CN208621883U - A kind of down straight aphototropism mode set - Google Patents
A kind of down straight aphototropism mode set Download PDFInfo
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- CN208621883U CN208621883U CN201821374592.3U CN201821374592U CN208621883U CN 208621883 U CN208621883 U CN 208621883U CN 201821374592 U CN201821374592 U CN 201821374592U CN 208621883 U CN208621883 U CN 208621883U
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- down straight
- mode set
- diffusion barrier
- straight aphototropism
- aphototropism mode
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Abstract
The utility model provides a kind of down straight aphototropism mode set, including backboard and LED lamp panel, institute's LED lamp panel is placed in backboard, diffusion barrier is set in backboard, multiple micro-structures are set on diffusion barrier for astigmatism, micro-structure includes central part, transition part and edge part, the density of texture relative maximum of central part, corresponding with the LED of LED lamp panel, transition part is looped around the periphery of central part, and edge part is looped around the periphery of institute's transition part and density of texture is relatively minimal.Multiple holes are set between micro-structure for light transmission.A part of light that LED is issued is spread by being weakened when micro-structure.Weaken degree is smaller when a part of light through hole, can reduce the luminance difference of different zones, so that the uniformity that guarantee light is shown on the whole is to promote backlight effect.It is acted on by the light mixing of diffusion barrier, extends the light emitting angle of LED, shorten light mixing distance, be conducive to thickness thinning.
Description
Technical field
The utility model relates to backlight technology fields, and in particular to a kind of down straight aphototropism mode set.
Background technique
Liquid crystal display is a kind of passively luminescent device, itself does not shine, and backlight module is needed to provide light source
It is set to show image to liquid crystal display panel.Since backlight module has the characteristics that frivolous and power saving, it is widely used in liquid crystal
It shows in equipment.
At this stage, the backlight module of liquid crystal display is divided according to optical texture, can be divided into two kinds: side entering type and it is straight under
Formula.Side entering type is the side that light source is placed on to panel, and straight-down negative is the downside that light source is placed on to panel.Due to downward back
Optical mode group does not need setting light guide plate compared to side entrance back module, deep by the majority of consumers with its quality-high and inexpensive advantage
It welcomes.
It is uniform to obtain in the case where LED quantity is constant and luminous zone size is constant for down straight aphototropism mode set
Illumination effect, be usually to make LED far from luminous zone.But with the requirement that product thickness is thinned in market, direct type backlight mould group
It need to become thin.The light emitting angle of LED is usually 120 degree, and when the spacing between two LED is bigger, dark space therebetween is got over
Obviously.When the light emitting angle crosspoint of two LED is closer far from luminous zone surface, dark space is just more obvious.In order to meet downward back
The frivolous requirement of optical mode group and when doing thin, crosspoint is just closer from luminous zone surface or even exceeds luminous zone surface.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of down straight aphototropism mode set, including backboard and LED lamp panel,
Diffusion barrier is set in the backboard, multiple micro-structures are set on the diffusion barrier for astigmatism, are set between the micro-structure
Multiple holes are set for light transmission.
In order to solve the above-mentioned technical problem, the solution of the utility model is:
A kind of down straight aphototropism mode set, including backboard and LED lamp panel, the LED lamp panel are placed in the backboard, in institute
State and diffusion barrier be set in backboard, multiple micro-structures are set on the diffusion barrier for astigmatism, the micro-structure include central part,
Transition part and edge part, the density of texture relative maximum of the central part, the transition part corresponding with the LED of the LED lamp panel
It is looped around the periphery of the central part, the edge part is looped around the periphery of the transition part and density of texture is relatively minimal；?
Multiple holes are set between the micro-structure for light transmission.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, the micro-structure is on the diffusion barrier
It is transversely and longitudinal regularly arranged.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, the micro-structure is to be formed in the expansion
Dissipate the concave arc structure on film or coarse processing molding structure.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, the incomplete phase of diameter in multiple holes
Together.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, it is arranged on the bottom plate of the backboard anti-
Penetrate piece.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, it is arranged in the diffusion barrier side and spreads
Plate.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, it is fixed to be arranged on the side plate of the backboard
Position platform, including stage body and contact platform, contact platform is for contacting positioning with diffusion barrier.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, compound rib is set on the diffusion barrier
Eyeglass, composite prism piece include upper prismatic lens and lower prismatic lens, and the upper prismatic lens and the lower prismatic lens are connected by binder
It connects.
