TWI792544B - Optical lens device having a polarization miniature structure layer and method thereof - Google Patents

Abstract

An optical lens device includes a substrate layer, a membrane layer, a polarization layer and a surface miniature structure. The substrate layer is provided with a first surface and a second surface and a ray of light passes through the substrate layer. The membrane layer is disposed on the first surface or the second surface of the polarization layer while the polarization layer is provided on a surface of the membrane layer. The surface miniature structure is physically processed to form the polarization layer and provides a characteristic of optical polarization in the polarization layer. The surface miniature structure of the polarization layer provides an effect of optical polarization to the ray of light while passing through it.

Description

Optical lens device with polarizing microstructure layer and method thereof

The present invention relates to an optical lens device (optical lens) with a polarization (polarization) microstructure (miniature structure layer) and its method; in particular, to an optical lens with a surface polarization (surface polarization) microstructure layer (microstructure layer) Device and method thereof; more particularly, an optical lens device with polarizing micro-pattern (pattern) structure layer or polarization micro-pattern structure layer and method thereof.

Regarding the optical lens device with a micro-structure, for example: the invention patent of "a method for making a micro-lens" in the Republic of China Patent Publication No. TW-556286, which discloses a method for making a micro-lens. The manufacturing method of the micro lens includes: firstly, coating a layer of thermoplastic organic material on a plane substrate, or pasting the layer of thermoplastic organic material on the plane substrate.

Continuing from the above, the manufacturing method of the microlens of the aforementioned announcement No. TW-556286 includes: then, using a laser to etch, and directly volatilize and remove an organic material layer with a laser light, and A granular pattern can be formed on the thermoplastic organic material layer.

Continuing from the above, the manufacturing method of the microlens of the aforementioned announcement No. TW-556286 includes: then, subjecting the remaining granular pattern to a heating treatment, so that the thermoplastic organic layer material is softened, and on the thermoplastic organic layer The surface of the material forms a spherical surface or an arc surface.

Continuing from the above, the manufacturing method of the micro-lens in the aforementioned Announcement No. TW-556286 includes: plating a metal conductive film layer on the surface of the thermoplastic organic layer material, and making an injection molding mold by electroforming, and cooperating with An injection molding machine injects a panel, and the panel has a tiny lens.

However, the microlens and its manufacturing method in the aforementioned bulletin No. TW-556286 are only used to form the combined structure of the panel and its microlens by injection molding, so the combined structure of the panel and its microlens itself does not exist. Possibility to directly form or transfer polarizing structures and their uses.

Another common optical lens device with tiny structures, for example: the invention patent application of "Mold Core, Molding Device and Method for Embossing Micro-concave Lens Array" Patent Publication No. TW-201041712 of the Republic of China, which discloses an embossing molding The core of the micro-concave lens array. The mold core has an end surface, and several spacers are formed on the end surface.

From above, the end of each spacer in the aforementioned publication No. TW-201041712 has a top surface, and the top surface and the end surface of each spacer are flush, and each spacer defines a molding cavity , and the molding cavity can be used to form a tiny concave lens.

As mentioned above, the molding cavity of the aforementioned publication No. TW-201041712 is provided with a convex molding surface, and the convex molding surface forms a protrusion from the bottom of the molding cavity, and the highest point of the convex molding surface is lower than the top surface of the spacer.

However, the mold core, molding device and method of the embossed micro-concave lens array of the aforementioned publication No. TW-201041712 are only used to form the micro-concave lens and its structure by the imprinting method, so the micro-concave lens and its structure It does not have the possibility of being directly formed or transferred to polarizing structures and their uses.

Another conventional optical lens device with a microstructure, for example: Republic of China patent announcement No. TW-1709761 "Optical lens with laser-induced periodic surface microstructure" invention patent, which discloses an optical lens with laser-induced periodic surface microstructure. The optical lens with the laser-induced periodic surface microstructure comprises an optical lens.

Continuing from the above, the optical lens of the aforementioned announcement No. TW-I709761 is made of an integral material, and the optical lens has a surface and a curved surface, and the surface and the curved surface form opposite sides, and a laser is used to induce the curved surface of the optical lens , so that the curved surface of the optical lens forms a laser-induced periodic surface microstructure.

Continuing from the above, the laser-induced periodic surface microstructure in the aforementioned announcement No. TW-I709761 forms a structural arrangement and a structural size, and the structural arrangement includes several structures, and several of the structures present a periodic arrangement, And the structure size is such that a space is formed between each of the structures, and the space is between 50nm and 1000nm, and the structure size has a height, and the height is between 50nm and 500nm.

