CN212723605U - Support frame, direct type backlight module and display device - Google Patents
Support frame, direct type backlight module and display device Download PDFInfo
- Publication number
- CN212723605U CN212723605U CN202021794586.0U CN202021794586U CN212723605U CN 212723605 U CN212723605 U CN 212723605U CN 202021794586 U CN202021794586 U CN 202021794586U CN 212723605 U CN212723605 U CN 212723605U
- Authority
- CN
- China
- Prior art keywords
- positioning
- back plate
- support
- plate
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model provides a support frame, straight following formula backlight unit and display device belongs to and shows technical field, and it can partially solve current support frame at least and can lead to shining the problem that light is inhomogeneous and cause the display defect on the diffuser plate. The utility model discloses a support frame for inject the relative position relation between backplate and the diffuser plate, the support frame includes: the positioning structure is connected with the back plate and used for limiting the relative position of the support frame and the back plate; and the supporting structure is fixedly connected with the positioning structure, is positioned between the limited back plate and the diffusion plate and is used for supporting the diffusion plate, and one end of the supporting structure, which is close to the diffusion plate, is provided with a diffuse reflection structure so that light emitted to one end of the supporting structure, which is close to the diffusion plate, can be subjected to diffuse reflection.
Description
Technical Field
The utility model belongs to the technical field of show, concretely relates to support frame, straight following formula backlight unit and display device.
Background
The direct type backlight technology is to directly place the backlight module under the liquid crystal panel, and the direct type backlight can make the backlight brightness of the liquid crystal television more uniform, and the picture is more exquisite and vivid.
In the existing direct type backlight module, the diffuser plate is supported by the middle frame around and placed above the back plate, and the diffuser plate is thin and has a large space with the back plate, and in order to prevent the middle of the diffuser plate from sinking and affecting the display picture, a support frame is often arranged in the middle of the diffuser plate to prevent the diffuser plate from deforming.
However, the supporting frame for supporting the diffusion plate in the prior art may cause non-uniformity of light irradiated on the diffusion plate, thereby causing defects in the display image of the display panel, such as occurrence of shadows.
SUMMERY OF THE UTILITY MODEL
The utility model discloses at least part solution current support frame can lead to shining the inhomogeneous problem that causes the display defect of light on the diffuser plate, provides one kind and avoids causing the display defect's support frame owing to shine the inhomogeneous light on the diffuser plate.
Solve the utility model discloses technical scheme that technical problem adopted is a support frame for inject the relative position relation between backplate and the diffuser plate, the support frame includes: the positioning structure is connected with the back plate and used for limiting the relative position of the supporting frame and the back plate; and the supporting structure is fixedly connected with the positioning structure, is positioned between the limiting back plate and the diffusion plate and is used for supporting the diffusion plate, and one end of the supporting structure, which is close to the diffusion plate, is provided with a diffuse reflection structure so that light emitted to one end of the supporting structure, which is close to the diffusion plate, can be subjected to diffuse reflection.
It is further preferred that the diffuse reflection structure is a plurality of grooves distributed at intervals.
It is further preferred that the support structure is in a truncated cone shape, a first end of the support structure is connected with the positioning structure, and an end surface of a second end is an arc surface with a plurality of grooves; the distribution density of the grooves is greater proximate to the axis of the support structure than distal to the axis of the support structure.
It is further preferred that the positioning structure and/or the support structure is formed from a resilient material.
It is further preferred that the support frame is formed of a transparent material.
Further preferably, the support frame is integrally formed.
It is further preferred that the back plate has mounting holes; the positioning structure penetrates through the mounting hole to be connected with the back plate.
Further preferably, the positioning structure includes: the first positioning substructure is columnar, at least part of the first positioning substructure penetrates through the mounting hole of the back plate, and the cross-sectional area of the first positioning substructure arranged in the mounting hole is matched with the shape of the mounting hole.
Further preferably, the positioning structure further includes: the second positioning substructure comprises at least two first rods and at least two second rods, the first rods are located on one side, far away from the diffusion plate, of the back plate, one end of each first rod is connected with the first end of the first positioning substructure, an acute angle is formed between each first rod and the first positioning substructure, the other end of each first rod is in contact with the back plate, the second rods are located on one side, close to the diffusion plate, of the back plate, one end of each second rod is connected with the second end of the first positioning substructure, and each second rod is at least partially in contact with the back plate.
