WO1999038035A1 - Procede de fabrication d'une mini-lentille plate et mince; mini-lentille ainsi produite - Google Patents
Procede de fabrication d'une mini-lentille plate et mince; mini-lentille ainsi produite Download PDFInfo
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- WO1999038035A1 WO1999038035A1 PCT/JP1998/000264 JP9800264W WO9938035A1 WO 1999038035 A1 WO1999038035 A1 WO 1999038035A1 JP 9800264 W JP9800264 W JP 9800264W WO 9938035 A1 WO9938035 A1 WO 9938035A1
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- WIPO (PCT)
- Prior art keywords
- resin material
- index resin
- refractive
- glass substrate
- low
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/38—Esters containing sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00365—Production of microlenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0073—Optical laminates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F28/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur
- C08F28/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur by a bond to sulfur
-
- 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
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0025—Machining, e.g. grinding, polishing, diamond turning, manufacturing of mould parts
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
- G02B3/0068—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between arranged in a single integral body or plate, e.g. laminates or hybrid structures with other optical elements
Definitions
- the present invention relates to a method for manufacturing a flat microlens for use in a liquid crystal display device and the like, and a flat macro lens having a characteristic lens material.
- Liquid crystal display elements are used in projector television (PTV).
- PTV projector television
- liquid crystal is injected into a gap formed between two glass plates, and a TFT made of amorphous silicon-polysilicon is placed on the surface of each glass plate in contact with the liquid crystal, corresponding to each pixel.
- TFT Thin film transistor
- irradiation light is applied to the liquid crystal display element from a xenon lamp, a metal halide lamp, or the like, and is transmitted through the pixel opening of the liquid crystal display element to the emission side to be transmitted to the liquid crystal display element.
- the formed image is projected on a screen via a projection lens.
- the above-mentioned irradiation light is condensed on the pixel opening to increase the ratio of irradiation light transmitted through the liquid crystal display element, and to illuminate the projected image, the irradiation of the two glass substrates constituting the liquid crystal display element is performed.
- a flat-type microphone aperture lens is bonded to a glass substrate on which light is incident so that irradiation light is focused on a pixel opening.
- a photosensitive film is formed on the substrate surface, and then, as shown in FIG. 20 (b), the photosensitive film is irradiated with an electron beam to form a lens portion to form a micro lens array. Make a master.
- the surface of the microlens array master was electroplated. Therefore, nickel or the like is laminated, and the laminated body is peeled off from the microlens array master to produce a stamper (inverted type) as shown in FIG.
- the ultraviolet curing resin is poured into the recess of the stamper, and as shown in FIG. 7 (f), the resin is pressed against the transparent substrate to expand the ultraviolet curing resin.
- the ultraviolet-curable resin is cured as shown in (g), and then the cured ultraviolet-curable resin is peeled off from the stamper together with the transparent substrate as shown in FIG.
- a cover glass is attached to the surface of the peeled transparent substrate on which the lens portion is formed with the ultraviolet-curable resin, and a low-refractive-index adhesive resin is poured and bonded between the two to form a flat microlens.
- the flat microlens to be incorporated in the liquid crystal display device is preferably a dense one in which a large number of lens portions are tightly packed in a plan view, but a dense microphone aperture lens array is formed by the above-described conventional manufacturing method. Difficult to manufacture.
- the forming step is performed under heating.
- the resin material constituting the lens portion and the adhesive layer must not cause thermal decomposition or deformation, and further, decrease in transparency, and is disclosed in JP-A-7-225303. Describes various commercially available heat-resistant resins having a temperature of 150 ° C. or higher.
- the heat-resistant resin having a heat resistance of 150 ° C or more alone cannot be discolored (yellowing), peeled, Cracks, fogging, etc. are likely to occur and are insufficient, and heat resistance of at least 180 ° C. or more is particularly required for a high refractive index resin material constituting a lens portion. Disclosure of the invention
- the present invention has been made to solve the above-mentioned problems of the conventional technology,
- the first objective of the method of manufacturing a flat microlens is to make a minute lens portion on the surface of a glass substrate with high accuracy, and the second objective is to provide a flat microlens with excellent heat resistance.
- a method for manufacturing a flat-type microphone aperture lens according to claims 1 to 3 of the present application comprises: a resin material having a high refractive index in a region sandwiched between the first and second glass substrates; And a low-refractive-index resin material, and the interface between these two types of resin materials is a method of manufacturing a flat-type microphone aperture lens in which microspheres or microcylindrical surfaces are arranged one-dimensionally or two-dimensionally. Based on this premise, the method for manufacturing a flat-type microphone aperture lens according to claim 1 includes the following first to sixth steps.
