Optical-mechanical system, display screen display method, display screen display device, equipment, medium and product

Abstract

The invention relates to an optical-mechanical system, a display screen display method, a display screen display device, equipment, a medium and a product. The optical-mechanical system comprises a display screen and a color combination device. The display screen comprises a first display area and a second display area, pixel points in the first display area comprise sub-pixels of a first color, and pixel points in the second display area comprise at least one of sub-pixels of a second color or sub-pixels of a third color; the display screen is used for receiving the gray values of the sub-pixels in the image to be displayed for the sub-pixels of each color so as to display the brightness corresponding to the gray values in the display area of the sub-pixels including the colors in the first display area or the second display area; and the color combining device is used for combining the light rays emitted by the first display area and the light rays emitted by the second display area. The optical-mechanical system in the embodiment of the invention can perform full-color display.

Description

Technical Field

[0001] The present application relates to the field of optical display technology, and in particular to an optical-mechanical system, a display screen display method, a display screen display device, equipment, medium and product. Background Art

[0002] Since silicon-based Micro LED (Micro Light Emitting Diode) has the characteristics of high pixel density, high brightness and low power consumption, it is often used as the optical light source in AR (Augmented Reality) head-mounted display devices.

[0003] With the development of optical display technology, more and more AR headsets based on silicon-based Micro LED have been launched. However, in order to achieve full-color display of AR headsets, the manufacturing cost of existing optical-mechanical systems is high and the manufacturing process is complex, which results in existing AR headsets being able to only display in monochrome. Summary of the invention

[0004] Based on this, it is necessary to provide an optical-mechanical system, a display screen display method, a display screen display device, equipment, medium and product capable of full-color display in response to the above-mentioned technical problems.

[0005] In a first aspect, the present application provides an optical-mechanical system, the system comprising:

[0006] Display screens and color combining devices;

[0007] The display screen comprises a first display area and a second display area, the pixels in the first display area comprise sub-pixels of a first color, and the pixels in the second display area comprise at least one of sub-pixels of a second color or sub-pixels of a third color; the first color, the second color, and the third color are respectively one of three primary colors; and the pixels in the first display area correspond one-to-one to the pixels in the second display area;

[0008] The display screen is used for receiving, for each color sub-pixel, a grayscale value of the sub-pixel in the image to be displayed, so as to display a brightness corresponding to the grayscale value in the first display area or the second display area, or in a display area including the sub-pixel of the color; the color type of the sub-pixel included in the pixel point in the image to be displayed is the same as the color type of the sub-pixel in the display screen;

[0009] The color combining device is used to combine the light emitted from the first display area and the light emitted from the second display area.

[0010] In one of the embodiments, when the pixel points in the second display area include only sub-pixels of the second color or only sub-pixels of the third color, the color combining device is a color combining prism or an optical waveguide color combining device; when the pixel points in the second display area include both sub-pixels of the second color and sub-pixels of the third color, the color combining device is the color combining prism.

[0011] In one embodiment, the optical waveguide color combining device comprises:

[0012] a first light-incoupling diffraction grating, a first optical waveguide channel, and a first light-outcoupling diffraction grating corresponding to the first display area, and a second light-incoupling diffraction grating, a second optical waveguide channel, and a second light-outcoupling diffraction grating corresponding to the second display area;

[0013] The first light coupling diffraction grating is used to guide the light emitted from the first display area into the first light waveguide channel by diffraction;

[0014] The first optical waveguide channel is used to transmit the introduced light to the first optical outcoupling diffraction grating;

[0015] The first light outcoupling diffraction grating is used to output the light transmitted by the first optical waveguide channel through diffraction;

[0016] The second light coupling diffraction grating is used to guide the light emitted from the second display area into the second light waveguide channel by diffraction;

[0017] The second optical waveguide channel is used to transmit the introduced light to the second optical outcoupling diffraction grating;

[0018] The second light outcoupling diffraction grating is used to output the light transmitted by the second optical waveguide channel through diffraction.

[0019] In one of the embodiments, for any one of the first light-incoupling diffraction grating, the second light-incoupling diffraction grating, the first light-outcoupling diffraction grating or the second light-outcoupling diffraction grating, a plurality of grooves are engraved on the grating plane of the diffraction grating, the magnitude of the incident angle of the diffraction grating is related to the width of the grooves and the blaze angle, and the magnitude of the diffraction angle of the diffraction grating is related to the width of the grooves and the blaze angle; the incident angle is the angle between the incident light and the grating normal, the diffraction angle is the angle between the diffracted light and the grating normal, and the blaze angle is the angle between the groove slope and the grating plane.

