Naked eye 3D display device
By setting an infrared filter assembly with a high-transmittance substrate and an infrared ink layer in front of the infrared camera, the problem of infrared light interference is solved, and the stability and performance of the naked-eye 3D display device are improved.
Patent Information
- Application Number
- CN202422029730.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-08-21
AI Technical Summary
Existing infrared camera devices are susceptible to interference from unexpected infrared light, affecting the stability and performance of the equipment.
Infrared filters are made by using high-transmittance substrates such as glass or acrylic as the substrate and printing infrared ink layers on both sides to form an infrared filter assembly for filtering unwanted infrared light.
It effectively filters infrared light from natural and artificial light sources, improving the functionality and performance stability of infrared cameras in naked-eye 3D display devices.
Smart Images

Figure CN223461714U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to 3D display technical field relates to a kind of optical filter, more particularly to a kind of infrared optical filter assembly, electronic equipment and naked eye 3D display device. BACKGROUND
[0002] In recent years, with the popularization of intelligent equipment, camera is more and more applied. Especially infrared camera, widely used in artificial intelligence, machine vision, video monitoring, anti-theft alarm, and night image capture and other fields. But in practical application, infrared camera is still inevitably disturbed by infrared light other than expected, which affects the stability and performance of the equipment.
[0003] Therefore, there is an urgent need to design a new infrared camera device to overcome at least some of the above-mentioned deficiencies of existing infrared camera devices. SUMMARY
[0004] The utility model provides a kind of infrared optical filter assembly, electronic equipment and naked eye 3D display device, can effectively filter infrared light, avoid unnecessary infrared light in natural light and artificial light source to the infrared camera of naked eye 3D display device Cause interference, can greatly improve the stability of function and performance.
[0005] To solve the above technical problems, according to one aspect of the utility model, the following technical scheme is adopted:
[0006] An infrared optical filter assembly includes a substrate, and the two surfaces of the substrate are provided with an infrared ink layer.
[0007] As an embodiment of the utility model, the substrate is high-transmittance glass or high-transmittance acrylic.
[0008] As an embodiment of the utility model, high-transmittance refers to a transmittance greater than 90%.
[0009] As an embodiment of the utility model, the infrared ink layer is printed on both surfaces of the substrate.
[0010] According to another aspect of the utility model, the following technical scheme is adopted: an electronic device includes the above-mentioned infrared optical filter assembly.
[0011] As an embodiment of the utility model, the electronic device further includes an infrared camera, and the infrared optical filter assembly is arranged in front of the infrared camera.
[0012] As an embodiment of the utility model, the electronic device is an infrared camera, and the infrared optical filter assembly is arranged in front of the infrared camera.
[0013] According to another aspect of the present application, the following technical solution is adopted: a naked-eye 3D display device, comprising the above-mentioned infrared filter assembly.
[0014] As an embodiment of the present application, the naked-eye 3D display device further comprises an infrared camera, and the infrared filter assembly is arranged in front of the infrared camera.
[0015] As an embodiment of the present application, the naked-eye 3D display device further comprises a 3D display screen, and the infrared camera and the infrared filter assembly are arranged based on the 3D display screen; the naked-eye 3D display device further comprises a front frame, a first mounting structure, a buffer mechanism and a second mounting structure; the front frame is provided with a first hollow area, and the infrared filter assembly is arranged in the first hollow area through the first mounting structure; the first mounting structure is provided with a first IR lens hole, an infrared fill light hole, a second IR lens hole and an RGB lens hole, and the infrared camera is provided with at least a first IR lens, an infrared fill light, a second IR lens and an RGB lens; the first IR lens, the infrared fill light, the second IR lens and the RGB lens of the lens of the infrared camera correspond to the hole positions on the first mounting structure one by one; the buffer mechanism is arranged between the infrared camera and the second mounting structure, and the second mounting structure fixes the infrared camera and the buffer mechanism to the first mounting structure.
[0016] The present application has the advantages that: the infrared filter assembly, the electronic device and the naked-eye 3D display device provided by the present application can effectively filter infrared light, avoid unnecessary infrared light in natural light and artificial light sources from interfering with the infrared camera of the naked-eye 3D display device, and greatly improve the stability of function and performance. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 FIG. 1 is a structural schematic view of an infrared filter assembly according to an embodiment of the present application.
[0018] Figure 2 FIG. 4 is a light transmittance curve diagram of the infrared filter assembly for different wavelengths of infrared light.
[0019] Figure 3 FIG. 5 is a structural schematic view of the infrared filter assembly applied to a naked-eye 3D display device. DETAILED DESCRIPTION
[0020] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0021] For further understanding of the present application, the preferred embodiments of the present application will be described in the following with reference to the embodiments, but it should be understood that the description is only for further illustrating the features and advantages of the present application, and is not a limitation on the claims of the present application.
[0022] The description of this part is only for several typical embodiments, and the present application is not limited to the range described in the embodiments. The mutual replacement of the same or similar prior art means and some technical features in the embodiments is also within the description and protection range of the present application.
[0023] In the description, "connection" includes direct connection and indirect connection.
[0024] The present application discloses an infrared filter assembly, Figure 1 For the structure diagram of the infrared filter assembly in an embodiment of the present application; please refer to Figure 1 The infrared filter assembly comprises a base material 1, and infrared ink layers 2 are arranged on two surfaces of the base material 1.
[0025] In an embodiment of the present application, the base material 1 is glass with high light transmittance or acrylic with high light transmittance; and the infrared ink layers 2 are printed on two surfaces of the base material 1.
[0026] As shown in Figure 1 The acrylic material base with high light transmittance (> 90%) is selected, the infrared ink is printed on two surfaces to form the infrared filter assembly, the actual measurement of the finished product shows that the light transmittance is less than 5% when the wavelength is 550 nm, and the light transmittance is greater than 85% when the wavelength is 850 nm (as shown in Figure 2 The infrared filter assembly is suitable for the infrared camera with a wavelength of 850 nm.
