CN215010472U

CN215010472U - Reflective light supplementing device using mobile phone rear flash lamp

Info

Publication number: CN215010472U
Application number: CN202120507875.6U
Authority: CN
Inventors: 秦晟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-12-03
Anticipated expiration: 2031-03-10

Abstract

The utility model provides an utilize reflective light filling device of rearmounted flash light of cell-phone, included cell-phone protective housing (101) and set up at the back leaded light strip (102) of cell-phone rearmounted flash light (201), the lower extreme of leaded light strip (102) is established below cell-phone rearmounted flash light (201) lower extreme, and the upper end of leaded light strip (102) exceeds cell-phone (201) top. The utility model discloses a reflective light filling device has solved under the dim condition or other condition that need the light filling, leads the light of the rearmounted flash light of cell-phone to the cell-phone openly, for leading the camera light filling of shooing. The device does not need a power supply, and has small volume and strong portability.

Description

Reflective light supplementing device using mobile phone rear flash lamp

Technical Field

The utility model relates to an utilize reflective light filling device of rearmounted flash light of cell-phone belongs to cell-phone accessory field.

Background

With the advancement of science and technology, the functions of mobile phones are more and more abundant, and besides the basic communication function, the photographing function also becomes one of the important functions of the current mobile phones. The existing mobile phone is generally provided with a front camera and a rear camera at the same time, the rear camera is generally provided with a flash lamp, the front camera is mainly used for self-shooting, but the front camera of the current mobile phone on the market is not provided with the flash lamp. In the environment of poor light, the use experience of leading camera is relatively poor.

At present, a small amount of devices for supplementing light to a front camera are arranged on the market, and a light-emitting body is usually arranged in front of a mobile phone, for example, an LED lamp is arranged in front of the mobile phone, so that the purpose of supplementing light is achieved. However, this method requires a self-contained power source, such as a battery or a wireless charging coil, so that it occupies a large volume, has a heavy weight, and has a high production cost and certain limitations.

Disclosure of Invention

The utility model aims at:

aiming at the defects of the prior art, the invention provides the reflective light supplementing device utilizing the rear flash lamp of the mobile phone, and solves the problem that the light of the rear flash lamp of the mobile phone is led to the front side of the mobile phone to supplement light for the front camera to take a picture by utilizing the principles of light reflection and total reflection under the dim condition or other conditions needing light supplementation. The device does not need a power supply, and has small volume and strong portability.

The purpose of the utility model can be realized by the following technical scheme:

a reflective light supplementing device utilizing a mobile phone rear flash lamp comprises a mobile phone protective shell, wherein the back of the mobile phone protective shell comprises a light guide strip arranged behind the mobile phone rear flash lamp, the lower end of the light guide strip is arranged below the lower end of the mobile phone rear flash lamp, the upper end of the light guide strip exceeds the top end of the mobile phone, the light guide strip is in a linear shape, a curve shape or an irregular shape, when the light guide strip is in a linear shape, the upper end and the lower end of the light guide strip are respectively provided with a light guide strip extension section, the light guide strip extension sections are right-angled triangular platforms, the inclined angle of the inclined planes of the right-angled triangular platforms is 30-60 degrees, the inclined planes face to the lateral rear side of the light guide strip, one face of two mutually vertical faces to the front side of the mobile phone, and the other face is vertically connected with the light guide strip; when the shape of the light guide strip is a curve shape or an irregular shape, the upper end face and the lower end face of the light guide strip face to the front of the mobile phone.

The light guide strip and the light guide strip extension section are made of light-transmitting materials with optically denser media wrapped by optically thinner media, and the optically thinner media include but are not limited to air. That is, the light guide strip can be made of only the light-transmitting material of the optically dense medium, and a light-transmitting material with a high refractive index, such as an optical fiber, is usually used. According to the principle of the optical fiber, light can generate total reflection in an optically dense medium, and the loss is small.

The cross section of the light guide strip is rectangular, circular or elliptical.

The light guide strip is characterized in that reflectors or light reflecting coatings are additionally arranged on the inclined planes of the right-angle triangular platforms of the extension sections of the light guide strips at the upper end and the lower end, and the light reflecting surfaces of the reflectors face the front of the mobile phone. When the refractive index of the material of the light guide strip is low, and the reflectivity of the light from the flash lamp on the upper inclined plane and the lower inclined plane is insufficient, according to the structure and the angle of the light guide strip, the efficiency can be improved by utilizing a plurality of reflectors, the reflectors or the reflecting layers can be additionally arranged on the upper inclined plane and the lower inclined plane, and the reflecting surfaces are all arranged inside the optically dense medium and used for reflecting the light more efficiently.

