WO2006059652A1 - 有機金属ポリマー材料 - Google Patents
有機金属ポリマー材料 Download PDFInfo
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- WO2006059652A1 WO2006059652A1 PCT/JP2005/022007 JP2005022007W WO2006059652A1 WO 2006059652 A1 WO2006059652 A1 WO 2006059652A1 JP 2005022007 W JP2005022007 W JP 2005022007W WO 2006059652 A1 WO2006059652 A1 WO 2006059652A1
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- organometallic
- polymer material
- organometallic polymer
- metal
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/442—Block-or graft-polymers containing polysiloxane sequences containing vinyl polymer sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/58—Metal-containing linkages
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/13—Integrated optical circuits characterised by the manufacturing method
- G02B6/138—Integrated optical circuits characterised by the manufacturing method by using polymerisation
Definitions
- the present invention relates to a substrate for electrical wiring, a material for machine parts, various coating materials such as an antireflection film and a surface protective film, an optical communication device such as an optical transceiver module, an optical switch, and an optical modulator, an optical waveguide, Optical propagation path structures such as optical fibers and lens arrays, and optical devices such as optical beam splitters, display devices such as integrator lenses, microlens arrays, reflectors, light guide plates, and projection screens (display or liquid crystal projectors) Etc.) Related optical elements, glasses, CCD optical system, lens, composite aspherical lens, 2P (Phot ⁇ replication process) lens, optical filter, diffraction grating, interferometer, optical coupler, optical multiplexer / demultiplexer, optical sensor , Hologram optical elements, other optical component materials, photovoltaic elements, contact lenses, medical artificial tissues, light emitting diode (LED) modes
- the de material such relates organometallic polymer material that can and Mochii
- Inorganic materials such as metals and ceramics are excellent in heat resistance, mechanical strength, electrical properties, optical properties, chemical stability, etc., and are widely used industrially by taking advantage of their functions. .
- forming at high temperature or mechanical processing is required, and its application may be limited.
- organic polymers have excellent processability because they have excellent moldability and flexibility.
- organic polymers using metal alkoxide as a starting material have been actively developed as organic / inorganic materials, hybrid materials or organic / inorganic nanocomposites.
- Patent Document 1 and Patent Document 2 etc., an attempt is made to apply such an organic-inorganic hybrid material to an optical waveguide.
- hydrolysis reaction is performed by adding metal alkoxide as a starting material and adding water as necessary in a so-called sol-gel process. Therefore, a lot of moisture (HO) and silanol groups (Si-OH) remain in the material. Special
- silanol groups are difficult to remove by heating, etc., they are a major cause of light loss mainly in the infrared region, and have a great effect especially in the vicinity of 1500 nm, which is the optical communication wavelength band.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-356722
- Patent Document 2 Special Table 2001-506372
- Patent Document 3 Japanese Patent Laid-Open No. 6-322136
- Patent Document 4 Japanese Patent Laid-Open No. 2003-195070
- Patent Document 5 Japanese Unexamined Patent Publication No. 2000-336281
- Patent Document 6 Japanese Unexamined Patent Publication No. 2000-34413
- An object of the present invention is to provide an organometallic polymer material having excellent translucency, high hardness after curing, and high reliability at high temperature and high humidity, and an optical component using the same. That is true.
- the organometallic polymer material of the present invention includes an organometallic polymer having an M—O—M bond (M is a metal atom), a metal alkoxide having only one hydrolyzable group, and Z or its It is characterized by containing a hydrolyzate and an organic polymer having a urethane bond and a methacryloxy group or an attaoxy group.
- the organometallic polymer material of the present invention includes the organometallic polymer, the metal alkoxide and Z or a hydrolyzate thereof, and the organopolymer.
- the organic polymer is an organic polymer having a urethane bond and a methacryloxy group or an attaoxy group.
- a polyisocyanate such as diisocyanate is used at the end of a polyol, and a hydroxyl group and a methacryloxy group or an attaoxy group are used.
- Examples thereof include organic polymers obtained by reacting a group-containing compound.
- an acrylate-based rosin having a highly hydrophobic phenol group or bisphenol A structure is preferably used.
- At least one of AC-IS and IS-PO is bonded by a urethane bond.
- the presence of this urethane bond is important in the present invention. Due to the cohesive force of hydrogen bonds derived from this urethane bond, the cured product of the organometallic polymer material of the present invention has flexibility and toughness. Furthermore, it is possible to prevent the occurrence of cracks at high temperatures and high humidity.
- the AC portion has a polymerizable group (carbon double bond), and the organic polymer itself is polymerized or bonded to the organometallic polymer by energy such as light or heat. And has the function of curing the organometallic polymer material.
- the PO part is a part that gives characteristics such as flexibility of the organic polymer.
- a polyester-based polyol a polyether-based polyol, a polycarbonate-based polyol, a poly-strength prolatatone-based polyol, a silicone-based polymer. It is composed of polyol, polybutadiene-based polyol and so on.
- Examples of the organic polymer include those containing a polybutadiene structure and aryl groups in the skeleton.
- aryl groups include phenyl and naphthyl groups.
- an aryl group is introduced into at least a part of the polyol portion, isocyanate portion, and (meth) acrylate portion of the organic polymer, and further an aryl group is introduced into the organometallic polymer.
- it is. This is because a binding force is generated by the overlapping of ⁇ electron clouds constituting each other's aryl group, thereby forming a stronger bond and suppressing separation of the organic metal polymer and the organic polymer. This is the power to obtain transparency.
- the polyfunctional (meth) arylate is used for the purpose of adjusting the mechanical properties such as the viscosity of the liquid before being cured by irradiation with energy such as heat and light, and the hardness of the cured product.
- Single-function (meta) Atallate can be added!
- polyfunctional (meth) containing aryl group in the molecule Atalylate and monofunctional (meth) attalylate have high molecular refraction, so that the refractive index can be easily adjusted.
- a bonding force is generated due to the overlap between the aryl group introduced into the organometallic polymer or the organic polymer and the ⁇ electron cloud, and a stronger bond can be formed.
