CN107357086A - Down straight aphototropism mode set - Google Patents
Down straight aphototropism mode set Download PDFInfo
- Publication number
- CN107357086A CN107357086A CN201710697464.6A CN201710697464A CN107357086A CN 107357086 A CN107357086 A CN 107357086A CN 201710697464 A CN201710697464 A CN 201710697464A CN 107357086 A CN107357086 A CN 107357086A
- Authority
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- China
- Prior art keywords
- surrounding edge
- light guide
- guide plate
- plate
- light
- 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.)
- Pending
Links
- 230000005142 aphototropism Effects 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 238000005315 distribution function Methods 0.000 claims abstract description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Abstract
The present embodiments relate to a kind of down straight aphototropism mode set, including：Reflector plate, there is left surrounding edge, right surrounding edge, upper surrounding edge and lower surrounding edge；Reflecting plate, it is fastened on the reflector plate side；LED light bar, it is parallel with upper surrounding edge and lower surrounding edge, and it is fixed on the reflecting plate；Part line source caused by the LED light bar is reflected into reflected light by the reflector plate and expelling plate；Light guide plate, the opposite side of reflector plate is fastened on, the light guide plate has site, the first bottom surface and the first top surface, and the site of the light guide plate is arranged according to distribution function；Second bottom surface of optical diaphragm group is connected with the second top surface of light guide plate；Liquid crystal display, it is stacked at the second top surface of the optical diaphragm group.The embodiment of the present invention replaces diffuser plate to realize raising light source utilization rate using light guide plate, while reduces diaphragm usage amount and cancel LED lens.
Description
Technical field
The present invention relates to television display screen technical field, more particularly to a kind of down straight aphototropism mode set.
Background technology
Lamp bar is just placed in LCD underface by existing downward back, by the optics such as diffuser plate and diffusion sheet, prismatic lens
Diaphragm optimizes light, there is provided uniform area source.The current common material of diffuser plate is PC or PS, is added in Substrate basis inorganic
Or organic light diffusing agent, it is expert at using light when two different media of refractive index are run into track, refraction, reflection occurs and dissipates
The physical phenomenon penetrated, so as to change the course of light, realize that incident light fully dissipates the effect that color produces optics diffusion with this.Together
When diffuser plate need to carry the blooming pieces such as diffusion sheet, brightening piece and make its holding smooth.
The shortcomings that prior art：
1) because diffuser plate adds diffusant, causing overall penetrance, light source utilization rate is relatively low than relatively low
2) because penetrance is low, it is necessary to increase blooming piece to lift overall brightness, cost is higher
3) to ensure good visual effect, the comparison that direct-type backlight needs are done is thick, and outward appearance is not attractive in appearance enough
4) straight-down negative lamp bar needs lens of arranging in pairs or groups, and to increase the diffusion effect of light source, increases cost.
The content of the invention
Light source utilization rate can be improved, lift screen intensity and reduces the straight of cost it is an object of the invention to provide a kind of
Type backlight module.
To achieve the above object, the invention provides a kind of down straight aphototropism mode set, the backlight module to include：
Reflector plate, has left surrounding edge, right surrounding edge, upper surrounding edge and a lower surrounding edge, the left surrounding edge, upper surrounding edge, right surrounding edge and under
Surrounding edge is sequentially connected with；
Reflecting plate, it is fastened on the reflector plate side；
LED light bar, it is parallel with the upper surrounding edge of the reflector plate and lower surrounding edge, and be fixed on the reflecting plate, it is used for
Line source is provided；Part line source caused by the LED light bar is reflected into reflected light by the reflector plate and expelling plate；
Light guide plate, is fastened on the opposite side of reflector plate, and the light guide plate has site, the first bottom surface and the first top surface, institute
Line source caused by LED light bar and reflected light directive light guide plate are stated, is the first face light by the light guide plate and site outgoing
Source；
The site of the light guide plate is arranged according to distribution function, and the distribution function is,
Φ=F (xled, ylgp, h),
Y=G (xled, ylgp, h),
The xled be LED light bar characterisitic function, the ylgp be the light guide plate material characterisitic function, the h
For light mixing distance, described is site diameter, and the Y is network point distribution function；
Optical diaphragm group, has multiple blooming pieces to splice, and the optical diaphragm group has the second bottom surface and the second top
Face, the second bottom surface of the optical diaphragm group are connected with the second top surface of light guide plate, and the optical diaphragm group makes the leaded light
First area source of plate outgoing is uniformly distributed and is emitted as the second area source；
Liquid crystal display, the second top surface of the optical diaphragm group is stacked at, receives the of optical diaphragm group outgoing
Two area sources.
