CN109283745A - A kind of down straight aphototropism mode set and display device - Google Patents
A kind of down straight aphototropism mode set and display device Download PDFInfo
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- CN109283745A CN109283745A CN201811442026.6A CN201811442026A CN109283745A CN 109283745 A CN109283745 A CN 109283745A CN 201811442026 A CN201811442026 A CN 201811442026A CN 109283745 A CN109283745 A CN 109283745A
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- lamp bead
- mode set
- down straight
- aphototropism mode
- straight aphototropism
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- 230000005142 aphototropism Effects 0.000 title claims abstract description 75
- 239000011324 bead Substances 0.000 claims abstract description 124
- 230000003287 optical effect Effects 0.000 claims abstract description 58
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000009792 diffusion process Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007812 deficiency Effects 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 20
- 239000011049 pearl Substances 0.000 description 10
- 239000010408 film Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 3
- 208000033748 Device issues Diseases 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
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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)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of down straight aphototropism mode set and display device, down straight aphototropism mode set includes: substrate；The multiple lamp beads being arranged on one surface of substrate have gap area between two lamp beads of arbitrary neighborhood；And at least one optical texture on the light direction of lamp bead, wherein each optical texture corresponds at least one lamp bead, and optical texture is used to the part of corresponding lamp bead light, and guidance exposes to the gap area of corresponding lamp bead at least side.The part of corresponding lamp bead is gone out into light by optical texture, guidance exposes to the gap area of at least side of lamp bead corresponding with optical texture, in turn, to compensate the brightness of gap location between two neighboring king light pearl, improve two neighboring king light pearl in the problem of gap area light mixing deficiency, and then the problem of the uniformity difference of down straight aphototropism mode set outgoing area source can be improved, and the brightness of area source can also be improved, guarantee that the display effect of display device is high.
Description
Technical field
The present invention relates to field of display technology, more specifically, are related to a kind of down straight aphototropism mode set and display device.
Background technique
Liquid crystal display device (Liquid Crystal Display, LCD) has thin fuselage, power saving, radiationless etc. numerous
Advantage is widely used, such as: mobile phone, personal digital assistant (PDA), digital camera, computer screen or notes
This computer screen etc..
Liquid crystal display device on existing market is largely backlight liquid crystal display device comprising shell is set to shell
Intracorporal liquid crystal display panel and the backlight module being set in the housing (Backlight Module).The structure of traditional liquid crystal display panel is
By a colored filter substrate (Color Filter), a thin-film transistor array base-plate (Thin Film
TransistorArray Substrate, TFT Array Substrate) and one it is configured at liquid crystal layer between two substrates
(LiquidCrystal Layer) is constituted, its working principle is that being controlled by applying driving voltage on two panels glass substrate
The light refraction of backlight module is come out and generates picture by the rotation of the liquid crystal molecule of liquid crystal layer processed.No due to liquid crystal display panel itself
It shines, needs the light source provided by backlight module normally to show image, therefore, backlight module becomes liquid crystal display device
One of key component.
Backlight module is divided into side entrance back module and down straight aphototropism mode set according to the difference of light source incidence position.Side enters
Formula backlight module is luminescent device to be arranged at the light-guide edge of liquid crystal display panel back side setting, the light that luminescent device issues
Enter light guide plate from the side of light guide plate, is projected after reflection and diffusion from light guide plate light-emitting surface, then via optical diaphragm group, with
It forms area source and is supplied to liquid crystal display panel.And down straight aphototropism mode set is that multiple luminescent devices are set up directly on liquid crystal surface backboard
Face, and then directly form area source and be supplied to liquid crystal display panel, the area source that existing down straight aphototropism mode set forms outgoing is uniform
Property is poor.
Summary of the invention
In view of this, improving downward back optical mode the present invention provides a kind of down straight aphototropism mode set and display device
The problem of the uniformity difference of group outgoing area source guarantees that the display effect of display device is high.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of down straight aphototropism mode set, comprising:
Substrate；
The multiple lamp beads being arranged on one surface of substrate have interstitial area between two lamp beads of arbitrary neighborhood
Domain；
And at least one optical texture on the light direction of the lamp bead, wherein each optical texture
At least one corresponding described lamp bead, the optical texture are used to the part of the corresponding lamp bead light, guidance irradiation
To the gap area of the corresponding lamp bead at least side.
