Abstract: The present invention relates to the field of water surface treatment, and in particular to a cleaning ship for water surface treatment for harvesting water plants. In order to solve the technical problems that the existing cleaning ship cannot adapt to the waters of different depths for harvesting water plants, and a hull has low load utilization rate for the collected water plants and affects the overall working efficiency and the fuel economy of the hull, the present invention provides a cleaning ship for water surface treatment for harvesting water plants, comprising a steel belt conveying mechanism, a driven shaft and the like. The steel belt conveying mechanism drives the driven shaft to rotate.

Abstract: The present invention relates to the technical field of water surface waste treatment, and in particular to a water surface floater collecting ship. The technical problems are: picking up floaters with the cooperation of labors consumes manpower and causes disturbance of water surface, which makes the floaters float further away with water waves, and the odor emitted by the collected floating waste will pollute the environment and affect the salvage efficiency. The technical solution is: a water surface floater collecting ship, comprising a hull, a collecting system, etc.; the left part of the hull is connected with the collecting system used for collecting waste.

Abstract: A method, device, and apparatus for determining a brightness compensation parameter. The method includes: obtaining, at any grayscale, a plurality of first acquired brightness values of a plurality of first sub-pixels of a target color in the first display region and a plurality of second acquired brightness values of a plurality of second sub-pixels of the target color in the second display region of the display panel to be compensated; determining whether an acquisition ratio of an average value of the plurality of first acquired brightness values to an average value of the plurality of second acquired brightness values is within a standard range; correcting the plurality of first acquired brightness values or the plurality of second acquired brightness values to obtain a corrected brightness value of the display panel; determining the brightness compensation parameter of the display panel based on the corrected brightness value.

Abstract: The invention relates to the field of sensing technology, and discloses a double-parameter in-situ sensor based on waveguide grating, a sensing system and a preparation method. The sensor comprises an optical waveguide substrate, wherein a first straight optical waveguide and a second straight optical waveguide are arranged in the optical waveguide substrate in parallel, two ends of first straight optical waveguide are respectively connected with a first transmission fiber and a second transmission fiber, two ends of second straight optical waveguide are respectively connected with a third transmission fiber and a fourth transmission fiber, a first Bragg grating is arranged on the first straight optical waveguide, a second Bragg grating and a third Bragg grating are separately arranged on the second straight optical waveguide, a micro air groove is arranged on the upper surface of optical waveguide substrate, positioned between the second Bragg grating and the third Bragg grating.

Abstract: A display substrate, a display panel, and a display apparatus. The display substrate includes: a first display area including a plurality of first sub-pixels; a second display area including a plurality of second sub-pixels; a shielding layer provided in the second display area; a first signal line configured to provide a control signal to the first sub-pixels, wherein the first signal line extends from the first display area through the second display area, and a portion of the first signal line located in the second display area is provided above the shielding layer; and a pixel circuit provided below the shielding layer and configured to drive the second sub-pixels; wherein the shielding layer is configured to shield an electric field between the portion of the first signal line located in the second display area and the pixel circuit.

Abstract: A brightness parameter correction method and device and a brightness compensation system.

Abstract: The present application discloses a method, device, and apparatus for brightness compensation of a display panel. The display panel has a first display region and a second display region. The method includes selecting at least one first region in the second display region close to the first display region; obtaining current brightness values of sub-pixels in the at least one first region under a target grayscale value; determining an average brightness value of the at least one first region based on the current brightness values of the sub-pixels in the at least one first region; determining a target brightness value of the first display region under the target grayscale value according to the average brightness value; performing brightness compensation on the first display region based on the target brightness value.

Abstract: An organic electroluminescent device and a display apparatus. The organic electroluminescent device includes a first electrode, a second electrode and an organic layer located between the first electrode and the second electrode. The organic layer includes a light-emitting layer. The light-emitting layer contains a host material, a thermally activated delayed fluorescence sensitizer and a fluorescent dye. The energy level relationship between the host material and the thermally activated delayed fluorescence sensitizer is LUMOhost?LUMOsensitizer, while HOMOsensitizer?HOMOhost.

Abstract: An organic electroluminescent device and a display apparatus. The organic electroluminescent device includes a first electrode, a second electrode and at least two organic electroluminescent units located between the first electrode and the second electrode. The at least two organic electroluminescent units are arranged in a stacked manner. The at least two organic electroluminescent units include a first organic electroluminescent unit. The first organic electroluminescent unit includes a first light-emitting layer. The first light-emitting layer contains a first host material, a thermally activated delayed fluorescence sensitizer and a first fluorescent dye.

Abstract: A method, device, and apparatus for determining a brightness compensation parameter. The method includes: obtaining, at any grayscale, a plurality of first acquired brightness values of a plurality of first sub-pixels of a target color in the first display region and a plurality of second acquired brightness values of a plurality of second sub-pixels of the target color in the second display region of the display panel to be compensated; determining whether an acquisition ratio of an average value of the plurality of first acquired brightness values to an average value of the plurality of second acquired brightness values is within a standard range; correcting the plurality of first acquired brightness values or the plurality of second acquired brightness values to obtain a corrected brightness value of the display panel; determining the brightness compensation parameter of the display panel based on the corrected brightness value.

Abstract: A brightness parameter correction method and device and a brightness compensation system.

Abstract: The present application discloses a method, device, and apparatus for brightness compensation of a display panel. The display panel has a first display region and a second display region. The method includes selecting at least one first region in the second display region close to the first display region; obtaining current brightness values of sub-pixels in the at least one first region under a target grayscale value; determining an average brightness value of the at least one first region based on the current brightness values of the sub-pixels in the at least one first region; determining a target brightness value of the first display region under the target grayscale value according to the average brightness value; performing brightness compensation on the first display region based on the target brightness value.

