WO2016107040A1 - 一种线栅偏振片及其制作方法、显示装置 - Google Patents
一种线栅偏振片及其制作方法、显示装置 Download PDFInfo
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- WO2016107040A1 WO2016107040A1 PCT/CN2015/078474 CN2015078474W WO2016107040A1 WO 2016107040 A1 WO2016107040 A1 WO 2016107040A1 CN 2015078474 W CN2015078474 W CN 2015078474W WO 2016107040 A1 WO2016107040 A1 WO 2016107040A1
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- WIPO (PCT)
- Prior art keywords
- protrusion
- wire grid
- polarizing plate
- polymer monomer
- substrate
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
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- 239000010949 copper Substances 0.000 claims description 6
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 5
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims description 5
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
-
- 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
- B29D11/00634—Production of filters
- B29D11/00644—Production of filters polarizing
-
- 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
- G02F1/133528—Polarisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/04—Polymers of esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
Definitions
- the present invention relates to a wire grid polarizing plate, a method of fabricating the same, and a display device including the wire grid polarizing plate.
- TFT-LCD Thin Film Transistor Liquid Crystal Display
- the ground is used in the field of high performance display.
- the TFT-LCD is composed of an array substrate 10 and a color filter substrate 11.
- a liquid crystal layer 12 is provided between the array substrate 10 and the color filter substrate 11.
- a first polarizing plate 13 is provided on the upper surface of the color filter substrate 11, and a second polarizing plate 15 is disposed between the array substrate 10 and the backlight module 14.
- the first polarizing plate 13 is perpendicular to the optical axis of the second polarizing plate 15.
- the alignment direction of the liquid crystal molecules in the liquid crystal layer 12 is changed, so that the incident light cannot be penetrated. Thereby, the intensity of the light can be controlled, and the color image display can be realized under the filtering effect of the color filter substrate 11.
- the polarizing plate (the first polarizing plate 13 and the second polarizing plate 15) may be formed of a polyvinyl alcohol (PVA) film.
- PVA polyvinyl alcohol
- a wire grid polarizing plate 20 made of a metal material is also provided in the prior art, as shown in Fig. 1b.
- the light of the electric field vector component vibrating in parallel with the wire grid is almost completely reflected, and the electric field vector component perpendicular to the wire grid is Light is almost completely transmitted. Further, the light reflected by the wire grid polarizing plate 20 can be reused. Therefore, the utilization of light has been effectively improved.
- the prior art in the process of fabricating the above-mentioned wire grid polarizing plate 20, it is necessary to utilize metal.
- the target material is formed on the substrate by a method requiring evaporation magnetron sputtering, and thus the target material is consumed in a large amount. Therefore, the prior art production and production costs are high.
- Embodiments of the present invention provide a wire grid polarizing plate, a manufacturing method thereof, and a display device, which can solve the problem of high production cost in the manufacturing process of a wire grid polarizing plate.
- a wire grid polarizing plate comprising:
- first protrusion disposed at an interval on a surface of the base substrate; the first protrusion being composed of a first resin material
- the second protrusion disposed on the surface of the base substrate; the second protrusion is composed of a second resin material doped with metal particles; the second protrusion constitutes a wire grid pattern;
- the second protrusion covers at least one polarizing surface of the first protrusion, and the polarizing surface is at least one of an upper surface of the first protrusion and a side surface parallel to a direction in which the wire grid is arranged.
- each of the second protrusions covers at least one of the first raised surfaces.
- An aspect of an embodiment of the present invention provides a method for fabricating the above wire grid polarizing plate, including:
- a wire grid polarizing plate including:
- first protrusion disposed at an interval on a surface of the base substrate; the first protrusion being composed of a first resin material
- the second protrusion being composed of a second resin material doped with metal particles
- the second protrusion covers at least one polarizing surface of the first protrusion, and the polarizing surface is at least one of an upper surface of the first protrusion and a side surface parallel to a direction in which the wire grid is arranged.
- each of the second protrusions covers at least one polarizing surface of one of the first protrusions.
- a display device comprising any of the wire grid polarizing plates described above is provided.
- Embodiments of the present invention provide a wire grid polarizing plate, a manufacturing method thereof, and a display device.
