CN218791395U - Handrail display terminal with naked eye 3D display function - Google Patents

Abstract

The utility model discloses a handrail display terminal with naked eye 3D display function, which comprises a handrail structure main body and an intelligent display terminal arranged on the upper part of the handrail structure main body, wherein the display terminal main body of the intelligent display terminal is provided with a naked eye 3D display film group; the naked eye 3D display membrane group comprises a substrate layer and an inclined cylindrical lens grating structure layer, wherein a first optical adhesive layer and a second optical adhesive layer are respectively arranged on the upper side and the lower side of the inclined cylindrical lens grating structure layer, the inclined cylindrical lens grating structure layer is combined with the substrate layer through the first optical adhesive layer, and a protective film is arranged on the inclined cylindrical lens grating structure layer through the second optical adhesive layer. The inclined cylindrical lenticulation structure layer does not need complex digital image processing, reduces the requirement on the operation speed of a processor, does not need to reduce the parallax of left and right images, and does not weaken the stereoscopic impression and immersion of naked eye 3D display images.

Description

Handrail display terminal with naked eye 3D display function

Technical Field

The utility model relates to an intelligent advertising equipment technical field, concretely relates to handrail display terminal of bore hole 3D display function.

Background

Public places such as airport, the station, the hospital, a lot of seats can all be set up usually in bank, these seats all can set up a pair of seat handrail, the user places the arm when the rest and can slow down the pressure at back on the handrail, along with the development of internet technique and intelligent terminal technique, the in-process that people have a rest on the seat and wait for has a large amount of information interaction demands in addition, the demand that uses intelligent terminal is more and more on the seat handrail, consequently, people have proposed an intelligent handrail, integrated handrail display terminal that sets up on the handrail, provide the advertisement through handrail display terminal, charge, multiple information-based services such as information.

The naked eye 3D image display technology utilizes the characteristic that two eyes of a person have parallax, and can obtain a vivid three-dimensional image with space and depth under the condition of not needing any auxiliary equipment (such as 3D glasses, helmets and the like), so that the naked eye 3D image display technology is a three-dimensional image in the real sense. The naked eye 3D image display technology is deeply favored by consumers due to the real and vivid expressive force, elegant environmental infectivity and strong visual impact. The existing handrail display terminal usually performs advertisement video playing in a plane display mode, and because the attention of a user to the handrail display terminal is very low, the attraction of plane advertisements to the user is very limited, the advertisement putting effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handrail display terminal of bore hole 3D display function solves the technical problem that current handrail display terminal can not realize the 3D broadcast.

For solving the technical problem, the utility model adopts the following technical scheme:

the utility model provides a handrail display terminal with naked eye 3D display function, which comprises a handrail structure main body and an intelligent display terminal arranged on the upper part of the handrail structure main body, wherein a naked eye 3D display film group is arranged on the display terminal main body of the intelligent display terminal; the naked eye 3D display membrane group includes the substrate layer, puts post lens grating structural layer to one side, both sides are provided with first optical cement layer, second optical cement layer respectively about putting post lens grating structural layer to one side, put post lens grating structural layer to one side and pass through first optical cement layer with the substrate layer is compound, it passes through to one side post lens grating structural layer the second optical cement layer is compound and is provided with the protection film.

Furthermore, the inclined cylindrical lens grating structure layer comprises concave cylindrical lens layers with equally spaced incident surfaces, the concave cylindrical lens layers are vertically arranged, and the distance between every two adjacent concave cylindrical lens layers is the same as the transverse distance of sub-pixels of the display terminal; the emergent surface is a convex-column lens layer, the convex-column lens layer is obliquely arranged, the inclination angle is arctan1/3, and the pitch of the convex-column lens layer is determined by the number of naked-eye 3D display view points.

Further, a film layer structure is arranged between the inclined cylindrical lens grating structure layer and the protective film; the film layer structure comprises at least one optical film; the self-repairing coating is formed by hardening and coating and the blue-light preventing layer is formed by blue-light preventing treatment and is positioned on the first surface of the optical film; and the anti-glare layer is positioned on the second surface of the optical film and used for scattering light.

Furthermore, the protective film is arranged on the anti-glare layer through a first adhesive layer in a compounding mode, and the base material layer is arranged on the display terminal main body through a second adhesive layer in a compounding mode. Specifically, the first bonding glue layer the second bonding glue layer is silica gel or acrylic glue or PU glue.

Specifically, the substrate layer is a high-light-transmission base film made of PET, PC, PMMA or TPU, and is not limited to PET, PC, PMMA and TPU.

