CN205104161U - Backplate and curved surface display device - Google Patents
Backplate and curved surface display device Download PDFInfo
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- CN205104161U CN205104161U CN201520878381.3U CN201520878381U CN205104161U CN 205104161 U CN205104161 U CN 205104161U CN 201520878381 U CN201520878381 U CN 201520878381U CN 205104161 U CN205104161 U CN 205104161U
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Abstract
An embodiment of the utility model provides a backplate and curved surface display device relates to display device technical field. Prior art backplate structure produces the resilience easily and the high problem of processing cost is invented in order to solve. The utility model discloses the backplate includes the bottom plate and centers on the lateral wall of bottom plate border a week, the bottom plate is dull and stereotyped, the last border of lateral wall constitutes curved surface square frame structure, the curved surface square frame structure that last border constituted of lateral wall is arranged in prescribing a limit to curved surface display device display panel's camber. The utility model discloses the backplate can be used to curved surface display device.
Description
Technical field
The utility model relates to display device technology field, particularly relates to a kind of backboard and curved-surface display device.
Background technology
Along with the development of technology, the structure of display device can not be satisfied with traditional planar structure, starts to occur curved-surface structure, to meet ergonomic designs demand, improves the vision of user and the comfort level of sense of touch.Identical with the composition structure of planar structure display device, curved-surface display device comprises display panel, backboard, front frame, glue frame and backlight etc., wherein, backboard is the support component of display panel, the assembling of display device assembly of the stability influence of its structure.
In prior art, side entering type LED (Lightemittingdiode, light emitting diode) backlight curved-surface display device cross section structure as shown in Figure 1, see Fig. 1, side-edge type backlight curved-surface display device comprises: display panel 01, backboard 02, front frame 03, glue frame 04, light guide plate 05, optical diaphragm group 06 and lamp bar (not shown) etc., wherein, display panel 01, the base plate of backboard 02, light guide plate 05, optical diaphragm group 06 and lamp bar are curved-surface structure, and curvature is identical, lamp bar is arranged at the sidewall of backboard 02, the light that lamp bar sends by light guide plate 05 non-uniform reflection to optical diaphragm group 06, light can transfer to display panel 01 after optical diaphragm group 06 is optimized.The cross section structure of direct LED backlight curved-surface display device as shown in Figure 2, see Fig. 2, direct-light-type backlight curved-surface display device comprises: display panel 01, backboard 02, front frame 03, glue frame 04, diffuser plate 08, optical diaphragm group 06 and Matrix LED 07 etc., wherein, display panel 01, the base plate of backboard 02, light guide plate 05 and optical diaphragm group 06 are curved-surface structure, and curvature is identical, Matrix LED 07 is arranged at the bottom of backboard 02, the light that Matrix LED 07 sends can transfer to optical diaphragm group 06 and be optimized after diffuser plate 08 spreads, light can transfer to display panel 01 after optical diaphragm group 06 is optimized.
In above-mentioned side entering type and direct-light-type backlight curved-surface display device, backboard 02 adopts Punch-shaping method or die cast process to make usually.Because the base plate of backboard 02 is curved-surface structure, therefore when adopting Punch-shaping method to make backboard, there is stress in the curved-surface structure inside after shaping, easily causes backboard 02 bottom surface resilience, causes the curvature of curved surface unstable thus; When adopting die cast process to make backboard, die cast curved-surface structure, adopts curve mold usually, and curve mold cost is high, serviceable life is short, which thereby enhances the cost of manufacture of backboard 02.Further, in order to avoid the curvature of base plate during backboard impact briquetting is unstable, hub frame can be adopted to be fixed support, but due to the complex manufacturing technology of hub frame, cost of manufacture is higher, which thereby enhances manufacture difficulty and the cost of manufacture of backboard 02.
Utility model content
Embodiment of the present utility model provides a kind of backboard and curved-surface display device, can prevent backboard resilience, avoids using hub frame to be fixed support, to reduce manufacture difficulty, and does not need the mould making curved-surface structure, reduces the cost of manufacture of mould.
