Abstract: The disclosure relates to a quantum dot light-emitting diode device and a manufacturing method and an apparatus thereof, which are used to alleviate the problem of interface quenching caused by the large density of the defect state of nanoparticles of the electron transport layer in the prior art. The method includes: dissolving a polyelectrolyte and nanoparticles having inorganic semiconductor properties to form a first mixed solution; depositing the first mixed solution on one surface of the formed quantum dot light-emitting layer to form an electron transport layer containing the polyelectrolyte and the nanoparticles. The end groups carried by at least a portion of the polyelectrolyte are capable of filling surface defects of the nanoparticles in the electron transport layer.

Abstract: An LED chip provided by an embodiment includes a first semiconductor layer; an active layer and a second semiconductor layer located sequentially on the first semiconductor layer. A first contact electrode extends through the active layer and the second semiconductor layer and is electrically connected to the first semiconductor layer; a second contact electrode is located on the second semiconductor layer and is electrically connected to the second semiconductor layer; a first extension electrode is located on the first contact electrode and is electrically connected to the first contact electrode, the first extension electrode comprises a plurality of concave spots for soldering; and a second extension electrode is located on the second contact electrode, electrically connected to the second contact electrode and isolated from the first extension electrode, and the second extension electrode includes a plurality of concave spots for soldering.

Abstract: The present disclosure relates to a pixel circuit, a compensation method and a display device. The pixel circuit includes a first switching circuit for supplying a data voltage to a first node in response to a first scan signal being valid, a second switching circuit for conductively connecting a sensing signal line with a second node in response to a second scan signal being valid, a reset circuit for supplying a reset voltage to the sensing signal line in response to a reset control signal being valid, a light-emitting element, and a driving transistor for enabling, when the light-emitting element emits light, the sensing signal line to be charged in response to the second scan signal being valid and the reset control signal being invalid, the voltage of the sensing signal line is sensed after it was charged so as to compensate the data voltage.

Abstract: The present application relates to a light emitting diode chip including: a first semiconductor layer and a second semiconductor layer. The first semiconductor layer and the second semiconductor layer are laminated to each other, and have an exposed upper surface respectively. An electrode is provided on the upper surfaces of the first semiconductor layer and the second semiconductor layer respectively. The electrode has a first recess in a direction perpendicular to the upper surface.

Abstract: A method for manufacturing a micro-LED display screen includes: forming an N-type GaN layer, a quantum-well light-emitting layer, and a P-type GaN layer on a sapphire substrate sequentially; etching the P-type GaN layer, the quantum-well light-emitting layer, and the N-type GaN layer from top to bottom, to form a first trench; forming an ITO layer on the surface of the P-type GaN layer, and etching the ITO layer to form a second trench; generating an N-type contact electrode in the first trench; generating a reflective electrode having a longitudinal cross-section in a shape with a wide upper side and a narrow lower side, respectively, on an upper surface of the N-type contact electrode and in the second trench; depositing an insulating layer on a surface of the micro-LED chip, and etching the insulating layer to expose the reflective electrodes; and soldering a driving circuit substrate to the reflective electrode.

Abstract: A method for data compression includes acquiring compensation data, comparing the compensation data with preset base value data to obtain a compensation data deviation, and performing an encoding compression on the compensation data deviation to obtain compressed data.

Abstract: A method for improving the seismic performance of bridges by utilizing the beam body and an energy dissipation and seismic mitigation bridge bearing, which can effectively eliminate the harmful vibration of the bridge pier in the inherent frequency band, thus reducing the stress of the pier body and improving the seismic performance of the bridge pier without introducing external additional mass and looking for an installation space on the pier. The method includes the following steps: obtain the natural frequency fi, the equivalent modal mass Mi and the modal stiffness Ki of the pier in the longitudinal or transverse direction by numerical modal analysis or experimental modal test; determine the mass mi of the beam body; calculate the connection stiffness ki and the connection damping ci between the beam body and the pier; select the bearing system with above connection stiffness ki and the connection damping ci.

