Floating display lens and floating display structure and vehicle having the same

Abstract

The application provides a floating display lens, a floating display structure and a vehicle with the floating display lens, and the floating display lens comprises a mirror body, the mirror body comprises: a reflection array layer; a control layer, the control layer is arranged in a laminated manner with the reflection array layer, and the control layer is arranged on the upstream side of the reflection array layer in the light incidence direction, and the control layer is used for screening light meeting a preset condition to enter the reflection array layer. According to the floating display lens provided by the application, the control layer is arranged, the control layer can screen light, so that the influence of ambient light on the light emitted by the light emitting device can be reduced, and then the clarity of the floating projection can be ensured, and the imaging quality can be effectively ensured.

Description

Technical Field

[0001] This invention relates to the field of vehicle manufacturing technology, and in particular to a levitation display lens, a levitation display structure having the same, and a vehicle. Background Technology

[0002] In existing floating display lenses, ambient light enters the lens body and creates false images in the air, affecting the clarity of the floating projection and thus failing to guarantee the imaging quality of the floating projection. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, the present invention provides a floating display lens that can guarantee image quality.

[0004] The present invention also proposes a floating display structure having the above-mentioned floating display lens.

[0005] The present invention also proposes a vehicle having the above-described floating display structure.

[0006] According to a first aspect of the present invention, a floating display lens includes a mirror body, the mirror body including: a reflective array layer; and a control layer, the control layer being stacked with the reflective array layer, and the control layer being disposed upstream of the reflective array layer in the direction of light incidence, the control layer being used to filter light that meets preset conditions to enter the reflective array layer.

[0007] According to the floating display lens of the present invention, a control layer is provided, which can filter light, thereby reducing the influence of ambient light on the light emitted by the light-emitting device, thus ensuring the clarity of the floating projection and effectively guaranteeing the imaging quality.

[0008] According to some embodiments of the present invention, the control layer includes a polarization selection layer, which is used to filter light rays that conform to the polarization direction to enter the reflective array layer.

[0009] According to some optional embodiments of the present invention, the control layer includes: a grating layer disposed between the polarization selection layer and the reflective array layer, the grating layer being used to filter light rays that conform to a preset angle to enter the reflective array layer.

[0010] According to some embodiments of the present invention, the grating layer is a transmissive grating.

[0011] According to some embodiments of the present invention, the floating display lens includes: a light-shielding layer that extends in a ring shape along the circumference of the lens body, the light-shielding layer being configured to absorb ambient light.

[0012] According to some optional embodiments of the present invention, the light-shielding layer includes: a base layer; a light-absorbing layer, the light-absorbing layer being disposed on one side of the thickness direction of the base layer, the thickness direction of the base layer being perpendicular to the thickness direction of the mirror body, and the light-absorbing layer being used to absorb ambient light on at least one side of the thickness direction of the base layer.

[0013] According to some optional embodiments of the present invention, the light-absorbing layer includes a first layer and a second layer, the first layer and the second layer being stacked along the thickness direction of the substrate, and the first layer being disposed on the side of the second layer away from the substrate. The first layer is used to absorb light from the side of the substrate away from the mirror body, and the second layer is used to absorb ambient light from the side of the substrate facing the mirror body.

[0014] According to some embodiments of the present invention, the base layer is one of glass, resin, and metal, and / or the light-absorbing layer is one of light-absorbing ink, metal oxide, graphene, and carbon nanoparticles.

[0015] According to some embodiments of the present invention, the reflective array layer includes: an upper reflective array, the upper reflective array including a plurality of first reflectors, wherein the plurality of first reflectors extend along a first direction and are spaced apart along a second direction in the plane where the upper reflective array is located; and a lower reflective array, the lower reflective array including a plurality of second reflectors, wherein the plurality of second reflectors extend along the second direction and are spaced apart along the first direction in the plane where the lower reflective array is located, wherein the first direction intersects the second direction.

[0016] According to some optional embodiments of the present invention, the first reflector is provided with a reflective film on at least one side surface in the second direction, the reflective film being used to reflect light from the light-emitting device; and / or, the second reflector is provided with a reflective film on at least one side surface in the first direction, the reflective film being used to reflect light from the light-emitting device.

[0017] According to some optional embodiments of the present invention, the thickness of the reflective film is in the range of 100 nm to 1 μm.

[0018] According to some embodiments of the present invention, the reflective film is one of silver film, aluminum film, copper film, and chromium film.

