Preparation method and device of optical display equipment, equipment and storage medium

Abstract

The invention discloses a preparation method and device of optical display equipment, the equipment and a storage medium. The preparation method comprises the following steps: acquiring boundary coordinates and an augmented reality area size; preparing a grating layer according to the boundary coordinates and the size of the augmented reality area; and the grating layer is attached to the surface of the image generation unit, so that the augmented reality area covered by the grating layer is correspondingly imaged as a three-dimensional image, and the identification area not covered by the grating layer is correspondingly imaged as a two-dimensional image. According to the technical scheme, when the grating layer of the optical display equipment is prepared, the boundary coordinates and the size of the augmented reality area are obtained, the grating layer is accurately prepared according to the boundary coordinates and the size of the augmented reality area, and the grating layer is only attached to the augmented reality area, so that the resolution ratio and the brightness of the identification area are improved, and the display effect is improved. The image performance of the optical display device is improved.

Description

Technical Field

[0001] This invention relates to the field of optical technology, and in particular to a method, apparatus, device, and storage medium for manufacturing an optical display device. Background Technology

[0002] Glasses-free 3D display technology refers to a 3D display technology that allows users to view three-dimensional images directly with the naked eye without wearing special 3D glasses, presenting a 3D effect. Glasses-free 3D display technology includes techniques such as lenticular gratings and slit gratings. Its technical principle involves attaching a grating to the front of a liquid crystal display screen to achieve light splitting, thereby presenting stereoscopic images from both the left and right eye perspectives, allowing the user to see images and text while driving.

[0003] In head-up display (HUD) systems, only a portion of the displayed content typically requires a 3D effect, usually displayed in the augmented reality (AR) area of ​​the image. Other areas do not require 3D display. Covering areas that do not require 3D display with raster graphics reduces the clarity and brightness of the displayed area, resulting in a poorer display quality. Summary of the Invention

[0004] This invention provides a method, apparatus, device, and storage medium for manufacturing an optical display device, in order to solve the problem of poor display effect in areas of optical display systems that do not require 3D display in the prior art.

[0005] According to a first aspect of the present invention, a method for manufacturing an optical display device is provided. The optical display device includes an image generation unit and a grating layer stacked together. The image generation unit includes an augmented reality region and a marker region. The grating layer is disposed in the augmented reality region.

[0006] Preparation methods include:

[0007] Obtain the boundary coordinates and the size of the augmented reality region; where the boundary coordinates are the coordinates of the boundary between the augmented reality region and the identifier region on the image generation unit;

[0008] The grating layer is fabricated based on the boundary coordinates and the size of the augmented reality region;

[0009] A raster layer is attached to the surface of the image generation unit so that the augmented reality area covered by the raster layer is imaged as a three-dimensional image, and the identification area not covered by the raster layer is imaged as a two-dimensional image.

[0010] Optionally, obtain the boundary coordinates and augmented reality region size, including:

[0011] The control image generation unit generates a calibration image; wherein the calibration image includes coordinate axes and calibration lines on the coordinate axes;

[0012] Acquire a simulated virtual image of the calibration image; wherein, the simulated virtual image is the image of the calibration image on the windshield when the simulated grating completely covers the image generation unit;

[0013] The calibration lines on the calibration image are adjusted so that the curvature of the virtual calibration lines on the simulated virtual image is a preset curvature; wherein, the virtual calibration lines are the imaging of the calibration lines on the simulated virtual image; wherein, the preset curvature is the curvature of the boundary line between the augmented reality region and the marker region on the simulated virtual image;

[0014] Read the coordinates of the calibration line on the coordinate axes; where the curvature of the virtual calibration line is a preset curvature, the coordinates of the calibration line are the boundary line coordinates; determine the size of the augmented reality region based on the coordinate axes and the boundary line coordinates.

[0015] Optionally, a raster layer is fabricated based on the boundary coordinates and the size of the augmented reality region, including:

[0016] The graphic boundary of the raster layer is determined based on the boundary line coordinates and the size of the augmented reality area, and the raster layer is formed based on the graphic boundary.

[0017] Optionally, the graphic boundary of the raster layer is determined based on the boundary coordinates and the size of the augmented reality region, and the raster layer is formed based on the graphic boundary, including:

[0018] Obtain the glass substrate;

[0019] A graphic boundary line is set on a glass substrate according to the boundary line coordinates and the size of the augmented reality area; wherein the graphic boundary line on the glass substrate includes at least one grating layer;

[0020] The grating layer is fabricated based on the pattern boundary lines on the glass substrate.

