CN109981848B - Lamp module and terminal equipment - Google Patents
Lamp module and terminal equipment Download PDFInfo
- Publication number
- CN109981848B CN109981848B CN201910242369.6A CN201910242369A CN109981848B CN 109981848 B CN109981848 B CN 109981848B CN 201910242369 A CN201910242369 A CN 201910242369A CN 109981848 B CN109981848 B CN 109981848B
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- Prior art keywords
- light source
- body part
- cover body
- camera
- light
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lamp module and terminal equipment. This lamp module group includes: the lamp comprises a light source and a lampshade, wherein the light source comprises a first light source and a second light source, and the second light source is arranged around the first light source; the lampshade comprises a first lampshade body part and a second lampshade body part, the second lampshade body part is arranged around the first lampshade body part, the first lampshade body part is arranged corresponding to the first light source, and the second lampshade body part is arranged corresponding to the second light source; the first surface of the first cover body facing the first light source is an arc-shaped surface, the arc-shaped surface is an arc-shaped surface with the first surface sunken towards the second surface, and the second surface and the first surface are two surfaces on the first cover body back to back; the thickness of the second cover body part is increased in the direction from the first end of the second cover body part close to the first cover body part to the other end far away from the first cover body part. The lamp module with the structure is applied to the terminal equipment provided with the cameras with different visual angles, so that light supplement can be selectively performed on the cameras with different visual angles during photographing, the light efficiency utilization rate is improved, and the electric quantity of the terminal is saved.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a lamp module and terminal equipment.
Background
With the continuous improvement of the shooting performance of the mobile terminal, more and more users are used to shoot in various scenes. In order to improve the problem of relatively poor imaging quality at night and in a low-light environment, a flash lamp is generally adopted by a mobile terminal so as to flash at the moment of photographing, thereby improving the photographing quality.
At present, a flash lamp system commonly used on a mobile terminal is composed of a flash lamp and a flash lens, and light emitted by the flash lamp is condensed by the flash lens to supplement light for a shooting object. The conventional mobile terminal is provided with a wide-angle lens in order to shoot a larger scene at a short distance and bring better shooting experience to a user besides a conventional visual angle lens. Here, the viewing angle of the conventional viewing angle lens is generally about 76 °, and the viewing angle of the wide-angle lens is generally about 120 °, and due to the difference between the two viewing angles, the light emitted by the flash lamp in the existing flash lamp system passes through the flash lens to form a fixed and non-adjustable illumination angle.
Disclosure of Invention
The embodiment of the invention provides a lamp module and terminal equipment, which are used for solving the problem that the light coverage visual angle is fixed when a flash lamp system is used for photographing in the prior art.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a flash module, including:
the light source comprises a first light source and a second light source, and the second light source is arranged around the first light source;
the lampshade comprises a first lampshade body part and a second lampshade body part, the second lampshade body part is arranged around the first lampshade body part, the first lampshade body part is arranged corresponding to the first light source, and the second lampshade body part is arranged corresponding to the second light source;
a first surface of the first cover body facing the first light source is an arc-shaped surface, the arc-shaped surface is a concave arc-shaped surface of the first surface facing a second surface, and the second surface and the first surface are two surfaces on the first cover body, which are opposite to each other;
the thickness of the second cover body part is gradually increased in the direction from one end of the second cover body part close to the first cover body part to the other end far away from the first cover body part.
In a second aspect, an embodiment of the present invention further provides a terminal device, including:
the lamp module according to the above embodiment;
the body, the lamp module group is fixed in the body.
In the above scheme of the embodiment of the present invention, the first light source, the second light source disposed around the first light source, the first cover portion disposed corresponding to the first light source, and the second cover portion disposed around the first cover portion are disposed corresponding to the second light source, wherein a first surface of the first cover portion facing the first light source is an arc surface, the arc surface is an arc surface in which the first surface is recessed toward the second surface, and the second surface and the first surface are two surfaces opposite to each other on the first cover portion; the one end that second cover body portion is close to first cover body portion is to keeping away from the other end direction of first cover body portion, and the thickness that the second covers the body portion increases gradually, so, the terminal equipment who installs the camera at different visual angles is applied to the lamp module group that will have above-mentioned constitution key element and structure, and light filling when can selectively shooing to the camera at different visual angles improves the light efficiency utilization ratio, saves terminal electric quantity.
