CN106908960A - Eliminate the porous core and laser-activated liquid crystal cells display of laser picture speckle - Google Patents
Eliminate the porous core and laser-activated liquid crystal cells display of laser picture speckle Download PDFInfo
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- CN106908960A CN106908960A CN201710174041.6A CN201710174041A CN106908960A CN 106908960 A CN106908960 A CN 106908960A CN 201710174041 A CN201710174041 A CN 201710174041A CN 106908960 A CN106908960 A CN 106908960A
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- transparent
- porous core
- laser
- ceramics
- core
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 34
- 210000002858 crystal cell Anatomy 0.000 title abstract description 6
- 239000008187 granular material Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims description 80
- 239000000203 mixture Substances 0.000 claims description 21
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 16
- -1 organosilicon Polymers 0.000 claims description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229920002492 poly(sulfone) Polymers 0.000 claims description 9
- 239000004425 Makrolon Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- 229920000515 polycarbonate Polymers 0.000 claims description 8
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 8
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910017083 AlN Inorganic materials 0.000 claims description 6
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920006305 unsaturated polyester Polymers 0.000 claims description 6
- GMYSDEOJMBLAKZ-UHFFFAOYSA-N calcium indium Chemical compound [Ca].[In] GMYSDEOJMBLAKZ-UHFFFAOYSA-N 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- CVEPFOUZABPRMK-UHFFFAOYSA-N 2-methylprop-2-enoic acid;styrene Chemical compound CC(=C)C(O)=O.C=CC1=CC=CC=C1 CVEPFOUZABPRMK-UHFFFAOYSA-N 0.000 claims description 4
- NPGMBPUFKZLOQK-UHFFFAOYSA-N C=CC1=CC=CC=C1.C=CC=C.C=CC Chemical group C=CC1=CC=CC=C1.C=CC=C.C=CC NPGMBPUFKZLOQK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 239000005083 Zinc sulfide Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 235000009508 confectionery Nutrition 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 150000002680 magnesium Chemical class 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 4
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 claims description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 229920001651 Cyanoacrylate Polymers 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 3
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 229920002367 Polyisobutene Polymers 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229920000180 alkyd Polymers 0.000 claims description 3
- 229920003180 amino resin Polymers 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920001470 polyketone Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 3
- 239000011118 polyvinyl acetate Substances 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- GOBDOVFGDMNCFY-UHFFFAOYSA-N P(O)(O)(O)=O.[Cu]=O Chemical compound P(O)(O)(O)=O.[Cu]=O GOBDOVFGDMNCFY-UHFFFAOYSA-N 0.000 claims description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 229940068984 polyvinyl alcohol Drugs 0.000 claims 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- JHYLKGDXMUDNEO-UHFFFAOYSA-N [Mg].[In] Chemical compound [Mg].[In] JHYLKGDXMUDNEO-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- 229910052746 lanthanum Inorganic materials 0.000 claims 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 229920003192 poly(bis maleimide) Polymers 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 229920001897 terpolymer Polymers 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- ZMTBWAFVCLWDAS-UHFFFAOYSA-N indium thorium Chemical compound [In].[Th] ZMTBWAFVCLWDAS-UHFFFAOYSA-N 0.000 description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N CuO Inorganic materials [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 150000002560 ketene acetals Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/48—Laser speckle optics
-
- 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
-
- 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
Abstract
The invention discloses a kind of porous core for eliminating laser picture speckle, belong to technical field of laser display.Material granule of the porous core by more than one refractive indexes more than 1 is constituted, and the full-size of granular materials profile is less than 10mm；There is the structure of hole using sintering or adhering method, unordered heap poststack forms unordered hole between granular materials between granular materials；The full-size of the stacking hole between granular materials is less than 10mm.The problems such as porous core can solve the problem that big, expensive existing speckle abatement device volume, short life, power consumption are high, cannot be installed on liquid crystal flat panel display, the screen laser speckle of liquid crystal display can be effectively eliminated using the laser-activated liquid crystal cells display of porous core.