[0021] Optionally, after attaching the grating layer to the surface of the image generation unit, the method further includes:

[0022] Obtain the field of view of the image generation unit, the field of view of the 3D image, and the field of view of the 2D image;

[0023] The quality of the raster layer is determined based on the field of view of the image generation unit, the field of view of the three-dimensional image, and the field of view of the two-dimensional image.

[0024] Optionally, the qualification of the raster layer is determined based on the field of view of the image generation unit, the field of view of the three-dimensional image, and the field of view of the two-dimensional image, including:

[0025] The field-view gap is determined based on the field-view angle of the image generation unit, the field-view angle of the three-dimensional image, and the field-view angle of the two-dimensional image; wherein, the field-view gap is the gap between the vertical field-view angle of the three-dimensional image and the vertical field-view angle of the two-dimensional image.

[0026] The quality of the grating layer is determined by the field-of-view gap.

[0027] According to a second aspect of the present invention, an apparatus for fabricating an optical display device is provided, for performing a method for fabricating an optical display device, the apparatus comprising:

[0028] The parameter acquisition unit is used to acquire the boundary line coordinates and the size of the augmented reality region; wherein, the boundary line coordinates are the coordinates of the boundary line between the augmented reality region and the identifier region on the image generation unit;

[0029] A grating fabrication unit is used to fabricate grating layers based on the boundary coordinates and the size of the augmented reality region.

[0030] The bonding unit is used to bond the grating layer to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image.

[0031] According to a third aspect of the present invention, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement a method for manufacturing an optical display device.

[0032] According to a fourth aspect of the present invention, a computer-readable storage medium is provided having a computer program stored thereon, which, when executed by a processor, implements a method for manufacturing an optical display device.

[0033] The technical solution of this invention obtains the boundary line coordinates and augmented reality area size when preparing the grating layer of the optical display device, accurately prepares the grating layer according to the boundary line coordinates and augmented reality area size, and attaches the grating layer only to the augmented reality area, thereby improving the resolution and brightness of the marking area, ensuring accurate display of the augmented reality area, and improving the image performance of the optical display device.

[0034] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of the present invention, nor is it intended to limit the scope of the invention. Other features of the invention will become readily apparent from the following description. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] Figure 1This is a schematic diagram of the structure of an optical display device according to an embodiment of the present invention;

[0037] Figure 2 This is a top view of the structure of the first image generation unit provided according to an embodiment of the present invention;

[0038] Figure 3 This is a flowchart of a method for manufacturing a first optical display device according to an embodiment of the present invention;

[0039] Figure 4 This is a schematic diagram of the bonding structure of an optical display device according to an embodiment of the present invention;

[0040] Figure 5 This is a schematic diagram of a head-up display system according to an embodiment of the present invention;

[0041] Figure 6 This is a flowchart of a method for manufacturing a second optical display device according to an embodiment of the present invention;

[0042] Figure 7 This is a schematic diagram of a virtual image provided according to an embodiment of the present invention;

[0043] Figure 8 This is a top view of the structure of the second image generation unit provided in an embodiment of the present invention;

[0044] Figure 9 This is a schematic diagram of a simulated virtual image provided according to an embodiment of the present invention;

[0045] Figure 10 This is a flowchart of a method for manufacturing a third optical display device according to an embodiment of the present invention;

[0046] Figure 11 This is a flowchart of a method for manufacturing a fourth optical display device according to an embodiment of the present invention;

[0047] Figure 12 This is a schematic diagram of the structure of a glass substrate according to an embodiment of the present invention;

[0048] Figure 13 This is a flowchart of a fifth optical display device manufacturing method according to an embodiment of the present invention;

[0049] Figure 14 This is a schematic diagram of the bonding of an optical display device according to an embodiment of the present invention;

[0050] Figure 15 This is a flowchart of a method for manufacturing a sixth type of optical display device according to an embodiment of the present invention;

[0051] Figure 16 This is a flowchart of a method for manufacturing a seventh optical display device according to an embodiment of the present invention;

[0052] Figure 17 This is a schematic diagram of the connection of a fabrication apparatus for an optical display device according to an embodiment of the present invention;

[0053] Figure 18 This is a schematic diagram of an electronic device structure according to an embodiment of the present invention, which is applied to a method for fabricating an optical display device. Detailed Implementation

