CN216930115U - Light filling device and electronic equipment's protective housing - Google Patents

Abstract

The application relates to a light supplementing device and a protective shell of an electronic device, wherein the light supplementing device comprises a shell, a first reflecting part and a second reflecting part, and the shell is provided with a light inlet hole and a light outlet hole; the first reflection part is positioned in the shell, is close to the light inlet hole and is provided with a first reflection surface, the first reflection surface is a mirror surface, and at least part of the first reflection surface is obliquely arranged relative to the axis of the light inlet hole; the second reflection part is positioned in the shell and close to the light outlet hole, and is provided with a second reflection surface which is a mirror surface. Light shines first plane of reflection with specular reflection can take place for the second plane of reflection, can reduce the loss of light, at least part first plane of reflection slope sets up and can reduces light and be in reflection number of times in the casing has shortened the transmission path of light, promotes the transmission efficiency of light, reduces the loss of light, has promoted the light filling intensity of light filling device.

Description

Light filling device and electronic equipment's protective housing

Technical Field

The application relates to the technical field of electronic equipment, in particular to a light supplementing device and a protective shell of electronic equipment.

Background

In order to meet the requirement of a consumer on light supplement during self-shooting of dim light, the light supplement device mounted on the shell of the mobile device can be equipped in the mobile device, the light supplement device utilizes a flash lamp as a light source, light is guided through a light guide structure, and the light supplement self-shooting is completed. However, in the current market, the light-supplementing device using the flash lamp as the light source has large light intensity loss, so that the light-supplementing intensity of the light-supplementing device is low, and the light supplementing and self-photographing effects of consumers are affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a light filling device and electronic equipment's protective housing, can reduce the loss of light, improves the light filling intensity of light filling device.

A first aspect of an embodiment of the present application provides a light supplement device, where the light supplement device includes a housing, a first reflection portion, and a second reflection portion, where the housing is provided with a light inlet hole and a light outlet hole; the first reflection part is positioned in the shell and close to the light inlet hole, and is provided with a first reflection surface, the first reflection surface is a mirror surface, and at least part of the first reflection surface is obliquely arranged relative to the axis of the light inlet hole; the second reflection part is positioned in the shell and close to the light outlet hole, and is provided with a second reflection surface which is a mirror surface. The first reflecting surface and the second reflecting surface are mirror surfaces, light irradiates the first reflecting surface and the second reflecting surface, the mirror surface reflection can occur, the loss of the reflected light is small, the light intensity emitted from the light emitting hole can be increased, and the light supplementing effect of the light supplementing device is improved. At least part first plane of reflection for the axis direction slope setting of light entrance hole can reduce light and be in the reflection number of times in the casing has shortened the transmission path of light, has promoted light effectively and has followed first reflection part reaches the transmission efficiency of second reflection part, reduces to follow first reflection part shines the loss of the light of second reflection part, the increase is followed the light intensity that the light exit hole jetted out has promoted light filling device's light filling intensity.

In this application embodiment, the acute angle between at least part of the first reflecting surface and the axis of the light inlet is a first included angle α, so that the light is totally reflected by the first reflecting surface, thereby reducing the light loss caused by refraction of the first reflecting surface, and irradiating the light to the first reflecting surface to be totally reflected, and the light is totally reflected by the first reflecting surface, so that the light is not lost even after multiple reflections, and the light supplement intensity of the light supplement device is improved.

In this application embodiment, first contained angle alpha satisfies 40 ≦ alpha ≦ 50 to make through the light that first plane of reflection reflects shines along vertical direction the second plane of reflection, reduces the reflection light relative to the slope of vertical direction, reduces reflection light and is in reflection number of times in the casing promotes light and is in first plane of reflection with transmission efficiency between the second plane of reflection improves light filling device's light filling intensity.

In this application embodiment, the second plane of reflection includes the inclined plane, just the inclined plane with acute angle between the axis of light inlet is second contained angle beta, so that light is in the total reflection takes place for the second plane of reflection, thereby has reduced light and has been in the light loss that the second plane of reflection caused because of the refraction will shine extremely the light total reflection of second plane of reflection, and light takes place the total reflection at the second plane of reflection for light can not lose through multiple reflection yet, improves the light filling intensity of light filling device.

In the embodiment of the present application, the second included angle β satisfies 40 ° ≦ β ≦ 50 °. The light reflected by the second reflecting surface can be emitted from the light emitting hole along the horizontal direction, so that the light is not shielded by the shell, the loss of the light is reduced, the light supplementing effect of the light supplementing device is realized, and the light supplementing intensity is enhanced.

In the embodiment of the present application, the first reflection surface includes a plurality of inclined surfaces, and at least some of the inclined surfaces have different included angles with the axis of the light entrance hole. The first reflecting part comprises a structure with a plurality of inclined planes, and the thickness of the first reflecting part, the thickness of the light supplementing device and the volume of the light supplementing device can be reduced when the first reflecting surface bears the same light reflection range; the thickness of the first reflection part is the same, compared with the first reflection part comprising a single inclined surface, the range of incident light which can be received by the first reflection surface is larger, the light emitted from the first reflection surface to the second reflection surface can be increased, and the light intensity emitted from the light emitting hole is improved.

In this embodiment of the application, the first reflecting surface includes a plurality of inclined surfaces arranged at intervals, and adjacent inclined surfaces are connected by a horizontal surface or a vertical surface, and the inclined surfaces are parallel. The first reflection part comprises a plurality of structures of the inclined planes and the horizontal planes or the vertical planes which are arranged at intervals, and the thickness of the first reflection part, the thickness of the light supplementing device and the volume of the light supplementing device can be reduced when the first reflection surface bears the same light reflection range; the thickness of the first reflection part is the same, compared with the first reflection part comprising a single inclined surface, the range of incident light which can be received by the first reflection surface is larger, the light emitted from the first reflection surface to the second reflection surface can be increased, and the light intensity emitted from the light emitting hole is improved.