Optionally, the optical texture and the lamp bead correspond, wherein the optical texture include be located at it is described
On the same plane of substrate-parallel, and far from the first reversed prism set gradually on the corresponding lamp bead direction to N
Reversed prism, N are the integer not less than 1.
Optionally, the i-th reversed prism is arranged in a ring and around the lamp bead；
Wherein, i-th reversed prism is structure as a whole, alternatively, i-th reversed prism includes multiple on circumferential direction
I-th sub- reversed prism, i are the positive integer no more than N.
Optionally, first reversed prism to N reversed prism deviates from the bottom surface of the lamp bead in same level, wherein
First reversed prism to height of the N reversed prism on the vertical horizontal plane is in reduction trend.
Optionally, the height of the i-th reversed prism is 7 microns -20 microns, including endpoint value, and i is the positive integer no more than N.
Optionally, first reversed prism to N reversed prism deviates from the bottom surface of the lamp bead in same level, wherein
On any one section of the vertical horizontal plane, the bottom edge center spacing of two reversed prisms of arbitrary neighborhood is 14 micron -40 micro-
Rice, including endpoint value.
Optionally, first reversed prism to N reversed prism deviates from the bottom surface of the lamp bead in same level, wherein
The angle of the incidence surface of i-th reversed prism and the horizontal plane is 157.5 degree of -179.66 degree, including endpoint value.
Optionally, it is located at the lamp bead towards the optical texture side, further includes:
At least one concentration structure, the concentration structure are used to assemble at the gap area between the two neighboring lamp bead
Go out light.
Optionally, the concentration structure includes multiple light-collecting prisms.
Optionally, the down straight aphototropism mode set further include:
Deviate from the diffusion barrier of the lamp bead side positioned at the optical texture.
Optionally, the lamp bead is Mini-LED lamp bead.
Correspondingly, the display device includes above-mentioned downward back optical mode the present invention also provides a kind of display device
Group.
Compared to the prior art, technical solution provided by the invention has at least the following advantages:
The present invention provides a kind of down straight aphototropism mode set and display device, down straight aphototropism mode set includes: substrate；Arrangement
Multiple lamp beads on one surface of substrate have gap area between two lamp beads of arbitrary neighborhood；And it is located at institute
State at least one optical texture on the light direction of lamp bead, wherein each optical texture corresponds at least one described lamp
Pearl, the optical texture are used to the part of the corresponding lamp bead light, and guidance exposes to the corresponding lamp
The gap area of pearl at least side.
As shown in the above, down straight aphototropism mode set provided by the invention, by optical texture by corresponding lamp
The part of pearl goes out light, and guidance exposes to the gap area of at least side of lamp bead corresponding with optical texture, in turn, to compensate phase
The brightness of gap location, improves two neighboring king light pearl in the problem of gap area light mixing deficiency, in turn between adjacent two king light pearls
The problem of the uniformity difference of down straight aphototropism mode set outgoing area source can be improved, and the brightness of area source can also be improved, protected
The display effect for demonstrate,proving display device is high.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of existing structural schematic diagram of down straight aphototropism mode set；
Fig. 2 is a kind of structural schematic diagram of down straight aphototropism mode set provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application；
Fig. 6 is the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application；
Fig. 7 is the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application；
Fig. 8 is the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application；
Fig. 9 is the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application；
Figure 10 is a kind of structural schematic diagram of display device provided by the embodiments of the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, backlight module is divided into side entrance back module and straight according to the difference of light source incidence position
Type backlight mould group.Side entrance back module is luminescent device to be arranged at the light-guide edge of liquid crystal display panel back side setting,
The light that luminescent device issues enters light guide plate from the side of light guide plate, projects after reflection and diffusion from light guide plate light-emitting surface,
Again via optical diaphragm group, liquid crystal display panel is supplied to form area source.And down straight aphototropism mode set is by multiple luminescent devices
It is set up directly on the liquid crystal display panel back side, and then directly forms area source and be supplied to liquid crystal display panel, existing down straight aphototropism mode set
The area source uniformity for forming outgoing is poor.
As shown in Figure 1, being a kind of existing structural schematic diagram of down straight aphototropism mode set, wherein down straight aphototropism mode set
It include: substrate 1 and the multiple lamp beads 2 for being set to 1 one surface of substrate.During existing down straight aphototropism mode set is worked, by
Between the limitation of 2 light emitting angle of lamp bead (light emitting angle shown in corresponding two arrows of each lamp bead as shown in figure 1), adjacent lamp bead 2
Light mixing luminance shortage be in dark space, and then the brightness uniformity for the area source for causing existing down straight aphototropism mode set to be integrally emitted compared with
Difference influences the display effect of display device.
Based on this, the embodiment of the present application provides a kind of down straight aphototropism mode set and display device, improves downward back
Optical mode group is emitted the problem of the uniformity difference of area source, guarantees that the display effect of display device is high.To achieve the above object, this Shen
Please embodiment provide technical solution it is as follows, specifically combine Fig. 2 to Figure 10 to technical solution provided by the embodiments of the present application carry out
Detailed description.It should be noted that representing light by the one direction arrow that lamp bead and optical texture are emitted in following schemes.
Refering to what is shown in Fig. 2, being a kind of structural schematic diagram of down straight aphototropism mode set provided by the embodiments of the present application, wherein
Down straight aphototropism mode set provided by the embodiments of the present application includes:
Substrate 100；
The multiple lamp beads 200 being arranged on 100 1 surface of substrate have between arbitrary neighborhood two lamp beads 200
There is gap area；
And at least one optical texture 300 on the light direction of the lamp bead 200, wherein each light
At least one the corresponding described lamp bead 200 of structure 300 is learned, the optical texture 300 is used for the corresponding lamp bead 200
Part goes out light, and guidance exposes to the gap area of the corresponding at least side of the lamp bead 200.
It should be understood that down straight aphototropism mode set provided by the embodiments of the present application comprising be arranged in the same table of substrate
Multiple lamp beads on face all have gap area between two lamp beads of arbitrary neighborhood；On the light direction of lamp bead, i.e., in lamp bead
Substrate side is provided with multiple optical textures, each optical texture can correspond at least one lamp bead, and different optics knots
Lamp bead corresponding to structure can be different.Wherein, in the down straight aphototropism mode set course of work, a part of lamp bead goes out light and directly goes out
The a part to form area source is penetrated, and another part of lamp bead goes out light and is then guided to the lamp bead at least by corresponding optical texture
The gap area of side, and then can compensate for the brightness of gap location between two neighboring king light pearl, improve two neighboring king light pearl
In the problem of gap area light mixing deficiency, so can improve down straight aphototropism mode set outgoing area source uniformity difference ask
Topic, and the brightness of area source can also be improved, guarantee that the display effect of display device is high.
Lamp bead provided by the present application goes out light and is divided into two parts, i.e., a part, which goes out light and is directly emitted, forms one of area source
Point, and another part of lamp bead goes out light and is then guided by corresponding optical texture to the gap area of at least side of the lamp bead,
In, the part that directly outgoing forms area source, which goes out light, to be the light that goes out of the middle section of lamp bead, and guided by optical texture
Part, which goes out light, can go out light for the fringe region of lamp bead, and guide the fringe region of lamp bead by optical texture as a result, goes out light,
Optical texture can be set to the position directly above of the fringe region of lamp bead, without excessively considering optical texture to lamp bead
The problem of light shield, in order to the shape of optimization design optical texture；Optical texture setting is existed meanwhile, it is capable to avoid the occurrence of
The surface of lamp bead, and the problem of block the excessive brightness for influencing finally formed area source to lamp bead.
In one embodiment of the application, optical texture provided by the present application can be arranged in a one-to-one correspondence with lamp bead, and optics
Structure can be designed as reversed prism.Refering to what is shown in Fig. 3, for the knot of another down straight aphototropism mode set provided by the embodiments of the present application
Structure schematic diagram, wherein the optical texture 300 is corresponded with the lamp bead 200, wherein the optical texture 300 includes position
In on the same plane parallel with the substrate 100, and far from the set gradually on corresponding 200 direction of lamp bead
For one reversed prism 301 to N reversed prism 30n, N is the integer not less than 1.
As shown in figure 3, the first reversed prism 301 provided by the embodiments of the present application is in same plane to N reversed prism 30n
On, and in the direction far from corresponding lamp bead 200 (also that is, from centered on lamp bead 200 to the direction of external diffusion, as shown in Figure 3
The corresponding X-direction of two lamp beads) on, the first reversed prism 301 to N reversed prism 30n is arranged successively.
It should be understood that the middle section of lamp bead 200 goes out light and is directly emitted shape in the down straight aphototropism mode set course of work
At a part of area source, and the part of the fringe region of lamp bead 200 goes out light, then by the first reversed prism 301 to N reversed prism
30n guides the side gap area for exposing to the lamp bead 200, to carry out luminance compensation to the gap area, and then guarantees lamp bead
Middle section go out light and adjacent lamp bead gap area go out light be formed by area source brightness uniformity it is high, and mention simultaneously
The high overall brightness of area source.
Further, provided by the embodiments of the present application in order to guarantee that the gap area of lamp bead surrounding carries out luminance compensation
Reversed prism is arranged around lamp bead, and the light that goes out of the fringe region of lamp bead is guided to the gap area of lamp bead surrounding.With reference to Fig. 4 institute
Show, be another down straight aphototropism mode set provided by the embodiments of the present application structural schematic diagram, wherein the i-th reversed prism in a ring,
And it is arranged around the lamp bead 200；
Wherein, i-th reversed prism is structure as a whole, alternatively, i-th reversed prism includes multiple on circumferential direction
I-th sub- reversed prism, i are the positive integer no more than N.
It should be understood that as shown in figure 4, the first reversed prism 301 to N reversed prism 30n, each reversed prism in a ring,
And be arranged around lamp bead 200, in turn, in the down straight aphototropism mode set course of work, reversed prism is by the edge area of lamp bead 200
Domain goes out light, guides to the gap area of the surrounding of lamp bead 200, expands optical texture to the model of the luminance compensation of gap area
It encloses, further increases the uniformity of area source.
When in order to guarantee that optical texture provided by the embodiments of the present application is reversed prism, lamp bead gap area compensation brightness is reached
It to optimal, is described in detail in conjunction with parameters of the Fig. 5 to reversed prism provided by the embodiments of the present application, Fig. 5 is that the application is real
Apply the structural schematic diagram of another down straight aphototropism mode set of example offer, wherein provided by the embodiments of the present application described first is inverse
Prism 301 is to N reversed prism 30n away from the bottom surface of the lamp bead 200 in same level, wherein first reversed prism 301
It is in reduction trend to height h of the N reversed prism 30n on the vertical horizontal plane.
As shown in figure 5, the height h of the i-th reversed prism provided by the present application is 7 micron -20 micro- in one embodiment of the application
Rice, including endpoint value, i are the positive integer no more than N.And first reversed prism 301 provided by the embodiments of the present application is to
N reversed prism 30n is away from the bottom surface of the lamp bead 200 in same level, wherein in any one section of the vertical horizontal plane
On, the bottom edge center spacing P of two reversed prisms of arbitrary neighborhood is 14 microns -40 microns, including endpoint value, and optionally, spacing P can
Think 24 microns.
As shown in figure 5, in one embodiment of the application, first reversed prism 301 provided by the present application to N reversed prism
30n is away from the bottom surface of the lamp bead 200 in same level, wherein the angle of the incidence surface of the i-th reversed prism and the horizontal plane
A is 157.5 degree of -179.66 degree, including endpoint value.Wherein, angle a provided by the embodiments of the present application can be according to following equation one
It acquires:
A=180 ° -1/2 (arctan (L/ (H-h/2))) (formula one)
Wherein, H is vertical between horizontal plane where bottom surface of the lamp bead to the first reversed prism 301 to N reversed prism 30n
Distance, the half of L spacing between two neighboring lamp bead.It follows that when H provided by the embodiments of the present application is approximately h (according to
H=h is calculated), a=179.66 degree can be acquired；And when H=2L provided by the embodiments of the present application, a=157.5 degree can be acquired,
Thus, the incidence surface of the i-th reversed prism provided by the embodiments of the present application and the first reversed prism 301 to N reversed prism 30n bottom surface institute
It is 157.5 degree of -179.66 degree, including endpoint value in the angle a of horizontal plane.
In one embodiment of the application, light side setting concentration structure can also be gone out in lamp bead, it will be between adjacent lamp bead
Go out light aggregation at gap area, improves the brightness of the area source of down straight aphototropism mode set outgoing.Refering to what is shown in Fig. 6, being this Shen
It please the structural schematic diagram of another down straight aphototropism mode set that provides of embodiment, wherein be located at the lamp bead 200 towards the light
Learn 300 side of structure, further includes:
At least one concentration structure 400, the concentration structure 400 is for assembling between the two neighboring lamp bead 200
Go out light at gap area.
It should be understood that the part of lamp bead 200 goes out in the down straight aphototropism mode set course of work provided by the embodiments of the present application
Light is directly emitted a part as area source, and another part then has the guidance of optical texture 300 at least the one of the lamp bead 200
At side clearance region, to compensate the brightness of gap area.Then, the aggregation for going out light and passing through concentration structure 400 of the gap area
Outgoing is a part of area source afterwards, to improve the emitting brightness of area source.
As shown in fig. 6, the concentration structure 400 provided by the embodiments of the present application includes multiple light-collecting prisms 410, wherein
Going out after light is assembled at gap area is emitted by multiple light-collecting prisms 410, as area source a part.It needs to illustrate
It is the overlay area of all light-collecting prisms 410 provided by the embodiments of the present application, it can be with lamp beads 200 all on substrate 100 mutually
Between the gap area that is formed it is completely corresponding, alternatively, the gap area formed between each other with lamp beads 200 all on substrate 100
Part is corresponding, is not particularly limited to this application；And concentration structure 400 provided by the embodiments of the present application is not limited to
Light-collecting prism 410 can also be other specific structure shapes in the application other embodiments, to this needs according to practical application
Specifically designed.
Refering to what is shown in Fig. 7, be the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application,
In, the down straight aphototropism mode set provided by the embodiments of the present application further include:
Deviate from the diffusion barrier 500 of 200 side of lamp bead positioned at the optical texture 300.
It should be understood that down straight aphototropism mode set provided by the embodiments of the present application, is expanded by being arranged on optical texture 300
Film 500 is dissipated, the uniformity of the area source of down straight aphototropism mode set outgoing can be further increased.Wherein, the embodiment of the present application mentions
The optical texture 300 of confession can be directly anchored to diffusion barrier 500 towards 200 side of lamp bead.
As shown in figure 8, being the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application, wherein
When down straight aphototropism mode set provided by the embodiments of the present application includes concentration structure 400, concentration structure 400 can equally be fixed
It is set on diffusion barrier 500.
It should be noted that concentration structure provided by the embodiments of the present application can be fixed on diffusion barrier away from optical texture one
Side, alternatively, concentration structure can be fixed on diffusion barrier towards optical texture side, this application is not particularly limited, need
It specifically to be designed according to practical application.
Refering to what is shown in Fig. 9, be the structural schematic diagram of another down straight aphototropism mode set provided by the embodiments of the present application,
In, down straight aphototropism mode set provided by the embodiments of the present application can also include a bright enhancement film 600, wherein bright enhancement film 600 is arranged
Deviate from 200 side of lamp bead in diffusion barrier 500, down straight aphototropism mode set outgoing is further increased by the setting of bright enhancement film 600
The brightness of area source.
And down straight aphototropism mode set provided by the embodiments of the present application further includes the knot such as supporting substrate, diffusion barrier, bright enhancement film
The braced frame of structure.
In the above-mentioned any one embodiment of the application, lamp bead described in the embodiment of the present application is Mini-LED lamp bead.Wherein, originally
The substrate for applying for that embodiment provides is the substrate for being disposed with driver circuit, by Mini-LED (Light Emitting Diode, hair
Optical diode) on substrate, then use spraying or membrane pressure mode fixed fluorescent powder are obtained with Mini-LED lamp chip piece
The down straight aphototropism mode set of pearl.And the down straight aphototropism mode set provided by the embodiments of the present application with Mini-LED lamp bead, knot
The backlight drive mode for closing Local Dimming can be realized high dynamic range on the basis of improving display device display effect
It has been shown that, and can reduce backlight power consumption.
Correspondingly, the display device includes above-mentioned any one reality the embodiment of the present application also provides a kind of display device
The down straight aphototropism mode set of example offer is provided.
Refering to what is shown in Fig. 10, being a kind of structural schematic diagram of display device provided by the embodiments of the present application, wherein display dress
It sets and includes:
Display panel 1000；
And the down straight aphototropism mode set 2000 that above-mentioned any one embodiment provides.
Wherein, display panel includes the color membrane substrates being oppositely arranged and array substrate, and is located at color membrane substrates and array base
Liquid crystal layer between plate, it is same as the prior art to this, therefore extra repeat is not done.
