2034 results about "Orthographic projection" patented technology

The invention relates to a true orthophoto generation method based on a three-dimensional Gaussian model, a storage medium and equipment, and aims to solve the problems of low image quality, low generation speed, detail loss and the like in the prior art. The method comprises the following steps: firstly, acquiring image data through an unmanned aerial vehicle or aerial photography, and extracting a camera attitude and sparse point cloud by using a motion recovery structure (SfM) technology; secondly, constructing a three-dimensional Gaussian model based on the sparse point cloud, and performing iterative training through top view orthographic projection in combination with a gradient descent algorithm; in the training process, a densification strategy, a point deleting strategy, a blocking strategy and an image pyramid strategy are innovatively introduced, so that the detail expressive force and the overall quality of the image are remarkably improved. Specifically, according to the densification strategy, fine detail reconstruction is achieved by dynamically increasing Gaussian ball density, and according to the point deletion strategy, rendering efficiency is improved and computing resource allocation is optimized by eliminating redundant Gaussian balls. The image pyramid strategy generates a multi-level visual effect through multi-scale training, and the blocking strategy improves the reconstruction precision through local optimization. Finally, on the basis of the trained three-dimensional Gaussian model, real-time generation of a high-quality true orthophoto in a large-scale scene can be realized. The method has remarkable advantages in the aspects of efficiency, precision and practicability, provides important technical support for the fields of geographic information systems, urban planning, disaster monitoring and the like, and has wide application prospects.

The invention relates to the technical field of projectors, in particular to an intelligent picture geometric distortion control method based on machine vision and an image projector, and the method comprises the steps: obtaining image data of a to-be-corrected projection picture, and carrying out the feature analysis of the image data, so as to obtain a distortion feature value; matching a correction optimization model corresponding to the distortion characteristic value, so as to call a correction parameter from a preset correction parameter library through the correction optimization model; simulating a correction process corresponding to the projection picture to be corrected according to the correction parameter; the correction parameters are adjusted according to the correction process, and the projection picture to be corrected is corrected according to the adjusted correction parameters, the corresponding correction optimization model is matched based on the characteristic values, the adaptive correction parameters can be dynamically called from the preset parameter library, the limitation of a traditional fixed algorithm is changed, and the correction efficiency is improved. The correction strategy is highly coupled with the actual distortion scene, and the correction efficiency and pertinence are remarkably improved.

The invention discloses a display substrate, a manufacturing method thereof and a display device. The display substrate comprises a plurality of first electrodes (31) and a plurality of pixel definition structures (32), the first electrodes (31) and the pixel definition structures (32) are arranged on a substrate (10), and the pixel definition structures (32) are arranged between the adjacent first electrodes (31) and form pixel openings (35) exposing the first electrodes (31); the pixel defining structure (32) at least comprises a first insulating layer (101), a second insulating layer (102), a third insulating layer (103) and a fourth insulating layer (104). The orthographic projection of the second insulating layer (102) on the substrate is at least partially overlapped with the orthographic projection of the first electrode (31) on the substrate; the surface of the second insulating layer (102) is provided with a second recess (106), and the inner wall of the side, close to the substrate, of the second recess (106) is located between the surface of the side, away from the substrate, of the first electrode (31) and the surface of the side, close to the substrate, of the first electrode (31).

The invention relates to the technical field of robots, in particular to a dexterous hand finger, a dexterous hand and a robot, and aims to solve the problem that the size of the dexterous hand finger with three active degrees of freedom is large. According to the dexterous hand finger, the first knuckle can have the functions of laterally swinging and rotating towards the palm side or the hand back side through the first linear driving assembly and the second linear driving assembly which are connected in parallel, and the knuckle assembly has the function of rotating towards the palm side or the hand back side through the third linear driving assembly. Due to the fact that the third straight line can be parallel to the palm base plate, on the plane perpendicular to the second axis, the distance between the orthographic projection of the third straight line and the orthographic projection of the first straight line in the extending direction of the first axis is gradually reduced in the direction from the third straight line to the first knuckle. The circumferential size of the end, away from the knuckle assembly, of the first knuckle is small, and the space occupied by the three linear driving assemblies in the palm is close to the shape of the palm of a person.

