CN210324925U - Backlight module with a plurality of camera through-holes - Google Patents
Backlight module with a plurality of camera through-holes Download PDFInfo
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- CN210324925U CN210324925U CN201920671226.2U CN201920671226U CN210324925U CN 210324925 U CN210324925 U CN 210324925U CN 201920671226 U CN201920671226 U CN 201920671226U CN 210324925 U CN210324925 U CN 210324925U
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Abstract
The utility model discloses a backlight module with a plurality of camera through-holes. The backlight module comprises a shell (1), and a reflector plate (2), a light guide plate (3), a diffusion film (4), a brightness enhancement film (5) and a shading film (6) which are sequentially arranged on the shell (1); an LED light source (30) is arranged at the bottom end of the light guide plate (3); the edge of the shading film (6) is covered and stuck with shading glue (7) for shading light; the camera comprises a shell (1), a reflector plate (2), a light guide plate (3), a diffusion film (4), a brightness enhancement film (5) and a shading film (6), wherein a plurality of camera through holes are formed in the position, close to the top edge, of the shading film in a corresponding mode. The backlight module can meet the requirement that the mobile phone is provided with a plurality of cameras, realizes high pixel and high focusing, provides possibility for realizing the shooting effect of optical zooming and background blurring of camera shooting, does not reduce the screen occupation ratio of the mobile phone, meets the development requirement of full-screen display of the mobile phone, and is favorable for improving market competitiveness.
Description
Technical Field
The utility model relates to a backlight module technical field, concretely relates to backlight module with a plurality of camera through-holes.
Background
Along with the continuous change of the appearance of the smart phone, in order to obtain a larger visual area range, the screen of the smart phone is continuously enlarged to the edge position of the smart phone, and the top of the smart phone is integrated with structures such as a camera, a receiver and the like. Moreover, the current consumers have higher and higher requirements on the functions of the mobile phone, and particularly the camera shooting function of the mobile phone, including the function of requiring high camera shooting pixels and realizing camera shooting on both the front side and the back side.
In order to realize the comprehensive screen development of the mobile phone, the problem of placing a camera needs to be solved; meanwhile, the requirement of high camera shooting function is also required to be met, and the focusing effect and pixels of camera shooting are improved. The existing single camera has unsatisfactory photographing effect, cannot realize the photographing effect of optical zooming and background blurring, cannot meet the requirements of high pixel and high focusing, and needs to develop the camera shooting function of a mobile phone with multiple cameras for focusing. For the arrangement of multiple cameras of the mobile phone, the backlight module needs to be improved correspondingly to ensure the uniformity of light emission and enough brightness of the mobile phone. However, in the conventional backlight module, a relatively large notch is usually formed for disposing the camera. The setting adjustment of the luminous degree of consistency can not be realized to great breach, and the monoblock position that so can lead to the corresponding breach of cell-phone can not be used for the screen display to lead to the cell-phone screen to account for the reduction, hindered the full-screen display's of cell-phone development, be unfavorable for improving market competition.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a backlight unit with a plurality of camera through-holes to the defect that exists among the prior art or not enough. The backlight module can meet the requirement that the mobile phone is provided with a plurality of cameras, provides possibility for realizing shooting effect including optical zooming and background blurring, meets the requirements of high pixel and high focusing of mobile phone shooting, does not reduce the screen occupation ratio of the mobile phone, meets the development requirement of full-screen display of the mobile phone, and is favorable for improving market competitiveness.
The purpose of the utility model is realized through the following technical scheme.
A backlight module with a plurality of camera through holes comprises a shell, and a reflector plate, a light guide plate, a diffusion film, a brightness enhancement film and a shading film which are sequentially arranged on the shell;
the bottom end of the light guide plate is provided with an LED light source; the edge of the shading film is covered and stuck with shading glue for shading light;
and a plurality of camera through holes are correspondingly formed in the shell, the reflector plate, the light guide plate, the diffusion film, the brightness enhancement film and the shading film and are close to the top edge.
Preferably, in the plurality of camera through holes, the distance from the hole edge to the hole edge between any two camera through holes is more than 2 mm.
Preferably, in the plurality of camera through holes, the distance from the hole edge to the hole edge between any two camera through holes is 2 mm-3 mm.