[0019] According to some embodiments of the present invention, the first reflector is provided with an anti-reflection film or a light-absorbing material on at least one side surface in the first direction, the anti-reflection film being used to reflect light reflected multiple times within the mirror body to a light-shielding layer, and the light-absorbing material being used to absorb light reflected multiple times within the mirror body; and / or, the second reflector is provided with an anti-reflection film or a light-absorbing material on at least one side surface in the second direction, the anti-reflection film being used to reflect light reflected multiple times within the mirror body to a light-shielding layer, and the light-absorbing material being used to absorb light reflected multiple times within the mirror body.

[0020] According to some embodiments of the present invention, the first reflector is provided with an anti-reflection and anti-reflection film on at least one side surface in a third direction, the anti-reflection and anti-reflection film being used to improve the transmittance of light; and / or, the second reflector is provided with an anti-reflection and anti-reflection film on at least one side surface in the third direction, the anti-reflection and anti-reflection film being used to improve the transmittance of light, the first direction, the second direction and the third direction intersect each other, and the third direction is adapted to be parallel to the light incident direction of the light-emitting device.

[0021] According to some embodiments of the present invention, adjacent first reflectors are bonded together by a light-transmitting adhesive, and / or adjacent second reflectors are bonded together by the light-transmitting adhesive.

[0022] According to some embodiments of the present invention, the ratio of the height of the first reflector in a third direction to the width of the first reflector in the second direction is in the range of 1-4; and / or, the ratio of the height of the second reflector in a third direction to the width of the second reflector in the first direction is in the range of 1-4.

[0023] According to some embodiments of the present invention, the floating display lens includes: a protective layer, wherein there are two protective layers, and the two protective layers are disposed on two opposing sides of the reflective array layer and the control layer in a third direction.

[0024] A floating display structure according to a second aspect of the present invention includes: a floating display lens according to a first aspect of the present invention; and a light-emitting device for emitting light toward the floating display lens so that the light passes through the floating display lens and forms a floating projection on the side of the floating display lens opposite to the light-emitting device.

[0025] According to the floating display structure of the present invention, by setting the floating display lens of the first aspect embodiment above and setting the grating layer, the grating layer can further filter the light that has passed through the polarization selection layer, thereby reducing the influence of ambient light on the light emitted by the light-emitting device, and thus ensuring the clarity of the floating projection and effectively ensuring the imaging quality.

[0026] A vehicle according to a third aspect of the present invention includes a floating display structure according to a second aspect of the present invention.

[0027] According to the vehicle of the present invention, a floating display structure of the second aspect embodiment is provided, and a floating display lens of the first aspect embodiment is provided on the floating display structure. A grating layer is provided, which can further filter the light that has passed through the polarization selection layer, thereby reducing the influence of ambient light on the light emitted by the light-emitting device, and thus ensuring the clarity of the floating projection and effectively ensuring the imaging quality.

[0028] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of a floating display structure according to an embodiment of the present invention;

[0030] Figure 2 yes Figure 1 A schematic diagram of the floating display structure shown;

[0031] Figure 3 yes Figure 2 A schematic diagram of the polarization selection layer and the grating layer shown;

[0032] Figure 4 yes Figure 3 The diagram shown illustrates the principle of grating layer ray selection.

[0033] Figure 5 yes Figure 2 A schematic diagram of the light-shielding layer shown;

[0034] Figure 6 yes Figure 2 A schematic diagram of the lower reflective array and protective layer shown;

[0035] Figure 7 yes Figure 6 A schematic diagram of the second reflector shown;

[0036] Figure 8 yes Figure 2 The diagram shows a reflective array layer.

[0037] Figure label:

[0038] 100. Floating display lens;

[0039] 10. Reflective array layer; 11. Upper reflective array; 111. First reflector; 12. Lower reflective array; 121. Second reflector; 13. Reflective film; 14. Antireflective film; 15. Anti-reflective coating;

[0040] 20. Polarization selection layer;

[0041] 30. Grating layer;

[0042] 40. Light-blocking layer; 41. Base layer; 42. Light-absorbing layer; 421. First layer; 422. Second layer;

[0043] 50. Protective layer;

[0044] 200. Display devices;

[0045] 1000. Floating display structure. Detailed Implementation

[0046] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0047] The following is a reference appendix. Figure 1-8 A floating display lens 100 according to an embodiment of the present invention is described.

[0048] Reference Figure 1 Figure 2 Figure 3 and Figure 4 According to an embodiment of the present invention, the floating display lens 100 includes a mirror body (not shown in the figure), which includes a reflective array layer 10 and a control layer. The control layer is stacked with the reflective array layer 10, and the control layer is located upstream of the reflective array layer 10 in the light incident direction. The control layer is used to filter light that meets preset conditions to enter the reflective array layer 10. For example, such as... Figure 2 As shown, light enters from top to bottom, and the control layer is located on the upper side of the reflective array layer 10.