- the method of fabricating the wire grid polarizer comprises first coating a surface of a base substrate with a first polymer monomer. Then, the first polymer monomer corresponding to the first preset position (ie, corresponding to the first protrusion) is subjected to a curing process; before or after this step, the removal of the first preset position does not occur. The cured first polymer monomer forms a pattern of spaced apart first protrusions on the surface of the base substrate. Next, a mixture of the second polymer monomer and the metal particles is coated on the surface of the substrate on which the first protrusion is formed.
- the mixture corresponding to the second predetermined position is subjected to a curing treatment.
- the mixture that is not subjected to the curing treatment other than the second predetermined position ie, the second protrusion
- the second protrusion covers at least one of the polarizing surfaces of the first protrusion.
- each of the second protrusions covers at least one of the first raised surfaces.
- the second protrusion has metal particles therein, so that the incident light can be polarized by utilizing the oscillation characteristics of the free electrons in the metal particles, thereby forming a wire grid polarizing plate having reflection characteristics;
- the first polymer monomer and the second polymer monomer are generally a resin material, the consumption of the metal material can be reduced in the process of fabricating the wire grid polarizing plate, and the resin material is relative to the metal target, The cost of the material is lower, so the production cost can be reduced.
- 1a is a schematic structural view of a display device provided by the prior art
- 1b is a schematic structural view of a wire grid polarizing plate provided by the prior art
- FIG. 2 is a flow chart of a method for fabricating a wire grid polarizing plate according to an embodiment of the present invention
- FIG. 3 is a flow chart of another method for fabricating a wire grid polarizing plate according to an embodiment of the present invention.
- 4a-4f are schematic structural views of a manufacturing process of fabricating a wire grid polarizing plate according to an embodiment of the present invention
- 4g is a schematic perspective view of a first protrusion according to an embodiment of the present invention.
- FIG. 5 is a flowchart of still another method for fabricating a wire grid polarizing plate according to an embodiment of the present invention
- FIG. 6 is a schematic structural diagram of another process for fabricating a wire grid polarizing plate according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of another process for fabricating a wire grid polarizing plate according to an embodiment of the present invention.
- the embodiment of the invention provides a method for fabricating a wire grid polarizing plate, as shown in FIG. 2, which may include:
- a first polymer monomer 101 is coated on the surface of the base substrate 01.
- the material constituting the base substrate 01 may include at least one of glass and quartz.
- the material constituting the base substrate 01 may include at least one of polyethylene terephthalate (PET) and cellulose triacetate (TAC).
- PET polyethylene terephthalate
- TAC cellulose triacetate
- the second protrusion 111 covers at least one of the polarizing surfaces E of the first protrusions 110. In some embodiments, each of the second protrusions 111 covers at least one of the polarizing surfaces E of one of the first protrusions 110.
- the polarizing surface E as shown in FIG. 4g, may be the upper surface E1 of the first protrusion 110 or the side surface E2 parallel to the line arrangement direction X (or in the gate arrangement direction X).
- Embodiments of the present invention provide a method for fabricating the above wire grid polarizing plate, comprising: first, coating a surface of a base substrate with a first polymer monomer. Then, the first polymer monomer corresponding to the first preset position (ie, corresponding to the first protrusion) is subjected to a curing process; before or after this step, the first preset position may be removed (ie, corresponding The first polymer monomer that does not solidify outside the first bumps is formed, thereby forming a pattern of spaced apart first bumps on the surface of the base substrate. Next, a mixture of the second polymer monomer and the metal particles is coated on the surface of the substrate on which the first protrusion is formed.
- the mixture corresponding to the second predetermined position ie, corresponding to the second protrusion
- the mixture which is not subjected to the curing treatment other than the second predetermined position may be removed before or after this step to form a second protrusion which is disposed at intervals on the surface of the base substrate A wire grid pattern is formed.
- the second protrusion covers at least one of the polarizing surfaces of the first protrusion.
- each of the second protrusions covers at least one of the first raised surfaces.