In this embodiment, the second reflecting surface includes a plurality of inclined surfaces, and at least some of the inclined surfaces have different included angles with the axis of the light inlet hole. The second reflecting part comprises a structure with a plurality of inclined surfaces, so that the height of the second reflecting part in the vertical direction can be increased without changing the incident angle of the light irradiating the second reflecting surface in the vertical direction when the light irradiating range received by the second reflecting surface is received, and the range of the light reflected by the second reflecting part emitting from the light emitting hole is increased; the thickness of second reflection part is the same, including a plurality of the inclined plane the second reflection part with including singly the inclined plane the second reflection part is compared, the scope of the light that the second plane of reflection reflects is bigger, can increase and follow the scope of the light that the light-emitting hole jetted out promotes the light filling device's light-emitting homogeneity.

In this embodiment of the application, the second reflecting surface includes a plurality of inclined surfaces arranged at intervals, and adjacent inclined surfaces are connected by a horizontal surface or a vertical surface, and each inclined surface is parallel. The second reflecting part comprises a plurality of structures of the inclined planes and the horizontal plane or the vertical plane which are arranged at intervals, so that when the first reflecting surface bears the same light ray reflecting range, the height of the second reflecting part in the vertical direction is increased, but the incident angle of the second reflecting part irradiated to the second reflecting surface along the vertical direction is not changed, and the light ray reflected by the second reflecting part is enlarged from the light outlet; the thickness of second reflection part is the same, including a plurality of the inclined plane the second reflection part with including singly the inclined plane the second reflection part is compared, the scope of the light that the second plane of reflection reflects is bigger, can increase and follow the scope of the light that the light-emitting hole jetted out promotes the light filling device's light-emitting homogeneity.

In an embodiment of the present application, the second reflective surface includes an arc surface recessed into the housing. The light reflected to the different positions of cambered surface is different in reflection angle, so that the reflected light reflected by the cambered surface can be scattered along different directions, the light can be uniformly scattered to the light outlet hole, the range of the light outlet hole is wider due to the fact that the light reflected by the second reflecting surface 31 covers, the phenomenon that light is concentrated to form light spots to cause over-exposure and cannot be clearly imaged is avoided, and the uniformity of the light emitted by the light supplementing device is improved.

In an embodiment of the application, the light supplement device further includes a light guide part, the light guide part is filled in the housing, and the first reflection part and the second reflection part are disposed on the light guide part. The light guide part can be used for conducting a line light source, the transmission efficiency of light is improved, the part of the light guide part, which is in contact with the bottom wall of the shell, is the first reflection surface, the part of the light guide part, which is in contact with the top wall of the shell, is the second reflection surface, the first reflection surface and the second reflection surface are positioned at two ends of the light guide part along the vertical direction, two ends of the light guide part are made into any shape according to the structures of the first reflection surface and the second reflection surface, and the first reflection surface and the second reflection surface are arranged on the light guide part, so that the stability of the light supplementing device can be improved, the first reflection part and the second reflection part are not easy to displace in the shell, the risk of displacement of reflected light is reduced, and the transmission efficiency of light is improved.

In this embodiment, the light guide part is one of a plastic column, an organic glass column, a light homogenizing sheet and a light guide sheet. When the light guide part is one of a plastic column, an organic glass column and a light homogenizing sheet, the light guide part has the advantages of more uniform light guide, low cost, long service life and the like.

In an embodiment of the present application, the light supplement device includes a light-transmitting portion covering the light exit hole. Light warp can shine after the second plane of reflection cover in the light-emitting hole the printing opacity portion, the warp the printing opacity portion jets out, the effect of light can be improved to the printing opacity portion, if increase light intensity, even light, effect such as soft light to be applicable to different service environment, improve light filling device's application scope satisfies different users' user demand.

In the embodiment of the present application, the light-transmitting portion is one or more of a light uniformizing sheet, a light intensifying sheet, a light softening sheet, and a light guiding sheet. The light-emitting plate can uniformly diffuse the point light source, the uniformity of light is improved, the brightness of light emission is increased by the light-intensifying plate, the light-emitting area of the light source can be increased by the soft light plate, the hardness of the light is weakened, the light is softer, the light-guiding plate can conduct a line light source, the transmission efficiency of the light is improved, the light-transmitting part can be one of the light-emitting plate, the light-intensifying plate, the soft light plate and the light-guiding plate according to the use requirements, the combination of various membranes can be adopted, the use effect is better, and the use requirements of different users are met.

In the embodiment of the present application, the first reflective portion is one of a reflective material layer, a reflective film and a lens; the second reflection part is one of a reflection material layer, a reflection film and a lens. The structure can enable the first reflection part and the second reflection part to be connected with the light guide part more stably, so that the first reflection part and the second reflection part are not easy to fall off from the light guide part, the structural stability of the light supplementing device is improved, the manufacturing process is simple, the cost is low, mass production can be realized, and the production cost of the light supplementing device is reduced.

In the embodiment of the application, the inner wall of the shell is provided with the reflective layer. The inner wall of casing is equipped with the reflector layer and can avoids light to be in carry out the diffuse reflection in the casing, reduces the reflection loss of light, promotes the transmission efficiency of light.