- a mold release agent is applied to the surface of a glass substrate which is formed in the second step and has fine concave portions arranged in a dense manner, and a photocurable or thermosetting high refractive index resin is applied thereon.
- the step of applying the material is applied to the surface of a glass substrate which is formed in the second step and has fine concave portions arranged in a dense manner, and a photocurable or thermosetting high refractive index resin is applied thereon.
- the high-refractive-index resin material cured in the fourth step and the first glass substrate are peeled off from the glass substrate serving as a mold, and a low-refractive-index resin material layer on the first glass substrate is removed.
- Step 6 A step of stacking a second glass substrate on the low refractive index resin material applied in the fifth step, developing the low refractive index resin material, and then curing the low refractive index resin material.
- a method of manufacturing a flat microlens according to a second aspect includes the following first to seventh steps.
- the low-refractive-index resin material cured in the fifth step and the second glass substrate are separated from the inversion mold, and a high-refractive-index resin material is placed on the cured low-refractive-index resin material layer on the second glass substrate.
- the step of applying is a high-refractive-index resin material placed on the cured low-refractive-index resin material layer on the second glass substrate.
- the method for manufacturing a flat microlens according to claim 3 includes the following first step It consists of the eighth step.
- wet etching is again performed on the surface of the glass substrate, which is a mold on which a large number of minute recesses are formed, without passing through a mask, so that the minute recesses are densely arranged.
- the high-refractive-index resin material cured in the sixth step and the first glass substrate are separated from the second inversion mold, and the low-refractive-index resin is placed on the cured high-refractive-index resin material layer on the first glass substrate.
- a step of applying a resin material is applied.
- the flat plate type according to claims 4 to 12 for achieving the second object In the microlens, a high-refractive-index resin material and a low-refractive-index resin material are laminated in a region sandwiched between two glass substrates, and a boundary surface between the two types of resin materials is a minute spherical surface or a minute cylindrical surface.
- the high refractive index resin material is a resin having a thiol bond (R--S--H) or a sulfide bond (R--S-- R ') or a resin represented by the general formula (R'-S-R-S-RSR *).
- S is io
- H is hydrogen
- R is any of cyclic unsaturated hydrocarbon, cyclic saturated hydrocarbon, linear unsaturated hydrocarbon, linear saturated hydrocarbon
- R ' is acryloyl group, methacryloyl group
- It is any one of organic compounds having an epoxy group, an isocyanate group, an amino group, an acyl group, a carboxyl group, an alkoxyl group, and a vinyl group.
- C The main agent constituting the high refractive index resin material is as follows. A polymer starting from a monomer having a structural formula represented by any of formulas (1) to (4) is suitable.
- CH 2 C—C or S—CH 2 CH 2 n NCO
- X represents a hydrogen atom or a methyl group
- n is an integer of 0 to 2
- Y is one R 2 — s— R 2 — or one R Hiro SR 2 Z m R 2 -S—R 2 — (where R 2 is
- Z represents an alkylene group, and Z represents an oxygen atom or a sulfur atom.
- m represents an integer of 0 to 3)
- the low-refractive-index resin material to be laminated with the high-refractive-index resin material for example, any one of a fluorine-based resin, an acryl-based resin, and an epoxy-based resin is suitable.
- the interface between any one of the glass substrate and the high-refractive-index resin material, the interface between the glass substrate and the low-refractive-index resin material, and the interface between the high-refractive-index resin material and the low-refractive-index resin material is bonded by a force coupling agent.
- coloring (yellowing) due to intrusion of oxygen into the interface can be effectively prevented.
- the coupling agent include ⁇ -glycidopropyltrimethoxysilane or ⁇ -mercaptopropyltrimethoxysilane.
- the high refractive index resin material can contain a thiol-based curing agent.
- the oxide in the main agent is reduced by the thiol, and impurities that should be oxidized to be colored are reduced in the presence of thiol. For this reason, it is possible to prevent the coloring of the high refractive index resin.
- thiol-based curing agent examples include penyl erythritol tetrakisthiopropionate represented by the following (Chemical Formula 10) or trihydroxyxethyl isocynate / 3 mercapto represented by the following (Chemical Formula 11). And propionic acid. (Formula 10)
- the high refractive index resin material may contain a curing accelerator in addition to the thiol-based curing agent.
- a curing accelerator examples include dibutyltin dilaurate represented by the following (Chemical formula 12).
