CN206472200U - Flash light, camera module and mobile terminal - Google Patents

Abstract

The utility model provides a flashlight, which includes a light source and a light-transmitting element, the light source is used to emit light, and the light-transmitting element is used to pass through the light emitted by the light source, wherein the light-emitting surface and/or the light-transmitting surface of the light source The light-transmitting surface of the optical element is covered with multilayer optical film layers, and the multilayer optical film layers include red and/or blue photoresist material film layers. The utility model also provides a camera module and a mobile terminal. The flash lamp, camera module and mobile terminal of the utility model can make the light emitted by the flash lamp closer to natural light, and improve the imaging effect when the flash lamp is used as auxiliary light in a dark environment.

Description

Flash light, camera module and mobile terminal

technical field

The utility model relates to the technical field of mobile terminals, in particular to a flashlight of a mobile terminal, a camera module and the mobile terminal.

Background technique

At present, mobile terminals such as mobile phones, tablet computers, and cameras have been widely used by people, which greatly facilitates people's lives. Present mobile terminals generally integrate many functions, such as a camera function. In order to be able to take pictures in a dark environment, generally mobile terminals with a camera function are equipped with a flashlight, and the flashlight is turned on in a dark environment to illuminate the subject to assist in taking pictures. However, the light emitted by the current flash light is often different from natural light to a certain extent, resulting in a poor photographic effect when the flash light is turned on, and there will be a certain degree of distortion in the image.

Utility model content

The utility model provides a flashlight, a camera module and a mobile terminal. The flashlight can emit light closer to natural light, improve the imaging effect of photography, and reduce image distortion.

In order to solve the above technical problems, on the one hand, a flashlight is provided, the flashlight includes a light source and a light-transmitting element, the light source is used to emit light, and the light-transmitting element is used to pass through the light emitted by the light source, wherein the The light-emitting surface of the light source and/or the light-transmitting surface of the light-transmitting element are covered with multilayer optical film layers, and the multilayer optical film layers include red and/or blue photoresist material film layers.

In another aspect, a camera module is provided, the camera module includes a camera and a flash, the flash is used to provide auxiliary light for the camera, the flash includes a light source and a light-transmitting element, the light source is used to emit light, the The light-transmitting element is used to transmit the light emitted by the light source, wherein the light-emitting surface of the light source and/or the light-transmitting surface of the light-transmitting element are covered with a multilayer optical film layer, and the multilayer optical film layer includes Layers of red and/or blue photoresist material.

In another aspect, a mobile terminal is provided, the mobile terminal includes a camera module, the camera module includes a camera and a flash, the flash is used to provide auxiliary light for the camera, the flash includes a light source and a light-transmitting element, The light source is used to emit light, and the light-transmitting element is used to transmit the light emitted by the light source, wherein the light-emitting surface of the light source and/or the light-transmitting surface of the light-transmitting element are covered with multi-layer optical films, The multilayer optical film layers include red and/or blue photoresist film layers.

The flash lamp, the camera module and the mobile terminal in the utility model cover the multi-layer optical film including red and/or blue photoresist material film layers on the light-emitting surface of the light source of the flash lamp and/or the light-transmitting surface of the light-transmitting element layer, which can cut off or weaken red light and/or blue light, making the light emitted by the flash closer to natural light and improving imaging performance.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a structural block diagram of a flashlight in an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the structure of the flashlight in the first embodiment.

Fig. 3 is a schematic cross-sectional view of the structure of the flashlight in the second embodiment.

Fig. 4 is a schematic cross-sectional view of the structure of the flashlight in the third embodiment.

Fig. 5 is a schematic cross-sectional view of the structure of the flashlight in the fourth embodiment.

Fig. 6 is a schematic cross-sectional view of the structure of the flashlight in the fifth embodiment.

Fig. 7 is a schematic diagram of the spectrum comparison of the light emitted by the flash before and after covering the multi-layer optical film layer.

FIG. 8 is a structural block diagram of a camera module in an embodiment of the present invention.

FIG. 9 is a structural block diagram of a mobile terminal in an embodiment of the present invention.

FIG. 10 is a schematic diagram of the back of the mobile terminal in 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 in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to FIG. 1 , which is a structural block diagram of a flashlight 1 . The flashlight 1 includes a light source 11 and a light-transmitting element 12 . The light source 11 is used to emit light. The light-transmitting element 12 is used to transmit the light emitted by the light source 11 .

