203results about How to "Reduce brightness" patented technology

The embodiment of the invention provides a display panel and a driving method thereof, a driving module and a display device, the display panel comprises at least two partitions, at least two first power supply voltage signal lines and at least two first initialization signal lines, one partition comprises at least one sub-pixel, and the sub-pixel comprises a light-emitting element; the first initialization signal lines connected with the first electrodes of the light-emitting elements in the at least two subareas are different, the second electrodes of the light-emitting elements in the at least two subareas are insulated from each other, and the first power supply voltage signal lines connected with the second electrodes of the light-emitting elements in the at least two subareas are different. The first initialization signal line is used for transmitting a first initialization signal for initializing a first electrode of the light-emitting element, and the first power supply voltage signal line is used for transmitting a negative power supply voltage signal. According to the embodiment of the invention, the initial cross-voltage value difference and the brightness difference of the light-emitting elements in different partitions can be reduced.

The invention discloses an energy-saving illumination control system and method for an urban illumination LED lamp group, and relates to the technical field of illumination control, and the system comprises an ambient light detection module, a traffic flow monitoring module, a time period division module, a weather information acquisition module, a weather information control module, an LED lamp group driving module, a wireless communication module, a high-precision photosensitive sensor for the ambient light detection module, a filtering and temperature compensation module, and an intensity measurement accurate data transmission module. The traffic flow monitoring module depends on geomagnetism or camera shooting, is high in precision and strong in recognition, and facilitates regulation and control through data; the time period division module accurately times and corrects time according to a clock chip, and sets illumination measures according to the time; the weather information acquisition module is networked to acquire meteorological data, and lamps are adjusted according to day conditions; and the control module multi-core microprocessor calculates illumination levels and brightness according to multi-source data to control lamp groups. According to multi-factor intelligent lamp control, energy saving is remarkable, lighting quality is good, comfort and safety are improved, remote monitoring and management can be achieved, troubleshooting is accurate and efficient, maintenance is convenient and fast, intelligent and green development of urban lighting is promoted, and the intelligent city construction requirement is met.

The invention relates to the technical field of frame type hydraulic machines, and discloses a machining device and process of a stand column for a frame type hydraulic machine. The device comprises a welding center, and the welding center is composed of a positioning mechanism, a welding mechanism, a reversing assembly, a driving assembly, a preheating assembly, a grinding mechanism and a plurality of auxiliary supporting mechanisms; the welding center is further provided with an outer circular pipe and an inner circular pipe, the positioning mechanism is installed in the inner circular pipe, the driving assembly is integrally assembled on the positioning mechanism, directional conveying of the steel component during welding is achieved, meanwhile, the steel component is pressed, the welding stress is reduced, and the reversing assembly is installed in the outer circular pipe and used for supporting and driving the inner circular pipe to rotate in the axial direction. According to the technical scheme, the assembly type inner framework can play a supporting role from the interior of the square tube during welding, the assembly type inner framework and the square tube form a whole after welding, the structural stability of the stand column during use is effectively improved, and meanwhile steel members can be pressed from the corners of the stand column to reduce welding stress.

The invention provides a negative electrode material and a battery, the negative electrode material comprises a silicon-based active substance and a carbon material located on at least part of the surface of the silicon-based active substance, and the silicon-based active substance comprises silicon, a silicon oxide and a metal M compound; the negative electrode material is subjected to a Lab chromatic aberration test, the brightness L, the red-green color degree a and the yellow-blue color degree b of the negative electrode material are obtained, L is larger than or equal to 15 and smaller than or equal to 35, a is larger than or equal to-2 and smaller than or equal to 5, and b is larger than or equal to-2 and smaller than or equal to 5; in the XRD spectrum of the negative electrode material, the half-peak width of the strongest characteristic peak in the compound of the metal M in the negative electrode material is FWHM (M), the half-peak width of the characteristic peak of the silicon (111) surface is FWHM (Si), and the ratio of FWHM (M) to FWHM (Si) is more than 0.2 and less than 0.8. According to the negative electrode material provided by the invention, the first efficiency and cycling stability of the negative electrode material can be improved, and the expansion efficiency of the negative electrode material is reduced.

