CN104296079B - Diffusion plate support, down straight aphototropism mode set and display device - Google Patents
Diffusion plate support, down straight aphototropism mode set and display device Download PDFInfo
- Publication number
- CN104296079B CN104296079B CN201310306384.5A CN201310306384A CN104296079B CN 104296079 B CN104296079 B CN 104296079B CN 201310306384 A CN201310306384 A CN 201310306384A CN 104296079 B CN104296079 B CN 104296079B
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- China
- Prior art keywords
- support
- diffusion plate
- supporting part
- plate support
- collet portion
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention discloses a kind of diffusion plate support, down straight aphototropism mode set and display device, and support shadow is serious caused by solving the problems, such as the diffusion plate support of existing down straight aphototropism mode set.The backlight module comprises at least module backboard, LED and diffusion plate support have been evenly arranged on module backboard, diffuser plate is placed in the top of diffusion plate support, the diffusion plate support is made up of collet portion and the supporting part being placed in the collet portion, wherein, the supporting part is formed at least one laminated structure support chip, and the supporting part is partly or entirely to be transparent.The support section of diffusion plate support is designed as sheet of transparent structure by the present invention, because support chip thickness is smaller, due to support chip, its is relatively thin, the shadow formed during the light irradiation support chip of support chip thickness direction is smaller, coordinate the auxiliary of other light around shadow to map again, the sightless effect of human eye can be reached.Therefore compared to existing supporting construction for, eliminate shadow positive effect.
Description
Technical field
The present invention relates to LCD TV field, more particularly to a kind of diffusion plate support, down straight aphototropism mode set and display dress
Put.
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
Light mixing distance will not change in permanent use.As shown in figure 1, diffuser plate 2 is usually 1.5mm thickness, PS materials, due to
Light mixing distance H presence, if not being placed on the diffusion plate support on backboard 1（It is made up of supporting part 4 and collet portion 3）Branch
Support, diffuser plate can collapse, will have influence on light mixing distance, cause optics and subjective questions.Support uses the structure such as Fig. 2 more at present
Mode, the supporting part 4 of support are designed using pyramid type, generally use white（High reflection）Play a part of reflected light, support
Collet portion 3 can Integral design with supporting part 4.
In Straight-down type liquid crystal television product, support shadow can be produced using above-mentioned diffusion plate support.The production of support shadow
Raw principle is as follows, as shown in figure 3, support, between several lamps, due to the presence of support when LED is luminous, support is white
High reflection color is light tight, so the light of LED transmitting can not pass through cradle back, therefore shadow as illustrated in the drawing occurs,
It is subjective to be seen as cross shadow.Current common solution passes through dissipating for diaphragm to improve the mist degree of diffuser plate or diaphragm
Penetrate and weaken shadow, but this solution increases product cost, haze diaphragm are generally higher than common diaphragm price.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of diffusion plate support, down straight aphototropism mode set and display
Device, support shadow is serious caused by solving the problems, such as the diffusion plate support of existing down straight aphototropism mode set.
To reach above-mentioned purpose, a kind of diffusion plate support of the present invention, the diffusion plate support is by collet portion and puts
Formed in the supporting part in the collet portion, wherein, the supporting part is formed at least one laminated structure support chip, the supporting part
Partly or entirely to be transparent.
Preferably, the collet portion and supporting part are integrally formed using double-shot moulding.
Preferably, fixed feet is provided with the supporting part, is provided with the collet portion and matches with the fixed feet
Fixed seat.
Preferably, bracket chute and support positioning convex point are provided with the bottom surface in the collet portion.
Preferably, the upper surface in the collet portion of the diffusion plate support is white reflective surface.
Preferably, the supporting part is radially set by least three sheet support chips and formed, wherein, each support chip exists
Partly or entirely it is not attached at center.
Preferably, the supporting part is rectangle sheet supporting part, triangle sheet supporting part or trapezoidal sheet supporting part.
To reach above-mentioned purpose, a kind of down straight aphototropism mode set of the present invention, including at least module backboard, carried on the back in module
LED and diffusion plate support are disposed with plate, diffuser plate is placed in the top of diffusion plate support, the diffusion plate support is above-mentioned
Diffusion plate support.
Preferably, bracket chute and support positioning convex point are provided with the bottom surface in the collet portion, in the module backboard
It is provided with the hole clipping corresponding to the bracket chute and support positioning convex point.
To reach above-mentioned purpose, a kind of display device of the present invention, including at least above-mentioned down straight aphototropism mode set.