- the second protrusion has metal particles therein, so that the incident light can be polarized by utilizing the oscillation characteristics of the free electrons in the metal particles, thereby forming a wire grid polarizing plate having reflection characteristics;
- the first polymer monomer and the second polymer monomer are generally a resin material, the consumption of the metal material can be reduced in the process of fabricating the wire grid polarizing plate, and the resin material is relative to the metal target, The cost of the material is lower, so the production cost can be reduced.
- the material constituting the first polymer monomer 101 or the second polymer monomer 102 may include an acrylic monomer, such as methyl acrylate, ethyl acrylate, and propyl acetate. At least one of n-butyl acrylate and methyl methacrylate or n-butyl methacrylate.
- the curing treatment in the embodiment of the present invention may mean that the material of the first polymer monomer 101 or the second polymer monomer 102 occurs under the action of heat, pressure, curing agent or ultraviolet light.
- a linear bond is formed between molecules of a linear type, so that the linear molecules are connected to each other to form a network structure, and finally cross-linking and solidifying into an insoluble and infusible substance.
- an acrylic polymer can be formed.
- the metal particles 103 refer to nano-sized metal particles, and may be composed of one or more of iron simple substance, copper simple substance, and aluminum simple substance. Since aluminum metal has strong electrical conductivity, metal aluminum contains more free electrons. In the wire grid polarizing plate of the present invention, the polarization of the incident light is achieved by utilizing the oscillation characteristics of the free electrons in the metal. Therefore, the preferred metal particles 103 in the embodiment of the present invention may be aluminum particles or aluminum alloy particles.
- the wire grid polarizing plate 20 having the wire grid pattern needs to have a polarization effect on the incident light, in which case the second protrusion 111 constituting the wire grid pattern has a period T (adjacent two second protrusions)
- the center distance of 111 must be less than or equal to one-half of the wavelength of the incident light.
- the second preset position is a position corresponding to the second protrusion 111.
- the position of the second protrusion 111 is related to incident light. Therefore, the second preset position can be set according to different incident light. For example, when the incident light is visible light, the wavelength of visible light is 400 to 800 nm. Therefore, the period T of the second bump 111 can be less than or equal to 200 nm. Thereby, the second preset position can be set according to the period T (ie, the center distance of the adjacent two second protrusions 111) ⁇ 200 nm.
- the wavelength of the infrared light as incident light is 760 nm to 1 mm. Therefore, the period T of the second protrusion 111 can be 380 nm or less. Therefore, the second protrusion and its corresponding second preset position can be set according to the period T ⁇ 380 nm.
- the period T of the second protrusions 111 is less than or equal to 100 nm.
- a first polymer monomer 101 composed of an acrylic monomer is coated on the surface of the base substrate 01.
- the first reticle 201 is disposed on the surface of the first polymer monomer 101, and the position of the first polymer monomer 101 corresponding to the light-transmitting region A of the first reticle 201 is ultraviolet-exposed.
- the first reticle 201 further includes a light-shielding region B that is opaque.
- a light-shielding region B that is opaque.
- the first polymer monomer 101 corresponding to the light shielding region B of the first reticle 201 is removed to form a pattern of the first protrusions 110 disposed at intervals.
- the substrate after the step S202 is completed may employ a solvent capable of dissolving the polymer monomer, The substrate is rinsed.
- the thickness of the first polymerized monomer layer polymer monomer 101 formed on the surface of the base substrate 01 in step S101 or step S201 and the thickness of the second polymerized monomer layer polymer monomer 102 formed in step S204 The sum can be between 20 nm and 100 nm. Including the terminal values of 20nm and 100nm. In one aspect, when the sum of the thicknesses of the first polymerized monomer layer polymer monomer 101 and the second polymerized monomer layer polymer monomer 102 is less than 20 nm, between the formed second protrusion 111 and the base substrate 01 The step difference is too small, so that the resulting wire grid polarizer cannot deflect the incident light.
- the thickness of the wire grid polarizing plate is too thick, thereby preparing The display device cannot meet the trend of ultra-thinning.
- the thickness of the first polymer monomer 101 may be increased as much as possible to reduce the manufacturing cost while satisfying the above-described thickness conditions and the formed wire grid polarizing plate is capable of polarizing the incident light.