In this embodiment, the light supplementing device includes a light shield installed outside the housing, and the light shield surrounds the light inlet hole and protrudes from the housing. The lens hood can be laminated with the edge of a light-emitting device (such as electronic equipment), light rays blocking a light source enter the light inlet hole, the light supplementing device leaks, loss of the light source is reduced, the utilization rate of the light source is improved, more light rays can enter the light supplementing device, and the light intensity of the light supplementing device is improved.

A second aspect of the embodiments of the present application provides a protective case of an electronic device, where the protective case includes the light supplement device according to any one of the above embodiments. The protective shell can be used for any equipment with a photographing function, such as a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), a notebook computer, a vehicle-mounted computer, a display device, a wearable device and the like. The embodiment of the present application does not specifically limit the specific form of the electronic device. For convenience of description, an electronic device is taken as an example of a mobile phone, the protective case can be a protective case of the mobile phone, when the mobile phone is used, the protective case is sleeved outside a rear cover of the mobile phone, the light supplement device is installed on the protective case, the light inlet of the light supplement device is aligned with a flash lamp of the mobile phone, and the flash lamp is a light source of the light supplement device, so that light of the flash lamp is improved in light intensity and uniformity under the action of the light supplement device, and a self-photographing requirement of a user is met.

In this embodiment, the light supplement device is rotatably connected or slidably connected to the protective shell. When a user needs to supplement light during self-photographing, the light supplementing device is rotated or slid to enable a part of the light supplementing device to extend out of the protective shell, and the flash lamp is opposite to the light inlet hole, so that when the user takes a photo, light of the flash lamp can enter the light supplementing device through the light inlet hole and then is emitted out through the light outlet hole of the light supplementing device, and the light supplementing effect is achieved; when need not the light filling, rotate or slide the light filling device makes the light filling device retracts to the protective housing can reduce the occupation space of light filling device reduces the volume of protective housing prevents the light filling device suffers the damage, promotes the life of light filling device, convenience of customers' daily use.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Fig. 1 is a schematic structural diagram of a light supplement device according to an embodiment of the present disclosure;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a light path diagram of the embodiment of FIG. 3;

fig. 5 is a cross-sectional view of a light supplement device provided in the present application in another embodiment;

FIG. 6 is a light path diagram of the embodiment of FIG. 5;

fig. 7 is a cross-sectional view of a light supplement device provided in the present application in another embodiment;

FIG. 8 is a cross-sectional view of a light supplement device provided herein in an alternative embodiment, showing light paths;

FIG. 9 is a cross-sectional view of a light supplement device provided herein in an alternative embodiment, showing light paths;

fig. 10 is a schematic structural view of a protective case provided herein in one embodiment.

Reference numerals:

1-a shell;

11-light inlet holes;

12-a light-emitting hole;

2-a first reflective portion;

21-a first reflective surface;

3-a second reflective portion;

31-a second reflective surface;

4-a light guide part;

5-a light-transmitting part;

6-a light shield;

7-inclined plane;

8-horizontal plane;

9-cambered surface;

10-a light supplement device;

20-protective shell;

x-horizontal direction;

y-vertical direction.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

In one embodiment, the present application is described in further detail below with reference to specific embodiments and accompanying drawings.

In the prior art, the light supplementing device adopts a flat-top design, that is, the reflecting surface is a plane, the light entering through the light inlet hole can irradiate the inner wall of the shell of the light supplementing device through the reflected light reflected by the reflecting surface, and can be emitted from the light outlet hole after being reflected for multiple times in the shell, so that the transmission efficiency is low, and the light is greatly lost in multiple reflections. And the performance of the reflecting surface is poor, and light is diffused when the light irradiates the reflecting surface, so that light loss is caused, and therefore, the light supplementing intensity of the light supplementing device is low.

In order to solve the technical problem, an embodiment of the present application provides a light supplement device 10, as shown in fig. 1 to 3, where the light supplement device 10 includes a housing 1, a first reflection part 2, and a second reflection part 3, the housing 1 is provided with a light inlet hole 11 and a light outlet hole 12, and external light can be irradiated into the housing 1 from the light inlet hole 11 along an axial direction of the light inlet hole 11; first reflection part 2 with second reflection part 3 all is located in casing 1, first reflection part 2 with second reflection part 3 compares and is closer to advance unthreaded hole 11, keep away from light-emitting hole 12, second reflection part 3 with first reflection part 2 compares and is closer to light-emitting hole 12, keeps away from advance unthreaded hole 11. The first reflection part 2 has a first reflection surface 21, the first reflection surface 21 is a mirror surface, and at least a part of the first reflection surface 21 is arranged obliquely with respect to the axis of the light entrance hole 11; the second reflecting portion 3 has a second reflecting surface 31, and the second reflecting surface 31 is a mirror surface. In the embodiment of the present application, the mirror surface means that the reflecting surface is smooth, and specular reflection can occur, and when light rays incident in parallel are irradiated on the mirror surface, the light rays are reflected in another direction in parallel. The mirror surface may be formed by attaching a lens, brushing a mirror finish, or polishing a mirror surface, but is not limited thereto.

In this embodiment, light enters the housing 1 of the light supplement device 10 through the light inlet 11, can irradiate the first reflecting surface 21 of the first reflecting portion 2, can irradiate the second reflecting surface 31 of the second reflecting portion 3 after being reflected by the first reflecting surface 21, and is emitted from the light outlet 12 after being reflected by the second reflecting surface 31. First plane of reflection 21 with second plane of reflection 31 is the mirror surface, and light shines first plane of reflection 21 with mirror surface reflection can take place for second plane of reflection 31, and mirror surface reflection compares with diffuse reflection, and the loss of reflection light is less, can increase follow the light intensity that light outlet 12 jetted out improves the light filling effect of light filling device.