It includes: base that the embodiment of the present application, which provides a kind of down straight aphototropism mode set and display device, down straight aphototropism mode set,
Plate；The multiple lamp beads being arranged on one surface of substrate have gap area between two lamp beads of arbitrary neighborhood；With
And at least one optical texture on the light direction of the lamp bead, wherein each optical texture corresponding at least one
A lamp bead, the optical texture are used to the part of the corresponding lamp bead light, and guidance exposes to corresponding
The lamp bead at least side gap area.
As shown in the above, down straight aphototropism mode set provided by the embodiments of the present application, will be right with it by optical texture
The part for the lamp bead answered goes out light, and guidance exposes to the gap area of at least side of lamp bead corresponding with optical texture, in turn, with
The brightness for compensating gap location between two neighboring king light pearl improves two neighboring king light pearl and asks gap area light mixing is insufficient
Topic, and then the problem of the uniformity difference of down straight aphototropism mode set outgoing area source can be improved, and area source can also be improved
Brightness guarantees that the display effect of display device is high.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (12)
1. a kind of down straight aphototropism mode set characterized by comprising
Substrate；
The multiple lamp beads being arranged on one surface of substrate have gap area between two lamp beads of arbitrary neighborhood；
And at least one optical texture on the light direction of the lamp bead, wherein each optical texture is corresponding
At least one described lamp bead, the optical texture are used to the part of the corresponding lamp bead going out light, guidance expose to
The gap area of its corresponding lamp bead at least side.
2. down straight aphototropism mode set according to claim 1, which is characterized in that the optical texture and the lamp bead are one by one
It is corresponding, wherein the optical texture include be located at on the same plane of the substrate-parallel, and far from corresponding described
For the first reversed prism set gradually on lamp bead direction to N reversed prism, N is the integer not less than 1.
3. down straight aphototropism mode set according to claim 2, which is characterized in that the i-th reversed prism is in a ring and around described
Lamp bead setting；
Wherein, i-th reversed prism is structure as a whole, alternatively, i-th reversed prism includes multiple i-th on circumferential direction
Sub- reversed prism, i are the positive integer no more than N.
4. down straight aphototropism mode set according to claim 2, which is characterized in that first reversed prism to N reversed prism
Bottom surface away from the lamp bead is in same level, wherein first reversed prism to the N reversed prism is in the vertical water
Height in plane is in reduction trend.
5. down straight aphototropism mode set according to claim 4, which is characterized in that the height of the i-th reversed prism is 7 micron -20
Micron, including endpoint value, i are the positive integer no more than N.
6. down straight aphototropism mode set according to claim 2, which is characterized in that first reversed prism to N reversed prism
Bottom surface away from the lamp bead is in same level, wherein on any one section of the vertical horizontal plane, arbitrary neighborhood two
The bottom edge center spacing of a reversed prism is 14 microns -40 microns, including endpoint value.
7. down straight aphototropism mode set according to claim 2, which is characterized in that first reversed prism to N reversed prism
Bottom surface away from the lamp bead is in same level, wherein the incidence surface of the i-th reversed prism and the angle of the horizontal plane are
157.5 degree of -179.66 degree, including endpoint value.
8. down straight aphototropism mode set according to claim 2, which is characterized in that be located at the lamp bead towards the optics knot
Structure side, further includes:
At least one concentration structure, the concentration structure are used to assemble going out at the gap area between the two neighboring lamp bead
Light.
9. down straight aphototropism mode set according to claim 8, which is characterized in that the concentration structure includes multiple optically focused ribs
Mirror.
10. down straight aphototropism mode set according to claim 2, which is characterized in that the down straight aphototropism mode set further include:
Deviate from the diffusion barrier of the lamp bead side positioned at the optical texture.
11. down straight aphototropism mode set according to claim 1, which is characterized in that the lamp bead is Mini-LED lamp bead.
12. a kind of display device, which is characterized in that the display device includes straight described in claim 1~11 any one
Type backlight mould group.
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| CN201811442026.6A CN109283745B (en) | 2018-11-29 | 2018-11-29 | Direct type backlight module and display device |
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| CN201811442026.6A CN109283745B (en) | 2018-11-29 | 2018-11-29 | Direct type backlight module and display device |
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| CN114187835A (en) * | 2021-12-10 | 2022-03-15 | Tcl华星光电技术有限公司 | Backlight module and display device |
| CN114594630A (en) * | 2022-03-03 | 2022-06-07 | 厦门天马微电子有限公司 | Backlight module and display device |
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| CN109283745B (en) | 2022-03-01 |
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