WO2017202369A1

WO2017202369A1 - Camera shooting apparatus and mobile terminal device having same

Info

Publication number: WO2017202369A1
Application number: PCT/CN2017/085963
Authority: WO
Inventors: 陈俊升; 韦明; 唐明兵
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-05-25
Filing date: 2017-05-25
Publication date: 2017-11-30
Also published as: CN205792902U

Abstract

A camera shooting apparatus and a mobile terminal device having same. The camera shooting apparatus comprises: a camera and flash lamps, wherein there are a plurality of flash lamps, and the plurality of flash lamps are arranged around the camera.

Description

Camera device and mobile terminal device therewith

Technical field

The present disclosure relates to the field of image pickup apparatuses, and relates to, for example, an image pickup apparatus and a mobile terminal apparatus having the same.

Background technique

Terminals, especially mobile terminals, have long been the most popular communication tools, and shooting is one of the essential functions of mobile terminals. The flash can simulate and complement the ambient light in low light conditions to achieve better results at night.

As shown in FIG. 1 and FIG. 2, the flash lamp 1 in the related art is mostly cylindrical or racetrack-shaped, and is basically disposed on one side of the camera 2, since the light flashes on the side of the lens of the camera 2, the shooting process It is easy to cause flashing shadows, and even serious defects such as cornering.

In addition, in the case of short-time exposure, it is difficult to achieve uniform balance of light for the subject, which is disadvantageous for shooting in a dark environment and providing brightness required for the image later, and ultimately resulting in poor image quality in a dark environment.

In view of the problem that the image quality of the camera in the related art is poor in a dark environment, an effective solution has not been proposed yet.

Summary of the invention

The present disclosure provides an image pickup apparatus and a mobile terminal device therewith, which solves the problem that the image quality of the camera in the related art is poor in a dark light environment.

According to an aspect of the present disclosure, there is provided an image pickup apparatus comprising: a camera and a flash, a plurality of flashes, and a plurality of flashes disposed around the camera.

Optionally, the plurality of flashes are at least three.

Optionally, it also includes:

a main board, wherein the camera and the flash are disposed on the main board.

Optionally, the camera device further includes: an annular optical member disposed around the camera, and the plurality of flash lamps are arranged along a circumferential direction of the annular optical member.

Optionally, a plurality of flashes are arranged along a circumference of the camera, and the plurality of flashes are located The center of the circumference of the circumference coincides with the center of the annular optic.

Optionally, the angle between the adjacent two flash lamps and the center of the ring optic is equal.

Optionally, a plurality of flash lamps are respectively located in the orthographic projection of the annular optical member on the main board such that light generated by the flash lamp passes through the annular optical member and is parallel to the axis of the annular optical member.

Optionally, the surface of the annular optic facing away from the flash has a light guiding point arranged in an array.

Optionally, the annular optic has a surface light directing structure on the surface facing the flash.

Optionally, the first light guiding structure is a grain extending in a radial direction of the annular optical member and arranged in an inverted triangle shape along a circumferential direction of the annular optical member.

Optionally, the surface light guiding structure is a Fresnel pattern.

Optionally, the annular optical member includes a plurality of edge light guiding structures extending to an outer side of the side wall, the edge light guiding structure is disposed on a sidewall of the annular optical member, and the flash lamp is disposed at the The edge light guiding structure is away from one end of the side wall.

Optionally, each of the edge light guiding structures extends outwardly in a tangential direction of the annular optic.

Optionally, the upper and lower surfaces of the annular optic each have a light guiding point arranged in an array.

Optionally, the camera device further includes: a camera lens, and the camera lens is disposed opposite to the camera.

According to another aspect of the present disclosure, there is provided a mobile terminal device including an image pickup device which is an image pickup device of the above content.

Optionally, the method further includes: a housing, and the imaging device is disposed on the housing.

The camera device of the technical solution comprises a camera and a plurality of flashes, and a plurality of flash lamps are arranged around the camera, and the light generated by the plurality of flash lamps can be evenly dispersed in a space environment opposite to the camera, thereby achieving uniform balance of light filling and avoiding dark light environment. Flash shadows or corners are produced when taking pictures. The problem that the image quality of the camera in the related art is poor in a dark environment is solved.

BRIEF abstract

1 is a schematic structural view of a camera and a flash on a mobile terminal device of the related art;

2 is a schematic structural diagram of another camera and a flash on a mobile terminal device of the related art;

FIG. 3 is a schematic structural diagram of an image pickup apparatus according to the embodiment; FIG.

4 is a schematic structural view of an image pickup apparatus according to the first embodiment;

FIG. 5 is a schematic exploded view of the image pickup apparatus according to the first embodiment; FIG.

6 is a schematic structural view of an image pickup apparatus according to the second embodiment;

FIG. 7 is a schematic exploded view of an image pickup apparatus according to the second embodiment; FIG.

8 is a schematic view showing an optical path of a flash lamp of the image pickup apparatus according to the second embodiment;

Fig. 9 is a schematic view of a light guiding point on a ring-shaped optical member of the image pickup apparatus according to the second embodiment.