[0054] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0055] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0056] Figure 1 This is a schematic diagram of the structure of an optical display device according to an embodiment of the present invention. Figure 2 This is a top view structural diagram of the first image generation unit provided according to an embodiment of the present invention. (Combined with...) Figure 1 and Figure 2As shown, the optical display device 1 includes an image generation unit 11 and a grating layer 12 stacked together. The image generation unit 11 includes an augmented reality region 111 and a labeling region 112. The grating layer 12 is disposed in the augmented reality region 111. The image generation unit 11 can be used to generate two-dimensional images and can be a liquid crystal display screen. The grating layer 12 can be a slit grating or a lenticular grating, etc. The grating layer 12, disposed on the image generation unit 11, divides the image into a left-eye parallax image and a right-eye parallax image. The images seen by the user's two eyes form a binocular parallax, thereby forming a simulated three-dimensional image. The augmented reality region 111 on the image generation unit 11 can be used to fuse virtual information such as navigation arrows and obstacle warnings with real road conditions. The labeling region 112 on the image generation unit 11 can be used to statically display basic parameters such as vehicle speed and rotation speed. While 3D display effects need to be applied in the augmented reality region 111 to fuse with the real scene, applying 3D display effects in the labeling region 112 may lead to a decrease in the clarity and brightness of complex icons and text, thus affecting the display effect. Therefore, this embodiment of the invention provides a method for manufacturing an optical display device 1, which is applied to the optical display device 1. Figure 3 This is a flowchart illustrating a method for fabricating a first optical display device according to an embodiment of the present invention. Figure 1 , Figure 2 and Figure 3 As shown, the method for manufacturing the optical display device 1 includes:

[0057] S10. Obtain the boundary line coordinates and the augmented reality region size. The boundary line coordinates are the coordinates of the boundary line between the augmented reality region 111 and the identification region 112 on the image generation unit 11. This boundary line can be the actual boundary line 113 shown in the figure. The augmented reality region size is the size of the outer contour of the augmented reality region.

[0058] There is a boundary line between the augmented reality region 111 and the identification region 112. The coordinates of the boundary line can reflect the positional relationship of the boundary line. By determining the coordinates of the boundary line, the corresponding grating layer 12 can be accurately prepared.

[0059] The size of the augmented reality region 111 can be the boundary size of the augmented reality region 111 on the image generation unit 11, thereby accurately preparing the corresponding grating layer 12 to ensure accurate coverage of the augmented reality region 111.

[0060] S11. Prepare the grating layer based on the boundary line coordinates and the size of the augmented reality region.

[0061] After determining the coordinates of the boundary line and the size of the augmented reality region 111, a corresponding grating layer 12 can be fabricated on the glass substrate.

[0062] S12. The grating layer is attached to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image.

[0063] Figure 4 This is a schematic diagram of the bonding structure of an optical display device according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 and Figure 4 As shown, the grating layer 12 is aligned and attached to the augmented reality area 111, so that the grating layer 12 only covers the augmented reality area 111, and the marking area 112 is not covered by the grating layer 12. Therefore, when displayed on the optical display device 1, only the augmented reality area 111 forms a binocular parallax three-dimensional image in the user's eyes, while the marking area 112 is only a two-dimensional image. This ensures both the effect of naked-eye 3D display and the display resolution of the marking area 112.

[0064] For example, Figure 5 This is a schematic diagram of a head-up display system according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the optical display device 1 is used in a head-up display system, which also includes a reflector. Light emitted from the optical display device 1 is projected onto the windshield 2 via the reflector, allowing the user to obtain driving information by observing the virtual image 3 on the windshield 2. In manufacturing the optical display device 1, the coordinates of the boundary line between the augmented reality area 111 and the marker area 112, as well as the size of the augmented reality area 111, are first obtained. Based on the boundary line coordinates and the size of the augmented reality area 111, a grating layer 12 is cut and prepared on a glass substrate. The prepared grating layer 12 is then accurately attached to the augmented reality area 111 of the image display unit. This ensures that when the user observes driving information, the augmented reality area 111 is a three-dimensional image, and the marker area 112 is a two-dimensional image. This not only ensures the fusion of virtual information such as navigation arrows and obstacle warnings with real road conditions, facilitating the user's access to road information, but also guarantees accurate acquisition of information from the marker area 112, improving the image performance of the optical display device 1.

[0065] The technical solution of this invention improves the resolution and brightness of the marking area by obtaining the boundary line coordinates and the size of the augmented reality area when preparing the grating layer of the optical display device, accurately preparing the grating layer according to the boundary line coordinates and the size of the augmented reality area, and attaching the grating layer only to the augmented reality area, thereby ensuring the accurate display of the augmented reality area and improving the image performance of the optical display device.