Furthermore, the first optical adhesive layer and the second optical adhesive layer are OCA optical adhesive or SCA optical adhesive.

Furthermore, the thickness of the first adhesive glue layer and the second adhesive glue layer is 25-50um.

Further, the handrail display terminal of bore hole 3D display function still includes the coupling assembling that charges, the coupling assembling that charges includes at least one interface that charges, the coupling assembling that charges with intelligent display terminal electric connection.

Further, the charging connection assembly comprises at least one elastic telescopic connection line, and the charging interface is connected with the lower end of the intelligent display terminal through the elastic telescopic connection line.

Furthermore, the charging interface is respectively installed at one end of a stretch-break-proof connecting part, and the other end of the stretch-break-proof connecting part is connected with one end of the elastic telescopic connecting wire.

The beneficial effects of the utility model reside in that:

the utility model discloses bore hole 3D shows handrail display terminal of function, through covering this bore hole 3D shows that the membrane group subsides in intelligent display terminal's display terminal main part, adopt to put post lens grating structural layer to one side, compress the width of display screen rectangle subpixel through concave column lens, become approximate linear subpixel virtual image, form images in the visual area position by projection lens again, realize that the image crosstalk degree at best visual angle is close to the bore hole 3D that is 0 (no crosstalk promptly) and show. The inclined cylindrical lenticular structure layer is adopted, complex digital image processing is not needed, the requirement on the operation speed of a processor is lowered, the parallax of left and right images is not needed to be reduced, and therefore the stereoscopic impression and the immersion feel of a naked eye 3D display image are not weakened.

Drawings

Fig. 1 is a three-dimensional structure diagram of a handrail display terminal with naked eye 3D display function provided by the embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a first intelligent display terminal provided in an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a slanted pillar lenticulation structure layer according to an embodiment of the present invention;

fig. 4 is a schematic bottom view of a slanted pillar lenticular structure layer according to an embodiment of the present invention;

fig. 5 is a schematic view of the working principle of the inclined cylindrical lenticular structure layer provided by the embodiment of the present invention;

fig. 6 is a schematic diagram of light imaging of a slanted pillar lenticulation structure layer provided by an embodiment of the present invention;

wherein, the display terminal comprises a 10-intelligent display terminal body, a 110-display terminal main body and a 120-naked eye 3D display film group,

121-a substrate layer, 122-an inclined cylindrical lens grating structure layer, 1221-a convex cylindrical lens layer, 1222-a concave cylindrical lens layer; 123-a first optical adhesive layer, 124-a second optical adhesive layer, 125-a blue-light-proof layer, 126-a self-repairing coating layer, 127-a glare-proof layer, 128-a protective film, 129-a first adhesive layer and 1210-a second adhesive layer;

20-a handrail structural body;

30-a charging connecting assembly, 31-an elastic telescopic connecting wire, 32-a charging interface and 33-an anti-breaking connecting part.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1 and 2, an embodiment of the present invention provides a handrail display terminal with naked eye 3D display function, which is composed of a handrail structure main body 20 and an intelligent display terminal 10 disposed on the upper portion of the handrail structure main body 20, wherein a naked eye 3D display film group 120 is disposed on a display terminal main body 110 of the intelligent display terminal 10; the naked eye 3D display membrane group 120 comprises a substrate layer 121 and an inclined cylindrical lens grating structure layer 122, a first optical adhesive layer 123 and a second optical adhesive layer 124 are respectively arranged on the upper side and the lower side of the inclined cylindrical lens grating structure layer 122, the inclined cylindrical lens grating structure layer 122 passes through the first optical adhesive layer 123 and the substrate layer 121 are combined, and the inclined cylindrical lens grating structure layer 122 passes through the second optical adhesive layer 124 and is provided with a protective film 128 in a combined mode.

Compared with the existing naked-eye 3D display film, the inclined cylindrical lens grating structure 122 has the advantages that the upper surface and the lower surface of the inclined cylindrical lens grating structure 122 layer are combined with the optical film coated with the optical adhesive layer, the existing naked-eye 3D display film adopts a partial attaching mode, namely only optical adhesive is arranged between the top of the lens and the display screen, and no optical adhesive is arranged between the cylindrical lenses, or only optical adhesive is filled between the periphery of the diaphragm and the periphery of the screen for attaching, so that problems of Newton rings, bubbles and the like are easily generated.

