TWI708989B - Lens module device - Google Patents

Abstract

A lens module device includes a lens supporting housing disposed on a base, wherein the edge of the opening of the lens supporting housing is provided with at least one glue groove strip. A fixing glue is filled between the base and the glue groove strip, such that the lens supporting housing is fixed on the base. Alternatively, the center of the base is provided with a protrusion. The outer diameter of the protrusion is smaller than the cross-sectional diameter of the lens supporting housing and larger than the cross-sectional diameter of the opening of the lens supporting housing. The lens supporting housing and the base form a glue-filled space therebetween when the lens supporting housing is disposed on the protrusion of the base. The glue-filled space is filled with a fixing glue to fix the lens supporting housing to the base. The present invention can increase the area of bonding the fixing glue and the reliability of the device. The structure of the present invention is beneficial to irradiating light to the fixing glue to be cured, thereby improving the integrity of curing the fixing glue.

Description

Lens module device

The present invention relates to an optical element, in particular to a lens module device with high reliability.

With the continuous progress and development of semiconductors in the electronics industry, semiconductors have more and more functions and become smaller in size. However, in addition to the functionality and durability of semiconductors as the conditions considered by the industry, for the semiconductor industry, the gap between semiconductor circuits The reliability is also a very important part. The Joint Electron Device Engineering Council (JEDEC) of the Solid State Technology Association has formulated the drop test specifications in the international industry standards. The semiconductor electronic components produced should meet the drop test specifications to ensure product reliability.

Take the lens module 90 in the electronic component as an example. Please refer to the first figure. In the past, when the lens support cover 92 and the base 94 were connected, Active Alignment (AA) was performed, and the lens support cover 92 and the base 94 After contacting, directly spread ultraviolet curing glue 96 (UV glue) around the side of the connection between the lens support cover 92 and the base 94, and irradiate ultraviolet rays for curing to connect the lens support cover 92 and the base 94.

Or other glue-dispensing methods, as shown in the second figure, after the lens module 90 performs Active Alignment (AA), glue is dispensed on the base 94 where the lens support cover 92 is joined, and then the lens is supported The cover 92 is moved to this position and irradiated with ultraviolet light to cure the ultraviolet hardening glue 96, so that the connecting lens support cover 92 and the base 94 are connected.

However, both of the above-mentioned two fixing methods have the disadvantage that the contact area between the ultraviolet curing glue 96 and the support cover 92 and the base 94 is too small, resulting in a decrease in firmness. Furthermore, both the lens support cover 92 and the base 94 are made of opaque materials, so when the UV lamp is irradiated, the ultraviolet hardening glue 96 irradiated between the lens support 92 and the base 94 cannot be penetrated, resulting in the ultraviolet hardening glue 96 The curing is not complete, so the stability is relatively reduced.

In view of this, the present invention addresses the shortcomings of the above-mentioned conventional technologies and proposes a lens module device to effectively overcome the above-mentioned problems.

The main purpose of the present invention is to provide a lens module device, which can increase the area where the lens support cover and the fixing glue are joined, and enhance the overall reliability of the device.

Another object of the present invention is to provide a lens module device, the structure of which facilitates the curing of the fixing glue to irradiate light, and can greatly improve the completeness of the fixing glue curing.

In order to achieve the above objective, the present invention provides a lens module device including a lens support cover, the side wall of the lens support cover is provided with at least one elongated rubber groove at the opening, and a base is arranged in the opening of the lens support cover , The connection between the base and the long rubber groove of the lens support cover can be filled with fixing glue to fix the lens support cover on the base.

The long glue groove system is an oblique long glue groove, an arc-shaped long glue groove or an L-shaped long glue groove. The L-shaped long glue groove can be located on the outer side wall or the inner side wall of the lens support cover.

A protruding block is further provided in the center of the base, and the protruding block can correspond to the L-shaped long glue groove on the inner side wall of the lens supporting cover.

The lens support cover is further provided with a lens hole on the other side of the opening.

The fixing glue is ultraviolet hardening glue or double-effect glue.

A light-emitting element mounting part is further provided in the center of the base for installing at least one light-emitting element Pieces.