The upper end light-emitting side of the light guide strip is provided with a soft light plate or a frosted surface. The frosted surface refers to that the frosted surface is directly made on the light-emitting end of the light guide strip, namely the surface of the upper end face of the light guide strip facing the front of the mobile phone. Making the light extraction softer.

The light guide strip can be arranged on the mobile phone protective shell in a magnetic adsorption mode, a track installation mode, a rotating shaft setting mode or a sticking mode.

The beneficial effects of the utility model reside in that:

the utility model discloses an utilize reflective light filling device of rearmounted flash light of cell-phone need not be from taking the power, small, light in weight conveniently carries. Simple structure, low cost, and can be used in any mobile phone with a rear flash lamp. And this device can also adjust luminance through the setting of the volume of the light and the soft board of adjustment entering leaded light strip, satisfies the demand under the different situation. This device integration not only can be with leading light filling on the cell-phone shell, can also act as cell phone stand.

Drawings

Fig. 1 is one of the overall structural diagrams of the present invention.

Fig. 2 is a second schematic view of the overall structure of the present invention.

Fig. 3 is a third schematic view of the overall structure of the present invention.

Fig. 4 is a schematic view of a partial structure of the present invention.

Fig. 5 is a second partial schematic view of the present invention.

Wherein:

101. a mobile phone protection shell; 102. a light guide strip; 103. a light guide strip extension section; 104. a light softening plate; 201. the mobile phone is provided with a flash lamp at the back.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

As shown in fig. 1, the utility model provides an utilize reflective light filling device of cell-phone rear flash light, it includes that a set up the light guide strip 102 behind cell-phone rear flash light 201 to have included the back of cell-phone protective housing 101, the lower extreme of light guide strip 102 is established below cell-phone rear flash light 201 lower extreme, the upper end of light guide strip 102 surpasss cell-phone 201 top, the shape of light guide strip 102 is sharp, curvilinear figure or irregular shape, when the shape of light guide strip 102 is sharp, the upper and lower both ends of light guide strip 102 respectively set up a light guide strip extension section 103, light guide strip extension section 103 is right angled triangle platform, the inclined plane inclination of right angled triangle platform is 30-60 degrees, this inclined plane faces the side rear of light guide strip 102, the mutually perpendicular two sides of right angled triangle platform is towards the cell-phone the place ahead, the another side meets with light guide strip 102 is perpendicular; when the shape of the light guide bar 102 is a curved shape or an irregular shape, the upper and lower end surfaces of the light guide bar 102 face the front of the mobile phone.

The structure of the light guide strip 102 and the light guide strip extension 103 is a light-transmitting material with an optically denser medium surrounded by an optically thinner medium, including but not limited to air. That is, the light guide strip can be made of only the light-transmitting material of the optically dense medium, and a light-transmitting material with a high refractive index, such as an optical fiber, is usually used.

The right-angle triangular platform inclined plane of the light guide strip extension sections 103 at the upper end and the lower end is additionally provided with a reflector or a light reflecting coating, and the light reflecting surfaces of the reflector or the light reflecting coating face to the front of the mobile phone. When the refractive index of the material of the light guide strip 102 is low and the reflectivity of the light from the flash lamp on the upper and lower inclined surfaces is not enough, a plurality of reflectors can be used to increase the efficiency according to the structure and angle of the light guide strip 102, reflectors or reflective layers can be additionally arranged on the upper and lower inclined surfaces, and the reflective surfaces are all arranged inside the optically dense medium and used for reflecting the light more efficiently.

As shown in fig. 3, the light guide bar 102 is a curved light guide bar or an irregular light guide bar, and the cross section of the light guide bar 102 is rectangular, circular or elliptical.

As shown in fig. 4, a light diffusing plate 104 or a frosted surface is disposed on the light exit side of the upper end of the light guide bar 102. The frosted surface refers to that the frosted surface is directly made on the light-emitting end of the light guide strip, namely the surface of the upper end face of the light guide strip facing the front of the mobile phone. Making the light extraction softer.

The light guide bar 102 may be disposed on the mobile phone protection case 101 in a magnetic force absorption manner, a track mounting manner, a rotating shaft mounting manner, or a sticking manner.