As shown in fig. 3 and 4, the tilted cylindrical lenticular structure layer 122 includes a concave free-form surface (concave cylindrical lens layer) grating structure 1222 with an equally spaced incident surface, the grating structure is vertically disposed, and a distance between two adjacent concave cylindrical lens layers 1222 is the same as a lateral distance of the display terminal sub-pixels. The emergent surface is a convex free-form surface (convex cylindrical lens layer) grating structure 1221 which is obliquely arranged, the inclination angle is arctan1/3, and the pitch of the convex cylindrical lens layer 1221 is determined by the number of naked eye 3D display view points. Specifically, the refractive index n1 of the inclined cylindrical lenticular structure layer 122 is 1.45-1.75, and the thickness is 80-120um.

The vertical display screen light beam with a small divergence angle sent by a display terminal sub-pixel is converted into a special light beam projected in a directional mode after passing through a novel cylindrical lens grating, and the backlight source with a special structure is adopted, the vertical display screen light beam with a small divergence angle in the horizontal direction sent by an RGB sub-pixel is refracted by a concave free-form surface, a rectangular sub-pixel is converted into a sub-pixel virtual image with a narrow width (in a quasi-linear shape), and the sub-pixel virtual image is refracted by a convex free-form surface and converted into a directional collimated light beam, as shown in FIG. 5, the structural design aims are that after the RGB sub-pixel is converted into the quasi-linear sub-pixel virtual image, an image sub-pixel seen at different visual angles is only a sub-pixel at the visual angle and does not have interference of adjacent sub-pixels, as shown in FIG. 6, the sub-pixel seen at the visual angle 2 only has an RGB sub-pixel virtual image marked as '2', and sub-pixels at the adjacent visual angles 1 and 3 basically do not enter the visual angle 2, and crosstalk cannot be generated.

As shown in fig. 2, a film structure is further disposed between the tilted cylindrical lenticular structure layer 122 and the protective film 128; the film layer structure comprises at least one optical film; a self-repairing coating 126 formed by hardening and coating and a blue light prevention layer 125 formed by blue light prevention treatment are arranged on the first surface of the optical film; and an anti-glare layer 127 on the second surface of the optical film for scattering light. Specifically, the optical film is made of PET or PC or PMMA and is not limited to PET, PC or PMMA, the light transmittance of the optical film is more than 90%, the haze of the optical film is less than 1.5%, and the thickness of the optical film is 40-90um.

Specifically, the thickness of the blue light prevention layer 125 ranges from 45 to 75um; the thickness range of the self-repairing coating 126 is 60-70um; the thickness of the anti-glare layer 127 is in the range of 3 to 4 μm.

As shown in fig. 2, the protective film 128 is disposed on the antiglare layer 127 through a first adhesive layer 129, and the substrate layer 121 is disposed on the display terminal body 110 through a second adhesive layer 1210. Specifically, the first adhesive layer 129 and the second adhesive layer 1210 are silica gel, acrylic gel or PU gel. The thickness of the first adhesive glue layer 129 and the second adhesive glue layer 1210 is 25-50um. Through the first adhesive layer 129 and the second adhesive layer 1210 in the form of silica gel, acrylic adhesive or PU adhesive, the whole naked eye 3D display membrane module 120 has a good exhaust effect, and normal display of equipment is not affected.

Specifically, the substrate layer 121 is a high-light-transmittance optical film substrate made of PET, PC, PMMA or TPU, and is not limited to PET, PC, PMMA or TPU. The light transmittance of the substrate layer 121 is more than 90%, the haze is less than 1.5%, and the thickness of the substrate layer is 50-80um.

The first optical adhesive layer 123 and the second optical adhesive layer 124 are OCA optical adhesive or SCA optical adhesive. The optical cement is typically an OCA (optical Clear Adhesive) or an SCA (Solid optical cement), although other types of cement may be used if necessary. The OCA optical cement has the advantages that: 1. glare can be reduced, loss of light emitted by the LCD can be reduced, brightness of the LCD can be increased, high transmittance can be provided, and energy consumption can be reduced; 2. increase the contrast, especially under strong light irradiation; 3. the surface connection has higher strength; 4. avoiding Newton rings; 5. the surface of the product is smoother; 6. without boundaries, the visible area is enlarged. The SCA optical adhesive has excellent light transmittance, definition and adhesion, excellent moisture resistance, heat resistance and weather resistance, particularly excellent shock resistance and explosion resistance, and greatly improves the overall safety, reliability, durability and attractiveness of the touch screen. Therefore, the OCA glue and the SCA glue are widely applied to gluing of each element of the touch display terminal body.

Specifically, the refractive index n2 of the first optical adhesive layer 123 and the second optical adhesive layer 124 is 1.3-1.5, wherein n1-n2 is greater than or equal to 0.15 and less than or equal to 0.45, and the thicknesses of the first optical adhesive layer 123 and the second optical adhesive layer 124 are 3-5um.