Abstract: A method for detecting a threshold voltage of a driving transistor includes: obtaining at least one first threshold voltage of at least one driving transistor when each driving transistor is driven by a corresponding first driving signal; obtaining a threshold reference voltage of the driving transistor according to the at least one first threshold voltage; obtaining a second driving signal of the driving transistor according to the threshold reference voltage and the first driving signal of the driving transistor, a value of the second driving signal being greater than a value of the first driving signal; and obtaining a second threshold voltage of the driving transistor when the driving transistor is driven by the second driving signal.

Abstract: The present invention discloses a compact integrated deuterium-deuterium (D-D) neutron generator. A hemispherical metal head is disposed inside a cylindrical ceramic shell of the generator and is provided therein with an ion source and an ion source power supply. An inner ceramic insulated cylinder and an outer ceramic insulated cylinder are disposed between a metal plate of the metal head and a baseplate of the generator, and an isolated power supply system and a high-voltage power supply are disposed between the inner ceramic insulated cylinder and the outer ceramic insulated cylinder. A rear end of an extraction accelerating electrode disposed inside the inner ceramic insulated cylinder protrudes from the generator and is then connected to a target holder disposed outside the baseplate. A target is disposed inside the target holder, the target is at ground potential, and a cooling water interface is disposed on the target holder.

Abstract: The present application discloses a driving backplane, a method for producing the same and a display device. The driving backplane includes: a substrate; a first insulating film layer disposed on the substrate and including a first region and a second region; an extended anode disposed on a side of the first region of the first insulating film layer, a height of the extended anode matching a height of a cathode of a light-emitting chip; and an extended cathode disposed on a side of the second region of the first insulating film layer, a height of the extended cathode matching a height of an anode of the light-emitting chip.

Abstract: The present disclosure provides a printed circuit board including a plurality of conductive layers separated by insulating medium and a plurality of connection structures. Each connection structure penetrates each of the conductive layers. The plurality of conductive layers comprises a first conductive layer in which first signal lines are located and a second conductive layer in which second signal lines are located, and the first and second signal lines are connected via the connection structures. Anti-pads surrounding the connection structures are provided on others of the plurality of conductive layers except the first and the second conductive layers. For a same connection structure, the anti-pads surrounding the connection structure include adjacent anti-pads and nonadjacent anti-pads. Size of the adjacent anti-pads in any direction parallel to the conductive layers is smaller than that of the nonadjacent anti-pads. The present disclosure also provides a display apparatus.

Abstract: In representative embodiments, multiple cloud computing infrastructures, each having its own application and management fabric, coexist with in the same cloud computing infrastructure. This results in a cloud computing infrastructure where multiple management fabrics and application fabrics coexist to offer their own services and cross platform services. Each functions independently and also communicates with each other to offer high availability and disaster recovery. One application and management infrastructure is a host to the other application and management infrastructure. The hosted infrastructure accesses underlying fabrics through the host infrastructure. A resultant system comprises a common hardware fabric, a common runtime, and a service fabric comprising services from both the host and hosted infrastructures.

Abstract: The present disclosure relates to a pixel circuit, a compensation method and a display device. The pixel circuit includes a first switching circuit for supplying a data voltage to a first node in response to a first scan signal being valid, a second switching circuit for conductively connecting a sensing signal line with a second node in response to a second scan signal being valid, a reset circuit for supplying a reset voltage to the sensing signal line in response to a reset control signal being valid, a light-emitting element, and a driving transistor for enabling, when the light-emitting element emits light, the sensing signal line to be charged in response to the second scan signal being valid and the reset control signal being invalid, the voltage of the sensing signal line is sensed after it was charged so as to compensate the data voltage.

Abstract: A light emitting diode (LED) display device includes a plurality of pixel units. Each of the plurality of pixel units includes a red subpixel, a green subpixel, and a blue subpixel. The red subpixel is arranged with a first LED chip, the green subpixel is arranged with a second LED chip, and the blue subpixel is arranged with a third LED chip. The first LED chip is a blue LED chip or a green LED chip. The second LED chip is the green LED chip. The third LED chip is the blue LED chip. The red subpixel is further arranged with a red light conversion block arranged on the first LED chip.