Further, the LED light bar includes LED element and printed circuit board (PCB), and the LED element is fixed on the printing
On circuit board, the printed circuit board (PCB) is fixed on reflecting plate.
Further, the left surrounding edge of the reflector plate, right surrounding edge, upper surrounding edge, lower surrounding edge and reflecting plate are respectively provided with optics
Coating, the part line source that LED light bar is launched is reflected into reflected light.
Further, the light guide plate is made up of PMMA materials.
Further, the light guide plate is made up of MS materials.
Further, the site on the light guide plate makes shaping using printing-type or non-printing formula method.
Further, the site on the light guide plate is the different projection of diameter.
Down straight aphototropism mode set provided in an embodiment of the present invention replaces diffuser plate to realize raising light by using light guide plate
Source utilization rate, while reduce diaphragm usage amount and cancel the uses of LED lens and reduce cost.
Brief description of the drawings
Fig. 1 is the schematic diagram of down straight aphototropism mode set provided in an embodiment of the present invention；
Fig. 2 is the light guide plate mesh point arrangement schematic diagram of down straight aphototropism mode set provided in an embodiment of the present invention.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
The line source outgoing of LED light bar is first by light guide plate by down straight aphototropism mode set provided in an embodiment of the present invention
Area source, then it is the more uniform second face light of light to be emitted the first area source that light guide plate is emitted by optical diaphragm group
Source, the second area source of optical diaphragm group outgoing is finally received by LCDs.
Fig. 1 is the schematic diagram of down straight aphototropism mode set provided in an embodiment of the present invention, as shown in figure 1, the backlight module
Including：Reflecting plate 1, reflector plate 2, LED light bar 3, light guide plate 4, optical diaphragm group 5 and liquid crystal display 6.LED light bar 3 is fixed on
In the groove that reflector plate 2 and reflecting plate 1 surround, light guide plate 4 is fastened on reflector plate 2, and optical diaphragm group 5 is folded to be located at light guide plate 4
On, LCDs is folded to be located in optical diaphragm group 5.
For specific：
Reflector plate 2, has left surrounding edge, right surrounding edge, upper surrounding edge and a lower surrounding edge, the left surrounding edge, upper surrounding edge, right surrounding edge and under
Surrounding edge is sequentially connected with.Left surrounding edge, right surrounding edge, upper surrounding edge, lower surrounding edge and the reflecting plate 1 of the reflector plate 2 are respectively provided with optics painting
Layer, the effect of the optical coating is that the part line source that LED light bar 3 is launched is reflected into reflected light.
Specifically, the embodiment of the present invention includes reflector plate 2, the reflector plate 2 shares four parts composition, and respectively a left side is enclosed
Side, right surrounding edge, upper surrounding edge and lower surrounding edge, four surrounding edges are first according to the order of left surrounding edge, upper surrounding edge, right surrounding edge and lower surrounding edge
Tail is connected.The inner side of reflector plate 2 is provided with reflecting coating, and the optical coating is used for the light for scattering to surrounding of LED light bar 3 is anti-
Directive light guide plate 4.
Reflecting plate 1, it is fastened on the side of reflector plate 2.
Specifically, the reflecting plate 1 of the present embodiment is vertically fastened on the side of reflector plate 2, the four edges of reflecting plate 1 respectively with
Left surrounding edge, right surrounding edge, the upper surrounding edge of reflector plate 2 are connected with a line of lower surrounding edge, and reflecting plate 1 and reflector plate 2 form one
The box like structure of uncovered.
And the inner side of reflecting plate 1 is also coated with reflecting coating, by the light for scattering to bottom of LED light bar 3 launch to
Light guide plate 4.
LED light bar 3, it is parallel with the upper surrounding edge of the reflector plate 2 and lower surrounding edge, and be fixed on the reflecting plate 1, use
In offer line source；Part line source caused by the LED light bar 3 is reflected into reflected light by the reflector plate 2 and expelling plate.
Specifically, LED light bar 3 is a component for including multiple LED elements, the component can be emitted linear light after connecing electricity
Source.LED light bar 3 is placed in the box like structure that above-mentioned reflector plate 2 and reflecting plate 1 form, because LED light bar 3 is strip
Structure, and the present embodiment includes multiple LED light bars 3.So the modes of emplacement of LED light bar 3 is parallel to the upper of reflector plate 2
Surrounding edge and lower surrounding edge, and be fixed on the reflecting plate 1.The light that LED light bar 3 is launched is except being directly emitted to light guide plate 4
Outside, also a small amount of light scatters to surrounding and bottom, and the light for scattering to surrounding is reflected towards leaded light by reflector plate 2
The light for scattering to bottom is reflected towards light guide plate 4 by plate 4, reflecting plate 1.Light after reflection is referred to as reflected light.