- polyfunctional (meth) acrylates include, for example, ethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, polypropylene glycol di (meth) ) Atalylate, 1, 6-hexanediol di (meth) acrylate, glycerol di (meth) acrylate, 2, 2-dimethyl-1-hydroxypropyl 2, 2-dimethyl-3-propionate ) Atarylate, 1,4-Butanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, di (meth) acrylate of neopentyl glycol hydroxyphosphate, bisphenol ⁇ ⁇ ⁇ with propylene oxide Di- (meth) atarylate of porridge, 2, 2 '—di (hydroxypropoxyv Diethyl (meth) acrylate of propane, di (meth)
- pentaerythritol tri (meth) acrylate pentaerythritol tetra (meth) acrylate, trimethylolpropane tri (meth) acrylate, dipentaerythritol hexa (meth) acrylate, trimellitic acid tri ( (Meth) attalylate, triallyl trimellitic acid, triallyl isocyanurate tris (2-hydroxyethyl) isocyanate
- examples thereof include tri (meth) acrylate of nurate, tri (meth) acrylate of tris (hydroxypropyl) isocyanurate, tetramethylol methane tri (meth) acrylate, tetramethylol methane tetra (meth) acrylate, and the like.
- Examples of monofunctional (meth) acrylates include, for example, benzyl (meth) acrylate and ethyl.
- the organic polymer having the above structure is generally called urethane acrylate resin or the like.
- a transparent resin layer is formed on a glass base material and used as a material for forming a transparent resin layer when manufacturing an optical component such as a composite aspherical lens.
- An optical component using such a polyurethane acrylate-based resin alone has a problem that its reliability at high temperature and high humidity is insufficient. That is, there is a problem that cracks and the like are likely to occur under high temperature and high humidity.
- the present invention by using such a urethane acrylate resin in combination with the organometallic polymer, the metal alkoxide, and Z or a hydrolyzate thereof, the conventional problem can be solved.
- the conventional problem can be solved.
- the present invention is based on such knowledge of the present inventor.
- an alicyclic oxy group is used in the same meaning as an acryloyl group
- a methacryloxy group is used in the same meaning as a methacryloyl group.
- (meth) atallylate is a generic name for attalylate and metatalylate
- (meth) atalyloyl is a generic name for alitaroyl and methacryloyl.
- the present invention includes the metal alkoxide and Z or a hydrolyzate thereof.
- the metal alkoxide and Z or a hydrolyzate thereof may be contained in a state of being bound to an organometallic polymer, or may be contained in a bound state.
- the hydrolyzate of metal alkoxide may be a polycondensate of the hydrolyzate.
- a metal alkoxide having only one hydrolyzable group and Z or a hydrolyzate thereof are contained at the end of the molecule of the organometallic polymer.
- a metal alkoxide and Z or a hydrolyzate thereof react with the OH group, and the —OH group can be eliminated. For this reason, it is possible to reduce the light propagation loss that occurs in the wavelength range of 1450 to 1550 nm.
- metal atom M is Si
- Si—O is attached to the end of the molecule of the organometallic polymer.
- R There may be an alkoxy group represented by R. This alkoxy group absorbs moisture and hydrolyzes to generate a silanol group as follows.
- an alkoxysilane having only one alkoxy group represented by the following formula absorbs moisture and hydrolyzes as follows.
- the silanol group at the end of the molecule of the organometallic polymer disappears. For this reason, according to the present invention, high transmittance can be maintained for a long time.
- the metal alkoxide since the metal alkoxide is hydrolyzed and acts as a hydrolyzate, it may be included in the form of a metal alkoxide or may be included in the form of a hydrolyzate. Good.
- the organometallic alkoxide or a hydrolyzate thereof when the organometallic alkoxide or a hydrolyzate thereof is contained in a state in which it is not bonded to the organometallic polymer, the organometallic polymer newly absorbs moisture, and a silanol is absorbed at the terminal.
- the metal alkoxide or its hydrolyzate in a state of being bonded to the silanol group or the like acts on the silanol group or the like, and the silanol group or the like can be extinguished as described above.
- the metal alkoxide or the hydrolyzate thereof may contain a fluorine atom. That is, a metal alkoxide in which hydrogen in the hydrocarbon portion is replaced with a fluorine atom and a hydrolyzate thereof may be used.
- M in the M—O—M bond of the organometallic polymer is preferably Si, Ti, Nb, Zr or a combination of these metals, and particularly preferably Si.
- the organometallic polymer can be formed from, for example, a silicone resin.
- the metal alkoxide having only one hydrolyzable group in the present invention includes trimethylmethoxysilane, trimethylethoxysilane, triethylmethoxysilane, triethyle
- Examples include toxisilane, tripropylmethoxysilane, tripropylethoxysilane, benzyldimethylmethoxysilane, benzyldimethylethoxysilane, diphenylmethoxymethylsilane, diphenylethoxymethylsilane, acetiltriphenylsilane, and ethoxytriphenylsilane.
- the organometallic polymer material of the present invention preferably further contains an organic anhydride and Z or an organic acid! /.
- the anhydrous organic acid absorbs and hydrolyzes moisture
- the moisture in the organometallic polymer can be reduced by containing the anhydrous organic acid.
- absorption due to moisture is reduced, and the transmittance can be increased by adding only an organic acid anhydride.
- the organic acid contained in the organometallic polymer promotes the reaction of silanol groups and the like. For this reason, it can promote that a silanol group etc. disappear. For example, the reaction between the silanol groups at the ends of the molecules of the organometallic polymer can be promoted.
- the organic anhydride and Z or organic acid are preferably contained in the organometallic polymer material of the present invention for the following reasons. That is, by including an organic acid anhydride and / or an organic acid together with a metal alkoxide having only one hydrolyzable group and Z or a hydrolyzate thereof, in addition to removing moisture by the organic anhydride, A hydrolyzate of metal alkoxide having only one decomposable group reacts with the OH group generated at the end of the molecule of the organometallic polymer, and the reaction for eliminating the OH group is promoted.
- Patent Document 3 and Patent Document 4 trifluoroacetic acid is used as a catalyst for the purpose of promoting the hydrolysis reaction of the hydrolyzable silane compound. This is added to make the reaction solution acidic during the sol-gel process in which water is added to promote the reaction, and is not trifluoroacetic anhydride. This is because trifluoroacetic anhydride reacts violently with water and immediately changes to trifluoroacetic acid.
