CN217113698U - Backlight module and electronic equipment - Google Patents
Backlight module and electronic equipment Download PDFInfo
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- CN217113698U CN217113698U CN202220578007.1U CN202220578007U CN217113698U CN 217113698 U CN217113698 U CN 217113698U CN 202220578007 U CN202220578007 U CN 202220578007U CN 217113698 U CN217113698 U CN 217113698U
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Abstract
The embodiment of the utility model discloses backlight module, include: the backlight module comprises a backlight iron frame, a reflecting layer, a light guide plate layer, a light intensifying layer, a protective layer, a backlight and a heat dissipation layer; the lower part of the heat dissipation layer is attached to the backlight iron frame, and the upper part of the heat dissipation layer is attached to the backlight. The embodiment of the utility model provides a still disclose an electronic equipment, directly link backlight and chase in a poor light through the heat dissipation layer, can make the heat in a poor light directly conduct the chase in a poor light through the heat dissipation layer and release on, need not pass through air conduction, the radiating efficiency is higher.
Description
Technical Field
The utility model relates to an electronic equipment technical field especially relates to a backlight unit and electronic equipment.
Background
The power consumption of the display module mainly consists of backlight power consumption and IC power consumption, and the backlight power consumption accounts for most of the whole power consumption (about 80% -95%). As the requirement of the terminal client on the brightness is increased, the backlight power consumption is also increased, and the higher the power consumption is, the greater the heat generation is, so that the heat dissipation requirement on the backlight module is higher and higher.
The prior art is attached the graphite flake on backlight chase of backlight unit, but because the structure is limited, the graphite flake can not directly be attached on being shaded, therefore the graphite flake can not fine play a role. And the graphite flake is attached to the backlight iron frame, so that the effective grounding area of the backlight iron frame is reduced, and the releasing of static electricity and the grounding shielding effect are seriously influenced.
Therefore, how to dissipate heat with high efficiency and without affecting the effective grounding area of the backlight iron frame becomes a technical problem to be solved urgently in the industry.
Disclosure of Invention
In order to solve the technical problem at least, the utility model provides an aim at provides a backlight unit directly links backlight and chase in a poor light through the heat dissipation layer, can make the heat of being shaded directly conduct the chase in a poor light through the heat dissipation layer and release on, need not pass through air conduction, and the radiating efficiency is higher.
In order to achieve the above object, an embodiment of the present invention provides a backlight module, including;
the backlight iron frame comprises a semi-closed structure, and the semi-closed structure comprises a U-shaped structure;
the reflecting layer is arranged on the bottom layer of the backlight iron frame with the U-shaped structure;
the light guide plate layer is arranged on the upper part of the reflecting layer;
the light enhancement layer is arranged on the upper part of the light guide plate layer;
the protective layer is arranged on the upper part of the light enhancement layer;
the reflecting layer, the light guide plate layer and the light intensifying layer are uniformly distributed in the backlight iron frame;
glue frames are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the backlight iron frame, and gaps are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the glue frames;
the protective layer, the rubber frame and the backlight iron frame form a closed structure together, and the closed structure surrounds the reflecting layer, the light guide plate layer and the light intensifying layer;
the gap is provided with a backlight and a heat dissipation layer, the lower part of the heat dissipation layer is attached to the backlight iron frame, and the upper part of the heat dissipation layer is attached to the backlight.
In an exemplary embodiment, the heat dissipation layer is further provided with an extension portion, and the extension portion is disposed between the backlight bezel and the reflection layer.
In an exemplary embodiment, the reflective layer has a size that corresponds to a size of the light guide plate layer.
In an exemplary embodiment, the heat dissipation layer includes a heat dissipation membrane including thermally conductive silicone grease.
In an exemplary embodiment, the thermally conductive silicone grease includes thermally conductive particles having a diameter including 5um to 70 um.
In an exemplary embodiment, the diameter of the thermally conductive particles further includes 20 um.
In an exemplary embodiment, the backlight bezel further includes graphene.
In an exemplary embodiment, the backlight includes LEDs.
In an exemplary embodiment, the glue frame includes a backlight shading glue.
In order to achieve the above object, an embodiment of the present invention further provides an electronic device, which includes the above backlight module.
