CN112198663B - Lens assembly, manufacturing method and intelligent glasses - Google Patents
Lens assembly, manufacturing method and intelligent glasses Download PDFInfo
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- CN112198663B CN112198663B CN202010997803.4A CN202010997803A CN112198663B CN 112198663 B CN112198663 B CN 112198663B CN 202010997803 A CN202010997803 A CN 202010997803A CN 112198663 B CN112198663 B CN 112198663B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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Abstract
The embodiment of the application provides a lens assembly, a manufacturing method and intelligent glasses, wherein the lens assembly comprises a display lens, a protective lens, a connecting piece and a supporting structure, the display lens and the protective lens are arranged at intervals, and a grating structure is arranged on the surface of the display lens facing the protective lens; the connecting piece is used for connecting the protective lens and the display lens; the support structure is arranged between the protective lens and the display lens, and the height of the support structure is larger than that of the grating structure. According to the embodiment of the application, the protective lens and the display lens are connected through the connecting piece, the supporting structure is arranged between the display lens and the protective lens, and the height of the supporting structure is larger than that of the grating structure on the display lens, so that when the lens component is deformed, the supporting structure can reduce the deformation degree of the lens component, and the grating structure is further protected from being damaged.
Description
Technical Field
The application relates to the technical field of wearable equipment, in particular to a lens assembly, a manufacturing method and intelligent glasses.
Background
With the technical development of wearable devices, smart glasses products such as augmented Reality (Augmented Reality, AR) glasses, virtual Reality (VR) glasses, and the like are also becoming more and more popular. Smart glasses are typically provided with lenses on which a user can view a corresponding virtual image. Optical waveguide glass is usually arranged in the lens, but the special material of the optical waveguide glass is easy to damage the optical waveguide glass when being impacted or pressed.
Disclosure of Invention
The embodiment of the application provides a lens assembly, a manufacturing method and intelligent glasses, which can reduce the deformation degree of the lens assembly when the lens assembly is deformed by external force.
An embodiment of the present application provides a lens assembly comprising:
protecting the lens;
the display lens is arranged at intervals with the display lens, and a grating structure is arranged on the surface of the display lens facing the protective lens;
the connecting piece is used for connecting the protective lens and the display lens; and
the support structure is arranged between the protective lens and the display lens, and the height of the support structure is larger than that of the grating structure.
The embodiment of the application also provides a manufacturing method of the lens assembly, which is applied to the lens assembly, wherein the lens assembly comprises a protective lens, a display lens, a connecting piece and a supporting structure, and the method comprises the following steps:
forming a grating structure on a surface of the display lens;
forming a support structure between the display lens surface and the protective lens surface, the support structure having a height greater than a height of the grating structure;
the protective lens and the display lens are connected through a connecting piece, and the height of the connecting piece is larger than that of the supporting structure.
The application also provides intelligent glasses, which comprise:
a spectacle assembly, as described above;
and the lens component is arranged on the eyeglass frame.
According to the embodiment of the application, the protective lens and the display lens are connected through the connecting piece, the supporting structure is arranged between the display lens and the protective lens, and the height of the supporting structure is larger than that of the grating structure on the display lens, so that when the lens assembly is deformed by external force, the supporting structure can reduce the deformation degree of the lens assembly, and the grating structure is further protected from being damaged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a lens assembly according to an embodiment of the present application.
Fig. 2 is an exploded view of a lens assembly according to an embodiment of the present application.
Fig. 3 is a schematic cross-sectional view of a lens assembly along the direction P1-P1 according to an embodiment of the present application.
Fig. 4 is a schematic cross-sectional view of a lens assembly along the direction P1-P1 according to an embodiment of the present application.
Fig. 5 is a schematic view of the structure of the display lens and support structure shown in fig. 4.
Fig. 6 is a schematic cross-sectional view of a lens assembly along the direction P1-P1 according to an embodiment of the present application.
Fig. 7 is a schematic view of the protective lens and support structure of fig. 6.
Fig. 8 is a fourth cross-sectional view of a lens assembly along the direction P1-P1 according to an embodiment of the present application.
Fig. 9 is a flowchart of a method for manufacturing a lens assembly according to an embodiment of the application.