However, the laser-induced periodic surface microstructure and its manufacturing method in the aforementioned announcement No. TW-I709761 are only used to form the combined structure of the optical lens and its laser-induced periodic surface microstructure in a laser-induced manner. Therefore, the optical The combined structure of the lens and its laser-induced periodic surface microstructure itself does not have the possibility of being directly formed or transferred to the polarization structure and its application.

Another conventional optical lens device with a microstructure, for example: the invention patent of "lens with microstructure" in Patent Publication No. TW-I611217 of the Republic of China, which discloses a lens with microstructure. The lens with microstructure includes a first surface and a second surface, and the first surface has a central part.

Continuing from the above, the central part of the first surface of the aforementioned announcement No. TW-I611217 has an optical part, and the optical part has an optical mechanism part, and the optical mechanism part surrounds the optical part, and the optical mechanism part at least part of the The domain is formed with at least one concave microstructure, and the concave microstructure has a bottom surface, and the bottom surface is a rough matte surface, and the concave microstructure is formed by laser engraving.

Continuing from the above, the lens with the microstructure of the aforementioned announcement No. TW-I611217 defines a central axis, and the central axis extends through one center of the lens, and the microstructure is several circular grooves, several grooves or a spiral groove. A plurality of the annular grooves extend around the central axis, and the plurality of annular grooves are arranged concentrically and at intervals. Several grooves surround the central axis, and several grooves extend along the radial direction of the central axis. The spiral groove surrounds the central axis and presents a helical shape.

However, the microstructure and its manufacturing method in the aforementioned announcement No. TW-I611217 are only used to form the combined structure of the optical mechanism part and its microstructure by means of laser engraving. Therefore, the combined structure of the optical mechanism part and its microstructure It does not have the possibility of being directly formed or transferred to polarizing structures and their uses.

Another conventional optical lens device with a microstructure, for example: the "Lens with Microstructure" patent in the Republic of China Patent Publication No. TW-M519748, which discloses a lens with a microstructure. The lens with microstructure includes a first surface and a second surface, and the first surface has a central part.

Continuing from the above, the central part of the first surface of the aforementioned announcement No. TW-M519748 has an optical part, and the optical part has an optical mechanism part, and the optical mechanism part surrounds the optical part, and the optical mechanism part At least a part of the region is formed with at least one concave microstructure, and the concave microstructure has a bottom surface, and the bottom surface is a rough matte surface, and the concave microstructure is formed by laser engraving.

Continuing from the foregoing, the lens with the microstructure of the aforementioned publication No. TW-M519748 defines a central axis, and the central axis extends through a center of the lens, and the microstructure is several annular grooves, several grooves or a spiral groove. Several annular grooves extend around the central axis, and several annular grooves form concentric intervals arrangement. Several grooves surround the central axis, and several grooves extend along the radial direction of the central axis. The spiral groove surrounds the central axis and presents a helical shape.

However, the aforementioned announcement No. TW-M519748 of the microstructure and its manufacturing method is only used to form the combined structure of the optical mechanism part and its microstructure by means of laser engraving. Therefore, the combined structure of the optical mechanism part and its microstructure It does not have the possibility of being directly formed or transferred to polarizing structures and their uses.

Another common optical lens device with microstructure, for example: the invention patent of "Spectacle Lens with Microstructure Optical Structure" Patent Publication No. TW-201719241 of the Republic of China, which discloses a spectacle lens with microstructure optical structure. The spectacle lens with optical structure of microstructure comprises a basic lens and a correction lens.

Continuing from the above, the basic lens and corrective lens of the aforementioned publication No. TW-201719241 are integrated to form a single-form lens. Compared with the corrective lens, the basic lens has a microstructure, and the microstructure includes several predetermined notches or a concave-convex surface, and the predetermined notches form several concentric circles, and the concave-convex surface has different angle.

However, the manufacturing method of the microstructure of the base lens disclosed in the aforementioned Publication No. TW-201719241 only forms the combined structure of the corrective lens and the microstructure of the base lens, so the combined structure of the corrective lens and the microstructure of the base lens itself does not There is no possibility to directly form or transfer polarizing structures and their use.