In addition, the present invention also provides another lens module device, which includes a lens support cover and a base set in the opening of the lens support cover, and a protrusion is provided in the center of the base. The outer diameter of the protrusion is smaller than the lens support cover but larger than the lens The opening of the support cover allows the lens support cover to be set on the protrusion of the base. A glue filling space can be formed between the lens support cover and the base. The glue filling space can be filled with fixing glue for fixing the lens support cover on the base.

The side wall of the lens support cover is provided with at least one long glue groove at the opening. The long glue groove is an oblique long glue groove, an arc-shaped long glue groove or an L-shaped long glue groove. The long glue groove can be located on the outer side wall or the inner side wall of the lens support cover.

The protrusion of the base can correspond to the L-shaped long plastic groove of the inner side wall of the lens supporting cover.

The lens support cover is further provided with a lens hole on the other side of the opening.

The fixing glue is ultraviolet hardening glue or double-effect glue.

A light-emitting element mounting part is further provided in the center of the base for mounting at least one light-emitting element.

Detailed descriptions are given below by specific embodiments, so that it will be easier to understand the purpose, technical content, features, and effects of the present invention.

10: Base

12: Light-emitting element mounting part

14: Light-emitting element

20: Lens support cover

22: opening

24: lens

26: lens perforation

28: Long glue groove

30: fixed glue

32: Long plastic groove

34: Long plastic groove

36: Long glue groove

40: Lens support cover

42: opening

44: lens

46: lens perforation

50: base

52: bump

54: Light-emitting element mounting part

56: Light-emitting element

58: Filling space

90: lens module

92: lens support hood

94: base

96: UV hardening glue

The first figure is a cross-sectional view of a conventional lens module.

The second figure is a cross-sectional view of a conventional lens module according to another embodiment.

The third diagram A is a perspective view of the first embodiment of the present invention.

The third figure B is a cross-sectional view of the first embodiment of the present invention.

Fig. 4A is a perspective view of the second embodiment of the present invention.

The fourth figure B is a cross-sectional view of the second embodiment of the present invention.

Figure 5A is a perspective view of the third embodiment of the present invention.

Fig. 5B is a cross-sectional view of the third embodiment of the present invention.

Figure 6A is a perspective view of the fourth embodiment of the present invention.

Figure 6B is a cross-sectional view of the fourth embodiment of the present invention.

Figure 7A is a perspective view of the fifth embodiment of the present invention.

Figure 7B is a cross-sectional view of the fifth embodiment of the present invention.

Figure 7C is an exploded view of the fifth embodiment of the present invention.

Figure 8A is a perspective view of the sixth embodiment of the present invention.

Figure 8B is a cross-sectional view of the sixth embodiment of the present invention.

Figure 9A is a perspective view of the seventh embodiment of the present invention.

Figure 9B is a cross-sectional view of the seventh embodiment of the present invention.

Figure 10A is a perspective view of the eighth embodiment of the present invention.

Figure 10B is a cross-sectional view of the eighth embodiment of the present invention.

Figure 11A is a perspective view of the ninth embodiment of the present invention.

Figure 11B is a cross-sectional view of the ninth embodiment of the present invention.

The present invention is a lens module device. Through the design of a special structure, a non-parallel contact surface space can be left between the lens support cover and the base of the lens module device, and the space can be filled with fixing glue. The joint of the lens support cover and the base can be made more stable, and the reliability and stability of the lens module device can be greatly improved.

First, explain the structure of the first embodiment of the lens module device of the present invention, and explain how the structure achieves the above-mentioned effects. Please refer to Figures 3A and 3B to describe the first embodiment of the present invention in detail. For the structure of the lens module device of the embodiment, as shown in the figure, the lens module device includes a base 10 with a light-emitting element mounting portion 12 provided in the center of the base 10 for mounting at least one light-emitting element 14. A lens support cover 20 is provided on one side of the opening 22 on the base 10. The lens support cover 20 can support a lens 24. The lens support cover 20 is provided with a lens hole 26 on the other side of the opening 22 corresponding to the position of the lens 24 , The light-emitting element 14, the lens 24, and the lens perforation 26 are coaxially designed; on the sidewalls on both sides of the lens support cover 20 and located at the opening 22, there is at least one elongated glue groove 28. The elongated glue groove 28 of this embodiment It is an oblique long plastic groove, which provides a non-parallel space at the connection between the lens support cover 20 and the base 10. The long plastic groove 28 can be filled with a fixing glue 30 to fix the lens support cover 20 and the base 10, wherein The glue 30 can be an ultraviolet curing glue (UV glue) or a double-effect glue. The double-effect glue is a glue that can be cured by ultraviolet light or heat. When the fixing glue 30 is irradiated with ultraviolet light, the fixing glue 30 will be cured. The structural design of the long rubber groove 28 of the lens support cover 20 can not only increase the joint area of the lens support cover 20 and the fixing glue 30, and make the base 10 and the lens support cover 20 more stable, but also use ultraviolet light to irradiate the fixing glue 30. When curing is performed, it is more advantageous to increase the irradiated area of the fixing glue 30, which can greatly improve the solidification of the fixing glue 30.