The LED light bar 3 includes LED element and printed circuit board (PCB), and the LED element is fixed on the printed circuit board (PCB)
On, the printed circuit board (PCB) is fixed on reflecting plate 1.
The LED component of prior art includes LED element, lens and printed circuit board (PCB), the LED light bar 3 in the present embodiment
Eliminate lens, only include LED element and printed circuit board (PCB), the direct piece of LED element on a printed circuit, printed circuit board (PCB)
It is fixed on foregoing reflecting plate 1, and in the groove surrounded positioned at reflector plate 2.
Light guide plate 4, the opposite side of reflector plate 2 being fastened on, the light guide plate 4 has site, the first bottom surface and the first top surface,
Line source caused by the LED light bar 3 and reflected light directive light guide plate 4, it is first by the light guide plate 4 and site outgoing
Area source.
The side of reflector plate 2 is fastened by reflecting plate 1, and opposite side is fastened by light guide plate 4.Light guide plate 4 can allow light by
Transparent medium, and there is site thereon, when the reflected light that the line source and reflection that LED light bar 3 is launched obtain enters light guide plate 4
Afterwards, when passing through the site on light guide plate 4, the outlet openings of light greatly change, so as to be area source by beam projecting.Lead
Tabula rasa 4 has site, the first bottom surface and the first top surface, and wherein site is located on the first top surface.
4 available material of light guide plate has a lot, and the material of selection need to have a high characteristic of light transmittance, such as can be by
PMMA or MS materials are made,
Site on the light guide plate 4 makes shaping using printing-type or non-printing formula method, when using non-printing formula
Method when making, the site on the light guide plate 4 is the different projection of diameter.
On the first top surface of light guide plate 4, provided with integrally formed raised site or printing-type site.The site has
Mixed light and the effect for adjusting light path, when light is by site, light path is changed, and then line source is changed into face light
The effect in source.
Fig. 2 is the site arrangement schematic diagram of light guide plate 4 of down straight aphototropism mode set provided in an embodiment of the present invention, such as Fig. 2 institutes
Showing, the site of the light guide plate 4 is arranged according to distribution function, and the distribution function is,
Φ=F (xled, ylgp, h),
Y=G (xled, ylgp, h),
The xled is the characterisitic function of LED light bar 3, and the ylgp is the material characterisitic function of the light guide plate 4, described
H is light mixing distance, and described is site diameter, and the Y is network point distribution function.
Wherein xled is the characterisitic function of LED light bar 3, i.e., various forms of LED light bars 3 possess different characterisitic functions,
It is a variable to be changed with the primary condition of lamp bar.
Optical diaphragm group 5, has multiple blooming pieces to splice, and the optical diaphragm group 5 has the second bottom surface and second
Top surface, the second bottom surface of the optical diaphragm group 5 are connected with the second top surface of light guide plate 4, and the optical diaphragm group 5 makes described
The first area source that light guide plate 4 is emitted is uniformly distributed and is emitted as the second area source.
Folded on the first top surface of light guide plate 4 and be provided with optical diaphragm group 5, the upper and lower surface of the optical diaphragm group 5 is respectively
Second top surface of the second top surface and the second bottom surface, the second bottom surface and light guide plate 4 is connected, the first area source that light guide plate 4 is emitted,
Optical diaphragm group 5 is directly entered by the second bottom surface after being projected from the first top surface of light guide plate 4, the first area source passes through blooming piece
Each diaphragm in group 5, the second area source, the light of second area source are turned into by the second top surface outgoing of optical diaphragm group 5
It is uniformly distributed, if three-color light source, then answers even light mixing.
Liquid crystal display 6, the second top surface of the optical diaphragm group 5 is stacked at, receives what the optical diaphragm group 5 was emitted
Second area source.
Second area source enters liquid crystal display 6 after being projected by optical diaphragm group 5, and liquid crystal display 6 receives second
Corresponding content is shown after area source on screen.The liquid crystal display 6 is stacked in optical diaphragm group 5, with blooming piece
Second top surface of group 5 connects.
