CN104296079A - Diffusion board support, straight down type backlight module and display device - Google Patents
Diffusion board support, straight down type backlight module and display device Download PDFInfo
- Publication number
- CN104296079A CN104296079A CN201310306384.5A CN201310306384A CN104296079A CN 104296079 A CN104296079 A CN 104296079A CN 201310306384 A CN201310306384 A CN 201310306384A CN 104296079 A CN104296079 A CN 104296079A
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- China
- Prior art keywords
- support
- diffusion plate
- plate support
- shadow
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
Abstract
The invention discloses a diffusion board support, a straight down type backlight module and a display device. The problem that serious support shadowing is caused by a diffusion board support of an existing straight down type backlight module is solved. The backlight module at least comprises a module backboard. Evenly-distributed LED lamps and the diffusion board support are arranged on the module backboard. A diffusion board is arranged on the diffusion board support. The diffusion board support is composed of a bottom bracket portion and a supporting portion arranged on the bottom bracket portion. The supporting portion is composed of at least one supporting sheet of a sheet structure. The supporting portion is partially or completely transparent. The supporting portion of the diffusion board support is designed to be of a transparent sheet structure, the thickness of the supporting sheet is small, a shadow formed when light in the thickness direction of the supporting sheet irradiates the supporting sheet is small, irradiation of the light in the thickness direction of the supporting sheet and auxiliary irradiation of other light around the shadow are combined, and therefore the effect that a person cannot see the shadow with eyes can be achieved. Compared with an existing supporting structure, the shadow eliminating effect is obvious.
Description
Technical field
The present invention relates to LCD TV field, particularly relate to a kind of diffusion plate support, down straight aphototropism mode set and display unit.
Background technology
In existing Straight-down type liquid crystal television product, there is certain light mixing distance in backlight portion, and straight-down negative product will ensure that light mixing distance can not change when permanent use.As shown in Figure 1, diffuser plate 2 is generally 1.5mm thickness, PS material, due to the existence of light mixing distance H, if be not placed on the support of the diffusion plate support (being made up of support portion 4 and collet portion 3) on backboard 1, diffuser plate can subside, to light mixing distance be had influence on, cause optics and subjective questions.The many employings of current support are as the frame mode of Fig. 2, and the support portion 4 of support adopts pyramid type to design, and usually adopt white (high reverse--bias) to play the effect of reverberation, and collet portion 3 and the support portion 4 of support can Integral designs.
In Straight-down type liquid crystal television product, adopt above-mentioned diffusion plate support can produce support shadow.The generation principle of support shadow is as follows, as shown in Figure 3, support is between several lamps, due to the existence of support when LED is luminous, support is that white high reverse--bias look light tight, so therefore the light that LED is launched through cradle back, cannot occur shadow as illustrated in the drawing, be subjectively seen as cross shadow.Current common solution is improve the mist degree of diffuser plate or diaphragm, is weakened by shadow, but this solution increases product cost by the scattering of diaphragm, and haze diaphragm is usually high than common diaphragm price.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of diffusion plate support, down straight aphototropism mode set and display unit, the problem that the support shadow that the diffusion plate support solving existing down straight aphototropism mode set causes is serious.
For achieving the above object, a kind of diffusion plate support of the present invention, described diffusion plate support is made up of collet portion and the support portion be placed in this collet portion, wherein, this support portion is that at least one laminated structure support chip is formed, and this support portion is partly or entirely transparent.
Preferably, described collet portion and support portion adopt double-shot moulding integrally to form.
Preferably, described support portion is provided with fixing feet, described collet portion is provided with the holder matched with described fixing feet.
Preferably, the bottom surface in described collet portion is provided with bracket chute and support positioning convex point.
Preferably, the upper surface in the collet portion of described diffusion plate support is white reflective surface.
Preferably, described support portion is arranged radially by least three sheet support chips and forms, and wherein, each support chip is not partly or entirely 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 of the present invention, at least comprises module backboard, and module backboard is furnished with LED and diffusion plate support, above diffusion plate support, place diffuser plate, described diffusion plate support is above-mentioned diffusion plate support.
