Abstract: A display panel is provided. The display panel includes a substrate, and a plurality of pixel units and an organic insulating layer disposed on the substrate. The organic insulating layer is disposed between a driver circuit and a light-emitting unit of the pixel unit. A lens assembly is arranged on a surface, away from the substrate, of a portion of the organic insulating layer within a light-emitting region of any of the plurality of pixel units. The lens assembly comprises a plurality of lenses with adjacent lenses forming taper structures. A first surface and a second surface, away from the substrate, of the taper structure are configured to reflect light, that is confined to the interior of the display panel, to a light-emitting side.

Abstract: An electroluminescent device and a display apparatus, for improving the efficiency and prolonging the service life of the electroluminescent device. The electroluminescent device comprises: an anode comprising a reflective material; a cathode arranged opposite to the anode and comprising a transflective material; n light-emitting functional layers laminated between the anode and the cathode, wherein n is an integer greater than 1; and each light-emitting functional layer comprises a light-emitting layer and an electron transport layer located at the side of the light-emitting layer close to the cathode, wherein the thickness of the electron transport layer in the light-emitting functional layer closest to the cathode is greater than that of the electron transport layers in the remaining light-emitting functional layers; and (n?1) charge generation layers located between two adjacent light-emitting functional layers.

Abstract: The present disclosure provides an organic electroluminescent device, a display panel and a display device, including a first electrode, a first light-emitting layer, a first electron transport layer, an N-type charge generation layer, a P-type charge generation layer, a first hole transport layer, a second light-emitting layer and a second electrode that are stacked; where the N-type charge generation layer includes a host electron transport material and a first guest electron transport material having a set matching energy level there between.

Abstract: An assembly and a device for vapor deposition are provided in this disclosure, an assembly includes a cell and a housing, the cell is accommodated in the housing, the gaseous materials to be vapor deposited eject from the housing and are vapor deposited onto the substrate. The housing is capable of rotating relative to the cell. The film layer structure can be obtained by controlling the angles of rotation of the housing. Single film layer as well as the composite film layer with various changes of doping ratio can be formed on the substrate of the assembly and the device for vapor deposition in this disclosure.

Abstract: The present disclosure relates to an apparatus for detecting a distance between a carrier and a plate, the apparatus comprising: a base provided on the carrier; a rotation mechanism rotatably provided on the base and configured to rotate when the carrier is in contact with the plate during movement of the carrier relative to the plate; a rotation angle measuring mechanism configured to measure a rotation angle of the rotation mechanism so as to obtain the distance according to the rotation angle. The distance between the carrier and the plate can be calculated based on the rotation angle of the rotation mechanism, so that accurate measurement of the distance between the carrier and the plate can be realized. Further, the operation performance of the gap detection apparatus would not be affected or damaged by the vacuum environment.

Abstract: Embodiments of the present disclosure provide a printhead, a printing equipment and a printing method. The printhead includes: a primary liquid discharging assembly, including a plurality of primary liquid discharging nozzles for forming primary droplets; and a plurality of flow branching components below the primary liquid discharging assembly, and the plurality of flow branching components being in one-to-one correspondence with the plurality of primary liquid discharging nozzles, wherein each of the plurality of flow branching component is configured to be in contact with the primary droplet formed by the corresponding primary liquid discharging nozzle of the plurality of primary liquid discharging nozzles, and split each of the primary droplets into at least two branched droplets.

Abstract: The present disclosure relates to an apparatus for detecting a distance between a carrier and a plate, the apparatus comprising: a base provided on the carrier; a rotation mechanism rotatably provided on the base and configured to rotate when the carrier is in contact with the plate during movement of the carrier relative to the plate; a rotation angle measuring mechanism configured to measure a rotation angle of the rotation mechanism so as to obtain the distance according to the rotation angle. The distance between the carrier and the plate can be calculated based on the rotation angle of the rotation mechanism, so that accurate measurement of the distance between the carrier and the plate can be realized. Further, the operation performance of the gap detection apparatus would not be affected or damaged by the vacuum environment.