The invention relates to the technical field of size detection, in particular to a size detection device and method special for a perfume bottle cap, and the device comprises a detection part which comprises a detection box body. Light emitted by the LED light source is refracted by the convex lens and then is flatly emitted to the projection curtain through the light cylinder and the open openings of the plurality of light barriers in parallel, and a part of the light is shielded by the bottle cap, so that a shadow is formed in the middle of the projection curtain; the camera shoots the front-back width and height of the shadow part on the projection curtain and compares the front-back width and height with the scale marks on the projection curtain, the width and height size of the bottle cap can be measured, multiple times of measurement are not needed, the detection efficiency is improved, the servo clamping jaw is driven to rotate through the output shaft of the angle adjusting motor, and the detection precision is improved. In the rotating process of the bottle cap, the two cameras carry out shooting continuously, the multi-dimensional angle of the bottle cap is measured, and the flexibility of size detection of the bottle cap is improved.

The invention relates to the technical field of LEDs, in particular to a quaternary yellow-green LED epitaxial wafer and a preparation method thereof. The quaternary yellow-green LED epitaxial wafer sequentially comprises a GaAs substrate, a GaAs buffer layer, an N-type gradient doped waveguide layer, a single quantum well active layer, a P-type gradient doped waveguide layer, a P-type self-absorption layer, a P-type transition layer and a P-type periodic current expansion layer from bottom to top. Through the design that the N / P type gradient doped waveguide layer is combined with the single quantum well active layer, the P type self-absorption layer and the P type GaP / GaAsP periodic current expansion layer, and the MOCVD technology is adopted for growth, the obtained low-brightness and high-reliability quaternary yellow-green LED epitaxial wafer structure has the advantages of being high in antistatic performance, excellent in aging performance, good in surface flatness and uniformity, high in light emitting efficiency and the like. The method has the characteristics of simple process, low production cost and raw material cost and the like, is used for replacing two-component and three-component LEDs grown by an LPE technology, and has better reliability and application prospect.

The invention discloses a pixel-level screen display adjusting method and device, a storage medium and computer equipment. The method comprises the steps that current display content of a screen is acquired; dividing the current display content into a plurality of display areas, and analyzing display pixel information of each display area to determine pixel-level brightness information of each display area; determining a to-be-adjusted area in each display area based on the pixel-level brightness information of each display area; target brightness information of the to-be-adjusted area is determined, and the brightness adjustment amount of the to-be-adjusted area is calculated based on the target brightness information and the pixel-level brightness information corresponding to the to-be-adjusted area; and adjusting the current display content of the to-be-adjusted area according to the brightness adjustment amount. Through pixel-level brightness adjustment, it can be ensured that each area on the screen reaches a proper brightness level, and visual discomfort caused by brightness difference is reduced.

The invention provides a light-emitting diode chip and a preparation method thereof, and the preparation method of the light-emitting diode chip comprises the steps: providing a substrate needed by growth, and sequentially depositing an N-type semiconductor layer, an active light-emitting layer and a P-type semiconductor layer on the substrate; preparing an N-type conductive through hole in the P-type semiconductor layer; preparing a current expansion layer on the P-type semiconductor layer and the N-type conductive through hole; preparing a current blocking layer on the current expansion layer, the P-type semiconductor layer which is not covered by the current expansion layer and the N-type conductive through hole which is not covered by the current expansion layer; preparing a current blocking layer through hole in the current blocking layer; preparing a first semiconductor layer on the current blocking layer and the current blocking layer through hole; stripping the substrate to completely expose the bottom of the N-type semiconductor layer; preparing a second semiconductor layer at the bottom of the N-type semiconductor layer; and preparing an N-type bonding pad on the first semiconductor layer.

The invention discloses a display device, a display control method and a nonvolatile computer storage medium, and belongs to the technical field of display. The display device comprises a display panel and a control assembly. The control assembly is used for obtaining display data; controlling a display device to display based on the display data; detecting whether a target pixel exists in a display area of the display device, wherein the target pixel comprises a bright pixel of which the brightness at least partially reaches a specified brightness within a specified time period; and when the target pixel exists in the display area, reducing the brightness of the target pixel. Whether the target pixel with high brightness exists in the display area of the display device is detected; and when the target pixel exists in the display area, the brightness of the target pixel is reduced, so that the situation that the target pixel cannot normally emit light due to the fact that the target pixel keeps high brightness for a long time is avoided, the problem that the risk of abnormal display of a display device in the related technology is high is solved, and the effect of reducing the risk of abnormal display of the display device is achieved.