Fig. 10 is a schematic structural diagram of an intelligent glasses according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Embodiments of the present application provide a lens assembly that may be applied to smart glasses, where the smart glasses may be AR (Augmented Reality) glasses, VR glasses (Virtual Reality), MR (Mixed Reality) glasses, or other types of smart glasses.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a lens assembly according to an embodiment of the present application, fig. 2 is an exploded schematic structural diagram of the lens assembly according to an embodiment of the present application, and fig. 3 is a schematic sectional view of the lens assembly along a direction P1-P1 according to an embodiment of the present application.
The lens assembly 10 includes a display lens 100, a protective lens 200, a connecting member 300 and a supporting structure 400, wherein the display lens 100 and the protective lens 200 are disposed at intervals, a grating structure 110 is disposed on a surface of the display lens 100 facing the protective lens 200, the connecting member 300 is used for connecting the protective lens 200 and the display lens 100 to form an accommodating space 500 between the display lens 100 and the protective lens 200, the supporting structure 400 is disposed between the protective lens 200 and the display lens 100 and is located in the accommodating space 500, and a height of the supporting structure 400 is greater than a height of the grating structure 110.
Display lens 100 includes a grating structure 110 and an optical waveguide glass 120, where grating structure 110 can couple light (e.g., effective light from a micro-display) into optical waveguide glass 120 to display an image on optical waveguide glass 120. Wherein the optical waveguide glass 120 may serve as a substrate, and the grating structure 110 may be molded on a surface of the optical waveguide glass 120. For example, the grating structure 110 may be processed onto the surface of the optical waveguide glass 120 by using a nanoimprint technology, where the grating structure 110 is a nano-structure, and is easily damaged by pressure impact, so that the display function of the optical waveguide glass 120 is damaged, and the optical waveguide glass 120 is usually not reinforced high refractive index glass, and has weak compression resistance and impact resistance, and is easily broken by impact. It will be appreciated that since the grating structure has a certain height, the protective lens 200 and the display lens 100 need to form the accommodating space 500 as shown in fig. 3 for accommodating the grating structure 110, but when the lens assembly 10 is subjected to pressure given from the outside, the lens assembly 10 is easily deformed due to the accommodating space 500, resulting in contact between the protective lens and the grating structure, and the grating structure is easily lodged, collapsed or abnormally deformed.
In order to solve the above problems, the present application provides the support structure 400 located in the accommodating space 500 between the display lens 100 and the protection lens 200, wherein the height of the support structure 400 is greater than the height of the grating structure 110 on the display lens 100, so that when the lens assembly 10 is deformed, the support structure 400 can reduce the deformation degree of the lens assembly 10, avoid the situation that the grating structure 110 is damaged due to the compression of the protection lens 200 to the grating structure 110 caused by the excessive deformation degree, and improve the anti-collision capability of the lens assembly 10.
The protective lens 200 may be made of a glass material, and compared with a plastic material, the glass material has better rigidity and small compressive deformation, and the impact resistance of the protective lens 200 can be improved by adopting the glass material to make the protective lens 200.
The connecting piece 300 may be a colloid with a connection capability, such as a curing adhesive or a pressure-sensitive adhesive, etc., the connecting piece 300 may be disposed at an edge of the display lens 100, an edge of the protective lens 200 may be fixedly connected with an edge of the display lens 100 through the connecting piece 300, the connecting piece 300 may also be disposed at an edge of the protective lens 200, an edge of the display lens 100 may be fixedly connected with an edge of the protective lens 200 through the connecting piece 300, and the connecting piece 300 may be disposed at an edge of the display lens 100 and an edge of the protective lens 200, and the edge of the display lens 100 and the edge of the protective lens 200 may be fixedly connected through the connecting piece 300, and it may be understood that a height range of the connecting piece 300 may be between 30 micrometers and 500 micrometers, and a width range of the connecting piece 300 may be between 1 micrometer and 100 micrometers.
In some embodiments, the support structure may be disposed on the surface of the display lens, with continued reference to fig. 4 and 5, fig. 4 is a second cross-sectional view of the lens assembly along the direction P1-P1 according to an embodiment of the present application, and fig. 5 is a schematic structural view of the display lens and the support structure shown in fig. 4.
The support structures 400 are disposed on the surface 101 of the display lens 100 facing the protective lens 200, and in particular, a plurality of support structures 400 may be formed on the surface 101 of the optical waveguide glass 120 by a semiconductor process or a plating process, wherein each support structure 400 may have a cylindrical shape, a spherical shape or other irregular shape, the height of each support structure 400 needs to be greater than the height of the grating structure 110, it is understood that the height of the support structure 400 is a height value of the support structure above the surface of the display lens, the height of the grating structure 110 is a height value of the grating structure above the surface of the protective lens, wherein the height of the grating structure 110 may range between 50 nm and 1 micron, and the height of the support structure 400 may range between 1 micron and 30 micron.