Abstract: Embodiments of the present disclosure provide a printhead, a printing equipment and a printing method. The printhead includes: a primary liquid discharging assembly, including a plurality of primary liquid discharging nozzles for forming primary droplets; and a plurality of flow branching components below the primary liquid discharging assembly, and the plurality of flow branching components being in one-to-one correspondence with the plurality of primary liquid discharging nozzles, wherein each of the plurality of flow branching component is configured to be in contact with the primary droplet formed by the corresponding primary liquid discharging nozzle of the plurality of primary liquid discharging nozzles, and split each of the primary droplets into at least two branched droplets.

Abstract: An assembly and a device for vapor deposition are provided in this disclosure, an assembly includes a cell and a housing, the cell is accommodated in the housing, the gaseous materials to be vapor deposited eject from the housing and are vapor deposited onto the substrate. The housing is capable of rotating relative to the cell. The film layer structure can be obtained by controlling the angles of rotation of the housing. Single film layer as well as the composite film layer with various changes of doping ratio can be formed on the substrate of the assembly and the device for vapor deposition in this disclosure.

Abstract: A method and a system for controlling automatic quantitative fluid supply are disclosed, and the method and the system automatically control the quantitative fluid supply by timing a period of time t required for introducing gas (20) into a sealing tank (4) in such a way that the pressure in the sealing tank (4) reaches a default value and calculating a period of time T, required for continuously introducing the gas (20) into the sealing tank (4) to extrude a fixed volume (V) of the fluid, from the time t, in the process of automatic quantitative fluid supply, so as to automatically control the switching-on and -off of a gas passage (1), overcome the impact of the reduction of the liquid level on the quantitative supply accuracy and guarantee the accuracy requirement of repeated quantitative supply.

Abstract: A vapor deposition system including a vapor deposition mechanism and a separation mechanism is provided. The vapor deposition mechanism includes a vapor deposition source, and further includes a vapor deposition baseplate and a cover plate that are located at a side of the vapor deposition source in a vapor deposition direction in order; the cover plate comprises a frame defining an enclosed frame region, the frame comprises a contact surface with the vapor deposition baseplate, and the contact surface comprise an adhesion portion, and the vapor deposition baseplate is capable of being adhered to the cover plate; the separation mechanism comprises at least one support plate and at least one movable bar connected with the support plate, the movable bar is configured to separate the vapor deposition baseplate from the cover plate after completion of film vapor deposition.

Abstract: A vacuum evaporation apparatus comprises a housing, in which a main vacuum cavity, a side vacuum cavity and a switch assembly are disposed. The main vacuum cavity is configured for vacuum evaporation. A tomography detection module for scanning a crucible to be measured and a manipulator for accessing a crucible in main vacuum cavity are disposed in the side vacuum cavity. A switch assembly is disposed between the main vacuum cavity and the side vacuum cavity. Where the switch assembly is opened, the main vacuum cavity and the side vacuum cavity are communicated with each other to enable accessing the crucible. Where the switch assembly is closed, the main vacuum cavity and the side vacuum cavity are separated from each other.

Abstract: A method and a system for controlling automatic quantitative fluid supply are disclosed, and the method and the system automatically control the quantitative fluid supply by timing a period of time t required for introducing gas (20) into a sealing tank (4) in such a way that the pressure in the sealing tank (4) reaches a default value and calculating a period of time T, required for continuously introducing the gas (20) into the sealing tank (4) to extrude a fixed volume (V) of the fluid, from the time t, in the process of automatic quantitative fluid supply, so as to automatically control the switching-on and -off of a gas passage (1), overcome the impact of the reduction of the liquid level on the quantitative supply accuracy and guarantee the accuracy requirement of repeated quantitative supply.