CN215450186U - Luminous fingerprint module - Google Patents
Luminous fingerprint module Download PDFInfo
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- CN215450186U CN215450186U CN202121867909.9U CN202121867909U CN215450186U CN 215450186 U CN215450186 U CN 215450186U CN 202121867909 U CN202121867909 U CN 202121867909U CN 215450186 U CN215450186 U CN 215450186U
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Abstract
The utility model discloses a luminous fingerprint module, which comprises a flexible circuit board, a fingerprint identification chip electrically connected to one end of the flexible circuit board and a connector positioned at the other end of the flexible circuit board, wherein a metal supporting plate with a containing through hole is connected with the flexible circuit board in an adhesion manner, a point-shaped luminous body is further arranged on the surface of the flexible circuit board, which is opposite to the fingerprint identification chip, a cover plate is attached to the surface of the metal supporting plate, which is opposite to the flexible circuit board, a semi-permeable ink layer is coated on the area of the cover plate, which is positioned right above the through hole of the metal supporting plate, a full-shading ink layer is coated on the periphery of the semi-permeable ink layer, the point-shaped luminous body is positioned in the through hole of the metal supporting plate and is positioned right below the semi-permeable ink layer, and the semi-permeable ink layer is in a strip shape. The utility model not only improves the luminous brightness, but also enables the light to be softer, is convenient for shielding and keeps good visual effect on the basis of not increasing the volume of the fingerprint module.
Description
Technical Field
The utility model relates to a luminous fingerprint module, and belongs to the technical field of biological identification.
Background
With the development of science and technology, the anti-theft consciousness and the personal privacy protection consciousness of people are continuously enhanced, and the fingerprint identification technology is widely applied to various electronic devices by virtue of the security brought by comparing fingerprints with uniqueness. The fingerprint identification technology is applied to smart phones, tablet computers and various electronic products, can bring a good anti-theft function and a personal privacy protection function, is vigorously developed and applied, and becomes a development direction of subsequent similar electronic equipment. The fingerprint identification module is formed by sequentially stacking a cover plate, a fingerprint identification chip, an FPC circuit board and a metal ring coated on the periphery in an encapsulating manner, and the cover plate is positioned on the uppermost layer and directly contacted with a finger.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a luminous fingerprint module, which not only improves the luminous brightness, but also enables the light to be softer, is convenient to shield and keeps good visual effect on the basis of not increasing the volume of the fingerprint module.
In order to solve the technical problems, the utility model adopts the technical scheme that: a luminous fingerprint module comprises a flexible circuit board, a fingerprint identification chip electrically connected to one end of the flexible circuit board and a connector located at the other end of the flexible circuit board, wherein a metal supporting plate with a containing through hole is connected with the flexible circuit board in an adhesive mode, and the fingerprint identification chip is arranged in the containing through hole;
the utility model discloses a fingerprint identification chip, including metal backup pad, point-like luminous body, metal backup pad and fingerprint identification chip are provided with a punctiform luminous body on the surface in opposite directions, the metal backup pad has still opened a through-hole that corresponds with punctiform luminous body, the metal backup pad has covered a apron in the subsides of surface of flexible circuit board mutually, the apron is located the regional coating of passing through the ink layer directly over the through-hole of metal backup pad and has a translucent ink layer, the apron is located translucent ink layer periphery and covers and has a full shading ink layer, the punctiform luminous body is located the through-hole of metal backup pad and is located the translucent ink layer under, the shape on translucent ink layer is the bar.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the size of the through hole on the metal support plate is smaller than the size of the semi-permeable ink layer.
2. In the above scheme, the semi-permeable ink layer and the full-shading ink layer are located on the surface of the cover plate, which is back to the fingerprint identification chip.
3. In the above scheme, the cover plate is connected with the metal support plate in an adhesive manner.
4. In the above scheme, the point-like luminous body is an LED luminous body.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the luminous fingerprint module not only improves the luminous brightness, but also enables the light to be softer, is convenient to shield and keeps good visual effect on the basis of not increasing the volume of the fingerprint module.
Drawings
FIG. 1 is an exploded view of a light-emitting fingerprint module according to the present invention;
FIG. 2 is a schematic diagram of an ink area on a cover plate of the light-emitting fingerprint module according to the present invention.
