CN218159093U - Fingerprint identification device and intelligent wrist-watch - Google Patents
Fingerprint identification device and intelligent wrist-watch Download PDFInfo
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- CN218159093U CN218159093U CN202221742283.3U CN202221742283U CN218159093U CN 218159093 U CN218159093 U CN 218159093U CN 202221742283 U CN202221742283 U CN 202221742283U CN 218159093 U CN218159093 U CN 218159093U
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Abstract
The application relates to the technical field of electronic equipment, in particular to a fingerprint identification device and an intelligent watch. Fingerprint identification device is used for setting up between the display screen and the mainboard of intelligent wrist-watch, and it includes the fingerprint identification module, and the fingerprint identification module includes sensor chip and the optical lens of integrated above that, and sensor chip is connected with the mainboard electricity, and optical lens is towards the display screen. The through-hole is seted up with the relative position department of fingerprint identification module to the light-tight piece of the lower surface of display screen, the display screen forms the fingerprint identification region with the relative region of through-hole, thereby carry the fingerprint identification module in the below of the display screen of intelligent wrist-watch, when user's finger is pressed on this fingerprint identification region, the fingerprint identification module can acquire user's fingerprint information, the fingerprint identification module does not expose in the outside of intelligent wrist-watch simultaneously, the uniformity of product appearance has been improved, and optical fingerprint identification module is small, the installation space who occupies is also little.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a fingerprint identification device and an intelligent watch.
Background
In the consumer electronics market, a large number of new electronic products emerge, compared with the traditional mobile phone industry, the new consumer electronics have more categories and diversified functions, wherein the smart watch is one of important products and quickly becomes a new mainstream consumer electronics product; however, the fingerprint identification device is not popularized in the current smart watch, and the fingerprint identification device adopted by a small number of products is also a traditional capacitive fingerprint identification device, so that the consistency of the appearance of the products is influenced, and the occupied space is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fingerprint identification device and intelligent wrist-watch to make intelligent wrist-watch have the fingerprint identification function, and improve the outward appearance uniformity to a certain extent and reduce the shared space of fingerprint identification device installation.
The utility model provides a fingerprint identification device, which is arranged between a display screen and a mainboard which are arranged at relative intervals of an intelligent watch; the fingerprint identification device comprises a fingerprint identification module, wherein the fingerprint identification module comprises a sensor chip and an optical lens integrated on the sensor chip; the sensor chip is electrically connected with the mainboard, and the optical lens faces the display screen; the display screen orientation be provided with opaque spare on the surface of one side of mainboard, opaque spare with the through-hole has been seted up to the position department that fingerprint identification module is relative.
Further, the sensor chip is attached and welded to the main board.
Further, the fingerprint identification device further comprises a substrate; the substrate is positioned between the mainboard and the fingerprint identification module, and the substrate and the mainboard are arranged in parallel at intervals; the sensor chip is attached to the substrate and electrically connected with the substrate, and the substrate is electrically connected with the mainboard.
Further, one of the main board and the substrate is provided with a communication connector, and the other one is provided with a communication plug; the communication plug is plugged in the communication connector to realize electrical connection.
Further, the fingerprint identification device further comprises a first shading piece; the first shading piece is arranged around the outer side of the fingerprint identification module; one end of the first shading piece is attached to and connected to the main board, and the other end of the first shading piece is attached to and connected to the opaque piece or the display screen.
Further, the fingerprint identification device further comprises a second shading piece; the second shading piece is arranged around the outer side of the fingerprint identification module; one end of the second shading piece is attached to the substrate, and the other end of the second shading piece is attached to the opaque piece or the display screen.
Furthermore, the clearance between the display screen and the fingerprint identification module is 0mm-5mm.
Further, the sensor chip and the optical lens of the fingerprint identification module are packaged in an integrated mode.
Further, the sensor chip and the optical lens of the fingerprint identification module are packaged in a chip scale.