[0020] In one of the embodiments, when the color combining device is the optical waveguide color combining device, the system further comprises:

[0021] A lens group consisting of multiple lenses;

[0022] The lens group is used to process different light rays emitted by the display screen so that the light rays incident on the same light coupling diffraction grating are parallel to each other.

[0023] In a second aspect, the present application provides a display screen display method, which is applied to the above-mentioned optical-mechanical system; the method comprises:

[0024] For a sub-pixel of a color to be displayed of a pixel point in an image to be displayed, obtaining a grayscale value of the sub-pixel;

[0025] Acquire a first correspondence between pixel points in the image to be displayed and pixel points in a first display area of ​​the display screen, and a second correspondence between pixel points in the image to be displayed and pixel points in a second display area of ​​the display screen;

[0026] When the color type of the sub-pixel in the first display area is the same as the color to be displayed, based on the first corresponding relationship, controlling the pixel points in the first display area to display the brightness corresponding to the grayscale value;

[0027] In a case where the color types of the sub-pixels in the second display area include the color to be displayed, based on the second corresponding relationship, the pixels in the second display area are controlled to display the brightness corresponding to the grayscale value.

[0028] In a third aspect, the present application provides a display screen display device, the device comprising:

[0029] A first acquisition module, configured to acquire a grayscale value of a sub-pixel of a color to be displayed of a pixel point in an image to be displayed;

[0030] A second acquisition module, used to acquire a first correspondence between pixel points in the image to be displayed and pixel points in the first display area of ​​the display screen, and a second correspondence between pixel points in the image to be displayed and pixel points in the second display area of ​​the display screen;

[0031] A first control module, configured to control the pixel points in the first display area to display the brightness corresponding to the grayscale value based on the first corresponding relationship when the color type of the sub-pixel in the first display area is the same as the color to be displayed;

[0032] A second control module is configured to control the pixel points in the second display area to display the brightness corresponding to the grayscale value based on the second corresponding relationship when the color types of the sub-pixels in the second display area include the color to be displayed.

[0033] In a fourth aspect, the present application further provides a computer device, which includes a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the method in any one of the above embodiments when executing the computer program.

[0034] In a fifth aspect, the present application further provides a computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method in any one of the above embodiments are implemented.

[0035] In a sixth aspect, the present application further provides a computer program product, including a computer program, which implements the steps of the method in any one of the above embodiments when executed by a processor.

[0036] The above-mentioned optical-mechanical system, display screen display method, display screen display device, equipment, medium and product can set a first display area and a second display area in the display screen as needed during the production process of the display screen, wherein the pixels in the first display area include sub-pixels of the first color, and the pixels in the second display area include sub-pixels of the second color or at least one of sub-pixels of the third color. In this way, it is possible to produce a display screen that can realize full-color display and a display screen that can realize dual-color display, which can meet the display requirements of different AR head-mounted display devices as much as possible, and the cost of producing such a display screen is low and the production process is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments of the present application or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 is a schematic diagram of an optical-mechanical system in one embodiment;

[0039] Figure 2 is a plan view schematic diagram of a display screen in one embodiment;

[0040] Figure 3 is a color combining light path diagram of a color combining prism in one embodiment;

[0041] Figure 4 is a schematic diagram of an optical waveguide color combining device in one embodiment;

[0042] Figure 5 is a schematic diagram of a diffraction grating in one embodiment;

[0043] Figure 6 A schematic diagram of a flow chart of a display screen display method in one embodiment;

[0044] Figure 7 It is a structural block diagram of a display screen display device in one embodiment;

[0045] Figure 8 FIG. 4 is a diagram showing the internal structure of a computer device in one embodiment.

[0046] Description of reference numerals:

[0047] 101 - display screen; 1011 - first display area; 1012 - second display area; 102 - color combining device. DETAILED DESCRIPTION

[0048] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0049] It is understood that the terms "first", "second", etc. used in this application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish a first element from another element. For example, without departing from the scope of this application, a first resistor may be referred to as a second resistor, and similarly, a second resistor may be referred to as a first resistor. Both the first resistor and the second resistor are resistors, but they are not the same resistor.