In this application embodiment, at least part first plane of reflection 21 for the axis direction slope setting of light inlet 11 with first plane of reflection 21 with the axis direction parallel of light inlet 11 compares, can increase the light and shine the incident angle of first plane of reflection 21, the increase warp the reflection angle of the light that first plane of reflection 21 reflects reduces to shine the light of casing 1's inner wall, reduces light and is in reflection number in the casing 1 has shortened the transmission path of light, has promoted effectively that light follows first reflection part 2 arrives the transmission efficiency of second reflection part 3 reduces to follow first reflection part 2 shines the loss of the light of second reflection part 3 increases to follow the light intensity that light outlet 12 jetted out has promoted the light filling intensity of light filling device 10.

In the embodiment of the present application, as shown in fig. 3 and 4, an acute angle between at least a portion of the first reflecting surface 21 and an axis of the light inlet 11 is a first included angle α, so that the light is totally reflected on the first reflecting surface 21.

In this embodiment, when the acute angle between at least a part of the first reflecting surface 21 and the axis of the light inlet 11 is a first included angle α, the first included angle α makes light totally reflect when irradiating the first reflecting surface 21, so that the light is not refracted at the first reflecting surface 21, thereby reducing the light loss caused by refraction at the first reflecting surface 21, reflecting all the light irradiating the first reflecting surface 21, totally reflecting the light at the first reflecting surface 21, and making the light not lost even after multiple reflections, thereby improving the light supplement intensity of the light supplement device 10.

In the embodiment of the present application, the first included angle α satisfies 40 ° α 50 ° to make the light reflected by the first reflecting surface 21 irradiate the second reflecting surface 31 in the vertical direction Y. In the embodiment of the present application, the light supplement device 10 is disposed in a vertical direction Y as shown in fig. 3 and fig. 4, the light inlet hole 11 and the light outlet hole 12 are distributed along the vertical direction Y, an axis of the light inlet hole 11 is along a horizontal direction X, and light is emitted into the housing 1 through the light inlet hole along the horizontal direction X.

In the embodiment of the present application, as shown in fig. 4, when light enters the housing 1 from the light inlet 11 along the horizontal direction X, the light irradiates the first reflecting surface 21 along the horizontal direction X, and is totally reflected, at this time, if the first included angle α is 45 ° (the incident angle is 45 °), according to the principle of light reflection, the reflection angle of the light reflected by the first reflecting surface 21 is 45 °, the light reflected by the first reflecting surface 21 can directly irradiate the second reflecting surface 31 along the vertical direction Y, so that the reflection light inclined with respect to the vertical direction Y can be reduced, the number of times of reflection of the reflection light in the housing 1 is reduced, the transmission efficiency of the light between the first reflecting surface 21 and the second reflecting surface 31 is improved, and the light supplement intensity of the light supplement device 10 is improved.

In the embodiment of the present application, according to different materials of the first reflective surface 21, the first included angle α meeting the total reflection condition is also changed accordingly, and when the first included angle α meets α being greater than or equal to 40 ° and less than or equal to 50 °, the light can be totally reflected on the first reflective surface 21, which is not limited herein.

In the embodiment of the present application, as shown in fig. 2, the second reflecting surface 31 includes an inclined surface 7, and an acute angle between the inclined surface 7 and an axis of the light inlet 11 is a second included angle β, so that the light is totally reflected on the second reflecting surface 31.

In the embodiment of the present application, when the acute angle between the inclined plane 7 and the axis of the light inlet 11 is a second included angle β, the second included angle β makes the light irradiate to the second reflecting surface 31 and perform total reflection, so that the light does not refract on the second reflecting surface 31, thereby reducing the light loss caused by refraction on the second reflecting surface 31, reflecting all the light irradiating to the second reflecting surface 31, and performing total reflection on the light on the second reflecting surface 31, so that the light is not lost through multiple reflections, and improving the light supplement intensity of the light supplement device 10.

In an embodiment of the present application, the second included angle β satisfies 40 ≦ β ≦ 50. In the embodiment of the present application, the light supplement device 10 is disposed in a vertical direction Y as shown in fig. 4 and 9, the light inlet hole 11 and the light outlet hole 12 are distributed along the vertical direction Y, an axis of the light inlet hole 11 is along a horizontal direction X, and light is emitted into the housing 1 through the light inlet hole along the horizontal direction X.

In the embodiment of the present application, as shown in fig. 4 and 9, when the light beam irradiates the second reflecting surface 31 along the vertical direction Y, total reflection occurs, and if the second included angle β is 45 ° (the incident angle is 45 °), according to the principle of light reflection, the reflection angle of the light beam reflected by the second reflecting surface 31 is 45 °, and the light beam reflected by the second reflecting surface 31 can be emitted from the light exit hole 12 along the horizontal direction X, so that the light beam is not blocked by the housing 1, the loss of the light beam is reduced, the light compensation effect of the light compensation device 10 is realized, and the light compensation intensity is enhanced.

In the embodiment of the present application, according to different materials of the second reflective surface 31, the second included angle β meeting the total reflection condition also changes accordingly, and when the second included angle β meets β being greater than or equal to 40 ° and less than or equal to 50 °, the light can be totally reflected on the second reflective surface 31, which is not limited herein.

In the embodiment of the present application, as shown in fig. 5, the first reflecting surface 21 includes a plurality of inclined surfaces 7, and at least some of the inclined surfaces 7 have different included angles with the axis of the light inlet 11 (not shown in the figure).