- the second reticle 202 is disposed on the surface of the mixture 100, and the position of the mixture 100 corresponding to the light-transmitting region A' of the second reticle 202 is exposed.
- the second reticle 200 may further include a light-shielding region B' that is opaque.
- a light-shielding region B' that is opaque.
- the light-transmitting area A′ of the second reticle 202 corresponds to the light-transmitting area A of the first reticle 201
- the opaque area B′ of the second reticle 202 corresponds to the opaque area of the first reticle 201 .
- Area B the width of the light-transmitting region A' of the second reticle 202 may be 50 nm or less. The width of the second protrusion 111 thus obtained is less than or equal to 50 nm, and thus the polarization effect of the wire grid polarizer which is finally worthwhile is better.
- the width of the light-transmitting area A of the first reticle 201 is smaller than the width of the light-transmitting area A' of the second reticle 202.
- the mixture 100 corresponding to the light-shielding region B of the second reticle 202 is removed to form a wire grid pattern composed of the second protrusions 111 disposed at intervals.
- a solvent capable of dissolving the polymer monomer may be used in step S206 to rinse the substrate to remove the unexposed portion. Treated mixture 100.
- a first polymer monomer 101 composed of an acrylic monomer is coated on the surface of the base substrate 01.
- the first stamper 203 is imprinted into the first polymer monomer 101 and brought into contact with the base substrate 01.
- the first polymer monomer 101 may be wrapped in a recess of the first stamper 203.
- the first stamper 203 when the first stamper 203 may be constructed of an opaque material, the first stamp may be applied to the surface of the base substrate 01 away from the first stamp 203 as shown in FIG. The first polymer monomer 101 in the mold 203 is exposed.
- the preferred first stamp 203 described above may be made of a transparent material.
- the first polymer monomer 101 in the first stamper 203 can be exposed not only on the surface of the base substrate 01 away from the side of the first stamper 203, but also the light source can be set at the first pressure.
- the upper surface of the stamp 203 since the first stamper 203 is capable of transmitting light, the light can also enter the first stamper 203 and penetrate the sidewall of the recess of the first stamper 203 to the first polymerization in the recess.
- the monomer 101 is subjected to a curing treatment, thereby increasing the first polymer monomer 101 in the groove
- the contact surface of the ultraviolet light can reduce the time of ultraviolet curing and improve production efficiency.
- the width of the second stamp 204 groove may be less than or equal to 50 nm.
- the width of the second protrusion 111 thus obtained will be 50 nm or less, so that the polarization effect of the wire grid polarizing plate is better.
- the width of the groove of the first stamper 203 is smaller than the width of the groove of the second stamper 204.
- the mixture 100 in the second stamper 204 may be exposed on the surface of the base substrate 01 away from the second stamper 204 as shown in FIG.
- the preferred second stamping die 204 described above may be made of a transparent material. In this way, not only the mixture 100 in the second stamp 204 can be exposed on the surface of the base substrate 01 away from the second stamp 204, but also the light source can be disposed on the second stamp 204. surface. In addition, since the second stamper 204 can transmit light, the light can also enter the second stamper 204 and penetrate the sidewall of the recess of the second stamper 204 to perform the mixture 100 in the recess. The curing treatment increases the contact surface of the mixture 100 with the ultraviolet light in the groove, which can reduce the time of ultraviolet curing and improve the production efficiency.
- the first protrusion 110 and the second protrusion 111 are respectively formed by mask ultraviolet curing.
- the first protrusion 110 and the second protrusion 111 are respectively formed by an imprint method. Since the first polymer monomer 101 (or the second polymer between the second protrusions 111) between the adjacent two pre-formed first protrusions 110 has been in the process of the imprint of the second embodiment Monomer 102) was extruded. Therefore, the step of removing the uncured first polymer monomer 101 (or the second polymer monomer 102) in the first embodiment is not required.
- the pattern of the first protrusions 110 may be formed by the method of ultraviolet curing of the mask of steps S201 to S203, and then the second protrusion is formed by the imprint method of steps S305 to S308.
- 111 pattern In order to ensure that the formed second protrusion 111 can wrap the first protrusion 110, the width of the groove of the second stamper 204 used in the imprint method of steps S305 to S308 is greater than the step S201 to the step. The width of the light-transmitting region of the first reticle 201 used in the method of ultraviolet curing of the mask of S203.