The invention belongs to the technical field of flexible wearable electronic devices, and particularly relates to a flexible stretchable alternating current electroluminescent device and a preparation method thereof. The preparation method comprises the following steps: firstly, manufacturing the light-emitting layer by using an electrostatic spinning method, then coating one surface of the light-emitting layer with liquid metal, forming a patterned liquid metal bottom electrode according to needs, then spraying a silver nanowire top electrode on the other surface of the light-emitting layer, and finally, packaging by using transparent PDMS (Polydimethylsiloxane). And completing the manufacturing of the flexible wearable electroluminescent device on the fabric. The simplicity and convenience of the electrostatic spinning process and the optimization of the spinning solution of the light-emitting layer ensure that the device has a traditional flexible function and also has stable tensile property. A substrate of an ACEL device is omitted, the overall thickness of the device is greatly reduced while it is guaranteed that the device works stably under the stretching condition, and materials are saved.

The invention discloses a transflective display device and a driving method. The transflective display device comprises a display panel, a backlight module and a black light transmitting layer arranged between the display panel and the backlight module. The display panel comprises a first substrate, a second substrate and a liquid crystal layer, the liquid crystal layer adopts a TN alignment mode, the display panel is provided with a plurality of pixel units, the second substrate is provided with pixel electrodes corresponding to the pixel units, the first substrate is provided with an upper polaroid and common electrodes matched with the pixel electrodes, the second substrate is provided with a metal wire grid polaroid, and the metal wire grid polaroid is provided with a metal wire grid. And the light-transmitting axis of the metal wire grid polaroid is perpendicular to the light-transmitting axis of the upper polaroid. A display panel adopting a TN display mode is matched with a metal wire grid polaroid, so that transmission display and reflection display can be realized by adopting a single-layer liquid crystal box, and the thickness of the display device is reduced; the black light-transmitting layer is matched, and the black light-transmitting layer can absorb light penetrating through the metal wire grid polaroid, so that the brightness of a black state is reduced, and the contrast ratio during reflection display is improved.

The invention discloses a display compensation method, a display compensation device, display equipment and a storage medium. The method comprises the following steps: determining a corresponding target gray-scale value set based on an original gray-scale value of a to-be-displayed picture of a display panel; a first target gray-scale value larger than the original gray-scale value and a plurality of second target gray-scale values smaller than the original gray-scale value in the target gray-scale value set serve as display gray-scale values of all the sub-pixels, and the to-be-displayed image is displayed. Wherein the first target gray-scale value is a relatively high gray-scale value used for visual compensation, and the second target gray-scale value is a relatively low gray-scale value used for visual compensation. Therefore, by increasing the number of relatively low gray-scale values (the second target gray-scale value) and reducing the side-view brightness, the difference between the side-view brightness and the front-view brightness is reduced, so that the display brightness of the display panel at multiple visual angles is balanced, and efficient visual compensation is performed on the display panel.

The invention discloses a high-visibility point diffusion multi-point defocus lens and glasses with far and myopia protection, the high-visibility point diffusion multi-point defocus lens comprises a lens body, the lens body is provided with a central visual area, a point diffusion area, a defocus light condensation area and a peripheral visual area, and the adjacent areas are in arc transition; the central visible area is positioned in the optical center of the lens body and is used for enabling the eyes of a wearer to clearly see an object at the central position; the point diffusion area is positioned in an area outside the central visible area, is positioned in a position close to the upper part of the middle part of the lens body, and accounts for 40-60% of the surface area of the lens body; the point diffusion region consists of a plurality of diffusion units which are regularly arranged; the out-of-focus light condensation areas are distributed on the periphery of the central visible area in a fan ring shape; the peripheral visible area is distributed on the periphery of the defocus light condensation area in a fan ring shape and covers the edge area of the lens body. Through reasonable distribution of all the areas on the lenses, the hyperopia defocus phenomenon is effectively avoided, meanwhile, stimulation of high-brightness, high-contrast and bright-colored light to eyeballs is weakened, the growth speed of an eye axis is slowed down, the myopia degree is protected against deepening, and effective prevention and control of myopia development are achieved.