In addition to the above embodiments, the present invention also provides another structural embodiment. Please refer to Figure 4A and Figure B to illustrate the structure of the lens module device according to the second embodiment of the present invention. As shown in the figure, the lens The module device includes a base 10, and the structure of the base 10 of this embodiment is the same as that of the first embodiment, so the description will not be repeated. A lens support cover 20 is provided on the base 10, and the structure of the opening 22, the lens 24, and the lens perforation 26 on the lens support cover 20 are the same as the first embodiment, so the description will not be repeated. The different structure of an embodiment is that the long glue groove 32 is an arc-shaped long glue groove 32, and the structure of the arc-shaped long glue groove 32 can also create a non-parallel space between the lens support cover 20 and the base 10 When the fixing glue 30 is filled into the base 10 and the long glue groove 32, the structural design of the long glue groove 32 of the lens support cover 20 can not only increase the joint area of the lens support cover 20 and the fixing glue 30, and make the base 10 and In addition to the more stable bonding of the lens support cover 20, when the fixing glue 30 is irradiated with ultraviolet light for curing, it is more conducive to increase the area where the fixing glue 30 is irradiated, and can greatly improve the curing integrity of the fixing glue 30.

Please refer to FIG. 5A and FIG. 5B to illustrate the structure of the lens module device according to the third embodiment of the present invention. As shown in the figure, the lens module device includes a base 10. The structure of the base 10 in this embodiment is The first embodiment is the same, so the description will not be repeated. A lens support cover 20 is disposed on the base 10. The lens support cover 20 is provided with an opening 22 for inserting the lens 24. The top of the lens support cover 20 corresponding to the lens 24 is further provided with a lens perforation 26. More importantly, both sides of the lens support cover 20 are located on the outer side wall, and at least one elongated glue groove 34 is further provided at the position of the opening 22. The elongated glue groove 34 of this embodiment is an L-shaped elongated glue groove 34. This structure can create a non-parallel space between the lens support cover 20 and the base 10. When the fixing glue 30 is filled into the base 10 and the long glue groove 34, the long glue groove 34 of the lens support cover 20 The structure design can increase the joint area of the lens support cover 20 and the fixing glue 30, so that the base 10 and the lens support cover 20 are joined more firmly. When the fixing glue 30 is cured by ultraviolet light, it is more beneficial to increase the amount of the fixing glue 30 irradiated The area can improve the completeness of the fixing glue 30 curing.

Next, please refer to Figures 6A and 6B to describe in detail the structure of the lens module device of the fourth embodiment of the present invention. As shown in the figure, the lens module device includes a base 10, and a center of the base 10 The light-emitting element mounting portion 12 is used for mounting at least one light-emitting element 14. A lens support cover 20 is arranged on the base 10. The structure of the opening 22, the lens 24 and the lens perforation 26 on the lens support cover 20 are the same as those of the first embodiment, so the description will not be repeated. The fourth embodiment is different from the first embodiment The structure is that the long plastic grooves 36 in the opening 26 on the inner side walls on both sides of the lens support cover 20 of this embodiment are L-shaped long plastic grooves, and the long plastic grooves 36 on the inner side walls make the lens support cover There is a non-parallel space between the base 20 and the base 10, and a fixing glue 30 can be filled between the base 10 and the long glue groove 36. The fixing glue 30 can be ultraviolet curing glue (UV glue) or double-effect glue, double-effect glue It is a gel that can be cured by ultraviolet light or heat. When the fixing glue 30 is cured by irradiating ultraviolet light, the lens support cover 20 can be fixed on the base 10. The structural design of the long glue groove 36 can increase the joint area of the lens support cover 20 and the fixing glue 10, strengthen the overall reliability of the device, and facilitate the fixing glue 30 to irradiate the curing light, which can greatly improve the completeness of the fixing glue 30 curing. degree.