Description
Technical field
The present invention relates to a kind of laser speckle abatement device being applied in laser writer, further relate to using the device
Liquid crystal display, belongs to technical field of laser display.
Background technology
Laser display technology is the Display Technique with red, green, blue (RGB) tricolor laser as light source, can most truly
Reproduction objective world is abundant, gorgeous color, there is provided the expressive force for more shaking.From the point of view of colorimetry angle, laser display
Color domain coverage ratio can reach more than 90% that human eye to be recognized color space, be tradition display color domain coverage ratio twice with
On, first three deficiency for Display Technique color gamut space is thoroughly broken through, most perfect color reduction since the dawn of human civilization is realized, make people
Most true, the most gorgeous world is seen by display terminal.
But, when body surface occurs reflection or transmits, human eye can observe one kind to laser in body surface light field
Random distribution, large number of dazzling spot, this dazzling spot is referred to as laser speckle (Laser Speckles).Laser dissipates
Spot has a strong impact on the viewing impression of the image quality and people of display, therefore how to eliminate the laser speckle on indicator screen
It is one of most important technical barrier in laser display field in recent years, significantly limit the application of laser display.
At present, in order to solve the problems, such as laser speckle, it has been developed that several speckle abatement devices, but have little effect.
The relatively good laser speckle removing method of effect be using vibration or rotating device mode make laser phase change so as to
Eliminate the speckle of indicator screen, such as vibration projection screen or addition vibration, rotating device in light path inside projector.
But these methods may be only available for the larger laser projection display device of volume, and to plate of flat liquid crystal display
Speech is definitely inapplicable.
In order that plate of flat liquid crystal display can reach big colour gamut display effect, many companies have carried out LASER Excited Fluorescence
Powder technology, can effectively reduce laser speckle, also there is launch at present.
But, still there are the following problems for the technology：
1st, display life is short because fluorescent material is easily by the high temperature of laser generation.In order to extend plate of flat liquid crystal display
Life-span, it is necessary to reduce the laser intensity of excitated fluorescent powder, thus just further resulted in flat panel Liquid Crystal display brightness not
It is enough.
2nd, the fluorescence and excitation laser produced by LASER Excited Fluorescence powder are mixed into white light, the colour gamut covering of this white light
Rate is low, and the big colour gamut display not reached truly is required.
The content of the invention
In view of this, the invention provides a kind of porous core and laser-activated liquid crystal cells display for eliminating laser picture speckle,
Porous core can solve the problem that big, expensive existing speckle abatement device volume, short life, power consumption are high, cannot be installed on liquid crystal
The problems such as flat-panel monitor, the screen laser that can effectively eliminate liquid crystal display using the laser-activated liquid crystal cells display of porous core dissipates
Spot.
A kind of porous core for eliminating laser picture speckle, the material granule by more than one refractive indexes more than 1 is constituted,
The full-size of grain material profile is less than 10mm；There is the structure of hole between granular materials using sintering or adhering method,
Unordered heap poststack forms unordered hole between grain material；The full-size of the stacking hole between granular materials is less than 10mm.
Further, the hole between the granular materials is filled by gas or liquid.
Further, the porous core by the different granular materials of various refractive indexes according to mass percent mixed sintering
Or bonding is formed.
Further, the porous core is respectively prepared by two kinds of different refractivity granular materials porous core stacking or
Bonding forms a kind of porous core of complex refractive index.
Further, the porous core forms display illumination and needs macroscopical device of geometry by cutting or polishing
Part.
Further, the porous core is sintered glass core or the quartzy core of bonding.
Further, the composition of the sintered glass core be quartz, transparent alumina ceramics, transparent magnesia ceramics,
Transparent yttria ceramics, transparent calcium fluoride ceramic, transparent berryllia ceramics, transparent gadolinium sesquioxide ceramics, transparent Indium
Calcium ceramics, transparent thoria ceramics, transparent PLZT ceramics, transparent aluminium nitride ceramic, transparent zinc sulphide are ceramic, transparent selenium
Change that zinc is ceramic or transparent fluorinated magnesium ceramic particle in one or more composition.
