CN209215752U - A kind of light field 3 d display device based on LED encapsulation unit - Google Patents
A kind of light field 3 d display device based on LED encapsulation unit Download PDFInfo
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- CN209215752U CN209215752U CN201822041122.1U CN201822041122U CN209215752U CN 209215752 U CN209215752 U CN 209215752U CN 201822041122 U CN201822041122 U CN 201822041122U CN 209215752 U CN209215752 U CN 209215752U
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- light
- encapsulation unit
- led encapsulation
- cylindrical lens
- display device
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Abstract
The utility model proposes a kind of light field 3 d display device based on LED encapsulation unit.The light field 3 d display device based on LED encapsulation unit is composed of a large amount of LED encapsulation unit forming arrays.The LED encapsulation unit is made of pedestal, multiple light emitting diodes, the first cylindrical lens, scattering layer, the second cylindrical lens and encapsulating housing, light emitting diode different in LED encapsulation unit can be projected to different direction in spaces, thus the outgoing situation of the light of corresponding position in different directions in simulating stereo space, therefore the array being made of it is capable of forming the light field for stereoscopic display.When human eye is in the different location in light field, it can be seen that light corresponding with its position, so as to form parallax and generate three-dimensional sense organ.
Description
Technical field
The utility model relates to display technologies, and more specifically, the utility model relates to light field stereo display techniques.
Background technique
3D display technology can be achieved on a kind of display technology of stereo scene true reappearance, can mention respectively for human eye
For different anaglyphs, to make one to generate stereoscopic vision.It is beam splitter usually using slit grating, cylindrical lens, will
Pixel projection is to assigned direction.When human eye point is in different location, it can be seen that corresponding anaglyph, to realize
Stereoscopic vision.Conventional stereo display device provides synthesized parallax image when realizing stereoscopic display, frequently with 2D display panel.By
It is difficult to realize large scale in the 2D display panel of traditional such as liquid crystal display panel, OLED display panel to show, therefore this reality
A kind of light field 3 d display device based on LED encapsulation unit is proposed with novel.
Summary of the invention
The utility model proposes a kind of light field 3 d display device based on LED encapsulation unit.Attached drawing 1 is
The structural schematic diagram of the light field 3 d display device based on LED encapsulation unit.It should be based on LED package list
The light field 3 d display device of member is composed of a large amount of LED encapsulation unit forming arrays.The light emitting diode envelope
Dress unit is made of pedestal, multiple light emitting diodes, the first cylindrical lens, scattering layer, the second cylindrical lens and encapsulating housing, can be incited somebody to action
Different light emitting diodes projects different direction in spaces in LED encapsulation unit, thus right in simulating stereo space
The outgoing situation of the light of position in different directions is answered, therefore the array being made of it is capable of forming the light for stereoscopic display
?.When human eye is in the different location in light field, it can be seen that light corresponding with its position, so as to form parallax simultaneously
Generate three-dimensional sense organ.
Its principle is it is to be understood that be arranged a transparent plate in any solid space scene, which is placed in vertical
Between body scene and viewer.Viewer can see the stereopsis of the spatial scene by the plate.On the transparent plate
Arbitrary point on, there is the light from solid space scene thereafter to pass through, human eye can see that the rear by the point
Stereo scene.When position of human eye difference, the pixel in solid space scene seen by the point is not identical, i.e., vertical
Body spatial scene is different by the light that the point is emitted in a different direction.The utility model based on LED package
LED encapsulation unit in the light field 3 d display device of unit can provide different outgoing in a different direction
Light, property are identical with the arbitrary point on above-mentioned transparent plate.Therefore when the LED encapsulation unit is combined into array
When, the light field of corresponding solid space scene can be formed, to realize stereoscopic display.
The LED encapsulation unit is by pedestal, multiple light emitting diodes, the first cylindrical lens, scattering layer, the second column
Lens and encapsulating housing composition.Multiple light emitting diodes are installed on the pedestal.The multiple light emitting diode has difference
Horizontal position, therefore the multiple light emitting diode transmitting light can be projected on the scattering layer by the first cylindrical lens
Different level position.The scattering layer can be with forescatering light.Light from different light emitting diodes is due to dissipating
The horizontal position for penetrating imaging on layer is different, and after being scattered layer scattering, light can be projected different by the second cylindrical lens
Horizontal space direction.The encapsulating housing is around the light emitting diode, first cylindrical lens, the scattering layer and described the
Two cylindrical lens surroundings, but the path from the second cylindrical lens emergent ray is reserved, it is used to protect fixed light emitting diode, described
One cylindrical lens, the scattering layer and second cylindrical lens, coat light absorbing material, to reduce variant light-emitting diodes thereon
Light interference between pipe.
If the focal length of first cylindrical lens of LED encapsulation unit isf, each light emitting diode to the first cylindrical lens
Distance bel 1, the distance of the first cylindrical lens to scattering layer isl 2.Preferably, above-mentioned parameter should meet:,.By
In, each light emitting diode, which can reduce, to be imaged at scattering layer position, the width of imaging in the horizontal direction
It should be with the ratio between the original width of light emitting diode in the horizontal direction by similar triangle theory.On the scattering layer, due to
The real standard spacing of more each light emitting diode of the horizontal space of the picture of each light emitting diode is smaller, convenient for reducing light emitting diode
The volume of encapsulation unit.