The utility model also provides an intelligent watch, including display screen, mainboard and any one of the above-mentioned fingerprint identification device, the display screen with the relative interval of mainboard sets up, the fingerprint identification device set up in the display screen with between the mainboard.
Further, the smart watch further comprises a middle frame shell; the inside wall of center shell in the below of the week side border of at least both sides of mainboard is formed with the supporting part, the mainboard bond in on the supporting part.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a fingerprint identification device which is arranged between a display screen and a mainboard of an intelligent watch; the fingerprint identification device comprises a fingerprint identification module, wherein the fingerprint identification module is an optical fingerprint identification module and comprises a sensor chip and an optical lens integrated on the sensor chip; the sensor chip faces the mainboard and is electrically connected with the mainboard, and the optical lens is positioned above the sensor chip and faces the display screen above. The lower surface of the display screen is provided with a light-tight piece; a through hole is formed in the position, opposite to the fingerprint identification module, of the light-tight piece, and an optical lens at the upper end of the fingerprint identification module directly faces the display screen exposed at the through hole; meanwhile, a fingerprint identification area of the display screen is formed in an area, opposite to the through hole, of the display screen, so that the optical fingerprint identification module is carried below the display screen of the intelligent watch, the intelligent watch has an under-screen fingerprint identification function, when a finger of a user presses the fingerprint identification area, an optical lens below the display screen can receive light reflected by the fingerprint of the finger of the user and guide the light to a sensor chip below the optical lens to acquire fingerprint information of the user; simultaneously, the fingerprint identification module does not expose in the outside of intelligent wrist-watch, has improved the uniformity of product outward appearance, and optical fingerprint identification module is small, and the installation space who occupies is also little.
The utility model also provides an intelligence wrist-watch, include the fingerprint identification device, therefore the intelligence wrist-watch also has fingerprint identification device's beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fingerprint identification device mounted in a smart watch according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a fingerprint identification device mounted in a smart watch according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a fingerprint identification device mounted in a smart watch according to an embodiment of the present invention.
Reference numerals:
the display device comprises a display screen 1, a light-tight piece 11, a through hole 12, a mainboard 2, a fingerprint identification module 3, a middle frame shell 4, a first shading piece 5, a second shading piece 6 and a substrate 7.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The fingerprint identification device and the smart watch according to some embodiments of the present application are described below with reference to fig. 1 to 3.
The utility model provides a first aspect of a fingerprint identification device, which is arranged below a display screen of an intelligent watch, so that the intelligent watch has a fingerprint identification function; fig. 1 to 3 show fingerprint recognition devices mounted in a smart watch according to first, second, and third embodiments of the present invention, respectively.
Example one
As shown in fig. 1, an embodiment of the present application provides a fingerprint identification device for set up in intelligent wrist-watch, and intelligent wrist-watch includes display screen 1, mainboard 2 and center shell 4, and display screen 1 installs in the upper end of center shell 4 of intelligent wrist-watch, for example, the laminating of display screen 1 accessible screen laminating glue is in the upper end of center shell 4. The mainboard 2 sets up in the inside of center shell 4, and mainboard 2 sets up with the relative interval of display screen 1, makes to form the accommodation space between mainboard 2 and the display screen 1.
Fingerprint identification device includes fingerprint identification module 3, and fingerprint identification module 3 sets up in the accommodation space between mainboard 2 and display screen 1, and fingerprint identification module 3 is optical type fingerprint identification module 3, and it includes sensor chip and the optical lens of integrated on sensor chip.
Fingerprint identification module 3's sensor chip is connected towards mainboard 2 and with mainboard 2 electricity, and optical lens is located sensor chip's top and towards the display screen 1 of top.
The surface of one side of the display screen 1, which faces the mainboard 2, is the lower surface of the display screen 1, and the lower surface of the display screen 1 is provided with a light-tight piece 11; for example, the opaque member 11 includes an opaque Cushion layer (Cushion), a copper layer (Cu layer), and an FPC board (Flexible Printed Circuit) sequentially disposed from top to bottom on the lower surface of the display panel 1.