- the present invention there is no disclosure about the addition to the final product (cured product) or the effect of reducing light loss due to the acid anhydride.
- the amount added is preferably at a level detectable by infrared absorption spectroscopy. Specifically, the trif Absorption peak height of chloroacetic acid (around 1780cm 1 ) Absorption peak height due to ZSiO (1
- the ratio of the vicinity of 100 cm 1 is preferably 0.05 or more.
- metal alkoxide or a hydrolyzate thereof is an alkoxysilane or a hydrolyzate thereof, one represented by the following general formula can be given as an example.
- R, R and R are organic groups having 1 to 15 carbon atoms, preferably alkyl groups.
- R is an alkyl group having 1 to 4 carbon atoms.
- trialkylalkoxysilanes such as trimethylalkoxysilane and triethylalkoxysilane.
- alkoxy group examples include methoxy group and ethoxy group.
- organic acid anhydride examples include trifluoroacetic anhydride, acetic anhydride, and propionic anhydride. Particularly preferably, trifluoroacetic anhydride is used.
- organic acid examples include trifluoroacetic acid, acetic acid, propionic acid and the like. In particular, trifluoroacetic acid is preferably used.
- the organometallic polymer can be synthesized, for example, by hydrolysis and polycondensation reaction of an organometallic compound having at least two hydrolyzable groups.
- organometallic compound examples include trialkoxysilane or dialkoxysilane containing an organic group.
- organic group examples include an alkyl group, an aryl group, and an aryl-containing group.
- aryl group a phenyl group is preferable.
- phenyltrialkoxysilane and diphenyldialkoxysilane More preferred are phenyltriethoxysilane, phenyltrimethoxysilane, diphenyldimethoxysilane, diphenylgertoxy. Silane.
- the organometallic compound preferably contains an organometallic compound having a functional group that crosslinks by heating and irradiation with Z or energy rays.
- energy examples of the rays include ultraviolet rays and electron beams.
- Examples of such a functional group that can be crosslinked include an talyloxy group, a methacryloxy group, a styryl group, an epoxy group, and a vinyl group. Therefore, trialkoxysilanes having these functional groups are preferably used.
- a radical polymerizable functional group such as an attaryloxy group, a methacryloxy group, a styryl group, and a bur group
- a radical polymerization initiator is contained.
- radical polymerization initiators examples include 1-hydroxy monocyclohexyl mono-phenol mono ketone, 2-hydroxy mono 2-methyl 1-phenol mono-propane mono 1-one, 2-benzyl mono 2-dimethylamino 1- (4-morpholinophenol) 1-butanone 1, 1-oxyphenoxyacetic acid 2- [2-oxo-2-phenolinocetoxy ethoxy] 1-ethyl ester, Mention may be made of the diluacetic acid 2- [2-hydroxyethoxy] ethyl ester and mixtures thereof.
- a curing agent is contained.
- curing agents include amine curing agents, imidazole curing agents, phosphorus curing agents, and acid anhydride curing agents. Specific examples include methylhexahydrophthalic anhydride, hexahydrophthalic anhydride, and tetraethylenepentamine.
- the mixing ratio is a weight ratio (organometallic compound having a functional group: having a functional group.
- V organometallic compounds
- the content of the organic polymer is preferably 5 to 95% by weight, more preferably 40 to 95% by weight. If the content of the organic polymer is too small, cracks are likely to occur at high temperatures and high humidity, which is a major cause of light absorption and scattering. On the other hand, if the content of the organic polymer is too large, the heat resistance is lowered, and the deterioration in a high temperature environment progresses, so that the optical characteristics, particularly the translucency is lowered.
- the organometallic polymer material of the present invention can be made a more transparent material.
- a transmittance of 80% or more is obtained for a sample with a thickness of 3 mm.
- the transmittance is 90% or more.
- the content of the metal alkoxide or the hydrolyzate thereof is preferably 0.1 to 15 parts by weight with respect to 100 parts by weight of the organometallic polymer. More preferably, it is 0.2 to 2.0 parts by weight. If the content of the metal alkoxide or its hydrolyzate is too small, OH groups remain, so that absorption in the wavelength range of 1450-155 Onm increases, water absorption increases, and deterioration tends to occur. On the other hand, if the content of the metal alkoxide or its hydrolyzate is too high, cracking may occur due to the release of excess metal alkoxide or its hydrolyzate from the material in a high temperature environment. It becomes.
- the content of the organic acid anhydride or organic acid is preferably 0.1 to L0 parts by weight, more preferably 1 to 5 parts by weight with respect to 100 parts by weight of the organometallic polymer. is there. If the content of organic acid anhydride or organic acid is too low, the removal of OH groups by metal alkoxide having only one hydrolyzable group will be incomplete, and conversely the content of organic acid anhydride or organic acid will be low. If the amount is too large, excess organic acid or organic acid itself is released from the material in a high temperature environment, which causes cracks.
- the difference between the refractive index of the cured product of the organometallic polymer and the refractive index of the cured product of the organic polymer is 0.01 or less. I like it.
- the difference in refractive index is set to 0.01 or less, light scattering caused by the difference in refractive index at the interface between the organic metal coalescence region and the organic polymer region in the material is suppressed, and 90% The above transmittance can be obtained.
- the difference between the refractive index in a liquid state before curing the organometallic polymer and the refractive index before curing the organic polymer is 0. It is preferably 02 or less.
- the transmittance of the cured material can be 90% or more.
- the organometallic polymer material of the present invention has the above metal alkoxide in an IR measurement chart. It is preferred to have an absorption peak near 850cm 1 due to sid. By having such an absorption peak, a trimethylsilyl group as a metal alkoxide having only one hydrolyzable group is sufficiently contained in the material, and the OH group in the material is efficiently removed. Will be.
- the organometallic polymer material of the present invention preferably contains fine particles having at least one kind of metal, metal oxide, and metal nitride. Also, the size of the microparticles is preferably less than lOOnm! /.
- Examples of the metal particles include gold, silver, and iron.
