities based on additional features. Finally, the system updates content outputted in a user interface of the online system based on the identified first subset of the additional pairs.

Abstract: Techniques for securely storing and processing data for training data generation are provided. In one technique, multiple encrypted records are retrieved from a first persistent storage. For each encrypted record, that record is decrypted in memory to generate a decrypted record that comprises multiple attribute values. Then, based on the attribute values and a definition of multiple features of a machine-learned model, multiple feature values are generated and stored, along with a label, in a training instance, which is then stored in a second persistent storage. One or more machine learning techniques are used to train the machine-learned model based on training data that includes the training instances that are stored in the second persistent storage.

Abstract: A display panel includes a first base substrate, a plurality of light sources on the first base substrate, a second base substrate opposite to the first base substrate, a light conversion structure on the second base substrate, a plurality of extinction structures on a side of the light conversion structure facing the first base substrate, a first channel formed between any two adjacent extinction structures, a plurality of first optical structures on a side of the light conversion structure facing the first base substrate, wherein the plurality of first optical structures are respectively located in the first channels each between any two adjacent extinction structures, and a filler portion between the plurality of light sources and the plurality of first optical structures. The filler portion contains a material with a refractive index greater than that of a material of the first optical structure, and the extinction structure contains light-absorbing material.

Abstract: The disclosed embodiments provide a system that identifies duplicate entities. During operation, the system selects training data for a first machine learning model based on confidence scores representing likelihoods that pairs of entities in an online system are duplicates. Next, the system updates parameters of the first machine learning model based on features and labels in the training data. The system then identifies a first subset of additional pairs of the entities as duplicate entities based on scores generated by the first machine learning model from values of the features for the additional pairs and a first threshold associated with the scores. The system also determines a canonical entity in each of the duplicate entities based on additional features. Finally, the system updates content outputted in a user interface of the online system based on the identified first subset of the additional pairs.