CN213689989U

CN213689989U - Mobile phone diaphragm

Info

Publication number: CN213689989U
Application number: CN202022910405.2U
Authority: CN
Inventors: 杨颖�; 刘晓宁; 韩春芳
Original assignee: Suzhou Maita Photoelectric Technology Co ltd; SVG Tech Group Co Ltd
Current assignee: Suzhou Maita Photoelectric Technology Co ltd; SVG Tech Group Co Ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-13
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a mobile phone diaphragm, enlarge formation of image diaphragm layer, optics glue film, substrate and texture layer including microlens, microlens enlarges formation of image diaphragm layer from top to bottom including microlens layer, base film and little picture and text layer, the lower surface of substrate sets up the texture layer, the upper surface of substrate sets up the optics glue film, optics glue film parcel microlens enlarges formation of image diaphragm layer, just optics glue film does not cover the upper surface on microlens layer. Through above-mentioned structure, can make outside light from the air direct incidence to the microlens layer to can not change the focus that the microlens layer was imaged, and then make microlens array enlarge the formation of image diaphragm and can produce clear depth of field and dynamic effect, so that the cell-phone diaphragm has unique visual effect.

Description

Mobile phone diaphragm

Technical Field

The utility model relates to a be used for pasting the blooming technical field who covers on the cell-phone backplate, especially relate to a mobile phone diaphragm.

Background

The dynamic three-dimensional effect is not applied to a mobile phone backboard, on one hand, a fixed light source is needed to present a better effect by 3D modeling of a photoetching 3D graph with multiple-blessing angle points, and the whole effect is whitish under daily light, so that a good visual effect cannot be achieved; on the other hand, the effect of the microlens array magnifying imaging (Amos) can generate a depth of field effect, and has a unique visual effect, so that the effect is not applied to the mobile phone film in an integral dynamic three-dimensional effect, because the light refraction effect can be changed when the upper layer of the microlens is covered with the OCA layer, the focal length can be changed when the surface of the microlens is covered with materials with similar refractive indexes due to the imaging relation, and therefore, no imaging effect or unsatisfactory imaging is realized, and a preset imaging effect cannot be formed. When the refractive index difference between the material covered on the surface of the micro lens and the lens material is large, the imaging effect is required to be maintained, but the observation effect is affected by the light transmittance of the covered material.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cell-phone diaphragm with developments stereoeffect.

The utility model provides a mobile phone diaphragm, enlarge formation of image diaphragm layer, optical cement layer, substrate and texture layer including microlens, microlens enlarges formation of image diaphragm layer and includes microlens layer, base film and little picture and text layer from top to bottom, the lower surface of substrate sets up the texture layer, the upper surface of substrate sets up the optical cement layer, the parcel of optical cement layer the formation of image diaphragm layer is enlarged to microlens, just the optical cement layer does not cover the upper surface on microlens layer.

In one embodiment, the microlens layer is composed of a plurality of microlenses, and the microlens layer has a period ranging from 20um to 100um and a height ranging from 3um to 20 um.

In one embodiment, the microlens magnification imaging film layer is a rectangle with the side length of 5mm-20mm or a circle with the diameter of 5mm-20 mm.

In one embodiment, the micro image-text layer comprises a micro image-text groove, the micro image-text groove is arranged on one side, away from the lower surface of the base film, of the micro image-text layer, and the groove type depth range of the micro image-text groove is 2-3 um.

In one embodiment, the micro image-text groove is filled with ink.

In one embodiment, the period of the texture layer ranges from 300nm to 200um, and the height ranges from 50nm to 20 um.

In one embodiment, the lower surface of the texture layer is provided with a coating layer in an evaporation manner, and the thickness of the coating layer is in a range of 30-700 um.

In one embodiment, the lower surface of the coating layer is provided with an ink printing layer, and the ink printing layer is black or white.

In one embodiment, the glass is arranged on the upper surface of the microlens magnified imaging membrane layer, the glass is adhered to the optical adhesive layer, and air is filled between the glass and the microlens layer.

The utility model provides a mobile phone diaphragm, through the parcel of optics glue film microlens enlarges formation of image diaphragm layer, just the optics glue film does not cover the upper surface on microlens layer can make external light direct incidence to microlens layer from the air to can not change the focus that microlens layer was imaged, and then make microlens array enlarge the formation of image diaphragm and can produce clear depth of field and dynamic effect, so that mobile phone diaphragm has unique visual effect.