The three-axis Hall magnetic sensing chip comprises a magnet gathering body, a first Hall element group and a second Hall element group, the first Hall element group and the second Hall element group are arranged in a plane at intervals, the magnet gathering body is arranged on Hall elements, and the orthographic projection of the magnet gathering body on a Hall plane has a first direction symmetry axis and a second direction symmetry axis which are orthogonal. The first Hall element group comprises two first Hall elements which are connected in a contrast difference mode, wherein the magnetic induction centers of the two first Hall elements are located on a first-direction symmetric axis and are symmetrically arranged relative to a second-direction symmetric axis. The second Hall element group comprises two second Hall elements which are located on the same side of the first direction symmetry axis and are symmetrically arranged relative to the second direction symmetry axis, and the magnetic induction centers of the two second Hall elements are perpendicular to the connecting line between the orthogonal intersection points of the first direction symmetry axis and the second direction symmetry axis; the magnetism gathering body is located on one side of the connecting line of the two magnetic induction centers. According to the invention, a high inter-axis signal rejection ratio is realized, and the Z-axis signal can be directly output.

The invention discloses a display panel and a display device, the display panel comprises an array substrate, the array substrate comprises a substrate, a first conductive layer, an insulating layer and a second conductive layer, the first conductive layer comprises a first signal line and a second signal line which extend along a first direction, the second conductive layer comprises a third signal line and a fourth signal line which extend in the second direction, and the third signal line and the fourth signal line transmit the same signal; in the direction perpendicular to the substrate, the first signal line and the third signal line have a first overlapping area and are electrically connected in the first overlapping area, the second signal line and the fourth signal line have a fourth overlapping area and are electrically connected in the fourth overlapping area, and the first signal line and the fourth signal line have a second overlapping area and are insulated. The second signal line and the third signal line have a third overlapping area and are insulated. The orthographic projection of the second overlapping area and the orthographic projection of the third overlapping area on the substrate are at least partially located in the orthographic projection of the pixel opening on the substrate. The display panel provided by the invention can improve the color cast of the display panel.

Provided is a display substrate, including: a substrate; a first electrode layer, a pixel defining layer, a first film layer group, and a second film layer group, which are disposed on the base substrate along a direction away from the base substrate. The first film layer group includes a first portion and a second portion, where an orthographic projection of the first portion on the base substrate at least partially overlaps with an orthographic projection of the first electrode layer, an orthographic projection of the second portion on the base substrate at least partially overlaps with an orthographic projection of the pixel defining layer on the base substrate, and the first portion and the second portion are interrupted. The second film layer group includes a first portion and a second portion, which extend continuously.

The utility model discloses a spinneret assembly, which comprises a distribution plate and a spinneret plate provided with spinneret orifices, the distribution plate comprises a first runner used for simultaneously introducing a first component and a second component into the spinneret orifices, and a second runner used for introducing a third component into the spinneret orifices; the number of the first flow channels and the number of the second flow channels are respectively multiple, every two adjacent first flow channels are separated by one second flow channel, the multiple second flow channels are mutually separated or the axial leads of the second flow channels are mutually intersected at the same point, and the orthographic projection of the first flow channels and the orthographic projection of the second flow channels are all located in the orthographic projection range of inlets of the spinneret orifices; the spinneret assembly can continuously and stably eject composite fibers with normal sizes and specific structures on the basis of three components, and superfine fibers with at least one excellent effect in the aspects of elasticity, glossiness, strength such as tearing strength and the like can be obtained by removing single-component fibers in the composite fibers.

A display panel is provided. The display panel includes a plurality of subpixels, a plurality of antenna units, a color filter and a black matrix. The color filter includes a plurality of color filter blocks. An orthographic projection of a respective color filter block of the plurality of color filter blocks on a first base substrate at least partially overlaps with an orthographic projection of a third electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a fourth electrode on the first base substrate. An orthographic projection of the black matrix on the first base substrate at least partially overlaps with an orthographic projection of a first electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a second electrode on the first base substrate.

The present application provides a communication terminal. The communication terminal comprises a radio frequency chip, a first main radiator, a second main radiator, and a feed structure. The first main radiator, the second main radiator, and the feed structure are pairwise parallel and spaced apart, and the orthographic projection of the first main radiator on a first plane and the orthographic projection of the second main radiator on the first plane at least partially overlap, so that the first main radiator and the second main radiator form an antenna of a parallel structure. The first plane is perpendicular to the arrangement direction of the first main radiator and the second main radiator. The feed structure is used for coupling and feeding the first main radiator and the second main radiator separately. The feed structure simultaneously feeds the first main radiator and the second main radiator, thereby improving the radiation efficiency of the first main radiator and the second main radiator in the antenna system, enhancing the communication effect of the antenna system, and improving the communication capability of the communication terminal.