The lens module device of the present invention can not only change the design of the long plastic groove of the lens support cover In addition, through the change of the base structure design, the lens module device can also create a non-parallel space between the lens support cover and the base, so as to increase the area of the fixed glue connecting the lens support cover and the base, and at the same time increase the fixed glue to illuminate the ultraviolet light. Improve the completeness of the fixing glue curing. Please refer to Figures 7A to 7C to illustrate the structure of the fifth embodiment of the present invention. As shown in the figure, the lens module device of this embodiment includes a lens support cover 40, and the lens support cover 40 is provided with an opening 42. The opening 42 can be used for placing a lens 44 into the lens support cover 40, and a lens hole 46 is further provided at the top of the lens support cover 40 corresponding to the lens 44. A base 50 is disposed in the opening 42 of the lens support cover 40. A protrusion 52 is provided in the center of the base 50. A light-emitting element mounting portion 54 is further provided in the center of the protrusion 52 for installing a light-emitting element 56. The outer diameter of the protrusion 52 is Is smaller than the lens support cover 40, but the outer diameter of the protrusion 52 is larger than the opening 42 of the lens support cover 40. Therefore, when the lens support cover 40 is disposed on the protrusion 52 of the base 50, the lens support cover 40 and the base 50 A glue filling space 58 is formed, and the glue filling space 58 can be filled with the fixing glue 30 for fixing the lens support cover 40 and the base 50 together. The structural design of the filling space 58 can not only increase the bonding area of the fixing glue 30, the base 50 and the lens support cover 40, and make the base 50 and the lens support cover 40 more stable, but also when the fixing glue 30 is cured by ultraviolet light irradiation , It is more conducive to increase the area of the fixed glue 30 irradiated, and can greatly improve the completeness of curing of the fixed glue 30.

In addition, the structure of the sixth embodiment of the present invention further reveals that there is a protruding block in the center of the base, and the long rubber groove structure of the lens support cover. For details, please refer to Figures 8A and 8B. The base of the embodiment is the same as that of the above-mentioned fifth embodiment. A protrusion 52 is provided in the center of the base 50, and a light-emitting element mounting portion 54 is further provided in the center of the protrusion 52 for installing a light-emitting element 56 and a lens support cover 20 The structure of the opening 22, the lens 24, the lens perforation 26, and the elongated glue groove 36 of the lens support cover 20 are the same as the fourth embodiment, so the description will not be repeated. When the lens support cover 20 is set on the base 50, the fixing glue 30 can be first applied to the position where the lens support cover 20 is set, and the lens support cover 20 is installed so that the L-shaped long plastic groove 36 on the inner side wall can correspond to the base The protruding block 52 in the center of 50 and the elongated rubber groove 36 are connected to the space of the glue filling 58, which increases the joint area of the fixing glue 30, the base 50 and the lens support cover 20, and improves Reliability.

Please refer to Figure 9A and Figure 9B to illustrate the seventh embodiment of the present invention. The lens module device of this embodiment includes a base 50, a protrusion 52 of the base 50, a light-emitting element mounting portion 54 and a structure of the light-emitting element 56 All are the same as the above-mentioned fifth embodiment, so the description will not be repeated. A lens support cover 20 is arranged on the base 50. The opening 22, the lens 24, the lens perforation 26, and the oblique long rubber groove 28 of the lens support cover 20 are the same as the lens support cover 20 of the first embodiment, so the description will not be repeated . When the lens support cover 20 is set on the base 50, the oblique long glue groove 28 of the side wall of the lens support cover 20, in combination with the protrusion 52 of the base 50, creates a glue filling space 58 into which the fixing glue 30 can be filled. When the lens support cover 20 is fixed on the base 50, the long glue groove 28 and the filling space 58 can increase the bonding area of the fixing glue 30, the base 50 and the lens support cover 40, and make the base 50 and the lens support cover 20 more stable. At the same time, it is further considered that when the fixing glue 30 is irradiated with ultraviolet light for curing, it is beneficial to increase the area where the fixing glue 30 is irradiated, and can greatly improve the curing integrity of the fixing glue 30.

