CN220154947U - Side fingerprint module - Google Patents
Side fingerprint module Download PDFInfo
- Publication number
- CN220154947U CN220154947U CN202321503719.8U CN202321503719U CN220154947U CN 220154947 U CN220154947 U CN 220154947U CN 202321503719 U CN202321503719 U CN 202321503719U CN 220154947 U CN220154947 U CN 220154947U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- steel sheet
- flexible circuit
- reinforcing steel
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 34
- 238000005452 bending Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a side fingerprint module, comprising: the fingerprint chip is electrically connected with the upper surface of one end of the flexible circuit board, the other end of the flexible circuit board is connected with a main board of terminal equipment, a reinforcing steel sheet is arranged on the lower surface of the flexible circuit board and located right below the fingerprint chip, a gasket is arranged on one side of the reinforcing steel sheet, opposite to the flexible circuit board, and the gasket is connected with the reinforcing steel sheet in a matched mode through at least one group of protrusions and grooves. The utility model can realize positioning reference during assembly, reduce the laminating time, improve the laminating efficiency, avoid the sliding position running condition and improve the yield and the use hand feeling.
Description
Technical Field
The utility model relates to a side fingerprint module, and belongs to the field of structural design of fingerprint sensors.
Background
The side fingerprint is different with traditional front and back fingerprint's mounted position, and traditional front and back fingerprint demand occupies front or back's space of construction, even then needs to dig designs such as empty to cooperate the fingerprint, and the side fingerprint then establishes the side at the smart machine casing, has avoided the fingerprint to the occupation of front screen, fine adaptation market to the increasingly more demand of front comprehensive screen.
The existing side fingerprint module is not provided with an alignment reference when a product is assembled, 100% alignment is needed by manually adopting a CCD camera through a magnifying glass, the man-hour of manual operation is long, the cost is high, the efficiency is low, the position running condition is easy to occur, and the yield and the handfeel of the product are reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a side fingerprint module, which can realize positioning reference during assembly, reduce the attaching time, improve the attaching efficiency, avoid the sliding position running condition and improve the yield and the using hand feeling.
In order to solve the technical problems, the utility model adopts the following technical scheme: a side fingerprint module, comprising: the fingerprint chip is electrically connected with the upper surface of one end of the flexible circuit board, the other end of the flexible circuit board is connected with a main board of terminal equipment, a reinforcing steel sheet is arranged on the lower surface of the flexible circuit board and located right below the fingerprint chip, a gasket is arranged on one side of the reinforcing steel sheet, opposite to the flexible circuit board, and the gasket is connected with the reinforcing steel sheet in a matched mode through at least one group of protrusions and grooves.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the reinforcing steel sheet is connected with the flexible circuit board and the gasket through bonding.
2. In the scheme, two ends of the reinforcing steel sheet are respectively provided with one groove, and 2 protrusions which can be respectively embedded into the grooves are formed on the upper surface of the gasket.
3. In the above scheme, the groove is an arc groove, and the protrusion is an arc protrusion.
4. In the above-mentioned scheme, the flexible circuit board further includes: the fingerprint chip comprises a body part with the upper surface electrically connected with the fingerprint chip and a bending part positioned below the body part, wherein the bending part is used for being connected with a main board of terminal equipment.
5. In the above scheme, the body part and the bending part of the flexible circuit board are connected through a connecting rib.
6. In the scheme, the lower surface of the fingerprint chip is connected with the upper surface of the body part of the flexible circuit board through welding.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the side fingerprint module, the reinforcing steel sheet is arranged on the lower surface of the flexible circuit board and is positioned right below the fingerprint chip, one side of the reinforcing steel sheet, which is opposite to the flexible circuit board, is provided with the gasket, and the gasket and the reinforcing steel sheet are connected in a matched manner through at least one group of protrusions and grooves, so that the gasket and the reinforcing steel sheet can be used as alignment references in assembly, the attaching time is shortened, the attaching efficiency is improved, the situation that the reinforcing steel sheet slides and runs in attaching can be avoided, and the yield and the using hand feeling are improved.
Drawings
FIG. 1 is a schematic diagram of a practical side fingerprint module;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an exploded view of the side fingerprint module.
In the above figures: 1. a flexible circuit board; 11. a body portion; 12. a bending part; 13. a connecting rib; 2. a fingerprint chip; 3. reinforcing steel sheets; 4. a gasket; 51. a protrusion; 52. a groove.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a side fingerprint module, comprising: the fingerprint chip 2 that flexible circuit board 1 and with flexible circuit board 1 one end upper surface electricity are connected, the other end of flexible circuit board 1 is used for being connected with terminal equipment's mainboard, the lower surface of flexible circuit board 1 and be provided with a reinforcement steel sheet 3 under fingerprint chip 2, this reinforcement steel sheet 3 is provided with a gasket 4 in the one side of flexible circuit board 1 opposite to each other, be connected through at least a set of arch 51 and recess 52 cooperation between gasket 4 and the reinforcement steel sheet 3.