In fact, the aforementioned Republic of China Patent Announcement No. TW-556286, Publication No. TW-201041712, Publication No. TW-I709761, Publication No. TW-I611217, Publication No. TW-M519748 and Publication No. TW-201719241 are commonly used All optical lens devices inevitably have a need for further improvement, so as to provide an optical lens device with a polarizing structure.

Obviously, the aforementioned ROC Patent Announcement No. TW-556286, Publication No. TW-201041712, Publication No. TW-I709761, Publication No. Report No. TW-I611217, Announcement No. TW-M519748 and Publication No. TW-201719241 are only references to the technical background of the present invention and descriptions of the current state of technological development, and are not intended to limit the scope of the present invention.

In view of this, in order to meet the above-mentioned needs, the present invention provides an optical lens device with a polarized microstructure layer and a method thereof, wherein a first surface and a second surface are configured on an optical substrate layer, and at least one optical A film layer (such as a protective film layer or other functional film layer) is combined on the first surface or the second surface, and a surface microstructure is formed on the optical film layer with a physical processing tool, so that the surface micro The structure forms an optical polarizing layer, and when a light or a light beam passes through the surface microstructure of the optical film layer, the surface microstructure will be used to generate a polarization effect on the light or light beam, so as to improve the conventional compound optical lens device The tiny structure does not have any technical problems of optical polarization function.

The main purpose of the preferred embodiment of the present invention is to provide an optical lens device with a polarizing microstructure layer and its method, which configures a first surface and a second surface on an optical substrate layer, and at least one optical film layer [For example: protective film layer or other functional film layer] is combined on the first surface or the second surface, and a surface microstructure is molded on the optical film layer with a physical processing tool, so that the surface microstructure is formed An optical polarizing layer, and when a light or a light beam passes through the surface microstructure of the optical film layer, the surface microstructure will be used to generate a polarization effect on the light or light beam, thus achieving the integration of its optical lens device The microstructure can provide the purpose or function of optical polarization function and reduce the overall thickness.

In order to achieve the above object, the optical lens device with polarizing microstructure layer of the preferred embodiment of the present invention includes:

An optical substrate layer, which is configured with a first surface and a second surface, and a light or a light beam can pass through the optical substrate layer;

At least one optical film layer, which is configured on the first surface or the second surface of the optical substrate layer;

at least one optical polarizing layer formed on the optical film layer and through which the light or light beam can pass; and

At least one surface microstructure is formed on the optical polarizing layer of the optical film layer with a physical processing tool, so that the surface microstructure forms the optical polarizing layer of the optical film layer, and the surface microstructure of the optical polarizing layer is used for to provide an optical polarization characteristic;

Wherein when the light or light beam passes through the surface microstructure of the optical film layer, the surface microstructure will be used to generate a polarization effect on the light or light beam.

The optical substrate layer in a preferred embodiment of the present invention can be selected from a single optical substrate layer or a composite film optical substrate layer.

The optical film layer of the preferred embodiment of the present invention can be selected from a single optical film layer or a composite film optical film layer.

The optical film layer in the preferred embodiment of the present invention can be optionally formed as a protective film layer, so as to use the protective film layer to protect the surface of the optical substrate layer.

The surface microstructure of the optical film layer in a preferred embodiment of the present invention is selected from a zigzag microstructure, a wavy microstructure, a groove microstructure, a groove microstructure, a prism microstructure, a convex Strip microstructures or any combination thereof.

The microstructure on the surface of the optical film layer in the preferred embodiment of the present invention forms a predetermined pattern, and the predetermined pattern forms the optical polarizing layer.

The predetermined pattern in a preferred embodiment of the present invention is selected from a concentric circle pattern, a fence pattern, a font pattern or any combination thereof.

In order to achieve the above object, the method of the optical lens device with polarized microstructure layer in the preferred embodiment of the present invention includes:

disposing a first surface and a second surface on an optical substrate layer, and A light or a light beam can pass through the optical substrate layer;

disposing at least one optical film layer on the first surface or the second surface of the optical substrate layer;

disposing and forming at least one optical polarizing layer on the optical film layer, and the light or light beam can pass through the optical polarizing layer;

Forming at least one surface microstructure on the optical polarizing layer of the optical film layer with a physical processing tool, so that the surface microstructure forms the optical polarizing layer of the optical film layer, and the surface microstructure of the optical polarizing layer is used for providing an optical polarization characteristic; and

When the light or beam passes through the surface microstructure of the optical film layer, the surface microstructure will be used to generate a polarization effect on the light or beam.