[0049] The floating display lens 100 according to an embodiment of the present invention is provided with a control layer, which can filter light, thereby reducing the influence of ambient light on the light emitted by the light-emitting device, thus ensuring the clarity of the floating projection and effectively guaranteeing the imaging quality.

[0050] According to some embodiments of the present invention, with reference to Figure 2 and Figure 3 The control layer includes a polarization selection layer 20, which is located upstream of the reflection array layer 10 in the direction of light incidence. The polarization selection layer 20 is used to select light rays that conform to the polarization direction to enter the reflection array.

[0051] According to some optional embodiments of the present invention, refer to Figure 2 and Figure 3 The control layer includes a grating layer 30, which is located between the polarization selection layer 20 and the reflection array layer 10. The grating layer 30 is used to filter light rays that meet a preset angle to enter the reflection array.

[0052] For example, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, light enters from top to bottom. The polarization selection layer 20 is disposed above the reflective array layer 10, and the grating layer 30 is located between the polarization selection layer 20 and the reflective array layer 10. Preferably, the polarization selection layer 20 is composed of a quarter-wave plate in the visible light band, thereby ensuring that the polarization selection layer 20 correctly selects light rays that conform to the polarization direction.

[0053] The light-emitting device emits light, which enters from top to bottom. The light first enters the polarization selection layer 20. Light that conforms to the polarization direction first enters the grating layer 30. If light that does not conform to the polarization direction enters the polarization selection layer 20, the polarization selection layer 20 will block or weaken the light in that direction entering the grating layer 30. The grating layer 30 will further filter the light that conforms to the preset angle and enter the reflection array. Light that does not conform to the preset angle will be weakened. The light that can enter the reflection array is reflected by the reflection array and finally achieves floating projection in the air.

[0054] The floating display lens 100 of the present invention is provided with a grating layer 30. The grating layer 30 can further filter the light passing through the polarization selection layer 20, and can further prevent light that does not conform to the preset angle from entering the reflection array, such as ambient light. This can reduce the influence of ambient light on the light emitted by the light-emitting device, thereby ensuring the clarity of the floating projection and effectively guaranteeing the image quality. At the same time, the grating layer 30 and the polarization selection layer 20 work together to filter ambient light or other light that does not conform to the preset angle, which can reduce the generation of false images in the floating projection, thereby facilitating the observation of the floating projection and effectively improving the user experience.

[0055] According to an embodiment of the present invention, the floating display lens 100 is provided with a grating layer 30. The grating layer 30 can further filter the light that has passed through the polarization selection layer 20, thereby reducing the influence of ambient light on the light emitted by the light-emitting device, and thus ensuring the clarity of the floating projection and effectively guaranteeing the imaging quality.

[0056] According to some embodiments of the present invention, with reference to Figure 3 and Figure 4 The grating layer 30 is a transmissive grating. This reduces internal diffraction and effectively ensures the grating layer 30's resistance to environmental interference, thereby guaranteeing the clarity of the levitation projection.

[0057] According to some optional embodiments of the present invention, refer to Figure 2 and Figure 5 The floating display lens 100 may include a light-shielding layer 40, which extends in a ring shape along the circumference of the lens body and is configured to absorb ambient light. Thus, the light-shielding layer 40 can reduce the amount of ambient light entering the interior of the lens body, thereby reducing the impact of ambient light. Simultaneously, the light-shielding layer 40 can also absorb ambient light incident into the interior of the lens body, as well as light reflected to the boundary of the lens body, thereby reducing interference from extraneous virtual images on the desired floating projection image and ensuring the clarity of the floating projection.

[0058] According to some optional embodiments of the present invention, refer to Figure 2 and Figure 5 The light-shielding layer 40 includes a base layer 41 and a light-absorbing layer 42. The light-absorbing layer 42 is disposed on one side of the base layer 41 in the thickness direction, and the thickness direction of the base layer 41 is the same as the thickness direction of the mirror body (e.g., ...). Figure 2 The mirror body shown is vertical in the vertical direction. The light-absorbing layer 42 is used to absorb ambient light on at least one side of the thickness direction of the base layer 41. That is, the light-absorbing layer 42 can absorb ambient light on one side of the thickness direction of the base layer 41, and the light-absorbing layer 42 can also absorb ambient light on both sides of the thickness direction of the base layer 41.

[0059] In this way, setting the base layer 41 can ensure the strength of the light-shielding layer 40 and effectively prevent damage to the light-shielding layer 40. At the same time, the base layer 41 can provide a fixed position for the light-absorbing layer 42, which is convenient for the installation of the light-absorbing layer 42. Furthermore, the reasonable setting of the light-absorbing layer 42 can enable the light-absorbing layer 42 to absorb ambient light from both sides of the thickness direction of the base layer 41.