Preferably, the bottom surface in described collet portion is provided with bracket chute and support positioning convex point, described module backboard is provided with the hole clipping corresponding to described bracket chute and support positioning convex point.
For achieving the above object, a kind of display unit of the present invention, at least comprises above-mentioned down straight aphototropism mode set.
Beneficial effect of the present invention is:
The support section of diffusion plate support is designed to sheet of transparent structure by the present invention, because support chip thickness is less and adopt transparent material, LED light line that is vertical and side direction therefore can be made to penetrate over preferably, almost can not form shadow; Meanwhile, due to support chip, it is thinner, and the shadow formed when the light of support chip thickness direction irradiates support chip 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, shadow successful is eliminated.
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 diffusion 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 diffusion plate support described in the embodiment of the present invention;
Fig. 5 is the schematic diagram that the embodiment of the present invention solves support shadow;
Fig. 6 is the structural representation of down straight aphototropism mode set described in the embodiment of the present invention;
Fig. 7 is the fixing schematic diagram of diffusion plate support described in the embodiment of the present invention and module backboard;
Fig. 8 is the floor map of diffusion plate support described in the embodiment of the present invention 2;
Fig. 9 is the schematic perspective view of Fig. 8.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
For the problems referred to above, the present invention proposes several embodiment and explains:
Embodiment 1:
As shown in Figure 6, a kind of down straight aphototropism mode set described in the embodiment of the present invention, at least comprise module backboard, module backboard 1 has been evenly arranged LED 6 and diffusion plate support, above diffusion plate support, place diffuser plate 2, described diffusion plate support is made up of collet portion 3 and the support portion 4 in this collet portion.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.Adopt the benefit of this structure to be when facing support portion from top to bottom it is seen that a point-like shadow, the existence of this point-like shadow is less on equipment video picture impact.In dimensional problem, under the prerequisite of support chip height at below 30mm, thickness is better between 1-1.5mm.
Add man-hour, whole diffusion plate support adopts two-shot molding process to complete.Wherein support portion can adopt transparent PC material to make, and makes the light transmittance in rear support portion more than 90%, and collet portion adopts white high reverse--bias material to make.Or adopt and be provided with fixing feet on described support portion, described collet portion is provided with the holder matched with described fixing feet, by fixedly realizing two-part combination between fixing feet and holder.Or by pasting mode, support portion and collet portion can also be fixed.
Described diffusion plate support is used in backlight module, and in use, the LED around diffusion plate support is luminous, because transparent support portion can allow light penetration and mistake, therefore, it is possible to eliminate degree of depth shadow phenomenon preferably.In addition, collet portion adopts white high reverse--bias to design, and can play the effect of similar reflector plate 5, further enhancing the brightness effect in backlight module.
Be illustrated in figure 6 the incident schematic diagram that light injects diffusion plate support described in this programme.Only give the light schematic diagram of a LED lamp for convenience of description here, as can be seen from the figure, diffusion plate support is held in place on the centre position of four LED around it, this layout better effects if.Slabbing shape is done in the support portion of this support.Light therethrough transparent support portion, due to the difference of ray refractive index, the light appeared can comparatively disperse, and disperse light makes the better effects if eliminating shadow phenomenon.There is the collet portion of white high reverse--bias effect and reflector plate at grade, achieve the phase same-action with reflectors reflects LED light.
In the fixation problem of diffusion plate support and module backboard, buckle or chute mode can be adopted to be fixed.Snap is adopted to require relatively high to the making of material.Be illustrated in figure 7 the structural representation adopting chute mode.The bottom surface in described collet portion is provided with bracket chute 7 and support positioning convex point 8, described module backboard is provided with the hole clipping corresponding to described bracket chute and support positioning convex point.
Embodiment 2:
。As shown in Figure 8 and Figure 9, the present embodiment comparatively embodiment 1 difference is: described support portion is made up of four sheet support chips, and wherein, four support chip placement locations are cross, and center is not respectively connected.
Design four support chips not respectively to be connected in center, formed one ' newel ' in center after four support chips can be prevented to be connected, thus the appearance of the good not problem of the light penetration easily caused.
