CN214474344U

CN214474344U - High-light-transmittance mobile phone backlight source

Info

Publication number: CN214474344U
Application number: CN202121093255.9U
Authority: CN
Inventors: 邓玉泉; 陈军辉; 王苗; 胡卫国
Original assignee: Hubei Yixin Precision Manufacturing Co ltd
Current assignee: Hubei Yixin Precision Manufacturing Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-10-22
Anticipated expiration: 2031-05-21

Abstract

The utility model belongs to the backlight source field, in particular to a high-transmittance mobile phone backlight source, which comprises a mounting plate and a heat dissipation structure; the utility model discloses a lamp, including the mounting panel, the fixing base is installed at the bottom of mounting panel, the fixing base is fixed with the installation base and is linked together, the inside of fixing base is fixed with the lamp pearl, the bottom and the installation base fixed connection of lamp pearl, heat radiation structure includes the radiating block, the inside of fixing base is run through and is installed the radiating block, carries out abundant absorption to the direct heat that produces near the lamp pearl through the heating panel to the conduction is to the inside of radiating block, lets derivation that the heat that the lamp pearl in the backlight distributed can be timely, and after the radiating block further transmits the heat to the inside of cooling plate, the inside heat conduction silicone grease of cooling plate can cool down as fast as far as possible, lets radiating block and heating panel can long-time carry out the work of dispelling the heat, extension fixture's life.

Description

High-light-transmittance mobile phone backlight source

Technical Field

The utility model relates to a backlight field specifically is a cell-phone backlight of high luminousness.

Background

The backlight is a light source applied to the back of the liquid crystal display, wherein a display module in the liquid crystal display can be directly influenced by the luminous effect of the backlight, the display screen technology in the existing mobile phone is continuously optimized and improved, and in order to enable a user to use the mobile phone, the effect of patterns and characters displayed on a screen can be better, and the backlight with high light transmittance is generally needed to realize the effect.

However, the light transmittance of the conventional backlight is greatly reduced due to thermal failure, and even the service life of the light source is directly shortened, which brings inconvenience to users; therefore, a backlight for a mobile phone with high light transmittance is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, luminousness in the backlight can lead to luminousness greatly reduced because of thermal failure, can directly shorten the life of light source even, the problem of inconvenience for the user, the utility model provides a cell-phone backlight of high luminousness.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a high-transmittance mobile phone backlight source, which comprises a mounting plate and a heat dissipation structure; the bottom of the mounting plate is fixed with a mounting base, the top of the mounting plate is provided with a fixed seat, the fixed seat is fixedly communicated with the mounting base, the inside of the fixed seat is fixed with a lamp bead, the bottom of the lamp bead is fixedly connected with the mounting base, the heat dissipation structure comprises a heat dissipation block, the inside of the fixed seat is provided with the heat dissipation block in a penetrating way, the bottom of the heat dissipation block penetrates through the inside of the mounting plate and extends to the lower part of the mounting plate, the top end of the heat dissipation block is fixed with a heat dissipation plate, the heat dissipation plate is positioned at one side of the lamp bead, the inner side of the bottom end of the heat dissipation block is fixed with a heat dissipation backing plate, the inside of the heat dissipation backing plate is provided with a notch, the notch is positioned at the outer side of the mounting base, the joint of the notch and the mounting base is filled with heat conduction silicone grease, the bottom of the heat dissipation backing plate is fixed with a transverse plate, and the heat dissipation plate fully absorbs direct heat generated nearby lamp bead, and conduct to the inside of radiating block, the derivation that the heat that lets lamp pearl in the backlight give off can be timely to after the radiating block further transmits the heat to the inside of backing plate, the inside heat conduction silicone grease of backing plate can cool down as fast as possible, let radiating block and heating panel can long-time carry out the work of dispelling the heat, extension fixture's life.

Preferably, the internally mounted of mounting panel has ventilation structure, ventilation structure includes the protecting crust, the top of mounting panel is fixed with the protecting crust through the bolt, and the inside fan of ventilation structure can be bloied the space between mounting panel and the diaphragm, with higher speed the inside radiating rate of heat dissipation mechanism.

Preferably, a plurality of through-holes have been seted up to the top surface of protecting crust, the mounting groove has been seted up to the bottom of mounting panel, the mounting groove is fixed with the protecting crust and is communicated, and the fan can be installed to the inside of mounting groove, lets the fan can be smooth accomplish wind-force circulation through the through-hole.

Preferably, the inner surface welding of mounting groove has the fixed plate, the inside of fixed plate is fixed with the fan, and the installation fan that the fixed plate can be stable lets the fan can work smoothly.