Wherein, the above figures include the following reference numerals:

1, flash; 2, camera; 10, camera; 20, flash; 30, ring optics; 31, first light guide structure; 32, second light guide structure; 33, light guide point; 40, camera lens; , motherboard; 60, housing.

detailed description

The embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the drawings and embodiments.

According to the image pickup apparatus of the present embodiment, as shown in FIG. 3, the camera 10 and the flash 20 are included, and the flash 20 is plural, and a plurality of flashes 20 are disposed around the camera 10.

The camera device of the present technical solution includes a camera 10 and a plurality of flash lamps 20, and a plurality of flash lamps 20 are disposed around the camera 10. The light generated by the plurality of flash lamps 20 can be evenly dispersed in a space environment opposite to the camera 10 to achieve uniform balance of fill light. To avoid flashing shadows or corners when taking pictures in low light conditions. The problem that the image quality of the camera in the related art is poor in a dark environment is solved.

Optionally, as shown in FIG. 3, the plurality of flash lamps 20 are at least three. For example, the three flash lamps 20 are arranged in a circular shape, that is, a plurality of the flash lamps 20 are arranged along a circumferential line around the camera 10, and the adjacent two flash lamps 20 and the center of the circumference line are The angle between the connections is 120°, that is, the three flashes 20 are evenly arranged at equal angles to make the fill light around the camera 10 uniform. The number of flash lamps 20 is considered in consideration of factors such as required brightness effect, motherboard layout area, power consumption, and cost. In addition, the plurality of flash lamps 20 can adopt a plurality of different LED light sources, and the shape, height, brightness, and color temperature of the LEDs can be different.

In order to achieve a better fill light effect, the light emitted by the flash lamp 20 can be more evenly dispersed in the space environment opposite to the camera 10, optionally, as shown in FIGS. 3, 4 and 6, the surround camera 10 An annular optical member 30 is also provided, wherein a plurality of flash lamps 20 are arranged along the circumference of the annular optical member 30, and a plurality of flash lamps 20 may be located directly below the annular optical member 30 or may be located outside the annular optical member 30. Optionally, the plurality of flash lamps 20 are arranged in a circle, and the center of the circumference of the plurality of flash lamps 20 coincides with the center of the annular optical member 30 and between the two adjacent flash lamps 20 and the center of the annular optical member 30 Wiring The angles are equal, so that the balanced fill light is achieved, achieving better shooting in a dark environment.

When the image pickup apparatus of the embodiment is assembled, the flasher 20 is patched on the main board 50, and the camera 10 is also integrally disposed on the main board 50, and the operation of the camera 10 and the flash unit 20 is controlled by the main board 50.

Example 1

As shown in FIGS. 4 and 5, a plurality of flash lamps 20 are respectively located in the orthographic projection of the annular optical member 30 on the main board 50, that is, a plurality of flash lamps 20 are located directly below the main body of the annular optical member 30, so that the flash lamp 20 is generated. The light passes through the annular optic 30 and is parallel to the axis of the annular optic 30.

Wherein the axis refers to a line that passes through the center of the annular optic 30 and is perpendicular to the plane of the upper surface of the annular optic 30. Optionally, the annular optical member 30 has a first light guiding structure 31 on the surface of the flashing lamp 20. As shown in FIG. 3, the annular optical member 30 has a light guiding point 33 arranged in an array away from the surface of the flashing lamp 20, that is, the first The light guiding structure 31 is disposed on the lower surface of the annular optical member 30, and the light guiding points 33 are arranged in an array on the upper surface of the annular optical member 30. Optionally, the first light guiding structure 31 extends in the radial direction of the annular optical member 30. And along the circumferential direction of the annular optical member 30, the "V" shape (i.e., the cross-sectional shape of the inverted triangle), the light generated by the flash lamp 20 is first projected onto the "V" shape of the lower surface of the annular optical member 30. The reflection of the annular optical member 30 is then refracted to the upper surface of the annular optical member 30, so that the light is evenly diffused into the space environment opposite to the camera 10 to achieve the effect of balancing the fill light.

Optionally, the first light guiding structure 31 may also be a Fresnel pattern, and details are not described herein again.

Example 2

As shown in FIG. 6 and FIG. 7, different from the first embodiment, a plurality of flash lamps 20 are located outside the annular optical member 30. Optionally, the side wall of the annular optical member 30 has a plurality of outer sides extending toward the outer side of the side wall. The light guide structure 32 is disposed at the end of the second light guiding structure 32, that is, the flash lamp 20 is located outside the annular optical member 30 and is in the same plane as the annular optical member 30, as shown in FIG. The light enters the annular optical member 30 through the sidewall of the annular optical member 30 through the second light guiding structure 32, and is reflected and refracted by the corresponding surface to be diffused from the upper surface of the annular optical member 30, thereby uniformly diffusing the light to the camera 10 In the space environment, the effect of balancing the fill light is achieved.