[0050] It can be understood that the “connection” in the following embodiments should be understood as “electrical connection”, “communication connection”, etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0051] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" and the like specify the presence of stated features, wholes, steps, operations, components, parts, or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof. At the same time, the term "and / or" used in this specification includes any and all combinations of the relevant listed items.

[0052] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0053] The optical-mechanical system provided in the embodiment of the present application is as follows: Figure 1 As shown. Among them, Figure 1 The optical-mechanical system includes a display screen 101 and a color combining device 102; the display screen 101 includes a first display area 1011 and a second display area 1012, the pixels in the first display area 1011 include sub-pixels of a first color, and the pixels in the second display area 1012 include sub-pixels of a second color or at least one of sub-pixels of a third color; the first color, the second color and the third color are respectively one of the three primary colors; the pixels in the first display area 1011 correspond to the pixels in the second display area 1012 one by one; the display screen 101 is used to receive the grayscale value of the sub-pixel in the image to be displayed for each color sub-pixel, so as to display the brightness corresponding to the grayscale value in the display area including the sub-pixel of the color in the first display area 1011 or the second display area 1012; the color type of the sub-pixel included in the pixel point in the image to be displayed is the same as the color type of the sub-pixel in the display screen 101; the color combining device 102 is used to combine the light emitted from the first display area with the light emitted from the second display area.

[0054] Optionally, the positions and sizes of the first display area 1011 and the second display area 1012 may be determined in the display screen 101 based on the condition that the color combining effect of the color combining device 102 is optimal, wherein the areas of the first display area 1011 and the second display area 1012 are the same.

[0055] Optionally, when the optical-mechanical system is a system for full-color display, the pixels in the second display area 1012 include sub-pixels of the second color and sub-pixels of the third color. Figure 2 is a plan view of the display screen 101, Figure 2 In the second display area 1012, the darker small squares represent sub-pixels of the second color, and the lighter small squares represent sub-pixels of the third color. Adjacent darker small squares and lighter small squares represent two sub-pixels included in the same pixel. For example, if the first color is red (R), the second color may be blue (B), and the third color may be green (G). Figure 2The remaining area except the first display area 1011 and the second display area 1012 is a blank area where brightness is not displayed; when the optical-mechanical system is a system for dual-color display, the pixels in the second display area 1012 only include sub-pixels of the second color or sub-pixels of the third color. Some schemes of full-color display and dual-color display can be shown in Table 1:

[0056] Table 1:

[0057] Solution 1 Solution 2 Solution 3 Solution 4 Solution 5 Solution 6 First display area G B R G B R Second display area R&B R&G B&G B G G Remark Full color solution Full color solution Full color solution Two-color scheme Two-color scheme Two-color scheme

[0058] Optionally, when the optical-mechanical system in the present embodiment is used for an AR head-mounted display device, the display screen 101 provides a light source for the color combining device 102 by displaying based on the image to be displayed. The color combining device 102 combines the light emitted from different display areas in the display screen 101 and projects the combined light into the human eye so that the human eye can see the picture in the image to be displayed.

[0059] Optionally, when the display screen 101 is a Micro LED display screen, the display screen 101 includes a display panel and a CMOS (Complementary Metal-Oxide-Semiconductor) driving backplane stacked together, and the first display area 1011 and the second display area 1012 are located in the display panel. The IC (Integrated Circuit) sends the image data of the image to be displayed to the display screen 101 through the data interface, and the CMOS driving backplane splits the image data to obtain the image data of the sub-pixel of each color of each pixel in the image to be displayed, and for the image data of the sub-pixel of each color, the image data is allocated to the pixel points in the display area with the same color for display. The image data includes grayscale values.

[0060] Optionally, in the process of preparing the display screen 101, it is only necessary to bond the epitaxy of the first display area 1011 and the second display area 1012 on the CMOS driving backplane respectively, and then uniformly perform the LED patterning process of exposure, development, and etching.

[0061] Optionally, in the process of driving the display panel 101, the pixels in the first display area 1011 and the pixels in the second display area 1012 may be driven respectively, wherein the driving process of the first display area 1011 and the second display area 1012 is performed simultaneously. The driving process includes row driving and column driving, wherein the row signal shares the gate driver and is driven row by row through the scan line, and the column signal is driven by the data signal transmitted row by row through the data driver.