Further, the quartzy core of the bonding is made up of particulate component and bonding composition, and particulate component is poly- methyl-prop
Olefin(e) acid formicester, makrolon, cyclic olefin polymer, cyclic olefine copolymer, polysulfones plastics, styrene methacrylic acid, methyl esters
Copolymer, the sweet carbonic ester of pi-allyl two, SAN, styrene-butadiene-propylene, petchem,
Quartz, transparent alumina ceramics, transparent magnesia ceramics, transparent yttria ceramics, transparent calcium fluoride ceramic, transparent Indium
Beryllium is ceramic, transparent gadolinium sesquioxide ceramics, transparent Indium calcium ceramics, transparent thoria ceramics, transparent PLZT ceramics, thoroughly
Bright aluminium nitride ceramics, transparent zinc sulphide are ceramic, transparent zinc selenide is ceramic or transparent fluorinated magnesium ceramic particle in one kind or one kind
Composition above；
Bonding composition is epoxy resin, phenolic resin, unsaturated polyester (UP), polyurethane, organosilicon, polyimides, span
Acid imide, allyl resin, furane resins, amino resins, alkyd resin, polyethylene, polypropylene, polyvinyl chloride, polystyrene,
Acrylic resin, nylon, makrolon, polyformaldehyde, thermoplastic polyester, polyphenylene oxide, fluororesin, polyphenylene sulfide, polysulfones, polyketone
Class, polybenzoate, liquid crystal polymer, silicate, phosphate and Phosphoric Acid-Copper Oxide, cellulose esters, vinyl polymer polyvinyl acetate
Ester, polyvinyl alcohol, Vinylidene Chloride, polyisobutene, polyester, polyethers, polyamide, polyacrylate, a- cyanoacrylates, poly- second
One or more composition in ketene acetal, vinyl-vinyl acetate copolymer.
Further, the porous core constitutes the backlight of liquid crystal display light source without speckle effect with lasing light emitter, many
Also there is optics and leaded light device between hole core and lasing light emitter, optics is concavees lens, convex lens, prism, curved surface
Mirror, speculum or lenticule；Leaded light device is：Optical fiber, light guide plate or lamp guide.
Further, with lasing light emitter periphery there is reflective/concentration structure in the porous core.
A kind of liquid crystal display for eliminating laser picture speckle, the liquid crystal display includes porous core, lasing light emitter, reflection
Film, even smooth film, uniform light board, brightness enhancement film, light polarizing film, LCDs and negative phototropic cover；
The LCDs and the internal negative phototropic cover for pasting reflectance coating constitute the optics with reflective/concentration structure
Cavity, the porous core and lasing light emitter are fixedly mounted on the negative phototropic cover inner surface relative with LCDs in array, and one
Individual porous core is at least corresponding with a lasing light emitter；Light polarizing film, brightness enhancement film, even is mounted with the inner surface of the LCDs
Light film and uniform light board.
Further, shown lasing light emitter is visible laser or visible light semiconductor laser.
Further, the wavelength of the visible light semiconductor laser be 400~470nm, 500~540nm or 600~
670nm。
Beneficial effect：
1st, porous core of the invention as laser speckle abatement device compared with existing laser display speckle abatement device
With volume it is minimum, weight most light, price is most cheap, obtain most convenient, to install most convenient, structure most simple, without friction, without making an uproar
Sound, without abrasion, long service life, core device easily into abnormal shape the advantages of, and above all picture laser speckle noise eliminate
Completely, the industrialized development of laser display is conducive to.
2nd, compared with existing plate of flat liquid crystal display, plate of flat liquid crystal display of the invention is due to having used RGB three primary colours
Semiconductor laser can effectively expand the color domain coverage ratio of display as light source.