- metal oxide particles examples include silicon oxide, niobium oxide, oxide zirconium, titanium oxide, oxide aluminum, yttrium oxide, cerium oxide, and oxide lanthanum.
- silicon oxide, niobium oxide, zirconium oxide, and titanium oxide are preferably used.
- Examples of the metal nitride particles include aluminum nitride, zirconium nitride, and titanium nitride.
- the refractive index of the organometallic polymer material can be controlled to be low. Moreover, the refractive index of the organometallic polymer can be controlled to be high by incorporating fine particles having a high refractive index as the fine particles.
- Metal oxide particles that can increase the refractive index include acid oxide (Nb 2 O 3) particles, zirconium oxide (ZrO 2) particles, and titanium oxide (TiO 2) particles.
- fine particles that can lower the refractive index include silicon oxide (SiO 2).
- an organometallic polymer is synthesized by hydrolysis and polycondensation reaction of an organometallic compound having at least two hydrolyzable groups.
- An organic metal polymer containing an acid and Z or an organic acid is a method for producing an organic metal polymer by hydrolyzing an organic metal compound in an organic solvent and subjecting it to a polycondensation reaction. After removing the organic solvent, adding the anhydrous organic acid and Z or organic acid, and after removing the excess of the anhydrous organic acid and Z or organic acid, add the metal alkoxide and Z or a hydrolyzate thereof. Process, And a step of adding an organic polymer after removing an excess of the metal alkoxide and z or an additive thereof.
- the step of removing the hydrophilic component by washing with water after removing the excess of the metal alkoxide and Z or its hydrolyzate and before adding the organic polymer is further provided.
- the optical component of the present invention is characterized in that a light transmission region is formed using the organometallic polymer material of the present invention.
- a light transmission region is formed on a base material such as translucent glass, ceramic, or brass using the organometallic polymer material of the present invention. Things.
- a base material such as translucent glass, ceramic, or brass using the organometallic polymer material of the present invention. Things.
- Examples of the optical component of the present invention include a composite aspheric lens.
- the composite aspherical lens is an aspherical lens in which a light transmission region composed of a light-transmitting resin layer is formed on a spherical lens such as glass.
- the organometallic polymer material of the present invention contains an organometallic polymer, a metal alkoxide, and Z or a hydrolyzate thereof as described above, it has good adhesion to glass and the like.
- a light transmission region made of the organometallic polymer material of the present invention is formed on the material, a light transmission region with good adhesion can be provided.
- the optical component of the present invention is formed from a single material strength of the organometallic polymer of the present invention, as described above, it has high reliability under high temperature and high humidity, and is excellent in hardness and heat resistance.
- a camera module according to the present invention includes the optical component according to the present invention.
- Examples of using the camera module of the present invention include a mobile phone and a vehicle-mounted back monitor.
- a cellular phone according to the present invention includes the camera module according to the present invention.
- a projector according to the present invention includes the optical component according to the present invention, and specifically includes a liquid crystal projector.
- the optical waveguide of the present invention is characterized in that a core layer and / or a cladding layer is formed using the organometallic polymer material of the present invention.
- Examples of the optical waveguide of the present invention may further include a power wiring.
- the organometallic polymer material of the present invention includes the organometallic polymer, the metal alkoxide and Z or a hydrolyzate thereof, and the organopolymer, the translucent material is excellent in transparency and after curing. High hardness and excellent reliability under high temperature and high humidity.
- the organometallic polymer material of the present invention and the optical component using the same are excellent in reliability under high temperature and high humidity, and have high hardness and heat resistance, the substrate for electrical wiring, the machine part Materials, various coating materials such as anti-reflection coatings, surface protective coatings, optical transmission / reception modules, optical switches, optical communication devices such as optical modulators, optical waveguide structures such as optical waveguides, optical fibers, lens arrays, etc.
- Optical devices such as optical beam splitters, integrator lenses, microlens arrays, reflectors, light guide plates, projection screens, and other display devices (displays or liquid crystal projectors, etc.) related optical elements, glasses, CCD optical systems , Lens, composite aspherical lens, 2P (Photoreplication Process) lens, optical filter, diffraction grating, interferometer, optical coupler, optical multiplexer / demultiplexer, optical sensor, holographic It is a useful material for ram optical elements, other optical component materials, photovoltaic elements, contact lenses, medical artificial tissues, and light emitting diode (LED) molding materials.
- LED light emitting diode
- FIG. 1 is a schematic cross-sectional view showing an example of a process for producing a composite aspheric lens of the present invention.
- FIG. 2 is a schematic diagram showing an apparatus for observing spherical aberration of a composite aspheric lens.
- FIG. 3 is a diagram showing a mesh pattern image when observed using a glass spherical lens and a composite aspheric lens.
- FIG. 4 is a diagram for explaining a method for measuring a peak ratio AZB in an IR chart.
- FIG. 5 is a diagram showing an IR chart of a cured product of the organometallic polymer material of Example 1.
- FIG. 6 is a diagram showing an IR chart of a cured product of the organometallic polymer material of Comparative Example 1.
- FIG. 7 is a diagram showing an IR chart of a cured product of the organometallic polymer material of Example 8.
- FIG. 8 shows the size of SiO particles contained in the organometallic polymer material of the present invention.
- FIG. 9 is a diagram showing the reflectance after the high temperature and high humidity test.
- FIG. 10 is a graph showing the water absorption rate of the organometallic polymer material when the mixing ratio of the organometallic compounds A and B is changed.
- FIG. 11 is a cross-sectional view showing a camera module of one embodiment according to the present invention.
- FIG. 12 is a schematic cross-sectional view showing a mobile phone in which a conventional camera module is arranged.
- FIG. 13 is a schematic cross-sectional view showing one embodiment of the mobile phone of the present invention in which the camera module of one embodiment according to the present invention is arranged.
- FIG. 14 is a cross-sectional view showing an optical waveguide of one embodiment according to the present invention.
- FIG. 15 is a cross-sectional view showing an optical waveguide according to another embodiment of the present invention.
- FIG. 16 is a cross-sectional view showing an optical waveguide of still another embodiment according to the present invention.
- FIG. 17 is a schematic cross-sectional view showing an example of a liquid crystal projector.