[0066] Based on the above embodiments, Figure 6This is a flowchart of a method for manufacturing a second optical display device according to an embodiment of the present invention. Figure 8 This is a top view structural diagram of the second image generation unit provided according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 8 As shown, the preparation method includes:

[0067] S20. The control image generation unit generates a calibration image. The calibration image 4 includes a coordinate axis 41 and a calibration line 42 on the coordinate axis 41.

[0068] in, Figure 7 This is a schematic diagram of a virtual image provided according to an embodiment of the present invention, combined with... Figure 2 , Figure 5 and Figure 7 As shown, in a head-up display system, the boundary line between the augmented reality area 111 and the marker area 112 observed by the user is often a straight line on the virtual image 3 of the windshield 2. However, due to optical distortion that often occurs during the imaging process from the image generation unit 11 to the virtual image 3, when the virtual image 3 is a straight line, the boundary line between the augmented reality area 111 and the marker area 112 on the actual image generation unit 11 is a curve, as shown below. Figure 2 As shown. To ensure the display effect of the head-up display system, the dividing line between the augmented reality area 111 and the signage area 112 can be set as a curve.

[0069] Since the image generation unit 11 can be a liquid crystal display screen, which can display corresponding images, the image generation unit 11 can be controlled to display the calibration image 4. The calibration image 4 can be an image including coordinate axes 41 and calibration lines 42 on the coordinate axes 41. The purpose of setting the calibration lines 42 can be to simulate the boundary line between the augmented reality area 111 and the identification area 112. For example, the image generation unit 11 can be controlled to display a grid-like coordinate axis 41, and the grid-like coordinate axis 41 can include calibration lines 42, which can be lines.

[0070] S21. Obtain a simulated virtual image of the calibration image. Among these steps... Figure 9 This is a schematic diagram of a simulated virtual image provided according to an embodiment of the present invention, such as... Figure 5 and Figure 9 As shown, when the simulated virtual image completely covers the image generation unit 11, the calibration image 4 is imaged on the windshield 2.

[0071] Since the optical display device 1 is used in a head-up display system, in order to accurately prepare the grating layer 12, it is necessary to obtain the boundary line coordinates under the real simulated scenario. That is, a simulated grating is set on the image generation unit 11. The simulated grating completely covers the image generation unit 11 and obtains the simulated virtual image on the windshield 2 in the head-up display system when the image generation unit 11 displays the calibration image 4.

[0072] It is understandable that both the augmented reality region 111 and the marker region 112 on the simulated virtual image are three-dimensional images. The purpose of the calibration line 42 on the calibration image 4 is to simulate the boundary line between the augmented reality region 111 and the marker region 112, and thus determine the coordinates of the boundary line between the augmented reality region 111 and the marker region 112 on the image acquisition unit.

[0073] S22. Adjust the calibration lines on the calibration image so that the curvature of the virtual calibration lines on the simulated virtual image is a preset curvature. The virtual calibration line 420 is the image of the calibration line 42 on the simulated virtual image. The preset curvature is the curvature of the pre-defined boundary line between the augmented reality region 111 and the marker region 112 on the simulated virtual image.

[0074] The calibration line 42 on the calibration image 4 can be adjusted by controlling the display image of the image generation unit 11. For example, the display image of the image generation unit 11 can be changed, replacing the calibration line 42 with the first curvature on the grid-like coordinate axis 41 with the calibration line 42 with the second curvature on the grid-like coordinate axis 41.

[0075] The preset curvature can be the curvature of the boundary line between the augmented reality region 111 and the marker region 112 on the virtual image 3 of the windshield 2. For example, if the boundary line between the augmented reality region 111 and the marker region 112 observed by the user is a straight line on the virtual image 3 of the windshield 2, then the preset curvature is 0, but the actual boundary line 113 on the image generation unit 11 is a curve. The curvature of the virtual calibration line 420 on the calibration image 4 can be adjusted while observing its curvature until it reaches the preset curvature.

[0076] S23. Read the coordinates of the calibration line on the coordinate axes and obtain the size of the augmented reality region. When the curvature of the virtual calibration line is a preset curvature, the coordinates of the calibration line are the coordinates of the actual boundary line.

[0077] The coordinates of the calibration line 42 can be read through coordinate axis 41, and these coordinates are the boundary line coordinates.