Next, please refer to FIG. 10A and FIG. 10B to illustrate the eighth embodiment of the present invention. The structure of the base 50 is the same as that of the above-mentioned fifth embodiment, so the description will not be repeated. A lens support cover 20 is arranged on the base 50. The opening 22, the lens 24, the lens perforation 26, and the long plastic groove 32 of the lens support cover 20 are arc-shaped long plastic grooves, which are the same as the lens support cover 20 of the second embodiment. The same, so the description is not repeated. When the lens support cover 20 is set on the base 50, the arc-shaped elongated glue groove 32 on the side wall of the lens support cover 20 is matched with the protrusion 52 of the base 50 to create a glue filling space 58, which can be filled and fixed The glue 30 is used for fixing the lens support cover 20 on the base 50. The long glue groove 32 and the glue filling space 58 can increase the bonding area of the fixing glue 30, the base 50 and the lens support cover 20, so that the base 50 and the lens support cover 20 are joined more firmly, and the fixing glue 30 can be irradiated with ultraviolet light. When curing is performed, it is more advantageous to increase the irradiated area of the fixing glue 30, which can greatly improve the solidification of the fixing glue 30.

To continue the description of the ninth embodiment of the present invention, please refer to FIG. 11A and FIG. 11B. The structure of the base 50 is the same as that of the above-mentioned fifth embodiment, so the description will not be repeated. A lens support cover 20 set On the seat, the opening 22 of the lens support cover 20, the lens 24, the lens perforation 26, and the L-shaped elongated plastic groove 34 are the same as those of the third embodiment, so they will not be repeated. Narrative. When the lens support cover 20 is set on the base 50, the L-shaped elongated plastic groove 34 on the side wall of the lens support cover 20 is matched with the protrusion 52 of the base 50 to create a glue filling space 58, which can be filled with fixed glue 30. For the lens support cover 20 to be fixed on the base 50, the long glue groove 34 with the glue filling space 58 can increase the joint area of the fixing glue 30, the base 50 and the lens support cover 20, and make the base 50 and the lens support cover 20 more joined It is stable and at the same time can increase the area of the fixing glue 30 irradiated by ultraviolet light, which can greatly improve the completeness of the fixing glue 30 curing.

In summary, the present invention can increase the area where the lens support cover and the fixing glue are joined, and strengthen the overall stability of the device. The structure of the invention facilitates the curing of the fixing glue to irradiate light, and can greatly improve the completeness of the fixing glue curing.

Only the above are merely preferred embodiments of the present invention, and are not used to limit the scope of the present invention. Therefore, all equivalent changes or modifications made in accordance with the characteristics and spirit of the application scope of the present invention shall be included in the patent application scope of the present invention.

10: Base

12: Light-emitting element mounting part

14: Light-emitting element

20: Lens support cover

22: opening

24: lens

26: lens perforation

28: Long glue groove

30: fixed glue

Claims (8)

Long glue groove long glue groove long glue groove long glue groove long glue groove long glue groove long glue groove long glue groove long glue groove long glue groove long glue groove A lens module device, It includes: a lens support cover, at least one side wall of the lens support cover, and at least one elongated rubber groove is located at the opening; and a base for setting the lens support cover, and the opening of the lens support cover is set at On the base, there is a protrusion in the center of the base. The outer diameter of the protrusion is smaller than the lens support cover, but the outer diameter of the protrusion is larger than the opening of the lens support cover, and the lens support cover is arranged on the base On the protruding block, a glue filling space can be formed between the lens support cover and the base, and the glue filling space and the long glue groove can be filled with fixing glue for fixing the lens support cover on the base. The lens module device according to claim 1, wherein the long glue groove is an oblique long glue groove. The lens module device according to claim 1, wherein the long glue groove is an arc-shaped long glue groove. The lens module device according to claim 1, wherein the long glue groove is an L-shaped long glue groove and is located on the outer side wall of the lens support cover. The lens module device according to claim 1, wherein the long glue groove is an L-shaped long glue groove and is located on the inner side wall of the lens support cover, and the protrusion of the base can correspondingly engage the lens support cover The L-shaped long glue groove of the inner side wall. The lens module device according to claim 1, wherein the lens support cover is further provided with a lens hole on the other side of the opening. The lens module device according to claim 1, wherein the fixing glue is ultraviolet curing glue or double-effect glue. The lens module device according to claim 1, wherein a light-emitting element mounting portion is further provided in the center of the base for mounting at least one light-emitting element.

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