TWM634439U - Lens mount holder and lens module using the same - Google Patents

Abstract

A lens mount holder is arranged on a side of a lens mount, and the lens mount holder includes a light-transmitting part, a peripheral part and an accommodating portion. The peripheral part surrounds the light-transmitting part, and the accommodating portion is recessed in the peripheral part so that the peripheral part protrudes from the outside of the light-transmitting part to form a flange. The peripheral part, the accommodating portion and the light-transmitting part are integrally formed.

Description

Lens mount fixing frame and lens module using it

This creation relates to a fixing frame, and in particular relates to a lens mount fixing frame and a lens module using the same.

In recent years, portable electronic devices have developed rapidly, and lens modules mounted on portable electronic devices have also developed rapidly. Correspondingly, users have higher and higher requirements for lens quality.

Generally speaking, there is a lens mount holder under the lens module, and the holder is provided with an opening. The light glass covers the opening, and the light-transmitting glass is glued and fixed to the edge of the opening, so that the light-transmitting glass and the fixing frame are fixed as a whole. However, the assembly steps of the above-mentioned lens module are complicated, and the number of components required for assembly is large, so the assembly time is relatively long and the cost is high. It is necessary to propose an improvement.

This creation is about a lens mount fixing frame and a lens module using it, so as to reduce assembly steps and costs.

According to one aspect of the present invention, a lens mount fixing frame is provided, which is disposed on one side of a lens mount. The lens mount fixing frame includes a light-transmitting component, a peripheral component, and an accommodating portion. The peripheral part surrounds the light-transmitting part, and the accommodating part is recessed in the peripheral part so that the peripheral part protrudes outside the light-transmitting part to form a flange. The peripheral component, the accommodating part and the light-transmitting component are integrally formed.

According to one aspect of the invention, a lens module is provided, which includes a lens mount, a lens group, and a lens mount fixing frame. The lens holder has a through hole. The lens is arranged in the through hole. The lens holder fixing frame is arranged on one side of the lens holder, wherein the through hole and the light-transmitting component are arranged on the optical axis of the lens group.

According to one aspect of the present invention, a lens mount fixing frame is provided, which is disposed on one side of a lens mount. The lens seat fixing frame includes a light-transmitting component and a peripheral component. The peripheral part surrounds the light-transmitting part, and the peripheral part protrudes outside the light-transmitting part to form a flange and form an accommodating part. Wherein, the peripheral component and the light-transmitting component are integrally formed, so that the accommodating portion is recessed in the peripheral component.

In order to have a better understanding of the above and other aspects of this creation, the following special examples are given below, and the accompanying drawings are described in detail as follows:

100: Lens module

110: fixed frame

112: Light-transmitting parts

114: Peripheral components

115: Flange

116:Accommodating part

118: filter

120: Lens holder

121: Through hole

122: lens group

123: electrical pin

S1: first surface

S2: second surface

A: optical axis

L: light

Fig. 1A and Fig. 1B respectively depict the external schematic diagram and internal schematic diagram of the lens holder fixing frame according to an embodiment of the present invention; Group cutaway diagram.

The following will clearly and completely describe the technical content of this invention embodiment with reference to the drawings in this invention embodiment. Obviously, the described embodiment is a part of the embodiments of this application, not all embodiments. The same/similar symbols are used to represent the same/similar components in the following description.

Please refer to Figures 1A and 1B, which respectively show the appearance and interior schematic diagrams of a lens mount fixing frame (hereinafter referred to as the fixing frame) 110 according to an embodiment of the present invention, wherein Figure 1A shows the outer surface of the fixing frame 110 , FIG. 1B shows the inner surface of the fixing frame 110 . The outer surface of the fixing frame 110 is opposite to the inner surface. The appearance of the fixing frame 110 is not limited, it can be square or other shapes, and the outer surface of the fixing frame 110 can be a plane or a curved surface.