[0060] For example, such as Figure 2 and Figure 5 As shown, taking the light-blocking layer 40 on the left as an example, the light-absorbing layer 42 is located on the left side of the base layer 41. The light-absorbing layer 42 can absorb ambient light from the left and right sides of the base layer 41.

[0061] According to some embodiments of the present invention, with reference to Figure 2 and Figure 5 The light-absorbing layer 42 includes a first layer 421 and a second layer 422. The first layer 421 and the second layer 422 are stacked along the thickness direction of the base layer 41, and the first layer 421 is located on the side of the second layer 422 away from the base layer 41. The first layer 421 is used to absorb light from the side of the base layer 41 away from the mirror body, and the second layer 422 is used to absorb ambient light from the side of the base layer 41 facing the mirror body.

[0062] In this way, the first layer 421 and the second layer 422 are set to absorb light from both sides of the thickness direction of the base layer 41, thereby ensuring the light absorption capacity of the light-absorbing layer 42 and effectively reducing the influence of ambient light on the floating projection. At the same time, the positions of the first layer 421 and the second layer 422 are reasonable and do not affect the arrangement of the mirror body, thereby ensuring the structural rationality of the floating display lens 100.

[0063] For example, such as Figure 2 and Figure 5 As shown, taking the light-shielding layer 40 on the left as an example, the first layer 421 is located on the left side of the base layer 41, and the second layer 422 is located between the first layer 421 and the base layer 41. The first layer 421 absorbs ambient light from the left side of the substrate, and the second layer 422 absorbs ambient light from the right side and light that does not conform to the preset angle.

[0064] According to some embodiments of the present invention, with reference to Figure 2 and Figure 5 The base layer 41 can be made of glass, resin, or metal. This ensures both the structural strength and light transmittance of the base layer 41.

[0065] Furthermore, such as Figure 2 and Figure 5 As shown, the light-absorbing layer 42 is one of the following: light-absorbing ink, metal oxide, graphene, or carbon nanoparticles. This ensures the light-absorbing capacity of the light-absorbing layer 42, effectively preventing the influence of ambient light on the levitation projection.

[0066] According to some embodiments of the present invention, with reference to Figure 6 , Figure 7 and Figure 8 The reflective array layer 10 includes an upper reflective array 11 and a lower reflective array 12. The upper reflective array 11 includes a plurality of first reflectors 111; that is, the upper reflective array 11 may include two, three, four, or more first reflectors 111. Within the plane of the upper reflective array 11, the plurality of first reflectors 111 are aligned along a first direction (e.g., ...). Figure 8 Extending in the left-right direction (as shown), and along the second direction (as shown) Figure 8 Arranged at intervals in the front-to-back direction as shown.

[0067] The lower reflective array 12 includes a plurality of second reflectors 121. That is, the lower reflective array 12 may include two, three, four or more second reflectors 121. In the plane where the lower reflective array 12 is located, the plurality of second reflectors 121 extend along a second direction and are arranged at intervals along a first direction, and the first direction intersects the second direction.

[0068] In this way, the upper reflective array 11 and the lower reflective array 12 can perform phase compensation for light rays with different incident angles, so that light rays that meet the preset angle can be reflected to the position of the floating projection, thereby ensuring the clarity of the floating projection.

[0069] For example, such as Figure 6 , Figure 7 and Figure 8 As shown, the upper reflective array 11 includes a plurality of first reflectors 111, which extend in the left-right direction and are arranged at intervals in the front-back direction. The lower reflective array 12 includes a plurality of second reflectors 121, which extend in the front-back direction and are arranged at intervals in the left-right direction, thereby forming an intersecting double-layer array. The first reflectors 111 and the second reflectors 121 have the same structure.

[0070] Preferably, the upper reflective array 11 can control horizontally polarized light, and the lower reflective array 12 can control vertically polarized light, thereby achieving dual-polarization multiplexing imaging. Simultaneously, the first reflector 111 and the second reflector 121 are made of materials with high transmittance, such as glass or optical resin, ensuring that light can be normally projected onto the reflective arrays. The upper reflective array 11 and the lower reflective array 12 are bonded together with optical adhesive, ensuring both proper connection between the two arrays and normal light penetration into the reflective arrays.

[0071] According to some embodiments of the present invention, with reference to Figure 6 , Figure 7 and Figure 8 The first reflector 111 in the second direction (e.g.) Figure 8 A reflective film 13 is provided on at least one surface of the first reflector 111 in the second direction (shown in the front-back direction). That is, the first reflector 111 may have a reflective film 13 on one surface in the second direction, or the first reflector 111 may have a reflective film 13 on both surfaces in the second direction. The reflective film 13 is used to reflect the light from the light-emitting device. This ensures that the upper reflective array 11 performs total internal reflection of the light from the light-emitting device, so that the light can be normally reflected to the lower reflective array 12.