The utility model discloses backlight module, include: the backlight iron frame comprises a semi-closed structure, and the semi-closed structure comprises a U-shaped structure; the reflecting layer is arranged on the bottom layer of the backlight iron frame with the U-shaped structure; the light guide plate layer is arranged on the upper part of the reflecting layer; the light enhancement layer is arranged on the upper part of the light guide plate layer; the protective layer is arranged on the upper part of the light enhancement layer; the reflecting layer, the light guide plate layer and the light intensifying layer are uniformly distributed in the backlight iron frame; glue frames are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the backlight iron frame, and gaps are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the glue frames; the protective layer, the rubber frame and the backlight iron frame form a closed structure together, and the closed structure surrounds the reflecting layer, the light guide plate layer and the light intensifying layer; the gap is provided with a backlight and a heat dissipation layer, the lower part of the heat dissipation layer is attached to the backlight iron frame, and the upper part of the heat dissipation layer is attached to the backlight. The backlight module provided by the embodiment of the utility model has the advantages that the backlight and the backlight iron frame are directly connected through the heat dissipation layer, so that the heat of the backlight can be directly conducted to the backlight iron frame through the heat dissipation layer to be released, and the heat dissipation efficiency is higher without air conduction; the thickness of the heat-conducting silicone grease is designed, so that the heat-radiating layer is thinner, and the heat-conducting property is better; the heat dissipation layer is arranged between the reflection layer and the backlight iron frame, and the performance of the backlight module is not influenced; the backlight iron frame comprises the graphene design, so that the heat conduction performance of the backlight iron frame can be accelerated; the cost increase caused by pasting graphite sheets on the back of the backlight iron frame in the prior art is avoided, and the effective grounding area of the backlight iron frame is not influenced; after the backlight module is assembled with the middle frame of the mobile phone, the effective contact area between the backlight of the backlight module and the middle frame of the terminal is increased, and the electrostatic conduction and grounding shielding effects of the whole mobile phone are improved; the improvement of radiating effect, very big extension backlight unit's life again, and then promoted market competition.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, reference will now be made briefly to the attached drawings, which are needed in the description of one or more embodiments or prior art, and it should be apparent that the drawings in the description below are only some of the embodiments described in the specification, and that other drawings may be obtained by those skilled in the art without inventive exercise.
Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present invention.
Description of reference numerals:
101-backlight iron frame; 102-a reflective layer; 103-a light guide plate layer; 104-a light-enhancing layer; 105-a protective layer; 106-a rubber frame; 107-backlight; 108-a heat sink layer; 109-extension.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The embodiment of the utility model provides a backlight module, include;
the backlight iron frame comprises a semi-closed structure, and the semi-closed structure comprises a U-shaped structure;
the reflecting layer is arranged on the bottom layer of the backlight iron frame with the U-shaped structure;
the light guide plate layer is arranged on the upper part of the reflecting layer;
the light enhancement layer is arranged on the upper part of the light guide plate layer;
the protective layer is arranged on the upper part of the light enhancement layer;
the reflecting layer, the light guide plate layer and the light intensifying layer are uniformly distributed in the backlight iron frame;
glue frames are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the backlight iron frame, and gaps are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the glue frames;
the protective layer, the rubber frame and the backlight iron frame form a closed structure together, and the closed structure surrounds the reflecting layer, the light guide plate layer and the light intensifying layer;
the gap is provided with a backlight and a heat dissipation layer, the lower part of the heat dissipation layer is attached to the backlight iron frame, and the upper part of the heat dissipation layer is attached to the backlight.
Example 1
Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present invention, and the backlight module according to an embodiment of the present invention will be described in detail with reference to fig. 1.
The utility model discloses backlight module, include: a backlight iron frame 101, a reflecting layer 102, a light guide plate layer 103, a light intensifying layer 104, a protective layer 105, a backlight 107 and a heat dissipation layer 108.
In some exemplary embodiments, the backlight bezel 101 comprises a semi-enclosed structure.
In some exemplary embodiments, the semi-enclosed structure comprises a U-shaped structure.
In some exemplary embodiments, the backlight bezel 101 is used to support a backlight 107.
In some exemplary embodiments, the backlight bezel 101 may also be used as a common ground for the backlight module.
In some exemplary embodiments, the reflective layer 102 is disposed on the bottom layer of the backlight bezel 101 in a U-shaped configuration.
In some exemplary embodiments, the reflective layer 102 comprises a reflective film.
In some exemplary embodiments, the light guide plate layer 103 is disposed on the upper portion of the reflective layer 102.
In some exemplary embodiments, the light guide plate layer 103 includes a light guide plate.
In some exemplary embodiments, the light guide plate includes an optical-grade acrylic plate.