The fixing frame 110 is an integrated fixing frame, which includes a light-transmitting component 112 , a peripheral component 114 and an accommodating portion 116 . The peripheral component 114 can be an opaque component that surrounds the transparent component 112 . The peripheral part 114 is equivalent to the light-shielding frame of the fixing frame 110, and is used to block external stray light so that effective light can pass through, while the light-transmitting part 112 is equivalent to the effective opening area of the fixing frame 110, allowing light to pass through the light-transmitting part 112 and enter the lens module. The thickness of the peripheral part 114 is relatively greater than that of the transparent part 112 , for example, the thickness of the transparent part 112 is about half of the thickness of the peripheral part 114 (see FIG. 2B ).

The accommodating portion 116 is recessed in the peripheral part 114 so that the peripheral part 114 protrudes outside the transparent part 112 to form a flange 115 . The flange 115 is equivalent to the frame edge of the fixing frame 110, and the accommodating portion 116 is equivalent to a groove for exposing out of the light-transmitting member 112. In FIG. 1A , the outer surface of the fixing frame 110 has, for example, an accommodating portion 116 (ie, a groove) for exposing a first surface S1 of the light-transmitting component 112 . In FIG. 1B , the inner surface of the fixing frame 110 has, for example, another accommodating portion 116 (ie, a groove) for exposing a second surface S2 of the light-transmitting component 112 .

In this embodiment, a filter 118 is provided on the first surface S1 and/or the second surface S2 of the light-transmitting member 112, and the filter 118 can allow light of a specific wavelength to pass through, so that the lens module can receive light of a specific wavelength. Alternatively, a filter 118 is disposed on the second surface S2 of the light-transmitting member 112 , and the filter 118 can allow the light of a specific wavelength to pass through, so that the lens module 100 can receive the light of a specific wavelength. That is to say, the filter 118 is not limited to be disposed on the first surface S1 or the second surface S2 , and can also be disposed on both of them.

In one embodiment, the optical filter 118 can be an infrared cut filter or a filter of other wavelength bands, which is a thin sheet of optical film with high refractive index alternately coated on the optical film by using precision optical coating technology. The filter 118 can be used as an optical filter to cut off visible light (such as 400nm-630nm) and near-infrared (such as 700nm-1100nm), but the invention is not limited thereto.

In addition, the fixing frame 110 can be integrally formed by the transparent part 112 , the peripheral part 114 and the accommodating part 116 . The material of the fixing frame 110 can be plastic or other transparent materials. The peripheral part 114, the accommodating part 116 and the light-transmitting part 112 can be formed by plastic injection molding at the same time, so it is not necessary to fix the light-transmitting part 112 and the peripheral part 114 with glue. . In other words, the peripheral part 114 surrounds the light-transmitting part 112 , and the peripheral part 114 protrudes outside the light-transmitting part 112 to form a flange 115 . The accommodating portion 116 is formed, and the peripheral component 114 and the light-transmitting component 112 are integrally formed, so that the accommodating portion 116 is recessed in the peripheral component 114 . That is to say, the fixing frame 110 is a plastic injection part made of a single material or a plastic injection part made of two or more materials. The fixing frame 110 is, for example, optical-grade plastic, and there is no need to assemble multiple components into one body or use dispensing. , so that the assembly time can be saved, and each part of the fixing frame 110 is formed simultaneously by plastic injection molding, which can save about two-thirds of the amount of material.

In this embodiment, when the peripheral component 114 is used as an opaque component, an opaque layer is formed on the peripheral component 114 to become the light-shielding frame of the integrally formed fixing frame 110. In addition, compared with the conventional Glass is used as the light-transmitting cover plate. In this embodiment, the plastic injection-molded light-transmitting component 112 is directly used to replace the glass, which not only saves the assembly process, but also allows light to pass through the light-transmitting component 112 and enter the lens module. Furthermore, traditional glass is a plane, since the light-transmitting member 112 of this embodiment is formed by injection molding of plastic, the light-transmitting member 112 is not limited to being a plane. In an embodiment, the outer surface of the transparent member 112 may be a plane or a curved surface, so as to be a plane mirror, a convex lens or other types of plastic lenses.