[0072] Furthermore, such as Figure 6 , Figure 7 and Figure 8 As shown, the second reflector 121 in the first direction (e.g.) Figure 8A reflective film 13 is provided on at least one surface of the second reflector 121 in the first direction (shown in the left-right direction). That is, the second reflector 121 may have a reflective film 13 on one surface in the first direction, or the second reflector 121 may have a reflective film 13 on both surfaces in the first direction. The reflective film 13 is used to reflect the light from the light-emitting device. This ensures that the lower reflective array 12 will perform total internal reflection of the light from the light-emitting device, thereby enabling the floating projection to be displayed normally.

[0073] According to some optional embodiments of the present invention, refer to Figure 6 , Figure 7 and Figure 8 The thickness of the reflective film 13 is in the range of 100nm to 1μm. This ensures that the thickness of the reflective film 13 itself is sufficient to prevent light from passing through it, thus ensuring that the reflective film 13 can perform total internal reflection of light.

[0074] For example, such as Figure 6 , Figure 7 and Figure 8 As shown, the thickness of the reflective film 13 can be: 100nm, 200nm, 300nm, 400nm, 500nm, 600nm, 700nm, 800nm, 900nm or 1μm.

[0075] According to some embodiments of the present invention, with reference to Figure 6 , Figure 7 and Figure 8 The reflective film 13 is one of the following: silver film, aluminum film, copper film, or chromium film. This ensures the reflective effect of the reflective film 13, thereby guaranteeing the clarity of the levitation projection.

[0076] According to some embodiments of the present invention, with reference to Figure 6 , Figure 7 and Figure 8 The first reflector 111 in the first direction (e.g. Figure 8 An antireflective film 14 or a light-absorbing material is provided on at least one side surface of the first reflector 111 in the left-right direction. That is, the first reflector 111 may have an antireflective film 14 or a light-absorbing material on one side surface in the first direction, or the first reflector 111 may have an antireflective film 14 or a light-absorbing material on both sides surface in the first direction. The antireflective film 14 is used to reflect light that has been reflected multiple times in the mirror body to the light-shielding layer 40, and the light-absorbing material is used to absorb light that has been reflected multiple times in the mirror body.

[0077] This ensures that the light reflected multiple times within the mirror body can be absorbed by the light-shielding layer 40 or the light-absorbing material, thereby reducing the false images generated by the light reflected multiple times within the mirror body into the air medium, and thus effectively ensuring the contrast of the floating projection.

[0078] Furthermore, such as Figure 6 , Figure 7 and Figure 8 As shown, the second reflector 121 is in the second direction (e.g. Figure 8 An antireflective film 14 or a light-absorbing material is provided on at least one side surface of the second reflector 121 in the front-back direction. That is, the second reflector 121 may have an antireflective film 14 or a light-absorbing material on one side surface in the second direction, or the second reflector 121 may have an antireflective film 14 or a light-absorbing material on both sides surface in the second direction. The antireflective film 14 is used to reflect light that has been reflected multiple times in the mirror body to the light-shielding layer 40, and the light-absorbing material is used to absorb light that has been reflected multiple times in the mirror body.

[0079] This ensures that the light reflected multiple times within the mirror body can be absorbed by the light-shielding layer 40 or the light-absorbing material, thereby reducing the false images generated by the light reflected multiple times within the mirror body into the air medium, and thus effectively ensuring the contrast of the floating projection.

[0080] For example, such as Figure 6 , Figure 7 and Figure 8 As shown, the first reflector 111 has an anti-reflection film 14 or light-absorbing material on both sides of its left and right sides, and the second reflector 121 has an anti-reflection film 14 or light-absorbing material on both sides of its front and back sides.

[0081] According to some embodiments of the present invention, with reference to Figure 6 , Figure 7 and Figure 8 The first reflector 111 is in a third direction (such as...) Figure 8 An anti-reflection and anti-reflection film 15 is provided on at least one surface of the first reflector 111 in the vertical direction (as shown). That is, the anti-reflection and anti-reflection film 15 can be provided on one surface of the first reflector 111 in the vertical direction, or it can be provided on both surfaces of the first reflector 111 in the vertical direction. The anti-reflection and anti-reflection film 15 is used to improve the transmittance of light. As a result, the light energy utilization rate can be effectively improved, thereby ensuring the brightness of the levitation projection and facilitating observation.