Drawings
Fig. 1 is a schematic structural diagram of a lamp module according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a lamp module according to an embodiment of the invention;
fig. 3 is a schematic view of a light source structure in a lamp module according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a lamp cover in a lamp module according to an embodiment of the present invention;
FIG. 5 is a schematic view of a light refraction path of light emitted from a second light source in the lamp module passing through the second cover portion;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1-2 are schematic structural views of a lamp module according to an embodiment of the invention. This lamp module group includes: a light source and a lamp housing, the light source comprising a first light source 1 and a second light source 2, the second light source 2 being arranged around the first light source 1; as shown in fig. 3; the lampshade comprises a first lampshade body part 3 and a second lampshade body part 4, the second lampshade body part 4 is arranged around the first lampshade body part 3, the first lampshade body part 3 is arranged corresponding to the first light source 1, and the second lampshade body part 4 is arranged corresponding to the second light source 2; the first surface of the first cover body part 3 facing the first light source 1 is an arc-shaped surface, the arc-shaped surface is a concave arc-shaped surface of the first surface facing the second surface, and the second surface and the first surface are two surfaces opposite to each other on the first cover body part 3; the thickness of the second cover body portion 4 gradually increases in a direction from one end of the second cover body portion 4 close to the first cover body portion 3 to the other end thereof away from the first cover body portion 3. The thickness of the second cover body portion 4 gradually increases, and may be linearly increased or may be abruptly increased, and the form of the thickness increase is not limited.
It should be noted that, because the first cover body portion 3 is disposed corresponding to the first light source 1, the first surface of the first cover body portion 3 facing the first light source 1 is an arc surface, and the arc surface is an arc surface recessed from the first surface to the second surface, so that a light condensing effect is generated, and thus, light emitted by the first light source 1 is mainly condensed to a target area on one side of the first cover body portion 3 departing from the first light source 1, as shown in fig. 1.
Because the second cover body portion 4 is disposed corresponding to the second light source 2, the thickness of the second cover body portion 4 is increased in the direction from one end of the second cover body portion 4 close to the first cover body portion 3 to the other end far away from the first cover body portion 3, so that after the light emitted by the second light source 2 passes through the air, the light is refracted for the first time by the second cover body portion 4 toward the third surface of the second light source 2, and then refracted for the second time by the fourth surface of the second cover body portion 4 opposite to the third surface, and the light is refracted at a larger angle, that is, the light emitted by the second light source 2 is mainly converged to the peripheral region of the target region on one side of the second cover body portion 4 away from the second light source 2, as shown in fig. 2.
Preferably, as shown in fig. 1 to 2, a third surface of the second cover body portion 4 facing the second light source 2 has a plurality of concentric serrations 5.
Here, each serration 5 may be an annular serration provided around the first cover body portion 3, as shown in fig. 4. But may also be discontinuous curvilinear serrations.
Also, a zigzag groove is formed between adjacent ones of the serrations 5, and the plurality of serrations 5 have the same center.
Specifically, each serration 5 projects laterally away from the center toward the edge near the second cover body portion 4. As shown in fig. 2, the edge side of the second cover body portion is a plane, and the protruding direction of the sawtooth portion may be toward the edge direction, and a fixed angle is not limited.
Here, each serration 5 has an inner side and an outer side outside the inner side, wherein the inner side is closer to the first cover body 3 than the outer side. Namely, the inner side faces to the axis of the circle center, and the outer side faces to the edge of the second cover body part.
Note that the inner side surfaces and the outer side surfaces of the serrations 5 extend in a direction close to the second light source 2 to form projections. The protrusion, i.e., the protrusion described in the side protrusion of each serration 5 away from the center thereof toward the edge closer to the second cover body portion 4.
Here, as shown in fig. 5, a first angle θ 1 between the inner side surface and the vertical surface is larger than a second angle θ 2 between the outer side surface and the vertical surface.
It should be noted that, by adjusting the angles of the first included angle θ 1 and the second included angle θ 2, the incident light angle θ 3 of the second light source 2 can be adjusted, so as to control the outward refraction angle of the light. Here, as θ 1 becomes larger, the incident light angle θ 3 becomes smaller.
In general, θ 1 is in a range of 17 ° to 60 °, and θ 2 is in a range of 15 ° to 30 °.
When only the second light source 2 is turned on, the light emitted from the second light source 2 passes through the second cover body portion 4 to form an annular aperture whose center is dark.
Preferably, the refractive index of the second cover body portion 4 is larger than that of air.
Here, the first cover part 3 and the second cover part 4 are preferably integrally formed, and the material thereof is polymethyl methacrylate, commonly called acrylic.