Please refer to FIG. 2A and FIG. 2B , which respectively depict the appearance schematic diagram of the lens mount 120 and the schematic cross-sectional diagram of the lens module 100 according to an embodiment of the present invention. The lens module 100 includes a lens mount 120 , a lens group 122 and a fixing frame 110 . The fixing frame 110 is disposed on one side of the lens holder 120 (ie, the light emitting side). The peripheral part 114 (flange 115 ) of the fixing frame 110 is connected to the lens mount 120 by surface mount technology, for example, and the light-transmitting part 112 of the fixing frame 110 corresponds to the center of the lens mount 120 . In addition, the filter can be disposed on the first surface S1 and/or the second surface of the light-transmitting member 112 on the surface S2, so that light passes through the lens mount 120 and enters the light-transmitting member 112, and then emerges from the other side of the light-transmitting member 112 to reach the photosensitive element.

In this embodiment, the lens holder 120 has a through hole 121 . The lens group 122 is disposed in the through hole 121, and the number of lenses can be one or more. The through hole 121 and the light-transmitting member 112 are disposed on the optical axis A of the lens group 122 . The area covered by the light-transmitting member 112 is greater than the area of the through hole 121, and the size of the lens group 122 is approximately equal to the size of the through hole 121, and the position of the lens group 122 in the through hole 121 can be adjusted, for example, the lens group 122 is along the The direction of the optical axis A can be adjusted to meet the needs. In addition, the lens holder 120 can also be electrically connected to the power supply of the external controller through the electrical pin 123 (or electrical elastic piece), so as to control the position of the lens group 122 in the through hole 121 .

Although the photosensitive element is not shown in the figure, it is conceivable that the photosensitive element can be disposed on one side of the fixing frame 110 , for example, the photosensitive element and the lens holder 120 are disposed on opposite sides of the fixing frame 110 . The photosensitive element is, for example, a complementary metal oxide semiconductor (CMOS) chip or a charge-coupled device (CCD) chip, and the photosensitive element can be disposed on a packaging substrate by means of a flip chip. However, the photosensitive element can also be arranged in other ways, which is not limited in the present invention.

In the present invention, the lens mount fixing frame and the lens module applying it in the above-mentioned embodiments adopt an integral molding method to simultaneously form the peripheral components, the accommodating portion and the light-transmitting component. The material of the fixing frame can be plastic or other transparent materials, and there is no need to assemble multiple parts into one or use glue, so it can save assembly time, and each part of the fixing frame is formed at the same time by plastic injection molding, which can save assembly cost.

In summary, although this creation has been disclosed as above with the embodiment, its It is not intended to limit this creation. Those with ordinary knowledge in the technical field to which this creation belongs may make various changes and modifications without departing from the spirit and scope of this creation. Therefore, the scope of protection of this creation should be defined by the scope of the attached patent application.

110: Lens mount holder

112: Light-transmitting parts

114: Peripheral components

115: Flange

116:Accommodating part

S1: first surface

Claims (10)

A lens holder fixing frame, which is arranged on one side of a lens holder, the fixing frame includes: a light-transmitting component; a peripheral component, surrounding the light-transmitting component; and an accommodating part, wherein the accommodating part is recessed In the peripheral part, the peripheral part protrudes outside the light-transmitting part to form a flange, and the peripheral part, the accommodating part and the light-transmitting part are integrally formed. The fixing frame according to claim 1, wherein the peripheral component, the accommodating portion and the light-transmitting component are simultaneously formed by plastic injection molding. The fixing bracket according to claim 1, wherein the fixing bracket is a plastic part made of a single material. The fixing frame according to claim 1, wherein at least one surface of the light-transmitting member is exposed in the accommodating portion. The fixing frame according to claim 4 further includes a filter disposed on the at least one surface of the light-transmitting member. The fixing frame according to claim 5, wherein the filter is an infrared cut filter. The holder according to claim 1, wherein the light-transmitting member is a plane or a curved surface. A lens module, comprising: a lens mount with a through hole; A lens group, arranged in the through hole; and the lens holder fixing frame as described in one of claims 1 to 7, arranged on one side of the lens holder, wherein the through hole and the light-transmitting member are arranged on the on the optical axis of the lens group. The lens module according to claim 8, wherein the lens mount fixing frame is arranged on the light emitting side of the lens mount. A lens holder fixing frame, which is arranged on one side of a lens holder, the fixing frame includes: a light-transmitting part; An accommodating portion is formed by forming a flange; wherein, the peripheral component and the light-transmitting component are integrally formed, so that the accommodating portion is recessed in the peripheral component.

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