- the glass substrate constituting the flat microlens is not particularly limited, and examples thereof include quartz glass, low expansion crystallized glass, and borosilicate glass.
- Examples of the low expansion crystallized glass substrate include Neoceram (registered trademark) manufactured by NEC Corporation (66Si0 2 '22Al 2 0 3 ' 4Li0 2 '2Zr0 2 ' 2Ti0 2 ); Baiko one Le (96S i0 2 '3B 2 0 3' lAl 2 0 3) can be used.
- composition examples of the borosilicate glass those listed below are preferable.
- Si0 2 45 wt% to 75 wt% or less
- MO is a divalent metal other than Ba: 10% by weight or more and 30% by weight or less
- R 20 (R is a monovalent metal): 10% by weight or less
- Si0 2 45 wt% to 75 wt% or less
- MO is a divalent metal other than Ba: 10% by weight or more and 30% by weight or less
- R 20 (R is a monovalent metal): 10% by weight or less
- Si0 2 45 wt% to 75 wt% or less
- BaO 4.2% by weight or more and 14% by weight or less
- MO is a divalent metal other than Ba: 10% by weight or more and 30% by weight or less
- R 20 (R is a monovalent metal): 1% by weight or less
- FIG. 1 is a diagram showing a manufacturing process of a flat-type microphone aperture lens according to the present invention
- Figure 2 is a diagram showing the manufacturing process of the flat-type microphone aperture lens
- FIG. 3 (a) is a diagram showing the manufacturing process of the flat plate type microlens, (b) is a plan view of (a),
- Fig. 4 is a diagram showing the manufacturing process of the flat type microphone aperture lens.
- FIG. 5 is a diagram showing a manufacturing process of the plate-type microlens
- FIG. 6 is a diagram showing a manufacturing process of the flat plate type microlens
- FIG. 7 is a diagram showing a manufacturing process of the flat plate type micro lens
- FIG. 8 is a diagram showing a manufacturing process of the flat-type microphone aperture lens.
- FIG. 9 is a cross-sectional view of a flat-type microphone aperture lens according to the present invention.
- FIG. 10 is a diagram showing another embodiment of the manufacturing process of the flat microlens according to the present invention
- FIG. 11 is a diagram showing another embodiment of the manufacturing process of the flat microphone lens
- FIG. 12 is a diagram showing another embodiment of the manufacturing process of the same flat anti-micro lens.
- FIG. 13 is a diagram showing another embodiment of the manufacturing process of the flat plate type micro lens
- FIG. 14 is a diagram showing another embodiment of the manufacturing process of the flat plate type micro lens.
- FIG. 15 is a diagram showing another embodiment of the manufacturing process of the flat plate type micro lens
- FIG. 16 is a diagram showing another embodiment of the manufacturing process of the flat type microphone aperture lens.
- FIG. 17 is a diagram showing another embodiment of the manufacturing process of the flat plate type micro lens.
- FIG. 18 is a diagram showing another embodiment of the manufacturing process of the flat plate type microphone aperture lens
- FIG. 19 is a view showing another embodiment of the manufacturing process of the flat plate type micro lens.
- FIG. 20 is a diagram showing a manufacturing process of a conventional flat microlens.
- 1 is a glass substrate to be a molding die
- 2 is a mask
- 3 is a concave portion
- 4 is a release agent layer
- 5 is a high refractive index resin material
- 6 is a first glass substrate
- 7 is a low refractive index resin.
- 8 is the second glass substrate
- 11 is the inverted type (first inverted type)
- 12 is the second inverted type.
- FIGS. 1 to 9 are views showing a manufacturing process of the flat-type microphone aperture lens according to the first embodiment.
- a mask 2 having a large number of small holes 2a is superimposed on the surface of a substrate 1, and the surface covered with the mask 2 is immersed in an HF (hydrogen fluoride) -based etchant to perform wet etching.
- HF hydrogen fluoride
- a substantially hemispherical concave portion 3 is formed one-dimensionally or two-dimensionally at a portion corresponding to the small hole 2a as shown in FIG.
- the recess 3 may be a groove having a semicircular cross section. In this case, a lenticular lens is formed.
- the mask 2 is removed, and the surface on which the concave portion 3 is formed is wet-etched again.
- C This etching reduces the thickness of the glass substrate 1 serving as a mold as shown in FIG.
- the surface including 3 is uniformly etched, and the hemispherical concave portion is flat, and as shown in FIG. 3 (b), the concave portion has a dense shape with no gaps when viewed in plan.
- FIG. 3 (b) shows a dense state in a honeycomb shape (hexagon), it can be made dense in a quadrilateral shape by arranging the concave portions 3.
- a release agent layer 4 made of a fluorine-based or silicone-based material is formed on the surface of the glass substrate 1 on which the concave portions are densely arranged by the above-described etching.
- the release agent layer 4 may be formed by, for example, spin coating, diving, adsorbing the material as a vapor on the surface of the glass substrate, or immersing the material in a solution in which the material is dissolved and adsorbing the material on the surface. Is applied to the surface of the glass substrate 1 and then fired.
- a photo-curable or thermo-curable high refractive index resin material 5 is applied to the surface on which the release agent layer 4 is formed, and further, as shown in FIG. Is pressed from above the high refractive index resin material 5 to expand the high refractive index resin material 5.
- the high refractive index resin material 5 is cured by irradiating or heating with ultraviolet rays, and the first glass The substrate 6 and the high refractive index resin material 5 cured into a convex lens shape are separated from the glass substrate 1 as shown in FIG.
- a photocurable or thermosetting low refractive index resin material 7 is applied on the high refractive index resin material 5 cured into a convex lens shape.
- This low-refractive-index resin material 7 functions as an adhesive.
- the second glass substrate 8 is pressed from above the low-refractive-index resin material ⁇ , and the low-refractive-index resin material 7 is developed and hardened. Then, the second glass substrate 8 is polished as required to obtain a predetermined thickness, thereby completing a flat plate type microlens.
- a film of force coupling agent should be formed on the interface between the high-refractive-index resin material 5 and the low-refractive-index resin material 7 and on the interface between the low-refractive-index resin material 7 and the second glass substrate 8. Is preferred.
- FIGS. 10 to 14 are diagrams showing the steps of manufacturing the flat microlens according to the second embodiment.
- the steps up to forming the dense concave portion on the surface of the glass substrate 1 are the same. The description is omitted because it is the same as the first harmful example.
- the surface shape of the glass substrate 1 in which the concave portions are densely arranged is transferred to an inverted mold 11 made of nickel or the like by an electrode or the like.
- a release agent coating similar to that of the first embodiment is applied.
- a photo-curable or thermo-curable low refractive index resin material 7 is applied on the inversion mold 11, and as shown in FIG.
- a second glass substrate 8 is placed on top of the low refractive index resin material 7 after the low refractive index resin material 7 is developed, and then the cured low refractive index resin material 7 and the second glass are cured.
- the substrate 8 was peeled off from the inverted mold 11, and a high-refractive-index resin material 5 was applied on the cured low-refractive-index resin material 7, as shown in FIG. 13, and further, as shown in FIG. 14.
- the first glass substrate 6 may be overlaid on the high-refractive-index resin material 5, the high-refractive-index resin material 5 may be developed, and then the high-refractive-index resin material 5 may be cured.
- FIGS. 15 to 19 show the manufacturing process of the flat-type microphone aperture lens according to the third embodiment.
- the steps up to the formation of the dense concave portion on the surface of the glass substrate 1 are the same as those in the first embodiment, and a description thereof will be omitted.
- the surface shape of the first inversion mold 11 made of nickel or the like is transferred to the second inversion mold 12 made of nickel or the like as shown in FIG.
- the same release agent coating as in the invention is applied.
- a photocurable or thermosetting high-refractive-index resin material 5 is applied on the second inversion mold 12, and then, as shown in FIG.
- the high refractive index resin material 6 is cured, and the first glass substrate 6 and the high refractive index resin material cured in a convex lens shape 5 is peeled off from the second reversing mold 12 as shown in FIG. 17, and then, as shown in FIG.
- Low refractive index resin material 7 was applied, and as shown in Fig. 19, the second glass substrate 8 was pressed from above the low refractive index resin material ⁇ to develop the low refractive index resin material 7 After curing.
- such a microphone aperture lens has an extremely fine unevenness of about 10 / m to several 10 ⁇ m, but if the release agent is applied at an appropriate concentration, it can be in the submicron order. A release agent film with a uniform thickness is possible, and the fine irregularities of the original plate to be produced can be accurately transferred by glass etching.
- the release agent film is partially peeled off after repeated use and the release property is reduced, If necessary, the mold release agent on the mold surface can be washed away, and the mold release agent can be applied again, which is convenient.
- the effect of the invention described in claim 1 is that the step of transferring to the Ni stamper becomes unnecessary, there is no risk of shape change or defect addition in the stamper manufacturing process, and the glass original plate is more effective than the Ni stamper. It is cheap.
- a high-refractive-index resin material and a low-refractive-index resin material are laminated in a region sandwiched between two glass substrates, and a boundary between these two types of resin materials is provided.
- the surface is a high temperature of 180 ° C or higher by using a specific material as the high refractive index resin material of the flat-type microphone aperture lens in which microspheres or microcylindrical surfaces are arranged one-dimensionally or two-dimensionally.
- the lens portion can be prevented from being deformed even when exposed to the lens, and a flat-type microphone aperture lens maintaining transparency can be obtained.
- the flat microlens manufacturing method and the flat microlens according to the present invention can contribute to the manufacture of a liquid crystal display device incorporated in a projector television (PTV).
- PTV projector television
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Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP19193696A JP3335082B2 (ja) | 1996-07-22 | 1996-07-22 | 平板型マイクロレンズ |
PCT/JP1998/000264 WO1999038035A1 (fr) | 1996-07-22 | 1998-01-23 | Procede de fabrication d'une mini-lentille plate et mince; mini-lentille ainsi produite |
US09/600,525 US6437918B1 (en) | 1996-07-22 | 1998-01-23 | Method of manufacturing flat plate microlens and flat plate microlens |
EP98900713A EP1054270A4 (en) | 1996-07-22 | 1998-01-23 | METHOD FOR PRODUCING A FLAT PLATE MICRO LENS AND A FLAT PLATE MICROL LENS |
AU55765/98A AU5576598A (en) | 1998-01-23 | 1998-01-23 | Method of manufacturing flat plate microlens and flat plate microlens |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19193696A JP3335082B2 (ja) | 1996-07-22 | 1996-07-22 | 平板型マイクロレンズ |
PCT/JP1998/000264 WO1999038035A1 (fr) | 1996-07-22 | 1998-01-23 | Procede de fabrication d'une mini-lentille plate et mince; mini-lentille ainsi produite |
Publications (1)
Publication Number | Publication Date |
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WO1999038035A1 true WO1999038035A1 (fr) | 1999-07-29 |
Family
ID=26439129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1998/000264 WO1999038035A1 (fr) | 1996-07-22 | 1998-01-23 | Procede de fabrication d'une mini-lentille plate et mince; mini-lentille ainsi produite |
Country Status (3)
Country | Link |
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US (1) | US6437918B1 (ja) |
EP (1) | EP1054270A4 (ja) |
WO (1) | WO1999038035A1 (ja) |
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JP2001166167A (ja) * | 1999-12-10 | 2001-06-22 | Toppan Printing Co Ltd | 光配線層及びその製造方法並びに光・電気配線基板及びその製造法並びに実装基板 |
WO2003050573A1 (en) * | 2001-12-06 | 2003-06-19 | Ball Semiconductor, Inc. | Microlens array fabrication |
EP1151796A3 (en) * | 2000-04-27 | 2004-03-31 | Sony Corporation | Immersion lens, optical system incorporating same, method of production of same, and mold for production of same |
WO2008090640A1 (ja) | 2007-01-23 | 2008-07-31 | Fujifilm Corporation | オキシム化合物、感光性組成物、カラーフィルタ及びその製造方法、並びに液晶表示素子 |
WO2008138732A1 (en) | 2007-05-11 | 2008-11-20 | Basf Se | Oxime ester photoinitiators |
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WO2013083505A1 (en) | 2011-12-07 | 2013-06-13 | Basf Se | Oxime ester photoinitiators |
WO2013167515A1 (en) | 2012-05-09 | 2013-11-14 | Basf Se | Oxime ester photoinitiators |
WO2015004565A1 (en) | 2013-07-08 | 2015-01-15 | Basf Se | Oxime ester photoinitiators |
WO2015036910A1 (en) | 2013-09-10 | 2015-03-19 | Basf Se | Oxime ester photoinitiators |
US9051397B2 (en) | 2010-10-05 | 2015-06-09 | Basf Se | Oxime ester |
TWI666470B (zh) * | 2017-07-06 | 2019-07-21 | 奇景光電股份有限公司 | 用於製造高垂度透鏡陣列的方法 |
WO2020152120A1 (en) | 2019-01-23 | 2020-07-30 | Basf Se | Oxime ester photoinitiators having a special aroyl chromophore |
WO2021175855A1 (en) | 2020-03-04 | 2021-09-10 | Basf Se | Oxime ester photoinitiators |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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EP1054270A4 (en) | 2004-07-28 |
EP1054270A1 (en) | 2000-11-22 |
US6437918B1 (en) | 2002-08-20 |
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