A display substrate and a display device. The display substrate comprises sub-pixels, pixel defining patterns, and defining structures. The sub-pixels each comprise a light-emitting functional layer; the pixel defining patterns each comprise openings and pixel defining portions surrounding the openings, and at least part of each light-emitting functional layer is isolated in at least one opening; and the defining structures are located between the pixel defining portions and a base substrate. The defining structures each are located between two corresponding adjacent sub-pixels of different colors; the defining structures each comprise a first portion covered by the corresponding pixel defining portion and a second portion exposed out of the corresponding opening; the second portions of the defining structures are configured to isolate the light-emitting functional layers; and the defining structures are made of an organic material, and the orthographic projection of the edge of the side surface of each second portion distant from one side of the base substrate on the base substrate falls within the orthographic projection of the corresponding opening on the base substrate, such that the corresponding light-emitting functional layer is isolated to reduce crosstalk, thereby minimizing the effect of the defining structures on the process and productivity while guaranteeing the electrode flatness and normal light-emitting effects of the sub-pixels.

Provided are a display substrate and a method of manufacturing the same, and a display device. The display substrate includes: a base substrate; a planarization layer; a pixel defining layer including a first pixel defining layer and a second pixel defining layer; a first electrode. A vertical spacing between the first surface of first pixel defining layer and the first surface of base substrate is less than a vertical spacing between the first surface of second pixel defining layer and the first surface of base substrate. The first surface of the first pixel defining layer has a first region and second region. An orthographic projection of the electrode via hole on the base substrate is located within an orthographic projection of the second region on the base substrate. A maximum vertical spacing between the second region and the first region is less than or equal to a thickness of the first pixel defining layer in the first region.

A display panel and a manufacturing method therefor, and a display apparatus. The display panel comprises a base substrate, a pixel define layer located on the base substrate, and a light-emitting functional layer located on the side of the pixel define layer away from the base substrate. The pixel define layer comprises a defining portion for defining a pixel opening. The light-emitting functional layer comprises carrier layers, wherein the carrier layers are consecutive and cover the pixel define layer. Each carrier layer comprises a first area and a second area except the first area, wherein the orthographic projection of the first area on a first surface of the base substrate is located in the orthographic projection of the defining portion on the first surface of the base substrate, and the carrier mobility of the first area is smaller than the carrier mobility of the second area. The present application can prevent a crosstalk current from being formed between adjacent sub-pixels of the display panel.

Provided are a wiring substrate and a preparation method therefor, and a display apparatus. The wiring substrate comprises a base substrate, which comprises at least one bonding region and bending regions. The wiring substrate further comprises: a plurality of metal wiring layers, which are located above the base substrate; and a plurality of dielectric layers, wherein one dielectric layer is correspondingly arranged on the side of each of the plurality of metal wiring layers that is away from the base substrate, and each dielectric layer comprises an organic dielectric layer and an inorganic dielectric layer that are stacked, the orthographic projection of the organic dielectric layer on the base substrate not overlapping with the orthographic projection of the bonding region on the base substrate, and the orthographic projection of the inorganic dielectric layer on the base substrate at least partially overlapping with the orthographic projection of the bonding region on the base substrate.

The present invention discloses a multi-source heterogeneous large-scene remote sensing image matching method for global optimal solution, including: S1, preprocessing the input image information; S2, extracting the reference image point group features by constructing a sub-pixel point group feature detection algorithm; S3, constructing a multi-mode matching algorithm based on wavelet analysis for sub-pixel matching; S4, constructing a point group global registration algorithm for forward and inverse projection, hierarchical elimination, and obtaining the global optimal solution; S5, judging whether the sub-pixel requirement is met. If it is judged that the requirement is not met, return to step S4, otherwise output the result. According to the present invention, a high-precision sub-pixel is obtained, the consistency of image intensity and phase is ensured, an accurate matching result is obtained, and an algorithm system with good compatibility is provided.