As a kind of improvement of down straight aphototropism mode set provided by the utility model, the lower prismatic lens include PET substrate
With the multiple high prisms and multiple low prisms being located on the PET substrate, two semicircles are set between the adjacent high prism
The low prism of shape.
Compared with prior art, the utility model has the beneficial effects that
Diffusion barrier is set in the backboard of down straight aphototropism mode set, multiple micro-structures are set on the diffusion barrier for dissipating
Multiple holes are arranged for light transmission in light between the micro-structure.In a part of light that the strong region of light, the LED issue
It is spread due to region mist degree increasing is weakened when the micro-structure being closer.In the weak region of light, a part
Weaken degree is smaller when light is by apart from farther away hole, can reduce the luminance difference of different zones, to guarantee light on the whole
The uniformity that line is shown can also reduce the quantity of LED to promote backlight effect.
It is acted on by the light mixing of diffusion barrier, extends the light emitting angle of LED, can avoid using optical lens, reduced straight
The cost of type backlight mould group.It is acted on simultaneously by the light mixing of diffusion barrier, shortens light mixing distance, be conducive to that downward back is thinned
The thickness of optical mode group, to realize lightening design and use demand.
Detailed description of the invention
Fig. 1 is a kind of light schematic diagram of down straight aphototropism mode set of the prior art；
Fig. 2 is the light schematic diagram of another down straight aphototropism mode set of the prior art；
Fig. 3 be the utility model proposes a kind of down straight aphototropism mode set structural schematic diagram；
Fig. 4 is the schematic diagram that bottom plate is arranged in LED；
Fig. 5 is diffusion barrier schematic diagram；
Fig. 6 is the partial structurtes enlarged diagram on the diffusion barrier in Fig. 5 shown in A；
Fig. 7 is a kind of composite prism chip architecture schematic diagram.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples, the examples of the embodiments are in attached drawing
In show, in which the same or similar labels are throughly indicated same or similar elements or with the same or similar functions
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and cannot understand
For limitations of the present invention.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
Calmly ", the terms such as " setting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also may be used also indirectly connected through an intermediary
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figure 1, a kind of luminous schematic diagram of existing down straight aphototropism mode set.The light emitting angle a of LED is usually
120 degree, when the spacing P between two LED is bigger, dark space therebetween is just more obvious.When the light emitting angle crosspoint of two LED
B is closer from luminous zone surface, and dark space is just more obvious.When doing thin to meet the frivolous requirement of down straight aphototropism mode set, shine
Angle crosspoint b is just closer from luminous zone surface or even exceeds luminous zone surface, as shown in Figure 2.In view of the above-mentioned problems, this is practical
It is novel to be designed by the way that diffusion barrier is arranged in down straight aphototropism mode set and carries out structure to it to improve.
Embodiment 1
As shown in Figure 3 and Figure 4, show the utility model proposes a kind of down straight aphototropism mode set, including 1 He of backboard
LED lamp panel 2.The backboard 1 includes bottom plate 10 and the side plate 11 positioned at 10 edge of bottom plate, and the side plate 11 can vertical or inclination.
The LED lamp panel 2 include circuit board 20 and LED21, multiple LED21 it is arranged in arrays on the circuit board 20 and and its
Electrical connection.The circuit board 20 is fixed on the bottom plate 10.