Preferably, the bottom of mounting panel is passed through the bolt fastening and is had the connecting plate, the connecting plate is located the outside of mounting groove, the bottom equidistance of connecting plate is fixed with a plurality of horizontal poles, and the connecting plate can separate the fan with the external world with the horizontal pole, protects the fan.

Preferably, the reflection of light cup is installed at the top of fixing base, the internal surface fixation of reflection of light cup has the membrane of adding lustre to, the inside electric connection of installation base has the power cord, and the membrane of adding lustre to can strengthen light, increases the luminousness of backlight.

The utility model discloses an useful part lies in:

1. the utility model discloses a heating panel among the heat radiation structure carries out abundant absorption to the direct heat that produces near the lamp pearl to conduct to the inside of radiating block, let the heat that the lamp pearl in the backlight distributes export in time, and after the radiating block further transmits the heat to the inside of backing plate of dispelling the heat, the heat conduction silicone grease in the backing plate of dispelling the heat can cool down as fast as possible, let radiating block and heating panel can long-time carry out the heat dissipation work, extension fixture's life;

2. the utility model discloses a ventilation structure's design lets the inside fan of ventilation structure can blow to the space between mounting panel and the diaphragm, not only can help radiating block and the heat dissipation backing plate can be quick heat dissipation, lets the radiating efficiency of the inside heat dissipation mechanism of device improve greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of an internal structure of a first embodiment of a reflector cup;

FIG. 2 is a schematic top perspective view of the first embodiment;

FIG. 3 is a schematic side perspective view of the first embodiment;

FIG. 4 is a schematic view of a removal structure according to an embodiment;

fig. 5 is a schematic perspective view of the second embodiment.

In the figure: 1. mounting a plate; 2. a fixed seat; 3. installing a base; 4. a heat dissipating block; 5. a heat dissipation plate; 6. a lamp bead; 7. a cross bar; 8. a connecting plate; 9. heat-conducting silicone grease; 10. a recess; 11. a protective shell; 12. a light reflecting cup; 13. a brightness enhancement film; 14. a heat radiation backing plate; 15. a power line; 16. a fixing plate; 17. a fan; 18. mounting grooves; 19. a transverse plate; 20. and an outer heat dissipation ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a backlight source of a mobile phone with high transmittance includes a mounting plate 1 and a heat dissipation structure; the bottom of the mounting plate 1 is fixed with a mounting base 3, the top of the mounting plate 1 is provided with a fixing seat 2, the fixing seat 2 is fixedly communicated with the mounting base 3, the inside of the fixing seat 2 is fixed with a lamp bead 6, the bottom of the lamp bead 6 is fixedly connected with the mounting base 3, the heat dissipation structure comprises a heat dissipation block 4, the inside of the fixing seat 2 is provided with the heat dissipation block 4 in a penetrating way, the bottom end of the heat dissipation block 4 penetrates through the inside of the mounting plate 1 and extends to the lower part of the mounting plate 1, the top end of the heat dissipation block 4 is fixed with a heat dissipation plate 5, the heat dissipation plate 5 is positioned at one side of the lamp bead 6, the inner side of the bottom end of the heat dissipation block 4 is fixed with a heat dissipation backing plate 14, the inside of the heat dissipation backing plate 14 is provided with a notch 10, the notch 10 is positioned at the outer side of the mounting base 3, and the joint of the notch 10 and the mounting base 3 is filled with heat conduction silicone grease 9, the bottom of cooling pad 14 is fixed with diaphragm 19, in operation, when lamp pearl 6 carries out work, the produced heat of lamp pearl 6 self can be transmitted to heating panel 5 on, let heating panel 5 carry out abundant absorption to the direct heat that produces near lamp pearl 6, and conduct to the inside of radiating block 4, in time derive the heat that lamp pearl 6 distributed, and after heat transmission to the inside of cooling pad 14, the inside heat conduction silicone grease 9 of cooling pad 14 can cool down as fast as possible.

The internally mounted of mounting panel 1 has ventilation structure, ventilation structure includes protecting crust 11, there is protecting crust 11 at the top of mounting panel 1 through the bolt fastening, and during operation, the inside fan 17 of ventilation structure can blow to the space between mounting panel 1 and the diaphragm 19, accelerates the radiating rate of the inside heat dissipation mechanism of heat dissipation.

A plurality of through-holes have been seted up to the top surface of protecting crust 11, mounting groove 18 has been seted up to the bottom of mounting panel 1, mounting groove 18 and protecting crust 11 fixed intercommunication, the during operation, fan 17 passes through the stable inside of fixing at mounting groove 18 of fixed plate 16, lets fan 17 in mounting groove 18 can acquire the air smoothly through the through-hole and bloies, dispels the heat with higher speed.