In a preferred embodiment of the present invention, the optical film layer and the optical polarizing layer are formed by integral molding, so that the optical film layer and the optical polarizing layer are a single layer.

The surface microstructure of the optical film layer in a preferred embodiment of the present invention is selected from a regular microstructure or an irregular microstructure.

In the preferred embodiment of the present invention, the surface microstructure is formed through the optical thin film layer.

In the preferred embodiment of the present invention, the surface microstructure protrusions are arranged on the surface of the optical film layer.

In a preferred embodiment of the present invention, the surface microstructure depressions are arranged on the surface of the optical film layer.

1: Optical substrate layer

1a: Curved optical substrate layer

11: First surface

12: Second surface

2: Optical film layer

2a: The first optical polarizing layer

2b: Second optical polarizing layer

2c: The third optical polarizing layer

2d: The fourth optical polarizing layer

2e: the fifth optical polarizing layer

20a: Microstructure of the first surface

20b: Microstructure of the second surface

20c: Microstructure of the third surface

20d: Microstructure of the fourth surface

20e: The fifth surface microstructure

201: The first microstructure pattern

202: The second tiny structure pattern

203: The third tiny structure pattern

204: The fourth tiny structure pattern

3: Extrusion molding mold

30:Extrusion surface of tiny structure

5: Laser processing control device

50:Laser launcher

Figure 1: A schematic side view of an optical lens device with a polarizing microstructure layer according to the first preferred embodiment of the present invention.

Figure 2: Schematic flow chart of the method for the optical lens device with polarizing microstructure layer according to the preferred embodiment of the present invention.

Figure 3: A schematic side view of an optical lens device with a polarizing microstructure layer according to a second preferred embodiment of the present invention.

Figure 4: A schematic side view of an optical lens device with a polarizing microstructure layer according to a third preferred embodiment of the present invention.

Fig. 5: A schematic side view of an optical lens device with a polarizing microstructure layer according to a fourth preferred embodiment of the present invention.

Fig. 6: A schematic side view of an optical lens device with a polarizing microstructure layer according to a fifth preferred embodiment of the present invention.

Fig. 7: A schematic side view of an optical lens device with a polarizing microstructure layer according to a sixth preferred embodiment of the present invention.

Fig. 8: A partially enlarged schematic diagram of an optical lens device with a polarizing microstructure layer according to a seventh preferred embodiment of the present invention.

Fig. 9A: a schematic front view of an optical lens device with a polarizing microstructure layer using a first microstructure pattern according to a preferred embodiment of the present invention.

Fig. 9B: a schematic front view of an optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention using a second microstructure pattern.

Fig. 9C: a schematic front view of an optical lens device with a polarizing microstructure layer using a third microstructure pattern according to a preferred embodiment of the present invention.

Fig. 9D: a schematic front view of an optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention using a fourth microstructure pattern.

In order to fully understand the present invention, preferred embodiments will be described below in detail together with the accompanying drawings, which are not intended to limit the present invention.

The optical lens device with polarizing microstructure layer (or microstructure layer) of the preferred embodiment of the present invention, its method and manufacturing method are suitable for various glasses devices (glasses), various sunglasses or sunglass devices (sunglasses), various virtual Wearable glasses devices for game machines, various goggles devices [goggles], various smart glasses devices [smart glasses], various 3D glasses devices, various optical film devices or other optical component devices [for example: sensing lens or photographic lens], but it is not intended to limit the scope of application of the present invention.

Fig. 1 shows a schematic side view of an optical lens device with a polarizing microstructure layer according to a first preferred embodiment of the present invention. Please refer to Fig. 1, for example, the optical lens device with polarizing microstructure layer of the first preferred embodiment of the present invention includes an optical substrate layer 1, at least one optical film layer 2, at least one first optical The polarizing layer 2a and at least one first surface microstructure [miniature structure] 20a or at least one first surface microstructure [microstructure].

Please refer to Figure 1 again, for example, the optical substrate layer 1 can be selected from a single optical substrate layer or a composite film optical substrate layer, and the optical substrate layer 1 can be selected to have a uniform thickness , and the optical substrate layer 1 can be selected from a glass substrate layer, a plastic substrate layer, an environmentally friendly plastic substrate layer, a polymer substrate layer, a polycarbonate [polycarbonate, PC] substrate layer, A polymethyl methacrylate [poly (methyl methacrylate), PMMA] substrate layer, a nylon substrate layer or a substrate layer with similar properties.

