阅读说明：本技术 一种连体的柔性透镜及其制作方法 (Conjoined flexible lens and manufacturing method thereof ) 是由 王定锋 徐文红 冉崇友 徐磊 宋健 于 2020-05-21 设计创作，主要内容包括：本发明涉及一种连体的柔性透镜及其制作方法,具体而言,制作一包含多个透镜模腔的连体透镜模具,下模是透镜的外表面模,上模是透镜的内表面模,然后上下模喷上脱模剂,将液态透光胶水施加在下模上,再将上模压在上面,加热,胶水固化后形成含多个透镜的连体透镜,上下模和透镜脱出分离,即制成了含多个透镜的连体柔性透镜,透镜的透镜之间的连接部分都是柔性的,而且是相同成分的透光树脂材料。(The invention relates to a conjoined flexible lens and a manufacturing method thereof, in particular to a conjoined lens mold comprising a plurality of lens mold cavities, wherein a lower mold is an outer surface mold of the lens, an upper mold is an inner surface mold of the lens, then a release agent is sprayed on the upper mold and the lower mold, liquid light-transmitting glue is applied on the lower mold, then the upper mold is pressed on the upper mold and heated, the glue is solidified to form the conjoined lens comprising a plurality of lenses, the upper mold and the lower mold are separated from the lens, and the conjoined flexible lens comprising the plurality of lenses is manufactured, and the connecting parts between the lenses of the lenses are flexible and are made of light-transmitting resin materials with the same components.)

1. A method for manufacturing a conjoined flexible lens includes designing and manufacturing a conjoined lens mold including a plurality of lens mold cavities according to optical angles of required lenses, wherein a lower mold is an outer surface mold of the lenses, an upper mold is an inner surface mold of the lenses, then a release agent is sprayed on the upper and lower molds, the lower mold is placed on a horizontal plane, liquid transparent glue and a curing agent are uniformly mixed and exhausted and then are applied to the lower mold, the upper mold is pressed on the transparent glue and the lower mold in an aligning mode, the upper mold is embedded into the transparent glue, the mold is heated and transferred to the glue to enable the glue to be rapidly cured, or the glue is placed at normal temperature to enable the glue to be slowly cured to form the conjoined lenses including the lenses, the upper mold and the lower mold are separated from the lenses, and the conjoined flexible lenses including the lenses are manufactured, and connecting parts between the lenses are flexible and are made of transparent resin materials with the same components.

2. A conjoined flexible lens comprising:

a conjoined flexible lens which is made of flexible light-transmitting resin and contains a plurality of lenses;

the LED module is characterized in that the conjoined lens is a conjoined structure formed by mutually connecting a plurality of lenses, the connector part between the lenses is flexible, the materials of the lenses and the connector are the same light-transmitting resin materials, the conjoined lens is kept to be used in a conjoined state when in use, the conjoined flexible lens is used for the flexible circuit board LED module, when in use, each lens corresponds to one LED lamp bead to be used, or each lens corresponds to one group of LEDs to be used, and each lens of the conjoined lens is a concave lens or each lens is a convex lens.

3. A conjoined flexible lens as claimed in claim 1 or 2, wherein the resin material is a flexible resin material, and the resin is epoxy resin, acrylic resin, polyurethane resin, or silicone resin.

4. A conjoined flexible lens as claimed in claim 1 or 2, wherein each lens is a concave lens, each lens is a thin lens with a thick central part, and at least one surface of the lens is concave.

5. The conjoined flexible lens according to claim 1 or 2, wherein each lens is a convex lens, each lens is a lens with a thick middle and a thin periphery, and one surface of each lens is a concave structure while the other surface is a convex structure.

Technical Field

The invention relates to the field of LED illumination, in particular to a conjoined flexible lens and a manufacturing method thereof.

Background

The flexible lamp module is manufactured in the LED industry, and two modes are adopted at present: when the flexible LED lamp is used, a single rigid lens is manufactured, and is buckled on the lamp bead and adhered to the flexible circuit board, or the single rigid lens is manufactured and adhered to the lamp bead, and then the lamp bead is adhered and welded on the circuit board, so that the efficiency of the method is very low.

Traditional disjunctor lens all is with the injection mould with the resin heating melt back, and injection moulding makes all rigidity disjunctor lens, can't make flexible disjunctor lens, can not use on flexible LED module.

In order to solve the problem, the invention adopts the following method to manufacture the conjoined flexible lens, overcoming the technology:

the conjoined flexible lens is made of liquid resin, and the resin is solidified in a mould to form the flexible conjoined lens. The method comprises designing and manufacturing a conjoined lens mold comprising a plurality of lens mold cavities according to the optical angle of a required lens, wherein the lower mold is an outer surface mold of the lens, the upper mold is an inner surface mold of the lens, then the upper mold and the lower mold are sprayed with a release agent, the lower mold is arranged on a horizontal plane, liquid transparent glue and a curing agent are uniformly mixed and exhausted and then are applied on the lower mold, then the upper mold is pressed on the transparent glue and the lower mold in a contraposition manner, the upper mold is embedded into the transparent glue, the mold is heated and transferred to the glue to enable the glue to be rapidly cured, or the glue is placed at normal temperature to enable the glue to be slowly cured to form the conjoined lens comprising a plurality of lenses, the upper mold and the lower mold are separated from the lens, and the conjoined flexible lens comprising a plurality of lenses is manufactured, and the connecting parts between the lenses are all flexible and are transparent resin materials with the same components. The manufactured conjoined flexible lens can be used on the flexible LED module, and the whole conjoined lens is attached to the flexible module together when in use, so that the production efficiency is improved.