In order to improve the anti-impact capability of the lens assembly, the plurality of support structures 400 may be disposed around the grating structure 110, and when the protective lens 200 is deformed by impact, the plurality of support structures 400 may support the protective lens 200, thereby reducing the deformation degree of the protective lens 200 and avoiding the protective lens 200 from being pressed to the grating structure 110 to damage the grating structure 110 due to the greater deformation degree.
In some embodiments, grating structure 110 may include an in-coupling grating 1101 and an out-coupling grating 1102, wherein diffracted light incident by in-coupling grating 1102 enters the optical waveguide glass, and the diffracted light is totally reflected inside the optical waveguide glass to out-coupling grating 1102, which directs the light to human eye imaging, and by adjusting the positions and heights of the plurality of microstructures, a plurality of support structures 400 may be disposed around out-coupling grating 1102 and/or in-coupling grating 1101, and illustratively, a plurality of support structures 400 may be disposed around in-coupling grating 1101 and out-coupling grating 1102, or a plurality of support structures 400 may be disposed around in-coupling grating 1101. It will be appreciated that the location and number of support structures 400 in the illustrations are merely exemplary and should not be construed as limiting the application.
In some embodiments, the support structure 400 may be disposed on the protective lens, with continued reference to fig. 6 and 7, fig. 6 is a third cross-sectional view of the lens assembly along the direction P1-P1 according to an embodiment of the present application, and fig. 7 is a schematic structural view of the protective lens and the support structure shown in fig. 6.
The support structures 400 are disposed on the surface 201 of the protective lens 200, and in particular, a plurality of support structures 400 may be formed on the surface 201 of the protective lens 200 by a semiconductor process or a plating process, wherein each support structure 400 may have a cylindrical shape, a spherical shape or other irregular shape, and the height of each support structure 400 needs to be greater than the height of the grating structure 110, and it is understood that the height of the support structure 400 is a height value higher than the surface of the protective lens 200, wherein the height of the grating structure 110 ranges from 50 nm to 1 micron, and the height of the support structure 400 ranges from 1 micron to 30 microns.
To improve the impact resistance of the lens assembly, a plurality of support structures 400 are disposed around the grating structure 120 in orthographic projection onto the optical waveguide glass 120 of the display lens 100. When the protective lens 200 is deformed by impact, the plurality of support structures 400 can be abutted against the optical waveguide glass 120 to support the protective lens 200, so that the deformation degree of the protective lens 200 is reduced, and the protective lens 200 is prevented from being pressed to the grating structure 110 to damage the grating structure 110 due to the larger deformation degree.
In some embodiments, the orthographic projection of the plurality of support structures 400 onto the optical waveguide glass 120 is disposed around the out-coupling grating 1102 and/or the in-coupling grating 1101, e.g., the orthographic projection of the plurality of support structures 400 onto the optical waveguide glass 120 may be formed around the in-coupling grating 1101 and the out-coupling grating 1102, or the orthographic projection of the plurality of support structures 400 onto the optical waveguide glass 120 may be formed around only the in-coupling grating 1101. It will be appreciated that the location and number of support structures 400 in the illustrations are merely exemplary and should not be construed as limiting the application.
In some embodiments, the support structure 400 may be disposed on the surface of the display lens and the protective lens, and with continued reference to fig. 8, fig. 8 is a fourth schematic cross-sectional view of a lens assembly along the direction P1-P1 according to an embodiment of the present application.
The support structure 400 includes a first support structure 401 and a second support structure 402, where the first support structure 401 is disposed on a surface of the protective lens 200 facing the display lens 100, the second support structure 402 and the grating structure 110 are disposed on a surface of the display lens 100 facing the protective lens 200 at intervals, and the front projection of the first support structure 401 on the display lens 100 is staggered with the grating structure 110.