It should be noted that the refractive index of the acrylic material relative to air is usually 1.4965, and the incident light angle θ 3 and the refracted light angle θ 4 of the light entering the second cover part 4 from the air toward the third surface of the second light source 2 satisfy: sin θ 3/sin θ 4 1.4965; the refractive index of air relative to the acrylic material is generally 1/1.4965, the incident light angle θ 5 and the refracted light angle θ 6 of the light entering the air from the fourth surface of the second cover part 4 opposite to the third surface satisfy: sin θ 5/sin θ 6 is 1/1.4965.
That is to say, when the second light source 2 is lighted, the emitted light passes through the air, and then is refracted for the first time by the second cover body part 4 toward the third surface of the second light source 2, and then is refracted for the second time by the fourth surface of the second cover body part 4 opposite to the third surface, so that the light can be refracted out at a larger angle, thereby covering a larger angle.
Preferably, the lamp module further includes: and a driving circuit (not shown) connected to the first light source 1 and the second light source 2, respectively, for driving the first light source 1 and/or the second light source 2 to light up.
It should be noted that the driving circuit may be separately arranged, that is, the first driving circuit is connected to the first light source 1 and is only used for driving the first light source 1 to light up; the second driving circuit is connected to the second light source 2 and is only used for driving the second light source 2 to light up.
Of course, the driving circuit may also be integrated together, and include two connection terminals, where the first connection terminal is connected to the first light source 1, and the second connection terminal is connected to the second light source 2, so as to drive the first light source 1 and/or the second light source 2 to light up. The driving circuit may be arranged according to actual conditions, and is not particularly limited herein.
Here, the driving circuit is used to control the current magnitude and timing in addition to driving the first light source 1 and/or the second light source 2 on.
According to the flash lamp module provided by the embodiment of the invention, through the first light source, the second light source arranged around the first light source, the first cover body part arranged corresponding to the first light source and the second cover body part arranged around the first cover body part, the second cover body part is arranged corresponding to the second light source, wherein the first surface of the first cover body part facing to the first light source is an arc-shaped surface, the arc-shaped surface is an arc-shaped surface with the first surface sunken towards the second surface, and the second surface and the first surface are two surfaces opposite to each other on the first cover body part; the one end that second cover body portion is close to first cover body portion is to keeping away from the other end direction of first cover body portion, and the thickness that the second covers the body portion increases gradually, so, the terminal equipment who installs the camera at different visual angles is applied to the lamp module group that will have above-mentioned constitution key element and structure, and light filling when can selectively shooing to the camera at different visual angles improves the light efficiency utilization ratio, saves terminal electric quantity.
As shown in fig. 6, an embodiment of the present invention further provides a terminal device, including: the lamp module according to the above embodiment; the body, the lamp module group is fixed in the body.
Preferably, the terminal device further includes:
the camera comprises a first camera and a second camera, wherein the visual angle of the second camera is larger than that of the first camera;
the controller is respectively connected with the lamp module, the first camera and the second camera;
the controller is used for controlling the first light source to light up and supplement light in the shooting process of the first camera;
and in the shooting process of the second camera, controlling the first light source and the second light source to be simultaneously lightened for light supplement.
Specifically, the controller controls the first light source 1 corresponding to the first camera to be turned on when detecting that the first camera is turned on, light emitted by the first light source 1 is converged into a target area on one side of the first cover body 3 away from the first light source 1, and the target area is a first light supplement area covering the visual angle of the first camera;
under the condition that the second camera is detected to be turned on, the first light source 1 and the second light source 2 corresponding to the second camera are controlled to be simultaneously turned on, light emitted by the first light source 1 is converged into a target area on one side, away from the first light source 1, of the first cover body part 3, light emitted by the second light source 2 is converged into a peripheral area of the target area on one side, away from the second light source 2, of the second cover body part 4, and the target area and the peripheral area jointly form a second light supplement area covering the visual angle of the second camera.
When the first camera is detected to be turned on, the first light source 1 corresponding to the first camera is controlled to be turned on by the driving circuit of the lamp module.
When detecting that the second camera is opened, the drive circuit control through the lamp module group lights with first light source 1 and the second light source 2 that the second camera corresponds simultaneously.
Here, with reference to the lamp module shown in fig. 1 to 2, when the first light source 1 is turned on, light emitted from the first light source 1 is condensed by the first cover body 3, so as to form a first light supplement region covering the viewing angle of the first camera.
When the second light source 2 is turned on, light emitted by the second light source 2 passes through the second cover body part 4 to form an annular aperture with a dark center, and the annular aperture is used for covering light supplement areas outside the visual angle of the first camera and inside the visual angle of the second camera.