Brief description of the drawings
Fig. 1-3 is the backlight of liquid crystal display light-source structure schematic diagram of porous core and LASER Light Source composition；
Fig. 4 is the structural representation of laser-activated liquid crystal cells display of the present invention；
Fig. 5 is the upward view of Fig. 4；
Fig. 6 is the structural representation that porous core is applied to laser projection.
Wherein, the porous cores of 1-, 2- visible lasers, 3- it is reflective/concentration structure, 4- reflectance coatings, the even smooth films of 5-, 6- be inclined
Light film, 7- brightness enhancement films, 8- LCDs, 10- negative phototropic covers, 11- concavees lens, 12- optical shapings mirror, 13- projector architectures part,
14- visible lasers module, 15- fibre bundles, 16- optical fiber head cluster, 17-RGB tricolor laser devices.
Specific embodiment
Develop simultaneously embodiment below in conjunction with the accompanying drawings, and the present invention will be described in detail.
The invention provides a kind of porous core for eliminating laser picture speckle, the material by more than one refractive indexes more than 1
Material particle is constituted, and the full-size of granular materials profile is less than 10mm；Had using sintering or adhering method between granular materials
The structure of hole, unordered heap poststack forms unordered hole between granular materials；The maximum of the stacking hole between granular materials
Size is less than 10mm；Hole between granular materials is filled by gas or liquid, such as air, nitrogen, carbon dioxide, water or second
Alcohol；Finally, porous core forms display illumination and needs the macroscopic devices of geometry by cutting or polishing.Porous core is
Sintered glass core or the quartzy core of bonding.
Additionally, the porous core stacking or viscous that porous core can also be respectively prepared by two kinds of different refractivity granular materials
Connect to form a kind of porous core of complex refractive index.
Embodiment 1
As shown in Figure 1, porous core 1, visible laser 2, the reflective/optically focused knot being made of sintered glass core
Structure 3 and LCD backlight cover 10 may make up the backlight of liquid crystal display light source without speckle effect.
Visible laser 2 is used to export laser beam, and is disposed at the light-emitting window 2mm of the visible laser 2
Porous core 1, the area of the facula area less than porous core 1 of the laser beam of its output；Gathered the outside of porous core 1
Light/reflective structure 3 is surrounded, and laser beam is mapped on sintered glass core 1 by the bottom of optically focused/reflective structure 3.By porous sand
N (N >=1) secondary reflection, the divergencing laser of transmission of core 1 are by outgoing optically focused/reflective knot after the optically focused/reflection of optically focused/reflective structure 3
Structure 3 turns into the back-illumination source of liquid crystal display.
In the present embodiment the composition of porous core 1 can also for quartz, transparent alumina ceramics, transparent magnesia ceramics,
Transparent yttria (Y2O3) ceramics, transparent calcium fluoride ceramic, transparent berryllia ceramics, transparent gadolinium sesquioxide (Gd2O3)
Ceramics, transparent Indium calcium ceramics, ceramic transparent Indium thorium (ThO2), transparent PLZT ceramics, (PLZT) are ceramic, transparent
AlN ceramic, transparent ZnS are ceramic, transparent ZnSe is ceramic or transparent MgF2 ceramic particles in one or more composition.
Embodiment 2
As shown in Figure 2, it is 1, three RGB tricolor lasers devices 17 of porous core for being made of the quartzy core of bonding, poly-
Light/reflective structure 3, LCD backlight cover 10 constitute another backlight of liquid crystal display light source without speckle effect.
RGB tricolor lasers device 17 is used to export tricolor laser light beam, and three colors of the transmitting of RGB tricolor lasers device 17 swash
Light beam is irradiated on same porous core 1, and the outside of RGB tricolor lasers device 17 and porous core 1 is by optically focused/reflective structure
3 are surrounded；The RGB tricolor lasers being irradiated on porous core 1 are formed to space by after the refraction, reflection of porous core 1
360 ° of white lights of diverging, a part of mixed white light is reflected by optically focused/reflective structure 3 to LCDs, part mixing
White light afterwards is emitted directly toward LCDs, the white illumination backlight needed for forming liquid crystal display.