[0082] Furthermore, such as Figure 6 , Figure 7 and Figure 8 As shown, the second reflector 121 is in a third direction (such as...) Figure 8 An anti-reflection and anti-reflection film 15 is provided on at least one surface of the second reflector 121 in the third direction (as shown in the vertical direction). That is, the second reflector 121 may have the anti-reflection and anti-reflection film 15 on one surface in the third direction, or it may have the anti-reflection and anti-reflection film 15 on both surfaces in the third direction. The anti-reflection and anti-reflection film 15 is used to improve the transmittance of light in the first direction (e.g., vertical direction). Figure 8 (as shown in the left and right directions), second direction (such as...) Figure 8The forward and backward directions shown intersect each other with the third direction, and the third direction is adapted to be parallel to the direction in which the light is incident on the light source. This effectively improves light energy utilization, thereby ensuring the brightness of the levitation projection and facilitating observation.

[0083] For example, such as Figure 6 , Figure 7 and Figure 8 As shown, the first reflector 111 has anti-reflection and anti-reflection coatings 15 on both sides of its vertical direction, and the second reflector 121 has anti-reflection and anti-reflection coatings 15 on both sides of its vertical direction.

[0084] According to some embodiments of the present invention, with reference to Figure 6 and Figure 7 Adjacent first reflectors 111 are bonded together with light-transmitting adhesive, and / or adjacent second reflectors 121 are bonded together with light-transmitting adhesive. Thus, the light-transmitting adhesive allows light to pass through, ensuring that light rays at a preset angle can pass through the adhesive and enter the reflective array.

[0085] Preferably, adjacent first reflectors 111 are bonded together with optical adhesive, the refractive index of which is the same as or very close to that of the first reflector 111. Adjacent second reflectors 121 are bonded together with optical adhesive, the refractive index of which is the same as or very close to that of the second reflector 121. This ensures that light can enter the reflective array normally.

[0086] According to some embodiments of the present invention, with reference to Figure 6 , Figure 7 and Figure 8 The first reflector 111 is in a third direction (such as...) Figure 8 The height of the first reflector 111 in the second direction (as shown in the vertical direction) and the height of the first reflector 111 in the second direction (as shown in the vertical direction) Figure 8 The ratio of the width of the reflector 111 (shown in the front-to-back direction) is in the range of 1-4. This allows the first reflector 111 to reflect light at a certain angle, thereby ensuring that the light can be reflected normally to the second reflector 121.

[0087] Furthermore, such as Figure 6 , Figure 7 and Figure 8 As shown, the second reflector 121 is in a third direction (such as...) Figure 8 The height of the second reflector 121 in the first direction (as shown in the vertical direction) and the height of the second reflector 121 in the vertical direction) are related to the height of the second reflector 121 in the first direction (as shown in the vertical direction). Figure 8 The ratio of the width of the reflector (in the left-right direction) is in the range of 1-4. This allows the second reflector 121 to reflect light at a certain angle, thus ensuring that the light can exit the mirror body normally to form a floating projection.

[0088] For example, such as Figure 6, Figure 7 and Figure 8 As shown, with Figure 7 Taking the second reflector 121 shown in the figure as an example, D in the figure represents the height of the second reflector 121 in the vertical direction, and W in the figure represents the width of the second reflector 121 in the horizontal direction. The first reflector 111 has the same structure as the second reflector 121.

[0089] Preferably, the ratio between the height and width of the first reflector 111 can be 1, 2, 3, or 4, and the ratio between the height and width of the second reflector 121 can be 1, 2, 3, or 4. For example, if the height of the first reflector 111 is 0.5 mm, then the width of the first reflector 111 can be in the range of 0.5 mm to 2 mm.

[0090] According to some embodiments of the present invention, with reference to Figure 2 The floating display lens 100 includes: two protective layers 50, which are disposed on the reflective array layer 10 and the control layer in a third direction (e.g., Figure 2 The protective layer 50 consists of two opposing surfaces (shown in the vertical direction). Therefore, the protective layer 50 protects the reflective array layer 10 and the control layer, effectively protecting the mirror body and preventing damage to its internal structure from impacts.

[0091] For example, such as Figure 2 As shown, there are two protective layers 50. The upper protective layer 50 is located above the polarization selection layer 20 of the control layer, and the lower protective layer 50 is located below the lower reflective array 12. Preferably, the lower reflective array 12 is bonded to the lower protective layer 50, which facilitates the connection between the lower reflective array 12 and the protective layer 50. The protective layer 50 is made of glass, which is inexpensive and easy to use in mass production.

