CN109870759A - Light guiding optics element and the method for forming light guiding optics element - Google Patents
Light guiding optics element and the method for forming light guiding optics element Download PDFInfo
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- CN109870759A CN109870759A CN201711249113.5A CN201711249113A CN109870759A CN 109870759 A CN109870759 A CN 109870759A CN 201711249113 A CN201711249113 A CN 201711249113A CN 109870759 A CN109870759 A CN 109870759A
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- organic optical
- light guiding
- optics element
- guiding optics
- antireflection
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- 238000000034 method Methods 0.000 title claims description 44
- 230000003287 optical effect Effects 0.000 claims abstract description 190
- 239000000463 material Substances 0.000 claims abstract description 86
- 230000002093 peripheral effect Effects 0.000 claims abstract description 30
- 239000005357 flat glass Substances 0.000 claims description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 32
- 239000011435 rock Substances 0.000 claims description 28
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 6
- 238000000059 patterning Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 description 12
- 230000035800 maturation Effects 0.000 description 12
- 239000011521 glass Substances 0.000 description 9
- 210000003128 head Anatomy 0.000 description 7
- 238000003475 lamination Methods 0.000 description 6
- 210000001508 eye Anatomy 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 210000000162 simple eye Anatomy 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Surface Treatment Of Optical Elements (AREA)
Abstract
A kind of light guiding optics element in head-mounted display or in head up display, comprising organic optical materials, antireflection stacks and organic optical lid.Organic optical materials includes peripheral plane and the multiple protrusion points ridge surrounded by peripheral plane.Antireflection stacking conformably covers the sharp ridge of multiple protrusions, and organic optical lid accordingly covers antireflection stacking, peripheral plane and the sharp ridge of multiple protrusions.
Description
Technical field
The present invention is generally related to a kind of light guiding optics element (light wave-guide optical element),
With a kind of method for forming light guiding optics element.Especially, system of the present invention is for a kind of with being surrounded by peripheral plane
Multiple light guiding optics elements for protruding sharp ridge and a kind of formed are used in head-mounted display or in head up display
The method of light guiding optics element.
Background technique
Head-mounted display (HMD) or head up display (HUD) are that one kind can generate the small of the relatively large visual field
Escope.These displays show data, and without requiring the eye of user far from its common sight.For example, coming back
Display is the digital transparent image projected on windshield, can show the identical information obtained from instrument board.It wants
Not so, head-mounted display be it is a kind of be worn on the head or a part as the helmet and to be located at one eye eyeball (simple eye
HMD the display device of the small-sized display optics device before) or before each eye (eyes HMD).Head-mounted display and new line
Display both of which needs light guiding optics element, and digitized video is transmitted in the eyes of observer.
Summary of the invention
In view of the above, invention thus proposes a kind of light guiding optics with simplified protrusion stacked structure
Element, and the method simplified form light guiding optics element, to pursue there is the sturdy of better industry applications to wear
Formula display or head up display.
In a first aspect, the present invention first proposes a kind of novel light in head-mounted display or in head up display
Waveguide optical element.Light guiding optics element of the invention, comprising organic optical materials, antireflection stacks and organic optical
Lid.Organic optical materials includes peripheral plane, and the multiple protrusion points ridge surrounded by peripheral plane.Antireflection stacking is complied with
Ground covers the sharp ridges of multiple protrusions and peripheral plane, organic optical lid accordingly cover antireflection stacking, peripheral plane with it is multiple convex
Ridge full to the brim.
In one embodiment of the present invention, organic optical materials and organic optical lid system are independently selected from by acrylic acid material
The optically transparent material group that material is formed with epoxy material.
In another embodiment of the present invention, antireflection stacks zirconium oxide and silica comprising at least one layer.Preferably
Person, antireflection stack zirconium oxide and silica comprising cross-bedding row.
In another embodiment of the present invention, sharp ridge is protruded respectively independently with the depth-width ratio of 1:1-1:3.5.
In another embodiment of the present invention, protrude sharp ridge be each independently selected from by triangle, rectangle, it is trapezoidal with it is parallel
The geometry for the group that quadrangle forms.