The composition of porous core 1 can also be glass, polymethyl methacrylate (PMMA), makrolon in the present embodiment
(PC), cyclic olefin polymer (COP), cyclic olefine copolymer (COC), polysulfones plastics (PSU), styrene methacrylic acid, first
Ester copolymer, the sweet carbonic ester of pi-allyl two, CR39, SAN (AS), styrene-butadiene-propylene
(ABS), petchem (PET), quartz, transparent alumina ceramics, transparent magnesia ceramics, transparent yttria (Y2O3)
Ceramics, transparent calcium fluoride ceramic, transparent berryllia ceramics, transparent gadolinium sesquioxide (Gd2O3) are ceramic, transparent Indium calcium is ceramic,
Transparent Indium thorium (ThO2) is ceramic, transparent PLZT ceramics (PLZT) ceramics transparent AlN ceramics, transparent ZnS are ceramic, transparent
ZnSe is ceramic or transparent MgF2 ceramic particles in one or more composition.
Embodiment 3
As shown in Figure 3, between the porous core 1 and visible laser 2 that are made of optical ceramics sintering core
Concavees lens 11 are set in light path, the backlight of liquid crystal display light source without speckle effect can be equally constituted.
Embodiment 4
As shown in figs. 4 and 5, present invention also offers a kind of liquid crystal display for eliminating laser picture speckle, the liquid crystal
Display include the porous core 1 of multiple makrolon bonding core compositions, visible laser 2, reflectance coating 4, even smooth film 5,
Brightness enhancement film 6, light polarizing film 7, LCDs 8 and negative phototropic cover 10；
LCDs 8 and negative phototropic cover 10 constitute an optical cavity, and reflectance coating 4 is bonded in the inner surface of negative phototropic cover 10,
Porous core 1 and visible laser 2 are fixedly mounted on the inner surface relative with LCDs 8 of negative phototropic cover 10 in array,
Porous core 1 and visible laser 2 are corresponded；Light polarizing film 7, brightness enhancement film is bonded on the inner surface of LCDs 8 successively
6th, even smooth film 5 and uniform light board, uniform light board is not shown in figure.
Using LCD backlight cover 10 as the poly- of multiple visible light semiconductor lasers 2 and multiple porous cores 1
Light/reflective structure 3 is used.Multiple porous cores 1, multiple visible light semiconductor lasers 2, reflectance coating 4 are placed in it.It can be seen that
The laser beam of the outgoing of optical semiconductor laser 2 is irradiated on porous core 1, by the reflection of the N (N >=1) of porous core 1,
360 ° of space scattering light source is formed after transmission, the divergencing laser of multi-wavelength is by reflectance coating 4, even smooth film 5, brightness enhancement film 6, polarisation
Film 7, reflection, reflect final exiting liquid crystal display screen 9 and be imaged.
The composition of porous core 1 can be with glass, polymethyl methacrylate (PMMA), makrolon in the present embodiment
(PC), cyclic olefin polymer (COP), cyclic olefine copolymer (COC), polysulfones plastics (PSU), styrene methacrylic acid, first
Ester copolymer, the sweet carbonic ester of pi-allyl two, CR39, SAN (AS), styrene-butadiene-propylene
(ABS), the simple bonding core that petchem (PET) particle is made；Or the stacking material of various simple bonding cores；
It can be the core that is bonded of various mixtures of above-mentioned material particle；Bonding agent uses epoxy resin, it is also possible to use phenolic resin,
Unsaturated polyester (UP), polyurethane, organosilicon, polyimides, BMI, allyl resin, furane resins, amino resins,
Alkyd resin, polyethylene, polypropylene, polyvinyl chloride, polystyrene, acrylic resin, nylon, makrolon, polyformaldehyde, thermoplastic
Property polyester, polyphenylene oxide, fluororesin, polyphenylene sulfide, polysulfones, polyketone class, polybenzoate, liquid crystal polymer, silicate, phosphate and phosphorus
It is acid-cupric oxide, cellulose esters, vinyl polymer polyvinyl acetate, polyvinyl alcohol, Vinylidene Chloride, polyisobutene, polyester, poly-
In ether, polyamide, polyacrylate, a- cyanoacrylates, Pioloform, polyvinyl acetal or vinyl-vinyl acetate copolymer one
Plant or more than one composition.