Beneficial effects of the present invention are：
The support section of diffusion plate support is designed as sheet of transparent structure by the present invention, because support chip thickness is smaller and adopts
With transparent material, therefore vertical and lateral LED light line can be made preferably to penetrate over, almost can not form shadow；Meanwhile by
In support chip, its is relatively thin, and the shadow formed during the light of support chip thickness direction irradiation support chip is smaller, then coordinates shadow all
The auxiliary mapping of the other light enclosed, can reach the sightless effect of human eye.Therefore compared to existing supporting construction for, disappear
Except shadow positive effect.
Brief description of the drawings
Fig. 1 is the structural representation of down straight aphototropism mode set in the prior art；
Fig. 2 is the structural representation of diffusion plate support in the 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 fixation 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 Fig. 8 schematic perspective view.
Embodiment
With reference to Figure of description, the present invention will be further described.
In view of the above-mentioned problems, the present invention proposes that several embodiments are explained：
Embodiment 1：
As shown in fig. 6, a kind of down straight aphototropism mode set described in the embodiment of the present invention, including at least module backboard, in module
LED 6 and diffusion plate support have been evenly arranged on backboard 1, diffuser plate 2, the diffuser plate are placed in the top of diffusion plate support
Support is made up of collet portion 3 and the supporting part 4 in the collet portion.As shown in Figure 4 and Figure 5, wherein, the part of the supporting part
Or it is all transparent, the supporting part is a triangle sheet structural support piece.Benefit using the structure is ought be from top to bottom
It is seen that a point-like shadow, the presence of this point-like shadow are smaller on equipment imaging influence when facing supporting part.In size
In problem, on the premise of support chip height is in below 30mm, thickness is preferable between 1-1.5mm.
During processing, whole diffusion plate support is completed using two-shot molding process.Wherein supporting part can use transparent PC materials
Material is made, and the light transmittance in rear support portion is made more than 90%, and collet portion is made of white high reflection material.Or using in institute
State supporting part and be provided with fixed feet, the fixed seat to match with the fixed feet is provided with the collet portion, passes through fixed feet
Two-part combination is realized in fixation between fixed seat.Or supporting part and collet portion can also be entered by pasting mode
Row is fixed.
The diffusion plate support is used in backlight module, and when in use, the LED around diffusion plate support lights, due to
Transparent support portion can allow light penetration and mistake, therefore can preferably eliminate depth shadow phenomenon.In addition, collet portion is using white
Color high reflection designs, and can play a part of similar reflector plate 5, further enhancing the brightness effect in backlight module.
It is illustrated in figure 6 the incident schematic diagram that light injects diffusion plate support described in this programme.In order to facilitate description at this
In only give the light incidence schematic diagram of a LED lamp, it can be seen that diffusion plate support is placed on around it
On the centre position of four LEDs, this layout effect is more preferable.The supporting part of the support makes sheet-shaped.Light is through transparent
Supporting part, due to the difference of ray refractive index, the light appeared can relatively disperse, and disperse light causes the effect for eliminating shadow phenomenon
More preferably.Collet portion with white high reflection effect at grade, realizes with reflector plate and reflects LED lamplight with reflector plate
The phase same-action of line.
In diffusion plate support and the fixation problem of module backboard, buckle or chute mode can be used to be fixed.Using
Making of the snap to material requires of a relatively high.It is illustrated in figure 7 the structural representation using chute mode.At the bottom
The bottom surface in support portion is provided with bracket chute 7 and support positioning convex point 8, is provided with the module backboard and corresponds to support cunning
The hole clipping of groove and support positioning convex point.
Embodiment 2：
.As shown in Figure 8 and Figure 9, the present embodiment compared with embodiment 1 except that：The supporting part is supported by four sheets
Piece is formed, wherein, four support chip placement locations are in cross, and are respectively not attached at center.
Four support chips are designed at center to be respectively not attached to, and can prevent four support chips from forming one at center after being connected
Individual ' newel ', so as to the appearance of the not sufficiently good problem of the light penetration easily caused.
Using four this designs of support chip, the flexibility of design is added.The thickness of each support chip can be required more
It is thin, so that light penetration is better.Again due to the same position of four common supporting diffusion plates of support chip, on bearing capacity
It is guaranteed, so the height of support chip can also be improved in the case where support chip is relatively thin, to adapt to different demands.
Embodiment 3：
In the present embodiment in the shape of supporting part and above-described embodiment 1, be a triangle sheet support chip；With reality
The difference part of example 1 is applied to be：The descending gradual change of the thickness of the support chip from bottom to top.
Such design, bottom are thicker, by increasing capacitance it is possible to increase certain bearing capacity, while ensure that top light projector works well, it is right
Equipment imaging has good effect.