- FIG. 18 is a schematic cross-sectional view showing an embodiment of a liquid crystal projector according to the present invention.
- FIG. 19 is a schematic cross-sectional view showing another embodiment of the liquid crystal projector according to the present invention.
- organometallic polymer materials of Examples 1 to 8 and Comparative Examples 1 to 3 were synthesized as follows.
- the organometallic polymer material was synthesized by the following step S.
- organometallic compound A and the organometallic compound B were hydrolyzed and polycondensed by allowing to stand for 24 hours.
- a viscous liquid C was obtained by adding 0.45 g (45 wt%) of the organic polymer ZZ shown in Table 1 to the viscous liquid BO.
- organic polymer ZZ the following are used in each example.
- Example 1 Urethane acrylate-based photocured resin
- Example 8 Silicone acrylate-based photocured resin
- each said photocured resin is as follows.
- the AC portion has methacryloyl basic force
- the IS-PO portion also has urethane prepolymer strength.
- the AC part is also an taliloyl group and the IS-PO part is alcohol.
- the epoxy acrylate-based photocured resin has an AC force S methacryloyl base, and the IS-PO portion has glycidyl ether.
- the AC part has a methacryloyl basic force
- the IS-PO part also has a silicone (Si-O) bond-containing prebolimer force.
- Example 1 The same procedure as in Example 1 was conducted except that 3-methacryloxypropyltrimethoxysilane was used as the organometallic compound A and pentaethoxyniobium was used as the organometallic compound B.
- Example 1 The same procedure as in Example 1 was conducted except that 3-methacryloxypropyltrimethoxysilane was used as the organometallic compound A and zirconium isopropoxide was used as the organometallic B.
- the organometallic polymer material was synthesized by the following step R.
- Viscous liquid C was synthesized in the same manner as in step S using organometallic compounds A and B, metal alkoxide X, organic acid Y, and organic polymer ZZ shown in Table 1. Further, a particle dispersion in which 10% by weight of the particles Z shown in Table 1 is dispersed in the solvent S is prepared, and the particle dispersion is added to the viscous liquid C and stirred, and then heated and dried at 100 ° C. was removed by evaporation to obtain viscous liquid D.
- the mixing ratio of the particle dispersion and the viscous liquid C affects the refractive index after the viscous liquid D is cured, the mixing ratio may be adjusted to obtain a desired refractive index.
- the viscous liquid D was cured by irradiating it with ultraviolet rays, and the cured sample was evaluated in the same manner as in the above Examples. The evaluation results are shown in Table 1.
- SiO particles (Example 4: about 20 nm)
- Example 1 was repeated except that metal alkoxide X and organic acid ⁇ were not used.
- Example 1 was repeated except that the metal alkoxide X was not used.
- the sample was irradiated with (wavelength 365 nm) and cured.
- the coating thickness of the organometallic polymer material was 140 ⁇ m.
- FIG. 5 is a diagram showing an IR chart of a cured product of the organometallic polymer material of Example 1.
- FIG. 6 shows an IR chart of the cured coating film of Comparative Example 1. As shown in FIG. 6, absorption peaks based on metataroxy groups and urethane bonds are observed, but absorption peaks based on trimethylsilyl groups are not observed.
- FIG. 7 shows an IR chart of a cured coating film of the organometallic polymer material of Example 8.
- the absorption peak based on a urethane bond is Me certified near 900 cm 1 and 1550 cm 1.
- an absorption peak based on the Si—O bond is observed in the region near 1000 to 1200 cm- 1 .
- an absorption peak based on a trimethylsilyl group is observed near 850 cm 1 .
- it preferably has an absorption peak near 850 cm 1 due to the metal alkoxide. Table 1 shows the presence or absence of a peak near 850 cm- 1 in the IR charts of the examples and comparative examples.
- the metal atom M is Si
- the cured product of the organometallic polymer material of the present invention as described above, in the IR spectrum (the height of the absorption peak of the Si-OH bond near 3400 cm- 1 )
- a silanol group (Si—OH) is preferably contained so that the ratio of Z (the height of the absorption peak of the C—H bond near 2900 cm 1 ) is 0.2 or less. By setting this peak ratio to 0.2 or less, high transmittance can be obtained.
- the peak ratios of the IR spectra in Example 1, Example 4, and Comparative Example 2 are shown below.
- Example 1 0.1
- the peak ratio is calculated as the peak ratio A / B force obtained as shown in FIG.
- a disk-shaped sample conforming to JIS K 7209 was prepared, and the water absorption rate was measured.
- the amount of trimethylsilanol groups in the coating film of the cured organometallic polymer material was measured. Specifically, trimethylsilanol in the coating film was extracted with a solvent, and the extract was measured by gas chromatography. Table 1 shows the measurement results.
- the change with time in transmittance at 1550 nm was evaluated. Specifically, the transmittance before and after leaving for 1000 hours at room temperature is measured, and (transmission after leaving) Z (transmittance before leaving) X 100 is used as the maintenance factor of transmittance. It is shown in Table 1.
- Ciphenyl urethane urethane Atarire- ⁇ eta 1.5% 90% 90%
- Light-curing resin or less ⁇ 0.002 or more
- Examples 1 to 8 according to the present invention have a smaller amount of refractive index change under high temperature and high humidity than Comparative Examples 1 to 3. Therefore, it can be seen that it is excellent in reliability under high temperature and high humidity. Moreover, it turns out that coating-film hardness is equivalent or more. In addition, it can be seen that, compared to Comparative Example 2, the transmittance is maintained well even after being left at room temperature for a long time.
- the refractive index of the cured product of the organometallic polymer material of Example 1 is 1.52, whereas the refractive index of Example 4 is the mixing ratio of the particle dispersion and viscous liquid C in Step R. Can be set to 1.51, and the refractive index of Example 5 can also be set to 1.59 by controlling the mixing ratio of the particle dispersion and viscous liquid C in step R. I was able to.
- the refractive index was measured at a wavelength of 630 nm.
- the refractive index can be controlled by adding fine particles.
- Nb O particles When Nb O particles are added, the refractive index can be increased, and SiO particles are added.
- the refractive index can be lowered.
- a composite aspherical lens was produced using the viscous liquid C of Example 1.