Down straight aphototropism mode set provided in an embodiment of the present invention eliminates diffuser plate, and diffuser plate is replaced using light guide plate 4,
Not only reduce cost but also reduce the thickness of backlight module, the thickness of backlight module is reduced to 8mm from 15mm.Make simultaneously
Raising light source utilization rate can also be realized instead of diffuser plate with light guide plate 4, while reduces diaphragm usage amount and cancels LED lens.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (7)
1. a kind of down straight aphototropism mode set, it is characterised in that the backlight module includes：
Reflector plate, there is left surrounding edge, right surrounding edge, upper surrounding edge and lower surrounding edge, the left surrounding edge, upper surrounding edge, right surrounding edge and lower surrounding edge
It is sequentially connected with；
Reflecting plate, it is fastened on the reflector plate side；
LED light bar, it is parallel with the upper surrounding edge of the reflector plate and lower surrounding edge, and be fixed on the reflecting plate, for providing
Line source；Part line source caused by the LED light bar is reflected into reflected light by the reflector plate and expelling plate；
Light guide plate, is fastened on the opposite side of reflector plate, and the light guide plate has site, the first bottom surface and the first top surface, the LED
Line source caused by lamp bar and reflected light directive light guide plate, it is the first area source by the light guide plate and site outgoing；
The site of the light guide plate is arranged according to distribution function, and the distribution function is,
Φ=F (xled, ylgp, h),
Y=G (xled, ylgp, h),
The xled is the characterisitic function of LED light bar, and the ylgp is the material characterisitic function of the light guide plate, and the h is mixed
Electrical distance, the Φ are site diameter, and the Y is network point distribution function；
Optical diaphragm group, has multiple blooming pieces to splice, and the optical diaphragm group has the second bottom surface and the second top surface, institute
State the second bottom surface of optical diaphragm group with the second top surface of light guide plate to be connected, the optical diaphragm group is emitted the light guide plate
The first area source be uniformly distributed and be emitted as the second area source；
Liquid crystal display, the second top surface of the optical diaphragm group is stacked at, receives the second face of the optical diaphragm group outgoing
Light source.
2. down straight aphototropism mode set according to claim 1, it is characterised in that the LED light bar includes LED element and print
Printed circuit board, the LED element are fixed on the printed circuit board, and the printed circuit board (PCB) is fixed on reflecting plate.
3. down straight aphototropism mode set according to claim 1, it is characterised in that the left surrounding edge of the reflector plate, right surrounding edge,
Upper surrounding edge, lower surrounding edge and reflecting plate are respectively provided with optical coating, and the part line source that LED light bar is launched is reflected into reflected light.
4. down straight aphototropism mode set according to claim 1, it is characterised in that the light guide plate is made up of PMMA materials.
5. down straight aphototropism mode set according to claim 1, it is characterised in that the light guide plate is made up of MS materials.
6. down straight aphototropism mode set according to claim 1, it is characterised in that the site on the light guide plate is using printing
Formula or non-printing formula method make shaping.
7. down straight aphototropism mode set according to claim 1, it is characterised in that site on the light guide plate for diameter not
Same projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710697464.6A CN107357086A (en) | 2017-08-15 | 2017-08-15 | Down straight aphototropism mode set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710697464.6A CN107357086A (en) | 2017-08-15 | 2017-08-15 | Down straight aphototropism mode set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107357086A true CN107357086A (en) | 2017-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710697464.6A Pending CN107357086A (en) | 2017-08-15 | 2017-08-15 | Down straight aphototropism mode set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267894A (en) * | 2018-01-31 | 2018-07-10 | 惠州市华星光电技术有限公司 | Backlight module and display |
| CN111708222A (en) * | 2020-06-23 | 2020-09-25 | 合肥领盛电子有限公司 | Back plate of liquid crystal display |
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| CN105068315A (en) * | 2015-09-01 | 2015-11-18 | 深圳Tcl新技术有限公司 | Blue light LED direct type backlight module and liquid crystal display screen |
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2017
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|---|---|---|---|---|
| US20070147035A1 (en) * | 2005-12-12 | 2007-06-28 | Chen-Pin Hung | Direct-type backlight module |
| CN101256307A (en) * | 2008-03-14 | 2008-09-03 | 上海广电光电子有限公司 | Directly-down backlight module unit |
| CN101644415A (en) * | 2008-08-09 | 2010-02-10 | 清华大学 | Light guide plate and backlight module |
| CN101737720A (en) * | 2009-12-24 | 2010-06-16 | 广州大学 | Screen dot design method of side light type light guide plate of LED light source |
| CN102998841A (en) * | 2012-12-21 | 2013-03-27 | 京东方科技集团股份有限公司 | Display substrate and display device with display substrate |
| CN105068315A (en) * | 2015-09-01 | 2015-11-18 | 深圳Tcl新技术有限公司 | Blue light LED direct type backlight module and liquid crystal display screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267894A (en) * | 2018-01-31 | 2018-07-10 | 惠州市华星光电技术有限公司 | Backlight module and display |
| CN111708222A (en) * | 2020-06-23 | 2020-09-25 | 合肥领盛电子有限公司 | Back plate of liquid crystal display |
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