Please refer to Figure 1 again. For example, the optical substrate layer 1 can also be selected from another polarizing layer, an anti-reflection layer, a color-changing layer, an anti-blue light layer, an anti-blue ultraviolet light layer, a Anti-infrared layer, other functional film layers (such as: anti-fog layer or anti-scratch protective layer) or any combination thereof.

Please refer to Fig. 1 again, for example, the optical film layer 2 can be selected from a single optical substrate layer or a composite film optical substrate layer, and the optical film layer 2 can be optionally formed as a protective film layer [protective layer] or a film layer with a similar protective function, in order to use the protective film layer 2 to protect the surface of the optical substrate layer 1 from damage by mechanical processing or laser processing, or to use the protective film layer 2 to protect the optical substrate The surface of the material layer 1 is damaged in use.

Please refer to Figure 1 again, for example, the optical film Layer 2 can be selected from a metal material for proper coating to form an optical reflection film, an anti-reflection film, a light splitting film, a light reduction film or other metal films, and the metal material can be selected from aluminum [Al], gold [Au ], silver [Ag], nickel [Ni], chromium [Cr] or any combination thereof or alloy material.

Please refer to Figure 1 again. For example, the optical film layer 2 can be appropriately coated with another metal oxide material to form an anti-reflection [AR, anti-reflection] coating or a high penetration anti-reflection [HR , high transmittance AR coating] coating, and the metal oxide material can be selected from hafnium dioxide [HfO ₂ ], aluminum oxide [Al ₂ O ₃ ], tantalum pentoxide [Ta ₂ O ₅ ], silicon dioxide [SiO ₂ ], titanium dioxide [TiO ₂ ], zirconium dioxide [ZrO ₂ ], magnesium fluoride [MgF ₂ ], or any combination or alloy thereof.

Please refer to Fig. 1 again, for example, the size specifications of the first optical polarizing layer 2a and the first surface microstructure 20a respectively have a micro-size specification [such as: micro-size width, micro-size height, micro-size depth or other micro-sized specifications] in order to properly form surface microstructures of various shapes, and the first optical polarizing layer 2a and its optical polarization function are formed by the first surface microstructures 20a.

FIG. 2 discloses a schematic flow diagram of a method for an optical lens device with a polarized microstructure layer according to a preferred embodiment of the present invention, which corresponds to the optical lens device in FIG. 1 . Please refer to Figures 1 and 2, for example, the method of an optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention includes step S1: first, configure the optical substrate layer 1 with appropriate technical means A first surface (for example: front surface) 11 and a second surface (for example: rear surface) 12 , and a light or a light beam can pass through the optical substrate layer 1 .

Please refer to Figures 1 and 2 again. For example, the method for an optical lens device with a polarized microstructure layer according to a preferred embodiment of the present invention includes step S2: then, the at least one optical film layer is formed by appropriate technical means. 2 can be optionally arranged on the first surface 11 (or the second surface 12 ) of the optical substrate layer 1 .

Please refer to Figures 1 and 2 again. For example, the method for an optical lens device with a polarized microstructure layer according to a preferred embodiment of the present invention includes step S3: then, at least one or several of these The first optical polarizing layer 2a can be selectively configured and formed on one surface (for example: the front side surface or the rear side surface) of the optical film layer 2 in an integrated manner, and the light or light beam can pass through the first optical polarizing layer 2a , that is, the first optical polarizing layer 2a is an optical polarizing layer or a composite multilayer optical polarizing layer integrally formed on the surface of the optical film layer 2 (eg, the front surface or the rear surface).

Please refer to Figures 1 and 2 again. For example, the method of the optical lens device with a polarizing microstructure layer in another preferred embodiment of the present invention can be selected on the first surface 11 and the first surface 11 of the optical substrate layer 1. The optical film layer 2 and its first optical polarizing layer 2a are disposed on the second surface 12 at the same time, that is, it forms a double-sided optical polarizing optical substrate layer.

Please refer to Figures 1 and 2 again. For example, the method for an optical lens device with a polarizing microstructure layer according to a preferred embodiment of the present invention includes step S4: then, the first surface microstructure is formed by appropriate technical means. 20a is formed on the first optical polarizing layer 2a of the optical film layer 2 with a physical processing tool, so that the first surface microstructure 20a can properly form the first optical polarizing layer 2a of the optical film layer 2, and the The first surface microstructure 20a of the first optical polarizing layer 2a is used to provide an optical polarization characteristic, that is, it properly provides a polarization rate and a light transmittance.