In some exemplary embodiments, the light guide plate includes light guide points.
In some exemplary embodiments, the light guide plate (light guide plate) is printed with light guide dots by laser engraving, V-cross grid engraving, and UV screen printing on the bottom surface of the optical-grade acrylic plate.
In some exemplary embodiments, the arrangement rule of the light guide points includes regular and irregular arrangement structures.
In some exemplary embodiments, the light emitted from the backlight 107 is absorbed by the optical acrylic sheet and stays on the surface of the optical acrylic sheet, and when the light reaches each light guiding point, the reflected light is diffused to each angle, and then the reflection condition is destroyed to be emitted from the front surface of the light guide plate.
In some exemplary embodiments, the light intensifying layer 104 is disposed on the upper portion of the light guide plate layer 103.
In some exemplary embodiments, the light enhancement layer 104 includes an upper light enhancement layer and a lower light enhancement layer.
In some exemplary embodiments, the upper prism layer includes an upper prism film.
In some exemplary embodiments, the lower prism layer includes a lower prism film.
In some exemplary embodiments, a diffusion film layer (not shown) is further disposed between the light enhancing layer 104 and the light guide plate layer 103.
In some exemplary embodiments, the diffusion membrane layer comprises a diffusion membrane.
In some exemplary embodiments, the protective layer 105 is disposed on top of the light enhancement layer 104.
In some exemplary embodiments, the protective layer 105 includes a protective film.
In some exemplary embodiments, the reflective layer 102, the light guide plate layer 103, and the light intensifying layer 104 are all disposed within the backlight bezel 101.
In some exemplary embodiments, a glue frame 106 is disposed between the reflective layer 102, the light guide plate layer 103, and the light intensifying layer 104 and the backlight bezel 101.
In some exemplary embodiments, the glue frame 106 includes a backlight shading glue.
In some exemplary embodiments, a gap is provided between the reflective layer 102, the light guide plate layer 103, and the prism layer 104 and the adhesive frame 106.
In some exemplary embodiments, the protective layer 105, the adhesive frame 106, and the backlight bezel 101 together form an enclosed structure.
In some exemplary embodiments, an enclosed structure surrounds the reflective layer 102, the light guide plate layer 103, and the prism layer 104.
In some exemplary embodiments, a backlight 107 and a heat dissipation layer 108 are disposed in the void.
In some exemplary embodiments, the backlight 107 includes LEDs.
In some exemplary embodiments, the heat dissipation layer 108 is attached to the backlight bezel 101 at the lower portion.
In some exemplary embodiments, an upper portion of the heat dissipation layer 108 is affixed to the backlight 107 (i.e., the heat dissipation layer 108 directly connects the backlight 107 and the backlight bezel 101).
In some exemplary embodiments, the heat dissipation layer 108 is further provided with an extension 109, and the extension 109 is disposed between the backlight bezel 101 and the reflective layer 102 (the extension 109 of the heat dissipation layer 108 is slightly thinner than the heat dissipation layer 108).
In some exemplary embodiments, the heat dissipation layer 108 includes a heat dissipation membrane.
In some exemplary embodiments, the heat dissipation membrane comprises a thermally conductive silicone grease.
In some exemplary embodiments, the thermally conductive silicone grease includes thermally conductive particles.
In some exemplary embodiments, the diameter of the thermally conductive particles comprises 5um to 70 um.
In some exemplary embodiments, the diameter of the thermally conductive particles further includes 20 um.
In some exemplary embodiments, the thermally conductive silicone grease further comprises a combined arrangement of 5um, 20um, and 70um diameter thermally conductive particles.
In some exemplary embodiments, the size of the reflective layer 102 is the same as the size of the light guide plate layer 103 (i.e., the end of the reflective layer 102 near the backlight 107 is flush with the light guide plate layer 103).
In some exemplary embodiments, the backlight bezel 101 further includes graphene (e.g., graphene particles are added to the backlight bezel 101, etc.).
In some exemplary embodiments, since graphene has a super heat conducting characteristic, heat can be quickly conducted out through the entire backlight bezel 101.
In some exemplary embodiments, compared with the existing design of attaching graphite sheets to the back surface of the backlight bezel 101, the backlight module according to the embodiments of the present invention saves labor costs caused by graphite sheet materials and attaching graphite sheet materials, and simultaneously maintains the entire effective grounding area of the backlight bezel 101; and the backlight 107 and the backlight iron frame 101 are directly connected through the heat dissipation layer 108, the heat conduction efficiency is faster than that of the heat conduction through an air medium.