As shown in fig. 1, the handrail display terminal with the naked-eye 3D display function further includes a charging connection assembly 30, the charging connection assembly 30 includes at least one charging interface 32, and the charging connection assembly 30 is electrically connected to the intelligent display terminal 10.

Specifically, the charging connection assembly 32 includes at least one elastic telescopic connection line 31, and the charging interface 32 is connected to the lower end of the intelligent display terminal 10 through the elastic telescopic connection line 31.

Optionally, the charging interfaces 32 are respectively installed at one end of a disconnection preventing connection portion 33, and the other end of the disconnection preventing connection portion 33 is connected to one end of the elastic telescopic connection line 31.

The utility model discloses bore hole 3D shows handrail display terminal of function, cover behind intelligent display terminal's display terminal main part through pasting this bore hole 3D shows that membrane group, adopt to put post lens grating structural layer to one side, compress the width of display screen rectangle subpixel through concave column lens, become approximate linear subpixel virtual image, form images in the visual area position by projection lens again, realize that the image crosstalk degree at best visual angle is close to the bore hole 3D that is 0 (not having the crosstalk promptly) and show. The inclined cylindrical lenticulation structure layer does not need complex digital image processing, reduces the requirement on the operation speed of a processor, does not need to reduce the parallax of left and right images, and does not weaken the stereoscopic impression and immersion of naked eye 3D display images.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the same way in the patent protection scope of the present invention.

Claims (10)

1. A handrail display terminal with a naked eye 3D display function is characterized by comprising a handrail structure main body and an intelligent display terminal arranged on the upper portion of the handrail structure main body, wherein a naked eye 3D display film group is arranged on the display terminal main body of the intelligent display terminal; the naked eye 3D display membrane group includes the substrate layer, puts post lens grating structural layer to one side, both sides are provided with first optical cement layer, second optical cement layer respectively about putting post lens grating structural layer to one side, put post lens grating structural layer to one side and pass through first optical cement layer with the substrate layer is compound, it passes through to one side post lens grating structural layer the second optical cement layer is compound and is provided with the protection film.

2. The handrail display terminal with the naked-eye 3D display function according to claim 1, wherein the inclined cylindrical lenticular structure layer comprises concave cylindrical lens layers with incident surfaces arranged at equal intervals, the concave cylindrical lens layers are vertically arranged, and the distance between every two adjacent concave cylindrical lens layers is the same as the transverse distance of sub-pixels of the display terminal; the emergent surface is a convex-column lens layer, the convex-column lens layer is obliquely arranged, the inclination angle is arctan1/3, and the pitch of the convex-column lens layer is determined by the number of naked-eye 3D display view points.

3. The handrail display terminal with the naked-eye 3D display function according to claim 1, wherein a film layer structure is further arranged between the inclined cylindrical lenticular structure layer and the protective film; the film layer structure comprises at least one optical film; the self-repairing coating is formed by hardening and coating and the blue-light preventing layer is formed by blue-light preventing treatment and is positioned on the first surface of the optical film; and the anti-glare layer is positioned on the second surface of the optical film and used for scattering light.

4. The handrail display terminal with the naked eye 3D display function according to claim 3, wherein the protective film is compositely arranged on the anti-glare layer through a first adhesive layer, and the substrate layer is compositely arranged on the display terminal main body through a second adhesive layer.

5. The handrail display terminal of bore hole 3D display function of claim 4, characterized in that, first bonding glue film, the second bonding glue film is silica gel or ya keli glue or PU glue.

6. The handrail display terminal with naked-eye 3D display function according to claim 1, wherein the substrate layer is a high-light-transmission substrate layer made of PET, PC, PMMA or TPU.

7. The handrail display terminal with naked eye 3D display function according to claim 1, wherein the first optical glue layer and the second optical glue layer are OCA optical glue or SCA optical glue.

8. The handrail display terminal with the naked-eye 3D display function according to claim 1, wherein the handrail display terminal with the naked-eye 3D display function further comprises a charging connection assembly, the charging connection assembly comprises at least one charging interface, and the charging connection assembly is electrically connected with the intelligent display terminal.

9. The handrail display terminal with the naked eye 3D display function according to claim 8, wherein the charging connection assembly comprises at least one elastic telescopic connection line, and the charging interface is connected with the lower end of the intelligent display terminal through the elastic telescopic connection line.

10. The handrail display terminal with the naked eye 3D display function according to claim 9, wherein the charging interfaces are respectively installed at one end of a disconnection-preventing connection portion, and the other end of the disconnection-preventing connection portion is connected with one end of the elastic telescopic connection line.

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