Please refer to Figures 1 and 2 again. For example, the method of the optical lens device with a polarizing microstructure layer in the preferred embodiment of the present invention can be selected from an extrusion molding processing method, a thermal extrusion molding processing method, or The first surface microstructure 20a of the first optical polarizing layer 2a is produced by similar technical means (can be combined with other physical forming techniques).

Please refer to Figures 1 and 2 again. For example, the method of the optical lens device with a polarizing microstructure layer in the preferred embodiment of the present invention can choose to use an extrusion molding mold 3, and the extrusion molding mold 3 has a Microstructure extrusion surface 30 (as shown in FIG. 1 ), and the first surface microstructure 20a of the first optical polarizing layer 2a is formed on the optical substrate layer 1 by extrusion molding.

Please refer to Figures 1 and 2 again. For example, the optical film layer 2 and the first optical polarizing layer 2a [the first surface microstructure 20a] are formed by integral molding, so that the optical film layer 2 and the first The optical polarizing layer 2a (the first surface microstructure 20a ) is a single layer body, and it can be made of a single material, and its overall thickness can be reduced.

Please refer to Figures 1 and 2 again. For example, the method of the optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention includes step S5: then, when the light or light beam passes through the optical film layer 2, the first surface microstructure 20a will use the first surface microstructure 20a to produce a polarization effect on the light or light beam, that is, it will provide a polarization rate and a light transmittance appropriately, so that the optical substrate layer 1 and the optical film layer 2 provide an optical polarization field.

Please refer to Figures 1 and 2 again. For example, the first surface microstructure 20a is selected from a zigzag microstructure or a microstructure (or microstructure) with a similar shape, and the first surface microstructure 20a Selected from a regular microstructure or an irregular microstructure, and the first surface microstructure 20a can be selected to be protruded (protruded) on the surface of the optical film layer 2 (for example: front side surface or rear side surface) , as shown by the dotted line in Figure 1.

FIG. 3 discloses a schematic side view of an optical lens device with a polarizing microstructure layer according to a second preferred embodiment of the present invention, which corresponds to the optical lens device in FIG. 1 . Please refer to Figure 3, compared with the first embodiment, the first surface microstructure 20a of the second preferred embodiment of the present invention can be selected It is disposed on the surface of the optical film layer 2 (for example: the front surface or the rear surface) in a recessed manner, as shown by the dotted line in FIG. 3 .

FIG. 4 discloses a schematic side view of an optical lens device with a polarizing microstructure layer according to a third preferred embodiment of the present invention, which corresponds to the optical lens device in FIG. 1 . Please refer to Figure 4, compared to the first embodiment, the optical lens device with a polarized microstructure layer in the third preferred embodiment of the present invention selects a curved optical substrate layer 1a in combination with the optical film layer 2, and The first optical polarizing layer 2a is formed, and the curved optical substrate layer 1a has at least one curved surface, as shown by the dotted line in FIG. 4 .

FIG. 5 discloses a schematic side view of an optical lens device with a polarizing microstructure layer according to a fourth preferred embodiment of the present invention, which corresponds to the optical lens device in FIG. 1 . Please refer to Fig. 5, with respect to the first embodiment, the optical lens device with a polarizing microstructure layer in the fourth preferred embodiment of the present invention uses appropriate technical means to convert a second surface microstructure 20b into a laser beam The processing tool is molded on the second surface microstructure 20b of the optical film layer 2, so that the second surface microstructure 20b can properly form a second optical polarizing layer 2b.

Please refer to Fig. 5 again, the optical lens device with polarizing microstructure layer of the fourth preferred embodiment of the present invention can choose to use a laser beam processing machine, and the laser beam processing machine has a laser emitting head 50 [as shown in the upper half of Fig. 5], and utilize the laser emitting head 50 to provide a laser beam or a multi-point laser beam, so that the laser beam processing method is formed on the optical film layer 2 The second surface microstructure 20b of the second optical polarizing layer 2b.

Please refer to Figure 5 again, for example, the laser beam can be selected to be emitted by at least one laser processing machine, a laser processing control device 5 or a laser processing control device with similar functions through the laser The head 50 emits, and the laser processing machine can be selected from a desktop laser processing machine, a multi-axis laser processing machine or other small laser processing machines, and the laser emits The head 50 has a filter element (filter) or other elements.