- a compound aspherical lens is a spherical lens or a flat plate made of glass resin, and the aspherical lens produced by forming an aspherical resin layer on the optical surface of this matrix. It is.
- a viscous liquid 11 was dropped on a glass spherical lens 10 (base glass) having a diameter of 5 mm and a maximum thickness of 1 mm.
- the viscous liquid 11 is the viscous liquid C of Example 1.
- a nickel mold 12 having an aspherical shape on the inner surface is pressed against the viscous liquid 11 on the glass spherical lens 10, and then as shown in Fig. 1 (c).
- the glass spherical lens 10 side was irradiated with ultraviolet rays 14 to cure the viscous liquid 11 to form a resin layer 13 having an organometallic polymer material strength.
- the lens 17 is placed between the screen 18 on which the mesh pattern is formed and the CCD camera 16, and the screen is The mesh pattern on 18 was enlarged and observed.
- the mesh pattern on the screen 18 is a mesh pattern 19 having an interval of 0.5 nm as shown in FIG.
- SiO particles having different sizes were produced as follows.
- Tetraethoxysilane was diluted with an ethanol solvent, aqueous ammonia was added, and hydrolysis polycondensation was performed to prepare SiO particles. At this time, the pH value and alkoxysilane
- the size of the SiO particles obtained was controlled by changing the concentration of silicon. Specifically, lOnm
- SiO particles with 8 different particle sizes were prepared: 30 nm, 50 nm, 80 nm, 100 nm, 200 nm, 400 nm, and lOOOnm.
- the production of such SiO particles is, for example, AP
- a sample was prepared by adding 10 wt% to one material and irradiating with ultraviolet rays in the same manner as in Example 1.
- the transmittance of each sample obtained is shown in FIG.
- the transmittance increases as the size of the SiO particles decreases.
- the transmittance increases when it is less than lOOnm.
- Example 1 ⁇ Examination of relationship between refractive index difference and transmittance of organometallic polymer and organic polymer>
- a cured product of organometallic polymer obtained by UV-curing only viscous liquid B was obtained.
- the refractive index difference from the cured product (refractive index 1.52) obtained by UV-curing only the organic polymer ZZ was obtained, and the relationship between the refractive index difference and the transmittance was examined.
- the refractive index of the cured product of viscous liquid B is the same as that of Example 1 with organometallic compound A and organometallic. Adjustment was made by changing the mixing ratio of Compound B.
- the thickness of the coating film in the sample was 140 ⁇ m, and the transmittance was measured at a wavelength of 630 nm. Table 2 shows the measurement results.
- the organometallic polymer material of the present invention contains an inorganic compound and an organic compound as described above, it exhibits good adhesion to both inorganic and organic surfaces.
- an inorganic antireflection film and an organic antireflection film are known.
- the inorganic antireflection film is formed by a dry process such as sputtering or vacuum deposition.
- the organic antireflection film is formed by a wet process such as coating.
- the organometallic polymer material of the present invention exhibits good adhesion to both inorganic and organic materials. Therefore, the organometallic polymer material of the present invention is suitable for either an inorganic antireflection film or an organic antireflection film. Shows good adhesion.
- an inorganic antireflection film or an organic antireflection film can be formed thereon with good adhesion.
- a SiO 2 Z titanium oxide type film is particularly preferably used.
- titanium oxide-based materials include TiO and TiO.
- the SiO layer that is compatible with the cured coating of the organometallic polymer material is the base.
- Ti O layer titanium oxide layer
- SiO layer ZSiO layer
- An antireflection film having a laminated structure of 2 3 2 was formed.
- FIG. 9 is a diagram showing the reflectance after the high-temperature and high-humidity test (1). As shown in Fig. 9, good reflectivity was obtained even after the high temperature and high humidity test.
- a composite aspherical lens was produced in the same manner as in Example 9 except that a high refractive index transparent ceramic (refractive index of about 2.1) was used as the base material.
- the organometallic polymer material was synthesized by the following step T.
- Organometallic compound A shown in Table 3: 15.3 ml, and organometallic compound B shown in Table 3: 6.34 ml were transferred to 31.6 g of ethanol. 8ml was added. After sufficiently stirring this, it was left to stand at room temperature for 78 hours to cause hydrolysis and polycondensation reaction.
- the formation of the antireflection film is it possible to form a SiOZ titanium oxide-based antireflection film on the cured coating of the organometallic polymer material in the same manner as above to form an antireflection film?
- the surface condition after standing at 60 ° C and relative humidity 90% for 500 hours and the surface condition after standing at 85 ° C and relative humidity 85% for 500 hours are observed with the naked eye. And evaluated.
- Table 3 also shows the evaluation results of the organometallic polymer materials of Example Comparative Example 1 and Comparative Example 2.
- Step T above the viscous solution H of Example 14 (the solution before the addition of the organic polymer ZZ) was prepared using NOLAND's acrylated resin (trade name “NOA65”) as the organic polymer ZZ.
- NOA65 trade name “NOA65”.
- the refractive index of the liquid before curing and the refractive index of the solid after curing were measured.
- the refractive index was an Abbe refractometer, and the measurement wavelength was 589 nm.
- Table 4 shows the measurement results of the refractive index (nD).
- the thickness of the sample coating film was 140 ⁇ m, and the transmittance was measured at a wavelength of 630 nm. Table 5 shows the measurement results.
- the difference between the refractive index in the liquid state before curing and the refractive index of the organic polymer ZZ is set to 0.02 or less, whereby the transmission of the material after curing is reduced. It can be seen that the rate increases.
- the water absorption was 1% or less.
- the change in refractive index was 0.0005 or less in all cases.
- the hardness was H for pencil hardness.
- volumetric shrinkage rate before and after curing was measured and found to be 6 to 7%. It was 7 to 10% in the comparative cured product using only NOA65.
- An organometallic polymer material was synthesized by the following process U.
- step T the types of organometallic compounds A and B were changed as follows.
- Organometallic Compound A 3-Methacryloxypropyltrimethoxysilane (MPTMS)
- Organometallic compound B Phenyltrimethoxysilane (PhTMS)
- the above NOA65 is used as the organic polymer ZZ.
- the water absorption in the final cured product was changed.
- FIG. 10 shows the measurement results.
- ⁇ is the water absorption data of the cured product of viscous solution I
- ⁇ is the result of curing viscous solution E without performing steps (3) to (6) in step T. Water absorption data.
- the mixing ratio of MPTMS and PhTMS is the content of PhTMS, 15. 7 weight 0/0, 3
- the obtained organic polymer material was measured for water absorption, refractive index change, and hardness in the same manner as described above.
- the water absorption was 1% or less in all cases, and the refractive index variation was 0.0005 or less in all cases.
- the hardness was H in pencil hardness.
- Example 1 The heat resistance (thermal deformation temperature) of each material of Example 14 and Comparative Example 1 was evaluated. Measurement is a thermomechanical analyzer manufactured by Shimadzu Corporation
- Example 1 and Example 14 the temperature when the material softened and the needle entered the sample was defined as the heat distortion temperature.
- the heat distortion temperature was about 130 ° C.
- the force was about 50-60 ° C. Therefore, it can be seen that the heat resistance is improved in Example 1 and Example 14.
- Example 1 a viscous liquid C was prepared in the same manner as in Example 1 except that the following resin was used as the organic polymer ZZ in place of the urethane acrylate photocurable resin.
- A Polybutadiene glycol, tolylene diisocyanate and 2-hydroxyethyl aryl Urethane Atari rate consisting of a rate (manufactured by Nippon Soda Co., Ltd., trade name "TEA- 1000") to 5 to 6 wt 0/0,
- B pentaerythritol Atari rate 25-fold the amount of 0/0 of as a multi-functional Atari rate
- C a monofunctional benzyl methacrylate Tari rate 17 weight as Metatarireto 0/0
- D also to the organic polymer 2 wt% cyclohexyl phenyl ketone to 1-hydroxy cyclo as a photopolymerization initiator was ⁇ Ka ⁇ Used as ZZ.
- (A) Urethane acrylate (trade name “TEAI-1000” manufactured by Nippon Soda Co., Ltd.) consisting of polybutadiene glycol with hydrogen added to unsaturated double bond, tolylene diisocyanate and 2-hydroxyethyl acrylate. to as (B) polyfunctional pentaerythritol tri Atari rate as Atari rate 25 weight 0/0, (C) benzylidene Rume Tatari rate 17 weight 0/0 of the monofunctional Metatarireto, and (D) a photopolymerization initiator 1- hydroxy cyclohexane key Shirufe - the ketone 2 those ⁇ Ka ⁇ weight 0/0 was used as the organic polymer ZZ.
- TEAI-1000 manufactured by Nippon Soda Co., Ltd.
- TEA-1000 and “TE-2000” are urethane acrylate polymer and urethane metatalylate polymer having the following structures, “TEA-1000” has R of H,
- R is CH.
- TEAI-1000 has the following structure.
- Example 9 a composite aspherical lens was produced in the same manner as in Example 9 except that the viscous liquid C of Example 20 was used instead of the viscous liquid C of Example 1.
- Example 12 instead of the composite aspherical lens produced in Example 9, an antireflection film was formed on the composite aspherical lens produced in Example 23, and an antireflection film was formed.
- the spherical lens was evaluated by the methods (1) to (4) in the same manner as in Example 12. As a result, in all the tests, no white turbidity of the resin layer, peeling of the antireflection film, cracks, etc. were observed, and it was confirmed that it had good reliability.
- Example 25 A composite aspherical lens was prepared in the same manner as in Example 23, except that high refractive index glass (trade name “S-LAH79”, refractive index of about 2.0) manufactured by OHARA INC. Was used as the base material. did.
- high refractive index glass trade name “S-LAH79”, refractive index of about 2.0
- FIG. 11 is a cross-sectional view showing an embodiment of the camera module of the present invention.
- the camera module 20 has four aspherical lenses 22 to 24 as described above, and can be used as a 2 to 5 megapixel camera module for mobile phones.
- the aspheric lenses of Example 25 are used for the aspheric lenses 21 to 24. Since the aspherical lens of Example 25 uses the high refractive index base material having a refractive index of about 2.0 as described above, the focal length can be shortened. For this reason, the height of the camera module of this embodiment can be about 8 mm.
- a glass-molded aspheric lens obtained by heating a glass to a high temperature and molding it with a mold is also used from the viewpoint of low expansion and reliability.
- glass-molded aspherical lenses are limited in the glass materials that can be molded and their refractive index is about 1.8. For this reason, the height of conventional camera modules is about 10 mm.
- FIG. 12 is a cross-sectional view showing a two-fold type mobile phone in which a conventional camera module having a height of 10 mm is arranged.
- the height H in the folded state shown in FIGS. 12 (a) and (b) is 25 mm.
- the height h of the upper part and the height h of the lower part are 12.5 respectively. mm and the same height.
- a camera module 20 is provided, and a TV tuner 31, a hard disk drive 32, a display 33, and the like are incorporated.
- FIG. 12A since the height h of the upper part is as low as 5 mm, the presence of the camera module 20 becomes an obstacle and a small display 33 is provided.
- a keyboard 34 and a battery 35 are incorporated in the lower part.
- the height h of the upper part is 5 mm, and the height h of the lower part is lO. 5 mm. Since the height h of the upper part is designed to be high,
- a display 33 can be arranged.
- the height of the lower part is h force 5mm
- FIG. 13 is a cross-sectional view showing a mobile phone according to an embodiment of the present invention.
- the camera module 20 of the present invention is incorporated. Since the height of the camera module 20 of the present invention can be reduced to about 8 mm, for example, as shown in FIG.
- the height h of the lower part that does not need to be increased can be set to 12.5 mm, the same as the height h of the upper part.
- the camera module 20 can be arranged at the upper part and the lower part, respectively. For this reason, it is possible to shoot stereoscopic images, and it is also possible to shoot one's face with high image quality. Furthermore, applications such as panoramic photography using a plurality of cameras, and substantially increasing the sensitivity by electrically synthesizing the output signals of the plurality of cameras become possible.
- the camera module shown in FIG. 11 can also be used as a camera module for an in-vehicle back monitor.
- In-vehicle camera modules require high heat resistance, and the aspherical lens of Example 25 can be used.
- the aspheric lens of Example 25 has a high refractive index, the viewing angle can be widened.
- the organometallic polymer material of the present invention is a highly reliable material as shown in Example 12, it is used for wiring in a substrate and wiring between substrates of various electronic devices. It can also be applied to optical waveguide devices.
- FIG. 14 is a cross-sectional view showing an embodiment of the optical waveguide of the present invention.
- a clad layer 42 is provided on a glass substrate 43, and a core layer 41 is formed in the clad layer 42.
- the height of the core layer 41 is about 70 m, and the distance between the core layers 41 is about 500 m.
- a clad layer 42 having a thickness of about 100 m exists above the core layer 41, and a clad layer 42 having a thickness of about 100 m exists also below the core layer 41.
- the ratio of MPTES to DPh DMS and the amount of benzyl methacrylate were added to adjust the refractive index of the solid after photocuring.
- the core layer 41 is formed using a material adjusted so as to be about 1.53.
- the clad layer 42 is formed using a material adjusted to have a refractive index of about 1.51.
- the cross section of the core layer 41 is about 70 m square.
- As the glass substrate 43 a Tempax glass substrate having a thickness of 1 mm is used!
- FIG. 15 (a) is a diagram showing an optical waveguide having a structure in which both sides of the core layer 41 and the clad layer 42 shown in FIG. 14 are sandwiched between 70 ⁇ m-thick polyimide films 44, which are flexible substrates. Is
- FIG. 15B is a cross-sectional view showing an optical waveguide in which the mold layer 45 is formed by molding the periphery of the clad layer 42 with polyimide so as to have a thickness of 70 ⁇ m.
- FIG. 16 is a cross-sectional view showing another embodiment of the optical waveguide according to the present invention.
- a power copper wiring 46 having a diameter of 150 mm is provided on the side of the core layer 41.
- Both sides of the clad layer 42 are sandwiched between 70 m thick polyimide films 44 which are flexible substrates!
- power copper wiring 46 is arranged in the upper polyimide film 44.
- the optical waveguide of the present invention may be provided with power wiring.
- the power copper wiring 46 has a rectangular cross-sectional shape! /.
- FIG. 17 is a schematic cross-sectional view showing a liquid crystal projector.
- An illumination optical system 52 is provided on the light source 53, and the illumination optical system 52 includes lenses 52a and 52b.
- the light emitted from the light source 53 strikes the half mirror 54, and the light transmitted through the half mirror 54 is reflected by the mirror 58 and enters the cross prism 59 through the lens 60 and the liquid crystal panel 63.
- the light reflected by the half mirror 54 is irradiated to the half mirror 55, and the light reflected by the half mirror 55 enters the cross prism 59 through the lens 61 and the liquid crystal panel 64.
- the light transmitted through the half mirror 55 is reflected by the mirror 56, further reflected by the mirror 57, passes through the lens 62 and the liquid crystal panel 64, and enters the cross prism 59.
- the liquid crystal panel 65 is a liquid crystal panel for red (R)
- the liquid crystal panel 64 is a liquid crystal panel for green (G)
- the liquid crystal panel 63 is a liquid crystal panel for blue (B).
- the light that has passed through these liquid crystal panels is synthesized by the cross prism 59, passes through the projection optical system 51, and is emitted to the outside.
- the projection optical system 51 includes lenses 51a, 51b, and 51c.
- the light source 53 is composed of, for example, a metal halide lamp, a mercury lamp, an LED, or the like.
- the light source 53 is a heat generation source, conventionally, the lenses 51a to 51c of the projection optical system 51 had to be separated from the light source 53 by a certain distance.
- the optical component of the present invention is an organic metal having good heat resistance as described above.
- a polymer material force is also formed, so it can be placed near the light source 53.
- FIG. 18 is a schematic cross-sectional view showing an embodiment of a liquid crystal projector according to the present invention.
- the lens of Example 25 is used as the lenses 51a to 51c of the projection optical system 51.
- the position of the light source 53 can be arranged close to the projection optical system 51.
- the liquid crystal projector 50 can be reduced in size.
- the light emitted from the light source 53 passes through the illumination optical system 52 and is irradiated onto the half mirror 54, and the light reflected by the half mirror 54 includes the lens 60 and the liquid crystal panel 63. And enter the cross prism 59.
- the light transmitted through the half mirror 54 is reflected by the mirror 58 and travels toward the half mirror 55.
- the light reflected by the half mirror 55 passes through the lens 61 and the liquid crystal panel 64 and enters the cross prism 59.
- the light transmitted through the half mirror 55 is reflected by the mirror 56, further reflected by the mirror 57, passes through the lens 62 and the liquid crystal panel 65, and enters the cross prism 59.
- the light transmitted through the liquid crystal panels 63, 64 and 65 is synthesized by the cross prism 59, and is emitted to the outside through the projection optical system 51.
- the liquid crystal projector shown in FIGS. 17 and 18 is a single-plate transmissive projector using a single liquid crystal panel that combines force RGB, which is a three-plate transmissive projector that displays RGB on an independent liquid crystal panel. However, the same effect can be obtained.
- a white LED is used as the light source 53 in order to further reduce the size.
- the light emitted from the light source 53 passes through the illumination optical system 52, passes through the lens 60, the liquid crystal panel 63, and further passes through the projection optical system 51 and is emitted to the outside.
- the light source 53 to the projection optical system 51 can be arranged on a straight line.
- the focal length can be shortened by using the lens of Example 25 for the lenses 51a, 51b and 51c of the projection optical system 51, the overall length of the liquid crystal projector can be shortened.
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Abstract
Description
Claims
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CN2005800139780A CN1950414B (zh) | 2004-12-01 | 2005-11-30 | 有机金属聚合物材料 |
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Also Published As
Publication number | Publication date |
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CN1950414B (zh) | 2010-05-05 |
JPWO2006059652A1 (ja) | 2008-06-05 |
US7457507B2 (en) | 2008-11-25 |
CN1950414A (zh) | 2007-04-18 |
JP4912146B2 (ja) | 2012-04-11 |
US20080232762A1 (en) | 2008-09-25 |
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