In another embodiment of the present invention, the residual thickness that organic optical lid has is 0.5 micron to 60 microns.
In another embodiment of the present invention, light guiding optics element further includes the top for covering organic optical cover
Sheet glass.
In another embodiment of the present invention, light guiding optics element further includes direct contact organic optical material
The back light transparent carrier of material is to support organic optical materials.
In second aspect, the present invention proposes a kind of novel method for forming light guiding optics element again.It is located at firstly, being formed
Flat organic optical layer on optical clear substrate.Secondly, transferred a pattern to using template in flat organic optical layer, and
It obtains and patterns organic optical layer.Later, curing patterns organic optical layer in the presence of template, and obtains and be located at optical clear
Organic optical materials on substrate.Continue, removes template from organic optical materials.Then, it forms antireflection to stack, to comply with
Ground covers organic optical materials.Come again, it is stacked on that organic optical cap rock is placed on antireflection heap, to cover antireflection stacking.
In one embodiment of the present invention, the method for forming light guiding optics element further includes first to deposit in mold
In lower progress molding step to put top sheet glass, to cover organic optical overlay, cure in the presence of pushing up sheet glass has later
Machine optical overlay, to obtain organic optical lid.
In another embodiment of the present invention, the method for forming light guiding optics element further includes from organic light
It learns lid and removes top sheet glass.
In another embodiment of the present invention, the method for forming light guiding optics element further includes from organic light
Material is learned to remove optical clear substrate.
In another embodiment of the present invention, the method for forming light guiding optics element further includes by a light wave
Leaded light is learned in stacked elements to another light guiding optics element.
In another embodiment of the present invention, organic optical materials and organic optical lid system are independently selected from by acrylic acid material
The optically transparent material group that material is formed with epoxy material.
In another embodiment of the present invention, antireflection stacks zirconium oxide and silica comprising at least one layer.Preferably
Person, antireflection stack zirconium oxide and silica comprising cross-bedding row.
In another embodiment of the present invention, organic optical materials then includes peripheral plane and the sharp ridge of multiple protrusions.
The sharp ridge of multiple protrusions is surrounded by peripheral plane, and the respectively independent depth-width ratio with 1:1-1:3.5.
In another embodiment of the present invention, protrude sharp ridge respectively and independently have selected from by triangle, rectangle, it is trapezoidal with
The geometry for the group that parallelogram forms.
In another embodiment of the present invention, the residual thickness that organic optical lid has is 0.5 micron to 60 microns.
In the third aspect, the present invention reintroduces a kind of method for forming light guiding optics element.Firstly, forming antireflection heap
It is folded, with conformably overlay pattern organic optical materials.Patterning organic optical materials then includes peripheral plane and by periphery
The sharp ridge of multiple protrusions that plane is surrounded.Secondly, it is stacked on that organic optical cap rock is placed on antireflection heap, to cover antireflection heap
It is folded.
In one embodiment of the present invention, the method for forming light guiding optics element further includes first to deposit in mold
In lower carry out molding step, organic optical overlay is covered to push up sheet glass, cures organic optical in the presence of pushing up sheet glass later
Cap rock, and obtain organic optical lid.
In another embodiment of the present invention, the method for forming light guiding optics element further includes from top glass
Piece removes mold and obtains light guiding optics element.
In another embodiment of the present invention, the method for forming light guiding optics element further includes from organic light
Lid is learned to remove mold and top sheet glass and obtain light guiding optics element.
In another embodiment of the present invention, patterning organic optical materials and organic optical lid system are independently selected from by third
The optically transparent material group that olefin(e) acid material and epoxy material form.
In another embodiment of the present invention, antireflection stacks zirconium oxide and silica comprising at least one layer.Preferably
Person, antireflection stack zirconium oxide and silica comprising cross-bedding row.
In another embodiment of the present invention, protrude sharp ridge respectively and independently have selected from by triangle, rectangle, it is trapezoidal with
The geometry for the group that parallelogram forms.
In another embodiment of the present invention, the residual thickness that organic optical lid has is 0.5 micron to 60 microns.
Detailed description of the invention
Fig. 1 to Figure 15 shows one kind that light guiding optics element of the invention is formed since flat organic optical layer
Method.