In the embodiment of the present application, the first reflecting surface 21 is provided with a plurality of the inclined surfaces 7, a plurality of the inclined surfaces 7 include a plurality of first inclined surfaces and a plurality of second inclined surfaces, the first included angle α of the first inclined surfaces is the same, the first included angle α of the second inclined surfaces is different from the first included angle α of the first inclined surfaces, two adjacent first inclined surfaces are connected through the second inclined surfaces, and the first inclined surfaces are the inclined surfaces 7 in the above embodiments. For example, the first included angle α on the first inclined plane may be greater than the first included angle α on the second inclined plane, so that when a ray is irradiated to the first reflection surface 21, the ray irradiated to the second inclined plane is less than the ray irradiated to the first inclined plane, and the reflection angle of the ray reflected by the first inclined plane is less than the reflection angle of the ray reflected by the second inclined plane, and the ray reflected by the first inclined plane can be irradiated to the second reflection surface 31 along the vertical direction Y, so that most of the ray can be irradiated to the second reflection surface 31 along the vertical direction Y under the reflection action of the first inclined plane, and a small part of the ray can be irradiated to the inner wall of the housing 1 under the reflection action of the second inclined plane to cause multiple reflections. The arrangement of the first reflecting surface 21 including a plurality of the inclined surfaces 7 in the embodiment of the present application can reduce the light intensity loss to some extent.

In the embodiment of the present application, the first reflection part 2 includes a structure with a plurality of inclined planes 7, and when the first reflection surface 21 receives the same light reflection range, the thickness of the first reflection part 2, the thickness of the light supplement device 10, and the volume of the light supplement device 10 can be reduced; when the thickness of the first reflection part 2 is the same, the range of incident light that can be received by the first reflection surface 21 is larger in the first reflection part 2 including the plurality of inclined surfaces 7 than in the first reflection part 2 including a single inclined surface 7, and light emitted from the first reflection surface 21 to the second reflection surface 31 can be increased, thereby increasing the intensity of light emitted from the light exit hole 12.

In the embodiment of the present application, as shown in fig. 5, the first reflection surface 21 includes a plurality of inclined surfaces 7 arranged at intervals, and adjacent inclined surfaces 7 are connected by a horizontal surface 8 or a vertical surface (not shown in the drawings), each inclined surface 7 is parallel, and each inclined surface 7 is the inclined surface 7 described in the above embodiments.

In the embodiment of the present application, as shown in fig. 6 and 9, the inclined surfaces 7 parallel to each other mainly function to receive and reflect light, and the horizontal surface 8 or the vertical surface mainly functions to connect the two inclined surfaces 7. When light irradiates the first reflecting surface 21 from the light inlet 11 along the horizontal direction X, the light can obliquely irradiate the inclined surface 7 and can be reflected by the inclined surface 7, and when an included angle between the inclined surface 7 and the axial direction of the light inlet 11 is the first included angle α, reflected light reflected by the inclined surface 7 can irradiate the second reflecting surface 31 along the vertical direction Y; if the connection surface is the horizontal surface 8, when light irradiates the first reflection surface 21, the connection surface is parallel to the horizontal surface 8, the horizontal surface 8 cannot play a role in receiving and reflecting the light, the light is prevented from irradiating the inner wall of the shell 1 after being irradiated to the horizontal surface 8 and reflected for multiple times, the transmission efficiency of the light between the first reflection surface 21 and the second reflection surface 31 is improved, and the loss of the light is reduced; if the connecting surface is the vertical surface, the height of the first reflecting surface 21 in the vertical direction Y can be increased, so that the density of the light reflected by the first reflecting surface 21 is reduced, and the uniformity of the light is improved.

In the embodiment of the present application, the first reflection part 2 includes a plurality of structures of the inclined plane 7 and the horizontal plane 8, which are arranged at intervals, and when the first reflection surface 21 receives the same light reflection range, the thickness of the first reflection part 2, the thickness of the light supplement device 10, and the volume of the light supplement device 10 can also be reduced; when the thickness of the first reflection part 2 is the same, the range of incident light that can be received by the first reflection surface 21 is larger in the first reflection part 2 including the plurality of inclined surfaces 7 than in the first reflection part 2 including a single inclined surface 7, and light emitted from the first reflection surface 21 to the second reflection surface 31 can be increased, thereby increasing the intensity of light emitted from the light exit hole 12.

In the embodiment of the present application, the second reflection surface 31 includes a plurality of inclined surfaces 7, and at least some of the inclined surfaces 7 have different included angles with the axis of the light inlet 11.

In the embodiment of the present application, the second reflecting surface 31 is provided with a plurality of the inclined surfaces 7, a plurality of the inclined surfaces 7 include a plurality of first inclined surfaces and a plurality of second inclined surfaces, the second included angle β on the first inclined surface is the same, the second included angle β on the second inclined surface is different from the second included angle β on the first inclined surface, two adjacent first inclined surfaces are connected through the second inclined surface, and the first inclined surface is the inclined surface 7 in each of the above embodiments. For example, the second contained angle β on first inclined plane can be greater than the second inclined plane the second contained angle β, through the second inclined plane is connected first inclined plane makes the high increase of plane of reflection 31 on vertical direction Y, nevertheless can not change first inclined plane 7 the second contained angle β makes light shine during the second plane of reflection 31, the warp the light that first inclined plane was reflected can be followed horizontal direction X jets out light-emitting hole 12, makes two adjacent light that jet out increase in the distance on vertical direction Y, avoids light to concentrate and causes the excessive risk of exposure, improves light filling device 10's light-emitting homogeneity. First plane of reflection 21 in this application embodiment includes a plurality of the mode of setting up on inclined plane 7 can reduce the light intensity loss to a certain extent, improves the light filling device 10's light-emitting homogeneity.