Wherein, the light-emitting surface of the light source 11 and/or the light-transmitting surface of the light-transmitting element 12 are covered with multi-layer optical film layers, and the multi-layer optical film layers include red and/or blue photoresist material film layers for The excessive red and/or blue light components in the light emitted by the light source 11 are cut off or weakened, so that the light emitted by the flash lamp 1 is close to the natural light, that is, the daytime sunlight component, and the photographing and imaging performance is improved. Wherein, the red photoresist material film layer is made of red photoresist material, which has the effect of cutting off or weakening red light, and the blue photoresist material film layer is made of blue photoresist material, which has the effect of cutting off or weakening blue light.

Please refer to FIG. 2 , which is a schematic cross-sectional view of the structure of the flashlight 1 in the first embodiment. As shown in FIG. 1 , the light emitting surface S1 of the light source 11 of the flashlight 1 is covered with a multi-layer optical film M1 including red and/or blue photoresist film layers. Therefore, after the light emitted by the light source 11 passes through the light-emitting surface S1, the red light and/or blue light components are cut off or weakened by the multilayer optical film layer M1, so that the light emitted by the flash lamp 1 is close to natural light components.

Wherein, the light emitting surface S1 of the light source 11 is a surface close to the transparent element 12 . In some embodiments, the light source 11 is an LED lamp, and the light emitting surface S1 of the light source is an outer surface of a lamp tube of the LED lamp.

Please refer to FIG. 3 , which is a schematic cross-sectional view of the structure of the flashlight 1 in the second embodiment. Wherein, the transparent element 12 includes a flash lens 121 . The flash lens 121 includes a light-transmitting surface S2 for passing the light emitted by the light source 11 . Wherein, at least one of the light-transmitting surface S2 of the flash lens 121 and the light-emitting surface S1 of the light source 11 is covered with the multilayer optical film M1 including red and/or blue photoresist film layers.

In the second embodiment, the multilayer optical film layer M1 covers the light-transmitting surface S2 of the flash lens 121 . For example, as shown in FIG. 3 , the flash lens 121 includes two opposite light-transmitting surfaces S2, and the multilayer optical film layer M1 covers the light-transmitting surface S2 of the flash lens 121 close to the light source 11. .

Similarly, when the light emitted by the light source 11 passes through the light-transmitting surface S2 of the flash lens 121, the red light and/or blue light components are cut off or weakened through the multi-layer optical film layer M1 covered on the light-transmitting surface S2. , so that the light emitted by the flash 1 is closer to natural light.

Please refer to FIG. 4 , which is a schematic cross-sectional view of the structure of the flashlight 1 in the third embodiment. Wherein, compared with the second embodiment shown in FIG. 3 , in the third embodiment, except that the light-transmitting surface S2 of the flash lens 121 is covered with the multilayer optical film layer M1, the light source 11 The light emitting surface S1 is also covered with a multi-layer optical film layer M2.

Therefore, the light emitted by the light source 11 passes through the multilayer optical film layer M2 on the light emitting surface S1 of the light source 11 to weaken the red light and/or blue light, and then passes through the multilayer optical film layer on the light transmission surface S2 of the flash lens 121 After layer M1, red light and/or blue light will continue to be attenuated.

Wherein, since the multilayer optical film layer M1 includes the red and/or blue photoresist material film layer, the multilayer optical film layer M2 also includes the red and/or blue photoresist material film layer, therefore, the multilayer optical film layer M1 And the optical group material film layers included in the multilayer optical film layer M2 have many situations according to the arrangement and combination. For example, the multilayer optical film layer M1 covered on the light-transmitting surface S2 of the flash lens 121 is the same as the multilayer optical film layer M2 covered on the light-emitting surface S1 of the light source 11, that is, both include red and blue photoresists. material film layers, or only include red photoresist material film layers. Obviously, the multilayer optical film layer M1 and the multilayer optical film layer M2 may also be different. For example, the multilayer optical film layer M1 covered on the light-transmitting surface S2 of the flash lens 121 may include red and blue photoresist film layers, and the multilayer optical film layer M2 covered on the light-emitting surface S1 of the light source 11 may be Only red or blue photoresist film layers are included. Alternatively, the multilayer optical film layer M1 covered on the light-transmitting surface S2 of the flash lens 121 may include a red photoresist film layer, and the multilayer optical film layer M2 covered on the light-emitting surface S1 of the light source 11 may include a blue photoresist film layer. Color photoresist film layer.