A through hole 12 is arranged at the position of the light-tight piece 11 opposite to the fingerprint identification module 3, and the through hole 12 at least can enable the upper end of the fingerprint identification module 3 to extend into so that an optical lens at the upper end of the fingerprint identification module 3 directly faces the display screen 1 exposed at the through hole 12; meanwhile, the area of the display screen 1 opposite to the through hole 12 forms a fingerprint identification area of the display screen 1, so that the optical fingerprint identification module 3 is carried below the display screen 1 of the intelligent watch, the intelligent watch has a fingerprint identification function under the screen, when a finger of a user presses on the fingerprint identification area, an optical lens below the display screen 1 can receive light reflected by the fingerprint of the finger of the user and guide the light to a sensor chip below the optical lens to acquire fingerprint information of the user; simultaneously, fingerprint identification module 3 does not expose in the outside of intelligent wrist-watch, has improved the uniformity of product outward appearance, and 3 small of optical fingerprint identification module, and the installation space who occupies is also little.
In this embodiment, preferably, the sensor chip of the fingerprint identification module 3 and the optical lens are an integrated package module.
In this embodiment, preferably, the sensor Chip and the optical lens of the fingerprint identification module 3 are a novel CSP (Chip Scale Package) Package module, and the optical lens is integrated on the sensor Chip, so as to achieve the goal of miniaturization of the fingerprint identification module 3, and further occupy a smaller installation space when the fingerprint identification module is installed in a smart watch.
In this embodiment, preferably, the gap between the fingerprint identification module 3 and the lower surface of the display screen 1 is 0mm-5mm.
In the first embodiment, as shown in fig. 1, the fingerprint identification module 3 is mounted on the motherboard 2 and electrically connected to the motherboard 2.
Preferably, the sensor chip of the fingerprint identification module 3 is directly attached and welded to the motherboard 2 by a solder paste SMT (Surface mount Technology) scheme, and the bottom of the sensor chip is coated with an adhesive (underfill) to protect the bonding pad at the bottom of the sensor chip; thereby carry fingerprint identification module 3 steadily on mainboard 2, realize sensor chip and mainboard 2's electrical connection simultaneously.
In the first embodiment, as shown in fig. 1, the fingerprint identification device further includes a first light-shielding member 5, the first light-shielding member 5 surrounds the outside of the fingerprint identification module 3, and the lower end of the first light-shielding member 5 is attached to the main board 2, the upper end of the first light-shielding member 5 is attached to the opaque member 11, thereby the fingerprint identification module 3 is enclosed to the display screen 1, the first light-shielding member 5 and the main board 2 are arranged therebetween, and a black box environment is created, so that the fingerprint identification module 3 identifies the fingerprint of the user in the black box environment, when the fingerprint of the user is identified through the fingerprint identification module 3, the first light-shielding member 5 can absorb stray light reflected by other components below the middle frame shell or the display screen, and influence of the stray light on the fingerprint identification is avoided.
In this embodiment, preferably, both ends of the first light-shielding member 5 are respectively adhered to the main board 2 and the light-proof member 11 by glue, film, foam or the like.
Preferably, the material of the first shade 5 may be metal, resin, plastic, foam, or the like.
When the first light-shielding member 5 is made of a hard material, such as a metal material, it can be used as a supporting member in addition to shielding light, so that the first light-shielding member 5 is supported between the display screen 1 and the main board 2.
When the first light-shielding member 5 is made of a softer material, such as foam, plastic or resin, the first light-shielding member 5 can also buffer the display screen 1.
