CN215182049U

CN215182049U - Luminous fingerprint module

Info

Publication number: CN215182049U
Application number: CN202121046930.2U
Authority: CN
Inventors: 蔡晓绪; 谢勇辉
Original assignee: Shenzhen Magic Information Technology Co ltd
Current assignee: Shenzhen Magic Information Technology Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-14
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a luminous fingerprint module relates to fingerprint technical field, including fingerprint sensor, light guide ring and control mainboard, fingerprint sensor is located the top of light guide ring, and the control mainboard is located the below of light guide ring, the integration has a plurality of RGB lamps on the control mainboard, and the colour and the luminance of a plurality of RGB lamps can be carried out the independent control by the mode of control mainboard output PWM ripples, realizes colorful demonstration, the utility model discloses a colour and luminance of every RGB lamp can the independent control, and are not mutually influenced to the light guide ring that realizes luminous fingerprint module can be lighted locally, also can realize horse race lamp display effect, and according to the light guide ring difference, the regional different colours that show are also different to and support complicated colour variation effect, not only beautifully can promote user's experience again and feel.

Description

Luminous fingerprint module

Technical Field

The utility model relates to a fingerprint technology field particularly, relates to a luminous fingerprint module.

Background

At present, have luminous fingerprint module when the light ring is lighted, whole light ring can only show a colour at a certain moment, can not switch into multiple colour moreover, can only light or extinguish whole light ring, and display effect is more single, leads to user experience not high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a luminous fingerprint module can demonstrate multiple light display effect, and both pleasing to the eye experience that can also promote the user feels.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a luminous fingerprint module, includes fingerprint sensor, light guide ring and control mainboard, and fingerprint sensor is located the top of light guide ring, and the control mainboard is located the below of light guide ring, the integration has luminescence unit on the control mainboard, and luminescence unit's colour and luminance can be carried out the independent control by the mode of control mainboard output PWM ripples, realize colorful demonstration.

As an improvement of the technical scheme, the device also comprises a metal ring, and the metal ring is arranged above the fingerprint sensor.

As an improvement of the technical scheme, the control main board can control the light-emitting unit to show three colors, wherein the three colors comprise red, green and blue.

As the improvement of the technical scheme, the light-emitting unit comprises a first-level light-emitting unit, a second-level light-emitting unit, a third-level light-emitting unit and a fourth-level light-emitting unit, the control main board is connected with the first-level light-emitting unit, the second-level light-emitting unit, the third-level light-emitting unit and the fourth-level light-emitting unit, and the first-level light-emitting unit, the second-level light-emitting unit, the third-level light-emitting unit and the fourth-level light-emitting unit are controlled to display light of three colors, so that the multi-color display effect is achieved.

As an improvement of the technical scheme, the first-level light-emitting unit, the second-level light-emitting unit, the third-level light-emitting unit and the fourth-level light-emitting unit are uniformly distributed on the control main board.

As an improvement of the above technical solution, the light guide ring is provided with a plurality of light guide holes uniformly distributed thereon, so that light emitted from the first-level light emitting unit, the second-level light emitting unit, the third-level light emitting unit, and the fourth-level light emitting unit is projected into the light guide ring from the light guide holes.

The utility model has the advantages that: the colour and the luminance of every RGB lamp can the independent control, do not influence each other to realize that the light ring of luminous fingerprint module can light by the part, also can realize horse race lamp display effect, different according to the light ring, the regional different colours that show is also different, and support complicated colour variation effect, not only beautifully but also can promote user's experience and feel.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the assembly of the present invention;

FIG. 2 is a structural exploded view of the present invention;

FIG. 3 is a structural diagram of the control main board of the present invention;

fig. 4 is a schematic circuit diagram of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1-3, the utility model discloses a luminous fingerprint module, including becket 1, fingerprint sensor 2, light guide ring 3 and control mainboard 4, becket 1 install in fingerprint sensor 2's top, fingerprint sensor 2 is located the top of light guide ring 3, and control mainboard 4 is located the below of light guide ring 3, the integration has the luminescence unit on the control mainboard 4, and the colour and the luminance of luminescence unit can be carried out the independent control by the mode of control mainboard 4 output PWM ripples, realize colorful demonstration.

Further, the light emitting unit includes one-level light emitting unit 5, two-level light emitting unit 6, three-level light emitting unit 7 and four-level light emitting unit 8, and control mainboard 4 all is connected with one-level light emitting unit 5, two-level light emitting unit 6, three-level light emitting unit 7 and four-level light emitting unit 8, controls one-level light emitting unit 5, two-level light emitting unit 6, three-level light emitting unit 7 and four-level light emitting unit 8 to show the light of three kinds of colours, realizes the multiple colour display effect. The first-stage light-emitting unit 5, the second-stage light-emitting unit 6, the third-stage light-emitting unit 7 and the fourth-stage light-emitting unit 8 are uniformly distributed on the control main board 4.

In addition, a plurality of light guide holes 9 are uniformly distributed on the light guide ring 3, so that light emitted by the first-stage light emitting unit 5, the second-stage light emitting unit 6, the third-stage light emitting unit 7 and the fourth-stage light emitting unit 8 is projected into the light guide ring 3 from the light guide holes 9.

In the above embodiment, the utility model discloses a one-level luminescence unit 5, second grade luminescence unit 6, tertiary luminescence unit 7 and level four luminescence unit 8's circuit structure is the same, all is equipped with a RGB lamp, and the light of three kinds of colours is shown to four steerable RGB lamps of control mainboard, and four RGB lamps are RGB lamp 11, RGB lamp 12, RGB lamp 13 and RGB lamp 14 respectively.

Referring to fig. 4, the utility model discloses a pin that each RGB lamp was used for controlling red, green, blue three kinds of colours is control pin of main control chip U3 on the connection control mainboard 4 respectively, main control chip U3 is through control pin, utilize the mode of output PWM wave form, can make the RGB lamp show red, green, blue and the appearance colour of intermixing, when this scheme is implemented to concrete embodiment, four RGB lamps can embody different colours alone or do not show the colour at the same moment, can realize multiple colored animation display effect, for example:

the color horse race lamp has the display effect: the RGB lamp 11 displays red → the RGB lamp 12 displays green after the short time delay and turns off the RGB lamp 11 → the RGB lamp 13 displays blue after the short time delay and turns off the RGB lamp 12 → the RGB lamp 14 displays yellow after the short time delay and turns off the RGB lamp 13 → the RGB lamp 11 displays purple after the short time delay and turns off the RGB lamp 14, and the color ticker effect is realized through the process of repeatedly turning on and off the four RGB lamps.

Color alternate flashing alarm effect: the

RGB lamps

11 and 13 are grouped together, the

RGB lamps

12 and 14 are grouped together, and the two groups of lamps alternately illuminate one color and alternately flash.

Breathing lamp display effect of mixed colors: the RGB lamp realizes the color gradual change of red → green → blue through the breathing lamp display effect, and the color gradual change process of the four lamps is asynchronous, so that the breathing lamp effect of mixed colors can be realized.

Through the mode of this kind of independent control RGB lamp, can also realize more pleasing to the eye colored animation display effect to reach the effect that promotes fingerprint module human-computer interaction and experience and better outward appearance.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a luminous fingerprint module, its characterized in that, includes fingerprint sensor, light guide ring and control mainboard, and fingerprint sensor is located the top of light guide ring, and the control mainboard is located the below of light guide ring, the integration has luminescence unit on the control mainboard, and luminescence unit's colour and luminance can be carried out the independent control by the mode of control mainboard output PWM ripples, realize colorful demonstration.

2. The illuminated fingerprint module of claim 1, further comprising a metal ring, wherein the metal ring is mounted above the fingerprint sensor.

3. The light-emitting fingerprint module of claim 1, wherein the control board controls the light-emitting units to display three colors, the three colors including red, green and blue.

4. The dynamic lamplight display control circuit of the luminous fingerprint module as claimed in claim 3, wherein the luminous unit comprises a first-level luminous unit, a second-level luminous unit, a third-level luminous unit and a fourth-level luminous unit, the control main board is connected with the first-level luminous unit, the second-level luminous unit, the third-level luminous unit and the fourth-level luminous unit, and the first-level luminous unit, the second-level luminous unit, the third-level luminous unit and the fourth-level luminous unit are controlled to display lights of three colors, so that multiple display effects are achieved.

5. The light-emitting fingerprint module of claim 4, wherein the first-level light-emitting unit, the second-level light-emitting unit, the third-level light-emitting unit and the fourth-level light-emitting unit are uniformly distributed on the control motherboard.

6. The light-emitting fingerprint module according to claim 5, wherein the light guide ring has a plurality of light guide holes uniformly distributed thereon, such that the light emitted from the first light-emitting unit, the second light-emitting unit, the third light-emitting unit and the fourth light-emitting unit is projected into the light guide ring through the light guide holes.