In the embodiment of the present application, the second reflecting portion 3 includes a plurality of inclined surfaces 7, and when the light irradiation range received by the second reflecting surface 31 is wide, the height of the second reflecting portion 3 in the vertical direction Y can be increased, but the incident angle of the light irradiated to the second reflecting surface 31 in the vertical direction Y is not changed, and the range of the light reflected by the second reflecting portion 3 exiting from the light exit hole 12 is increased; the thickness of second reflection part 3 is the same, including a plurality of inclined plane 7 second reflection part 3 with including singly inclined plane 7 second reflection part 3 compares, the scope of the light that second plane of reflection 31 reflects is bigger, can increase and follow the scope of the light that light-emitting hole 12 jetted out promotes light filling device 10's light-emitting homogeneity.

In the embodiment of the present application, the second reflecting surface 31 includes a plurality of inclined surfaces 7 arranged at intervals, and adjacent inclined surfaces 7 are connected by a horizontal surface 8 or a vertical surface (not shown in the figure), and the inclined surfaces 7 are parallel.

In the embodiment of the present application, the inclined surfaces 7 parallel to each other mainly serve to receive and reflect light, and the horizontal surface 8 or the vertical surface mainly serves to connect the two inclined surfaces 7. This structure can make second plane of reflection 31 is at the ascending altitude increase of vertical direction Y, nevertheless can not change inclined plane 7 the second contained angle beta, if connect the face do during the horizontal plane 8, the warp the light that first plane of reflection 21 reflects shines to on the inclined plane 7, can not direct irradiation extremely horizontal plane 8 or vertical face makes light can pass through light-emitting hole 12 jets out, inclined plane 7 with the contained angle between the axis direction of advancing light-emitting hole 11 does during the second contained angle beta, the warp reflection light after the inclined plane 7 reflection can pass through light-emitting hole 12 jets out along horizontal direction X to make two adjacent light that jet out increase in the distance on vertical direction Y, avoid light to concentrate and cause the risk of overexposure, improve light filling device 10's light-emitting homogeneity. In this application embodiment first plane of reflection 21 includes a plurality ofly the mode of setting up on inclined plane 7 can reduce the light intensity loss to a certain extent, improves the light filling device 10's light-emitting homogeneity.

In the embodiment of the present application, the second reflection portion 3 includes a plurality of structures of the inclined surface 7 and the horizontal surface 8 or the vertical surface, which are arranged at intervals, and when the first reflection surface 21 receives the same light reflection range, the height of the second reflection portion 3 in the vertical direction Y can be increased, but the incident angle of the light to the second reflection surface 31 in the vertical direction Y is not changed, so that the range of the light reflected by the second reflection portion 3 to be emitted from the light emitting hole 12 is increased; the thickness of second reflection part 3 is the same, including a plurality of inclined plane 7 second reflection part 3 with including singly inclined plane 7 second reflection part 3 compares, the scope of the light that second plane of reflection 31 reflects is bigger, can increase and follow the scope of the light that light-emitting hole 12 jetted out promotes light filling device 10's light-emitting homogeneity.

In the embodiment of the present application, as shown in fig. 5, the second reflecting surface 31 includes an arc surface 9, and the arc surface 9 is recessed into the housing 1.

In this embodiment, as shown in fig. 6 and 8, when light is reflected to the arc surface 9 of the second reflection surface 31 by the first reflection surface 21, according to the reflection principle of light, the light is reflected to the arc surface 9 at different positions and has different reflection angles, so that the reflected light reflected by the arc surface 9 can be scattered in different directions, so that the light can be uniformly scattered to the light outlet 12, the second reflection surface 31 includes the arc surface 9, and compared with the second reflection surface 31 including a plane (for example, the inclined plane 7), the light reflected by the second reflection surface 31 covers a larger range of the light outlet 12, thereby preventing the light from being concentrated to form a light spot to cause excessive exposure and unclear imaging, and improving the uniformity of the light emitted by the light supplement device 10.

In this application embodiment, as shown in fig. 6, the first plane of reflection 21 of first reflection part 2 includes the inclined plane 7 that a plurality of intervals set up, and is adjacent pass through between the inclined plane 7 the horizontal plane 8 is connected, each the inclined plane 7 is parallel, the second plane of reflection 31 of second reflection part 3 is cambered surface 9 structure, works as when first contained angle is alpha, can be with along horizontal direction X warp advance unthreaded hole 11 gets into light filling device 10's light is reflected extremely along vertical direction Y second reflection part 3, warp behind the reflection of second plane of reflection 31, make the reverberation along different direction scatters for light can be even scatter extremely go out unthreaded hole 12. The first reflection part 2 of this structure has thinner thickness when the same light reflection scope is accepted to first plane of reflection 21, and does not change the incident angle that light shines first plane of reflection 21, can reduce the loss of light, promotes the light filling intensity of light filling device 10, reduces the thickness of light filling device 10, and the second reflection part 3 of this structure will shine to the light of second plane of reflection 31 scatters along different directions, makes light cover the scope of light-emitting hole 12 enlarges, avoids light to concentrate and forms the facula and cause the excessive clear formation of image of exposing, has promoted the homogeneity of the light that light filling device 10 jetted out.

In an embodiment of the present application, as shown in fig. 4 and 6 to 9, the light supplement device 10 may further include a light guide portion 4, the light guide portion 4 is filled in the housing 1, and the first reflection portion 2 and the second reflection portion 3 are disposed on the light guide portion 4.