Abstract: The present disclosure provides a light conversion substrate and a manufacturing method thereof, and a display panel. The light conversion substrate may include a substrate having a first surface and a second surface arranged opposite to each other. A plurality of first grooves may be defined on the first surface of the substrate. A plurality of second grooves may be defined on the second surface of the substrate. The plurality of first grooves and the plurality of second grooves are arranged alternately. A first light conversion body may be arranged in each of the plurality of first grooves. A second light conversion body ma be arranged in each of the plurality of second grooves. In the present disclosure, light conversion materials may not interfere with each other during the manufacturing method, so that the present disclosure may be suitable for a display panel with high pixel density.

Abstract: The present application discloses a display panel. The display panel comprises a substrate and a plurality of pixel units disposed on the substrate, each of the plurality of pixel units comprises a plurality of sub-pixel units, each of the plurality of sub-pixel units comprises a light emitting layer, the plurality of sub-pixel units comprise at least one first type of sub-pixel unit, and the at least one first type of sub-pixel unit further comprises a first light processing layer, the first light processing layer comprises a light conversion layer and a light diffusion layer arranged as a laminated structure, and the first light processing layer is positioned at a side where a light emitting surface of the light emitting, layer of the at least one first type of sub-pixel unit is located.

Abstract: The present disclosure provides a display panel including a substrate; and a plurality of pixel units arranged on the substrate; wherein each of the plurality of pixel units includes a plurality of sub-pixel units including at least one first type of sub-pixel unit; each of the plurality of sub-pixel units includes a light emitting layer; the at least one first type of sub-pixel unit includes a first light processing layer; the first light processing layer includes at least a light diffusion material and a light conversion material mixed with each other; and the first light processing layer is located on a side of a light emitting surface of the light emitting layer at the at least one first type of sub-pixel unit. By the above-mentioned manner, the uniformity of light conversion by the light emitting layer may be improved, thereby the display effect of the display panel may be improved.

Abstract: A method for manufacturing an LED display device and an LED display device are provided. The method includes following operations. An LED array substrate and a conversion plate are provided. The LED array substrate includes a driving layer, a plurality of LED chips arranged in an array on a side of the LED array substrate having the driving layer. The conversion plate includes a substrate and a plurality of light conversion blocks, the plurality of light conversion blocks are spaced apart from each other and arranged on the substrate. A side of the conversion plate having the light conversion blocks is adhered with a side of the LED array substrate having the LED chips correspondingly, such that the light conversion blocks are arranged on corresponded top surfaces of the LED chips. The substrate is removed.

Abstract: A method for processing a display image in an image display region, a display image processing device, a display device, and a storage medium are disclosed. A part of the image display region or all of the image display region is a movable region, and the method for processing the display image includes: in a case where the movable region is moved from a first position to a second position, obtaining a first image feature value of the display image displayed in the image display region where the movable region is at the first position; obtaining a second image feature value of the display image displayed in the image display region where the movable region is at the second position; and determining whether the display image displayed in the image display region is a static image based on the first image feature value and the second image feature value.

Abstract: A chromaticity compensation method, a chromaticity compensation device and a storage medium are disclosed. The chromaticity compensation method includes that, according to a preset standard chromaticity value and measured chromaticity values corresponding to a plurality of sub-display regions in a display region, chromaticity compensation values of the sub-display regions are determined, and the display region is divided into the plurality of sub-display regions in close arrangement, and each of the sub-display regions includes a plurality of sub-pixels; a data smoothing treatment is performed between the chromaticity compensation values of the sub-display regions that are adjacent, so as to determine the smoothed chromaticity compensation values of the sub-pixels in the sub-display regions; and upon display, chromaticity compensation of the sub-pixels are performed by adopting the smoothed chromaticity compensation values.