In particular, the support structure 400 may include a plurality of first support structures 401 and a plurality of second support structures 402 to form the plurality of first support structures 401 on the surface 201 of the protective lens 200 and the plurality of second support structures 402 on the surface 101 of the display lens 100 through a semiconductor process or a plating process, wherein the plurality of first support structures 401 and the plurality of second support structures 402 are cylindrical, spherical or other irregular shapes, and the height of each of the first support structures 401 and each of the second support structures 402 is greater than the height of the grating structure 110 in order to enhance the impact resistance of the lens assembly 10, and it is understood that the height of the support structure 400 and the height of the grating structure 110 are protruding from the length of the receiving space 500, wherein the height of the grating structure 110 ranges between 50 nm-1 micron, and the height of the first support structure 401 or the second support structure 401 may range between 1 micron-30 microns. To avoid damage to the grating structure 110 by the first support structure 401 when the lens assembly 10 is deformed, the front projection B of the first support structure 401 on the optical waveguide glass 120 is offset from the grating structure 110, and in some embodiments, to improve the utilization of the accommodating space 500, the front projection B of the first support structure 401 on the optical waveguide glass 120 is offset from both the second support structure 402 and the grating structure 110. When the lens assembly 10 receives an impact, the first support structures 401 are abutted against the optical waveguide glass 120, and the second support structures 402 are abutted against the surface 201 of the protective lens 200, so that the deformation degree of the protective lens or the display lens when being impacted can be reduced, and the impact resistance of the lens assembly can be further improved.
In some embodiments, after the display lens 100 and the protection lens 200 are fixedly connected by the connecting member 300, a fixedly connected lens assembly is obtained, and a light shielding part 700 is disposed at the periphery of the fixedly connected lens assembly, wherein the material forming the light shielding part may be a black light absorbing material, which is applied to the periphery of the fixedly connected lens assembly. The shading part is used for preventing interference of ambient light on the display lens and affecting the display effect.
In some embodiments, a protective rubber frame can be additionally arranged on the periphery of the lens component, and the periphery of the lens component is easy to damage, so that the lens component can be protected through the protective rubber frame, the protective rubber frame can be made of black light absorbing materials, and the periphery of the lens component can be protected and simultaneously the interference of ambient light can be prevented.
The application also provides a manufacturing method of the lens assembly, which is applied to the lens assembly, wherein the lens assembly comprises a protective lens, a display lens, a connecting piece and a supporting structure, and referring to fig. 9, fig. 9 is a flow chart of the manufacturing method of the lens assembly according to the embodiment of the application. The method comprises the following steps:
601, a grating structure is formed on the surface of the display lens.
The display lens comprises optical waveguide glass, wherein a grating structure can be formed on the optical waveguide glass by adopting a nanoimprint technology, the grating structure can enable incident light to be diffracted, the grating structure can comprise a coupling-in grating and a coupling-out grating, diffracted light incident by the coupling-in grating enters the optical waveguide glass, the diffracted light is totally reflected inside the optical waveguide glass to the coupling-out grating, the coupling-out grating guides the light to human eyes for imaging, the coupling-in grating or the coupling-out grating can be of various grating structures, such as a binary grating structure, a blazed grating structure or an inclined grating structure, and the like, the period of the coupling-in grating and the coupling-out grating can be 200-500 nanometers, the duty ratio of the coupling-in grating and the coupling-out grating can be in the range of 0.2-0.8, the refractive index range of the optical waveguide glass can be in the range of 1.7-2.0, and the height range of the grating structure can be in the range of 50 nanometers-1 micrometer.
In some embodiments, the structure of the coupling-out grating may be a two-dimensional grating structure, and the shape of the coupling-out grating may be cylindrical, diamond, or the like, and in order to improve the diffraction effect of the grating structure, an optical functional layer material, such as titanium dioxide or zirconium trioxide, is formed on the surface of the coupling-in grating or the coupling-out grating.
602, a support structure is formed between the display lens surface and the protective lens, the support structure having a height greater than a height of the grating structure.
In order to form a supporting structure on the surface of the display lens, a plurality of supporting structures are formed on the optical waveguide glass of the display lens through a semiconductor or micro-nano processing technology, the shape of each supporting structure can be columnar, spherical or other irregular shapes, the height of each supporting structure can be in a range of 1-30 microns, and the height of each supporting structure needs to be larger than that of each grating structure, wherein the supporting structure can be made of materials with larger hardness, such as silicon dioxide or silicon nitride, indium tin oxide, titanium dioxide or zirconium oxide and the like. Specifically, the material forming the supporting structure can be arranged on the surface of the optical waveguide glass by a chemical sedimentation or physical sedimentation method so as to form the supporting structure with a certain height and a certain hardness. In some embodiments, to improve the anti-impact capability of the lens assembly, a plurality of support structures may be disposed around the out-coupling grating and/or the in-coupling grating, for example, by forming a plurality of support structures around the out-coupling grating and/or the in-coupling grating according to a certain preset rule by the above method, when the protective lens is deformed by impact, the plurality of support structures may abut against the protective lens to support the protective lens, so as to reduce the deformation degree of the protective lens, and avoid the protective lens from being pressed to the grating structure due to the greater deformation degree to damage the grating structure.