In the embodiment of the present application, the light guide part 4 may be used for conducting a linear light source to improve the transmission efficiency of light, a portion of the light guide part 4 contacting the bottom wall of the housing 1 is the first reflection surface 21, a portion of the light guide part 4 contacting the top wall of the housing 1 is the second reflection surface 31, the first reflection surface 21 and the second reflection surface 31 are located at two ends of the light guide part 4 along the vertical direction Y, and two ends of the light guide part 4 are made into any shape, such as an arc shape, a step shape, an inclined plane shape, and the like, according to the structure of the first reflection surface 21 and the second reflection surface 31, but not limited thereto. In this embodiment, the first reflective surface 21 and the second reflective surface 31 are disposed on the light guide portion 4, so that the light supplement device 10 is more stable, the first reflective portion 2 and the second reflective portion 3 are less prone to displacement in the housing 1, the risk of deviation of reflected light is reduced, and the transmission efficiency of light is improved.

In the embodiment of the present application, the light guide portion 4 is one of a plastic column, an organic glass column, an optical homogenizing sheet, and a light guide sheet. The first reflective surface 21 and the second reflective surface 31 may be a reflective material layer plated, sprayed, or coated on the light guide portion 4, or may be a reflective film or a lens adhered to the light guide portion 4, but not limited thereto, and this structure can make the first reflective portion 2 and the second reflective portion 3 more stably connected to the light guide portion 4, so that the first reflective portion 2 and the second reflective portion 3 are not easily detached from the light guide portion 4, thereby increasing the structural stability of the light supplement device 10, and the manufacturing process is simple, the cost is low, mass production is possible, and the production cost of the light supplement device 10 is reduced.

In the embodiment of the present application, when the light guide portion 4 is one of a plastic column, an organic glass column, and an optical integrator, the light guide portion 4 has the advantages of more uniform light guide, low cost, long service life, and the like, and according to the specific structure of the light supplement device 10, the light guide portion 4 may also be a plastic plate, an organic glass plate, a plastic sheet, an organic glass sheet, and the like, but is not limited thereto.

In the embodiment of the present application, as shown in fig. 7, when the light guide part 4 is a light equalizing sheet such as a plastic sheet or an organic glass sheet, the thickness of the light guide part along the horizontal direction X is the smallest, which facilitates the realization of an ultra-thin design of the light supplement device 10.

In the embodiment of the present application, as shown in fig. 3 and 5, the light guide portion 4 is not disposed in the housing 1, and the air in the housing 1 can guide light, and at this time, the thickness of the housing 1 can be reduced without including the light guide portion 4, which is helpful for realizing the light and thin of the light supplement device 10. The first reflective part 2 and the second reflective part 3 may be a layer of reflective material with plating, spraying, or coating, the reflective material layer may form the first reflective surface 21 and the second reflective surface 31, or may be a reflective film or a mirror bonded to the first reflective part 2 and the second reflective part 3, the reflective film or the mirror is the first reflective surface 21 and the second reflective surface 31, the first reflecting surface 21 and the second reflecting surface 31 of the first reflecting part 2 and the second reflecting part 3 are mirror surfaces, so that the light entering the housing 1 through the light inlet hole 11 is reflected by the mirror structure of the first reflecting surface 21 and the second reflecting surface 31, the structure reduces the use of the light guide part 4, reduces the process flow of processing and assembling the light guide part 4, and greatly reduces the cost of the light supplement device 10.

In the embodiment of the present application, as shown in fig. 2 and 7, the light supplement device 10 includes a light transmitting portion 5, and the light transmitting portion 5 covers the light exit hole 12.

In this application embodiment, light warp can shine after the reflection of second plane of reflection 31 cover in go out unthreaded hole 12 printing opacity portion 5, the warp printing opacity portion 5 jets out, printing opacity portion 5 can improve the effect of light, like increasing effects such as light intensity, even light, soft light, but not limited to this to be applicable to different service environment, improve light filling device 10's application scope satisfies different users' user demand.

In the embodiment of the present application, the light-transmitting portion 5 is one or more of a light uniformizing sheet, a light intensifying sheet, a light softening sheet, and a light guiding sheet.

In this application embodiment, the even light piece can be with the pointolite uniform diffusion, promotes the homogeneity of light, and the piece that adds lustre to can gather light, increases the luminance of light-emitting, and the sheen piece can increase light source luminous area, weakens the hardness of light, makes light softer, and the leaded light piece can the line light source of conduction, improves the transmission efficiency of light, printing opacity portion 5 can be according to the user demand for one in the piece that all gives lustre to, piece that adds lustre to, the leaded light piece, also can be the combination of multiple diaphragm to obtain more result of use, satisfy different users' user demand.

In the embodiment of the present application, the inner walls of the housing 1 are all provided with a reflective layer.

In this application embodiment the inner wall of casing 1 is equipped with the reflector layer and can avoids light to be in carry out the diffuse reflection in the casing 1, reduce the reflection loss of light, promote the transmission efficiency of light.

In an embodiment of the present application, as shown in fig. 1, the light supplement device 10 includes a light shield 6 installed outside the housing 1, and the light shield 6 surrounds the light inlet 11 and protrudes from the housing 1.

In this application embodiment, the light shield 6 can be laminated with the edge of light emitting device (for example, electronic equipment), and the light that blocks the light source is entering the in-process of light inlet 11 is followed light filling device 10 spills, has reduced the loss of light source, has improved the utilization ratio of light source, makes more light can get into light filling device 10 has promoted light filling device 10's luminous intensity.

An embodiment of the present application provides a protective case 20 of an electronic device, as shown in fig. 10, the protective case 20 includes the light supplement device 10 according to any one of the above embodiments. Since the light supplement device 10 has the above technical effects, the protective case 20 of the electronic device including the light supplement device 10 should also have corresponding technical effects, which are not described herein again.

In the embodiment of the present application, the protective case 20 may be used in any device having a photographing function, such as a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), a notebook computer, an in-vehicle computer, a display device, and a wearable device. The embodiment of the present application does not specifically limit the specific form of the electronic device.