Optionally, each of the second light guiding structures 32 extends outward in a tangential direction of the annular optical member 30 such that light emitted by each of the flash lamps 20 enters the annular optical member 30 in a tangential direction of the annular optical member 30 and is reflected and After refraction, it is revealed by the upper surface.

In order to achieve a better light guiding effect, as shown in FIG. 9, the upper surface of the annular optical member 30 of the present embodiment, The lower surface each has a light guiding point 33 arranged in an array, and the light guiding point 33 enables the light emitted from the flash lamp 20 to be more uniformly diffused into the space environment opposite to the camera 10 to achieve the effect of balancing the light filling. The lower surface of the annular optical member 30 (the side close to the main board) may also be provided with a reflective film capable of reflecting light incident on the main board 50 into the annular optical member 30.

As shown in FIG. 7 and FIG. 8, in order to achieve a better shooting effect, a camera lens 40 opposite to the camera 10 is disposed above the camera 10. The diameter of the camera lens 40 is larger than the diameter of the annular optical member 30, and the camera can be mounted. 10 and the annular optical member 30 are completely covered, so that the camera 10 and the annular optical member 30 are well protected, and dust and moisture are prevented from affecting the photographing effect, and the quality of the photograph taken is improved.

Example 3

The embodiment provides a mobile terminal device, which may be a device such as a mobile phone or a tablet computer. The mobile terminal device includes an imaging device, and the imaging device is the imaging device in the above embodiment.

As shown in FIGS. 5, 6, and 7, the mobile terminal device further includes a housing 60 that is mounted on the housing 60 via the main board 50. When the mobile terminal device adopting the camera device photographs in a dark environment, the position of the camera flash 20 is closer to the optimal flash position when photographing, thereby obtaining a more natural and soft fill light effect, providing uniform and sufficient Light, in the case of short-time exposure, achieve even balance of light to the subject, to avoid the occurrence of flash shadows and corner defects, so as to achieve panoramic lighting in the case of insufficient light.

Industrial applicability

The camera device provided by the present disclosure achieves uniform balance of fill light, and avoids flashing shadows or corners when photographing in a dark environment. The problem that the image quality of the camera in the related art is poor in a dark environment is solved.

Claims

A camera device includes: a camera (10) and a flash (20), the flash (20) being a plurality of, and the plurality of flashes (20) are disposed around the camera (10).
The image pickup apparatus according to claim 1, wherein the plurality of the flash lamps (20) are at least three.
The image pickup apparatus according to claim 1, further comprising:

The main board (50), wherein the camera (10) and the flash (20) are disposed on the main board (50).
The image pickup apparatus according to claim 3, further comprising:

An annular optical member (30) disposed around the camera (10), a plurality of the flash lamps (20) being disposed along a circumference of the annular optical member (30).
The image pickup apparatus according to claim 4, wherein a plurality of said flash lamps (20) are arranged along a circumference of said camera (10), and a center of a circumference of said plurality of said flash lamps (20) It coincides with the center of the annular optical member (30).
The image pickup apparatus according to claim 5, wherein an angle formed by a line connecting two adjacent flash lamps (20) and a center of said annular optical member (30) is equal.
The image pickup apparatus according to claim 4, wherein a plurality of said flash lamps (20) are respectively located in an orthographic projection of said ring-shaped optical member (30) on said main board (50) such that said flasher (20) The resulting light, after passing through the annular optic (30), is parallel to the axis of the annular optic (30).
The image pickup apparatus according to claim 7, wherein the surface of the ring-shaped optical member (30) facing away from the flash lamp (20) has light guiding points (33) arranged in an array.
The image pickup apparatus according to claim 7, wherein the annular optical member (30) has a surface light guiding structure (31) on a surface of the flasher (20).
The image pickup apparatus according to claim 9, wherein said surface light guiding structure (31) extends in a radial direction of said annular optical member (30) and is arranged in a circumferential direction of said annular optical member (30) The cross section is an inverted triangle.
The image pickup apparatus according to claim 9, wherein the surface light guiding structure (31) is a Fresnel pattern.
The image pickup apparatus according to claim 4, wherein said annular optical member (30) includes a plurality of edge light guiding structures (32) extending to an outer side of said side walls, said edge light guiding structures being disposed at said On the side wall of the annular optical member (30), the flash lamp (20) is disposed at an end of the edge light guiding structure (32) away from the side wall.
The image pickup apparatus according to claim 12, wherein each of said edge light guiding structures (32) extends outward in a tangential direction of said annular optical member (30).
The image pickup apparatus according to claim 12, wherein the upper surface and the lower surface of the annular optical member (30) each have light guiding points (33) arranged in an array.
The image pickup apparatus according to claim 12, further comprising:

A camera lens (40), the camera lens (40) is disposed opposite the camera (10).
A mobile terminal device comprising an image pickup device, wherein the image pickup device is the image pickup device according to any one of claims 1 to 15.
The mobile terminal device of claim 16, further comprising:

a housing (60), the camera device being disposed on the housing (60).