Preferably, in the plurality of camera through holes, a distance between a hole edge of any camera through hole and a top edge is 1.5mm or more.
Preferably, in the plurality of camera through holes, the distance between the hole edge of any camera through hole and the top edge is 1.5 mm-2.5 mm.
Preferably, the camera through holes are all round holes.
Preferably, a PET (poly terephthalic acid plastic) block is arranged at the bottom end of the light shielding glue corresponding to the LED light source.
Preferably, the camera through hole on the housing is a convex hole which is convex from the back surface to the front surface of the housing and has a gradually reduced aperture from the back surface to the front surface of the housing, that is, the edge of the camera through hole on the housing is a chamfer convex from the back surface to the front surface of the housing.
More preferably, the chamfer angle of the chamfer bulge is 70-85 degrees, and the height of the chamfer bulge on the edge of the camera through hole is the same as the height of the peripheral edge of the shell.
Still further preferably, the chamfer angle of the edge chamfer protrusion of the camera through hole is 83 °, and the protrusion height of the edge chamfer protrusion of the camera through hole is the same as the peripheral edge height of the housing.
More preferably, the protruding height of edge chamfer of camera through-hole is 1/3~3/5 of the edge height all around of casing, just the protruding being close to of edge chamfer of camera through-hole integrative injection moulding has injection moulding glue on the face of casing front, injection moulding glue with the protruding height sum of the protruding height of edge chamfer of camera through-hole with the edge height all around of casing is the same.
Further preferably, the chamfer angle of the chamfer bulge at the edge of the camera through hole is 0-90 degrees.
Preferably, in the backlight module with a plurality of camera through holes described in any of the above, there are two camera through holes.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
the utility model discloses a backlight unit can satisfy the cell-phone and hold the requirement that sets up a plurality of cameras, for the shooting effect that includes optics zoom and background blurring that realizes that the cell-phone makes a video recording provides probably, satisfies the high pixel and the high focus demand that the cell-phone made a video recording, and can not reduce the screen of cell-phone and account for, satisfies the full-screen development needs that show of cell-phone, is favorable to improving market competition.
Drawings
Fig. 1 is a schematic view of an assembly structure of a backlight module having a plurality of camera through holes according to embodiment 1 of the present invention;
fig. 2 is an enlarged schematic view of a camera through hole on a housing in a backlight module having a plurality of camera through holes according to embodiment 1 of the present invention;
fig. 3 is a schematic cross-sectional view of a camera through hole on a housing in a backlight module having a plurality of camera through holes according to embodiment 1 of the present invention;
fig. 4 is an enlarged schematic view of a camera through hole on a housing in a backlight module having a plurality of camera through holes according to embodiment 2 of the present invention;
fig. 5 is a schematic cross-sectional view of a camera through hole on a housing in a backlight module having a plurality of camera through holes according to embodiment 2 of the present invention;
the attached drawings are marked as follows: the manufacturing method comprises the following steps of 1-a shell, 10-a camera through hole, 100-an edge chamfer bulge, 11-a first glue injection hole, 101-a second glue injection hole, 12-a first glue injection body, 13-a second glue injection body, 2-a reflector plate, 3-a light guide plate, 30-an LED light source, 4-a diffusion film, 5-a brightness enhancement film, 6-a light shielding film, 7-a light shielding glue and 8-a PET block.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto. In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "bottom", "top", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are usually placed when the products of the present invention are used, or are used for distinguishing between the descriptions, and only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention, and should not indicate or imply relative importance.
Example 1
Referring to fig. 1, it is a backlight module with a plurality of camera through holes of the present invention. The backlight module comprises a shell 1, and a reflector plate 2, a light guide plate 3, a diffusion film 4, a brightness enhancement film 5 and a light shielding film 6 which are sequentially arranged on the shell 1, namely the reflector plate 2, the light guide plate 3, the diffusion film 4, the brightness enhancement film 5 and the light shielding film 6 are sequentially stacked from bottom to top.
The bottom end of the light guide plate 3 is provided with an LED light source 30, the LED light source 30 comprises an LED light strip and an FPC (flexible circuit board) connected with the LED light strip, and the FPC is connected with an external power supply through a lead. And a shading glue 7 is covered and adhered above the edge of the shading film 6 and is used for shading light so as to prevent light from diffusing from the side edge of the whole backlight module to form uneven light emission.