Optionally, settable additional second cylindrical lens are to project more direction for light.
Optionally, the first cylindrical lens can be replaced slit.
Optionally, the second cylindrical lens can be replaced slit.
Optionally, the first cylindrical lens can be replaced lens.
Optionally, the second cylindrical lens can be replaced lens.
A kind of light field 3 d display device based on LED encapsulation unit of the utility model is due to that can will send out
Different light emitting diodes projects different direction in spaces in optical diode encapsulation unit, thus in simulating stereo space, it is right
The outgoing situation of the light of position in different directions is answered, therefore the array being made of it is capable of forming the light for stereoscopic display
?.The solid light field is when human eye is in the different location in light field, it can be seen that light corresponding with its position, so as to
It forms parallax and generates three-dimensional sense organ.Since a kind of light field solid based on LED encapsulation unit of the utility model is aobvious
Using LED encapsulation unit, cyclic extension is prepared showing device in space, therefore it is aobvious to be easy to implement large scale solid
Show.Further, since two layers of cylindrical lens beam-splitting structure in the LED encapsulation unit, the integral thickness of the device are easy to
Control.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic illustration of LED encapsulation unit in the utility model.
Icon: light field 3 d display device of the 010- based on LED encapsulation unit；100- LED package
Unit；110- substrate；121- light emitting diode one；122- light emitting diode two；123- light emitting diode three；124- light-emitting diodes
Guan Si；125- light emitting diode five；126- light emitting diode six；130- encapsulating housing；The first cylindrical lens of 140-；150- scattering
Layer；The second cylindrical lens of 160-；Additional second cylindrical lens of 170-.
It should be understood that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that term " first ", " second " etc. are only used for distinguishing
Description, is not understood to indicate or imply relative importance.
Embodiment
Fig. 1 is the structure of the light field 3 d display device 010 provided in this embodiment based on LED encapsulation unit
Schematic diagram, the horizontal direction in figure in x coordinate representation space, the vertical direction in y coordinate representation space, the direction z indicates vertical
In the axial direction of x-y plane.Please refer to Fig. 1, should light field 3 d display device 010 based on LED encapsulation unit by
A large amount of 100 forming arrays of LED encapsulation unit are composed.The LED encapsulation unit 100 can be in difference
Direction in space on projection from different light emitting diodes light, so that the light of corresponding position exists in simulating stereo space
Outgoing situation on different directions, therefore the array being made of it is capable of forming the light field for stereoscopic display.When human eye is in
When different location in light field, it can be seen that light corresponding with its position, so as to form parallax and generate three-dimensional sense organ.
Its principle is it is to be understood that be arranged a transparent plate in any solid space scene, which is placed in vertical
Between body scene and viewer.Viewer can see the stereopsis of the spatial scene by the plate.On the transparent plate
Arbitrary point on, there is the light from solid space scene thereafter to pass through, human eye can see that the rear by the point
Stereo scene.When position of human eye difference, the pixel in solid space scene seen by the point is not identical, i.e., vertical
Body spatial scene is different by the light that the point is emitted in a different direction.The utility model based on LED package
LED encapsulation unit 100 in the light field 3 d display device 010 of unit can provide difference in a different direction
Emergent ray, property is identical with the arbitrary point on above-mentioned transparent plate.Therefore work as 100 groups of the LED encapsulation unit
When integrated array, the light field of corresponding solid space scene can be formed, to realize stereoscopic display.
Below the light field 3 d display device 010 to provided in this embodiment based on LED encapsulation unit carry out into
One step explanation.
Fig. 2 is the schematic illustration of LED encapsulation unit in the utility model.Referring to figure 2., described luminous two
Pole pipe encapsulation unit 100 is by pedestal 110, multiple light emitting diodes 121 ~ 126, the first cylindrical lens 140, scattering layer 150, the second column
Lens 160 and encapsulating housing 130 form.Multiple light emitting diodes 121 ~ 126 are installed on the pedestal.The multiple luminous two
Pole pipe 121 ~ 126 has different horizontal positions, therefore the light that the multiple light emitting diode 121 ~ 126 emits can be by the
One cylindrical lens 140 project the different level position on the scattering layer 150.The scattering layer 150 is minimum by pitch and focal length
Lenticular screen constitute, can be with forescatering light.Light from different light emitting diodes 121 ~ 126 is due to scattering
The horizontal position of imaging is different on layer 150, and after being scattered that layer 150 scatters, light can be projected by the second cylindrical lens 160
Different horizontal space directions.The encapsulating housing 130 is cylindrical in space, the circular light emitting diode 121 ~ 126,
First cylindrical lens 140, the scattering layer 150 and 160 surrounding of the second cylindrical lens, but reserve from the second cylindrical lens 160
The path of emergent ray is used to protect fixed light emitting diode 121 ~ 126, first cylindrical lens 140, the scattering layer
150 and second cylindrical lens 160, light absorbing material is coated thereon, to reduce between variant light emitting diode 121 ~ 126
Light interference.