In some exemplary embodiments, after the backlight module according to the embodiments of the present invention is assembled with the middle frame of the terminal, the contact area between the backlight 107 of the backlight module and the middle frame of the terminal is increased, thereby improving the electrostatic conduction and the grounding shielding effect of the terminal.
Example 2
Embodiment 2 is a display module according to the present invention, which includes the backlight module in the above embodiments.
In some exemplary embodiments, the utility model discloses display module assembly when having improved display module assembly radiating efficiency, has still guaranteed the effective ground area of iron frame in a poor light.
Embodiment 3 is a display device according to an embodiment of the present invention, which includes the backlight module in the above embodiments.
In some exemplary embodiments, the display device according to the embodiments of the present invention further includes the display module according to the above embodiments.
In some exemplary embodiments, the display device of the embodiment of the present invention avoids the occurrence of the problem of low heat dissipation efficiency of the display module.
In some exemplary embodiments, the display device of the embodiments of the present invention further avoids the occurrence of the problem of reducing the effective grounding area of the backlight bezel caused by the heat dissipation in the backlight, thereby improving the electrostatic conduction and grounding shielding effect.
Example 4
The utility model discloses electronic equipment's structure, at the hardware level, this electronic equipment includes the treater, still includes bus, network interface, memory optionally. The Memory may include a Memory, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory, such as at least 1 disk Memory. Of course, the electronic device may also include hardware required for other services.
The processor, the network interface, and the memory may be connected to each other via a bus, which may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc.
And the memory is used for storing programs. In particular, the program may include program code including computer operating instructions.
In some exemplary embodiments, the electronic device includes the backlight module of the above embodiments.
In some exemplary embodiments, the electronic device includes the display module of the above embodiments.
In some exemplary embodiments, the electronic device includes the display device of the above-described embodiments.
In some exemplary embodiments, the electronic device includes a display device (e.g., a smartphone) with a display module.
Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A backlight module, comprising:
the backlight iron frame comprises a semi-closed structure, and the semi-closed structure comprises a U-shaped structure;
the reflecting layer is arranged on the bottom layer of the backlight iron frame of the U-shaped structure;
the light guide plate layer is arranged on the upper part of the reflecting layer;
the light enhancement layer is arranged on the upper part of the light guide plate layer;
the protective layer is arranged on the upper part of the light enhancing layer;
the reflecting layer, the light guide plate layer and the light intensifying layer are uniformly distributed in the backlight iron frame;
glue frames are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the backlight iron frame, and gaps are arranged among the reflecting layer, the light guide plate layer, the light intensifying layer and the glue frames;
the protective layer, the rubber frame and the backlight iron frame jointly form a closed structure, and the closed structure surrounds the reflecting layer, the light guide plate layer and the light intensifying layer;
the backlight and the heat dissipation layer are arranged in the gap, the lower portion of the heat dissipation layer is attached to the backlight iron frame, and the upper portion of the heat dissipation layer is attached to the backlight.
2. The backlight module as claimed in claim 1, wherein the heat dissipation layer further comprises an extension portion disposed between the backlight bezel and the reflective layer.
3. The backlight module according to claim 2, wherein the reflective layer has a size corresponding to that of the light guide plate layer.
4. The backlight module of claim 3, wherein the heat dissipation layer comprises a heat dissipation film comprising a thermally conductive silicone grease.
5. The backlight module as claimed in claim 4, wherein the thermal grease comprises thermal particles, and the diameter of the thermal particles comprises 5um-70 um.
6. The backlight module of claim 5, wherein the diameter of the thermally conductive particles further comprises 20 um.
7. The backlight module as claimed in claim 6, wherein the backlight bezel further comprises graphene.
8. The backlight module of claim 7, wherein the backlight comprises LEDs.
9. The backlight module as claimed in claim 8, wherein the adhesive frame comprises a backlight shielding adhesive.
10. An electronic device, comprising the backlight module of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220578007.1U CN217113698U (en) | 2022-03-16 | 2022-03-16 | Backlight module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220578007.1U CN217113698U (en) | 2022-03-16 | 2022-03-16 | Backlight module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217113698U true CN217113698U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220578007.1U Active CN217113698U (en) | 2022-03-16 | 2022-03-16 | Backlight module and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN217113698U (en) |
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- 2022-03-16 CN CN202220578007.1U patent/CN217113698U/en active Active
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