Adopt four this designs of support chip, add the flexibility of design.Can require that the thickness of each support chip is thinner, to make light penetration effect better.Again due to the same position of four support chip common support diffuser plates, guaranteed on bearing capacity, so the height of support chip can also be improved when support chip is thinner, to adapt to different demands.
Embodiment 3:
In the present embodiment, the shape of support portion is the same with above-described embodiment 1, is a triangle sheet support chip; Distinguish part with embodiment 1 to be: the descending gradual change of this support chip thickness from bottom to top.
Such design, bottom is thicker, can increase certain bearing capacity, ensures that top light projector is respond well simultaneously, has good effect to equipment video picture.
Embodiment 4:
In the present embodiment, support portion is rectangle laminated structure, through a large amount of experiments, rectangle laminated structure also can reach the effect eliminating shadow preferably, but adopts this structure to there will be one section of shadow when facing, and area is a bit larger tham the point-like shadow that above-mentioned triangle laminated structure is brought.The reason of this problem is brought to be, this rectangle sheet support portion is after device assembles completes, the position that its upper end contacts with diffuser plate can produce bar shaped shadow, the point-like shadow area that the area of this shadow produces compared with triangle laminated structure is slightly large, therefore, triangle laminated structure is adopted comparatively to be better than rectangular pieces shape structure.
Embodiment 5:
With above-described embodiment unlike, support portion also can be transparent tapered stud structure.
Prove through a large amount of experiments, transparent tapered stud structure also has the effect of certain elimination shadow under larger pressure-bearing effect having.
Under same film sheet framework combined situation, the structure for above-mentioned different sheet support portion is tested, and result is as following table:
| Frame mode | Support chip number | Translucent effect | Pressure-bearing effect | The shadow depth |
| Transparent triangle laminated structure | One | Printing opacity | Generally | Human eye is invisible |
| Transparent pane shape laminated 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 | Human eye obviously visible shadow is darker |
In summary it can be seen, the support section of diffusion plate support is designed to sheet of transparent structure by the present invention, because support chip thickness is less, is generally 1-1.5 millimeter; And employing transparent material, its light transmittance is more than 90%, LED light line that is vertical and side direction therefore can be made to penetrate over preferably, almost can not form shadow; Meanwhile, due to support chip, it is thinner, and the shadow formed when the light of support chip thickness direction irradiates support chip 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, shadow successful is eliminated.
Above; be only preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (10)
1. a diffusion plate support, is characterized in that, described diffusion plate support is made up of collet portion and the support portion be placed in this collet portion, and wherein, this support portion is made up of at least one laminated structure support chip, and this support portion is partly or entirely transparent.
2. diffusion plate support according to claim 1, is characterized in that, described collet portion and support portion adopt double-shot moulding integrally to form.
3. diffusion plate support according to claim 1, is characterized in that, described support portion is provided with fixing feet, and described collet portion is provided with the holder matched with described fixing feet.
4. diffusion plate support according to claim 1, is characterized in that, the bottom surface in described collet portion is provided with bracket chute and support positioning convex point.
5. diffusion plate support according to claim 1, is characterized in that, the upper surface in the collet portion of described diffusion plate support is white reflective surface.
6. diffusion plate support according to claim 1, is characterized in that, described support portion is arranged radially by least three sheet support chips and forms, and wherein, each support chip is not partly or entirely connected in center.
7. diffusion 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, module backboard is furnished with LED and diffusion plate support, above diffusion plate support, places diffuser plate, it is characterized in that, described diffusion plate support is the diffusion plate support described in claim arbitrary in the claims 1-7.
9. down straight aphototropism mode set according to claim 8, is characterized in that, the bottom surface in described collet portion is provided with bracket chute and support positioning convex point, and described module backboard is provided with the hole clipping corresponding to described bracket chute and support positioning convex point.