Fig. 9 A, which is shown, carries out molding step in the case where no top sheet glass, to obtain organic optical cap rock.
Figure 10 A shows curing organic optical cap rock in the case where no top sheet glass, to obtain organic optical lid.
Figure 16 to Figure 21 is shown forms light guiding optics element of the invention since the organic optical layer being pre-patterned
Another method.
Specific embodiment
The present invention provides a kind of novel method for forming light guiding optics element.This novel method to form light wave
The process for leading optical element can more simply and readily.The method for forming light guiding optics element flat can have having
In the presence of machine optical layer, or in the presence of being pre-formed the organic optical materials of pattern, start to carry out.
In a first aspect, formed light guiding optics element method can in the presence of having flat organic optical layer into
Row.Fig. 1 to Figure 15 shows the method for carrying out forming light guiding optics element of the invention since flat organic optical layer.It please join
Examine Fig. 1.As shown in Figure 1, providing optically transparent and flat substrate 100, flat organic optical layer 110 is formed in
On optically transparent and flat substrate 100.Optically transparent and flat substrate 100, also referred to as back light transparent carrier, can
To be a kind of organic material, such as acrylic resin or a kind of inorganic material, such as glass.If can be moved in later step
Except optically transparent and flat substrate 100, then the thickness of optically transparent and flat substrate 100 just depending on the circumstances or the needs of the situation adds
With selection.
Otherwise if optically transparent and flat substrate 100 can be retained in light guiding optics element, optically
The thickness of transparent and flat substrate 100 is preferably small as far as possible.It can be by a kind of organic optical liquid, such as via spin coating
Or the mode via coining, it is applied on optically transparent and flat substrate 100, to form flat organic optical layer 110.It is flat
Smooth organic optical layer 110 can be a kind of optically transparent liquid, such as the acryhic material with UV sensitive material,
Or the epoxide resin material with UV sensitive material, with the maturation stage after benefit.
Secondly, please referring to Fig. 2.As shown in Fig. 2, pattern 121 is transferred to flat organic optical layer 110 using template 120
Surface on.It note that the pattern 121 in template 120 is mutual with the pattern that is defined on flat 110 surface of organic optical layer
It mends.After transfer, that is, patterned organic optical layer 111 is obtained.
Later, Fig. 3 is please referred to.As shown in figure 3, patterned organic optical layer 111 is ripe in the presence of template 120
Change, to obtain the organic optical materials 112 with pattern 113.Patterned organic optical layer 111 can be 0.5J/ with energy
cm2To 3J/cm2Ultraviolet light cure.After maturation stage, pattern 113 is just permanently attached to organic optical materials 112
On.
After above-mentioned maturation stage, the 4th figure is please referred to, removes template 120 to obtain positioned at optically transparent and flat
Substrate 100, also referred to as back light transparent carrier, on organic optical materials 112.Organic optical materials 112 have by
Pattern 113 defined in template 120.Specifically, pattern 113 has peripheral plane 115, and is surrounded by peripheral plane 115
Multiple protrusion points ridge 114.Peripheral plane 115 and the sharp ridge 114 of multiple protrusions define head-mounted display together or come back aobvious
Show the working region in device.The sharp ridge 114 of multiple protrusions defines the area of visual field in the working region for user, while week
Side plane 115 defines the neighboring area of working region.
The sharp ridge 114 of each protrusion has geometry, such as triangle, rectangle, trapezoidal or parallelogram, such as Fig. 5
It is shown.In addition, the sharp ridge 114 of each protrusion has height H and width W.Each depth-width ratio (H/W) for protruding sharp ridge 114 can be only
Vertical is 1:1 to 1:3.5.
130 are stacked removing and then being formed antireflection from organic optical materials 112 for template 120 conformably to cover
Pattern 113, i.e. multiple protrusion points ridge 114 of organic optical materials 112 and peripheral plane 115, as shown in Figure 6.Shown in Fig. 6
Triangle protrude sharp ridge 114 and be only used as illustrating.It includes at least one layer of zirconium oxide or oxidation that antireflection, which stacks 130,
Silicon.Preferably, it includes at least one layer of zirconium oxide and silica that antireflection, which stacks 130,.More preferably, antireflection stacks 130 packets
The zirconium oxide and silica of cross-bedding row are included, as shown in Figure 7.Antireflection stacks 130 can carry out shape in a manner of spraying or coat
At.