[0092] According to a second aspect embodiment of the floating display structure 1000, referring to... Figure 1 and Figure 2 The first aspect of this embodiment includes: a floating display lens 100 and a light-emitting device. The light-emitting device is used to emit light to the floating display lens 100 so that the light passes through the floating display lens 100 and forms a floating projection on the side of the floating display lens 100 away from the light-emitting device.

[0093] For example, such as Figure 1 and Figure 2As shown, the light-emitting device 200 is located on one side of the floating display lens 100. Point O1 represents the light emitted by the light-emitting device 200, and point O2 represents the ambient light. The light from point O1 converges at point O1' on the other side after passing through the floating display lens 100. Similarly, the light from point O2 in the environment converges at point O2'. As can be seen from the figure, after the ambient light passes through the floating display lens 100, only a weak amount of ambient light is reflected into the air, thus effectively reducing the influence of the environment on the floating projection.

[0094] According to an embodiment of the present invention, the floating display structure 1000, by providing the floating display lens 100 of the first aspect embodiment described above, provides a grating layer 30. The grating layer 30 can further filter the light passing through the polarization selection layer 20, thereby reducing the influence of ambient light on the light emitted by the light-emitting device, and thus ensuring the clarity of the floating projection and effectively guaranteeing the imaging quality.

[0095] Furthermore, such as Figure 5 As shown, the incident angle β1 entering the reflective array layer 10 must satisfy the following formula:

[0096] β1≥arcsin(n1 / n2)(1)

[0097] Wherein, n1 is the refractive index of the reflective film 13, and n2 is the refractive index of the first reflector 111 or the second reflector 121.

[0098] Furthermore, such as Figure 5 As shown, the grating angle of its grating layer 30 is selected according to the following formula:

[0099] d(sinα-sinβ)=mλ(2)

[0100] Where m is the diffraction order (m = 0, ±1, ±2, ...), λ is the incident wavelength, d is the scribe line spacing, α is the incident angle, and β is the diffraction angle. It can be seen that light with m = 0 travels in a straight line at all wavelengths; therefore, wavelength separation is not possible for 0th-order light.

[0101] For the grating layer 20 in this embodiment, the incident light is determined by the light-emitting device 200, and is generally in the visible light wavelength range (400nm~760nm). The incident angle α is 30°~60°, and the outgoing light angle matches the reflective array layer 10.

[0102] Combining formulas (1) and (2), we have: the incident angle of the light entering the reflective array layer 10 is β1 = 90° - β; the spacing between the grating layers 30 is d = λ / (sinα - sinβ); and the angle between the incident light entering the mirror body and the mirror body is γ = 90° - α.

[0103] Therefore, assuming the incident angle of the light entering the reflective array layer 10 is 30°≤β1≤90°, the diffraction angle is 0°≤β≤60°. Furthermore, when the wavelength and the grating line spacing are determined, the range of the angle between the light from the light-emitting device 200 entering the mirror body and the mirror body is determined. Thus, the grating layer 30 can determine the incident light angle, thereby reducing the interference of ambient light.

[0104] The vehicle according to a third aspect embodiment of the present invention, referring to Figure 1 and Figure 2 This includes the floating display structure 1000 of the second aspect of this embodiment.

[0105] According to an embodiment of the present invention, a floating display structure 1000 of the second aspect is provided on the vehicle. The floating display structure 1000 is provided with the floating display lens 10 of the first aspect embodiment described above, and a grating layer 30 is provided. The grating layer 30 can further filter the light that has passed through the polarization selection layer 20, thereby reducing the influence of ambient light on the light emitted by the light-emitting device, and thus ensuring the clarity of the floating projection and effectively ensuring the imaging quality.

[0106] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0107] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0108] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0109] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0110] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A floating display lens (100), characterized in that, Includes a mirror body, the mirror body comprising: Reflective array layer (10); A control layer is stacked on top of the reflective array layer (10), and the control layer is located upstream of the reflective array layer (10) in the direction of light incidence. The control layer is used to filter light that meets preset conditions to enter the reflective array layer (10).

2. The floating display lens (100) according to claim 1, characterized in that, The control layer includes a polarization selection layer (20), which is used to select light rays that conform to the polarization direction to enter the reflective array layer (10).

3. The floating display lens (100) according to claim 2, characterized in that, The control layer includes a grating layer (30), which is disposed between the polarization selection layer (20) and the reflective array layer (10). The grating layer (30) is used to filter light rays that meet a preset angle to enter the reflective array layer (10).

4. The floating display lens (100) according to claim 3, characterized in that, The grating layer (30) is a transmissive grating.

5. The floating display lens (100) according to claim 1, characterized in that, include: A light-shielding layer (40) extends in a ring shape along the circumference of the mirror body, and the light-shielding layer (40) is configured to absorb ambient light.