Disclosure of Invention

The invention relates to a conjoined flexible lens and a manufacturing method thereof, in particular to a conjoined lens mold comprising a plurality of lens mold cavities, wherein a lower mold is an outer surface mold of the lens, an upper mold is an inner surface mold of the lens, then a release agent is sprayed on the upper mold and the lower mold, liquid light-transmitting glue is applied on the lower mold, then the upper mold is pressed on the upper mold and heated, the glue is solidified to form the conjoined lens comprising a plurality of lenses, the upper mold and the lower mold are separated from the lens, and the conjoined flexible lens comprising the plurality of lenses is manufactured, and the connecting parts between the lenses of the lenses are flexible and are made of light-transmitting resin materials with the same components.

According to the present invention, there is provided a method for manufacturing a conjoined flexible lens, specifically, a conjoined lens mold including a plurality of lens mold cavities is designed and manufactured according to the optical angle of the lens required, the lower mold is an outer surface mold of the lens, the upper mold is an inner surface mold of the lens, then spraying a release agent on the upper die and the lower die, placing the lower die on a horizontal plane, uniformly mixing the liquid light-transmitting glue and the curing agent, exhausting air, applying the mixture on the lower die, aligning and pressing the upper die on the light-transmitting glue and the lower die, embedding the upper die into the light-transmitting glue, heating the die to transfer heat to the glue to quickly cure the glue, or the lens is placed at normal temperature to slowly solidify the glue to form a connected lens containing a plurality of lenses, the upper die and the lower die are separated from the lens, namely, the conjoined flexible lens containing a plurality of lenses is manufactured, and the connecting parts between the lenses are all flexible and are made of the light-transmitting resin material with the same component.

There is also provided according to the present invention a conjoined flexible lens, comprising: a conjoined flexible lens which is made of flexible light-transmitting resin and contains a plurality of lenses; the LED module is characterized in that the conjoined lens is a conjoined structure formed by mutually connecting a plurality of lenses, the connector part between the lenses is flexible, the materials of the lenses and the connector are the same light-transmitting resin material, the conjoined lens is kept to be used in a conjoined state when in use, the conjoined flexible lens is used for the flexible circuit board LED module, when in use, each lens corresponds to one LED lamp bead to be used, or each lens corresponds to one group of LEDs to be used, and each lens of the conjoined lens is a concave lens or a convex lens.

According to a preferred embodiment of the present invention, the conjoined flexible lens is characterized in that the resin material is a flexible resin material, and the resin is epoxy resin, acrylic resin, polyurethane resin, or silicone resin.

According to a preferred embodiment of the present invention, the one-piece flexible lens is characterized in that each of the lenses is a concave lens, each of the lenses is a lens with a thin middle part and thick periphery, and at least one surface of the lens is concave.

According to a preferred embodiment of the present invention, the one-piece flexible lens is characterized in that each lens is a convex lens, each lens is a lens with a thick middle part and thin periphery, and one surface of each lens is a concave structure while the other surface is a convex structure.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below.

Drawings

The features, objects, and advantages of the present invention will become more apparent from the description set forth below when taken in conjunction with the drawings, a brief description of which follows.

Fig. 1 is a schematic cross-sectional view of an upper male mold for a concave lens.

FIG. 2 is a schematic cross-sectional view of a lower mold cavity of a concave lens.

Fig. 3 is a schematic cross-sectional view of an upper male mold for a convex lens.

FIG. 4 is a schematic cross-sectional view of a lower mold cavity for a convex lens.

FIG. 5 is a schematic cross-sectional view of an upper male mold and a lower female mold of a concave lens.

Fig. 6 is a schematic cross-sectional view of an upper mold punch and a lower mold punch of a convex lens.

FIG. 7 is a schematic view of the left and right equiangular axes of the upper and lower dies.

Fig. 8 is a schematic cross-sectional view of a lenticular flexible lens.

Fig. 9 is a schematic cross-sectional view of a concave-lens flexible lens.

Detailed Description

The present invention will be described in detail below by taking preferred embodiments as examples.

It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.

Examples

1. Manufacture of shaped lens mold

Laser engraving a steel plate, polishing, plating mirror nickel, and manufacturing a lower die female die 1.1 and an upper die male die 2.1, wherein the upper die male die drills a group of pipe hole positions, and the lower die female die is provided with a group of pipe hole nails for positioning and aligning the upper die and the lower die (shown in figures 1, 2, 3 and 4).

2. Manufacture of conjoined flexible lens

And (3) spraying a release agent at the position where the female die 1.1 and the male die 2.1 are contacted with the product, and placing on a horizontal table for later use. Preparing silica gel 3.1 according to the proportion of the main agent to the curing agent being 4: 1, mixing and stirring evenly, and then vacuumizing to remove air bubbles in the silica gel liquid.

3. Fabrication of flexible lenses

And applying a proper amount of vacuumized silica gel liquid into a flat lower die concave die, then oppositely stacking an upper die convex die on the lower die, standing and curing for 2 hours, and taking out the shaped silica gel after the silica gel liquid is cured to prepare a convex lens flexible lens 4.1a or a concave lens flexible lens 4.1b (shown in figures 5, 6, 7, 8 and 9).

The present invention has been described in detail with reference to the accompanying drawings, which illustrate specific embodiments of a conjoined flexible lens. It will be understood by those skilled in the art, however, that the foregoing is merely illustrative and descriptive of some specific embodiments and is not to be construed as limiting the scope of the invention, especially the scope of the claims.