Please refer to Figure 5 again. For example, the laser beam has a predetermined laser type [laser type], a predetermined wavelength [wavelength] and a predetermined power [power], and can be selected according to the above-mentioned different product characteristics. If required, the predetermined laser type, predetermined wavelength, and predetermined power can be selected and set. In addition, the laser beam has a spot radius or diameter or a spot shape (eg, circle, ellipse or other appropriate geometric shapes).

Please refer to Figure 5 again, the optical lens device with polarizing microstructure layer in the fourth preferred embodiment of the present invention can choose to use a laser beam to process the microstructure in a pre-extrusion molding process or a pre-heat extrusion molding process A precise surface microstructure is further precisely formed on the microstructure so as to form a composite multilayer optical polarizing layer.

FIG. 6 discloses a schematic side view of an optical lens device with a polarizing microstructure layer according to a fifth preferred embodiment of the present invention, which corresponds to the optical lens device in FIG. 1 . Please refer to Fig. 6, with respect to the first embodiment, the optical film layer 2 of the optical lens device with a polarizing microstructure layer in the fifth preferred embodiment of the present invention selects a third optical polarizing layer 2c and a The third surface microstructure 20c, and the third surface microstructure 20c is selected from a wavy microstructure.

FIG. 7 discloses a schematic side view of an optical lens device with a polarizing microstructure layer according to a sixth preferred embodiment of the present invention, which corresponds to the optical lens device in FIG. 1 . Please refer to Fig. 7, with respect to the first embodiment, the optical film layer 2 of the optical lens device with a polarizing microstructure layer in the sixth preferred embodiment of the present invention selects a fourth optical polarizing layer 2d and a The fourth surface microstructure 20d is penetratingly formed on the optical film layer 2 . In addition, the fourth surface microstructure 20d can also be selected from a groove-shaped microstructure, a prism-shaped microstructure, a ridge-shaped microstructure or any combination thereof.

Fig. 8 reveals the polarized micro A partially enlarged schematic diagram of the optical lens device of the small structure layer, which corresponds to the optical lens device in Figure 1. Please refer to Fig. 8, with respect to the first embodiment, the optical film layer 2 of the optical lens device with a polarized microstructure layer in the seventh preferred embodiment of the present invention selects a fifth optical polarizing layer 2e and a fifth optical polarizing layer 2e The fifth surface microstructure 20e, and the fifth surface microstructure 20e is selected from a groove-shaped microstructure. In addition, the fifth surface microstructure 20e can also be selected from a groove-shaped microstructure, a prism-shaped microstructure, a ridge-shaped microstructure or any combination thereof.

FIG. 9A shows a schematic front view of an optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention using a first microstructure pattern, which corresponds to the surface microstructure in FIG. 1 . Please refer to Figures 1 and 9A, for example, the optical film layer 2 of the optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention adopts a predetermined pattern, and the predetermined pattern forms the first The optical polarizing layer 2a (as shown in FIG. 1 ), and the predetermined pattern is formed by a first microstructure pattern 201, and the first microstructure pattern 201 is an oblique parallel groove pattern.

Fig. 9B shows a schematic front view of an optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention using a second microstructure pattern, which corresponds to the optical lens device with a polarizing microstructure layer in Fig. 9A. Please refer to Figures 1 and 9B, for example, the optical film layer 2 of the optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention adopts a predetermined pattern, and the predetermined pattern forms the first The optical polarizing layer 2 a (as shown in FIG. 1 ), and the predetermined pattern is formed by a second microstructure pattern 202 , and the second microstructure pattern 202 is a dot array pattern.

Fig. 9C shows a schematic front view of an optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention using a third microstructure pattern, which corresponds to the optical lens device with a polarizing microstructure layer in Figs. 9A and 9B. Please refer to Figures 1 and 9C, for example, the present invention is preferably The optical film layer 2 of the optical lens device with a polarizing microstructure layer of the embodiment selects a predetermined pattern, and the predetermined pattern forms the first optical polarizing layer 2a (as shown in Figure 1), and the predetermined pattern is formed by A third microstructure pattern 203 is formed, and the third microstructure pattern 203 is an elliptical dot array pattern.

FIG. 9D shows a schematic front view of an optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention using a fourth microstructure pattern, which corresponds to the optical lens device with a polarizing microstructure layer in FIGS. 9A to 9C. Please refer to Figures 1 and 9D, for example, the optical film layer 2 of the optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention adopts a predetermined pattern, and the predetermined pattern forms the first The optical polarizing layer 2a (as shown in FIG. 1 ), and the predetermined pattern is formed by a fourth microstructure pattern 204, and the fourth microstructure pattern 204 is a block array pattern.