In the above drawings: 1. a flexible circuit board; 2. a fingerprint identification chip; 3. a connector; 4. a metal support plate; 41. an accommodating through hole; 5. a punctiform luminous body; 6. a through hole; 7. a cover plate; 81. a light-blocking ink zone; 82. a light-transmissive ink region.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a luminous fingerprint module comprises a flexible circuit board 1, a fingerprint identification chip 2 electrically connected to one end of the flexible circuit board 1, and a connector 3 positioned at the other end of the flexible circuit board 1, wherein a metal support plate 4 with a containing through hole 41 is connected with the flexible circuit board 1 in an adhesion manner, and the fingerprint identification chip 2 is arranged in the containing through hole 41;
the surface that flexible circuit board 1 and fingerprint identification chip 2 are in opposite directions still is provided with a punctiform luminophor 5, metal support plate 4 has still opened a through-hole 6 that corresponds with punctiform luminophor 5, metal support plate 4 has covered a apron 7 in the subsides of the surface of flexible circuit board 1 back to on the back, the regional coating of the through-hole 6 that apron 7 is located metal support plate 4 has a translucent ink layer 81, apron 7 is located translucent ink layer 81 peripheral to cover and has a full shading ink layer 82, punctiform luminophor 5 is located in metal support plate 4's through-hole 6 and is located translucent ink layer 81 under, translucent ink layer 81's shape is the bar.
The size of the through hole 6 on the metal support plate 4 is smaller than that of the semi-permeable ink layer 81; the cover plate 7 is adhesively connected to the metal support plate 4.
Example 2: a luminous fingerprint module comprises a flexible circuit board 1, a fingerprint identification chip 2 electrically connected to one end of the flexible circuit board 1, and a connector 3 positioned at the other end of the flexible circuit board 1, wherein a metal support plate 4 with a containing through hole 41 is connected with the flexible circuit board 1 in an adhesion manner, and the fingerprint identification chip 2 is arranged in the containing through hole 41;
the surface that flexible circuit board 1 and fingerprint identification chip 2 are in opposite directions still is provided with a punctiform luminophor 5, metal support plate 4 has still opened a through-hole 6 that corresponds with punctiform luminophor 5, metal support plate 4 has covered a apron 7 in the subsides of the surface of flexible circuit board 1 back to on the back, the regional coating of the through-hole 6 that apron 7 is located metal support plate 4 has a translucent ink layer 81, apron 7 is located translucent ink layer 81 peripheral to cover and has a full shading ink layer 82, punctiform luminophor 5 is located in metal support plate 4's through-hole 6 and is located translucent ink layer 81 under, translucent ink layer 81's shape is the bar.
The semi-permeable ink layer 81 and the full-shading ink layer 82 are positioned on the surface of the cover plate 7 opposite to the fingerprint identification chip 2; the point-like luminous body 5 is LED light.
When adopting above-mentioned luminous fingerprint module, it both has improved luminous luminance on the basis that does not increase fingerprint module volume, can make light softer again, still is convenient for shield, keeps good visual effect.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a luminous fingerprint module which characterized in that: the fingerprint identification device comprises a flexible circuit board (1), a fingerprint identification chip (2) electrically connected to one end of the flexible circuit board (1), and a connector (3) positioned at the other end of the flexible circuit board (1), wherein a metal support plate (4) with an accommodating through hole (41) is bonded with the flexible circuit board (1), and the fingerprint identification chip (2) is arranged in the accommodating through hole (41);
the utility model discloses a fingerprint identification chip, including flexible circuit board (1), metal backup pad (4), metal backup pad (7), cover plate (7), through-hole (6) that flexible circuit board (1) corresponds with punctiform luminous body (5) are still opened to flexible circuit board (1) and the subsides on the surface of metal backup pad (4) back to have a through-hole (6) that correspond, metal backup pad (4) have covered in the subsides on the surface of flexible circuit board (1) mutually, the regional coating has half transparent ink layer (81) directly over through-hole (6) that apron (7) are located metal backup pad (4), apron (7) are located that semi-transparent ink layer (81) periphery covers and have a complete shading ink layer (82), punctiform luminous body (5) are located through-hole (6) of metal backup pad (4) and are located semi-transparent ink layer (81) under, the shape of semi-transparent ink layer (81) is the bar.
2. The light-emitting fingerprint module set of claim 1, wherein: the size of the through hole (6) on the metal support plate (4) is smaller than that of the semi-permeable ink layer (81).
3. The light-emitting fingerprint module set of claim 1, wherein: and the semi-permeable ink layer (81) and the full-shading ink layer (82) are positioned on the surface of the cover plate (7) opposite to the fingerprint identification chip (2).
4. The light-emitting fingerprint module set of claim 1, wherein: the cover plate (7) is connected with the metal support plate (4) in an adhesive manner.
5. The light-emitting fingerprint module set of claim 1, wherein: the point-shaped luminous body (5) is an LED luminous body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121867909.9U CN215450186U (en) | 2021-08-11 | 2021-08-11 | Luminous fingerprint module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121867909.9U CN215450186U (en) | 2021-08-11 | 2021-08-11 | Luminous fingerprint module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215450186U true CN215450186U (en) | 2022-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121867909.9U Active CN215450186U (en) | 2021-08-11 | 2021-08-11 | Luminous fingerprint module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215450186U (en) |
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2021
- 2021-08-11 CN CN202121867909.9U patent/CN215450186U/en active Active
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