Later, it stacks on 130 referring to FIG. 8, organic optical glue 140 is coated on antireflection to form organic optical cover
Layer stacks 130 to cover antireflection.Organic optical glue 140 can be optically transparent glue, such as with ultraviolet-sensitive material
The acryhic material of material, or the epoxide resin material with UV sensitive material, with the maturation stage of benefit later.Organic optical
Glue 140 can be material identical with flat organic optical layer 110 or be different material.
Then, referring to FIG. 9, carrying out another molding step, in the presence of mold 151 to place top sheet glass
150 are pressed with machine optical cement 140, to obtain the organic optical cap rock 141 previously on pattern 113.In this step, glass is pushed up
Glass piece 150 is attached on organic optical cap rock 141, while organic optical cap rock 141 is filled up positioned at the sharp ridge 114 of multiple protrusions and week
Gap 118 between side plane 115, so that organic optical cap rock 141 is tightly mutually closely sealed with pattern 113.Particularly, mold
151 have flat surface 152, so that not having the surface that pattern is transferred to organic optical cap rock 141.
The thickness for pushing up sheet glass 150 is unimportant.If top sheet glass 150 can be removed in subsequent steps, glass is pushed up
The thickness of glass piece 150 is just depending on the circumstances or the needs of the situation selected.Otherwise if top sheet glass will not be removed in the next steps
150, then the thickness for pushing up sheet glass 150 is just small as far as possible.In another embodiment of the invention, Fig. 9 A, molding step are please referred to
Suddenly it can be carried out in the case where no top sheet glass, and be pressed with machine optical cement 140 in the presence of having mold 151, with
Obtain the organic optical cap rock 141 being located on pattern 113.
Then, in the presence of pushing up sheet glass 150, organic optical cap rock 141 is cured, and obtains organic optical lid 142,
As shown in Figure 10, or in the case where pushing up sheet glass and being not present it is cured, to obtain organic optical lid 142, such as Figure 10 A institute
Show.Because organic optical cap rock 141 preferably has UV sensitive material with sharp maturation stage, organic optical cap rock
141 can be 0.5J/cm with energy2To 3J/cm2Ultraviolet light cure.Top sheet glass 150 is optically saturating for ultraviolet light
Bright.
After this maturation stage, so that it may which removing mold 151 to obtain has optically transparent and flat substrate
100, organic optical materials 112, antireflection stack 130, organic optical lid 142 and push up the light guiding optics element of sheet glass 150
101.In another embodiment of the invention, Figure 12 is please referred to, maturation stage can carry out in the case where no top sheet glass,
To obtain there is optically transparent and flat substrate 100, organic optical materials 112, antireflection to stack 130 and organic optical lid
142 light guiding optics element 103.
Particularly, after maturation stage, from the sharp ridge 114 of a protrusion to the distance definition on 142 surface of organic optical lid
Residual thickness T.This residual thickness T depends on the viscosity of organic optical glue 140 and the gross area of substrate, and helps to ensure every
The sharp ridge 114 of a protrusion is all within organic optical lid 142.Residual thickness is preferably in the range of 0.5 micron to 60 microns.Example
Such as, 1) when viscosity is 10 centipoises, when area is 50 × 50 square millimeters, T=0.5 microns；2) when viscosity is 1800 centipoises, area
When being 8 inch wafer, T=40 microns；Or it 3) when viscosity is 5000 centipoises, when area is 8 inch wafer, T=60 microns, provides
It is described herein by reference.