The invention relates to a surface-enhanced Raman scattering detection substrate, a preparation method thereof and a Raman scattering detection method. The surface-enhanced Raman scattering detection substrate comprises a silicon substrate, wherein at least one surface of the silicon substrate is provided with a functional area; the plurality of silicon nanorods are positioned in the functional region; the silicon nanorod comprises a main body part and a head part, the main body part is located between the head part and the silicon substrate, and the main body part is connected with the head part and the silicon substrate; the radial width of the head part is gradually reduced in the direction perpendicular to and away from the surface of the silicon substrate; the total area of orthographic projections of the silicon nanorods on the silicon substrate accounts for 1%-10% of the area of the functional area. According to the surface-enhanced Raman scattering detection substrate, enrichment of molecules to be detected in a three-dimensional space can be achieved, the signal enhancement capacity is high, and the detection sensitivity of target molecules can be remarkably improved.

The invention relates to the technical field of intelligent control technology and edge computing application, in particular to an actuator real-time control method and system based on edge computing, and the method comprises the steps: carrying out the multi-mode state sensing and real-time preprocessing of an actuator at an edge node, mapping a high-dimensional feature to a low-dimensional evolution space through space-time compression projection, and carrying out the multi-mode state sensing and real-time preprocessing of the actuator; constructing a lightweight prediction model in combination with a linear skeleton and nonlinear residual reasoning, and dynamically generating a confidence interval to quantify uncertainty; further introducing an evolution updating mechanism based on a residual error, correcting a projection matrix, a dynamic operator and an inverse mapping matrix on line, and ensuring that the real states of the model and the actuator are consistent for a long time; and finally, based on the prediction result and the risk perception capability, adaptively generating an optimal control signal within the security constraint. According to the invention, high-precision, low-delay and robust edge real-time control is realized, and the robustness and adaptability of the system under complex working conditions are improved.

According to the online path planning method and system for the automatic polishing robot, the one-to-one mapping relation between the plane and the curved surface is established through orthographic projection, the complex curved surface is locally segmented into the simple curved surface, the algorithm time complexity of searching the coordinates of the path points on the surface of the model is reduced, the running speed is increased, and the real-time path planning requirement is met; according to the method, path planning can be directly carried out on point cloud data, the requirements for reconstruction algorithm precision and model quality are low, three-dimensional path planning can be converted into two-dimensional plane path planning, a two-dimensional path in any shape can be generated, and automatic and efficient online path planning of a robot is ensured.

The invention relates to a display panel, a preparation method of the display panel and a display device. The display panel comprises a substrate, an isolation structure arranged on one side of the substrate and a plurality of light-emitting devices arranged on the side, away from the substrate, of the isolation structure. Wherein the isolation structure comprises a first isolation part, a second isolation part and a third isolation part which are arranged in a laminated mode, the orthographic projection of the second isolation part on the substrate is located in the orthographic projection of the first isolation part on the substrate, and the orthographic projection of the side, facing the third isolation part, of the second isolation part on the substrate is located in the orthographic projection of the third isolation part on the substrate; the distance between the edge of the orthographic projection of the third isolation part on the substrate and the edge of the orthographic projection of one side, facing the third isolation part, of the second isolation part on the substrate is a first length; the distance between the edge of the orthographic projection of the first isolation part on the substrate and the edge of the orthographic projection of the side, facing the first isolation part, of the second isolation part on the substrate is a second length. The display effect of the display panel is improved.

The embodiment of the invention provides a power module, communication equipment, a motor driver, a power assembly and a vehicle, the power module comprises an electronic device, the power module can effectively shorten the length of a heat dissipation path for heat dissipation of the electronic device, the heat dissipation efficiency of the electronic device is improved, and it is guaranteed that heat generated by the electronic device is conducted out in time. The power module comprises a first bottom plate, a first heat dissipation bonding pad and a first electronic device, the second surface is concave inwards to form a first heat dissipation blind groove, the first heat dissipation bonding pad has a first orthographic projection on the first surface, the first heat dissipation blind groove has a second orthographic projection on the first surface, and the first orthographic projection of the first heat dissipation bonding pad is greater than the second orthographic projection of the first heat dissipation blind groove. The first orthographic projection and the second orthographic projection at least partially coincide.