[0078] S24. Prepare the raster layer based on the boundary line coordinates and the size of the augmented reality region.

[0079] S25. A grating layer is attached to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image. For example, combined with... Figure 8 and Figure 9 As shown, the boundary line between the augmented reality area 111 and the marker area 112 observed by the user is set to be a straight line on the virtual image 3 of the windshield 2, with a preset curvature of 0. First, the image generation unit 11 is controlled to display the calibration image 4, and the simulated virtual image on the windshield 2 corresponding to the calibration image 4 is obtained. The curvature of the calibration line 42 on the corresponding calibration image 4 is adjusted according to the curvature of the virtual calibration line 420 on the simulated virtual image until the curvature of the virtual calibration line 420 is 0. At this time, the actual boundary line 113 on the corresponding image generation unit 11 is a curve, and the coordinates of the boundary line on the image generation unit 11 are recorded.

[0080] It is understood that, in order to accurately obtain the position of the boundary line between the augmented reality region 111 and the identification region 112, the technical solution of the present invention uses a method of simulating the generation of a calibration image 4. When the curvature of the virtual calibration line 420 on the simulated virtual image reaches a preset curvature, the coordinates of the boundary line on the image calibration unit are recorded at this time, so as to ensure the accuracy of the preparation of the grating layer 12 and the accurate display of the three-dimensional image and the two-dimensional image.

[0081] S26. Determine the size of the augmented reality region based on the coordinate axes and boundary line coordinates.

[0082] Since the calibration image 4 includes a coordinate axis 41, the outline of the augmented reality region 111 can be determined based on the boundary line coordinates. The specific dimensions of this outline can be determined based on the coordinate axis 41, thereby ensuring the accuracy of the grating layer 12 fabrication and ensuring that the grating layer only covers the augmented reality region. Based on the above embodiments, Figure 10 This is a flowchart of a third optical display device fabrication method according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 7 , Figure 8 and Figure 10 As shown, the preparation method includes:

[0083] S30, Obtain the boundary coordinates and augmented reality region size.

[0084] S31. Determine the graphic boundary of the raster layer based on the boundary line coordinates and the size of the augmented reality area, and form the raster layer based on the graphic boundary.

[0085] The graphic boundary can be the outline of the raster layer. The raster layer is fabricated after the outline of the raster layer is determined by the boundary line coordinates and the size of the augmented reality region.

[0086] S32. A grating layer is attached to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image. Based on the above embodiment, Figure 11 This is a flowchart of a method for manufacturing a fourth optical display device according to an embodiment of the present invention. Figure 12 This is a schematic diagram of the structure of a glass substrate according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 7 , Figure 8 , Figure 11 and Figure 12 As shown, the preparation method includes:

[0087] S40, Obtain the boundary coordinates and augmented reality region size.

[0088] S41. Obtain the glass substrate.

[0089] The glass substrate 6 can be used as the substrate for fabricating the grating layer 12.

[0090] S42. A pattern boundary line is set on the glass substrate according to the boundary line coordinates and the size of the augmented reality area. The glass substrate 6 includes at least one pattern boundary line of a grating layer 12.

[0091] Specifically, a graphic boundary line 60 can be drawn on the glass substrate 6 according to the boundary line coordinates and the size of the augmented reality region 111 so that the glass substrate 6 can be cut using a cutting tool later.

[0092] S43. Prepare a grating layer based on the pattern boundary lines on the glass substrate.

[0093] S44. The grating layer is attached to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image.

[0094] In some embodiments, a large glass substrate 6 can be provided, and multiple grating layers 12 can be fabricated simultaneously on the glass substrate 6. Specifically, multiple pattern boundary lines 60 can be drawn on the glass substrate 6 according to the boundary line coordinates and the size of the augmented reality region 111. Multiple grating layers 12 are obtained by cutting along the pattern boundary lines 60 using a cutting tool, thereby improving the fabrication efficiency of the optical display device 1. The pattern boundary lines 60 on the glass substrate 6 can be arranged in a way that allows for the fabrication of more grating layers 12, thereby reducing the cost of fabricating the grating layers 12.

[0095] It is understood that, since the grating layer 12 in this embodiment of the invention only covers the augmented reality region 111, the grating layer 12 in this embodiment of the invention consumes less material compared to the grating in the prior art, thereby reducing the cost of grating layer 12 fabrication and improving grating layer 12 processing efficiency.