It is further improved, as shown in Figure 3, Figure 5 and Figure 6, the space above the LED lamp panel 2 in the backboard 1
Interior setting diffusion barrier 8.The multiple micro-structures for carrying out process to part and being formed are arranged on the diffusion barrier 8 to be used to dissipate
Light, and the not exactly the same hole of diameter dimension is preferably provided with for light transmission, specially multiple macropores 71 and aperture 70.Multiple institutes
Stating micro-structure includes central part 80, transition part 81 and edge part 82.The central part 80 is correspondingly arranged with the LED21, face
Pair light it is most strong, therefore the density of texture relative maximum of the central part 80, to scatter light.81 ring of transition part
It is wound on the periphery of the central part 80, the edge part 82 is looped around the periphery of the transition part 81, and the edge part 82 is because of face
Pair light it is weaker and density of texture is relatively minimal.The different zones of the micro-structure can make light generate different scattering effects
Fruit.Multiple micro-structures preferably but are not limited to transversely and longitudinal regularly arranged on the diffusion barrier 8.It is multiple described big
The region that hole 71 and the aperture 70 are arranged between multiple micro-structures relatively far away from from the LED21 faces
Light is weaker.It should be noted that the micro-structure can be the concave arc structure being formed on the diffusion barrier 8 or coarse be processed into
Type structure, other molding structures satisfied the use demand.About molding mode, mold molding can be used or other can recruitment
Process.
In the strong region of light, a part of light that the LED21 is issued passes through the institute for the micro-structure being closer
When stating central part 80, it is weakened and spreads because of region mist degree increasing.In the weak region of light, a part of light passes through distance
Weaken degree is smaller when the farther away macropore 71 and the aperture 70, can reduce the luminance difference of different zones, thus in entirety
The uniformity that upper guarantee light is shown can also reduce the quantity of LED to promote backlight effect.
It is acted on by the light mixing of the diffusion barrier 8, extends the light emitting angle of the LED21, also can avoid using optics
Lens reduce the cost of down straight aphototropism mode set.It is acted on simultaneously by the light mixing of the diffusion barrier 8, shortens light mixing distance,
Be conducive to the thickness that down straight aphototropism mode set is thinned, to realize lightening design and use demand.
It is further improved, the diameter of the micro-structure, the macropore 71 and the aperture 70 is depending on service condition.
It is further improved, the shape of the micro-structure, the macropore 71 and the aperture 70 can be round and polygon
Shape.
It is further improved, the settable optical lens (not shown) on the LED21, keeps light uniform lift aobvious
Show effect.
It is further improved, as shown in figure 3, positioning table 4 is arranged on the side plate 11, including stage body 40 and contact platform
41, the one side of the stage body 40 contacts fixation with the side plate 11, contacts fix with the contact platform 41 on one side.The contact platform
41 make its positioning for contacting with the diffusion barrier 8.The quantity of the positioning table 4 and position can be depending on service conditions.It can also
In the side of the diffusion barrier 8, setting double-sided adhesive and the side plate 11, which are pasted, fixes.
It is further improved, diffuser plate 3 is disposed adjacent with the diffusion barrier 8, and is fixed on the side plate 11, to light
Diffusion and atomizing can be played.
It is further improved, as shown in figure 3, one layer of reflector plate 5 and preferably white reflection piece are arranged on the bottom plate 10, uses
It is reflected in the light that will be mapped to the bottom plate 10.In 5 upper opening of reflector plate, so as not to be interfered with the LED21.
Embodiment 2
The utility model proposes a kind of improved down straight aphototropism mode sets, including backboard 1 and LED lamp panel 2.The backboard
1 includes bottom plate 10 and the side plate 11 positioned at 10 edge of bottom plate, and the side plate 11 can vertical or inclination.The LED lamp panel 2 includes electricity
Road plate 20 and LED21, multiple LED21 are arranged in arrays on the circuit board 20 and to be connected electrically.The circuit board
20 are fixed on the bottom plate 10.
Diffusion barrier 8 is set in the space above the LED lamp panel 2.Setting carries out work to part on the diffusion barrier 8
Multiple micro-structures that skill is handled and formed are used for astigmatism, and are preferably provided with the not exactly the same hole of diameter dimension and are used for light transmission,
Specially multiple macropores 71 and aperture 70.Multiple micro-structures include central part 80, transition part 81 and edge part 82.In described
Center portion 80 is correspondingly arranged with the LED21, and the light faced is most strong, therefore the density of texture of the central part 80 is relatively most
Greatly, to scatter light.The transition part 81 is looped around the periphery of the central part 80, and the edge part 82 is looped around described
The periphery of transition part 81, the edge part 82 density of texture due to the light faced is weaker are relatively minimal.The micro-structure is not
Same region can make light generate different dispersion effects.