For convenience of description, an electronic device is taken as an example of a mobile phone, as shown in fig. 10, the protective shell 20 may be a protective shell of the mobile phone, when in use, the protective shell 20 is sleeved outside a rear cover of the mobile phone, the light supplement device 10 is installed on the protective shell 20, the light inlet 11 of the light supplement device 10 is aligned with a flash lamp of the mobile phone, and the flash lamp is a light source of the light supplement device 10, so that light of the flash lamp is enhanced in light intensity and uniformity under the action of the light supplement device 10, and a self-photographing requirement of a user is met.

In the embodiment of the present application, as shown in fig. 10, the light supplement device 10 is rotatably or slidably connected to the protective casing 20.

In the embodiment of the present application, as shown in fig. 10, when a user needs to supplement light during self-photographing, the light supplementing device 10 is rotated or slid to make a part of the light supplementing device 10 extend out of the protective shell 20, so that the flash lamp is opposite to the light inlet 11, when the user takes a photo, light of the flash lamp can enter the light supplementing device 10 through the light inlet 11 and then be emitted through the light outlet 12 of the light supplementing device 10, thereby achieving a light supplementing effect; when need not the light filling, rotate or slide the light filling device, make the light filling device 10 retract to protective housing 20 can reduce the occupation space of light filling device 10 reduces the volume of protective housing 20 prevents light filling device 10 suffers the damage, promotes light filling device 10's life, convenience of customers' daily use.

As shown in fig. 1 to 10, the light inlet 11 and the light outlet 12 are located on the same side of the light supplement device 10, so that the light emitted from the light supplement device 10 is opposite to the light entering the light supplement device 10, and the light supplement effect of a user during self-photographing in an environment lacking light is satisfied.

The above description is only a specific implementation of the embodiments of the present application, but the scope of the embodiments of the present application is not limited thereto, and any changes or substitutions within the technical scope disclosed in the embodiments of the present application should be covered by the scope of the embodiments of the present application. Therefore, the protection scope of the embodiments of the present application shall be subject to the protection scope of the claims.

Claims (19)

1. A light supplement device, comprising:

the light source comprises a shell, a light source and a light source, wherein the shell is provided with a light inlet hole and a light outlet hole;

the first reflection part is positioned in the shell, is close to the light inlet hole and is provided with a first reflection surface, the first reflection surface is a mirror surface, and at least part of the first reflection surface is obliquely arranged relative to the axis of the light inlet hole;

the second reflection part is positioned in the shell and close to the light outlet hole, and is provided with a second reflection surface which is a mirror surface.

2. A light supplement device as claimed in claim 1, wherein an acute angle between at least part of the first reflecting surface and an axis of the light inlet is a first included angle α, so that the light is totally reflected by the first reflecting surface.

3. A light supplement device according to claim 2, wherein the first included angle α is 40 ° or more and 50 ° or less, so that the light reflected by the first reflecting surface is vertically irradiated to the second reflecting surface.

4. A light supplement device according to claim 1, wherein the second reflecting surface comprises an inclined surface, and an acute angle between the inclined surface and the axis of the light inlet hole is a second included angle β, so that the light is totally reflected by the second reflecting surface.

5. A light supplement apparatus according to claim 4, wherein the second included angle β satisfies 40 ° < β < 50 °.

6. A light supplement device as claimed in claim 1, wherein the first reflecting surface comprises a plurality of inclined surfaces, and at least some of the inclined surfaces have different angles with the axis of the light inlet hole.

7. A light supplement device according to claim 1, wherein the first reflecting surface comprises a plurality of inclined surfaces arranged at intervals, adjacent inclined surfaces are connected through a horizontal surface or a vertical surface, and the inclined surfaces are parallel.

8. A light supplement device according to claim 1, wherein the second reflecting surface comprises a plurality of inclined surfaces, and at least some of the inclined surfaces have different included angles with the axis of the light inlet hole.

9. A light supplement device according to claim 1, wherein the second reflecting surface comprises a plurality of inclined surfaces arranged at intervals, adjacent inclined surfaces are connected through a horizontal surface or a vertical surface, and the inclined surfaces are parallel.

10. A light supplement device according to claim 1, wherein the second reflecting surface comprises an arc surface, the arc surface being recessed into the housing.

11. A light supplement device according to claim 1, further comprising a light guide portion, wherein the light guide portion is filled in the housing, and the first reflection portion and the second reflection portion are disposed in the light guide portion.

12. The light supplement device of claim 11, wherein the light guide part is one of a plastic column, an organic glass column, a light homogenizing sheet, and a light guide sheet.

13. A light supplement device according to any one of claims 1 to 12, wherein the light supplement device comprises a light transmitting portion covering the light exit hole.

14. The light supplement device of claim 13, wherein the light transmissive portion is one or more of a light uniformizing sheet, a light intensifying sheet, a light softening sheet, and a light guiding sheet.

15. A light supplement device according to any of claims 1 to 12, wherein the first reflective portion is one of a reflective material layer, a reflective film and a lens;

the second reflection part is one of a reflection material layer, a reflection film and a lens.

16. A light supplement device according to any one of claims 1 to 12, wherein the inner walls of the housing are provided with a light reflecting layer.

17. A light supplement device according to any one of claims 1 to 12, wherein the light supplement device comprises a light shield installed outside the housing, the light shield surrounding the light inlet hole and protruding from the housing.

18. A protective case for an electronic device, wherein the protective case includes the light supplement device according to any one of claims 1 to 17.

19. The protective case of the electronic device of claim 18, wherein the light supplement device is rotatably or slidably connected to the protective case.

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