The invention relates to the technical field of lamps, in particular to an efficient heat dissipation type COB light source module capable of adjusting color temperature, and relates to the technical field of lamps, in particular to the efficient heat dissipation type COB light source module capable of adjusting the color temperature. Comprising a substrate, a low-color-temperature light source plate, a high-color-temperature light source plate, a low-color-temperature attenuation optical filter, a high-color-temperature attenuation optical filter, a high-color-temperature attenuation adjuster and a low-color-temperature attenuation adjuster, and the illumination intensity of the low-color-temperature light source plate and the illumination intensity of the high-color-temperature light source plate can be adjusted respectively, so that stepless adjustment of color temperature can be achieved. The problem that the color temperature of an existing lighting lamp cannot be conveniently adjusted is solved.

The invention discloses a grating structure, a preparation method of the grating structure and a diffraction optical waveguide, the grating structure comprises a plurality of structural units which are arranged on the surface of a waveguide substrate and are periodically arranged, each structural unit comprises a main body structure and an additional structure, and the main body structure and the additional structure are adjacently arranged and have the same height; the period of the structural unit is the sum of the width of the main body structure and the width of the additional structure; wherein the additional structure comprises at least two material layers, the refractive index of each material layer is gradually reduced along with the distance from the surface of the waveguide substrate, and the refractive index of each material layer is smaller than the refractive index of the main body structure; according to the grating structure provided by the invention, the unexpected rainbow effect can be improved, so that the display effect of the diffraction optical waveguide is improved.

The invention relates to the technical field of intelligent vehicles, and provides a cabin entertainment screen adjusting method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring ambient light information around an entertainment screen through N ambient light sensors, calling an adjustable lamp group to supplement ambient light when the acquired ambient light information meets a light supplement condition, and further acquiring first ambient light brightness after light supplement through a vehicle-mounted camera device, the display brightness of the entertainment screen is adjusted by using the brightness difference between the entertainment screen brightness and the first ambient light brightness after light supplement, so that the difference between the entertainment screen brightness and the ambient brightness can be reduced, the accuracy of display brightness adjustment of the entertainment screen is improved, and the user experience is improved.

The invention provides display equipment and a control method thereof, the display equipment comprises a display device, a human body detection device and a control device, and the human body detection device comprises a temperature sensor and a distance sensor. The control device is specifically configured to determine whether a human body exists on the display side of the display device according to the object position data from the distance sensor and the temperature data from the temperature sensor, and control the display device to display a picture. The object position data from the distance sensor and the temperature data from the infrared sensor can be combined in the display equipment, and whether the human body exists on the display side of the display device or not is jointly determined in a fusion processing mode, so that the accuracy rate of detecting the human body is increased, and the use experience of the display equipment is improved.

The invention provides a display panel and a driving method thereof, the display panel is used for displaying a picture in multiple frames, the multiple frames comprise multiple first frames and multiple second frames, and the multiple frames comprise multiple first sub-pixel groups and multiple second sub-pixel groups which are arranged in a staggered manner, the plurality of first gate signals are used for driving the plurality of corresponding first sub-pixel groups to be opened in the first frame, the plurality of second gate signals are used for driving the plurality of corresponding second sub-pixel groups to be opened in the second frame, the first frame and the second frame have an overlapping time period, and the flicker phenomenon under low frequency is improved.

The display manufacturing device includes a foreign matter removal device and an assembly device. The foreign matter removal device removes foreign matter from a plurality of semiconductor light emitting devices. The assembly device assembles the removed plurality of semiconductor light emitting devices onto a display substrate. Foreign matter includes magnetic foreign matter and non-magnetic foreign matter. The foreign matter removal device includes: a first module for filtering non-magnetic foreign matter from foreign matter in a plurality of semiconductor light emitting devices; and a second module for filtering magnetic foreign matter from foreign matter in a plurality of semiconductor light emitting devices.

The present invention provides an offline payment financial system and method based on blockchain, including: when one or both of a payment communication terminal or a payment communication terminal are offline, the payment communication terminal establishes a connection with the payment communication terminal and communicates with the payment communication terminal, the payment communication terminal receives payment data and payment account information sent by the payment communication terminal, the payment communication terminal verifies transaction information based on the payment data and the payment account information, the payment communication terminal completes payment processing based on the transaction information verification conclusion and feeds back the payment result and payment account information to the payment communication terminal, by establishing offline short-range communication, receiving payment data and payment account information, completing the processing of transaction bills in the offline state, and uploading the bill information, payment account information, and payment account information to the blockchain system, completing mobile payment in the offline state, and ensuring the normal operation of mobile payment in the absence of a network.