And, all correspond on casing 1, reflector plate 2, light guide plate 3, diffusion barrier 4, the membrane of adding lustre to 5 and the photomask 6 and be close to the top edge and seted up a plurality of camera through-holes, all correspond respectively on casing 1, reflector plate 2, light guide plate 3, diffusion barrier 4, the membrane of adding lustre to 5 and the photomask 6 and seted up a plurality of camera through-holes promptly, and a plurality of camera through-holes evenly distributed is located and is close to the top edge. A plurality of camera through-holes that set up can be used to the one-to-one and installs a plurality of cameras to realize a plurality of camera settings of cell-phone, can mutually support between a plurality of cameras and realize that the optics that the cell-phone was made a video recording zooms and the background blurring, thereby satisfy the high pixel and the high focus demand that the cell-phone was made a video recording, improve the function effect of making a video recording of cell-phone.
In addition, in the plurality of camera through holes, the distance from the hole edge to the hole edge between any two camera through holes is more than 2 mm. A plurality of cameras are arranged on the camera through holes with fixed intervals in a one-to-one correspondence mode, and accurate matched zooming can be achieved among the cameras. In a plurality of camera through-holes of this embodiment, arbitrary two hole limit to hole limit distance between the camera through-hole is 2mm ~3 mm.
In the plurality of camera through holes, the distance between the hole edge of any camera through hole and the top end edge is more than 1.5 mm. In a plurality of camera through-holes of this embodiment, arbitrary camera through-hole's hole limit is 1.5mm ~2.5mm to the distance between the top edge.
In an embodiment that may be preferred, the camera through-holes optionally include a right circular hole or a racetrack-type hole, and the arrangement among the plurality of camera through-holes includes horizontal arrangement, vertical arrangement, or matrix arrangement. A plurality of this embodiment the camera through-hole is the round hole, just the camera through-hole is two, and two camera through-holes are along transversely arranging, guarantee that setting up of camera through-hole is pleasing to the eye and practical.
In this embodiment, the bottom end of the light shielding adhesive 7 and the position corresponding to the LED light source 30 are provided with the PET block 8, which is used for filling the bottom space of the lower polarizer when the backlight module is installed, so that the overall installation structure is more compact, and the glass can be effectively prevented from being damaged due to the excessively large gap between the glass and the LED light source 30.
The housing 1 of this embodiment is an iron case, and the bottom end is provided with a light source mounting position for the fixed mounting of the LED light source 30. In addition, the bottom end of the shell 1 is also provided with an FPC leading-out port for leading out an external power supply by the FPC connection of the LED light source.
The peripheral edge of the housing 1 and the light source mounting position are provided with a first injection molding body 12 which is formed by integral injection molding. Wherein, all seted up first notes gluey hole 11 on the edge all around of casing 1 and the light source installation position, first notes gluey hole 11 is the aperture along casing 1's peripheral evenly distributed for the integrative injection moulding of first notes plastic body 12. Specifically, the edge that the periphery of casing 1 is for facing inwards buckling has seted up first notes gluey hole 11 on the bottom of buckling, and first notes gluey body 12 moulds plastics in the inside of buckling of the periphery of casing 1 through first notes gluey hole 11 to draw gluey fixed integrated into one piece on casing 1 through first notes gluey hole 11, thereby form indisputable integrated into one piece's casing.
Specifically referring to fig. 2 and 3, in the present embodiment, the camera through hole 10 on the housing 1 is a convex hole that protrudes from the back surface of the housing 1 to the front surface, and the aperture of the convex hole gradually decreases from the back surface of the housing 1 to the front surface (i.e., from the back surface of the housing 1 to the front surface), that is, the edge of the camera through hole 10 on the housing 1 presents a chamfered protrusion 100 from the back surface of the housing 1 to the front surface.
In an alternative embodiment, the height of the edge chamfer bulge 100 of the camera through hole 10 is 3/4-6/5 of the height of the peripheral edge of the shell 1. In this embodiment, the protrusion height of the chamfered protrusion 100 at the edge of the camera through hole 10 is the same as the height of the peripheral edge of the housing 1, that is, the chamfered protrusion 100 is flush with the peripheral edge of the housing 1.