[0062] The above-mentioned optical-mechanical system, during the process of producing a display screen, can set a first display area and a second display area in the display screen as required, wherein the pixels in the first display area include sub-pixels of a first color, and the pixels in the second display area include sub-pixels of a second color or at least one of sub-pixels of a third color. In this way, it is possible to produce a display screen that can realize full-color display and a display screen that can realize dual-color display, which can meet the display requirements of different AR head-mounted display devices as much as possible, and the cost of producing such a display screen is low and the production process is simple.

[0063] In some embodiments, when the pixel points in the second display area include only sub-pixels of the second color or only sub-pixels of the third color, the color combining device is a color combining prism or an optical waveguide color combining device; when the pixel points in the second display area include both sub-pixels of the second color and sub-pixels of the third color, the color combining device is a color combining prism.

[0064] Optionally, if the color combining device is a color combining prism, the schematic diagram of the optical-mechanical system and the color combining optical path diagram of the color combining prism are as follows: Figure 3 As shown, display area 1 represents the first display area, and display area 2 represents the second display area.

[0065] In some embodiments, the optical waveguide color combining device includes: a first light coupling-in diffraction grating, a first optical waveguide channel and a first light coupling-out diffraction grating corresponding to the first display area, and a second light coupling-in diffraction grating, a second optical waveguide channel and a second light coupling-out diffraction grating corresponding to the second display area; the first light coupling-in diffraction grating is used to guide the light emitted from the first display area into the first optical waveguide channel by diffraction; the first optical waveguide channel is used to transmit the introduced light to the first light coupling-out diffraction grating; the first light coupling-out diffraction grating is used to export the light transmitted by the first optical waveguide channel by diffraction; the second light coupling-in diffraction grating is used to guide the light emitted from the second display area into the second optical waveguide channel by diffraction; the second optical waveguide channel is used to transmit the introduced light to the second light coupling-out diffraction grating; the second light coupling-out diffraction grating is used to export the light transmitted by the second optical waveguide channel by diffraction.

[0066] Optionally, an optical waveguide color combining device for combining the three colors of red, green and blue may be used. Figure 4In this embodiment, according to the requirements of the first display area and the second display area, an optical waveguide color combining device that can combine two colors can be prepared. For example, the sub-pixels included in the pixel points in the first display area are red sub-pixels, and the sub-pixels included in the pixel points in the second display area are blue sub-pixels. Then, the optical waveguide color combining device only needs to be able to combine red and blue colors, and the optical waveguide color combining device only needs to include light coupling-in diffraction gratings, optical waveguide channels, and light coupling-out diffraction gratings corresponding to red and blue.

[0067] Optionally, the light rays outputted from different light-outcoupling diffraction gratings are combined to form a picture in the image to be displayed in the human eye.

[0068] In some embodiments, for any one of the first light-in-coupling diffraction grating, the second light-in-coupling diffraction grating, the first light-out-coupling diffraction grating or the second light-out-coupling diffraction grating, a plurality of grooves are engraved on the grating plane of the diffraction grating, the magnitude of the incident angle of the diffraction grating is related to the width of the groove and the blaze angle, and the magnitude of the diffraction angle of the diffraction grating is related to the width of the groove and the blaze angle; the incident angle is the angle between the incident light and the grating normal, the diffraction angle is the angle between the diffraction light and the grating normal, and the blaze angle is the angle between the groove bevel and the grating plane.

[0069] Optionally, taking the blue corresponding diffraction grating as an example, the schematic diagram of the diffraction grating is as follows Figure 5 As shown, Figure 5 In the equation, d represents the groove width, and θB represents the blaze angle of the diffraction grating corresponding to the blue light. According to the grating equation for the incident condition, the formula for determining the main maximum of each level of interference (blaze condition) is as follows:

[0070] 2dsinθB=mλ

[0071] Where m is the interference order and λ is the wavelength of blue light.

[0072] Optionally, the diffraction grating is a micro-nano structure, and the grooves on the surface of the grating are etched on the surface of the glass using semiconductor etching, nano-imprinting and other technologies to form different contrasts.

[0073] Alternatively, the size of the groove width and the blaze angle may be determined based on the wavelength λ of the corresponding color.

[0074] In some embodiments, when the color combining device is a light waveguide color combining device, the system further includes: a lens group consisting of a plurality of lenses; and a lens group for processing different light rays emitted by the display screen so that the light rays incident on the same light coupling diffraction grating are parallel to each other.