The invention is applicable to the technical field of image display, and particularly relates to a selective self-adaptive low-power-consumption image display method, which comprises the following steps: S100: acquiring an input image in a png format; s200, editing a division rule, and based on the division rule, clustering the input image into a class A, a class B and a class C; the division rule is that an average gray scale of three channels in the input image is calculated by using an average gray scale calculation formula, a gray scale threshold is configured, and if the average gray scale of the input image is smaller than the gray scale threshold, the input image is classified into a class A; and drawing a three-channel histogram by taking the gray value corresponding to the 8-bit digital image as an abscissa and the pixel number corresponding to each gray value as an ordinate, and defining a high-gray stage. According to the method, the input images are divided into the class A, the class B and the class C by using the overall brightness of the images, and adaptive processing is performed, so that the contradiction between the visual effect and the display power consumption is relieved.

The invention relates to a display brightness control method, a driving chip, a display device and an electronic device. The method comprises the following steps: determining the average brightness of a current frame of to-be-displayed image; judging whether to start an automatic current limiting function or not based on the average brightness of the current frame of to-be-displayed image; and reducing the brightness of the to-be-displayed image of the current frame in response to starting of the automatic current limiting function. According to the embodiment of the invention, by determining the average brightness of the to-be-displayed image of the current frame, judging whether the automatic current limiting function is started or not based on the average brightness of the to-be-displayed image of the current frame, and reducing the brightness of the to-be-displayed image of the current frame in response to the starting of the automatic current limiting function, the ACL function can be effective while the image of the current frame is refreshed; therefore, the problem of one-frame delay can be eliminated, and power consumption is greatly reduced.

The present application provides a display panel, which includes a light-emitting component and a scattering component. The light-emitting component includes a first light-emitting element, a second light-emitting element and a third light-emitting element. The scattering component includes a flexible layer, a first scattering element and a second scattering element. The first scattering element includes a plurality of first protrusions, and the second scattering element includes a plurality of second protrusions. The first scattering element is deformed so that the plurality of first protrusions are spaced apart, and the second scattering element is deformed so that the plurality of second protrusions are spaced apart. The spaced plurality of first protrusions scatter the first color light emitted by the first light-emitting element, so that the brightness of the first color light is reduced, and the spaced plurality of second protrusions scatter the second color light emitted by the second light-emitting element, so that the brightness of the second color light is reduced, and the third color light emitted by the third light-emitting element will be attenuated. Thereby, the brightness of the bending zone is balanced, the picture in the bending zone will not appear yellowish, and the overall display effect of the display panel is improved. The present application also provides a display device.

The invention relates to a lighting device (1) for a motor vehicle for producing a light function comprising a tail lamp and / or a brake lamp. The lighting device (1) according to the invention comprises a lighting unit (10) for generating a light function, the lighting unit (10) being divided into a plurality of segments (11, 12, 13) extending in a main direction (Y), the lighting unit (10) being designed to set the brightness in each of the plurality of segments (11, 12, 13) independently of one another to a predetermined value in order to generate a specific light function. Furthermore, a control unit is used to independently adjust the brightness of the plurality of segments (11, 12, 13), the control unit is designed to set a first high brightness (LUM1), which meets a brake light requirement, in a first segment (11) of the plurality of segments (11, 12, 13) when the light function to be generated comprises activation of the brake light, and to set a second low brightness (LUM2), which meets a tail light requirement or corresponds to a deactivated tail light, in a second segment (12) of the plurality of segments (11, 12, 13), and adjusting the brightness in a third segment (13), which is arranged between the first segment (11) and the second segment (12) in the main direction (Y) and adjoins them, in particular without interruption, from the first brightness (LUM1) of the first segment (11) to the second brightness (LUM2) of the second segment (12) according to a predetermined change function.

There is provided a display device configured to display a design, such as wood grain, harmonious with the surroundings when not in operation, in which a decrease in the brightness or the image quality of an image is suppressed. To this end, a display device (101) includes: a base material (1), a printed layer (2) formed on the front surface of the base material (1); a plurality of light emitting units (3) fixed to the front surface of the printed layer (2) and each containing an inorganic LED element, and a control unit (101b) configured to drive the plurality of light emitting units (3), in which a picture pattern harmonious with the surroundings where the display device (101) is installed is used as a picture pattern of the printed layer (2), and an observer is allowed to visually recognize the printed layer (2) when not in operation and allowed to visually recognize a luminous display image by light emission by the emitting units (3) when in operation. The all amounts of emitted light of the plurality of light emitting units (3) reaches the observer with almost no reduction, and therefore the decrease in the brightness of the image can be suppressed, and consequently the decrease in the image quality can be suppressed.