[0096] Based on the above embodiments, Figure 13 This is a flowchart of a fifth optical display device manufacturing method according to an embodiment of the present invention. Figure 14 This is a bonding schematic diagram of an optical display device according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 , Figure 13 and Figure 14 As shown, the preparation method includes:

[0097] S50: Obtain the boundary coordinates and augmented reality region size.

[0098] S51. Prepare the raster layer based on the boundary line coordinates and the size of the augmented reality region.

[0099] S52. Apply an adhesive layer to the augmented reality area.

[0100] The purpose of setting the adhesive layer is to bond the grating layer 12.

[0101] S53. Place the raster layer on the side of the adhesive layer away from the image generation unit.

[0102] Specifically, by applying an adhesive layer only to the augmented reality region 111, the grating layer 12 is aligned and bonded to the image generation unit 11. Since the grating layer 12 has a smaller area than the grating in the prior art, the adhesive layer used in the bonding process is also reduced, further reducing the cost of manufacturing the optical display device 1.

[0103] Based on the above embodiments, Figure 15 This is a flowchart of a method for manufacturing a sixth type of optical display device according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 and Figure 15 As shown, the preparation method includes:

[0104] S60, Obtain the boundary coordinates and augmented reality region size.

[0105] S61. Prepare the raster layer based on the boundary line coordinates and the size of the augmented reality region.

[0106] S62. The grating layer is attached to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image.

[0107] S63. Obtain the field of view of the image generation unit, the field of view of the three-dimensional image, and the field of view of the two-dimensional image.

[0108] After the optical display device 1 is fabricated, it can be tested. A virtual image 3 on the windshield 2 is acquired by placing the optical display device 1 in the head-up display system. The field of view of the image generation unit, the three-dimensional image field of view, and the two-dimensional image field of view are determined based on the virtual image 3. For example, the three-dimensional image field of view is 13° × 4°, and the two-dimensional image field of view is 7° × 1°.

[0109] S64. Determine whether the raster layer is qualified based on the field of view of the image generation unit, the field of view of the three-dimensional image, and the field of view of the two-dimensional image.

[0110] In order to prevent the three-dimensional image and the two-dimensional image from overlapping in space, a gap of 0.5°-1.5° is set between the field of view of the three-dimensional image and the field of view of the two-dimensional image in the longitudinal spatial angle. By detecting the field of view of the image generation unit, the field of view of the three-dimensional image and the field of view of the two-dimensional image, it can be determined whether the gap between the field of view of the three-dimensional image and the field of view of the two-dimensional image in the longitudinal spatial angle is qualified, thereby preventing optical devices such as mirrors from interfering with the imaging optical path.

[0111] Based on the above embodiments, Figure 16 This is a flowchart of a method for manufacturing a seventh optical display device according to an embodiment of the present invention, combined with... Figure 1 , Figure 2 and Figure 16 As shown, the preparation method includes:

[0112] S70, Obtain the boundary coordinates and augmented reality region size.

[0113] S71. Prepare the raster layer based on the boundary coordinates and the size of the augmented reality region.

[0114] S72. The grating layer is attached to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image.

[0115] S73. Obtain the field of view of the image generation unit, the field of view of the three-dimensional image, and the field of view of the two-dimensional image.

[0116] S74. Determine the field-of-view gap based on the field-of-view angle of the image generation unit, the field-of-view angle of the 3D image, and the field-of-view angle of the 2D image. The field-of-view gap is the gap between the vertical field-of-view angle of the 3D image and the vertical field-of-view angle of the 2D image.

[0117] The field gap can be calculated based on the parameters of the vertical field of view in the field of view of the image generation unit, the vertical field of view in the three-dimensional image, and the vertical field of view in the two-dimensional image.

[0118] S75. Determine whether the grating layer is qualified based on the field of view gap.

[0119] For example, the vertical field of view in the image generation unit is 5°, the vertical field of view in the three-dimensional image is 4°, and the vertical field of view in the two-dimensional image is 1°. Then the field of view gap is 0°. At this time, the field of view gap is less than 0.5°, so the light from the three-dimensional image and the two-dimensional image are prone to interference. Therefore, the grating layer 12 is judged to be unqualified at this time.

[0120] The technical solution of this invention calculates the field-view gap to determine whether the grating layer is qualified, thereby ensuring the display effect of the optical display device.