It is further improved, as shown in fig. 7, composite prism piece, including upper prismatic lens 60 are arranged on the outside of the diffusion barrier 8
With lower prismatic lens 61, the upper prismatic lens 60 and the lower prismatic lens 61 are connected by binder 62.The upper prismatic lens 60 wrap
Include PET substrate 600 and the multiple shapes and the identical prism 601 of size on the PET substrate 600.The lower prism
Piece 61 includes PET substrate 610 and multiple high prisms 612 and multiple low prisms 611 on the PET substrate 610, in phase
Two semicircular low prisms 611, the high prism 612 and the low prism 611 are set between the adjacent high prism 612
Quantity can be depending on service condition.The high prism 612 is contacted with the binder 62, the low prism 611 not with it is described
Binder 62 contacts.It is propagated by low 611 deflecting light beams of prism from optically denser medium to optically thinner medium with to composite prism piece
Centre gather, to promote backlight effect.The composite prism piece can increase luminance, further promote backlight effect.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (9)
1. a kind of down straight aphototropism mode set, including backboard and LED lamp panel, the LED lamp panel are placed in the backboard, feature
It is, diffusion barrier is set in the backboard, multiple micro-structures is set on the diffusion barrier for astigmatism, the micro-structure packet
Central part, transition part and edge part are included, the density of texture relative maximum of the central part is corresponding with the LED of the LED lamp panel,
The transition part is looped around the periphery of the central part, and the edge part is looped around the periphery of the transition part and density of texture phase
To minimum；Multiple holes are set between the micro-structure for light transmission.
2. down straight aphototropism mode set according to claim 1, which is characterized in that micro-structure edge on the diffusion barrier
Transverse direction and longitudinal direction is regularly arranged.
3. down straight aphototropism mode set according to claim 1, which is characterized in that the micro-structure is to be formed in the diffusion
Concave arc structure or coarse processing molding structure on film.
4. down straight aphototropism mode set according to claim 1, which is characterized in that the incomplete phase of diameter in multiple holes
Together.
5. down straight aphototropism mode set according to claim 1, which is characterized in that reflection is arranged on the bottom plate of the backboard
Piece.
6. down straight aphototropism mode set according to claim 1, which is characterized in that be arranged in the diffusion barrier side and spread
Plate.
7. down straight aphototropism mode set according to claim 1, which is characterized in that positioning is arranged on the side plate of the backboard
Platform, including stage body and contact platform, contact platform is for contacting positioning with diffusion barrier.
8. down straight aphototropism mode set according to claim 1, which is characterized in that composite prism is arranged on the diffusion barrier
Piece, composite prism piece include upper prismatic lens and lower prismatic lens, and the upper prismatic lens are connected with the lower prismatic lens by binder.
9. down straight aphototropism mode set according to claim 8, which is characterized in that the lower prismatic lens include PET substrate and
Two semicircles are arranged in multiple high prisms and multiple low prisms on the PET substrate between the adjacent high prism
The low prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374592.3U CN208621883U (en) | 2018-08-24 | 2018-08-24 | A kind of down straight aphototropism mode set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374592.3U CN208621883U (en) | 2018-08-24 | 2018-08-24 | A kind of down straight aphototropism mode set |
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| Publication Number | Publication Date |
|---|---|
| CN208621883U true CN208621883U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821374592.3U Active CN208621883U (en) | 2018-08-24 | 2018-08-24 | A kind of down straight aphototropism mode set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238178A1 (en) * | 2019-05-30 | 2020-12-03 | 华为技术有限公司 | Backlight module, display screen and mobile terminal |
-
2018
- 2018-08-24 CN CN201821374592.3U patent/CN208621883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238178A1 (en) * | 2019-05-30 | 2020-12-03 | 华为技术有限公司 | Backlight module, display screen and mobile terminal |
| US11320696B2 (en) | 2019-05-30 | 2022-05-03 | Huawei Technologies Co., Ltd. | Backlight module, display, and mobile terminal |
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