Abstract: The present disclosure provides an acoustic transducer unit and a manufacturing method thereof, and an acoustic transducer, the acoustic transducer unit includes: a base substrate; a first electrode on the base substrate; a support pattern on a side of the first electrode away from the base substrate, which is enclosed into an accommodation groove, at least one release groove and at least one connection groove, an orthographic projection of the release groove on the base substrate is spaced apart from that of the accommodation groove on the base substrate, the connection groove is between the accommodation groove and the release groove to communicate them; a diaphragm pattern on the side of the first electrode away from the base substrate and capable of vibrating in the accommodation groove; a filling pattern in the release groove; a second electrode on a side of the diaphragm pattern away from the base substrate.

Abstract: Provided are basket with detachable cover plate for air fryer and air fryer having basket with detachable cover plate. The basket includes basket body and handle provided at side of basket body, and top portion of basket body is of opening structure, cover plate matched with opening is provided at opening of basket, and cover plate is detachably installed at opening of basket; the air fryer includes cooking cavity located inside air fryer, and basket and hot air device provided inside cooking cavity, and hot air device is located above basket, when cover plate is installed on basket, interior of basket is hermetically isolated by cover plate from hot air device, and when cover plate is detached from upper opening of basket, interior of basket is in communication with hot air device.

Abstract: The present disclosure provides a quantum dot light emitting diode, including: a first electrode, a second electrode, a quantum dot light emitting layer between the first electrode and the second electrode, an electron transport layer between the quantum dot light emitting layer and the first electrode, and an electron buffer layer between the electron transport layer and the quantum dot light emitting layer; wherein the electron transport layer and the electron buffer layer include a same metal oxide, and an oxygen vacancy concentration in the electron buffer layer is greater than that in the electron transport layer. The embodiment of the present disclosure also provides a manufacturing method for the quantum dot light emitting diode and a display apparatus.

Abstract: A light-emitting substrate includes a base; a first material layer and a second material layer that are disposed on the base, and an etch stop layer between the first material layer and the second material layer. The first material layer is closer to the base than the second material layer. The second material layer includes a plurality of patterns, and each pattern and the first material layer have an overlapping region therebetween. The etch stop layer includes at least portions in respective overlapping regions. A portion of the etch stop layer located in each overlapping region is in contact with the first material layer and the second material layer. Energy level(s) of the portion of the etch stop layer located in each overlapping region are matched with energy levels of the first material layer and the second material layer at corresponding positions.

Abstract: A TBM-mounted surrounding rock wear resistance testing system and method, the system including: a fixing module, arranged on a TBM, the module has a movable end for extending to the surrounding rock of a tunnel; a surrounding rock polishing module on the movable end, the module includes a polishing mechanism for test area; a surrounding rock wear resistance testing module on the movable end, follows the movable end moving the test area, and including a mechanism for testing the wear resistance of the polished test area and a drive mechanism thereof; and a central control module, configured to control the motion states and operations of the fixing module, the surrounding rock polishing module and surrounding rock wear resistance testing module, and determine the wear resistance of the surrounding rock according to the wear resistance test result. The system can polish tunnel surrounding rock during TBM excavation and test wear resistance.

Abstract: Provided are a display panel and a manufacturing method therefor, and a display apparatus. The display panel includes a plurality of sub-pixels of at least two colors and further comprises: a base substrate; a first electrode on the base substrate; an electron transport layer at the side of the first electrode facing away from the base substrate; a quantum dot light-emitting layer at the side of the electron transport layer facing away from the base substrate; and a second electrode at the side of the quantum dot light-emitting layer facing away from the base substrate. Materials of the quantum dot light-emitting layer of the sub-pixels of different colors are different. The electron transport layer is of an alloy heterostructure at least composed of a metal oxide and a metal chalcogenide. Contents of the metal chalcogenide in the alloy heterostructure at positions of the sub-pixels of different colors are different.

Abstract: An air fryer with a steaming function includes a cooking chamber and a water tank arranged inside a housing. A steam generator is also arranged in the air fryer. A heating chamber is provided in the steam generator. The heating chamber in the steam generator is connected to a water tank via a water pump. High-temperature steam produced in the heating chamber of the steam generator is introduced into the cooking chamber. The steam generator is equipped with an over-temperature protector and a temperature sensor. Each of the over-temperature protector, the temperature sensor, the water pump, and the steam generator is electrically connected to the controller.

Abstract: An air fryer having broiling and baking functions comprises a cooking cavity, located in the air fryer, a heat circulation fan and a heating device mounted in an upper part of the cooking cavity; a heating plate, provided at the bottom of the cooking cavity; and a frying basket assembly, provided in the cooking cavity, wherein the frying basket assembly comprises a frying basket body and a broiling board provided at the bottom of the frying basket body, and the broiling board is heated by the heating plate. Further disclosed is a frying basket structure for an air fryer, comprising a frying basket body, located in a cooking cavity inside the air fryer, wherein a hollowed-out opening is provided at bottom of the frying basket body; and a broiling board, detachably fixed at the bottom of the frying basket body and covering the hollowed-out opening.