Example two
As shown in fig. 2, a second embodiment of the present invention provides another fingerprint identification device. The fingerprint recognition device of the second embodiment shown in fig. 2 is similar to the fingerprint recognition device of the first embodiment shown in fig. 1, except for the arrangement of the first light-shielding member 5, i.e., the arrangement position of the first light-shielding member 5.
In the first embodiment, the upper end of the first light shielding member 5 is attached to the opaque member 11, and in the second embodiment, the upper end of the first light shielding member 5 extends into the through hole 12 of the opaque member 11, and the upper end of the first light shielding member 5 is directly attached to the lower surface of the display panel 1.
In embodiment two, build black box environment through first light-proof piece 5 equally, absorb or reflect the stray light that influences fingerprint identification through first light-proof piece 5, make fingerprint identification module 3 discern user's fingerprint under black box environment, improve the recognition effect.
EXAMPLE III
As shown in fig. 3, a third embodiment of the present application provides yet another fingerprint identification device. The fingerprint recognition device of the third embodiment shown in fig. 3 is similar to the fingerprint recognition device of the first embodiment shown in fig. 1, and the differences only include the connection between the fingerprint recognition module 3 and the main board 2 and the arrangement manner of the light shielding member. In the following, a description will be mainly given of the differences between the third embodiment shown in fig. 3 and the first embodiment shown in fig. 1.
Unlike the first embodiment shown in fig. 1 in which the sensor chip of the fingerprint identification module 3 is directly attached and soldered to the motherboard 2, in the third embodiment, as shown in fig. 3, the fingerprint identification device further includes a substrate 7, the substrate 7 is parallel to the motherboard 2, and the substrate 7 is located above the motherboard 2 and spaced from the motherboard 2 by a predetermined distance. Fingerprint identification module 3 is carried on base plate 7, for example, fingerprint identification module 3 directly attaches the welding to base plate 7 through tin cream SMT scheme on to realize fingerprint identification module 3's sensor chip and base plate 7's electrical connection.
Base plate 7 and mainboard 2 electrical connection to make fingerprint identification module 3 pass through base plate 7 and mainboard 2 electrical connection. Preferably, one of the substrate 7 and the motherboard 2 is provided with a communication connector, and the other is provided with a communication plug, and the communication plug is plugged in the communication connector, so that the substrate 7 and the motherboard 2 are electrically connected.
In the third embodiment, as shown in fig. 3, a light shielding member is also enclosed outside the fingerprint identification module 3, in the third embodiment, the light shielding member is a second light shielding member 6, the second light shielding member 6 is enclosed outside the fingerprint identification module 3, and the lower end of the second light shielding member 6 is attached to the substrate 7, the upper end of the second light shielding member 6 is attached to the lower surface of the display screen 1, or the upper end of the second light shielding member 6 can also be attached to the opaque member 11.
Through setting up the second and preventing light piece 6, can build the black box environment promptly, make fingerprint identification module 3 discern user's fingerprint under the black box environment, the second prevents light piece 6 simultaneously and still plays the supporting role, and base plate 7 bonds on display screen 1 through second with the fingerprint identification module 3 that is located the base plate 7 top.
A second aspect of the application provides an intelligent watch, comprising a display screen and a main board which are arranged at intervals, and the fingerprint identification device of any one of the embodiments arranged between the display screen and the main board; in this embodiment, the smart watch includes the fingerprint identification device, so the smart watch has all the beneficial effects of the fingerprint identification device, and the details are not repeated herein.
In this embodiment, preferably, the smart watch still includes center shell 4, and the laminating is glued in the upper end of center shell 4 to display screen 1 accessible screen laminating, and mainboard 2 sets up in the inside of center shell 4, and mainboard 2 sets up with display screen 1 relative interval.
Regarding the connection between the main board 2 and the middle frame casing 4, in this embodiment, it is preferable that a support portion is formed on the inner side wall of the middle frame casing 4, and the support portion is located at least below the circumferential side edges of both sides of the main board 2, so that the main board 2 can be lapped on the support portion and adhered to the support portion by an adhesive.