In one embodiment of the invention, optical transparent substrate 100 and/or top sheet glass can depending on the circumstances or the needs of the situation be removed
150.For example, as shown, as shown in figure 11, optical clear base can be depending on the circumstances or the needs of the situation removed from organic optical materials 112
Plate 100, to obtain light guiding optics element 102.Otherwise it as shown in figure 12, can depending on the circumstances or the needs of the situation remove top sheet glass 150
To obtain light guiding optics element 103.Or else, as shown in figure 13, removal optical transparent substrate 100 and top sheet glass 150 this
The two to obtain there is organic optical materials 112, antireflection to stack the light guiding optics element of 130 and organic optical lid 142
104。
In another embodiment of the present invention, a light guiding optics element 101,102,103 or 104 can be stacked on
On another light guiding optics element 101,102,103 or 104, to obtain light guiding optics stacking.As shown in figure 14, optical waveguide
Optical stack 105 can be made of identical light guiding optics element, or, as shown in figure 15, there is different optical waveguide opticals
Learn element.
In second aspect, in the case that present invention offer another kind does not have aforementioned optical transparent substrate 100 when at the beginning,
Method to form light guiding optics element.Figure 16 to Figure 21 shows out the present invention since patterned organic optical substrate
The method that another kind forms light guiding optics element.Figure 16 to Figure 21 is shown since the organic optical substrate being pre-patterned,
Form another method of light guiding optics element of the invention.Firstly, as shown in figure 16, providing patterned organic optical base
Plate 116.Patterned organic optical substrate 116 has preformed pattern 113.In many aspects, patterned organic light
Organic optical materials 112 above-mentioned can be similar to by learning substrate 116.
For example, pattern 113 is also with peripheral plane 115 and the multiple protrusion points ridge 114 surrounded by peripheral plane 115.
Peripheral plane 115 and the sharp ridge 114 of multiple protrusions define the working region in head-mounted display or head up display together.It is more
The sharp ridge 114 of a protrusion defines the area of visual field in the working region for user, and peripheral plane 115 defines work
The neighboring area in region.The sharp ridge 114 of each protrusion has geometry, such as triangle, rectangle, trapezoidal or parallelogram,
As shown in Figure 5.In addition, the sharp ridge 114 of each protrusion has height H and width W.Each depth-width ratio (H/W) for protruding sharp ridge 114 can
To be independently 1:1 to 1:3.5.
Secondly, as shown in figure 17, re-forming antireflection and stacking 130 with conformably overlay pattern 113, i.e. organic optical materials
112 multiple protrusion points ridge 114 and peripheral plane 115.It includes at least one layer of zirconium oxide or silica that antireflection, which stacks 130,.
Preferably, it includes at least one layer of zirconium oxide and silica that antireflection, which stacks 130,.More preferably, it includes handing over that antireflection, which stacks 130,
The zirconium oxide and silica of staggered floor row, as shown in Figure 7.Antireflection stacks 130 and can be formed in a manner of spraying or coating.
Later, Figure 18 is please referred to, organic optical glue 140 is coated on antireflection and is stacked on 130 to form organic optical cover
Layer stacks 130 to cover antireflection.Organic optical glue 140 can be optically transparent glue, such as with ultraviolet-sensitive material
The acryhic material of material, or the epoxide resin material with UV sensitive material, with the maturation stage of benefit later.Organic optical
Glue 140 can be material identical with patterned organic optical substrate 116 or be different material.
Then, Figure 19 is please referred to, molding step is carried out, places top sheet glass 150 in the presence of mold 151 to be pressed with machine light
Glue 140 is learned, and then obtains the organic optical cap rock 141 being located on pattern 113.In this step, top sheet glass 150 has been attached to
In machine optical overlay 141, while organic optical cap rock 141 fills up between the sharp ridge 114 of multiple protrusions and peripheral plane 115
Gap 118, so that organic optical cap rock 141 is tightly mutually closely sealed with pattern 113.Particularly, mold 151 has flat table
Face, so that not having the surface that pattern is transferred to organic optical cap rock 141.
The thickness for pushing up sheet glass 150 is unimportant.If top sheet glass 150 can be removed in subsequent steps, glass is pushed up
The thickness of glass piece 150 is just depending on the circumstances or the needs of the situation selected.Otherwise if top sheet glass will not be removed in the next steps
150, then the thickness for pushing up sheet glass 150 is just small as far as possible.