In order to form an example of the support structure on the surface of the protective lens, the support structure may be disposed on the surface of the protective lens, and in particular, a plurality of support structures may be formed on the surface of the protective lens through a semiconductor process or a plating process, wherein each support structure may have a cylindrical, spherical or other irregular shape, and the height of each support structure needs to be greater than the height of the grating structure, and in some embodiments, in order to improve the impact resistance of the lens assembly, the orthographic projection of the plurality of support structures on the optical waveguide glass of the display lens is disposed around the grating structure. When the protective lens is impacted to deform, the supporting structures can be abutted with the optical waveguide glass to support the protective lens, so that the deformation degree of the protective lens is reduced, and the protective lens is prevented from being pressed to the grating structure to damage the grating structure due to the large deformation degree.
In order to improve the impact resistance of the lens assembly, the height of each first support structure and each second support structure is greater than the height of the grating structure, wherein, in order to avoid the damage of the grating structure by the first support structure when the lens assembly is deformed, the front projection of the first support structure on the optical waveguide glass is staggered with the grating structure, in order to improve the utilization rate of the accommodation space, and in some embodiments, the front projection of the first support structure on the optical waveguide glass is staggered with the second support structure and the grating structure. When the lens component is impacted, the first support structures are abutted with the optical waveguide glass, the second support structures are abutted with the surface of the protective lens, so that the deformation degree of the protective lens or the display lens when the protective lens is impacted can be reduced, and the anti-impact capacity of the lens component is further improved.
603, connecting the protective lens and the display lens through a connecting piece, wherein the height of the connecting piece is larger than that of the supporting structure.
The connecting piece can be colloid with connecting capability, such as colloid of curing glue or pressure sensitive adhesive, and the connecting piece can only be arranged at the edge of the display lens, the edge of the protection lens is fixedly connected with the edge of the display lens through the connecting piece, the connecting piece can also only be arranged at the edge of the protection lens, the edge of the display lens is fixedly connected with the edge of the protection lens through the connecting piece, and the connecting piece can also be arranged at the edge of the display lens and the edge of the protection lens, so that the edge of the display lens is fixedly connected with the edge of the protection lens through the connecting piece, and the height range of the connecting piece can be between 30 micrometers and 500 micrometers, and the width range of the connecting piece can be between 1 micrometer and 100 micrometers. The height of the connectors needs to be greater than the height of the support structure.
In some embodiments, after forming the support structure between the display lens surface and the protective lens, further comprising: the optical anti-reflection layer is arranged on the surface of the protective lens, which is opposite to the protective lens, wherein the optical anti-reflection layer can reduce light loss caused by light reflection and enhance the transmittance of light, thereby improving the imaging quality. The material forming the optical anti-reflection layer can be silicon dioxide or silicon nitride.
In some embodiments, after connecting the protective lens by the connector, further comprising: and (3) obtaining the lens assembly after the fixed connection, and arranging a shading part at the periphery of the lens assembly after the fixed connection, wherein the material forming the shading part can be black light absorbing material, and the periphery of the lens assembly after the fixed connection is coated. The shading part is used for preventing interference of ambient light on the display lens and affecting the display effect.
In some embodiments, a protective rubber frame can be additionally arranged on the periphery of the lens component, and the periphery of the lens component is easy to damage, so that the lens component can be protected through the protective rubber frame, the protective rubber frame can be made of black light absorbing materials, and the periphery of the lens component can be protected and simultaneously the interference of ambient light can be prevented.
It should be noted that the lens assembly according to the embodiment of the present application may further include other protective structures, such as an explosion-proof layer, a buffer layer, and a protective frame, which are stacked on the outer surface of the protective lens.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an intelligent glasses according to an embodiment of the application.
The smart glasses 20 may include the lens assembly 10 as described above, and may further include a glasses frame 21 and a glasses holder 31.
The lens assembly 10, the eyeglass frame 21 and the eyeglass frame 31, the lens assembly 10 can be disposed on the eyeglass frame 21, the eyeglass frame 21 is used for fixing the lens assembly 10, the eyeglass frame 31 is connected with the eyeglass frame 21, and the eyeglass frame 31 can provide support for the lens assembly 10 and the eyeglass frame 21. The glasses bracket 31 is also used for being fixed with the human body so that the smart glasses 20 can be worn on the human body.