Solve the utility model discloses technical scheme that technical problem adopted is a straight following formula backlight unit, include: the support frame, the support frame adopts any one of the above-mentioned support frame.
Solve the utility model discloses technical scheme that technical problem adopted is a display device, include: the direct type backlight module adopts the direct type backlight module.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a supporting frame according to an embodiment of the present invention;
fig. 2 is a perspective view of a supporting frame according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a diffuse reflection structure of a support frame according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a direct type backlight module according to an embodiment of the present invention;
wherein the reference numerals are: 1. a support frame; 11. a support structure; 12. a first locator sub-structure; 121. a first lever; 122. a second lever; 2. a back plate; 21. mounting holes; 3. a diffusion plate; 4. a groove; 5. a middle frame; 6. A light source.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. Moreover, certain well-known elements may not be shown in the figures.
Numerous specific details of the invention, such as structure, materials, dimensions, processing techniques and techniques of components, are set forth in the following description in order to provide a more thorough understanding of the invention. However, as will be understood by those skilled in the art, the present invention may be practiced without these specific details.
Example 1:
as shown in fig. 1 to 4, the present embodiment provides a support frame 1 for defining a relative position relationship between a back plate 2 and a diffusion plate 3, wherein the support frame 1 includes a positioning structure and a support structure 11. The positioning structure is used for being connected with the back plate 2 and limiting the relative position of the support frame 1 and the back plate 2; and a support structure 11 fixedly connected to the positioning structure, wherein the support structure 11 is located between the back plate 2 and the diffusion plate 3 and is used for supporting the diffusion plate 3, and one end of the support structure 11 close to the diffusion plate 3 is provided with a diffuse reflection structure so that light emitted to one end of the support structure 11 close to the diffusion plate 3 can be diffusely reflected.
It should be noted that, as shown in fig. 4, the supporting frame 1 of the present embodiment is applied to a direct type backlight module, and the direct type backlight module at least includes a back plate 2, a middle frame 5, a diffusion plate 3, and a light source 6. Wherein, the diffusion plate 3 is supported above the housing 2 by the middle frame 5, the light source 6 is mounted on the housing 2, in order to make the light emitted from the light source 6 uniformly irradiate the diffusion plate 3, the diffusion plate 3 is thin and has a space with the housing 2, and the diffusion plate 3 is thin and has a large area. The supporting frame 1 of the present embodiment is provided to prevent the middle of the diffusion plate 3 from being depressed and affecting the display screen.
Specifically, the positioning structure of the supporting frame 1 is mainly used to fix the supporting frame 1 on the back plate 2, so that the supporting structure 11 of the supporting frame 1 can be located between the back plate 2 and the diffusion plate 3. It should be noted that the connection between the supporting frame 1 and the back plate 2 can be achieved by providing a groove 4 or a through hole on the back plate 2, or other suitable connection methods, which are not listed here.
When the diffuser plate 3 above the housing 2 is not deformed (depressed), the end of the support structure 11 close to the diffuser plate 3 has a small distance (e.g., 0.2mm) from the diffuser plate 3, and only when the diffuser plate 3 is deformed, the end of the support structure 11 close to the diffuser plate 3 contacts the diffuser plate 3 to support the diffuser plate 3.
The diffuse reflection structure at the end of the supporting structure 11 close to the diffusion plate 3 of the present embodiment can make the light emitted from the light source 6 diffuse reflect, so that the light reflected by the end of the supporting structure 11 close to the diffusion plate 3 can be emitted to the diffusion plate 3 uniformly, thereby avoiding the display defects, such as occurrence of shadows, caused by non-uniform light on the diffusion plate 3.
Preferably, the diffuse reflection structure is a plurality of grooves 4 distributed at intervals.
Wherein the shape of each groove 4 is small relative to the support structure 11 of the support 1, and the end surface of the support structure 11 near the diffuser plate 3 is macroscopically observed to be non-smooth.
Preferably, the supporting structure 11 is in a truncated cone shape, a first end of the supporting structure 11 is connected with the positioning structure, and an end surface of a second end is an arc surface with a plurality of grooves 4; the distribution density of the grooves 4 close to the axis of the support structure 11 is greater than the distribution density of the grooves 4 far from the axis of the support structure 11.