Embodiment 5 is present invention also offers a kind of laser projection for eliminating laser picture speckle, the laser projection bag
Include porous core 1, optically focused/reflective structure 3, optical shaping mirror 12, projector architecture part 13, visible laser module 14, light
Fine beam 15 and optical fiber head cluster 16；
Optical fiber head cluster 16 and porous core 1 are fixedly mounted on projector architecture part 13, and porous core 1 is located at optical fiber collection
In the light path of beam first 16, optically focused/reflective structure 3 surrounds in geometric center position porous core 1, and optical shaping mirror 12 is fixed on
On optically focused/reflective structure 3 and positioned at the top of porous core 1, it is seen that light laser module 14 is by fibre bundle 15 and optical fiber collection
Beam first 16 is connected.
The laser that visible laser module 14 sends is irradiated on porous core 1 by fibre bundle 15, and laser beam passes through
The scattering of porous core 1 makes laser beam produce space quadrature, so that laser speckle is eliminated, laser beam is by porous core 1
After scattering, 360 degree of spot lights similar to high-pressure sodium lamp are formed, coordinate optically focused/reflective structure 3 and optical shaping mirror 12 to form one
Plant new laser projection light source.The light source expands the color of display for existing high-pressure sodium lamp light source of projector
Domain, reduces the caloric value of light source, extends the service life of light source, reduces the power consumption of light source.With existing laser projection
Machine light source is compared, and the present invention can be completely eliminated laser picture speckle, does not change the light path design of existing projector, can be reduced
Whole machine production cost.
In sum, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (14)
1. it is a kind of eliminate laser picture speckle porous core, it is characterised in that the porous core is big by more than one refractive indexes
Material granule in 1 is constituted, and the full-size of granular materials profile is less than 10mm；Sintering or bonding side are used between granular materials
Method forms pore structure, and unordered heap poststack forms unordered hole between granular materials；Stacking hole between granular materials
Full-size is less than 10mm.
2. the porous core of laser picture speckle is eliminated as claimed in claim 1, it is characterised in that between the granular materials
Hole filled by gas or liquid.
3. the porous core of laser picture speckle is eliminated as claimed in claim 1 or 2, it is characterised in that the porous core
Formed according to mass percent mixed sintering or bonding by the different granular materials of various refractive indexes.
4. the porous core of laser picture speckle is eliminated as claimed in claim 1 or 2, it is characterised in that the porous core
The porous core stacking or bonding being respectively prepared by two kinds of different refractivity granular materials form a kind of porous sand of complex refractive index
Core.
5. the porous core of laser picture speckle is eliminated as claimed in claim 3, it is characterised in that the porous core passes through
Cutting or polishing form display illumination and need the macroscopic devices of geometry.
6. the porous core of laser picture speckle is eliminated as claimed in claim 4, it is characterised in that the complex refractive index is more
Hole core forms display illumination and needs the macroscopic devices of geometry by cutting or polishing.
7. the porous core of laser picture speckle is eliminated as claimed in claim 1, it is characterised in that the porous core is burning
Knot glass core or the quartzy core of bonding.