6. The floating display lens (100) according to claim 5, characterized in that, The light-shielding layer (40) includes: Grassroots (41); A light-absorbing layer (42) is disposed on one side of the thickness direction of the base layer (41), the thickness direction of the base layer (41) is perpendicular to the thickness direction of the mirror body, and the light-absorbing layer (42) is used to absorb ambient light from at least one side of the thickness direction of the base layer (41).

7. The floating display lens (100) according to claim 6, characterized in that, The light-absorbing layer (42) includes a first layer (421) and a second layer (422). The first layer (421) and the second layer (422) are stacked along the thickness direction of the base layer (41), and the first layer (421) is disposed on the side of the second layer (422) away from the base layer (41). The first layer (421) is used to absorb light from the side of the base layer (41) away from the mirror body, and the second layer (422) is used to absorb ambient light from the side of the base layer (41) facing the mirror body.

8. The floating display lens (100) according to claim 6, characterized in that, The base layer (41) is one of glass, resin, or metal, and / or the light-absorbing layer (42) is one of light-absorbing ink, metal oxide, graphene, or carbon nanoparticles.

9. The floating display lens (100) according to claim 1, characterized in that, The reflective array layer (10) includes: The upper reflective array (11) includes a plurality of first reflectors (111). In the plane where the upper reflective array (11) is located, the plurality of first reflectors (111) extend along a first direction and are arranged at intervals along a second direction. The lower reflective array (12) includes a plurality of second reflectors (121). In the plane where the lower reflective array (12) is located, the plurality of second reflectors (121) extend along the second direction and are arranged at intervals along the first direction, and the first direction intersects the second direction.

10. The floating display lens (100) according to claim 9, characterized in that, The first reflector (111) has a reflective film (13) on at least one side surface in the second direction, the reflective film (13) being used to reflect the light from the light-emitting device; And / or, the second reflector (121) has a reflective film (13) on at least one side surface in the first direction, the reflective film (13) being used to reflect light from the light-emitting device.

11. The floating display lens (100) according to claim 10, characterized in that, The thickness of the reflective film (13) is in the range of 100 nm to 1 μm.

12. The floating display lens (100) according to claim 10, characterized in that, The reflective film (13) is one of silver film, aluminum film, copper film, and chromium film.

13. The floating display lens (100) according to claim 9, characterized in that, The first reflector (111) has an anti-reflection film (14) or a light-absorbing material on at least one side surface in the first direction. The anti-reflection film (14) is used to reflect light that has been reflected multiple times in the mirror body to the light-shielding layer (40), and the light-absorbing material is used to absorb light that has been reflected multiple times in the mirror body. And / or, the second reflector (121) is provided with an anti-reflection film (14) or a light-absorbing material on at least one side surface in the second direction, the anti-reflection film (14) being used to reflect light that has been reflected multiple times within the mirror body to the light-shielding layer (40), and the light-absorbing material being used to absorb light that has been reflected multiple times within the mirror body.

14. The floating display lens (100) according to claim 9, characterized in that, The first reflector (111) has an anti-reflection and anti-reflection film (15) on at least one side surface in a third direction, the anti-reflection and anti-reflection film (15) being used to improve the transmittance of light; And / or, the second reflector (121) is provided with an anti-reflection and anti-reflection film (15) on at least one side surface of the third direction, the anti-reflection and anti-reflection film (15) being used to improve the transmittance of light, the first direction, the second direction and the third direction intersecting each other, and the third direction being adapted to be parallel to the light incident direction of the light-emitting device.

15. The floating display lens (100) according to claim 9, characterized in that, Adjacent first reflectors (111) are bonded together by light-transmitting adhesive, and / or adjacent second reflectors (121) are bonded together by the same light-transmitting adhesive.

16. The floating display lens (100) according to claim 9, characterized in that, The ratio of the height of the first reflector (111) in the third direction to the width of the first reflector (111) in the second direction is in the range of 1-4; And / or, the ratio of the height of the second reflector (121) in the third direction to the width of the second reflector (121) in the first direction is in the range of 1-4.

17. The floating display lens (100) according to any one of claims 1-16, characterized in that, include: The protective layer (50) consists of two layers, which are disposed on opposite sides of the reflective array layer (10) and the control layer in a third direction.

18. A floating display structure (1000), characterized in that, include: The floating display lens (100) according to any one of claims 1-17; A light-emitting device is used to emit light to a floating display lens (100) so that the light passes through the floating display lens (100) and forms a floating projection on the side of the floating display lens (100) away from the light-emitting device.

19. A vehicle, characterized in that, Includes the floating display structure (1000) as described in claim 18.

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