It should be noted that, the structure of the glasses frame 31 shown in fig. 10 is merely exemplary, for example, the glasses frame 31 may be replaced by a connection belt, so long as the connection structure for fixing the smart glasses 20 to the human body can be achieved, and the structure of the glasses frame 31 is not limited in the embodiment of the present application.
The embodiment of the application provides intelligent glasses, which comprise a lens assembly, wherein the lens assembly comprises a display lens, a protective lens, a connecting piece and a supporting structure, the display lens and the protective lens are arranged at intervals, and a grating structure is arranged on the surface of the display lens facing the protective lens; the connecting piece is used for connecting the protective lens and the display lens; the support structure is arranged between the protective lens and the display lens, and the height of the support structure is larger than that of the grating structure. The lens component, the manufacturing method and the intelligent glasses provided by the embodiment of the application are described in detail. Specific examples are set forth herein to illustrate the principles and embodiments of the present application and are provided to aid in the understanding of the present application. Meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application.
Claims (4)
1. A lens assembly, comprising:
protecting the lens;
the display lens is arranged at intervals with the protective lens, and a grating structure is arranged on the surface of the display lens facing the protective lens;
the connecting piece is used for connecting the protective lens and the display lens; and
the support structure is arranged between the protective lens and the display lens, the height of the support structure is larger than that of the grating structure, the support structure is made of hard materials and comprises a first support structure and a second support structure, the first support structure is arranged on the surface of the protective lens, which faces the display lens, the second support structure is arranged on the surface of the display lens, which faces the protective lens, at intervals, the first support structure is arranged on the orthographic projection of the display lens, the second support structure and the grating structure are staggered, an optical antireflection layer is arranged on the surface of the protective lens, which is arranged opposite to the surface of the protective lens, and a shading part is arranged on the periphery of the lens assembly and used for protecting the lens assembly and blocking ambient light.
2. The lens assembly of claim 1, wherein the height of the grating structure is between 50 nanometers and 1 micron and the height of the support structure is between 1 micron and 30 microns.
3. A method of making a lens assembly for use with a lens assembly, the lens assembly comprising a protective lens, a display lens, a connector, and a support structure, the method comprising:
forming a grating structure on a surface of the display lens;
forming a supporting structure between the surface of the display lens and the surface of the protective lens, wherein the height of the supporting structure is larger than that of the grating structure, the supporting structure is made of hard materials and comprises a first supporting structure and a second supporting structure, the first supporting structure is arranged on the surface of the protective lens, which faces the display lens, the second supporting structure and the grating structure are arranged on the surface of the display lens, which faces the protective lens, at intervals, and the orthographic projection of the first supporting structure on the display lens is staggered with the second supporting structure and the grating structure;
an optical reflection-increasing layer is arranged on the surface of the protective lens which is oppositely arranged;
connecting the protective lens and the display lens through a connecting piece, wherein the height of the connecting piece is larger than that of the supporting structure;
and a shading part is arranged on the periphery of the lens component and is used for protecting the lens component and blocking ambient light.
4. An intelligent eyeglass, the eyeglass comprising:
a spectacle assembly according to any one of claims 1-2; and
and the lens component is arranged on the eyeglass frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997803.4A CN112198663B (en) | 2020-09-21 | 2020-09-21 | Lens assembly, manufacturing method and intelligent glasses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010997803.4A CN112198663B (en) | 2020-09-21 | 2020-09-21 | Lens assembly, manufacturing method and intelligent glasses |
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| CN112198663A CN112198663A (en) | 2021-01-08 |
| CN112198663B true CN112198663B (en) | 2023-09-01 |
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| CN112987179A (en) * | 2021-02-09 | 2021-06-18 | Oppo广东移动通信有限公司 | Waveguide preparation method, waveguide and augmented reality display device |
| CN113376739A (en) * | 2021-06-04 | 2021-09-10 | 维沃移动通信有限公司 | Optical device and display system |
| CN118671885A (en) * | 2023-03-14 | 2024-09-20 | 上海鲲游科技有限公司 | Diffractive optical waveguide lens and preparation method thereof |
| CN118837990A (en) * | 2023-04-23 | 2024-10-25 | 北京字跳网络技术有限公司 | Optical waveguide, preparation method thereof and augmented reality display device |
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