Moreover, in an alternative embodiment, the chamfer angle α of the edge chamfer protrusion 100 of the camera through hole 10 is 70 to 85 °. in the present embodiment, the chamfer angle α of the edge chamfer protrusion 100 of the camera through hole 10 is 83 °.
So, the edge of camera through-hole 10 forms the protruding 100 of chamfer to when the setting of taper camera, the taper head of camera can be suitable agrees with to the camera through-hole 10 in, the taper slope of camera and the protruding 100 direct cooperations of edge chamfer of camera through-hole 10 have effectively reduced the clearance between camera through-hole 10 inside and the camera awl form top, and have improved the installation stability of camera. Moreover, be the bellied dogeye of 90 jiaos for the edge for camera through-hole 10, camera through-hole 10 is the chamfer for the edge and protruding 1 positive one end trompil diameters of nearly casing that can make camera through-hole 10 diminish, has rationally practiced thrift the clearance space between camera through-hole 10 inside and the camera awl form top to make the effective area increase that sets up of membrane of adding lustre to be favorable to improving cell-phone screen ratio.
Example 2
The embodiment is the same as embodiment 1, except that, referring to fig. 4 and 5, the height of the edge chamfer protrusion of the camera through hole 10 on the housing 1 is 1/3-3/5 of the height of the peripheral edge of the housing 1, and the surface of the edge chamfer protrusion of the camera through hole 10, which is close to the front surface of the housing 1, is integrally injection-molded with injection-molded plastic, and the sum of the injection-molded plastic and the height of the edge chamfer protrusion of the camera through hole 10 is the same as the height of the peripheral edge of the housing 1.
Moreover, the chamfer angle β of the edge chamfer bulge of the camera through hole 10 is between 0 and 90 degrees, and the adjustable change range of the chamfer angle β of the chamfer bulge 100 is increased.
As shown in fig. 4 and 5, a second glue injection hole 101 is formed in the edge chamfer protrusion 100 of the camera through hole 10, and a second glue injection body 13 is formed on the surface, close to the front surface of the housing 1, of the edge chamfer protrusion 100 of the camera through hole 10 through the second glue injection hole 101 in an integral injection molding manner, that is, the second glue injection body 13 is located on the outer side surface of the edge chamfer protrusion 100 of the camera through hole 10. The second glue injection holes 101 are distributed at the bent parts of the edge chamfering protrusions 100, the second glue injection bodies 13 are formed on the outer surfaces of the edge chamfering protrusions 100 in an injection molding mode through the front face of the iron shell or the outer side faces of the camera through holes 10, and the second glue injection holes 101 are used for drawing glue to be fixed and integrally formed on the edge chamfering protrusions 100, so that glue and iron are integrally formed.
In addition, in an alternative embodiment, the sum of the protrusion heights of the second injection molding body 13 and the edge chamfering protrusion 100 of the camera through hole 10 is 3/4 to 6/5 of the height of the peripheral edge of the housing 1.
In this embodiment, the sum of the protrusion heights of the second injection molding body 13 and the chamfered protrusion 100 at the edge of the camera through hole 10 is the same as the height of the peripheral edge of the housing 1. Since the height of the edge chamfered protrusion 100 of the camera through hole 10 is 1/3-3/5 of the height of the peripheral edge of the housing 1, the height of the edge chamfered protrusion 100 is complemented by the second injection molding body 13, so that the edge chamfered protrusion 100 is flush with the peripheral edge of the housing 1.
Moreover, two sides of the inner diameter side and the outer diameter side of the second injection molding body 13 along the radial direction of the camera through hole 10 are parallel to the axial direction of the camera through hole 10, and the inner diameter of the second injection molding body 13 is equal to the inner diameter of the camera through hole 10, that is, the inner ring of the second injection molding body 13 for complementing the height of the edge chamfering protrusion 100 is formed into a straight pore channel.