For achieving the above object, embodiment of the present utility model provides a kind of backboard, for curved-surface display device, described backboard comprises base plate and around the described base plate edge sidewall of a week, described base plate is dull and stereotyped, the upper edge of described sidewall forms curved surface frame structure, and the curved surface frame structure that the upper edge of described sidewall is formed is for the curvature of display panel in termination surface display device.
Further, described sidewall comprises parallel to each other and the first side wall be oppositely arranged and the second sidewall, and parallel to each other and the 3rd sidewall be oppositely arranged and the 4th sidewall, described the first side wall is parallel with described base plate with the upper edge of the second sidewall, and the upper edge of described 3rd sidewall and the 4th sidewall is curve.
Further, described backboard adopts monoblock type impact briquetting or monoblock type die cast.
Of the present utility modelly embodiment still provides a kind of curved-surface display device, comprising: backboard, described backboard is the backboard as above described in arbitrary technical scheme; Glue frame, described glue frame is curved surface frame structure, and four limits of described glue frame are fastened on the upper edge of described backboard sidewall, and the curvature of four place, limit curved surfaces of described glue frame is identical with the curvature of place, the upper edge curved surface of described backboard sidewall; Front frame, described front frame is curved surface frame structure, and four limits of described front frame are fastened on four limits of described glue frame, and the curvature of four place, limit curved surfaces of described front frame is identical with the curvature of place, the upper edge curved surface of backboard sidewall; Display panel, described display panel is arranged between described front frame and described glue frame, and described display panel is curved-surface structure by described front frame and the extruding of described glue frame, and the curvature of described display panel is identical with the curvature of place, the upper edge curved surface of described backboard sidewall.
Further, the base plate of described backboard is provided with lamp bar and light guide plate, and described light guide plate is arranged on the base plate of described backboard, and the lower surface of described light guide plate is plane, the upper surface of described light guide plate is curved surface, and the curvature of the upper surface of described light guide plate is identical with the curvature of described display panel.
Alternatively, described lamp bar is linear type lamp bar.
Further, the base plate of described backboard is provided with backlight, the top of described backlight is provided with diffuser plate, described diffuser plate is provided with optical diaphragm group, described diffuser plate and described optical diaphragm group are curved-surface structure, and described diffuser plate is all identical with the curvature of described display panel with the curvature of described optical diaphragm group.
Alternatively, the thickness of described display panel is 0.1 ~ 0.8 millimeter.
Further, described front frame is monoblock type die cast.
Further, described glue frame is integrated injection mo(u)lding.
A kind of backboard that the utility model embodiment provides and curved-surface display device, because backboard comprises base plate and around the base plate edge sidewall of a week, base plate is dull and stereotyped, and the upper edge of the sidewall of backboard forms curved surface frame structure, the curved surface frame structure that the upper edge of sidewall is formed is for the curvature of display panel in termination surface display device, therefore when installing display panel, display panel can be extruded, to make the curvature of display panel identical with the curvature of place, backboard upper edge curved surface, thus form curved face display panel to carry out curved-surface display.Compared with prior art, the base plate of slab construction is adopted to substitute the base plate of prior art mean camber structure, when adopting Punch-shaping method to make back board structure, the base plate of shaping postnotum structure can not produce internal stress, thus prevent base plate resilience, curvature is stablized, and without the need to adopting hub frame to be fixed support, thus reduce manufacture difficulty, provide cost savings, and when adopting Punch-shaping method to make back board structure, do not need the mould making curved-surface structure, therefore Mold Making cost is low, thus provides cost savings.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross section structure schematic diagram of the first curved-surface display device of prior art;
Fig. 2 is the cross section structure schematic diagram of prior art the second curved-surface display device;
Fig. 3 is the structural representation of the utility model embodiment backboard;
Fig. 4 is the cross section structure schematic diagram of the first curved-surface display device of the utility model embodiment;
Fig. 5 is the cross section structure schematic diagram of the utility model embodiment the second curved-surface display device;
Fig. 6 is the cross section structure schematic diagram of display panel in the utility model embodiment curved-surface display device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
With reference to Fig. 3, Fig. 3 is a specific embodiment of the utility model embodiment backboard, the backboard of the present embodiment, for curved-surface display device, described backboard comprises base plate 1 and around the described base plate 1 edge sidewall of a week 2, described base plate 1 is dull and stereotyped, and the upper edge of described sidewall 2 forms curved surface frame structure, and the curved surface frame structure that the upper edge of described sidewall 2 is formed is for the curvature of display panel in termination surface display device.