Therefore, as described in the specification and claims of this application: at least one of the light-transmitting surface S2 of the flash lens 121 and the light-emitting surface S1 of the light source 11 is covered with the red and/or blue photoresist material The multilayer optical film layer M1 of the film layer refers to the multilayer optical film layer M1 covered by the light-transmitting surface S2 of the flash lens 121, which may include a red photoresist material film layer, a blue photoresist material film layer, red plus blue Any one of the colored photoresist film layers, the multilayer optical film layer M1 covered by the light-emitting surface S1 of the light source 11 may also include a red photoresist material film layer, a blue photoresist material film layer, and a red plus blue photoresist material film layer. any of the layers.

Please refer to FIG. 5 , which is a schematic cross-sectional view of the structure of the flashlight 1 in the fourth embodiment. Wherein, the transparent element 12 includes a flash lens 121 and a transparent protective plate 122 . The transparent protection plate 122 is used to protect the flash lens 121 . The flash lens 121 includes a light-transmitting surface S2 for passing the light emitted by the light source 11 , and the transparent protective plate 122 includes a light-transmitting surface S3 for passing the light emitted by the light source 11 . At least one of the light-transmitting surface S2 of the flash lens 121, the light-transmitting surface S3 of the transparent protective plate 122, and the light-emitting surface S1 of the light source 11 is covered with the film layer comprising red and/or blue photoresist material. multilayer optical film layers.

For example, as shown in FIG. 5 , in the third embodiment, the multilayer optical film layer M1 may cover the light-transmitting surface S2 of the flash lens 121 , or cover the light-transmitting surface S3 of the transparent protective plate 122 . For example, as shown in FIG. 5 , the flash lens 121 includes two opposite light-transmitting surfaces S2, the transparent protective plate 122 includes two opposite light-transmitting surfaces S3, and the multilayer optical film layer M1 covers the The light-transmitting surface S3 of the transparent protection plate 122 faces the flash lens 121 .

Similarly, when the light emitted by the light source 11 passes through the light-transmitting surface S2 of the flash lens 121, the red light and/or blue light components are cut off or weakened through the multi-layer optical film layer M1 covered on the light-transmitting surface S2. , so that the light emitted by the flash 1 is closer to natural light.

Please refer to FIG. 6 , which is a schematic cross-sectional view of the structure of the flashlight 1 in the fifth embodiment. In the fifth embodiment, the light-transmitting element 12 also includes a flash lens 121 and a transparent protective plate 122. The flash lens 121 includes a light-transmitting surface S2 for passing through the light emitted by the light source 11. The transparent The protective plate 122 includes a light-transmitting surface S3 for transmitting the light emitted by the light source 11 . As shown in FIG. 5 , the light-transmitting surface S2 of the flash lens 121 is covered with a multi-layer optical film layer M1, and the light-transmitting surface S3 of the transparent protective plate 122 is covered with a multi-layer optical film layer M2. The light emitting surface S1 of 11 is covered with a multi-layer optical film layer M3.

Similarly, the multilayer optical film layer M1, the multilayer optical film layer M2 and the multilayer optical film layer M3 may be the same or different, and each may include a red photoresist material film layer, a blue photoresist material film layer, a red photoresist material film layer, and a red photoresist material film layer. Add any one of the blue photoresist film layers.

Thus, in the present utility model, by covering at least one of the light-emitting surface of the light source 11 and the light-transmitting surface of the light-transmitting element 12 with a multilayer optical film layer comprising a red and/or blue photoresist material film layer, the light source 11 can be Excessive red light and/or blue light components in the emitted light are cut off or weakened, so that the light emitted by the flashlight 1 is close to the natural light, that is, the composition of sunlight during the day, and the imaging performance of photographing is improved.

Wherein, the multi-layer optical film covering the light-emitting surface of the light source 11 and/or the light-transmitting surface of the light-transmitting element 12 can be covered on the light-emitting surface of the light source 11 by electroplating, coating or pasting. And/or the light-transmitting surface of the light-transmitting element 12 .

Wherein, the above-mentioned light-transmitting surface S2 of the flash lens 121 and the light-transmitting surface S3 of the transparent protective plate 122 are the light-transmitting surfaces for the light emitted by the light source 11 to pass through to illuminate the target object. For example, the light emitted by the light source 11 can sequentially pass through the light-transmitting surface S2 of the flash lens 121 and the light-transmitting surface S3 of the transparent protective plate 122 to illuminate the object to be photographed, providing auxiliary light (auxiliary light source) for taking pictures.