[0075] Alternatively, if Figure 4 As shown, Figure 4The lens group in is the lens group.

[0076] In one embodiment, Figure 6 As shown, a display screen display method is provided, and the method is applied to Figure 1 The optical-mechanical system in FIG. 1 is taken as an example to illustrate the method, which includes the following steps:

[0077] S602 . For a sub-pixel of a color to be displayed of a pixel point in an image to be displayed, obtain a grayscale value of the sub-pixel.

[0078] Optionally, if the pixel points in the image to be displayed are pixel points including sub-pixels of two colors, the colors to be displayed include the two colors; if the pixel points in the image to be displayed are pixel points including sub-pixels of three colors, the colors to be displayed include red, green and blue.

[0079] S604: Acquire a first correspondence between pixels in the image to be displayed and pixels in a first display area of ​​the display screen, and a second correspondence between pixels in the image to be displayed and pixels in a second display area of ​​the display screen.

[0080] Optionally, there may be a one-to-one correspondence, a one-to-many correspondence, or a many-to-one correspondence between the pixel points in the image to be displayed and the pixel points in the first display area of ​​the display screen, and the embodiment of the present application does not make any specific limitation on this; there may be a one-to-one correspondence, a one-to-many correspondence, or a many-to-one correspondence between the pixel points in the image to be displayed and the pixel points in the second display area of ​​the display screen, and the embodiment of the present application does not make any specific limitation on this.

[0081] S606 : When the color type of the sub-pixel in the first display area is the same as the color to be displayed, based on the first corresponding relationship, control the pixel points in the first display area to display the brightness corresponding to the grayscale value.

[0082] Optionally, the gamma curve of the display screen may be first obtained, and then the brightness value corresponding to the gray value may be determined from the gamma curve, and the pixel points in the first display area may be controlled to display based on the brightness value.

[0083] Optionally, the first corresponding relationship is used to determine a pixel point in the first display area corresponding to a pixel point in the image to be displayed.

[0084] S608 : When the color type of the sub-pixel in the second display area includes the color to be displayed, based on the second corresponding relationship, control the pixel points in the second display area to display the brightness corresponding to the grayscale value.

[0085] Optionally, a pixel point corresponding to a pixel point in the image to be displayed is first determined in the second display area based on the second corresponding relationship, and a sub-pixel corresponding to the color to be displayed in the corresponding pixel point is controlled to be displayed based on the grayscale value corresponding to the color to be displayed.

[0086] The above display screen display method obtains the grayscale value of the sub-pixel of the color to be displayed of the pixel point in the image to be displayed; obtains the first correspondence between the pixel point in the image to be displayed and the pixel point in the first display area of ​​the display screen, and the second correspondence between the pixel point in the image to be displayed and the pixel point in the second display area of ​​the display screen; when the color type of the sub-pixel in the first display area is the same as the color to be displayed, based on the first correspondence, the pixel point in the first display area is controlled to display the brightness corresponding to the grayscale value; when the color type of the sub-pixel in the second display area includes the color to be displayed, based on the second correspondence, the pixel point in the second display area is controlled to display the brightness corresponding to the grayscale value. The method provided in this embodiment can accurately display the picture in the image to be displayed in the human eye.

[0087] It should be understood that, although the various steps in the flowcharts involved in the above-mentioned embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above-mentioned embodiments can include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0088] Based on the same inventive concept, the embodiment of the present application also provides a display screen display device for implementing the display screen display method involved above. The implementation solution provided by the device to solve the problem is similar to the implementation solution recorded in the above method, so the specific limitations in one or more display screen display device embodiments provided below can refer to the limitations on the display screen display method above, and will not be repeated here.

[0089] In an exemplary embodiment, Figure 7 As shown, a display screen display device 700 is provided, comprising: a first acquisition module 701, a second acquisition module 702, a first control module 703 and a second control module 704, wherein:

[0090] The first acquisition module 701 is used to acquire the grayscale value of a sub-pixel of a color to be displayed of a pixel point in an image to be displayed.

[0091] The second acquisition module 702 is used to acquire a first correspondence between pixels in the image to be displayed and pixels in the first display area of ​​the display screen, and a second correspondence between pixels in the image to be displayed and pixels in the second display area of ​​the display screen.