The inner surface welding of mounting groove 18 has fixed plate 16, the inside of fixed plate 16 is fixed with fan 17, and during operation, fixed plate 16 can be stable installation fan 17, lets fan 17 can work smoothly.

The bottom of mounting panel 1 is passed through the bolt fastening and is had connecting plate 8, connecting plate 8 is located the outside of mounting groove 18, the bottom equidistance of connecting plate 8 is fixed with a plurality of horizontal poles 7, and the during operation, connecting plate 8 and horizontal pole 7 mutually perpendicular let fan 17 main wind-force transmit away through both sides, let the efficiency maximize of blowing.

Anti-light cup 12 is installed at the top of fixing base 2, the internal surface fixed of anti-light cup 12 has membrane 13 that adds lustre to, the inside electric connection of installation base 3 has power cord 15, and the during operation, anti-light cup 12 can get up the light gathering of lamp pearl 6, and membrane 13 that adds lustre to can strengthen light, increases the luminousness of backlight.

Example two

Referring to fig. 5, as another implementation manner of the present invention, in a first comparative example, an outer heat dissipation ring 20 is fixed on an outer surface of the reflective cup 12, and when the reflective cup is in operation, the outer heat dissipation ring 20 can dissipate heat of the reflective cup 12, so as to reduce heat in the backlight source as comprehensively as possible.

The theory of operation, when lamp pearl 6 carries out work, the produced heat of lamp pearl 6 self can be transmitted to heating panel 5 on, let heating panel 5 carry out abundant absorption to the direct heat that produces near lamp pearl 6, and the conduction is to the inside of radiating block 4, in time derive the heat that lamp pearl 6 distributed, and after heat transmission to the inside of backing plate 14, the inside heat conduction silicone grease 9 of backing plate 14 can cool down as fast as possible, then, the inside fan 17 of ventilation structure can blow to the space between mounting panel 1 and the diaphragm 19, the inside radiating rate of mechanism that dispels heat with higher speed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A cell-phone backlight of high luminousness which characterized in that: comprises a mounting plate (1) and a heat dissipation structure; the bottom of mounting panel (1) is fixed with installation base (3), fixing base (2) are installed at the top of mounting panel (1), fixing base (2) and installation base (3) are fixedly communicated, the inside of fixing base (2) is fixed with lamp pearl (6), the bottom of lamp pearl (6) is fixedly connected with installation base (3), heat radiation structure includes radiating block (4), radiating block (4) is installed to the inside of fixing base (2) through-going, the bottom of radiating block (4) runs through the inside of mounting panel (1) and extends to the below of mounting panel (1), the top of radiating block (4) is fixed with heating panel (5), heating panel (5) are located one side of lamp pearl (6), the bottom inboard of radiating block (4) is fixed with heat dissipation backing plate (14), notch (10) have been seted up to the inside of heat dissipation backing plate (14), the heat dissipation base plate is characterized in that the notch (10) is located on the outer side of the installation base (3), heat conduction silicone grease (9) is filled at the joint of the notch (10) and the installation base (3), and a transverse plate (19) is fixed at the bottom of the heat dissipation base plate (14).

2. A high transmittance mobile phone backlight source according to claim 1, wherein: the interior mounting of mounting panel (1) has ventilation structure, ventilation structure includes protecting sheathing (11), there is protecting sheathing (11) at the top of mounting panel (1) through the bolt fastening.

3. A high transmittance mobile phone backlight source according to claim 2, wherein: a plurality of through-holes have been seted up to the top surface of protecting crust (11), mounting groove (18) have been seted up to the bottom of mounting panel (1), mounting groove (18) and protecting crust (11) fixed intercommunication.

4. A high transmittance mobile phone backlight source according to claim 3, wherein: the inner surface welding of mounting groove (18) has fixed plate (16), the inside of fixed plate (16) is fixed with fan (17).

5. A high transmittance mobile phone backlight source according to claim 4, wherein: the bottom of mounting panel (1) is fixed with connecting plate (8) through the bolt, connecting plate (8) are located the outside of mounting groove (18), the bottom equidistance of connecting plate (8) is fixed with a plurality of horizontal poles (7).

6. A high transmittance mobile phone backlight source according to claim 5, wherein: the light-reflecting cup (12) is installed at the top of the fixed seat (2), the light-intensifying film (13) is fixed on the inner surface of the light-reflecting cup (12), and the power line (15) is electrically connected inside the installation base (3).