The invention provides a graphite head regular hexagon blank manufacturing method which comprises the following steps: taking a rectangular carbon brick, and establishing a rectangular coordinate reference system by taking an orthographic projection rectangle of the rectangular carbon brick as a reference and an original point of a point position where a first side is intersected with a second side; obtaining the length of the first side and the length of the second side of the rectangular carbon brick; the preset single bodies are regular hexagonal prisms, are arranged on a first side in a shoulder insertion manner and are arranged in a side-sharing side-by-side manner in the direction of a second side; the cutting line carries out displacement cutting in the first side direction and the side length direction of a preset regular hexagon; according to the scheme, the cutting line walks in the linear direction of the side length of the regular hexagon, three sides of each regular hexagon can be obtained through cutting after each cutter is completed, although each regular hexagon needs to be machined through two cutters, four regular hexagons can be machined through each cutter except for the first cutter, the machining efficiency is high, and the machining cost is low. And the average monomer processing time is short.

The embodiment of the invention provides a manufacturing method of a semiconductor structure, and the method comprises the steps: providing a first substrate, and forming a pre-debonding structure on the first substrate; a plurality of first chips and first interconnection structures are formed on the first substrate, cutting channel areas are arranged among the first chips, and the first interconnection structures are located in the cutting channel areas; wherein the orthographic projection of the pre-debonding structure is located in the orthographic projection range of the cutting channel area, and the orthographic projection of the first interconnection structure is located in the orthographic projection range of the pre-debonding structure; a groove is formed in the cutting channel area, the groove extends around the first interconnection structure in the extending direction of the cutting channel area, and at least part of the pre-de-bonding structure is exposed at the bottom of the groove; and removing the pre-de-bonding structure to strip the first interconnection structure to form a gap.

The invention discloses a surface acoustic wave resonator and a filter. The surface acoustic wave resonator comprises a substrate; the interdigital transducer is positioned on one side of the substrate; the reflecting grating and the interdigital transducer are arranged on the same layer, and the reflecting grating is located on the two sides of the interdigital transducer in the first direction; the plurality of reflecting gratings are arranged along a first direction and extend along a second direction; in the first direction, a reflecting grating gap is formed between any two adjacent reflecting gratings; the first direction and the second direction intersect and are parallel to the plane where the substrate is located; the orthographic projection of the acoustic impedance structure on the plane where the substrate is located is at least overlapped with the orthographic projection of the reflecting grating gap on the plane where the substrate is located; the acoustic impedance of the acoustic impedance structure is different from the acoustic impedance of the reflecting grating. By adopting the technical means, the acoustic impedance structure is arranged, and the acoustic impedance of the acoustic impedance structure is different from that of the reflecting grating, so that a stray mode in the resonator can be inhibited, and the performance of the surface acoustic wave resonator is further improved.

The invention relates to an oxygen bomb thread axial loosening degree detection method, and the method comprises the steps: building at least one pair of online projection image measuring instruments at two sides of an oxygen bomb in a horizontal plane, obtaining the orthographic projection of the outline of the oxygen bomb, driving the oxygen bomb to carry out the intermittent in-situ rotation around the axis at a set angle, in the intermittent process, thrust is applied to the axial direction of the oxygen bomb connecting ring to a set value, the displacement of a plurality of first measuring points on the projection of the oxygen bomb connecting ring before and after the thrust is applied is obtained based on the online projection image measuring instrument, finally, the average is calculated based on the displacement, and the axial looseness degree of the oxygen bomb thread is output.

This application discloses a display panel and a display device. In a specific embodiment, the display panel includes a substrate and a plurality of pixels arranged in an array on the substrate. The pixels include a light-emitting region and a transparent region. The light-emitting region includes a driving circuit layer, a planarization layer, a first electrode, a light-emitting layer, and a second electrode, which are sequentially disposed on the substrate. An edge portion of the planarization layer close to the transparent region has a first overlapping area with the first electrode in their orthographic projections on the substrate. The light-emitting region further includes a protrusion portion, whose thickness is less than that of the planarization layer. The protrusion portion is closer to the substrate than the planarization layer and covers the first overlapping area in its orthographic projection on the substrate.

A package structure includes a circuit board, a package substrate, an electronic / photonic assembly, a film redistribution layer, a heat dissipation assembly, and an optical fiber assembly. The package substrate is disposed on the circuit board and electrically connected to the circuit board. The electronic / photonic assembly includes an ASIC assembly, an EIC assembly, and a PIC assembly. The EIC assembly and the PIC assembly are stacked and disposed on the package substrate and electrically connected to the package substrate via the film redistribution layer. An orthographic projection of the EIC assembly on the film redistribution layer is overlapped with an orthographic projection of the PIC assembly on the film redistribution layer. The heat dissipation assembly is disposed on the electronic / photonic assembly. The optical fiber assembly is disposed on the package substrate and optically connected to the PIC assembly.