[0092] The first control module 703 is used to control the pixel points in the first display area to display the brightness corresponding to the grayscale value based on the first corresponding relationship when the color type of the sub-pixel in the first display area is the same as the color to be displayed.

[0093] The second control module 704 is configured to control the pixel points in the second display area to display the brightness corresponding to the grayscale value based on the second corresponding relationship when the color types of the sub-pixels in the second display area include the color to be displayed.

[0094] Each module in the above-mentioned display screen display device can be implemented in whole or in part by software, hardware and their combination. Each of the above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to each of the above modules.

[0095] In an exemplary embodiment, a computer device is provided. The computer device may be a terminal, and its internal structure diagram may be as shown in FIG. Figure 8 As shown. The computer device includes a processor, a memory, an input / output interface, a communication interface, a display unit and an input device. The processor, the memory and the input / output interface are connected via a system bus, and the communication interface, the display unit and the input device are connected to the system bus via the input / output interface. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The input / output interface of the computer device is used to exchange information between the processor and an external device. The communication interface of the computer device is used to communicate with an external terminal in a wired or wireless manner, and the wireless manner can be implemented through WIFI, a mobile cellular network, near field communication (Near Field Communication, NFC) or other technologies. When the computer program is executed by the processor, a display screen display method is implemented.

[0096] Those skilled in the art will understand that Figure 8 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0097] In an exemplary embodiment, a computer device is provided, including a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the following steps when executing the computer program: for a sub-pixel of a color to be displayed of a pixel point in an image to be displayed, obtaining a grayscale value of the sub-pixel; obtaining a first correspondence between the pixel point in the image to be displayed and the pixel point in a first display area of ​​a display screen, and a second correspondence between the pixel point in the image to be displayed and the pixel point in a second display area of ​​the display screen; in a case where the color type of the sub-pixel in the first display area is the same as the color to be displayed, based on the first correspondence, controlling the pixel point in the first display area to display a brightness corresponding to the grayscale value; in a case where the color type of the sub-pixel in the second display area includes the color to be displayed, controlling the pixel point in the second display area to display a brightness corresponding to the grayscale value based on the second correspondence.

[0098] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: for a sub-pixel of a color to be displayed of a pixel point in an image to be displayed, obtaining a grayscale value of the sub-pixel; obtaining a first correspondence between the pixel point in the image to be displayed and the pixel point in a first display area of ​​a display screen, and a second correspondence between the pixel point in the image to be displayed and the pixel point in a second display area of ​​the display screen; in a case where the color type of the sub-pixel in the first display area is the same as the color to be displayed, based on the first correspondence, controlling the pixel point in the first display area to display a brightness corresponding to the grayscale value; in a case where the color type of the sub-pixel in the second display area includes the color to be displayed, controlling the pixel point in the second display area to display a brightness corresponding to the grayscale value based on the second correspondence.

[0099] In one embodiment, a computer program product is provided, comprising a computer program, which implements the following steps when executed by a processor: obtaining a grayscale value of a sub-pixel of a color to be displayed of a pixel point in an image to be displayed; obtaining a first correspondence between a pixel point in the image to be displayed and a pixel point in a first display area of ​​a display screen, and a second correspondence between a pixel point in the image to be displayed and a pixel point in a second display area of ​​the display screen; in a case where the color type of the sub-pixel in the first display area is the same as the color to be displayed, based on the first correspondence, controlling the pixel point in the first display area to display a brightness corresponding to the grayscale value; in a case where the color type of the sub-pixel in the second display area includes the color to be displayed, controlling the pixel point in the second display area to display a brightness corresponding to the grayscale value based on the second correspondence.

[0100] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, stored data, displayed data, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties, and the collection, use and processing of relevant data must comply with relevant regulations.

[0101] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in the present application can include at least one of non-volatile memory and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. Non-relational databases may include distributed databases based on blockchains, etc., but are not limited to this. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, an artificial intelligence (AI) processor, etc., but are not limited to this.

[0102] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this application.

[0103] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. An optical-mechanical system, characterized in that: The system comprises: Display screens and color combining devices; The display screen comprises a first display area and a second display area, the pixels in the first display area comprise sub-pixels of a first color, and the pixels in the second display area comprise at least one of sub-pixels of a second color or sub-pixels of a third color; the first color, the second color, and the third color are respectively one of three primary colors; and the pixels in the first display area correspond one-to-one to the pixels in the second display area; The display screen is used for receiving, for each color sub-pixel, a grayscale value of the sub-pixel in the image to be displayed, so as to display a brightness corresponding to the grayscale value in the first display area or the second display area, or in a display area including the sub-pixel of the color; the color type of the sub-pixel included in the pixel point in the image to be displayed is the same as the color type of the sub-pixel in the display screen; The color combining device is used to combine the light emitted from the first display area and the light emitted from the second display area.

