CN217470019U

CN217470019U - Fingerprint camera shooting assembly under screen

Info

Publication number: CN217470019U
Application number: CN202221363705.6U
Authority: CN
Inventors: 刘曲波
Original assignee: Shenzhen Huaweino Electronics Co ltd
Current assignee: Shenzhen Huaweino Electronics Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-20
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a fingerprint camera component under screen, the juncture of display area and backlight area is fixed with the light screen, the display area includes the glass cover plate fixed on the outer protective frame, the bottom of the glass cover plate is laid and assembled with the optical cement arranged at the inner side of the light screen, the bottom of the optical cement is laid and assembled with the single transparent film, the bottom of the single transparent film is laid and assembled with the reflecting layer, the diffuse reflection plate is transversely assembled in the reflecting layer, the bottom of the reflecting layer is laid and assembled with the light-emitting plate, the circuit board fixed at the bottom of the inner cavity of the outer protective frame is arranged under the display area, the top of the circuit board is electrically connected and assembled with the camera, the reflecting plate fixed at the bottom of the light screen is fixedly assembled on the outer side wall of the camera, the diffusion layer is fixedly assembled on the inner side wall of the light screen, so as to avoid the light-entering dark area on the camera, the high light transmission of the display area is improved, the fingerprint shooting quality is improved, and the identification accuracy is improved.

Description

Fingerprint camera shooting assembly under screen

Technical Field

The utility model relates to a fingerprint camera module technical field under the screen specifically is a fingerprint camera module under screen.

Background

At present like in mobile terminal such as cell-phone, panel computer, many functions need to carry out unblock or user authentication through the fingerprint, along with technical development, mobile terminal's screen accounts for more and more highly, mobile terminal who carries out fingerprint collection in the region of display screen also appears thereupon, mobile terminal adopts the LCD screen a lot at present, but for the LCD screen, if place the camera in the display area below of display screen can influence normal display effect, and when the light source shines in the display area, probably form the dark space on the camera, cause the leaded light performance poor, this reading accuracy in the fingerprint of influencing the camera, in order to eliminate the illumination dark space, guarantee the leaded light homogeneity of display area simultaneously, for this reason, we provide a finger print camera subassembly under the screen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fingerprint subassembly of making a video recording under screen to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a finger print camera shooting component under a screen comprises an outer protective frame, a backlight area and a display area are arranged in the outer protective frame, a shading plate is fixedly arranged at the junction of the display area and the backlight area, the display area comprises a glass cover plate fixedly arranged on the outer protective frame, the bottom of the glass cover plate is paved with optical cement arranged on the inner side of the shading plate, the bottom of the optical cement is paved with a single-transmission film, the bottom of the single transmission film is paved with a reflecting layer, a diffuse reflection plate is transversely arranged in the reflecting layer, a light emitting plate is paved and assembled at the bottom of the reflecting layer, a circuit board fixed at the bottom of the inner cavity of the outer protective frame is arranged below the display area, the top electric connection of circuit board is equipped with the camera, the fixed reflector panel of being equipped with in the light screen bottom of fixing is established to the cover on the lateral wall of camera, fixed being equipped with the diffusion layer on the inside wall of light screen.

Preferably, the diffuse reflection plate comprises a central reflection circle fixedly assembled in the middle of the inner cavity of the reflection layer, and a first transmission ring, a second reflection ring and a third reflection ring fixedly assembled in the inner cavity of the diffuse reflection plate are sequentially arranged on the outer side of the central reflection circle from inside to outside.

Preferably, the shading plate corresponds to the glass cover plate, and the size of the shading plate is matched with that of the glass cover plate.

Preferably, the central reflection circle, the first emission ring, the second reflection ring and the third reflection ring are uniformly provided with mesh points, and the mesh point density is gradually increased along the radius direction towards the circle center.

Preferably, the diffusion layer comprises light scattering particles arranged on the inner side wall of the shading plate, and the light scattering particles are large particles and small particles which are arranged in a linear arrangement and in a staggered manner along the height direction of the shading plate.