[0121] Based on the same inventive concept. Figure 17 This is a schematic diagram of the connection of a fabrication apparatus for an optical display device according to an embodiment of the present invention, as shown below. Figure 17 As shown, this embodiment of the invention provides an apparatus for fabricating an optical display device, used to perform a method for fabricating an optical display device. The apparatus includes:

[0122] The parameter acquisition unit 100 is used to acquire the boundary line coordinates and the size of the augmented reality region. The boundary line coordinates are the coordinates of the boundary line between the augmented reality region and the identifier region on the image generation unit.

[0123] The grating fabrication unit 200 is used to fabricate a grating layer according to the boundary line coordinates and the size of the augmented reality region.

[0124] The bonding unit 300 is used to bond the grating layer to the surface of the image generation unit so that the augmented reality area covered by the grating layer is imaged as a three-dimensional image, and the identification area not covered by the grating layer is imaged as a two-dimensional image.

[0125] The apparatus for fabricating an optical display device provided in this embodiment of the invention can be used to execute any of the fabrication methods for an optical display device provided in the above embodiments, and has corresponding functional modules and the same technical effects.

[0126] Based on the same inventive concept, embodiments of the present invention also provide a computer device. Figure 18 This is a schematic diagram of an electronic device structure according to an embodiment of the present invention, which is applied to a method for manufacturing an optical display device. Figure 18As shown, it includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor. When the processor executes the program, it implements a method for fabricating an optical display device.

[0127] The term "electronic device" is intended to refer to various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. Electronic devices can also refer to various forms of mobile devices, such as personal digital processors, cellular phones, smartphones, wearable devices (e.g., helmets, glasses, watches), and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely illustrative and are not intended to limit the implementation of the invention described and / or claimed herein.

[0128] like Figure 18 As shown, the electronic device 50 includes at least one processor 51 and a memory, such as a read-only memory (ROM) 52 and a random access memory (RAM) 53, communicatively connected to the at least one processor 51. The memory stores computer programs executable by the at least one processor. The processor 51 can perform various appropriate actions and processes based on the computer program stored in the ROM 52 or loaded from storage unit 58 into the RAM 53. The RAM 53 can also store various programs and data required for the operation of the electronic device 50. The processor 51, ROM 52, and RAM 53 are interconnected via a bus 54. An input / output (I / O) interface 55 is also connected to the bus 54.

[0129] Multiple components in electronic device 50 are connected to I / O interface 55, including: input unit 56, such as keyboard, mouse, etc.; output unit 57, such as various types of monitors, speakers, etc.; storage unit 58, such as disk, optical disk, etc.; and communication unit 59, such as network card, modem, wireless transceiver, etc. Communication unit 59 allows electronic device 50 to exchange information / data with other devices through computer networks such as the Internet and / or various telecommunications networks.

[0130] Processor 51 can be a variety of general-purpose and / or special-purpose processing components with processing and computing capabilities. Some examples of processor 51 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special-purpose artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any suitable processor, controller, microcontroller, etc. Processor 51 performs the various methods and processes described above, such as those applied to the fabrication methods of optical display devices.

[0131] Based on the same inventive concept, embodiments of the present invention also provide a computer-readable storage medium storing a computer program thereon, which, when executed by a processor, implements a method for preparing an optical display device.

[0132] Of course, the computer-readable storage medium provided in the embodiments of the present invention has computer-executable instructions that are not limited to the method operations described above, but can also perform related operations in the manufacturing method of the optical display device provided in any embodiment of the present invention. (Continue referring to...) Figure 18 As shown, it is tangibly contained in a computer-readable storage medium, such as storage unit 58. In some embodiments, part or all of the computer program may be loaded and / or mounted on electronic device 50 via ROM 52 and / or communication unit 59. When the computer program is loaded into RAM 53 and executed by processor 51, one or more steps of the fabrication method for an optical display device described above may be performed. Alternatively, in other embodiments, processor 51 may be configured to perform the fabrication method for an optical display device by any other suitable means (e.g., by means of firmware).

[0133] Various embodiments of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), application-specific standard products (ASSPs), systems-on-a-chip (SoCs), payload-programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments may include implementations in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which may be a dedicated or general-purpose programmable processor, capable of receiving data and instructions from a storage system, at least one input device, and at least one output device, and transmitting data and instructions to the storage system, the at least one input device, and the at least one output device.

[0134] Computer programs used to implement the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, such that when executed by the processor, the computer programs cause the functions / operations specified in the flowcharts and / or block diagrams to be performed. The computer programs may be executed entirely on a machine, partially on a machine, or as a standalone software package, partially on a machine and partially on a remote machine, or entirely on a remote machine or server.