2. The system according to claim 1, characterized in that When the pixel points in the second display area include only sub-pixels of the second color or only sub-pixels of the third color, the color combining device is a color combining prism or an optical waveguide color combining device; when the pixel points in the second display area include both sub-pixels of the second color and sub-pixels of the third color, the color combining device is the color combining prism.

3. The system according to claim 2, characterized in that The optical waveguide color combining device comprises: a first light-incoupling diffraction grating, a first optical waveguide channel, and a first light-outcoupling diffraction grating corresponding to the first display area, and a second light-incoupling diffraction grating, a second optical waveguide channel, and a second light-outcoupling diffraction grating corresponding to the second display area; The first light coupling diffraction grating is used to guide the light emitted from the first display area into the first light waveguide channel by diffraction; The first optical waveguide channel is used to transmit the introduced light to the first optical outcoupling diffraction grating; The first light outcoupling diffraction grating is used to output the light transmitted by the first optical waveguide channel through diffraction; The second light coupling diffraction grating is used to guide the light emitted from the second display area into the second light waveguide channel by diffraction; The second optical waveguide channel is used to transmit the introduced light to the second optical outcoupling diffraction grating; The second light outcoupling diffraction grating is used to output the light transmitted by the second optical waveguide channel through diffraction.

4. The system according to claim 3, characterized in that For any one of the first light-incoupling diffraction grating, the second light-incoupling diffraction grating, the first light-outcoupling diffraction grating or the second light-outcoupling diffraction grating, a plurality of grooves are engraved on the grating plane of the diffraction grating, the magnitude of the incident angle of the diffraction grating is related to the width of the grooves and the blaze angle, and the magnitude of the diffraction angle of the diffraction grating is related to the width of the grooves and the blaze angle; the incident angle is the angle between the incident light and the grating normal, the diffraction angle is the angle between the diffracted light and the grating normal, and the blaze angle is the angle between the groove bevel and the grating plane.

5. The system according to claim 2, characterized in that In the case where the color combining device is the optical waveguide color combining device, the system further includes: A lens group consisting of multiple lenses; The lens group is used to process different light rays emitted by the display screen so that the light rays incident on the same light coupling diffraction grating are parallel to each other.

6. A display screen display method, characterized in that: An optical-mechanical system as claimed in any one of claims 1 to 5; the method comprising: For a sub-pixel of a color to be displayed of a pixel point in an image to be displayed, obtaining a grayscale value of the sub-pixel; Acquire a first correspondence between pixel points in the image to be displayed and pixel points in a first display area of ​​the display screen, and a second correspondence between pixel points in the image to be displayed and pixel points in a second display area of ​​the display screen; When the color type of the sub-pixel in the first display area is the same as the color to be displayed, based on the first corresponding relationship, controlling the pixel points in the first display area to display the brightness corresponding to the grayscale value; In a case where the color types of the sub-pixels in the second display area include the color to be displayed, based on the second corresponding relationship, the pixels in the second display area are controlled to display the brightness corresponding to the grayscale value.

7. A display screen display device, characterized in that: The device comprises: A first acquisition module, configured to acquire a grayscale value of a sub-pixel of a color to be displayed of a pixel point in an image to be displayed; A second acquisition module, used to acquire a first correspondence between pixel points in the image to be displayed and pixel points in the first display area of ​​the display screen, and a second correspondence between pixel points in the image to be displayed and pixel points in the second display area of ​​the display screen; A first control module, configured to control the pixel points in the first display area to display a brightness corresponding to the grayscale value based on the first corresponding relationship when the color type of the sub-pixel in the first display area is the same as the color to be displayed; A second control module is configured to control the pixel points in the second display area to display the brightness corresponding to the grayscale value based on the second corresponding relationship when the color types of the sub-pixels in the second display area include the color to be displayed.

8. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the method described in claim 6 are implemented.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method described in claim 6 are implemented.

10. A computer program product, comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method described in claim 6 are implemented.

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