The embodiment of the invention provides a naked-eye 3D display device and a preparation method thereof, and belongs to the technical field of display. The naked-eye 3D display device comprises a display screen and a grating structure arranged on one side of the display screen; the grating structure comprises a first grating panel and a second grating panel which are oppositely arranged, the first grating panel comprises a first substrate and a first light-transmitting structure arranged on the first substrate, and the second grating panel comprises a second substrate and a second light-transmitting structure arranged on the second substrate; wherein the first substrate is connected with a substrate of the display screen, the first light-transmitting structure is connected with the second light-transmitting structure, and the second substrate is located on the side, away from the first light-transmitting structure, of the second light-transmitting structure; the first grating panel and the second grating panel are symmetrically arranged about the connection center line. According to the naked-eye 3D display device and the preparation method thereof provided by the embodiment of the invention, the problem of reducing 3D ghosting can be solved, and the watching experience of a user is improved.

A display device is provided. The display device includes: a plurality of first electrodes electrically connected to pixel circuitry disposed on a substrate; a pixel defining film defining a plurality of opening regions exposing a portion of each of the plurality of first electrodes; a plurality of light-emitting layers, each of the plurality of opening regions disposed on the first electrode; a second electrode covering the plurality of light-emitting layers and the pixel defining film; an encapsulation layer disposed on the second electrode; and a plurality of light-shielding patterns disposed on the encapsulation layer between the plurality of opening regions adjacent along a first direction.

The utility model provides a pair of anti-glare night driving glasses, which relates to the technical field of glasses, and is different from the traditional driving glasses in that each lens of the anti-glare night driving glasses comprises a lens body, the lens body sequentially comprises an objective lens, at least two reflecting prisms and an ocular lens from outside to inside, the objective lens and the eyepiece are arranged in a non-parallel mode, light is reflected through the reflecting prisms, the photochromic mirrors are arranged between the adjacent reflecting prisms, the photochromic mirrors are different in color depth under illumination of different brightness, a real image area with high brightness is deep in color, and a part with low brightness is not obvious in color change. Therefore, the photochromic mirror can modulate the brightness of a real image to enable the real image to be more uniform and obviously reduce the brightness of a strong light part, so that an observer has the effect that the brightness of the strong light part of a front object is greatly reduced when observing from an eyepiece.

The invention discloses multifunctional AB glue combined with a blue light blocking peep-proof structure. The multifunctional AB glue comprises a first PET release film, a peep-proof blue light structure layer, an anti-static coating, an anti-impact porous structure silica gel layer and a second PET release film, according to the invention, an AB glue structure integrating blue light blocking and preventing and efficient peep-proof functions is integrated, the structure integrates an inorganic nanotechnology and a high polymer material composite technology, accurate absorption and effective shielding of blue light in a specific wave band of 435-440 nm are realized, blue light penetration is effectively suppressed, smooth penetration of visible light in a wide range of 440-780 nm is maintained, and the blue light-blocking peep-proof coating has the advantages of high light-blocking and peep-proof functions, high light-blocking and peep-proof functions and high light-blocking and peep-proof functions. And in order to further improve the visual quality, the design adopts a mode of deeply fusing the blue light blocking solution and the black resin and backfilling the base material, so that not only is the blue light prevention performance enhanced, but also the overall transmittance is up to 73%.

The embodiments of the present invention provide a display panel and a driving method thereof, and a display device, which relate to the display field and are used to improve the edge jaggedness problem of a special-shaped display panel. The display panel includes: a display area and a shielding area adjacent to the display area; a plurality of pixels located in the display area, the plurality of pixels include regular pixels and edge pixels, the edge pixels are located between the regular pixels and the shielding area, and the boundary between the edge pixels and the shielding area is stepped; a first shielding portion, the first shielding portion is located on the side of the edge pixel facing the light emitting surface of the display panel; wherein the pixel includes a display light emitting diode, and in a direction perpendicular to the plane where the display panel is located, the first shielding portion overlaps with the display light emitting diode in the edge pixel.