8. the porous core of laser picture speckle is eliminated as claimed in claim 7, it is characterised in that the sintered glass core
Composition for quartz, transparent alumina ceramics, transparent magnesia ceramics, transparent yttria ceramics, transparent calcium fluoride ceramic,
Transparent berryllia ceramics, transparent gadolinium sesquioxide ceramics, transparent Indium calcium ceramics, transparent thoria ceramics, transparent lead zirconate titanate
Lanthanum ceramics, transparent aluminium nitride ceramic, transparent zinc sulphide are ceramic, transparent zinc selenide is ceramic or transparent fluorinated magnesium ceramic particle in one
Plant or more than one composition.
9. the porous core of laser picture speckle is eliminated as claimed in claim 7, it is characterised in that the bonding quartz core
It is made up of particulate component and bonding composition, particulate component is polymethyl methacrylate, makrolon, cyclic olefin polymer, ring
Olefin copolymer, polysulfones plastics, styrene methacrylic acid, methyl terpolymer, the sweet carbonic ester of pi-allyl two, styrene-the third
Alkene lonitrile copolymer, styrene-butadiene-propylene, petchem, quartz, transparent alumina ceramics, transparent Indium magnesium pottery
Porcelain, transparent yttria ceramics, transparent calcium fluoride ceramic, transparent berryllia ceramics, transparent gadolinium sesquioxide are ceramic, transparent oxygen
Change calcium ceramics, transparent thoria ceramics, transparent PLZT ceramics, transparent aluminium nitride ceramic, transparent zinc sulphide ceramic, transparent
Zinc selenide is ceramic or transparent fluorinated magnesium ceramic particle in one or more composition；
Bonding composition is epoxy resin, phenolic resin, unsaturated polyester (UP), polyurethane, organosilicon, polyimides, bismaleimide
Amine, allyl resin, furane resins, amino resins, alkyd resin, polyethylene, polypropylene, polyvinyl chloride, polystyrene, propylene
It is acid resin, nylon, makrolon, polyformaldehyde, thermoplastic polyester, polyphenylene oxide, fluororesin, polyphenylene sulfide, polysulfones, polyketone class, poly-
It is phenyl ester, liquid crystal polymer, silicate, phosphate and Phosphoric Acid-Copper Oxide, cellulose esters, vinyl polymer polyvinyl acetate, poly-
Vinyl alcohol, Vinylidene Chloride, polyisobutene, polyester, polyethers, polyamide, polyacrylate, a- cyanoacrylates, polyvinyl alcohol
One or more composition in acetal, vinyl-vinyl acetate copolymer.
10. the as claimed in claim 1 porous core for eliminating laser picture speckle, it is characterised in that the porous core with
Lasing light emitter constitutes the backlight of liquid crystal display light source without speckle effect, also there is optics between porous core and lasing light emitter
And leaded light device, optics is concavees lens, convex lens, prism, curved mirror, speculum or lenticule；Leaded light device is：Light
Fine, light guide plate or lamp guide.
The 11. as claimed in claim 10 porous cores for eliminating laser picture speckles, it is characterised in that the porous core with
There is reflective/concentration structure in lasing light emitter periphery.
12. it is a kind of eliminate laser picture speckle liquid crystal displays, it is characterised in that the liquid crystal display include porous core,
Lasing light emitter, reflectance coating, even smooth film, uniform light board, brightness enhancement film, light polarizing film, LCDs and negative phototropic cover；
The LCDs and the internal negative phototropic cover for pasting reflectance coating constitute an optics cavity with reflective/concentration structure
Body, the porous core and lasing light emitter are fixedly mounted on the negative phototropic cover inner surface relative with LCDs in array, one
Porous core is at least corresponding with a lasing light emitter；Light polarizing film, brightness enhancement film, even smooth film are disposed on the inner surface of the LCDs
And uniform light board.
The 13. as claimed in claim 12 liquid crystal displays for eliminating laser picture speckles, it is characterised in that shown lasing light emitter is
Visible laser or visible light semiconductor laser.
14. liquid crystal displays for eliminating laser picture speckle as claimed in claim 13, it is characterised in that the visible ray half
The wavelength of conductor laser is 400~470nm, 500~540nm or 600~670nm.
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