Preferably, the supporting portion is annular, and the peripheral side edge of the main board 2 is all bonded on the supporting portion, so that the main board 2 is stably installed in the smart watch.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (11)
1. The fingerprint identification device is characterized by being arranged between a display screen and a main board which are oppositely arranged at intervals of an intelligent watch;
the fingerprint identification device comprises a fingerprint identification module, wherein the fingerprint identification module comprises a sensor chip and an optical lens integrated on the sensor chip;
the sensor chip is electrically connected with the mainboard, and the optical lens faces the display screen;
the display screen orientation be provided with opaque spare on the surface of one side of mainboard, opaque spare with the through-hole has been seted up to the position department that fingerprint identification module is relative.
2. The fingerprint recognition device of claim 1, wherein the sensor chip is adhesively soldered to the motherboard.
3. The fingerprint recognition device of claim 1, further comprising a substrate;
the substrate is positioned between the mainboard and the fingerprint identification module, and the substrate and the mainboard are arranged in parallel at intervals;
the sensor chip is attached to the substrate and electrically connected with the substrate, and the substrate is electrically connected with the mainboard.
4. The fingerprint identification device according to claim 3, wherein one of the main board and the substrate is provided with a communication connector, and the other is provided with a communication plug; the communication plug is plugged in the communication connector to realize electrical connection.
5. The fingerprint recognition device according to claim 1 or 2, wherein the fingerprint recognition device further comprises a first light shielding member;
the first shading part is arranged around the outer side of the fingerprint identification module;
one end of the first shading piece is attached to and connected to the main board, and the other end of the first shading piece is attached to and connected to the opaque piece or the display screen.
6. The fingerprint recognition device according to claim 3 or 4, wherein the fingerprint recognition device further comprises a second light-shielding member;
the second shading piece is arranged around the outer side of the fingerprint identification module;
one end of the second shading piece is attached to the substrate, and the other end of the second shading piece is attached to the opaque piece or the display screen.
7. The fingerprint identification device according to any one of claims 1 to 4, wherein the gap between the display screen and the fingerprint identification module is 0mm-5mm.
8. The fingerprint recognition device according to any one of claims 1 to 4, wherein the sensor chip and the optical lens of the fingerprint recognition module are an integrated package module.
9. The fingerprint recognition device according to any one of claims 1 to 4, wherein the sensor chip and the optical lens of the fingerprint recognition module are chip scale package modules.
10. An intelligent watch, comprising a display screen, a main board and the fingerprint identification device of any one of claims 1 to 9, wherein the display screen and the main board are arranged at an interval, and the fingerprint identification device is arranged between the display screen and the main board.
11. The smart watch of claim 10, further comprising a middle frame housing;
the display screen is fixed at the upper end of the middle frame shell;
the inside wall of center shell in the below of the week side border of at least both sides of mainboard is formed with the supporting part, the mainboard bond in on the supporting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742283.3U CN218159093U (en) | 2022-07-05 | 2022-07-05 | Fingerprint identification device and intelligent wrist-watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221742283.3U CN218159093U (en) | 2022-07-05 | 2022-07-05 | Fingerprint identification device and intelligent wrist-watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218159093U true CN218159093U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221742283.3U Active CN218159093U (en) | 2022-07-05 | 2022-07-05 | Fingerprint identification device and intelligent wrist-watch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218159093U (en) |
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2022
- 2022-07-05 CN CN202221742283.3U patent/CN218159093U/en active Active
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Address after: 201-1, 2nd Floor, Building 4, No. 188 Rixin Road, Binhai Science and Technology Park, Binhai New Area, Tianjin, 300450 Patentee after: Tianjin Jihao Technology Co.,Ltd. Address before: 100082 Z, 17th floor, No. 1, Zhongguancun Street, Haidian District, Beijing Patentee before: Beijing Jihao Technology Co.,Ltd. |