If the focal length of 100 first cylindrical lens 140 of LED encapsulation unitfFor 4.5455 mm, each light-emitting diodes
The distance of the 121 ~ 126 to the first cylindrical lens of pipe 140l 1For 50 mm, the first cylindrical lens 140 arrive the distance of scattering layer 150l 2It is 5
mm.Above-mentioned parameter meets:,.Due to, each light emitting diode 121 ~ 126 can reduce imaging
At 150 position of scattering layer, imaging width in the horizontal direction and light emitting diode 121 ~ 126 are in the horizontal direction
The ratio between original width should be 1/10 by similar triangle theory.On scattering layer 150, due to each light emitting diode 121 ~ 126
Picture more each light emitting diode 121 ~ 126 of horizontal space real standard spacing it is smaller, convenient for reduce LED package
The volume of unit 100.
A kind of light field 3 d display device 010 based on LED encapsulation unit of the utility model is due to that can incite somebody to action
6 different light emitting diodes 121 ~ 126 project different direction in spaces in LED encapsulation unit 100, thus mould
In quasi- solid space, the outgoing situation of the light of corresponding position in different directions, therefore the array being made of it is capable of forming
Light field for stereoscopic display.When human eye is in the different location in light field, it can be seen that light corresponding with its position, from
And parallax can be formed and generate three-dimensional sense organ.Due to a kind of light field based on LED encapsulation unit of the utility model
Using LED encapsulation unit 100, cyclic extension is prepared 3 d display device 010 in space, therefore is easy to implement
Large scale stereoscopic display.Further, since two layers of cylindrical lens beam-splitting structure in the LED encapsulation unit 100, the dress
The integral thickness set is easily controllable.
Claims (8)
1. a kind of light field 3 d display device based on LED encapsulation unit, it is characterised in that: light-emitting diodes should be based on
The light field 3 d display device of pipe encapsulation unit is composed of a large amount of LED encapsulation unit forming arrays, described to shine
Diode encapsulation units are by pedestal, multiple light emitting diodes, the first cylindrical lens, scattering layer, the second cylindrical lens and encapsulating housing group
At light emitting diode different in LED encapsulation unit capable of being projected to different direction in spaces, so that simulation is vertical
The outgoing situation of the light of corresponding position in different directions in body space, therefore the array being made of it is capable of forming for standing
The light field that body is shown, when human eye is in the different location in light field, it can be seen that light corresponding with its position, so as to
It forms parallax and generates three-dimensional sense organ.
2. a kind of light field 3 d display device based on LED encapsulation unit as described in claim 1, feature exist
In: multiple light emitting diodes are installed, the multiple light emitting diode has difference on the pedestal of LED encapsulation unit
Horizontal position, the light that horizontal different light emitting diode is emitted can be projected on the scattering layer by the first cylindrical lens
Different level position, the scattering layer can be scattered layer with forescatering light, the light from different light emitting diodes
After scattering, light can project different horizontal space directions by the second cylindrical lens.
3. a kind of light field 3 d display device based on LED encapsulation unit as described in claim 1, feature exist
In: set the focal length of first cylindrical lens of LED encapsulation unit asf, distance of each light emitting diode to the first cylindrical lens
Forl 1, the distance of the first cylindrical lens to scattering layer isl 2, above-mentioned parameter satisfaction:,。
4. a kind of light field 3 d display device based on LED encapsulation unit as described in claim 1, feature exist
In: settable additional second cylindrical lens are to project more direction for light.
5. a kind of light field 3 d display device based on LED encapsulation unit as described in claim 1, feature exist
In: the first cylindrical lens can be replaced slit.
6. a kind of light field 3 d display device based on LED encapsulation unit as described in claim 1, feature exist
In: the second cylindrical lens can be replaced slit.
7. a kind of light field 3 d display device based on LED encapsulation unit as described in claim 1, feature exist
In: the first cylindrical lens can be replaced lens.
8. a kind of light field 3 d display device based on LED encapsulation unit as described in claim 1, feature exist
In: the second cylindrical lens can be replaced lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201822041122.1U CN209215752U (en) | 2018-12-06 | 2018-12-06 | A kind of light field 3 d display device based on LED encapsulation unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822041122.1U CN209215752U (en) | 2018-12-06 | 2018-12-06 | A kind of light field 3 d display device based on LED encapsulation unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283693A (en) * | 2018-12-06 | 2019-01-29 | 成都工业学院 | A kind of light field 3 d display device based on LED encapsulation unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283693A (en) * | 2018-12-06 | 2019-01-29 | 成都工业学院 | A kind of light field 3 d display device based on LED encapsulation unit |
| CN109283693B (en) * | 2018-12-06 | 2023-11-24 | 成都工业学院 | Light field stereoscopic display device based on light-emitting diode packaging unit |
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