CN210324960U - Back plate, backlight module and display panel - Google Patents
Back plate, backlight module and display panel Download PDFInfo
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- CN210324960U CN210324960U CN201921065213.7U CN201921065213U CN210324960U CN 210324960 U CN210324960 U CN 210324960U CN 201921065213 U CN201921065213 U CN 201921065213U CN 210324960 U CN210324960 U CN 210324960U
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Abstract
The utility model provides a backplate, backlight unit and display panel belongs to and shows technical field. This backplate is including being used for with the joint spare of gluey frame joint portion joint, the one side that the bottom plate was kept away from to the curb plate is located to the joint spare, including link and elasticity end, the link is fixed on the curb plate, upwards compress the elasticity end when the joint portion of gluing the frame holds the joint with the elasticity, the elasticity end has decurrent elasticity all the time to support in the joint portion of gluing the frame, the elasticity end has elasticity in vertical direction, there is certain dimensional change space in vertical direction, can stabilize with the joint portion joint of gluing the frame together, whole backlight unit is difficult for appearing the light leak, the problem of side light line.
Description
Technical Field
The utility model relates to a show technical field, particularly, relate to a backplate, still relate to backlight unit and display panel including this backplate.
Background
When a back plate and a rubber frame in the backlight module are fixed, a protruding structure is arranged on the side edge of the back plate, a rectangular clamping groove is arranged at the corresponding position of the side edge of the rubber frame, and during assembly, the clamping point of the back plate slides into the clamping groove of the rubber frame by pressing the rubber frame downwards, so that the clamping purpose is achieved.
Because backplate and gluey frame processing procedure ability undulant problem, the size of the protruding structure of backplate side and gluey frame draw-in groove structure easily appears undulantly, and in addition the removal in-process the two may rock from top to bottom, and difficult card, virtual card, card and not hard up scheduling problem easily appear when protruding structure and draw-in groove collocation, and the phenomenon such as gluey frame local floating, backlight unit light leak, side bright line that this problem can cause influences display panel's picture quality.
It should be noted that the information of the present invention in the above background section is only for enhancing the understanding of the background of the present invention, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
An object of the utility model is to provide a backplate, backlight unit and display panel solve current backplate and glue the easy not hard up problem of frame joint.
According to the utility model discloses an aspect provides a backplate for with backlight unit's gluey frame cooperation installation, it includes joint portion to glue the frame, the backplate includes:
a base plate;
the side plate is arranged at the edge of the bottom plate;
the joint spare is located the curb plate is kept away from the one side of bottom plate, including link and elasticity end, the link is fixed on the curb plate, the elasticity end be used for with the joint portion joint of gluing the frame, the elasticity end is in the orientation has under the compression of joint portion the elasticity of bottom plate.
In an exemplary embodiment of the present invention, the side plate includes:
the side plate body is arranged on the edge of the bottom plate;
the extension part is arranged on the side plate body and comprises a first extension part extending from the side plate to the direction far away from the bottom plate and a second extension part extending from the first extension part to the direction close to the bottom plate, and a gap is formed between the second extension part and the side plate body;
the connecting end of the clamping piece is fixed on the inner wall of the gap, facing the second extending portion, and the elastic end is located on one side, close to the bottom plate, of the second extending portion.
In an exemplary embodiment of the present invention, the side plate body has a through hole communicating with the gap; the back plate further comprises: the fixing piece is located in the through hole and fixed to the connecting end.
In an exemplary embodiment of the invention, the fixing member includes an adhesive layer, the adhesive layer is adhered to the connecting end and the second extending portion toward the inner wall of the gap.
In an exemplary embodiment of the present invention, the bonding layer includes two convex surfaces facing the second extension portion and a concave surface located between the two convex surfaces, the concave surface is bonded to the connecting end, and the convex surfaces are bonded to the inner walls of the second extension portions on both sides of the connecting end.
In an exemplary embodiment of the present invention, the adhesive layer is further bonded to the through-hole inner wall.
In an exemplary embodiment of the present invention, the connection end is in contact with an inner wall of the first extension portion.
In an exemplary embodiment of the present invention, the elastic end includes a bending structure, and the opening of the bending structure faces the side plate body, the joint portion is connected to the bending structure and is close to one side of the bottom plate, and is compressed in the direction of the bottom plate.
According to another aspect of the present invention, there is provided a backlight module, including:
a back plate as described in any of the above;
the rubber frame is installed on the back plate and comprises a clamping portion, and the clamping portion is clamped on the elastic end and close to one side of the bottom plate and compresses the elastic end in the direction of the bottom plate.
According to another aspect of the present invention, there is provided a display panel, including the backlight module described above.
The utility model discloses a set up on the curb plate of backplate by joint spare, joint spare including be used for with glue the elasticity end of frame joint, upwards compress the elasticity end when gluing the joint portion of frame side shield and elasticity end joint, the elasticity end has decurrent elasticity to support in the joint portion of gluing the frame all the time, the elasticity end has elasticity in vertical direction, can be compressed and bounce-back, consequently under the unsuitable condition of size, or under the condition of gluing the relative backplate of frame and rocking from top to bottom, because the elasticity end has the size change space of vertical direction, the joint portion of gluing the frame still can the joint serve at elasticity.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a cross-sectional view of a conventional back plate and rubber frame mounting structure;
FIG. 2 is a sectional view of the back plate according to the present embodiment;
FIG. 3 is a sectional view of the back plate and rubber frame mounting structure of the present embodiment;
FIG. 4 is a perspective view of a side panel of the back panel;
FIG. 5 is a schematic perspective view of another perspective view of a side panel in the back panel;
FIG. 6 is a cross-sectional view of the structure of the back plate of FIG. 4 in the direction of side plate C-C;
FIG. 7 is a left side view of FIG. 3;
FIG. 8 is a sectional view of the structure taken along line A-A of FIG. 3;
FIG. 9 is a structural cross-sectional view taken along line B-B of FIG. 3 after the backing plate includes fasteners;
fig. 10 is a structural sectional view of the display panel of the present embodiment;
fig. 11 is a sectional view of the structure taken along the direction D-D of fig. 10.
In the figure: 110. a base plate; 120. a side plate; 1201. a raised structure; 121. a side plate body; 1211. A through hole; 122. an extension portion; 1221. a first extension portion; 1222. a second extension portion; 1223. a void; 130. a clamping piece; 131. a connecting end; 132. an elastic end; 140. a fixing member; 141. an adhesive layer; 200. a rubber frame; 210. a rubber frame upper baffle plate; 220. a rubber frame side baffle; 221. a clamping part; 222. a rectangular opening; 300. a side light source; 310. an LED light source; 320. a PCB board; 330. fixing the adhesive tape; 400. a reflective sheet; 500. a light guide plate; 600. an optical film material; 700. a display substrate.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
In the related art, as shown in fig. 1, the back plate includes a bottom plate 110 and a side plate 120, the rubber frame includes a rubber frame upper baffle 210 and a rubber frame side baffle 220, a protruding structure 1201 is disposed on the side plate 120, and a rectangular opening is disposed on the rubber frame side baffle 220. When the two are matched and fixed, the rubber frame 200 is installed from top to bottom, so that the protrusion structure 1201 is clamped in the rectangular opening, and the bottom of the rectangular opening is used as a clamping part 221 to abut against the protrusion structure 1201, so that fixation is realized. However, in the processing process, the sizes of the protruding structure and the rectangular opening are fluctuated frequently, which may result in that the bottom of the protruding structure is too low to be clamped into the rectangular opening, or the bottom is too high, and a gap is left between the protruding structure and the rectangular clamping groove to be loosened easily. These phenomena may cause the local floating of the plastic frame 200, light leakage of the backlight module, bright lines on the side edges, and the like, and affect the picture quality of the display panel.
The utility model provides a back plate, as shown in FIG. 2, including bottom plate 110 and the curb plate 120 of locating bottom plate 110 edge, the one side that bottom plate 110 was kept away from to curb plate 120 still is equipped with a joint spare 130, and joint spare 130 includes link 131 and elasticity end 132, and link 131 is fixed in on the curb plate 120. The elastic end 132 is used for clamping with the clamping part 221 of the rubber frame. When the back plate and the rubber frame 200 are mounted, the clamping portion 221 of the rubber frame is clamped below the elastic end 132 and compresses the elastic end 132 upwards, and the elastic end 132 has downward elastic force in a compressed state.
The rear structure of the plastic frame 200 matched with the backboard can be as shown in fig. 3, and includes a plastic frame top baffle 210 and a plastic frame side baffle 220, wherein the plastic frame top baffle 210 covers the top of the side plate 120. The rubber frame side baffle 220 covers the left side of the side plate 120. The rubber frame side baffle 220 is provided with a clamping portion 221, the clamping portion 221 is enabled to compress the elastic end 132 upwards when the rubber frame 200 is installed, and the elastic end 132 always has downward elastic force to abut against the clamping portion 221 of the rubber frame when the rubber frame 200 and the backboard are in a static state.
Because the elastic end 132 of the joint portion 221 of the rubber frame 200 is upwards compressed all the time under the static state, the elastic end 132 has elasticity in the vertical direction, and can be compressed and rebounded, so under the condition that the size is not proper, or under the condition that the rubber frame 200 shakes up and down relative to the backboard, the joint portion 221 of the rubber frame can still be jointed on the elastic end 132 because the elastic end 132 has the size change space in the vertical direction.
The following is a detailed description of the backlight module according to the embodiments of the present invention:
in the present exemplary embodiment, referring to fig. 2 to 9, only a portion of the bottom plate 110 and the side plate 120 at the left side edge of the bottom plate 110 are shown, the side plate 120 includes a side plate body 121 and an extension 122 extending from the side plate body, the side plate body 121 is disposed at the edge of the bottom plate 110, the extension 122 includes a first extension 1221 extending leftwards from the top of the side plate body 121 and a second extension 1222 extending downwards from the first extension, and a gap 1223 is provided between the second extension 1222 and the side plate body 121.
The specific structure of the rubber frame 200 matched with the back plate can be as shown in fig. 7, the rubber frame side baffle 220 is provided with a rectangular opening 222, the lower part of the rectangular opening 222 is used as a clamping part 221, when the rubber frame 200 is installed, the extending part 122 of the side plate and the elastic end 132 of the clamping part are both placed in the rectangular opening 222, the clamping part 221 is enabled to compress the elastic end 132 upwards, and the elastic end 132 always has downward elastic force to abut against the clamping part 221 of the rubber frame 200 in the static state of the rubber frame 200 and the back plate. The left outer wall of the second extension portion 1222 and the outer wall of the rubber frame side baffle 220 can be on the same plane, so that the first extension portion 1221 and the rubber frame 200 have as many contact surfaces as possible, the fastening structure is firmer, and the appearance of the rubber frame 200 is more beautiful. In other embodiments, the rubber frame 200 may have other shapes, for example, the opening shape may also be other shapes matched with the shape of the extension portion 122, and the clamping portion 221 may also be disposed at other positions of the side retaining wall of the rubber frame 200, and the specific structure is not described herein again.
In the exemplary embodiment, the side plate body 121 has a through hole 1211 communicating with the gap 1223, the backlight module further includes a fixing member 140, the fixing member 140 is used to fix the connecting end 131 of the clamping member on the side plate 120, the fixing member 140 is disposed in the through hole 1211 and is fixed to the connecting end 131, and various fixing methods such as adhesion, riveting, bolt connection and the like can be used, which are not listed here. When adopting mounting 140 fixed connection end 131, need fix from curb plate 120 inboard, better operation, and can be more firm with joint 130 and curb plate 120 fixed connection, simultaneously, fixed position can be located curb plate 120 inboard, can not influence the outward appearance in the curb plate 120 outside.
In the present exemplary embodiment, the fixing member 140 includes an adhesive layer 141, the adhesive layer 141 is used to adhere the connecting end 131 and the inner wall of the second extension 1222, and the fixing member 140 may be made of metal, plastic, or the like. As shown in fig. 9, the fixing member 140 has an adhesive layer 141 on a surface facing the second extension 1222, and the adhesive layer 141 can be adhered to the inner wall of the second extension 1222 while adhering the connection end 131 to the inside, thereby fixing the connection end 131. The clamping member 130 and the side plate 120 can be conveniently fixed together by means of bonding, and the fixing member 140 can be bonded to the inner wall of the second extension 1222 by being put in from the through hole 1211, so that the operation is simple. The shape of the fixing member 140 can be matched with the shape of the through hole 1211, so that the fixing member 140 can be prevented from being displaced in the through hole 1211, and a stable bonding relation is ensured. Meanwhile, the adhesive layer 141 of the fixing member may be simultaneously adhered to the inner wall of the through hole 1211 in addition to the inner wall of the second extension 1222, so as to improve the structural stability of the fixing member 140 and the side plate 120 and prevent the fixing member 140 from falling off.
In the present exemplary embodiment, as shown in fig. 9, the fixing member 140 has a concave shape with a concave surface facing the second extension 1222, the adhesive layer 141 is disposed on a surface facing the second extension 1222, the adhesive layer 141 has a shape including two convex surfaces and a concave surface between the two convex surfaces, the concave surface is adhered to the connection end 131 of the clip, and the two convex surfaces are adhered to inner walls of the second extension 1222 on both sides of the connection end, so that the connection end 131 of the clip is fixed in the concave surface. Both sides are all fixed about connecting end 131, can prevent that connecting end 131 from moving about.
In the present exemplary embodiment, as shown in fig. 2, the elastic end 132 of the clip includes a bent structure, and the opening of the bent structure faces the side plate body 121 on the right side, and the elastic end 132 has an elastic space in the vertical direction. When the joint portion 221 joint of gluing the frame is in the structure of buckling below and upwards compression structure of buckling, the structure of buckling can apply decurrent elasticity for elastic end 132 and joint portion 221 can offset all the time, prevent to glue frame 200 and drop. The connecting end 131 and the elastic end 132 of the clip may be an integrally formed sheet structure, the upper portion is a vertical plane and can be inserted into the gap 1223 between the second extending portion 1222 and the side plate body 121, and the lower portion is bent. The clip member 130 may be made of metal or other material that is flexible after being bent. In other embodiments, the resilient end 132 of the clip can be made of other structures and materials, for example, the opening direction of the bent structure can be towards the left side of the figure or towards the length direction of the side plate. The elastic end 132 may be made of rubber material, and may also form an elastic space in the vertical direction. This is not further enumerated here.
The present embodiment further provides a backlight module, which includes the above-mentioned back plate, and further includes a rubber frame 200 engaged therewith. The specific structure of the rubber frame 200 may be as described above, and will not be described herein.
Referring to fig. 10 and 11, the backlight module further includes a side light 300, a reflective sheet 400, a light guide plate 500, an optical mold material 600, and other components. The side light 300 may include a PCB board 320 mounted with the LED light source 310, the PCB board 320 being fixed inside the side plate 120 of the back panel by a fixing tape 330. The bottom plate 110 of the back plate is sequentially provided with a reflective sheet 400, a light guide plate 500 and an optical mold material 600 from bottom to top. Because the clamping of the back plate and the rubber frame 200 is firmer, the rubber frame 200 is not easy to float, and the problems of light leakage and side bright lines are not easy to occur in the whole backlight module.
The present embodiment further provides a display panel, which includes the backlight module and the display substrate 700 disposed on the backlight module. Due to the advantages of the backlight module, the display panel can provide more stable display effect. The application of the display panel is not particularly limited, and the display panel can be used for any product or component with a display function, such as a mobile phone, a tablet computer, a notebook computer, a digital photo frame, a navigator and the like.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. The utility model provides a backplate for with backlight unit's gluey frame cooperation installation, it includes joint portion to glue the frame, its characterized in that, the backplate includes:
a base plate;
the side plate is arranged at the edge of the bottom plate;
the joint spare is located the curb plate is kept away from the one side of bottom plate, including link and elasticity end, the link is fixed on the curb plate, the elasticity end be used for with the joint portion joint of gluing the frame, the elasticity end is in the orientation has under the compression of joint portion the elasticity of bottom plate.
2. The back panel of claim 1, wherein the side panel comprises:
the side plate body is arranged on the edge of the bottom plate;
the extension part is arranged on the side plate body and comprises a first extension part extending from the side plate to the direction far away from the bottom plate and a second extension part extending from the first extension part to the direction close to the bottom plate, and a gap is formed between the second extension part and the side plate body;
the connecting end of the clamping piece is fixed on the inner wall of the gap, facing the second extending portion, and the elastic end is located on one side, close to the bottom plate, of the second extending portion.
3. The back plate as claimed in claim 2, wherein the side plate body has a through hole communicating with the void; the back plate further comprises:
the fixing piece is located in the through hole and fixed to the connecting end.
4. A backplate according to claim 3 in which the fixing means comprises an adhesive layer adhered to the connecting end and the inner wall of the second extension facing the void.
5. The back plate as claimed in claim 4, wherein the adhesive layer comprises two convex surfaces facing the second extension portion and a concave surface between the two convex surfaces, the concave surface is adhered to the connection end, and the two convex surfaces are adhered to the inner walls of the second extension portion on both sides of the connection end.
6. A backplate according to claim 5 in which the adhesive layer is also adhered to the inner wall of the through-hole.
7. The back plate of claim 6, wherein the connecting end is in contact with an inner wall of the first extension.
8. The back plate of claim 1, wherein the elastic end comprises a bent structure, an opening of the bent structure faces the side plate body, and the engaging portion engages with the bent structure on a side close to the bottom plate and compresses the bent structure in a direction away from the bottom plate.
9. A backlight module, comprising:
the backsheet of any one of claims 1-8;
the rubber frame is installed on the back plate and comprises a clamping portion, and the clamping portion is clamped on the elastic end and close to one side of the bottom plate and compresses the elastic end in the direction of the bottom plate.
10. A display panel comprising the backlight module of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921065213.7U CN210324960U (en) | 2019-07-09 | 2019-07-09 | Back plate, backlight module and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921065213.7U CN210324960U (en) | 2019-07-09 | 2019-07-09 | Back plate, backlight module and display panel |
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| Publication Number | Publication Date |
|---|---|
| CN210324960U true CN210324960U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921065213.7U Active CN210324960U (en) | 2019-07-09 | 2019-07-09 | Back plate, backlight module and display panel |
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| Country | Link |
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| CN (1) | CN210324960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965283A (en) * | 2021-03-15 | 2021-06-15 | 京东方科技集团股份有限公司 | Back plate assembly and manufacturing method thereof, backlight module and display panel |
| CN114267246A (en) * | 2021-12-20 | 2022-04-01 | 重庆惠科金渝光电科技有限公司 | Backlight module and display device |
| CN115472093A (en) * | 2022-09-27 | 2022-12-13 | 惠科股份有限公司 | Backlight module and display device |
-
2019
- 2019-07-09 CN CN201921065213.7U patent/CN210324960U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965283A (en) * | 2021-03-15 | 2021-06-15 | 京东方科技集团股份有限公司 | Back plate assembly and manufacturing method thereof, backlight module and display panel |
| CN112965283B (en) * | 2021-03-15 | 2023-12-15 | 京东方科技集团股份有限公司 | Backboard assembly and manufacturing method thereof, backlight module and display panel |
| CN114267246A (en) * | 2021-12-20 | 2022-04-01 | 重庆惠科金渝光电科技有限公司 | Backlight module and display device |
| CN115472093A (en) * | 2022-09-27 | 2022-12-13 | 惠科股份有限公司 | Backlight module and display device |
| CN115472093B (en) * | 2022-09-27 | 2023-10-03 | 惠科股份有限公司 | Backlight module and display device |
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