Preferably, the reflector is provided with a mounting hole matched with the camera, and the size of the reflector is matched with that of the shading plate.

Preferably, the top of the reflector and the top of the camera are arranged in a flush manner.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, the display area is distinguished obviously with the backlight, guarantee the light transmission volume when the glass apron on the display area can guarantee support intensity, the one-way light transmissivity of light can be guaranteed through the assembly of optical cement bonding on the glass apron to the single membrane that passes through, can reflect light through the reflection stratum, diffuse reflection board can play the diffuse reflection effect to light simultaneously, diffuse reflection board can make light reflect from top to bottom, then shine away the worn-out fur through the worn-out fur, then when light passes through the worn-out fur, the reflection board can realize the reflection effect to light, reduce the light scattering volume, and the diffusion stratum can carry out the secondary diffuse reflection to the light that the reflection board reflected, the refraction effect of light has been improved, be convenient for the light is guided into the camera through reflection and refraction effect, then accomplish the uptake to the fingerprint, the degree of accuracy is high, simultaneously the light screen can prevent the loss of light, the light incident dark area can be avoided appearing on the camera, the high light transmittance in display area is favorable to improving, the quality of ingesting of fingerprint is improved, and the identification accuracy is improved.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

fig. 3 is a schematic view of the assembly structure of the emitting layer and the diffuse reflection plate of the present invention.

In the figure: 1. an outer protective frame; 2. a backlight area; 3. a display area; 4. a glass cover plate; 5. a visor; 6. a circuit board; 7. a camera; 8. a reflector; 9. optical cement; 10. a single permeable membrane; 11. a reflective layer; 12. a diffuse reflection plate; 121. a central reflection circle; 122. a first reflective ring; 123. a second reflective ring; 124. a third reflective ring; 13. a light emitting plate; 14. a diffusion layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides a fingerprint subassembly of making a video recording under screen, including outer frame 1, be provided with back light area 2 and display area 3 in the outer frame 1 of protecting, the fixed light screen 5 that is equipped with in juncture of display area 3 and back light area 2, display area 3 is including the glass apron 4 of fixed mounting on outer frame 1, the inboard optical cement 9 of setting at light screen 5 is laid to glass apron 4 bottom, optical cement 9 bottom is laid and is equipped with singly pass through membrane 10, singly pass through membrane 10 bottom and lay and be equipped with reflection stratum 11, transversely be equipped with diffuse reflection board 12 in the reflection stratum 11, the bottom of reflection stratum 11 is laid and is equipped with

light outlet plate

13, 3 below in display area is provided with the circuit board 6 of fixing in outer frame 1 inner chamber bottom, the top electric connection of circuit board 6 is equipped with camera 7, fixed cover is equipped with on camera 7's the lateral wall and fixes the dress and is equipped with reflector plate 8 in light screen 5 bottom, fixed the assembly has diffusion layer 14 on light screen 5's the inside wall.

Referring to fig. 3, the diffuse reflection plate 12 includes a central reflection circle 121 fixedly mounted in the middle of the inner cavity of the reflection layer 11, and a first transmission ring 122, a second reflection ring 123 and a third reflection ring 124 fixedly mounted in the inner cavity of the diffuse reflection plate 12 are sequentially disposed from inside to outside the central reflection circle 121;

referring to fig. 1, the light shielding plate 5 corresponds to the glass cover plate 4, and the size of the light shielding plate 5 is matched with that of the glass cover plate 4;

referring to fig. 3, the central reflective circle 121, the first reflective ring 122, the second reflective ring 123 and the third reflective ring 124 are uniformly provided with dots, and the density of the dots is gradually increased along the radial direction toward the center of the circle, so that the light quantity can be increased and the light transmittance of the display area 3 can be improved;

the diffusion layer 14 comprises light scattering particles arranged on the inner side wall of the shading plate 5, and the light scattering particles are large particles and small particles which are arranged in a linear arrangement and staggered mode along the height direction of the shading plate 5, so that the refractive power of light can be increased, and the penetration amount of the light can be improved;