10. a display unit, is characterized in that, at least comprises the down straight aphototropism mode set described in arbitrary claim in the claims 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306384.5A CN104296079B (en) | 2013-07-19 | 2013-07-19 | Diffusion plate support, down straight aphototropism mode set and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306384.5A CN104296079B (en) | 2013-07-19 | 2013-07-19 | Diffusion plate support, down straight aphototropism mode set and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104296079A true CN104296079A (en) | 2015-01-21 |
| CN104296079B CN104296079B (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310306384.5A Expired - Fee Related CN104296079B (en) | 2013-07-19 | 2013-07-19 | Diffusion plate support, down straight aphototropism mode set and display device |
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| Country | Link |
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| CN (1) | CN104296079B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712969A (en) * | 2015-03-04 | 2015-06-17 | 青岛海信电器股份有限公司 | Straight-down type backlight module and display device |
| CN105987317A (en) * | 2015-01-28 | 2016-10-05 | 信泰光学(深圳)有限公司 | Backlight module and clamp mechanism thereof |
| WO2017140048A1 (en) * | 2016-02-15 | 2017-08-24 | 京东方科技集团股份有限公司 | Support structure, direct-lit backlight source, and display device |
| CN110996028A (en) * | 2019-11-29 | 2020-04-10 | 安徽康佳电子有限公司 | Television capable of preventing DELD television bracket shadow |
| US11726364B2 (en) | 2020-11-11 | 2023-08-15 | K-Tronics (Suzhou) Technology Co., Ltd. | Diffusion plate support frames, direct-type backlight modules and display apparatuses |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767803A (en) * | 2012-07-23 | 2012-11-07 | 冠捷显示科技（厦门）有限公司 | Support pillar of LED (light emitting diode) backlight module |
| TWM455887U (en) * | 2012-10-18 | 2013-06-21 | Tpv Display Technology Xiamen | Supporting device |
| CN203052395U (en) * | 2012-12-07 | 2013-07-10 | 康佳集团股份有限公司 | Straight-down type light-emitting diode (LED) backlight module and supporting column thereof |
| CN203323024U (en) * | 2013-07-19 | 2013-12-04 | 青岛海信电器股份有限公司 | Diffusion plate support, direct type backlight module and display device |
-
2013
- 2013-07-19 CN CN201310306384.5A patent/CN104296079B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767803A (en) * | 2012-07-23 | 2012-11-07 | 冠捷显示科技（厦门）有限公司 | Support pillar of LED (light emitting diode) backlight module |
| TWM455887U (en) * | 2012-10-18 | 2013-06-21 | Tpv Display Technology Xiamen | Supporting device |
| CN203052395U (en) * | 2012-12-07 | 2013-07-10 | 康佳集团股份有限公司 | Straight-down type light-emitting diode (LED) backlight module and supporting column thereof |
| CN203323024U (en) * | 2013-07-19 | 2013-12-04 | 青岛海信电器股份有限公司 | Diffusion plate support, direct type backlight module and display device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987317A (en) * | 2015-01-28 | 2016-10-05 | 信泰光学(深圳)有限公司 | Backlight module and clamp mechanism thereof |
| CN105987317B (en) * | 2015-01-28 | 2018-07-20 | 信泰光学(深圳)有限公司 | Backlight module and its snap fastener |
| CN104712969A (en) * | 2015-03-04 | 2015-06-17 | 青岛海信电器股份有限公司 | Straight-down type backlight module and display device |
| CN104712969B (en) * | 2015-03-04 | 2017-06-16 | 青岛海信电器股份有限公司 | A kind of down straight aphototropism mode set and display device |
| WO2017140048A1 (en) * | 2016-02-15 | 2017-08-24 | 京东方科技集团股份有限公司 | Support structure, direct-lit backlight source, and display device |
| CN110996028A (en) * | 2019-11-29 | 2020-04-10 | 安徽康佳电子有限公司 | Television capable of preventing DELD television bracket shadow |
| US11726364B2 (en) | 2020-11-11 | 2023-08-15 | K-Tronics (Suzhou) Technology Co., Ltd. | Diffusion plate support frames, direct-type backlight modules and display apparatuses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104296079B (en) | 2017-12-19 |
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Granted publication date: 20171219 Termination date: 20190719 |