[0135] In the context of embodiments of the present invention, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in conjunction with an instruction execution system, apparatus, or device. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. More specific examples of machine-readable storage media include electrical connections based on one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fibers, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

[0136] It should be understood that the various forms of processes shown above can be used, with steps reordered, added, or deleted. For example, the steps described in this invention can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution of this invention can be achieved, and this is not limited herein.

[0137] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.

Claims

1. A method for producing an optical display device, characterized by, The optical display device comprises an image generation unit and a grating layer arranged in a stack; the image generation unit comprises an augmented reality region and an identification region; the grating layer is arranged in the augmented reality region; The preparation method comprises: obtaining a demarcation line coordinate and an augmented reality region size; wherein the demarcation line coordinate is a coordinate of a demarcation line between the augmented reality region and the identification region on the image generation unit; preparing a grating layer according to the demarcation line coordinate and the augmented reality region size; attaching the grating layer to the surface of the image generation unit, so that the augmented reality region covered by the grating layer corresponds to a three-dimensional image, and the identification region not covered by the grating layer corresponds to a two-dimensional image.

2. The production method according to claim 1, characterized by, Obtaining a demarcation line coordinate and an augmented reality region size comprises: controlling the image generation unit to generate a calibration image; wherein the calibration image comprises a coordinate axis and a calibration line on the coordinate axis; obtaining a simulated virtual image of the calibration image; wherein the simulated virtual image is an image of the calibration image on the windshield when the simulated grating completely covers the image generation unit; adjusting the calibration line on the calibration image so that the curvature of a virtual calibration line on the simulated virtual image is a preset curvature; wherein the virtual calibration line is an image of the calibration line on the simulated virtual image; wherein the preset curvature is a preset curvature of the demarcation line between the augmented reality region and the identification region on the simulated virtual image; reading the coordinates of the calibration line on the coordinate axis; wherein when the curvature of the virtual calibration line is the preset curvature, the coordinates of the calibration line are the demarcation line coordinates; determining the augmented reality region size according to the coordinate axis and the demarcation line coordinates.

3. The preparation method according to claim 1, characterized in that, Preparing a grating layer according to the demarcation line coordinate and the augmented reality region size comprises: determining the pattern boundary of the grating layer according to the demarcation line coordinate and the augmented reality region size, and forming the grating layer according to the pattern boundary.

4. The production method according to claim 3, characterized by, Preparing a grating layer according to the demarcation line coordinate and the augmented reality region size comprises: obtaining a glass substrate; setting a pattern boundary line on the glass substrate according to the demarcation line coordinate and the augmented reality region size; wherein the glass substrate comprises at least one pattern boundary line of the grating layer; preparing a grating layer according to the pattern boundary line on the glass substrate.

5. The preparation method according to claim 1, characterized in that, After attaching the grating layer to the surface of the image generation unit, further comprising: obtaining an image generation unit field of view angle, a three-dimensional image field of view angle, and a two-dimensional image field of view angle; determining whether the grating layer is qualified according to the image generation unit field of view angle, the three-dimensional image field of view angle, and the two-dimensional image field of view angle.

6. The production method according to claim 5, wherein Determining whether the grating layer is qualified according to the image generation unit field of view angle, the three-dimensional image field of view angle, and the two-dimensional image field of view angle comprises: Determine a field angle gap according to the field angle of the image generation unit, the field angle of the three-dimensional image and the field angle of the two-dimensional image; wherein the field angle gap is the gap between the vertical field angle of the three-dimensional image and the vertical field angle of the two-dimensional image; Judge whether the grating layer is qualified according to the field angle gap.

7. An apparatus for producing an optical display device, characterized by The preparation method for executing the optical display device in any one of claims 1-6, the preparation device of the optical display device comprises: A parameter acquisition unit is configured to acquire a demarcation line coordinate and an augmented reality region size; wherein the demarcation line coordinate is the coordinate of the demarcation line between the augmented reality region and the identification region on the image generation unit; A grating preparation unit is configured to prepare a grating layer according to the demarcation line coordinate and the augmented reality region size; A fitting unit is configured to fit the grating layer on the surface of the image generation unit, so that the augmented reality region covered by the grating layer corresponds to a three-dimensional image, and the identification region not covered by the grating layer corresponds to a two-dimensional image.

8. A computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, The processor executes the computer program to implement the preparation method in any one of claims 1-6.

9. A computer readable storage medium having stored thereon a computer program, characterized in that, The computer program is executed by the processor to implement the preparation method in any one of claims 1-6.

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