A kind of backboard that the utility model embodiment provides, because backboard comprises base plate 1 and around the base plate 1 edge sidewall of a week 2, base plate 1 is dull and stereotyped, and the upper edge of the sidewall 2 of backboard forms curved surface frame structure, the curved surface frame structure that the upper edge of sidewall 2 is formed is for the curvature of display panel in termination surface display device, therefore when installing display panel, display panel can be extruded, to make the curvature of display panel identical with the curvature of place, backboard upper edge curved surface, thus form curved face display panel to carry out curved-surface display.Compared with prior art, the base plate 1 of slab construction is adopted to substitute the base plate of prior art mean camber structure, when adopting Punch-shaping method to make back board structure, the base plate 1 of shaping postnotum structure can not produce internal stress, thus prevent base plate 1 resilience, curvature is stablized, and without the need to adopting hub frame to be fixed support, thus reduce manufacture difficulty, provide cost savings, and when adopting Punch-shaping method to make back board structure, do not need the mould making curved-surface structure, therefore Mold Making cost is low, thus provides cost savings.
In the above-described embodiments, sidewall 2 upper edge forms curved surface frame structure, and that is to say, sidewall 2 coboundary constitutes a closed frame structure, and the face at this frame structure place is curved surface.
Wherein, the curved surface frame structure that the upper edge of sidewall 2 is formed is for the curvature of display panel in termination surface display device, that is to say, the curved surface frame structure that the upper edge of sidewall is formed defines degree of crook and the bending direction of display panel in curved-surface display device, thus achieves the effect of curved-surface display.
In addition, the shape of base plate 1 can be rectangle, rhombus or circle etc., does not limit at this, particularly, can determine according to the projection of shape of designed curved-surface display device in base plate 1 place plane.
In the embodiment shown in fig. 3, curved-surface display device is rectangle in the projection of shape of base plate 1 place plane, can determine that the shape of base plate 1 is rectangle thus, now sidewall 2 comprises parallel to each other and the first side wall 21 be oppositely arranged and the second sidewall 22, and parallel to each other and the 3rd sidewall 23 be oppositely arranged and the 4th sidewall 24, the first side wall 21 is parallel with base plate 1 with the upper edge of the second sidewall 22, the upper edge of the 3rd sidewall 23 and the 4th sidewall 24 is curve, article two, Curves face be curved surface, the first side wall 21, second sidewall 22, namely the upper edge of the 3rd sidewall 23 and the 4th sidewall 24 defines curved surface frame structure, the display panel of curved-surface structure can be installed in this curved surface frame structure.
In the embodiment shown in fig. 3, the method for making of back board structure can be: first make one flat plate, then flat plate buckling is become back board structure, and cut out curve in the upper edge of the 3rd sidewall 23 and the 4th sidewall 24, between adjacent two side, crop redundance simultaneously, finally weld the adjacent two side of backboard, become an entirety; Back board structure can also be formed in one making.When adopting the first scheme above-mentioned, complex manufacturing technology, required time is longer, therefore in order to avoid this problem, preferably back board structure is formed in one making, one-shot forming, manufacture craft is simple, required time is shorter, and further preferably, back board structure can adopt monoblock type impact briquetting or monoblock type die cast.
Of the present utility modelly embodiment still provides a kind of curved-surface display device, see Fig. 4 or Fig. 5, curved-surface display device comprises: backboard 100, and described backboard 100 is the backboard as above described in any embodiment; Glue frame 3, described glue frame 3 is curved surface frame structure, and four limits of described glue frame 3 are fastened on the upper edge of the sidewall 2 of described backboard 100, and the curvature of four place, limit curved surfaces of described glue frame 3 is identical with the curvature of place, the upper edge curved surface of the sidewall 2 of described backboard 100; Front frame 4, described front frame 4 is curved surface frame structure, and four limits of described front frame 4 are fastened on four limits of described glue frame 3, and the curvature of four place, limit curved surfaces of described front frame 4 is identical with the curvature of place, the upper edge curved surface of described backboard 100 sidewall; Display panel 5, described display panel 5 is arranged between described front frame 4 and described glue frame 3, described display panel 5 is extruded as curved-surface structure by described front frame 4 and described glue frame 3, and the curvature of described display panel 5 is identical with the curvature of place, the upper edge curved surface of the sidewall 2 of described backboard 100.
Because the backboard 100 used in the curved-surface display device of the present embodiment is identical with the backboard provided in each embodiment of above-mentioned backboard, therefore the two can solve identical technical matters, and reaches identical Expected Results.
In the above-described embodiments, the curved shape of display panel 5 can, for the overall curved-surface structure as shown in Fig. 4 or Fig. 5, also can be as shown in Figure 6, a part is plane, another part is curved surface, and the junction between plane and curved surface is provided with rounded corner, does not limit at this.
In prior art embodiment as depicted in figs. 1 and 2, in order to ensure structural strength and the stability of curved-surface display device, need increase the thickness of display panel 5, its thickness is 1 millimeter, in the embodiment shown in Fig. 4 or Fig. 5, due to the Stability Analysis of Structures of curved-surface display device, therefore can the thickness of preferred display panel 5 be 0.1 ~ 0.8 millimeter, compared to prior art, the thinner thickness of display panel 5, easily bending, thus reduce difficulty of processing.
In the embodiment shown in Fig. 4 or Fig. 5, because frame 4 before curved-surface display device is made by metal material usually, therefore in order to reduce the production process of front frame 4, save Production Time, preferably, front frame 4 is monoblock type die cast, one-shot forming, production process is few, saves time.
In the embodiment shown in Fig. 4 or Fig. 5, because the glue frame 3 of curved-surface display device is plastic cement material, therefore in order to reduce the production process of glue frame 3, save Production Time, preferably, glue frame 3 is integrated injection mo(u)lding, one-shot forming, and production process is few, saves time.
Particularly, above-mentioned curved-surface display device can comprise following examples:
Embodiment one: side entering-type LED backlight source curved-surface display device.See Fig. 4, the sidewall of backboard 100 is provided with lamp bar (not shown), the base plate 1 of backboard 100 arranges light guide plate 6, the lower surface of light guide plate 6 is plane, the upper surface of light guide plate 6 is curved surface, the upper surface of light guide plate 6 has been sticked optical diaphragm group 7, and the curvature of the upper surface of light guide plate 6 is identical with the curvature of display panel 5.In prior art, as depicted in figs. 1 and 2, light guide plate 05 is arc demihull shape structure, there is internal stress, therefore easily produces distortion when hot and humid test, and in the embodiment shown in fig. 4, lower surface is light guide plate 6 structure of plane, and structural stability is good, and internal stress is less, therefore not easily produce distortion when hot and humid test, the curvature of light guide plate 6 upper surface remains unchanged substantially.
In prior art embodiment as depicted in figs. 1 and 2, conveniently install in the curved-surface display device of patch body structure, the shape of lamp bar is required to be shaped form, but because the lamp bar manufacture difficulty of shaped form is large, therefore in the embodiment shown in fig. 4, preferred lamp bar is linear type lamp bar, is arranged on the sidewall of backboard 100, and near the bottom surface of light guide plate 6, reduce the manufacture difficulty of curved-surface display device.But, because in light guide plate 6, the variable thickness of each position causes, cause the vertical apart from inconsistent of each position of light guide plate 6 upper surface and lamp bar, therefore the intensity of light guide plate 6 reflected light is inconsistent, in order to head it off, the density of site in light guide plate 6, the degree of depth and shape can be adjusted, thus when each position of light guide plate 6 upper surface and the vertical range of lamp bar inconsistent, the even intensity of the light that each position of light guide plate 6 upper surface is reflected.
In prior art embodiment as depicted in figs. 1 and 2, light guide plate 05 is arc demihull shape structure, there is internal stress, therefore easily produce distortion when hot and humid test, and in the embodiment shown in fig. 4, lower surface is light guide plate 6 structure of plane, structural stability is good, internal stress is less, therefore not easily produces distortion when hot and humid test, and the curvature of light guide plate 6 upper surface remains unchanged substantially.
Embodiment two: direct LED backlight curved-surface display device.See Fig. 5, the bottom of backboard 100 is provided with Matrix LED light source 8, optics cavity is had directly over Matrix LED light source, the top of optics cavity is diffuser plate 9, diffuser plate 9 is patch body structure, diffuser plate 9 is provided with optical diaphragm group 7, and diffuser plate 9 and optical diaphragm group 7 are curved-surface structure, and diffuser plate 9 is all identical with the curvature of display panel 5 with the curvature of optical diaphragm group 7.Thus, back board structure of the present utility model can be applied in direct LED backlight curved-surface display device, can form curved surface carry out curved-surface display to make display panel 5.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1. a backboard, for curved-surface display device, described backboard comprises base plate and around the described base plate edge sidewall of a week, it is characterized in that, described base plate is dull and stereotyped, the upper edge of described sidewall forms curved surface frame structure, and the curved surface frame structure that the upper edge of described sidewall is formed is for the curvature of display panel in termination surface display device.
2. backboard according to claim 1, it is characterized in that, described sidewall comprises parallel to each other and the first side wall be oppositely arranged and the second sidewall, and parallel to each other and the 3rd sidewall be oppositely arranged and the 4th sidewall, described the first side wall is parallel with described base plate with the upper edge of the second sidewall, and the upper edge of described 3rd sidewall and the 4th sidewall is curve.
3. backboard according to claim 1 and 2, is characterized in that, described backboard adopts monoblock type impact briquetting or monoblock type die cast.
4. a curved-surface display device, is characterized in that, comprising:
Backboard, the backboard of described backboard according to any one of claims 1 to 3;
Glue frame, described glue frame is curved surface frame structure, and four limits of described glue frame are fastened on the upper edge of described backboard sidewall, and the curvature of four place, limit curved surfaces of described glue frame is identical with the curvature of place, the upper edge curved surface of described backboard sidewall;
Front frame, described front frame is curved surface frame structure, and four limits of described front frame are fastened on four limits of described glue frame, and the curvature of four place, limit curved surfaces of described front frame is identical with the curvature of place, the upper edge curved surface of backboard sidewall;
Display panel, described display panel is arranged between described front frame and described glue frame, and described display panel is curved-surface structure by described front frame and the extruding of described glue frame, and the curvature of described display panel is identical with the curvature of place, the upper edge curved surface of described backboard sidewall.
5. curved-surface display device according to claim 4, it is characterized in that, the sidewall of described backboard is provided with lamp bar, the base plate of described backboard is provided with light guide plate, the lower surface of described light guide plate is plane, the upper surface of described light guide plate is curved surface, and the curvature of the upper surface of described light guide plate is identical with the curvature of described display panel.
6. curved-surface display device according to claim 5, is characterized in that, described lamp bar is linear type lamp bar.
7. curved-surface display device according to claim 4, it is characterized in that, the base plate of described backboard is provided with backlight, the top of described backlight is provided with diffuser plate, described diffuser plate is provided with optical diaphragm group, described diffuser plate and described optical diaphragm group are curved-surface structure, and described diffuser plate is all identical with the curvature of described display panel with the curvature of described optical diaphragm group.
8. curved-surface display device according to claim 4, is characterized in that, the thickness of described display panel is 0.1 ~ 0.8 millimeter.
9. curved-surface display device according to claim 4, is characterized in that, described front frame is monoblock type die cast.
10. curved-surface display device according to claim 4, is characterized in that, described glue frame is integrated injection mo(u)lding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878381.3U CN205104161U (en) | 2015-11-05 | 2015-11-05 | Backplate and curved surface display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520878381.3U CN205104161U (en) | 2015-11-05 | 2015-11-05 | Backplate and curved surface display device |
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| CN205104161U true CN205104161U (en) | 2016-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261298A (en) * | 2015-11-05 | 2016-01-20 | 京东方科技集团股份有限公司 | Backboard and curved-surface display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261298A (en) * | 2015-11-05 | 2016-01-20 | 京东方科技集团股份有限公司 | Backboard and curved-surface display device |
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