The reinforcing steel sheet 3 is connected with the flexible circuit board 1 and the gasket 4 through bonding.
Two ends of the reinforcing steel sheet 3 are respectively provided with a groove 52, and 2 protrusions 51 which can be respectively embedded into the grooves 52 are formed on the upper surface of the gasket 4.
The groove 52 is an arc-shaped groove, and the protrusion 51 is an arc-shaped protrusion.
The main body 11 and the bending portion 12 of the flexible circuit board 1 are connected by a connecting rib 13.
The lower surface of the fingerprint chip 2 is connected with the upper surface of the body 11 of the flexible circuit board 1 by welding.
Example 2: a side fingerprint module, comprising: the fingerprint chip 2 that flexible circuit board 1 and with flexible circuit board 1 one end upper surface electricity are connected, the other end of flexible circuit board 1 is used for being connected with terminal equipment's mainboard, the lower surface of flexible circuit board 1 and be provided with a reinforcement steel sheet 3 under fingerprint chip 2, this reinforcement steel sheet 3 is provided with a gasket 4 in the one side of flexible circuit board 1 opposite to each other, be connected through at least a set of arch 51 and recess 52 cooperation between gasket 4 and the reinforcement steel sheet 3.
The flexible wiring board 1 further includes: the fingerprint chip comprises a body part 11 with the upper surface electrically connected with the fingerprint chip 2 and a bending part 12 positioned below the body part 11, wherein the bending part 12 is used for being connected with a main board of the terminal equipment.
The gasket 4 is a TPU gasket having elasticity.
The groove 52 is a semicircular groove, and the protrusion 51 is a semicircular protrusion.
The action principle of the utility model is as follows:
when the product is assembled, the arc-shaped bulge of the gasket and the arc-shaped groove on the reinforcing steel sheet are used as alignment references, the gasket is coated with the adhesive, and then the arc-shaped bulge of the gasket is aligned with the arc-shaped bulge of the reinforcing steel sheet, so that the bonding of the reinforcing steel sheet and the gasket is completed, the positioning of the reinforcing steel sheet and the bonding of the gasket is realized, and the situation that the reinforcing steel sheet slides and runs when the bonding is avoided.
When adopting above-mentioned side fingerprint module, it both can realize when the equipment taking gasket and reinforcement steel sheet as counterpoint benchmark, has reduced the time of laminating, improves laminating efficiency, can also avoid the reinforcement steel sheet to appear sliding when the laminating and run the condition of position, has improved yields and use feel.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (7)
1. A side fingerprint module, comprising: the fingerprint chip (2) that flexible line way board (1) and with flexible line way board (1) one end upper surface electricity are connected, the other end of flexible line way board (1) is used for being connected its characterized in that with terminal equipment's mainboard: the fingerprint circuit board is characterized in that a reinforcing steel sheet (3) is arranged on the lower surface of the flexible circuit board (1) and located under the fingerprint chip (2), a gasket (4) is arranged on one side, opposite to the flexible circuit board (1), of the reinforcing steel sheet (3), and the gasket (4) is connected with the reinforcing steel sheet (3) in a matched mode through at least one group of protrusions (51) and grooves (52).
2. The side fingerprint module of claim 1, wherein: the reinforcing steel sheet (3) is connected with the flexible circuit board (1) and the gasket (4) through bonding.
3. The side fingerprint module of claim 1, wherein: two ends of the reinforcing steel sheet (3) are respectively provided with a groove (52), and 2 protrusions (51) which can be respectively embedded into the grooves (52) are formed on the upper surface of the gasket (4).
4. A side fingerprint module according to claim 3, wherein: the grooves (52) are arc-shaped grooves, and the protrusions (51) are arc-shaped protrusions.
5. The side fingerprint module of claim 1, wherein: the flexible wiring board (1) further comprises: the fingerprint device comprises a body part (11) with the upper surface electrically connected with the fingerprint chip (2) and a bending part (12) positioned below the body part (11), wherein the bending part (12) is used for being connected with a main board of the terminal device.
6. The side fingerprint module of claim 5, wherein: the body part (11) of the flexible circuit board (1) is connected with the bending part (12) through a connecting rib (13).
7. The side fingerprint module of claim 5, wherein: the lower surface of the fingerprint chip (2) is connected with the upper surface of the body part (11) of the flexible circuit board (1) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503719.8U CN220154947U (en) | 2023-06-14 | 2023-06-14 | Side fingerprint module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503719.8U CN220154947U (en) | 2023-06-14 | 2023-06-14 | Side fingerprint module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220154947U true CN220154947U (en) | 2023-12-08 |
Family
ID=89011028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321503719.8U Active CN220154947U (en) | 2023-06-14 | 2023-06-14 | Side fingerprint module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220154947U (en) |
-
2023
- 2023-06-14 CN CN202321503719.8U patent/CN220154947U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |