CN211014944U - Backlight module supporting frame, backlight module and electronic equipment - Google Patents
Backlight module supporting frame, backlight module and electronic equipment Download PDFInfo
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- CN211014944U CN211014944U CN201922354595.1U CN201922354595U CN211014944U CN 211014944 U CN211014944 U CN 211014944U CN 201922354595 U CN201922354595 U CN 201922354595U CN 211014944 U CN211014944 U CN 211014944U
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Abstract
The utility model discloses a backlight unit's carriage, include metal frame (100) and establish plastic layer (200) on metal frame (100), metal frame (100) include bottom plate (110) and fix frame (120) at bottom plate (110) edge, bottom plate (110) and the linking department of frame (120) set up the interval set up two at least and draw gluey hole (130), every draws gluey hole (130) part to set up at the edge of bottom plate (110), another part is set up on frame (120), and run through to the top of frame (120) from the bottom of frame (120), plastic layer (200) covers the inside wall surface of frame (120), and the part is filled in drawing gluey hole (130). The scheme can solve the problem that the display screen of the electronic equipment is abnormal due to the fact that the existing support frame is easy to deform in the preparation process. The utility model discloses a backlight module and electronic equipment.
Description
Technical Field
The utility model relates to a communication equipment technical field especially relates to a backlight unit's carriage, backlight unit and electronic equipment.
Background
Present electronic equipment disposes liquid crystal display usually, because liquid crystal display does not give out light, consequently need come the light filling through backlight unit at the in-process of work, and then realizes showing the function. Along with the improvement of technique, backlight unit's performance is continuously optimizing, and in order to improve support performance, backlight unit's carriage becomes gluey integrative frame of iron by traditional gluey frame, and under this kind of condition, the support intensity of carriage obtains further promotion, can reduce backlight unit local interference the bad problem of liquid crystal display's that arouses demonstration.
Referring to fig. 1 to 6, a typical supporting frame of a backlight module includes an iron frame 101 and a plastic part 102, the iron frame 101 is provided with a glue pulling hole 103, and the plastic part 102 is injection molded on the iron frame 101 and filled in the glue pulling hole 103. Chase 101 includes bottom plate 1011 and frame 1012, draw gluey hole 103 part to be located bottom plate 1011, another part is located frame 1012, after plastic portion 102 and chase 101 injection moulding, because chase 101 is different with the concertina ratio of plastic portion 102 under same temperature, when the temperature reduces, because plastic portion 102 shrink deformation is great, the frame 1012 of chase 101 is dragged more easily, and then arouse chase 101 to take place great deformation, and then set up the activity space of each membrane material in the carriage in the influence backlight unit, under this kind of condition, when the temperature that each membrane material received changes, can't freely stretch, finally can make the fold appear in the membrane material easily, finally influence liquid crystal display's display effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a backlight unit's carriage to solve present carriage and take place to warp easily at the in-process of preparation and lead to showing unusual problem.
In order to solve the above problem, the utility model adopts the following technical scheme:
in a first aspect, an embodiment of the present invention discloses a backlight module's carriage, be in including metal frame and setting plastic layer on the metal frame, wherein:
the metal frame includes the bottom plate and fixes the frame at bottom plate edge, the bottom plate with the linking department of frame sets up two at least glue drawing holes that the interval set up, every glue drawing hole portion sets up the edge of bottom plate, another part sets up on the frame, and certainly the bottom of frame runs through extremely the top of frame, the plastic layer covers the inside wall surface of frame, and part fill in glue drawing hole.
In a second aspect, an embodiment of the present invention discloses a backlight module, including the carriage and superpose in proper order light guide plate, diffusion piece and brightness enhancement film in the carriage, the carriage be the above.
Third aspect, the embodiment of the utility model discloses electronic equipment, including display module assembly and the above backlight unit, backlight unit establishes display module assembly's inboard.
The utility model discloses a technical scheme can reach following beneficial effect:
the embodiment of the utility model discloses backlight unit's carriage implements the improvement to the structure of the carriage among the prior art, make the glue drawing hole portion of seting up on the metal frame be located the bottom plate of metal frame, another part link up to the top from the bottom of frame, at the fashioned in-process of plastic layer, because glue drawing hole is open structure, consequently in the forming process of carriage, the temperature reduction on plastic layer directly can make glue drawing hole position on the frame the part take place to shrink and can not draw the frame of dragging, thereby can reduce the deformation of metal frame, finally can reduce the deformation of carriage, reach and avoid because the carriage warp great and lead to electronic equipment's display module's demonstration to produce unusual problem.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view of a partial structure of a prior art chase;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
FIG. 4 is a partial structural view of a supporting frame in the prior art;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a sectional view taken along line B-B of FIG. 4;
fig. 7 is a schematic partial structure view of a metal frame of a support frame according to an embodiment of the present invention;
FIG. 8 is a side view of FIG. 7;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 7;
fig. 10 is a schematic partial structure view of a supporting frame according to an embodiment of the present invention;
FIG. 11 is a side view of FIG. 10;
FIG. 12 is a cross-sectional view taken along line D-D of FIG. 10;
fig. 13 is a schematic structural view of a metal frame disclosed in an embodiment of the present invention.
Description of reference numerals:
101-iron frame, 1011-bottom plate, 1012-side frame, 102-plastic part, 103-rubber drawing hole,
100-metal frame, 110-bottom plate, 120-frame, 121-first sub-frame, 122-second sub-frame, 123-third sub-frame, 130-glue drawing hole,
200-plastic layer.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 7 to 13, an embodiment of the present invention discloses a supporting frame of a backlight module, which includes a metal frame 100 and a plastic layer 200.
The metal frame 100 is the support frame of the support frame, and the metal frame 100 can be an iron frame, such as an iron frame, a stainless steel frame, etc., the embodiment of the present invention does not limit the concrete material of the metal frame 100. The plastic layer 200 is disposed on the metal frame 100, and specifically, the plastic layer 200 may be fixed on the metal frame 100 by injection molding.
In the embodiment of the present invention, the metal frame 100 includes a bottom plate 110 and a frame 120 fixed at the edge of the bottom plate 110, and the metal frame 100 is generally a one-piece structure. The joint of the bottom plate 110 and the frame 120 is provided with a plurality of glue pulling holes 130 arranged at intervals, each glue pulling hole 130 is partially arranged at the edge of the bottom plate 110, and the other part of the glue pulling hole 130 is arranged on the frame 120 and penetrates from the bottom end of the frame 120 to the top end of the frame 120. That is, the partial glue spreading hole 130 penetrates the bottom end of the frame 120 in the top direction.
The plastic layer 200 covers the inner surface of the frame 120 and partially fills the glue pulling hole 130, thereby achieving the fixed connection between the plastic layer 200 and the metal frame 100.
The embodiment of the utility model discloses a backlight unit's carriage implements the improvement to the structure of the carriage among the prior art, make the drawing that sets up on the metal frame 100 glue hole 130 part and be located the bottom plate 110 of metal frame 100, another part link up to the top from the bottom of frame 120, at the fashioned in-process of plastic layer 200, because draw gluey hole 130 to open structure, consequently in the forming process of carriage, the temperature reduction of plastic layer 200 directly can make the part that draws gluey hole 130 to be located on frame 120 take place the shrink and can not draw frame 120, thereby can reduce the deformation of metal frame 100, finally can reduce the deformation of carriage, reach and avoid because the carriage warp great and lead to electronic equipment's display module's demonstration to produce unusual problem. Of course, the occurrence of light leakage phenomenon of the backlight can also be reduced.
In a preferable embodiment, the opening of the glue pulling hole 130 at the edge of the bottom plate 110 may be an arc-shaped edge, and the arc-shaped edge is relatively smooth, so as to avoid the problem that an air gap is easily generated in the forming process of the plastic layer 200 due to the dead angle of the structure. In a specific embodiment, the diameter of the arc-shaped edge is between 0.3mm and 1 mm.
In a preferable scheme, the distance between two adjacent glue pulling holes 130 can be greater than 0.5mm, and verification proves that the distribution mode has small influence on the strength of the whole metal frame 100, and meanwhile, the metal frame 100 can be provided with enough glue pulling holes 130 to be fixedly connected with the plastic layer 200, so that the connection stability between the plastic layer 200 and the metal frame 100 is improved.
For the convenience of manufacturing, in a preferred scheme, in the embodiment of the present invention, the metal frame 100 is a bent metal frame as an integral body, the glue drawing hole 130 can be a punching hole, and the metal frame 100 with such a structure has the advantages of simple structure and convenience in manufacturing.
In order to improve the bonding stability of the metal frame 100 and the plastic layer 200, in a preferred embodiment, the glue pulling hole 130 covers at least a portion of the top end surface of the side frame 120, in which case, the bonding area between the plastic layer 200 and the metal frame 100 is larger, thereby improving the stability of the whole supporting frame structure.
In the embodiment of the present invention, the bottom plate 110 may have a length edge extending along a length direction thereof, the frame 120 may include a first sub-frame 121 disposed at the length edge, and a joint between the length edge and the first sub-frame 121 is provided with a glue pulling hole 130. In this case, the plastic layer 200 can be fixedly coupled to the metal frame 100 at the longitudinal edge.
Similarly, in the embodiment of the present invention, the bottom plate 110 may have a width edge extending along the width direction thereof, the frame 120 may include a second sub-frame 122 disposed at the width edge, and the joint of the width edge and the second sub-frame 122 is provided with the glue pulling hole 130. In this case, the plastic layer 200 can be fixedly coupled to the metal frame 100 at the width edge.
In a preferred scheme, the embodiment of the present invention discloses a bottom plate 110 can include the fillet joining edge that joins adjacent length edge and width edge, and the frame 120 can include the third sub-frame 123 that sets up in the fillet joining edge, and the fillet joining edge also is provided with the glue pulling hole 130 with the junction of third sub-frame 123. In this case, the plastic layer 200 can also be fixedly connected to the metal frame 100 at the rounded joint edge, which undoubtedly can further improve the structural stability of the support frame, and the rounded joint edge can avoid stress concentration.
In a more preferable embodiment, the region of the glue pulling hole 130 in the frame 120 may penetrate in the thickness direction of the frame 120, so that the pulling force of the plastic layer 200 on the frame 120 during the cooling molding process can be further reduced, and the deformation of the support frame can be further reduced.
Based on the utility model discloses the carriage, the embodiment of the utility model discloses a backlight unit, disclosed backlight unit include carriage and superpose light guide plate, diffusion piece and the brightness enhancement film in the carriage in proper order, the carriage is above embodiment the carriage.
Specifically, the light guide plate can play the effect of leaded light, and backlight unit still includes the luminous body, and the luminous body setting is in one side of light guide plate, and the luminous body forms the area source under the effect of light guide plate in projecting light to the light guide plate at the in-process of work, and the area source projects on the diffusion sheet to make the degree of consistency of light better. The brightness enhancement film can play the role of brightening, and finally the light supplement brightness of the backlight module can be improved. Of course, the working mechanisms of the light guide plate, the diffusion sheet and the brightness enhancement film are well known in the art and will not be described in detail herein.
In comparatively preferred scheme, the embodiment of the utility model discloses a backlight unit can also include the reflectance coating, and the reflectance coating setting deviates from the one side of diffusion piece at the light guide plate, and the reflectance coating can reflect the light that the light guide plate jetted out to the light guide plate once more to can improve the utilization ratio of light.
Based on the embodiment of the utility model discloses backlight unit, the embodiment of the utility model discloses an electronic equipment, disclosed electronic equipment include display module assembly and above embodiment backlight unit, backlight unit establish the inboard at display module assembly. Specifically, the backlight module is usually bonded to the inner side of the display module through a glue layer.
The embodiment of the utility model provides an electronic equipment can be cell-phone, panel computer, electronic book reader, game machine, vehicle automatic navigator, wearable equipment (for example intelligent wrist-watch) equipment such as, the embodiment of the utility model provides a do not restrict electronic equipment's specific kind.
The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a support frame of backlight unit which characterized in that, includes metal frame (100) and sets up plastic layer (200) on metal frame (100), wherein:
metal frame (100) include bottom plate (110) and fix frame (120) at bottom plate (110) edge, bottom plate (110) with the joint department of frame (120) sets up at least two of interval setting and draws gluey hole (130), every draw gluey hole (130) part to set up the edge of bottom plate (110), another part is set up on frame (120) and certainly the bottom of frame (120) runs through to the top of frame (120), plastic layer (200) cover the inside wall surface of frame (120) and part fill in draw gluey hole (130).
2. The support frame of claim 1, wherein the aperture edge of the glue pulling hole (130) at the edge of the base plate (110) is an arc-shaped edge.
3. The support frame of claim 1, wherein the plastic layer (200) covers at least a portion of the top end surface of the rim (120).
4. The support frame of claim 1, wherein the metal frame (100) is a ferrous frame.
5. The support frame according to claim 1, wherein the bottom plate (110) has a length edge extending along a length direction thereof, the frame (120) comprises a first sub-frame (121) disposed at the length edge, and the glue pulling hole (130) is disposed at a joint of the length edge and the first sub-frame (121).
6. The support frame according to claim 5, wherein the bottom plate (110) has a width edge extending along a width direction thereof, the frame (120) comprises a second sub-frame (122) disposed at the width edge, and the glue pulling hole (130) is disposed at a joint of the width edge and the second sub-frame (122).
7. The support frame of claim 6, wherein the bottom plate (110) comprises a rounded corner joint edge joining the adjacent length edge and the width edge, and the frame (120) comprises a third sub-frame (123) arranged at the rounded corner joint edge, and the joint of the rounded corner joint edge and the third sub-frame (123) is provided with the glue pulling hole (130).
8. The support frame according to claim 1, wherein the area of the glue pulling hole (130) on the frame (120) penetrates in the thickness direction of the frame (120).
9. A backlight module, comprising a support frame, and a light guide plate, a diffuser and a brightness enhancement film stacked in this order in the support frame, wherein the support frame is the support frame of any one of claims 1 to 8.
10. An electronic device comprising a display module and the backlight module of claim 9, wherein the backlight module is disposed inside the display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354595.1U CN211014944U (en) | 2019-12-23 | 2019-12-23 | Backlight module supporting frame, backlight module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354595.1U CN211014944U (en) | 2019-12-23 | 2019-12-23 | Backlight module supporting frame, backlight module and electronic equipment |
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| Publication Number | Publication Date |
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| CN211014944U true CN211014944U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922354595.1U Active CN211014944U (en) | 2019-12-23 | 2019-12-23 | Backlight module supporting frame, backlight module and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114690467A (en) * | 2022-03-30 | 2022-07-01 | 合肥惠科金扬科技有限公司 | Shell structure and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114690467A (en) * | 2022-03-30 | 2022-07-01 | 合肥惠科金扬科技有限公司 | Shell structure and display device |
| CN114690467B (en) * | 2022-03-30 | 2024-02-13 | 合肥惠科金扬科技有限公司 | Shell structure and display device |
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