Then, as shown in figure 20, in the presence of pushing up sheet glass 150, organic optical cap rock 141 is cured, and is had
Machine optical cover 142, or as shown in figure 21, organic optical cap rock 141 is cured in the case where pushing up sheet glass and being not present, and obtain
Organic optical lid 142.Because organic optical cap rock 141 preferably has UV sensitive material with sharp maturation stage, have
Machine optical overlay 141 can be 0.5J/cm with energy2To 3J/cm2Ultraviolet light cure.Sheet glass 150 is pushed up for ultraviolet light
It is optically transparent.
After this maturation stage, so that it may remove mold 151 and obtain have patterned organic optical substrate 116,
Antireflection stacks 130, organic optical lid 142 and pushes up the light guiding optics element 106 of sheet glass 150.
In another embodiment of the invention, top sheet glass 150 further can depending on the circumstances or the needs of the situation be removed.For example, as schemed
Shown in 21, depending on the circumstances or the needs of the situation top sheet glass 150 can be removed from organic optical lid 142, and obtaining has with patterned
Machine optical substrate 116, antireflection stack the light guiding optics element 107 of 130 and organic optical lid 142.
Particularly, after maturation stage, from the sharp ridge 114 of a protrusion to the distance definition on 142 surface of organic optical lid
Residual thickness T.This residual thickness T depends on the viscosity of organic optical glue 140 and the gross area of substrate, and helps to ensure every
The sharp ridge 114 of a protrusion is all within organic optical lid 142.Residual thickness is preferably in the range of 0.5 micron to 60 microns.Example
Such as, 1) when viscosity is 10 centipoises, when area is 50 × 50 square millimeters, T=0.5 microns；2) when viscosity is 1800 centipoises, area
When being 8 inch wafer, T=40 microns；Or it 3) when viscosity is 5000 centipoises, when area is 8 inch wafer, T=60 microns, provides
It is described herein by reference.
In another embodiment of the present invention, a light guiding optics element 106 or 107 can be stacked on another light
On waveguide optical element 106 or 107,105 are stacked to obtain light guiding optics.With light guiding optics element 106 and/or 107
Light guiding optics stack it is 105 similar with aforementioned light guiding optics lamination 105.Details about light guiding optics lamination 105
Please refer to foregoing teachings.
After by abovementioned steps, that is, obtain light guiding optics element 101,102,103,104,106 or 107.Light wave
Leading optical element includes back light transparent carrier, optically transparent substrate 100, organic optical material also referred to as depending on the circumstances or the needs of the situation
Material 112, antireflection stack 130, organic optical lid 142 and optionally existing top sheet glass 150.
Organic optical materials 112 includes peripheral plane 115 and the sharp ridge 114 of multiple protrusions.The sharp ridge 114 of multiple protrusions is by periphery
Plane 115 is surrounded.Peripheral plane 115 and the sharp ridge 114 of multiple protrusions define head-mounted display or head up display together
In working region.The sharp ridge 114 of multiple protrusions defines the area of visual field in the working region for user, while periphery is flat
Face 115 defines the neighboring area of working region.The sharp ridge 114 of each protrusion has geometry, such as triangle, rectangle, ladder
Shape or parallelogram, as shown in Figure 5.Furthermore the sharp ridge 114 of each protrusion has height H and width W.The sharp ridge 114 of each protrusion
Depth-width ratio (H/W) can be independently 1:1 to 1:3.5.
Antireflection stacks 130 and conformably covers the sharp ridge 114 of multiple protrusions.It includes at least one layer of oxygen that antireflection, which stacks 130,
Change zirconium or silica.Preferably, it includes at least one layer of zirconium oxide and silica that antireflection, which stacks 130,.For example, antireflection stacks
130 may include 2 layers, 21 layers or 101 layers of zirconium oxide and silica in total.
Organic optical lid 142 accordingly covers antireflection and stacks 130 and the sharp ridge 114 of multiple protrusions, so that antireflection stacks
130 are clipped between organic optical lid 142 and the sharp ridge 114 of multiple protrusions.Organic optical lid 142 can be and flat organic optical layer
110 identical materials are different material.
Back light transparent carrier can be organic material, such as acrylic resin or inorganic material, such as glass.Bottom
The thickness of optical clear carrier is not important.If there is back light transparent carrier, then the thickness of back light transparent carrier can use up
It is possibly small.Similarly, if top sheet glass 150 exists, the thickness for pushing up sheet glass 150 can also be as small as possible.
One light guiding optics element 101,102,103,104,106 or 107 can be stacked on another light guiding optics
On element light guiding optics element 101,102,103,104,106 or 107, to obtain light guiding optics lamination 105.Optical waveguide optical
Learning lamination 105 can be made of identical light guiding optics element, as shown in figure 14, or with different light guiding optics
Element, as shown in figure 15.Due to the reason of back light transparent carrier 100, light guiding optics element 103 is preferably arranged at most bottom
Portion position.Due to pushing up the reason of sheet glass 150, light guiding optics element 102 and 106 is preferably the position that the top is arranged in.
Light guiding optics element 104 and 107 is preferably routed in the centre of light guiding optics lamination 105, without additional protection
Layer, and pursue the lesser overall thickness of light guiding optics lamination 105.But, light guiding optics element 101 is then general.
The foregoing is merely the preferred embodiments of the invention, all equivalent changes done according to claims of the present invention with repair
Change, should all belong to the covering scope of the present invention.
Symbol description:
100 substrates
101,102,103,104,106,107 light guiding optics element
105 light guiding optics stack
110 organic optical layers
111 patterned organic optical layers
112 organic optical materials
113 patterns
114 protrude sharp ridge
115 peripheral planes
116 substrates
118 gaps
120 templates
121 patterns
130 antireflections stack
140 organic optical glue
141 organic optical cap rocks
142 organic optical lids
150 top sheet glass
151 molds
152 flat surfaces.
Claims (26)
1. a kind of light guiding optics element, includes:
Organic optical materials includes:
Peripheral plane；And
The sharp ridge of multiple protrusions, and surrounded by the peripheral plane；
Antireflection stacks, conformably to cover the sharp ridge of the multiple protrusion；And
Organic optical lid, accordingly to cover the sharp ridge of the multiple protrusion.
2. light guiding optics element according to claim 1, which is characterized in that the organic optical materials with it is described organic
Optical cover is to be independently selected from the optically transparent material group being made of acryhic material and epoxy material.
3. light guiding optics element according to claim 1, which is characterized in that the antireflection is stacked comprising at least one layer
Zirconium oxide and silica.
4. light guiding optics element according to claim 1, which is characterized in that the sharp ridge of the protrusion respectively independently has 1:
The depth-width ratio of 1-1:3.5.
5. light guiding optics element according to claim 1, which is characterized in that the sharp ridge of the protrusion respectively independently has choosing
The geometry for the group that free triangle, rectangle, trapezoidal and parallelogram form.
6. light guiding optics element according to claim 1, which is characterized in that the residual that the organic optical lid has is thick
Degree is 0.5 micron to 60 microns.
7. light guiding optics element according to claim 1, further includes:
Sheet glass is pushed up, to cover the organic optical lid.
8. light guiding optics element according to claim 1, which is characterized in that further include:
Back light transparent carrier contacts the organic optical materials directly to support the organic optical materials.
9. a kind of method for forming light guiding optics element, includes:
Flat organic optical layer is formed, and is located on optical clear substrate；
Using template to shift pattern into the flat organic optical layer, and obtains and pattern organic optical layer；
Patterning organic optical layer is cured in the presence of the template, and is obtained and be located at having on the optical clear substrate
Machine optical material；
The template is removed from the organic optical materials；
It forms antireflection to stack, conformably to cover the organic optical materials；And
It is stacked on that organic optical cap rock is placed on the antireflection heap, is stacked with covering the antireflection.
10. the method according to claim 9 for forming light guiding optics element, which is characterized in that further include:
Molding step is carried out, and puts top sheet glass in the presence of mold, to cover the organic optical cap rock；And
The organic optical cap rock is cured in the presence of the top sheet glass, to obtain organic optical lid.
11. the method according to claim 10 for forming light guiding optics element, which is characterized in that further include:
The top sheet glass is removed from the organic optical lid.