Embodiment 4：
Supporting part is rectangle laminated structure in the present embodiment, and by substantial amounts of experiment, rectangle laminated structure can also
Reach the effect for preferably eliminating shadow, but one section of shadow is occurred when facing using the structure, area is slightly larger than above-mentioned
Point-like shadow caused by triangle laminated structure.The reason for bringing this problem is that the rectangle sheet supporting part is in equipment
After being completed, the position that its upper end contacts with diffuser plate can produce bar shaped shadow, and the area of the shadow is compared with triangle sheet knot
Point-like shadow area is slightly larger caused by structure, therefore, is relatively better than rectangular pieces shape structure using triangle laminated structure.
Embodiment 5：
Unlike the embodiments above, supporting part can also be transparent tapered stud structure.
By it is substantial amounts of it is demonstrated experimentally that transparent tapered stud structure under with larger pressure-bearing effect also with certain
Eliminate the effect of shadow.
Under same film piece framework combined situation, tested for the structure of above-mentioned different sheet supporting parts, as a result such as
Following table：
| Frame mode | Support chip number | Translucent effect | Pressure-bearing effect | The shadow depth |
| Transparent triangle laminated structure | One | Printing opacity | Typically | Human eye is invisible |
| Transparent pane shape laminated structure | One | Printing opacity is preferable | It is good | Slightly visible shadow is micro- light for human eye |
| Transparent cross laminated structure | Four | Printing opacity is preferable | Preferably | Slightly visible shadow is micro- light for human eye |
| Transparent taper rod structure | One | Printing opacity is general | Preferably | The visible shadow of human eye is general |
| Opaque taper rod structure | One | It is light tight | Preferably | The clearly visible shadow of human eye is deeper |
It in summary it can be seen, the support section of diffusion plate support is designed as sheet of transparent structure by the present invention, due to support
Piece thickness is smaller, usually 1-1.5 millimeters；And use transparent material, its light transmittance is more than 90%, thus can make it is vertical and
Lateral LED light line is preferably penetrated over, almost can not form shadow；Simultaneously as its relatively thin, support chip thickness side of support chip
To light irradiate support chip when the shadow that is formed it is smaller, then coordinate the auxiliary mapping of other light around shadow, can reach
To the sightless effect of human eye.Therefore compared to existing supporting construction for, eliminate shadow positive effect.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto is any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the protection domain that claim is defined.
Claims (8)
1. a kind of diffusion plate support, it is characterised in that the diffusion plate support is by collet portion and is placed in the collet portion
Supporting part is formed, wherein, the supporting part is made up of at least one laminated structure support chip, and the supporting part is partly or entirely
It is bright；
The collet portion and supporting part are integrally formed using double-shot moulding；
The supporting part is radially set by least three sheet support chips and formed, wherein, each support chip part at center
Or all it is not attached to.
2. diffusion plate support according to claim 1, it is characterised in that fixed feet is provided with the supporting part, in institute
State collet portion and be provided with the fixed seat to match with the fixed feet.
3. diffusion plate support according to claim 1, it is characterised in that be provided with support on the bottom surface in the collet portion and slide
Groove and support positioning convex point.
4. diffusion plate support according to claim 1, it is characterised in that the upper surface in the collet portion of the diffusion plate support
For white reflective surface.
5. diffusion plate support according to claim 1, it is characterised in that the supporting part be rectangle sheet supporting part,
Triangle sheet supporting part or trapezoidal sheet supporting part.
6. a kind of down straight aphototropism mode set, including at least module backboard, LED and diffuser plate branch are disposed with module backboard
Frame, diffuser plate is placed in the top of diffusion plate support, it is characterised in that the diffusion plate support is in the claims 1-5
Diffusion plate support described in any claim.
7. down straight aphototropism mode set according to claim 6, it is characterised in that branch is provided with the bottom surface in the collet portion
Frame chute and support positioning convex point, the card corresponding to the bracket chute and support positioning convex point is provided with the module backboard
Hole.
8. a kind of display device, it is characterised in that including at least under straight described in any claim in the claims 6-7
Formula backlight module.
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 CN104296079A (en) | 2015-01-21 |
| CN104296079B true 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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| CN (1) | CN104296079B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987317B (en) * | 2015-01-28 | 2018-07-20 | 信泰光学(深圳)有限公司 | Backlight module and its snap fastener |
| 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 |
| CN205353525U (en) * | 2016-02-15 | 2016-06-29 | 京东方科技集团股份有限公司 | Bearing structure , straight following formula backlight 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 |
| CN213240760U (en) | 2020-11-11 | 2021-05-18 | 京东方科技集团股份有限公司 | Diffusion plate support frame, direct type backlight module and display device |
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 |
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| Publication number | Publication date |
|---|---|
| CN104296079A (en) | 2015-01-21 |
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Granted publication date: 20171219 Termination date: 20190719 |