the reflector 8 is provided with a mounting hole matched with the camera 7, and the size of the reflector 8 is matched with that of the light screen 5;

the top of the reflector 8 is flush with the top of the camera 7;

the display area 3 and the backlight area 2 are obviously divided, the glass cover plate 4 on the display area 3 can ensure the supporting strength and the light transmission amount, the single-transmission film 10 is adhered and assembled on the glass cover plate 4 through the optical cement 9 and can ensure the one-way light transmission of light, the light can be reflected through the reflecting layer 11, meanwhile, the diffuse reflection plate 12 can play a diffuse reflection role on the light, the diffuse reflection plate 12 can promote the light to be reflected from top to bottom and then to be irradiated out through the light emitting plate 13, then when the light passes through the light emitting plate 13, the reflecting plate 8 can realize the reflection role on the light and reduce the light scattering amount, and the diffusion layer 14 can carry out the secondary diffuse reflection on the light reflected by the reflecting plate 8, thereby improving the refraction role of the light, facilitating the light to be guided into the camera 7 through the reflection and refraction roles and further completing the shooting of fingerprints, the accuracy is high, and the light shield 5 can prevent the light from being lost, the dark area of going into light can be avoided appearing on the camera 7, is favorable to improving the high light transmissivity of display area 3, improves the quality of ingesting of fingerprint, improves the discernment degree of accuracy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a subassembly of making a video recording of fingerprint under screen, includes outer protective frame (1), be provided with back of the body light district (2) and display area (3) in outer protective frame (1), its characterized in that: the display area (3) and the junction of the backlight area (2) are fixedly provided with a light screen (5), the display area (3) comprises a glass cover plate (4) fixedly assembled on an outer protective frame (1), optical cement (9) arranged on the inner side of the light screen (5) is paved at the bottom of the glass cover plate (4), a single transparent film (10) is paved at the bottom of the optical cement (9), a reflecting layer (11) is paved at the bottom of the single transparent film (10), a diffuse reflection plate (12) is transversely assembled in the reflecting layer (11), a light emitting plate (13) is paved at the bottom of the reflecting layer (11), a circuit board (6) fixed at the bottom of an inner cavity of the outer protective frame (1) is arranged below the display area (3), a camera (7) is assembled at the top electric connection of the circuit board (6), and a reflecting plate (8) fixed at the bottom of the light screen (5) is fixedly sleeved on the outer side wall of the camera (7), and a diffusion layer (14) is fixedly assembled on the inner side wall of the shading plate (5).

2. The assembly of claim 1, wherein: the diffuse reflection plate (12) comprises a central reflection circle (121) fixedly assembled in the middle of the inner cavity of the reflection layer (11), and a first transmission ring (122), a second reflection ring (123) and a third reflection ring (124) fixedly assembled in the inner cavity of the diffuse reflection plate (12) are sequentially arranged on the outer side of the central reflection circle (121) from inside to outside.

3. The assembly of claim 1, wherein: the shading plate (5) corresponds to the glass cover plate (4), and the size of the shading plate (5) is matched with that of the glass cover plate (4).

4. An underscreen fingerprint camera module according to claim 2 further comprising: the central reflection circle (121), the first emission ring (122), the second reflection ring (123) and the third reflection ring (124) are uniformly provided with mesh points, and the mesh point density is gradually increased along the radius direction towards the circle center.

5. The assembly of claim 1, wherein: the diffusion layer (14) comprises light scattering particles arranged on the inner side wall of the shading plate (5), and the light scattering particles are large particles and small particles which are arranged in a linear arrangement mode and are arranged in a staggered mode along the height direction of the shading plate (5).

6. An underscreen fingerprint camera module according to claim 3 further comprising: the reflector (8) is provided with a mounting hole matched with the camera (7), and the size of the reflector (8) is matched with that of the shading plate (5).

7. An underscreen fingerprint camera module according to claim 6 further comprising: the top of the reflector (8) and the top of the camera (7) are arranged in parallel and level.