Drawings

Fig. 1 is a schematic structural diagram of a mobile phone membrane according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, the mobile phone film provided in the embodiment of the present invention includes a microlens magnifying imaging film layer 3, an optical adhesive layer 2, a substrate 1 and a texture layer 5. The microlens magnified imaging film layer 3 comprises a microlens layer 31, a base film 32 and a microimage layer 33 from top to bottom. The lower surface of the substrate 1 is provided with the texture layer 5, the upper surface of the substrate 1 is provided with the optical adhesive layer 2, the optical adhesive layer 2 wraps the microlens amplification imaging diaphragm layer 3, and the optical adhesive layer 2 does not cover the upper surface of the microlens layer 31, so that external light can be directly incident to the microlens layer 31 from the air.

In this embodiment, the mobile phone film further includes a glass 4, and the glass 4 is used to protect the microlens layer 31 from scratches and oil stains. The glass 4 is arranged on the upper surface of the micro-lens magnifying imaging diaphragm layer 3, and the glass 4 is adhered to the optical adhesive layer 2. Since the optical adhesive layer 2 does not cover the upper surface of the microlens layer 31, air is present between the glass 4 and the microlens layer 31. External light enters the air between the glass and the micro-lens layer 31 through the glass 4 and then enters the micro-lens layer 31, namely the external light directly enters the micro-lens layer 31 without refraction effect, so that the imaging focal length of the micro-lens layer 31 cannot be changed, the micro-lens can generate clear depth of field and dynamic effect, and the mobile phone diaphragm has unique visual effect.

The microlens magnification imaging film layer 3 can be a rectangle with the side length of 5mm-20mm or a circle with the diameter of 5mm-20mm, and can also be in other preset shapes. Preferably, the microlens magnified imaging membrane layer 3 is circular.

The microlens layer 31 is composed of a plurality of microlenses, which are uniform in size and arranged in a lattice manner at a certain period. Specifically, the microlens layer 31 has a period ranging from 20um to 100um and a height ranging from 3um to 20 um.

In other embodiments, a plurality of microlenses make up the microlens layer 31 in a random arrangement.

The base film 32 is made of PET (polyester resin) to ensure that the micro-pattern layer 33 provided on the lower surface thereof can be clearly seen through the base film 32.

The micro image-text layer 33 comprises a micro image-text groove, the micro image-text groove is arranged on one side of the micro image-text layer 33 far away from the lower surface of the base film 32, and the micro image-text groove is tightly attached to the optical adhesive layer 2. The micro image-text groove forms image-text information such as characters or/and graphs, namely, the image-text information contained in the micro image-text groove can be a single type or a plurality of types of combinations; the image formed by the microlens magnified imaging membrane layer 3 has a diversified function, so that the microlens magnified imaging membrane layer 3 has various visual effects, and the mobile phone membrane has various visual effects.

Specifically, the period of the micro image-text groove is matched with the micro lens according to the depth of field; the groove depth range of the micro image-text groove is 2-3um, and the micro image-text groove is arranged near the focal plane of the micro lens to form a Moire amplification effect, so that the micro image-text groove has a dynamic three-dimensional effect, namely, image-text information formed by the micro image-text groove has the dynamic three-dimensional effect, and further the mobile phone diaphragm has a unique visual effect. Meanwhile, the image-text information observed through the micro-lens array layer is locally arranged on the display of the mobile phone membrane; that is, the microlens magnifies the imaging membrane layer 3 to a partial effect.

In other embodiments, the micro pattern layer 33 includes a plurality of micro pattern grooves, the micro pattern grooves are staggered from each other according to the vertical arrangement position, and the micro pattern grooves may be the same or different.

In order to further display the graphic information formed by the graphic groove, black ink can be filled in the micro graphic groove.

In the present embodiment, the optical Adhesive layer 2 (OCA) has characteristics of clarity, high light transmittance (total light transmittance > 99%), high adhesion, high temperature resistance, ultraviolet resistance, and controlled thickness; so that the observation makes it possible to clearly observe the information disposed below the optical adhesive layer 2 through the optical adhesive layer 2 while also effectively preventing the occurrence of separation between the layers.