Abstract: The present disclosure relates to an organic electroluminescent device and a preparation method thereof. The organic electroluminescent device includes a hole injection layer including a first doped layer and/or a second doped layer. The first doped layer includes a P-type dopant, and the second doped layer includes a P-type dopant and a hole transport material. The organic electroluminescent device includes a hole transport layer formed on the hole injection layer, and an electron blocking layer formed on the hole transport layer. A difference in HOMO energy level between the electron blocking layer and the hole transport layer is less than or equal to 0.2 eV. The power consumption of the organic electroluminescent device can be reduced. The lifetime of the mass production device therefore can be increased.

Abstract: A display substrate, a display panel, and a display apparatus. The display substrate includes: a first display area including a plurality of first sub-pixels; a second display area including a plurality of second sub-pixels; a shielding layer provided in the second display area; a first signal line configured to provide a control signal to the first sub-pixels, wherein the first signal line extends from the first display area through the second display area, and a portion of the first signal line located in the second display area is provided above the shielding layer; and a pixel circuit provided below the shielding layer and configured to drive the second sub-pixels; wherein the shielding layer is configured to shield an electric field between the portion of the first signal line located in the second display area and the pixel circuit.

Abstract: The present application discloses an organic electroluminescent device that includes a plurality of kinds of light-emitting units having different light-emitting wavelengths, wherein the light-emitting units are organic light-emitting diodes, the organic light-emitting diodes include a plurality of single-colored organic light-emitting diodes and/or a plurality of white-light organic light-emitting diodes provided with optical filters; at least one kind of the organic light-emitting diodes has a microcavity structure; a microcavity optical length Li of the organic light-emitting diode having the microcavity structure and a light-emitting wavelength ?i of the corresponding light-emitting unit meet the following formula: Li=ni?i, wherein ni?2, ni is a positive integer, and the ni corresponding to at least one of the plurality of kinds of light-emitting units having different light-emitting wavelengths ?i is larger than or equal to 3; m is the number of the kinds of the light-emitting units, m?i?1, i and m are p

Abstract: Provided are a pixel arrangement structure, a display panel, and a display apparatus. The pixel arrangement structure includes a plurality of first sub-pixels, a plurality of second sub-pixels, and a plurality of third sub-pixels, and the plurality of first, second and third sub-pixels form a plurality of virtual polygons. In each virtual polygon, the second sub-pixels and the third sub-pixels are located at a first vertex and a second vertex of the virtual polygon, respectively, the first vertex and the second vertex are alternated and spaced apart from each other, the first sub-pixel is located inside the virtual polygon, a first distance from a center of the first sub-pixel to a center of any third sub-pixel is equal, a second distance from a center of the first sub-pixel to a center of any second sub-pixel is equal, and the first distance is equal to the second distance.

Abstract: Provided are a pixel arrangement structure, a display panel, and a display apparatus. The pixel arrangement structure includes a plurality of first sub-pixels, a plurality of second sub-pixels, and a plurality of third sub-pixels, and the plurality of first, second and third sub-pixels form a plurality of virtual polygons. In each virtual polygon, the second sub-pixels and the third sub-pixels are located at a first vertex and a second vertex of the virtual polygon, respectively, the first vertex and the second vertex are alternated and spaced apart from each other, the first sub-pixel is located inside the virtual polygon, a first distance from a center of the first sub-pixel to a center of any third sub-pixel is equal, a second distance from a center of the first sub-pixel to a center of any second sub-pixel is equal, and the first distance is equal to the second distance.

Abstract: The present invention relates to method and device for determining Gamma parameters and displaying method for a display. A method for determining Gamma parameters for a display includes: setting brightness of the display; lightening a standard image of gradient tricolor under the brightness; calibrating the displaying of the standard image of gradient tricolor with multiple different Gamma values; obtaining the optimal Gamma parameters for the tricolor based on the calibration results; and storing the optimal Gamma parameters for the tricolor corresponding to the brightness in a display chip. The method for determining Gamma parameters for a display calibrates the displaying of the standard image of gradient tricolor with multiple different Gamma values, which can obtain the optimal displaying results based on different calibration results.

Abstract: A thin film transistor and a preparation method thereof are provided. The thin film transistor includes an upper gate electrode, a lower gate electrode, an upper insulating layer, a lower insulating layer, a semiconductor layer, a source electrode and a drain electrode. The lower insulating layer is arranged on the lower gate electrode, the semiconductor layer is arranged on the lower insulating layer, the semiconductor layer is respectively lapped with the source electrode and the drain electrode, the upper insulating layer covers the semiconductor layer, and the upper gate electrode is arranged on the upper insulating layer. In a plane parallel to a conducting channel, there is a first gap between an orthographic projection of the upper gate electrode and an orthographic projection of the source electrode, and there is a second gap between the orthographic projection of the upper gate electrode and an orthographic projection of the drain electrode.

Abstract: The present invention provides a scanning driver and an organic light-emitting display using the same. The scanning driver comprises a plurality of cascaded structures receiving signals from a first timing clock line (CK1) and a second timing clock line (CK2) with opposite phases, the cascaded structures successively generating output signals (i.e., scanning signals), wherein each of the cascaded structures comprises: a first transistor, connected to a starting signal line or to a scanning output line of a previous cascaded structure; a second transistor, connected to the second timing clock line and to the scanning output line; a third transistor connected to a high-level power supply VGH; a fourth transistor, connected to a low-level power supply VGL and to an output terminal of the third transistor; a fifth transistor, connected to a high-level power supply VGH and to a scanning output line; and a first capacitor, connected between an output terminal of the first transistor and the scanning output line.