[0027] The infrared IR ink has high transmittance to specific wavelength infrared light according to different raw material ratios, and cuts off other wavelength infrared light. The infrared filter assembly is made by printing specific IR (infrared) ink on two surfaces of the base material.
[0028] The present application further discloses an electronic device, which comprises the above-mentioned infrared filter assembly. The electronic device can comprise an infrared camera, and the infrared filter assembly is arranged in front of the infrared camera. In an embodiment, the electronic device is an infrared camera, and the infrared filter assembly is arranged in front of the infrared camera.
[0029] The present application further discloses a naked eye 3D display device, which comprises the above-mentioned infrared filter assembly 10. In an embodiment of the present application, the naked eye 3D display device further comprises an infrared camera 20, and the infrared filter assembly is arranged in front of the infrared camera.
[0030] Figure 3 Structure diagram of the infrared filter assembly applied to the naked eye 3D display device; Figure 3 In an embodiment of the present application, the naked eye 3D display device further comprises a 3D display screen, and the infrared camera and the infrared filter assembly are arranged based on the 3D display screen. The naked eye 3D display device further comprises a front frame 30, a first mounting structure 40, a buffer mechanism 50 and a second mounting structure 60. The front frame 30 is provided with a first hollow area 31, and the infrared filter assembly 10 is arranged in the first hollow area through the first mounting structure 40. The first mounting structure 40 is provided with at least one first IR lens hole 41, an infrared light supplement lamp hole 42, a second IR lens hole 43 and an RGB lens hole 44, and the infrared camera 20 is provided with at least one first IR lens 21, an infrared light supplement lamp hole 22, a second IR lens and at least one RGB lens 24. The first IR lens, the infrared light supplement lamp, the second IR lens and the RGB lens of the lens of the infrared camera correspond to the hole positions on the first mounting structure one by one. The buffer mechanism 50 (which can be buffer cotton) is arranged between the infrared camera 20 and the second mounting structure 60, and the second mounting structure 60 fixes the infrared camera 20 and the buffer mechanism 50 to the first mounting structure 40.
[0031] The infrared filter assembly can be installed in front of the infrared camera of the naked eye 3D display device, can effectively filter infrared light, avoid unnecessary infrared light in natural light and artificial light source from interfering with the infrared camera of the naked eye 3D display device, and improve the stability of function and performance.
[0032] As Figure 3 shown, the infrared filter assembly 10 is installed in front of the infrared camera 20 on the naked eye 3D display, instead of a common glass or acrylic protective cover plate. The infrared filter assembly 10 can have a clear cutoff effect on visible light and infrared light below 850nm in wavelength, and has a high light transmittance for the light of the 850nm wavelength infrared light supplement lamp of the infrared camera assembly 20. Therefore, the infrared filter assembly 10 can greatly reduce the interference of natural light and infrared light below 850nm in wavelength on the infrared camera 20, and ensure the stability of the functions and performance based on the infrared camera 20.
[0033] In summary, the infrared filter assembly, the electronic equipment and the naked eye 3D display device provided by the present application can effectively filter infrared light, avoid unnecessary infrared light in natural light and artificial light source from interfering with the infrared camera of the naked eye 3D display device, and greatly improve the stability of function and performance.
[0034] The technical features of the above-described embodiments can be combined in any manner. For the sake of brevity, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not result in contradictions, they shall be considered within the scope of the present disclosure.
[0035] The description and application of the present application are illustrative, and are not intended to limit the scope of the present application to the embodiments described. The effects or advantages of the embodiments described can not be realized due to various factors, and the description of the effects or advantages is not intended to limit the embodiments. Variations and modifications of the embodiments disclosed herein are possible, and various components of the embodiments are known to those of ordinary skill in the art. It should be clear to those skilled in the art that the present application can be implemented in other forms, structures, arrangements, proportions, and with other components, materials, and parts without departing from the spirit or essential characteristics of the present application. Other variations and modifications of the embodiments disclosed herein can be made without departing from the scope and spirit of the present application.
Claims
1. A naked-eye 3D display device, characterized by: The naked eye 3D display device comprises an infrared filter assembly and an infrared camera, the infrared filter assembly is arranged in front of the infrared camera; the infrared filter assembly comprises a substrate, and infrared ink layers are arranged on two surfaces of the substrate respectively; The naked eye 3D display device further comprises a 3D display screen, and the infrared camera and the infrared filter assembly are arranged based on the 3D display screen; The naked eye 3D display device further comprises a front frame, a first mounting structure, a buffer mechanism and a second mounting structure; The front frame is provided with a first hollow area, and the infrared filter assembly is arranged in the first hollow area through the first mounting structure; The first mounting structure is provided with at least a first IR lens hole, an infrared light supplement lamp hole, a second IR lens hole and an RGB lens hole, the infrared camera is provided with at least a first IR lens, an infrared light supplement lamp, a second IR lens and an RGB lens, and the first IR lens, the infrared light supplement lamp, the second IR lens and the RGB lens of the lenses of the infrared camera correspond to the holes of the first mounting structure one by one; The buffer mechanism is arranged between the infrared camera and the second mounting structure, and the second mounting structure fixes the infrared camera and the buffer mechanism to the first mounting structure.
2. The naked eye 3D display device according to claim 1, wherein: The substrate is high-transmittance glass or high-transmittance acrylic.
3. The naked eye 3D display device according to claim 2, wherein: High transmittance refers to a transmittance greater than 90%.
4. The naked eye 3D display device according to claim 1, wherein: The infrared ink layers are printed on the two surfaces of the substrate.