Please refer to Figures 9A to 9D, for example, the optical film layer 2 of the optical lens device with a polarizing microstructure layer in a preferred embodiment of the present invention can select the predetermined pattern to be formed by various microstructure patterns, and the The predetermined pattern is selected from a concentric circle pattern, a fence pattern, a font pattern or any combination thereof.

The above-mentioned preferred embodiments only illustrate the present invention and its technical characteristics, and the technology of this embodiment can still be implemented in various substantially equivalent modifications and/or replacements; therefore, the scope of rights of the present invention depends on the appended patent application The scope defined by the scope shall prevail. The copyright in this case is restricted to be used for patent applications in the Republic of China.

1: Optical substrate layer

11: First surface

12: Second surface

2: Optical film layer

2a: The first optical polarizing layer

20a: Microstructure of the first surface

3: Extrusion molding mold

30:Extruded surface of tiny structure

Claims (10)

An optical lens device with a polarized microstructure layer, comprising: an optical substrate layer configured with a first surface and a second surface, and a light or a light beam can pass through the first surface of the optical substrate layer And the second surface; at least one optical film layer, which is configured on the first surface of the optical substrate layer or the second surface of the optical substrate layer; at least one optical polarizing layer, which is configured to be formed on the optical film layer , and the light or light beam can pass through the optical polarizing layer; and at least one surface microstructure is molded on the optical polarizing layer of the optical film layer with a physical processing tool, so that the surface microstructure forms the optical film layer The optical polarizing layer, and the surface microstructure of the optical polarizing layer is used to provide an optical polarization characteristic on the first surface of the optical substrate layer or the second surface of the optical substrate layer; wherein when the light or light beam travels When passing through the surface microstructure of the optical film layer, the light or light beam will be used to generate a polarization effect. According to the optical lens device with polarizing microstructure layer described in claim 1, the optical film layer can be selected from a single optical film layer or a composite film optical film layer. According to the optical lens device with a polarizing microstructure layer described in item 1 of the scope of the patent application, the microstructure on the surface of the optical film layer is selected from a zigzag microstructure, a wave microstructure, a groove microstructure, a A groove-shaped microstructure, a prism-shaped microstructure, a convex strip-shaped microstructure or any combination thereof. According to the optical lens device with polarizing microstructure layer described in item 1 of the scope of application, the microstructure on the surface of the optical film layer forms a predetermined pattern, and the predetermined pattern forms the optical polarizing layer. According to the optical lens device with a polarizing microstructure layer described in item 4 of the scope of the patent application, wherein the predetermined pattern is selected from a concentric circle pattern, a fence pattern, a font pattern or any combination thereof. A method for an optical lens device with a polarized microstructure layer, comprising: disposing a first surface and a second surface on an optical substrate layer, and a light or a light beam can pass through the first surface of the optical substrate layer a surface and a second surface; disposing at least one optical film layer on the first surface of the optical substrate layer or the second surface of the optical substrate layer; disposing at least one optical polarizing layer on the optical film layer, And the light or light beam can pass through the optical polarizing layer; at least one surface microstructure is molded on the optical polarizing layer of the optical film layer with a physical processing tool, so that the surface microstructure forms the optical polarization of the optical film layer layer, and the surface microstructure of the optical polarizing layer is used to provide an optical polarization characteristic on the first surface of the optical substrate layer or the second surface of the optical substrate layer; and when the light or light beam passes through the optical When the microstructure on the surface of the thin film layer is used, the light or light beam will be polarized by using the microstructure on the surface. According to the method for an optical lens device with a polarizing microstructure layer described in item 6 of the scope of the patent application, wherein the optical film layer and the optical polarizing layer are formed by integral molding, so that the optical film layer and the optical polarizing layer are a single layer body. According to the method of an optical lens device with a polarizing microstructure layer described in claim 6 of the patent application, wherein the surface microstructure of the optical film layer is selected from a regular microstructure or an irregular microstructure. According to the method of an optical lens device with a polarization microstructure layer described in claim 6, wherein the surface microstructure protrusions are arranged on the surface of the optical film layer. According to the method of the optical lens device with a polarized microstructure layer described in item 6 of the scope of the patent application, wherein the surface microstructure is recessed and arranged on the light on the surface of the chemical film layer.

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