Abstract: The present disclosure provides a display panel including: a first substrate, a light-emitting element array and a color-conversion layer array, the light-emitting element array includes a plurality of light-emitting elements, the color-conversion layer array includes a plurality of color-conversion layers, the light-emitting elements are used for generating and emitting first color light, the color-conversion layers are used for generating other color light under excitation of the first color light, and the display panel further includes a first band-pass filtering layer between the light-emitting element array and the color-conversion layer array and/or a second band-pass filtering layer positioned on one side, away from the light-emitting element array, of the color-conversion layer array.

Abstract: An insulation or jacket layer for a coated conductor is composed of (A) a crosslinked silane-functional polyolefin, (B) a filler composed of greater than 50 wt % silica, based on the total weight of the filler, (C) a silicone-containing polymer selected from the group consisting of reactive linear silicone-containing polymers, non-reactive linear silicone-containing polymers, and non-reactive branched silicone-containing polymers, and (D) from 0.00 wt % to 20 wt % of a silanol condensation catalyst, based on the total weight of the insulation or jacket layer.

Abstract: A rubberless, strippable, semiconducting composition that includes an ethylene-(carboxylic ester) copolymer having a low comonomeric unit content, carbon black, and a strippability additive combination comprising an amide wax and a silicone oil. Also provided are a cured product made from the composition, methods of making and using same, and articles containing same.

Abstract: A light-emitting device includes: a first electrode and a second electrode that are superposed; an emitting layer (EML) located between the first electrode and the second electrode; and an electron transport layer (ETL) located between the first electrode and the EML. The ETL includes a first surface proximate to the EML and a second surface proximate to the first electrode, oxygen vacancies is formed in the ETL, and a concentration of oxygen vacancies in the ETL gradually increases from the second surface to the first surface.

Abstract: A texture image acquisition circuit, a display panel and a texture image acquisition method. The texture image acquisition circuit includes a charge neutralization circuit and a first acquisition circuit, the charge neutralization circuit is electrically connected to the first acquisition circuit, the charge neutralization circuit receives a first control signal to cause a current flowing through the first acquisition circuit to be a first current, and the charge neutralization circuit is configured to receive a second control signal to cause a current flowing through the first acquisition circuit to be a second current, a direction of the second current and a direction of the first current are opposite to each other; the first acquisition circuit is configured to receive light from a texture and accumulate a first signal amount that is acquired after the light from the texture is converted, so as to acquire a first acquisition value.

Abstract: The present disclosure describes aspects of a conductive receptacle collar for desense mitigation. In aspects, an apparatus comprises a printed circuit board assembly (PCBA) that includes an integrated circuit with signal lines for a wired data interface. The apparatus also includes a coupling component with a receptacle for the wired data interface and an enclosure in which the PCBA is mounted. The enclosure has an opening through which the receptacle for the wired data interface is exposed. A conductive collar is disposed between an exterior surface of the receptacle and an interior surface of this opening. The conductive collar contacts the receptacle's exterior surface and the interior surface of the opening to electrically couple these respective surfaces. By so doing, the conductive collar improves grounding of the receptacle to the enclosure, which may mitigate the desense of the apparatus's wireless receivers caused by operation of the wired data interface.

Abstract: An embodiment of the present disclosure provides a method for driving an acoustic transducer, including: obtaining a reference electrical signal according to a first electrical signal output by a first acoustic transducer element in a case where sound waves are not received by the first acoustic transducer element; obtaining an actual detected electrical signal according to a second electrical signal output by a second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element; and performing a noise reduction process on the actual detected electrical signal according to the reference electrical signal to obtain a noise-reduced signal as a final output electrical signal of the second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element. An embodiment of the present disclosure further provides an acoustic transducer.

Abstract: Disclosed are a quantum dot material, a quantum dot light emitting device, a display apparatus and a manufacturing method. The quantum dot material includes: a quantum dot, an anionic ligand, and a linking group linking the quantum dot and the anionic ligand, wherein the anionic ligand is configured to bind to a ring molecule by electrostatic force.

Abstract: The present disclosure provides an acoustic transducer, including: a base substrate and a plurality of acoustic transducer elements located on the base substrate. The acoustic transducer element includes: a switch and an acoustic transducer unit. A first terminal of the switch is electrically connected to a control signal line, and a second terminal of the switch is electrically connected to the acoustic transducer unit located in the same acoustic transducer element as the switch. The switch is configured to control connection and disconnection between the acoustic transducer unit located in the same acoustic transducer element as the switch and the control signal line. An embodiment of the present disclosure further provides a method for manufacturing the acoustic transducer.

Abstract: The present disclosure provides a steam-type air fryer, which has a steam system, a steam conveying structure, a water tank structure, a steam-generator heat dissipation structure, and a steam-generator cleaning structure, and relates to the technical field of steam-type air fryers.

Abstract: A texture image acquisition method, a texture image acquisition circuit and a display panel are provided. The texture image acquisition circuit includes a photosensitive circuit, the texture image acquisition method includes: allowing the photosensitive circuit to receive light from a texture, and obtaining a first curve based on a signal amount accumulated by the photosensitive circuit within a first integral time period, the first curve being a time-varying curve of a residual signal amount which is a signal amount remaining after a signal amount, left over by the photosensitive circuit before the first integral time period, is released over time; obtaining a first acquisition value based on a signal amount accumulated by the photosensitive circuit within a second integral time period which is after the first integral time period; obtaining a first photosensitive signal of an image of the texture; based on the first curve and the first acquisition value.