During the use, can open the flash light earlier, then autodyne, can also adjust luminance through the volume of the light that gets into light guide bar 102, satisfy the demand under the different situation, can increase luminance in order to reach the best effect when shooing like. And when the video calls, the brightness is reduced, so that the mobile phone can be used for a long time without dazzling.

Example 1:

as shown in fig. 1, the light guide bar 102 is a linear light guide bar, the cross section of the light guide bar 102 is rectangular, the light guide bar extension section 103 and the light guide bar 102 are integrally manufactured, and the inclined plane of the right-angled triangle platform of the light guide bar extension section 103 has an inclination angle of 50 degrees.

Example 2:

as shown in fig. 2, the light guide bar 102 is a linear light guide bar, the cross section of the light guide bar 102 is rectangular, the light guide bar extension section 103 and the light guide bar 102 are integrally manufactured, and the inclined plane of the right-angled triangle platform of the light guide bar extension section 103 has an inclination angle of 50 degrees. The upper light-emitting side of the light guide bar 102 is provided with a light softening plate 104.

Example 3:

as shown in fig. 3, the light guide bar 102 is a curved light guide bar, the cross section of the light guide bar 102 is circular, and a light diffuser plate 104 is disposed on the light exit side of the upper end of the light guide bar 102.

Example 4:

as shown in fig. 5, fig. 5 only illustrates a partial structure of the device, that is, the structure of the light guide bar 102, the overall structure of the present embodiment further includes a mobile phone protective case 101, the light guide bar 102 is disposed behind the mobile phone rear flash 201, the lower end of the light guide bar is disposed below the lower end of the mobile phone rear flash 201, and the upper end of the light guide bar exceeds the top end of the mobile phone 201. As shown in fig. 5, the light guide bar 102 in this embodiment is a linear light guide bar, the cross section of the light guide bar 102 is circular, two light guide bar extension sections 103 are respectively disposed at the upper end and the lower end of the light guide bar, the light guide bar extension sections 103 are right-angled triangular platforms, and the inclined plane of the right-angled triangular platforms has an inclination angle of 45 degrees.

Although the invention has been described and illustrated herein with reference to a particular arrangement or configurations, it is not intended to be limited to the details shown, since various modifications and structural changes may be made therein without departing from the spirit of the invention.

The utility model relates to a part all is the same with prior art or can adopt prior art to realize.

Claims

1. A reflective light supplement device using a mobile phone rear flash lamp comprises a mobile phone protective shell (101), and is characterized in that the back of the mobile phone protective shell (101) comprises a light guide strip (102) arranged behind the mobile phone rear flash lamp (201), the lower end of the light guide strip (102) is arranged below the lower end of the mobile phone rear flash lamp (201), the upper end of the light guide strip (102) exceeds the top end of the mobile phone protective shell (101), the shape of the light guide strip (102) is linear or curved, when the shape of the light guide strip (102) is linear, the upper end and the lower end of the light guide strip (102) are respectively provided with a light guide strip extension section (103), the light guide strip extension section (103) is a right-angled triangular platform, the inclined angle of the right-angled triangular platform is 30-60 degrees, the inclined plane faces the lateral rear side of the light guide strip (102), and two mutually perpendicular surfaces of the right-angled triangular platform face the front side of the mobile phone, the other side is vertically connected with the light guide strip (102); when the shape of the light guide bar (102) is a curve shape, the upper end face and the lower end face of the light guide bar (102) face the front of the mobile phone.

2. The device as claimed in claim 1, wherein the light guide strip (102) and the light guide strip extension (103) are made of a transparent material with a light-permeable medium wrapped by a light-thinner medium.

3. The device as claimed in claim 2, wherein the optically thinner medium includes but is not limited to air.

4. The device as claimed in claim 1, wherein the cross-section of the light guide bar (102) is rectangular, circular or elliptical.

5. The device as claimed in claim 1, wherein when the light guide bar (102) is linear, a reflective mirror or a reflective coating is disposed on the inclined plane of the right-angled triangle of the extension section (103) of the light guide bar at the upper and lower ends, and the reflective surface faces the front of the mobile phone.

6. The device as claimed in claim 1, wherein a light-diffusing plate (104) or a frosted surface is disposed on the light-emitting side of the light-guiding strip (102).

7. The device as claimed in claim 1, wherein the light guide bar (102) is disposed on the protective case (101) by magnetic attraction, installation of a track, installation of a rotating shaft, or adhesion.