The upper surface of the optical adhesive layer 2 is internally sunken to form a groove for accommodating the microlens magnifying imaging membrane layer 3, and the size and the height of the groove are equivalent to those of the microlens magnifying imaging membrane layer 3, so that the upper surface of the microlens layer 31 in the microlens magnifying imaging membrane layer 3 is flush with the upper surface of the optical adhesive layer 2, namely, the optical adhesive layer 2 cannot cover the upper surface of the microlens layer 31. The specific formation of the groove can be realized by coating a layer of optical cement with smaller thickness on the substrate 1, then placing the microlens magnified imaging membrane layer 3 on the optical cement, and then coating the optical cement around the microlens magnified imaging membrane layer 3 until the optical cement is as high as the microlens magnified imaging membrane layer 3, so that the groove wrapping the microlens magnified imaging membrane layer 3 is formed on the optical cement layer 2.

In other embodiments, the depth of the groove is greater than the height of the microlens magnified imaging membrane layer 3.

The substrate 1 is made of a material with a high transparency to ensure that the texture layer 5 provided on its lower surface, as well as information contained in other structural layers provided below the substrate 1, can be clearly seen through the substrate 1.

The texture layer 5 is a micro-nano structure layer; that is, the texture layer 5 has a plurality of micro-nano structures on the lower surface side. Specifically, a layer of UV glue is coated on the surface of the substrate 1, and the texture is transferred by a transfer process and then cured, thereby realizing the texture effect. The micro-nano structure observed by an observer has a three-dimensional effect by combining the micro-lens with the micro-nano structure in the texture layer 5, so that the mobile phone diaphragm has the three-dimensional effect, and the anti-counterfeiting effect of the mobile phone diaphragm is further enhanced.

The period range of the texture layer 5 is 300nm-200um, and the height range is 50nm-20 um. Namely, a plurality of micro-nano structures are arranged according to the period of 300nm-200 um.

The lower surface of the texture layer 5 is provided with a coating layer 6 with the thickness ranging from 30um to 700um for color mixing and texture structure protection, and meanwhile, the brightness can be increased. The coating layer 6 is formed by stacking and evaporating metal materials, wherein the metal materials are Tio or Sio and the like; different metal materials are evaporated to have different color matching effects. Wherein the upper surface of the plated layer 6 follows the textured layer 5, i.e. the plated layer 6 is conformal (similar) to the lower surface of the textured layer 5; the lower surface of the coating layer 6 is smooth.

The lower surface of the coating layer 6 is provided with an ink printing layer 7, and the color of the ink printing layer 7 is black or white. The shading effect is realized through the ink printing layer 7, and the influence on the reflection of each layer of information due to too strong external light is effectively prevented, so that an observer can more clearly observe the information contained in each layer.

In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.

In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a mobile phone diaphragm, its characterized in that, includes that microlens enlargies formation of image diaphragm layer, optics glue film, substrate and texture layer, microlens enlargies formation of image diaphragm layer includes microlens layer, base film and little picture and text layer from top to bottom, the lower surface of substrate sets up the texture layer, the upper surface of substrate sets up the optics glue film, optics glue film parcel microlens enlarges formation of image diaphragm layer, just optics glue film does not cover the upper surface on microlens layer.

2. The handset membrane of claim 1 wherein the microlens layer is comprised of a plurality of microlenses having a period in the range of 20um to 100um and a height in the range of 3um to 20 um.

3. The handset membrane of claim 1 wherein the microlens magnified imaging membrane layer is rectangular with a side length of 5mm to 20mm or circular with a diameter of 5mm to 20 mm.

4. The mobile phone film as claimed in claim 1, wherein the micro-image-text layer comprises a micro-image-text groove, the micro-image-text groove is arranged on one side of the micro-image-text layer away from the lower surface of the base film, and the groove depth range of the micro-image-text groove is 2um-3 um.

5. The phone film as claimed in claim 4, wherein the micro-graphic grooves are filled with ink.

6. The phone film of claim 1, wherein the textured layer has a period in the range of 300nm to 200um and a height in the range of 50nm to 20 um.

7. The mobile phone film of claim 1, wherein the lower surface of the texture layer is provided with a coating layer by evaporation, and the thickness of the coating layer is in a range of 30-700 um.

8. The mobile phone film of claim 7, wherein the lower surface of the film coating layer is provided with an ink printing layer, and the ink printing layer is black or white in color.

9. The mobile phone film of any one of claims 1 to 8, further comprising glass, wherein the glass is disposed on an upper surface of the microlens magnified imaging film layer, the glass is adhered to the optical adhesive layer, and air is disposed between the glass and the microlens layer.