When the first light source 1 and the second light source 2 are simultaneously turned on to perform photographing light supplement, a second light supplement area covering the view angle of the whole second camera can be formed.
Here, generally, the first camera is a camera having a normal angle of view; the second camera is a camera with a wide angle of view.
It should be noted that, according to the terminal device in the embodiment of the present invention, by using the lamp module in the above embodiment, the first light source and the second light source can be selectively controlled to light up, so that light supplement is selectively performed on cameras with different viewing angles, that is, the first camera and the second camera, during photographing, so that the light efficiency utilization rate can be improved, and the electric quantity of the terminal can be saved.
Optionally, the terminal device further includes:
a circuit board;
the lamp module, the first camera, the second camera and the controller all set up in on the circuit board.
In the terminal device provided by the embodiment of the present invention, through a first light source in a lamp module, a second light source arranged around the first light source, a first cover body part arranged corresponding to the first light source, and a second cover body part arranged around the first cover body part, the second cover body part is arranged corresponding to the second light source, wherein a first surface of the first cover body part facing the first light source is an arc surface, the arc surface is an arc surface in which the first surface is concave towards a second surface, and the second surface and the first surface are two surfaces opposite to each other on the first cover body part; the first end that second cover body portion is close to first cover body portion is to keeping away from first cover body portion on the other end direction, and the thickness of second cover body portion increases for terminal equipment can control first light source and second light source selectively and light, thereby selectively to the camera that has different visual angles, first camera and second camera promptly, the light filling when shooing, so, can improve the light efficiency utilization ratio, save terminal electric quantity.
Claims (7)
1. A lamp module comprises a light source and a lampshade, which is characterized in that,
the light source comprises a first light source and a second light source, and the second light source is arranged around the first light source;
the lampshade comprises a first lampshade body part and a second lampshade body part, the second lampshade body part is arranged around the first lampshade body part, the first lampshade body part is arranged corresponding to the first light source, and the second lampshade body part is arranged corresponding to the second light source;
a first surface of the first cover body facing the first light source is an arc-shaped surface, the arc-shaped surface is a concave arc-shaped surface of the first surface facing a second surface, and the second surface and the first surface are two surfaces on the first cover body, which are opposite to each other;
the thickness of the second cover body part is gradually increased in the direction from one end of the second cover body part close to the first cover body part to the other end far away from the first cover body part;
the second cap portion has a refractive index greater than that of air.
2. The light module of claim 1, wherein a third surface of the second housing portion facing the second light source has a plurality of concentric serrations.
3. The lamp module of claim 2, wherein each of the serrations projects laterally away from a center thereof toward an edge of the second housing portion.
4. The light module of claim 1, further comprising:
and the driving circuit is respectively connected with the first light source and the second light source and is used for driving the first light source and/or the second light source to light.
5. A terminal device, comprising:
the lamp module according to any one of claims 1 to 4;
the body, the lamp module group is fixed in the body.
6. The terminal device according to claim 5, further comprising:
the camera comprises a first camera and a second camera, wherein the visual angle of the second camera is larger than that of the first camera;
the controller is respectively connected with the lamp module, the first camera and the second camera;
the controller is used for controlling the first light source to light up and supplement light in the shooting process of the first camera;
and in the shooting process of the second camera, controlling the first light source and the second light source to be simultaneously lightened for light supplement.
7. The terminal device of claim 6, further comprising:
a circuit board;
the lamp module, the first camera, the second camera and the controller all set up in on the circuit board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242369.6A CN109981848B (en) | 2019-03-28 | 2019-03-28 | Lamp module and terminal equipment |
| PCT/CN2020/077745 WO2020192372A1 (en) | 2019-03-28 | 2020-03-04 | Lamp module and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242369.6A CN109981848B (en) | 2019-03-28 | 2019-03-28 | Lamp module and terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109981848A CN109981848A (en) | 2019-07-05 |
| CN109981848B true CN109981848B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910242369.6A Active CN109981848B (en) | 2019-03-28 | 2019-03-28 | Lamp module and terminal equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN109981848B (en) |
| WO (1) | WO2020192372A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981848B (en) * | 2019-03-28 | 2021-03-09 | 维沃移动通信有限公司 | Lamp module and terminal equipment |
| WO2021232911A1 (en) * | 2020-05-22 | 2021-11-25 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN113993327B (en) * | 2021-11-16 | 2023-09-01 | 维沃移动通信有限公司 | Electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109981848A (en) | 2019-07-05 |
| WO2020192372A1 (en) | 2020-10-01 |
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