12. the method according to claim 10 for forming light guiding optics element, which is characterized in that further include:
The optical clear substrate is removed from the organic optical materials.
13. the method according to claim 9 for forming light guiding optics element, which is characterized in that further include:
It will be in a light guiding optics stacked elements to another light guiding optics element.
14. the method according to claim 10 for forming light guiding optics element, which is characterized in that the organic optical material
Material is independently selected from the optically transparent material group being made of acryhic material and epoxy material with organic optical lid system.
15. the method according to claim 9 for forming light guiding optics element, which is characterized in that the antireflection stacks
Zirconium oxide and silica comprising at least one layer.
16. the method according to claim 9 for forming light guiding optics element, which is characterized in that the organic optical material
Material includes:
Peripheral plane；And
The sharp ridge of multiple protrusions, and surrounded by the peripheral plane, and the respectively independent depth-width ratio with 1:1-1:3.5.
17. the method according to claim 16 for forming light guiding optics element, which is characterized in that the sharp ridge of the protrusion is each
There is the geometry selected from the group being made of triangle, rectangle, trapezoidal and parallelogram from independent.
18. the method according to claim 10 for forming light guiding optics element, which is characterized in that the organic optical lid
With residual thickness be 0.5 micron to 60 microns.
19. a kind of method for forming light guiding optics element, includes:
It forms antireflection to stack, with conformably overlay pattern organic optical materials, the patterning organic optical materials includes
Peripheral plane and the sharp ridge of the multiple protrusions surrounded by the peripheral plane；And
It is stacked on that organic optical cap rock is placed on the antireflection heap, is stacked with covering the antireflection.
20. the method according to claim 19 for forming light guiding optics element, which is characterized in that further include:
Molding step is carried out, covers the organic optical cap rock in the presence of mold to push up sheet glass；And
The organic optical cap rock is cured in the presence of the top sheet glass, and obtains organic optical lid.
21. the method according to claim 20 for forming light guiding optics element, which is characterized in that further include:
The mold is removed from the top sheet glass and obtains light guiding optics element.
22. the method according to claim 20 for forming light guiding optics element, which is characterized in that further include:
The mold and the top sheet glass are removed from the organic optical lid, and obtains light guiding optics element.
23. the method according to claim 20 for forming light guiding optics element, which is characterized in that the organic optical material
Material is independently selected from the optically transparent material group being made of acryhic material and epoxy material with organic optical lid system.
24. the method according to claim 19 for forming light guiding optics element, which is characterized in that the antireflection stacks
Zirconium oxide and silica comprising at least one layer.
25. the method according to claim 19 for forming light guiding optics element, which is characterized in that the sharp ridge of the protrusion is each
There is the geometry selected from the group being made of triangle, rectangle, trapezoidal and parallelogram from independent.
26. the method according to claim 20 for forming light guiding optics element, which is characterized in that the organic optical lid
With residual thickness be 0.5 micron to 60 microns.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711249113.5A CN109870759A (en) | 2017-12-01 | 2017-12-01 | Light guiding optics element and the method for forming light guiding optics element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711249113.5A CN109870759A (en) | 2017-12-01 | 2017-12-01 | Light guiding optics element and the method for forming light guiding optics element |
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| TW201020472A (en) * | 2008-10-31 | 2010-06-01 | Koninkl Philips Electronics Nv | Light guide plate and illumination device using the light guide plate |
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| CN1136349A (en) * | 1993-11-05 | 1996-11-20 | 联合讯号公司 | Backlighting apparatus employing an array of microprisms |
| CN101630122A (en) * | 2008-07-16 | 2010-01-20 | 晟铭电子科技股份有限公司 | Light guide plate and manufacturing method thereof |
| TW201020472A (en) * | 2008-10-31 | 2010-06-01 | Koninkl Philips Electronics Nv | Light guide plate and illumination device using the light guide plate |
| CN102707368A (en) * | 2012-05-23 | 2012-10-03 | 天津大学 | Light guide plate with embedded diffraction element |
| CN106291926A (en) * | 2015-05-13 | 2017-01-04 | 华邦电子股份有限公司 | Head-mounted display device |
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Application publication date: 20190611 |