- the pattern of the first protrusions 110 is formed by the imprint method of steps S301 to S304, and then the pattern of the second protrusions 111 is formed by the method of ultraviolet curing of the mask of steps S204 to S06.
- the width of the transparent region of the second reticle 202 used in the method of ultraviolet curing of the mask in steps S204 to S06 is greater than that in the step.
- the embodiment of the present invention provides a wire grid polarizing plate, as shown in FIG. 4f, which may include:
- the first protrusions 110 are disposed at intervals on the surface of the base substrate 01; the first protrusions 110 are composed of a first resin material.
- the second protrusions 111 are disposed at intervals on the surface of the base substrate 01; the second protrusions 111 are composed of a second resin material doped with the metal particles 103.
- the second protrusions constitute a wire grid pattern.
- the second protrusion 111 covers at least one polarizing surface E of the first protrusion 110. In some examples, each of the second protrusions 111 covers at least one of the polarizing surfaces E of one of the first protrusions 110.
- the polarizing surface E as shown in FIG. 4g, may be the upper surface E1 of the first protrusion 110 or the side surface E2 parallel to the line arrangement direction X.
- the first, first resin material or the second resin may include an acrylic polymer.
- the acrylic polymer can be polymerized from an acrylic monomer.
- the acrylic monomer may be at least one of methyl acrylate, ethyl acrylate, n-butyl acrylate, and methyl methacrylate or n-butyl methacrylate.
- the metal particles 103 are nano-sized metal particles, and may be composed of one or more of iron simple substance, copper simple substance, and aluminum simple substance. Since aluminum metal has strong electrical conductivity, metal aluminum contains more free electrons. In the wire grid polarizing plate of the present invention, the polarization of the incident light is achieved by utilizing the oscillation characteristics of the free electrons in the metal. Therefore, preferred metal particles 103 in the embodiments of the present invention are aluminum particles or aluminum alloy particles.
- Embodiments of the present invention provide a wire grid polarizing plate, which may include: a base substrate; spaced apart first protrusions on a surface of the base substrate, the first protrusions being composed of a first resin material; and being located on the substrate a second protrusion spaced apart from the surface of the substrate; the second protrusion being composed of a second resin material doped with metal particles.
- the second protrusion covers at least one of the polarizing surfaces of the first protrusion.
- each of the second protrusions covers at least one of the first raised surfaces.
- the second protrusion has metal particles therein, so that the incident light can be polarized by utilizing the oscillation characteristics of the free electrons in the metal particles, thereby forming a wire grid polarizing plate having reflection characteristics;
- the first polymer monomer and the second polymer monomer are generally a resin material, the consumption of the metal material can be reduced in the process of fabricating the wire grid polarizing plate, and the resin material is relative to the metal target, The cost of the material is lower, so the production cost can be reduced.
- Embodiments of the present invention provide a display device including any of the wire grid polarizing plates described above. It has the same advantageous effects as the wire grid polarizing plate in the foregoing embodiment.
- the structure, manufacturing method and beneficial effects of the wire grid polarizing plate have been described in detail in the foregoing embodiments, and are not described herein again.
- the display device may specifically include at least a liquid crystal display device and an organic light emitting diode display device.
- the display device may be any one of a liquid crystal display, a liquid crystal television, a digital photo frame, a mobile phone, or a tablet computer. A product or part that displays a function.
- Embodiment 1 A wire grid polarizing plate comprising:
- the first protrusion is formed by the first tree Composition of fat materials
- the second protrusion disposed on the surface of the base substrate; the second protrusion is composed of a second resin material doped with metal particles; the second protrusion constitutes a wire grid pattern;
- the second protrusion covers at least one polarizing surface of the first protrusion, and the polarizing surface is at least one of an upper surface of the first protrusion and a side surface parallel to a direction in which the wire grid is arranged.
- the wire grid polarizing plate according to the first aspect wherein the first resin material or the second resin material comprises an acrylic polymer; the metal particles are one of iron simple substance, copper simple substance, and aluminum simple substance. kind or multiple components.