The embodiment of the invention provides a display panel, a pixel arrangement structure and a display device. The display panel comprises a substrate; the isolation structure comprises a first isolation opening, the orthographic projection pattern of the first isolation opening on the substrate comprises a first edge, and the included angle between the extension direction of the first edge and the first direction is larger than or equal to 0 degree and smaller than or equal to 10 degrees; a light-emitting functional layer; the first electrode is located on the side, away from the substrate, of the light-emitting functional layer and is in lap joint with the isolation structure; wherein the substrate comprises scanning lines, and the first direction is the extension direction of the scanning lines located in the display area; or, the substrate comprises data lines, and the first direction is the extension direction of the data lines located in the display area; or, the display panel is provided with a first sub-edge, and the first direction is the extension direction of the first sub-edge; or the display panel is further provided with a non-display area at least partially surrounding the display area, the non-display area comprises a binding area, and the binding area is located on one side of the display area in the first direction.

The utility model relates to the technical field of back contact batteries, in particular to a back contact battery assembly and a photovoltaic system, the back contact battery assembly comprises a battery string, the battery string comprises battery pieces which are connected in series, the battery pieces comprise a first battery piece and a second battery piece which are arranged along a first direction, and a first insulating strip, the first insulating strip is arranged at one end, close to the first battery piece, of the second battery piece, the first bus bar is arranged on one side, back on to the second battery piece, of the first insulating strip, the first insulating strip and the first bus bar are arranged in an extending mode in the second direction, and the first welding strip is used for electrically connecting the first bus bar and the first battery piece. The first insulating strip is provided with an extension section extending out of the first bus bar, the extension section extends out of the second battery piece, and in the thickness direction of the second battery piece, the orthographic projection of the extension section at least partially coincides with the orthographic projection of the first battery piece. According to the utility model, the effective light-receiving area of the cell module can be increased, the conversion efficiency of the module is improved, the observed area of the bus bar from one side of the light-receiving surface is smaller and even can be completely hidden, the production difficulty is reduced, the risks of short circuit, subfissure and fragmentation of the cell piece are reduced, and the reliability is improved.

A display panel and a manufacturing method therefor, and a display device. A display panel (20) comprises: a substrate (21), a light-transmitting substrate (22), an electrophoretic liquid layer (23), a plurality of light converging and reflecting structures (24), and a plurality of corresponding scattering structures (25). The light converging and reflecting structures (24) reflect and converge light incident into the display panel (20), and direct the reflected light to the corresponding scattering structures (25), such that the reflected light passes through the scattering structures (25) and emerges from the display panel (20); and the scattering structures (25) can expand the irradiation area of the emergent light and improve the visual uniformity of the emergent light, thereby improving the display effect of the display panel (20). Moreover, the area of the orthographic projections of the scattering structures (25) on the substrate (21) is smaller than the area of the orthographic projections of the light converging and reflecting structures (24) on the substrate (21), such that at least part of the light incident to the light converging and reflecting structures (24) does not need to pass through the scattering structures (25), thereby reducing the loss of light, improving the reflection efficiency of the display panel (20), and improving the display effect of the display panel (20).

The invention discloses a display panel and a display device, the display panel comprises a central area and an edge area located on at least one side of the central area along a peep-proof direction, and the display panel further comprises a substrate, a plurality of pixel units, a shading layer and a reflection function layer. The plurality of pixel units are arranged on one side of the substrate in an array, and each pixel unit comprises a first sub-pixel and a second sub-pixel; the shading layer comprises shading parts arranged at intervals and light-transmitting openings formed between the adjacent shading parts, and orthographic projections of the light-transmitting openings are at least partially overlapped with the second sub-pixels; the reflection function layer comprises a reflection interface formed by surrounding at least the second sub-pixels, and the reflection interface is enclosed to form a reflection structure. The width size of the reflecting structure or the light-transmitting opening in the edge area is larger than the corresponding width size of the central area. According to the display panel, the widths of the light-transmitting openings or the widths of the reflection structures of the central area and the edge area are set in a differentiated mode, brightness attenuation of the edge area under a large visual angle is compensated, and therefore the overall CSF value and the display uniformity of the display panel are improved.