Through the cooperation design of the second injection molding body 13 and the edge chamfer bulge 100 of the camera through hole 10, the variation range of the chamfer angle β of the edge chamfer bulge 100 of the camera through hole 10 can be improved, the chamfer angle β can be changed within the range of 0-90 degrees to adapt to cameras with different tapers, and the corresponding different chamfer angles, through selecting the height of the reasonable edge chamfer bulge 100, and then the second injection molding body 13 is complemented, the taper inclined part of the camera is directly matched with the edge chamfer bulge 100 of the camera through hole, and the taper head part of the camera is directly matched with the second injection molding body 13, so that the gap between the taper head part of the camera and the front end of the shell 1 close to the camera through hole 10 can be further effectively reduced.
The above embodiments are merely preferred embodiments of the present invention, and only lie in further detailed description of the technical solutions of the present invention, but the protection scope and the implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, replacements, or modifications made under the spirit and principle of the present invention will be included in the protection scope of the present invention.
Claims (10)
1. The backlight module with the plurality of camera through holes is characterized by comprising a shell (1), and a reflector plate (2), a light guide plate (3), a diffusion film (4), a brightness enhancement film (5) and a shading film (6) which are sequentially arranged on the shell (1);
an LED light source (30) is arranged at the bottom end of the light guide plate (3); the edge of the shading film (6) is covered and stuck with shading glue (7) for shading light;
the camera comprises a shell (1), a reflector plate (2), a light guide plate (3), a diffusion film (4), a brightness enhancement film (5) and a shading film (6), wherein a plurality of camera through holes are formed in the position, close to the top edge, of the shading film in a corresponding mode.
2. The backlight module as claimed in claim 1, wherein the distance between any two of the camera through holes is 2mm to 3 mm.
3. The backlight module as claimed in claim 1, wherein the distance between the edge of any of the plurality of camera through holes and the top edge is 1.5mm to 2.5 mm.
4. The backlight module as claimed in claim 1, wherein the plurality of camera through holes are all round holes.
5. The backlight module with a plurality of camera through holes as claimed in claim 1, wherein a PET block (8) is disposed at the bottom end of the light shielding glue (7) corresponding to the LED light source (30).
6. The backlight module with multiple camera through holes as claimed in claim 1, wherein the camera through holes on the housing (1) are convex holes protruding from the back surface of the housing (1) to the front surface, and the aperture of the convex holes gradually decreases from the back surface of the housing (1) to the front surface, i.e. the edges of the camera through holes on the housing (1) are chamfered and protruded from the back surface of the housing (1) to the front surface.
7. The backlight module with a plurality of camera through holes as claimed in claim 6, wherein the chamfer angle of the chamfer bulge is 70-85 °, and the height of the edge chamfer bulge of the camera through hole is the same as the height of the peripheral edge of the housing (1).
8. The backlight module as claimed in claim 6, wherein the height of the edge chamfer protrusion of the camera through hole is 1/3-3/5 of the height of the peripheral edge of the housing (1), and the surface of the edge chamfer protrusion of the camera through hole close to the front surface of the housing (1) is integrally injection molded with injection molding plastic, and the sum of the injection molding plastic and the height of the edge chamfer protrusion of the camera through hole is the same as the height of the peripheral edge of the housing (1).
9. The backlight module with multiple camera through holes as claimed in claim 8, wherein the chamfer angle of the edge chamfer bulge of the camera through hole is between 0-90 °.
10. The backlight module with a plurality of camera through holes as claimed in any one of claims 1 to 9, wherein there are two camera through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671226.2U CN210324925U (en) | 2019-05-09 | 2019-05-09 | Backlight module with a plurality of camera through-holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671226.2U CN210324925U (en) | 2019-05-09 | 2019-05-09 | Backlight module with a plurality of camera through-holes |
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| Publication Number | Publication Date |
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| CN210324925U true CN210324925U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920671226.2U Active CN210324925U (en) | 2019-05-09 | 2019-05-09 | Backlight module with a plurality of camera through-holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590105A (en) * | 2020-10-21 | 2021-04-02 | 深圳市隆利科技股份有限公司 | Light guide plate, preparation process, mold and backlight module |
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2019
- 2019-05-09 CN CN201920671226.2U patent/CN210324925U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590105A (en) * | 2020-10-21 | 2021-04-02 | 深圳市隆利科技股份有限公司 | Light guide plate, preparation process, mold and backlight module |
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