Among them, as shown in fig. 3 (the arrow line in fig. 3 indicates the light relay path), since light reflected from a position close to the axis of the support structure 11 is more easily intensively irradiated on the diffuser plate 3, and a degree of concentration of light reflected from a position away from the axis of the support structure 11 is relatively weak, when the distribution density of the grooves 4 close to the axis of the support structure 11 is greater than the distribution density of the grooves 4 away from the axis of the support structure 11, it is possible to make the light reflected from the support structure 11 to the diffuser plate 3 more uniform.
Preferably, the positioning structure and/or the support structure 11 is formed of an elastic material.
In particular, the elastic material may be a rubber material, or other suitable elastic material.
The utility model provides a condition is that only location structure is formed by elastic material to play the cushioning effect to being connected of backplate 2 and support frame 1, under the backlight unit that has this support frame 1 circumstances such as removes, can avoid the harm of support frame 1 to backplate 2, and be convenient for assemble with backplate 2.
In one case, only the support structure 11 is made of an elastic material, so that the support frame 1 can buffer the support of the diffusion plate 3, and damage to the diffusion plate 3 due to friction of the support frame 1 can be avoided when the backlight module with the support frame 1 moves.
The situation is that the positioning structure and the supporting structure 11 are both made of elastic materials, so that the connection between the back plate 2 and the supporting frame 1 is buffered, the supporting frame 1 is used for supporting the diffusion plate 3 to play a buffering role, and the damage of the supporting frame 1 to the back plate 2 and the diffusion plate 3 can be avoided under the conditions of movement and the like of the backlight module with the supporting frame 1.
Preferably, the support 1 is formed of a transparent material.
Wherein, because the backplate 2 is last to distribute light source 6 (like the lamp strip), diffuser plate 3 need be shone to the light of light source 6 to realize backlight unit's performance. The support frame 1 may block the light from the light source 6 from being incident on the diffusion plate 3, so that the support frame 1 is made of a transparent material to prevent the support frame 1 from blocking the light from the light source 6, thereby ensuring the performance of the backlight module.
Preferably, the support frame 1 is integrally formed.
When the support frame 1 is made of elastic material, the support frame 1 is formed through a molding process, i.e. is integrally molded.
Therefore, the preparation method of the support frame 1 is simple, and the support frame 1 is not easy to damage and the performance of the support frame is ensured.
Preferably, the back plate 2 has mounting holes 21; the positioning structure is connected with the back plate 2 through the mounting hole 21.
Wherein the positioning structure is connected to the back plate 2 through the mounting holes 21 on the back plate 2. For example, the locating structure may be a snap fit in the mounting hole 21, or other suitable form of attachment.
Preferably, the positioning structure comprises: the first positioning substructure 12 is columnar, at least partially penetrates through the mounting hole 21 of the back plate 2, and the cross-sectional area of the first positioning substructure 12 arranged in the mounting hole 21 is matched with the shape of the mounting hole 21.
In particular, the first positioning sub-structure 12 has a portion matching the shape of the mounting hole 21, when the portion is located in the mounting hole 21, such that the first positioning sub-structure 12 cannot move in a direction parallel to the back panel 2 relative to the back panel 2, i.e. the first positioning sub-structure 12 is for limiting the movement of the support frame 1 relative to the back panel 2 in a direction parallel to the back panel 2.
It should be noted that the shape of the mounting hole 21 may be any shape as long as it matches with the cross section of the first positioning sub-structure 12, and is not limited herein.
Preferably, the positioning structure further comprises: the second positioning sub-structure includes at least two first rods 121 and at least two second rods 122, the first rods 121 are located on one side of the housing 2 away from the diffuser plate 3, one end of each first rod 121 is connected to the first end of the first positioning sub-structure 12, an acute angle is formed between each first rod 121 and the first positioning sub-structure 12, the other end of each first rod 121 contacts the housing 2, the second rods 122 are located on one side of the housing 2 close to the diffuser plate 3, one end of each second rod 122 is connected to the second end of the first positioning sub-structure 12, and each second rod 122 at least partially contacts the housing 2.
As shown in fig. 2, at least part of the back plate 2 is located between the first rod 121 and the second rod 122, and the force is simultaneously applied to the back plate 2 by the first rod 121 and the second rod 122, so that the second positioning sub-structure defines a movement of the support frame 1 relative to the back plate 2 in a direction perpendicular to the back plate 2.
Specifically, the first rod 121 and the first positioning sub-structure 12 form an acute angle therebetween, so that the end of the first rod 121 directly contacts the back plate 2; the second rod 122 is approximately at a right angle with the first positioning substructure 12, and the second rod 122 may not be a straight rod, that is, a section difference is formed between a portion of the second rod 122 far from the first positioning substructure 12 and a portion close to the first positioning substructure 12, and a portion of the second rod 122 far from the first positioning substructure 12 is closer to the back panel 2, so that a portion directly contacting with the back panel 2 is a portion of the second rod 122 far from the first positioning substructure 12.
Further, the first rods 121 and the second rods 122 are evenly distributed, so that the position between the support frame 1 and the back plate 2 can be better defined. Preferably, the number of the first bars 121 and the second bars 122 is two, respectively.
Preferably, the size of the support frame 1 of the present embodiment may be: the further the distance between the second end of the support structure 11 and the first end of the first positioning sub-structure 12 is 15.6mm, the cross-sectional diameter of the second end of the support structure 11 is about 1.15mm, the cross-sectional diameter of the first end of the first positioning sub-structure 12 is about 2.2mm, and the maximum dimension of the support frame 1 in the direction parallel to the back plate is about 146.4 mm.
Example 2:
as shown in fig. 1 to 4, the present embodiment provides a direct type backlight module, including: support 1, support 1 used in example 1.
Specifically, the direct type backlight module at least comprises: a back plate 2, a middle frame 5, a diffusion plate 3, a light source 6, a glue frame (not shown), and a glue frame (not shown). Wherein, the diffusion plate 3 is supported above the housing 2 by the middle frame 5, the light source 6 is mounted on the housing 2, in order to make the light emitted from the light source 6 uniformly irradiate the diffusion plate 3, the diffusion plate 3 is thin and has a space with the housing 2, and the diffusion plate 3 is thin and has a large area. The supporting frame 1 of the present embodiment is provided to prevent the middle of the diffusion plate 3 from being depressed and affecting the display screen.
The direct type backlight module comprises the following assembly steps: installing a light source 6 on the back plate 2 by adopting a heat-conducting double-sided adhesive tape; then the support frame 1 is arranged in a mounting hole 21 reserved on the back plate 2; installing a glue discharging frame; the diffusion plate 3 is arranged above the back plate 2 through the support of the middle frame 5 to the edge part; and finally, covering the rubber frame.
In the direct-type backlight module of this embodiment, the diffuse reflection structure at the end of the support structure 11 close to the diffuser plate 3 enables the light emitted from the light source 6 to undergo diffuse reflection, so that the light reflected by the end of the support structure 11 close to the diffuser plate 3 can be emitted to the diffuser plate 3 uniformly, thereby avoiding the display defects caused by the non-uniform light emitted on the diffuser plate 3, such as occurrence of shadows.
It should be noted that, due to the arrangement of the supporting frame, the diffusion plate 3 in the direct type backlight module of the present embodiment can be arranged thinner (e.g. 1.5mm), and the area of the supporting position of the edge is smaller (the width of the wider support of the diffusion plate 3 can be 2.8mm), so the direct type backlight module of the present embodiment is more suitable for a high resolution display device, such as an 8K resolution display device.
Example 3:
as shown in fig. 1 to 4, the present embodiment provides a display device including: the direct-type backlight module of embodiment 2 is adopted as the direct-type backlight module.
Wherein, display device still includes: the liquid crystal module is positioned above the direct type backlight module and used for displaying.
Specifically, the display device can be any product or component with a display function, such as a liquid crystal display panel, electronic paper, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In accordance with the embodiments of the present invention as set forth above, these embodiments are not exhaustive and do not limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention and its various embodiments with various modifications as are suited to the particular use contemplated. The present invention is limited only by the claims and their full scope and equivalents.
Claims (11)
1. A support bracket for defining a relative positional relationship between a backplate and a diffuser plate, the support bracket comprising:
the positioning structure is connected with the back plate and used for limiting the relative position of the supporting frame and the back plate;
and the supporting structure is fixedly connected with the positioning structure, is positioned between the limiting back plate and the diffusion plate and is used for supporting the diffusion plate, and one end of the supporting structure, which is close to the diffusion plate, is provided with a diffuse reflection structure so that light emitted to one end of the supporting structure, which is close to the diffusion plate, can be subjected to diffuse reflection.
2. A support according to claim 1, wherein the diffuse reflective structure is a plurality of spaced apart grooves.
3. The support bracket of claim 2 wherein said support structure is frusto-conical in shape, a first end of said support structure being connected to said locating structure and a second end having an arcuate face with a plurality of said recesses;
the distribution density of the grooves is greater proximate to the axis of the support structure than distal to the axis of the support structure.
4. The support bracket of claim 1 wherein the locating structure and/or the support structure is formed from a resilient material.
5. The support bracket of claim 1 wherein said support bracket is formed of a transparent material.
6. The support bracket of claim 1 wherein said support bracket is integrally formed.
7. The support bracket of claim 1 wherein said back plate has mounting holes;
the positioning structure penetrates through the mounting hole to be connected with the back plate.
8. The support bracket of claim 7 wherein said positioning structure comprises:
the first positioning substructure is columnar, at least part of the first positioning substructure penetrates through the mounting hole of the back plate, and the cross-sectional area of the first positioning substructure arranged in the mounting hole is matched with the shape of the mounting hole.
9. The support bracket of claim 8 wherein said positioning structure further comprises:
the second positioning substructure comprises at least two first rods and at least two second rods, the first rods are located on one side, far away from the diffusion plate, of the back plate, one end of each first rod is connected with the first end of the first positioning substructure, an acute angle is formed between each first rod and the first positioning substructure, the other end of each first rod is in contact with the back plate, the second rods are located on one side, close to the diffusion plate, of the back plate, one end of each second rod is connected with the second end of the first positioning substructure, and each second rod is at least partially in contact with the back plate.
10. A direct type backlight module is characterized by comprising: the support frame, the support frame adopts the support frame of any one of the above claims 1 to 9.
11. A display device, comprising: a direct type backlight module employing the direct type backlight module of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794586.0U CN212723605U (en) | 2020-08-25 | 2020-08-25 | Support frame, direct type backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794586.0U CN212723605U (en) | 2020-08-25 | 2020-08-25 | Support frame, direct type backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212723605U true CN212723605U (en) | 2021-03-16 |
Family
ID=74924441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021794586.0U Active CN212723605U (en) | 2020-08-25 | 2020-08-25 | Support frame, direct type backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212723605U (en) |
-
2020
- 2020-08-25 CN CN202021794586.0U patent/CN212723605U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100492134C (en) | Planar light source unit and liquid crystal display device using the unit | |
| US8154682B2 (en) | Backlight unit and liquid crystal display device having the same | |
| US7929073B2 (en) | Liquid crystal display module and method for assembling the same | |
| JPH1068857A (en) | Filter device | |
| KR20080007817A (en) | Diffuser plate assembly and backlight assembly comprising the same | |
| CN102102831A (en) | Backlight unit and liquid crystal display device having the same | |
| KR101644002B1 (en) | Backlight unit and display apparatus comprising the same | |
| US9823509B2 (en) | Display device | |
| US10345511B2 (en) | Backlight source module and display device | |
| AU2013379045B2 (en) | Light sensor attachment structure of image display device | |
| CN103244909A (en) | Supporting member for backlight unit, backlight unit and image display apparatus | |
| WO2015135240A1 (en) | Backlight module and liquid crystal display apparatus using backlight module | |
| WO2023202646A1 (en) | Backlight module and display device | |
| US10545362B2 (en) | Display device | |
| CN111880339A (en) | Support frame, direct type backlight module and display device | |
| JP2004039476A (en) | Backlight device and liquid crystal display device | |
| CN212723605U (en) | Support frame, direct type backlight module and display device | |
| US8057058B2 (en) | Lighting device for display device, display device and television receiver | |
| JP6007330B2 (en) | Display device | |
| KR101284170B1 (en) | Hollow mold for receiving liquid crystal panel and diffuser plate, and liquid crystal display device comprising the same | |
| TW200530705A (en) | Backlight unit for liquid crystal display device | |
| CN215340620U (en) | Bracket component of backlight module, backlight module and electronic equipment | |
| JP2018180103A (en) | Display device | |
| KR101323548B1 (en) | Backlight assembly and liquid crystal display device having the same | |
| KR100589780B1 (en) | Supporter for lcd panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |