CN203323024U - Diffusion plate support, direct type backlight module and display device - Google Patents
Diffusion plate support, direct type backlight module and display device Download PDFInfo
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- CN203323024U CN203323024U CN2013204382504U CN201320438250U CN203323024U CN 203323024 U CN203323024 U CN 203323024U CN 2013204382504 U CN2013204382504 U CN 2013204382504U CN 201320438250 U CN201320438250 U CN 201320438250U CN 203323024 U CN203323024 U CN 203323024U
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Abstract
本实用新型公开一种扩散板支架、直下式背光模组及显示装置，解决了现有直下式背光模组的扩散板支架导致的支架暗影严重的问题。该背光模组至少包括模组背板，在模组背板上均匀布置有LED灯和扩散板支架，在扩散板支架的上方放置扩散板，所述扩散板支架由底托部以及置于在该底托部上的支撑部构成，其中，该支撑部为至少一个片状结构支撑片构成，该支撑部部分或全部为透明。本实用新型将扩散板支架的支撑部分设计为片状透明结构，由于支撑片厚度较小，由于支撑片其较薄，支撑片厚度方向的光线照射支撑片时所形成的暗影较小，再配合暗影周围的其它光线的辅助映射，能达到人眼不可见的效果。因此相较于现有的支撑结构来说，消除暗影效果明显。
The utility model discloses a diffusion plate bracket, a direct-type backlight module and a display device, which solves the problem of serious shadows on the bracket caused by the diffusion plate bracket of the existing direct-type backlight module. The backlight module at least includes a module backboard, on which LED lamps and a diffuser plate bracket are evenly arranged, and a diffuser plate is placed above the diffuser plate bracket, and the diffuser plate bracket is formed by a bottom bracket and placed on the The support part on the bottom support part is formed, wherein the support part is composed of at least one sheet-like structure support sheet, and part or all of the support part is transparent. In the utility model, the supporting part of the diffuser plate support is designed as a sheet-like transparent structure. Since the thickness of the supporting sheet is relatively small, the shadow formed when the light in the thickness direction of the supporting sheet irradiates the supporting sheet is relatively small. The auxiliary mapping of other light around the shadow can achieve the effect invisible to the human eye. Therefore, compared with the existing support structure, the shadow elimination effect is obvious.
Description
Technical field
The utility model relates to the LCD TV field, relates in particular to a kind of diffuser plate support, down straight aphototropism mode set and display unit.
Background technology
In existing directly-down liquid crystal tv product, there is certain light mixing distance in part backlight, and the straight-down negative product will ensure that light mixing distance can not change when permanent the use.As shown in Figure 1, diffuser plate 2 is generally 1.5mm thickness, the PS material, due to the existence of light mixing distance H, if be not placed on the support of the diffuser plate support (consisting of support portion 4 and collet section 3) on backboard 1, diffuser plate can subside, light mixing distance be will have influence on, optics and subjective questions caused.The many employings of support at present are as the frame modes of Fig. 2, and the support portion 4 of support adopts the pyramid types design, usually adopt white (high reflection) to play catoptrical effect, but the collet section 3 and support portion 4 Integral designs of support.
In the directly-down liquid crystal tv product, adopt above-mentioned diffuser plate support can produce the support shadow.The generation principle of support shadow is as follows, as shown in Figure 3, support is between several lamps, when the LED lamp is luminous due to the existence of support, support is that white high reflected colour is light tight, so the light of LED lamp emission can't see through cradle back, therefore appearance shadow as shown in FIG., subjectively be seen as cross shadow.Current common solution is to improve the mist degree of diffuser plate or diaphragm, and the scattering by diaphragm weakens shadow, but this scheme has increased product cost, and high mist degree diaphragm is usually high than common diaphragm price.
The utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of diffuser plate support, down straight aphototropism mode set and display unit, has solved the serious problem of support shadow that the diffuser plate support of existing down straight aphototropism mode set causes.
For achieving the above object, a kind of diffuser plate support described in the utility model, described diffuser plate support consists of collet section and the support portion that is placed in this collet section, wherein, this support portion is that at least one laminated structure support chip forms, and this support portion is partly or entirely transparent.
Preferably, described collet section and support portion adopt the double-shot moulding one to form.
Preferably, on described support portion, be provided with fixing feet, in described collet section, be provided with the holder matched with described fixing feet.
Preferably, be provided with bracket chute and support positioning convex point on the bottom surface of described collet section.
Preferably, the upper surface of the collet section of described diffuser plate support is white reflecting surface.
Preferably, described support portion is arranged and forms radially by least three sheet support chips, and wherein, each support chip partly or entirely is not connected in center.
Preferably, described support portion is rectangle sheet support portion, triangle sheet support portion or trapezoidal sheet support portion.
For achieving the above object, a kind of down straight aphototropism mode set described in the utility model, at least comprise module backboard, is furnished with LED lamp and diffuser plate support on module backboard, place diffuser plate above the diffuser plate support, described diffuser plate support is above-mentioned diffuser plate support.
Preferably, on the bottom surface of described collet section, be provided with bracket chute and support positioning convex point, be provided with the hole clipping corresponding to described bracket chute and support positioning convex point on described module backboard.
For achieving the above object, a kind of display unit described in the utility model, at least comprise above-mentioned down straight aphototropism mode set.
The beneficial effects of the utility model are:
The utility model is designed to the sheet transparent configuration by the support section of diffuser plate support, because support chip thickness is less and adopt transparent material, therefore can make the LED light of vertical and side direction penetrate over preferably, almost can not form shadow; Simultaneously, due to support chip, it is thinner, and when the light of support chip thickness direction irradiates support chip, formed shadow is less, then coordinates the auxiliary mapping of other light around shadow, can reach the sightless effect of human eye.Therefore compared to existing supporting construction, eliminate the shadow successful.
The accompanying drawing explanation
Fig. 1 is the structural representation of down straight aphototropism mode set in prior art;
Fig. 2 is the structural representation of diffuser plate support in prior art;
Fig. 3 is the generation schematic diagram of prior art medium-height trestle shadow;
Fig. 4 is the structural representation of the described diffuser plate support of the utility model embodiment;
Fig. 5 is the schematic diagram that the utility model embodiment solves the support shadow;
Fig. 6 is the structural representation of the described down straight aphototropism mode set of the utility model embodiment;
Fig. 7 is the fixedly schematic diagram of the described diffuser plate support of the utility model embodiment and module backboard;
Fig. 8 is the floor map of the described diffuser plate support of the utility model embodiment 2;
Fig. 9 is the schematic perspective view of Fig. 8.
The specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
For the problems referred to above, the utility model proposes several embodiment and explain:
Embodiment 1:
As shown in Figure 6, the described a kind of down straight aphototropism mode set of the utility model embodiment, at least comprise module backboard, LED lamp 6 and diffuser plate support have been evenly arranged on module backboard 1, place diffuser plate 2 above the diffuser plate support, described diffuser plate support consists of collet section 3 and the support portion 4 in this collet section.As shown in Figure 4 and Figure 5, wherein, the part or all of of this support portion is transparent, and this support portion is a triangle sheet support structure sheet.The benefit that adopts this structure is that what when facing support portion from top to bottom, to see is a point-like shadow, and the existence of this point-like shadow is less on equipment video picture impact.On dimensional problem, under the prerequisite at the support chip height below 30mm, thickness is better between 1-1.5mm.
Add man-hour, whole diffuser plate support adopts double-shot moulding technique to complete.Wherein support portion can adopt transparent PC material to make, and the light transmittance of making rear support section surpasses 90%, and collet section adopts white high reflecting material to make.Perhaps adopt on described support portion and be provided with fixing feet, in described collet section, be provided with the holder matched with described fixing feet, by between fixing feet and holder, fixedly realizing two-part combination.Perhaps can also support portion and collet section be fixed by pasting mode.
Described diffuser plate support is in backlight module, and in use, it is luminous that diffuser plate props up the LED lamp of frame peripheral, and because transparent support section can allow light penetration, therefore mistake can eliminate degree of depth shadow phenomenon preferably.In addition, collet section adopts white high reflective design, can play the effect of similar reflector plate 5, has further strengthened the brightness effect in backlight module.
Be illustrated in figure 6 light and inject the incident schematic diagram of the described diffuser plate support of this programme.Only provided for convenience of description the light incident schematic diagram of a LED lamp here, as can be seen from the figure, the diffuser plate stentplacement on the centre position that is positioned at four LED lamps around it, this layout better effects if.Slabbing shape is done in the support portion of this support.Light sees through transparent support section, and due to the difference of ray refractive index, the light appeared can disperse, and disperse light makes the better effects if of eliminating the shadow phenomenon.There is the collet section of white high reflecting effect and reflector plate at grade, realized the same function with reflector plate reflection LED lamp wiring.
On the fixation problem of diffuser plate support and module backboard, can adopt buckle or chute mode to be fixed.Adopt the buckle mode to require relatively high to the making of material.Be illustrated in figure 7 the structural representation that adopts the chute mode.Be provided with bracket chute 7 and support positioning convex point 8 on the bottom surface of described collet section, be provided with the hole clipping corresponding to described bracket chute and support positioning convex point on described module backboard.
Embodiment 2:
。As shown in Figure 8 and Figure 9, the present embodiment than embodiment 1 difference is: described support portion consists of four sheet support chips, and wherein, four support chip placement locations are cross, and center respectively is not connected.
At four support chips of center design, each is not connected, can prevent from forming one ' newel ' in center after four support chips are connected, thus the appearance of the good not problem of the light penetration easily caused.
Adopt four this designs of support chip, increased the flexibility of design.Can require the thickness of each support chip thinner, so that the light penetration effect is better.Due to the same position of four common supporting diffusion plates of support chip, guaranteed on bearing capacity again, thus can also improve the height of support chip in the situation that support chip is thinner, to adapt to different demands.
Embodiment 3:
In the present embodiment, the shape of support portion, with the same in above-described embodiment 1, is a triangle sheet support chip; With embodiment 1 difference part, be: the descending gradual change of this support chip thickness from bottom to top.
Such design, bottom is thicker, can increase certain bearing capacity, guarantees that the top light projector is respond well simultaneously, and to equipment, video picture has good effect.
Embodiment 4:
In the present embodiment, support portion is rectangle sheet structure, through a large amount of experiments, rectangle sheet structure also can reach the effect of eliminating preferably shadow, but adopts this structure to there will be one section shadow in positive apparent time, and area is a bit larger tham the point-like shadow that above-mentioned triangle sheet structure is brought.Bring the reason of this problem to be, this rectangle sheet support portion is after device assembles completes, the position that its upper end contacts with diffuser plate can produce the bar shaped shadow, the area of this shadow is slightly large than the point-like shadow area of triangle sheet structure generation, therefore, adopt triangle sheet structure to be better than rectangular pieces shape structure.
Embodiment 5:
Different from above-described embodiment, support portion also can be transparent tapered stud structure.
There is through a large amount of transparent tapered stud structures that experiment showed, the effect that also there is certain elimination shadow under larger pressure-bearing effect.
Under same film sheet framework combined situation, for the structure of above-mentioned different sheets support portion, to be tested, result is as following table:
| Frame mode | The support chip number | Translucent effect | The pressure-bearing effect | The shadow depth |
| Transparent triangle sheet structure | One | Printing opacity | Generally | Human eye is invisible |
| Transparent rectangle sheet structure | One | Printing opacity is better | Good | The slight visible shadow of human eye is micro-light |
| Transparent cross laminated structure | Four | Printing opacity is better | Better | The slight visible shadow of human eye is micro-light |
| Transparent tapered pole structure | One | Printing opacity is general | Better | The visible shadow of human eye is general |
| Opaque tapered pole structure | One | Light tight | Better | The obviously visible shadow of human eye is darker |
In summary it can be seen, the utility model is designed to the sheet transparent configuration by the support section of diffuser plate support, because support chip thickness is less, is generally the 1-1.5 millimeter; And the employing transparent material, its light transmittance is more than 90%, therefore can make the LED light of vertical and side direction penetrate over preferably, almost can not form shadow; Simultaneously, due to support chip, it is thinner, and when the light of support chip thickness direction irradiates support chip, formed shadow is less, then coordinates the auxiliary mapping of other light around shadow, can reach the sightless effect of human eye.Therefore compared to existing supporting construction, eliminate the shadow successful.
Above; it is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (10)
1. a diffuser plate support, is characterized in that, described diffuser plate support consists of collet section and the support portion that is placed in this collet section, and wherein, this support portion consists of at least one laminated structure support chip, and this support portion is partly or entirely transparent.
2. diffuser plate support according to claim 1, is characterized in that, described collet section and support portion adopt the double-shot moulding one to form.
3. diffuser plate support according to claim 1, is characterized in that, on described support portion, is provided with fixing feet, in described collet section, is provided with the holder matched with described fixing feet.
4. diffuser plate support according to claim 1, is characterized in that, on the bottom surface of described collet section, is provided with bracket chute and support positioning convex point.
5. diffuser plate support according to claim 1, is characterized in that, the upper surface of the collet section of described diffuser plate support is white reflecting surface.
6. diffuser plate support according to claim 1, is characterized in that, described support portion is arranged and forms radially by least three sheet support chips, and wherein, each support chip partly or entirely is not connected in center.
7. diffuser plate support according to claim 1, is characterized in that, described support portion is rectangle sheet support portion, triangle sheet support portion or trapezoidal sheet support portion.
8. a down straight aphototropism mode set, at least comprise module backboard, be furnished with LED lamp and diffuser plate support on module backboard, above the diffuser plate support, place diffuser plate, it is characterized in that, described diffuser plate support is the described diffuser plate support of arbitrary claim in the claims 1-7.
9. down straight aphototropism mode set according to claim 8, is characterized in that, on the bottom surface of described collet section, is provided with bracket chute and support positioning convex point, is provided with the hole clipping corresponding to described bracket chute and support positioning convex point on described module backboard.
10. a display unit, is characterized in that, at least comprises the described down straight aphototropism mode set of arbitrary claim in the claims 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204382504U CN203323024U (en) | 2013-07-19 | 2013-07-19 | Diffusion plate support, direct type backlight module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204382504U CN203323024U (en) | 2013-07-19 | 2013-07-19 | Diffusion plate support, direct type backlight module and display device |
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| CN203323024U true CN203323024U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013204382504U Expired - Lifetime CN203323024U (en) | 2013-07-19 | 2013-07-19 | Diffusion plate support, direct type backlight module and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712160A (en) * | 2013-12-24 | 2014-04-09 | 南京中电熊猫液晶显示科技有限公司 | Diffusion plate support and backlight module |
| CN104296079A (en) * | 2013-07-19 | 2015-01-21 | 青岛海信电器股份有限公司 | Diffusion board support, straight down type backlight module and display device |
| CN105785644A (en) * | 2016-03-25 | 2016-07-20 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display device |
-
2013
- 2013-07-19 CN CN2013204382504U patent/CN203323024U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296079A (en) * | 2013-07-19 | 2015-01-21 | 青岛海信电器股份有限公司 | Diffusion board support, straight down type backlight module and display device |
| CN104296079B (en) * | 2013-07-19 | 2017-12-19 | 青岛海信电器股份有限公司 | Diffusion plate support, down straight aphototropism mode set and display device |
| CN103712160A (en) * | 2013-12-24 | 2014-04-09 | 南京中电熊猫液晶显示科技有限公司 | Diffusion plate support and backlight module |
| CN105785644A (en) * | 2016-03-25 | 2016-07-20 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266555 no.218, qianwangang Road, Qingdao Economic and Technological Development Zone, Shandong Province Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
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| CX01 | Expiry of patent term |