Please also refer to FIG. 7 , which is a schematic diagram comparing the spectrum of the light emitted by the flash lamp 1 before and after covering the multi-layer optical film layer. Figure 7(a) shows the spectrum of natural light.

As shown in (b) in Figure 7, the light emitted by the existing flashlight 1 that does not cover the above-mentioned multilayer optical film layer has a certain difference compared with natural light, especially the light with a wavelength of 400-550nm (nanometer), which is different from natural light. Natural light makes a noticeable difference.

As shown in (c) in Figure 7, the flashlight 1 in the utility model emits light from the light source 11 by covering the multi-layer optical film layer on the light-emitting surface of the light source 11 and/or the light-transmitting surface of the light-transmitting element 12. After the excessive red light and/or blue light components in the light are cut or weakened, it is roughly similar to natural light. Therefore, the light emitted by the flashlight 1 is closer to natural light, which improves the imaging performance of photographing in a dark environment.

Please also refer to FIG. 8 , which is a structural block diagram of a camera module 100 . The camera module 100 includes the flashlight 1 and the camera 2 described in any of the above-mentioned embodiments. The flash 1 is used to turn on the auxiliary light of the camera 2 in a dark environment.

Please also refer to FIG. 9 , which is a structural block diagram of the mobile terminal 200 . The mobile terminal 200 includes the camera module 100 . Apparently, the mobile terminal 200 also includes other elements, such as a processor, a memory, a display screen, etc., which are not described because they have nothing to do with the improvement of the present invention.

The mobile terminal 200 can be an electronic device with a camera function such as a mobile phone, a tablet computer, and a camera.

Please refer to FIG. 10 , which is a schematic view of the back of the mobile terminal 200 . In some embodiments, the camera 2 and the flash 1 of the camera module 10 are installed on the back shell 300 of the mobile terminal 200 as the rear camera and the rear flash of the mobile terminal 200 . Obviously, in some embodiments, the camera 2 and the flash 1 of the camera module 10 can be installed on the front shell of the mobile terminal 200 as the front camera and the front flash of the mobile terminal 200 .

What is disclosed above is only a preferred embodiment of the utility model, and of course it cannot be used to limit the scope of rights of the utility model. Those of ordinary skill in the art can understand all or part of the process of realizing the above-mentioned embodiments, and according to the utility model The equivalent changes made by the claims still belong to the scope covered by the utility model.

Claims (10)

1. a kind of flash lamp, including light source and translucent element, the light source are used to light, the translucent element is used for through described The light that light source is sent, it is characterised in that covered with multilayer optical on the exiting surface of the light source and/or the transparent surface of translucent element Film layer, the multilayer optical film layer includes red and/or blue light resistance film layer.

2. flash lamp as claimed in claim 1, the translucent element includes flashing lamp lens, the printing opacity of the flashing lamp lens At least one in the exiting surface of face and the light source is covered with described including many of red and/or blue light resistance film layer Layer optical film.

3. flash lamp as claimed in claim 1, it is characterised in that the translucent element includes flashing lamp lens and transparent guarantor In backplate, the exiting surface of the transparent surface of the flashing lamp lens, the transparent surface of the transparent protection plate and the light source extremely Few one includes the multilayer optical film layer of red and/or blue light resistance film layer covered with described.

4. flash lamp as claimed in claim 1, it is characterised in that the multilayer optical film layer can be by way of plating, painting The mode or the mode of stickup covered are covered on the transparent surface of the exiting surface of light source and/or translucent element.

5. flash lamp as claimed in claim 4, it is characterised in that the light source is LED, the exiting surface of the light source is The lamp tube outer surface of LED.

6. flash lamp as claimed in claim 2 or claim 3, it is characterised in that the transparent surface be the light that is sent for light source by with Illuminate the face of destination object.

7. a kind of camera module, it is characterised in that the camera module includes camera and such as any one of claim 1-6 institutes The flash lamp stated, the flash lamp is used to provide auxiliary light for camera.

8. a kind of mobile terminal, it is characterised in that the mobile terminal includes camera module as claimed in claim 7.

9. mobile terminal as claimed in claim 8, it is characterised in that the camera of the camera module is rear camera, Flash lamp is rearmounted flash lamp.

10. mobile terminal as claimed in claim 8, it is characterised in that the camera of the camera module is front camera, Flash lamp is preposition flash lamp.