- Embodiment 3 The wire grid polarizing plate according to Embodiment 1 or 2, wherein
- the period of the second bump is less than or equal to 100 nm.
- the width of the second protrusion is less than or equal to 50 nm.
- the sum of the thicknesses of the first protrusion and the second protrusion is 20 nm to 100 nm.
- the material constituting the base substrate includes at least one of glass, quartz, or at least one of polyethylene terephthalate and cellulose triacetate.
- each of the second protrusions covers at least one of the polarizing surfaces of the first protrusion.
- Embodiment 8 is a display device comprising the wire grid polarizing plate according to any one of Embodiments 1-7.
- Embodiment 9 a method for manufacturing a wire grid polarizing plate
- the wire grid polarizer comprises:
- first protrusion disposed at an interval on a surface of the base substrate; the first protrusion being composed of a first resin material
- the second protrusion disposed on the surface of the base substrate; the second protrusion is composed of a second resin material doped with metal particles; the second protrusion constitutes a wire grid pattern;
- the second protrusion covers at least one polarizing surface of the first protrusion, and the polarizing surface is at least one of an upper surface of the first protrusion and a side surface parallel to a direction in which the wire grid is arranged,
- the manufacturing method includes:
- a wire grid pattern composed of spaced apart second protrusions is formed on a surface of the base substrate such that the second protrusion covers at least one of the polarizing surfaces of the first protrusion.
- the method of fabricating a wire grid polarizing plate according to the embodiment 9, wherein the step of forming the first bump after the step of coating the surface of the base substrate with the first polymer monomer include:
- the first polymer monomer corresponding to the first reticle shading region is removed.
- the method of fabricating a wire grid polarizing plate according to the embodiment 9, wherein the step of forming the first bump after the step of coating the surface of the base substrate with the first polymer monomer include:
- the first stamper is separated from the exposed first polymer monomer and the substrate substrate.
- the method of manufacturing a wire grid polarizing plate according to the embodiment 10 or 11, wherein after the step of coating the surface of the substrate on which the first protrusion is formed with the mixture of the second polymer monomer and the metal particles includes:
- a second reticle on a surface of the mixture, exposing a position of the mixture corresponding to the second reticle transparent region; wherein a width of the second reticle transparent region is greater than the first a width of the reticle transparent region; or, a width of the second reticle transparent region is greater than a width of the first embossing die groove;
- the mixture corresponding to the second reticle shading region is removed.
- the method of manufacturing a wire grid polarizing plate according to the embodiment 10 or 11, wherein after the step of coating the surface of the substrate on which the first protrusion is formed with the mixture of the second polymer monomer and the metal particles includes:
- stamping a second stamp into the mixture and contacting the substrate; wherein a width of the second stamp recess is greater than a width of the first mask pass; or The width of the second stamping die groove is greater than the width of the first stamping die groove;
- the second stamp is separated from the exposed mixture and the substrate.
- the metal particles are composed of one or more of iron simple substance, copper simple substance, and aluminum simple substance.
- the period of the second bump is less than or equal to 100 nm.
- the width of the second protrusion is less than or equal to 50 nm.
- the sum of the thicknesses of the first polymer monomer and the mixture is from 20 nm to 100 nm.
- the material constituting the base substrate includes at least one of glass, quartz, or at least one of polyethylene terephthalate and cellulose triacetate.
- the sum of the thicknesses of the first protrusion and the second protrusion is 20 nm to 100 nm.
- Embodiment 21 The fabrication of the wire grid polarizing plate according to any one of Embodiments 9 to 20 The method wherein each of the second protrusions covers at least one of the polarizing surfaces of the first protrusion.
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Abstract
Description
Claims (21)
- 一种线栅偏振片,包括:衬底基板;位于所述衬底基板表面的间隔设置的第一凸起;所述第一凸起由第一树脂材料构成,位于所述衬底基板表面的间隔设置的第二凸起;所述第二凸起由掺杂有金属粒子的第二树脂材料构成;所述第二凸起构成线栅图案;其中,所述第二凸起覆盖所述第一凸起的至少一个起偏表面,所述起偏表面为所述第一凸起的上表面和与线栅排列方向平行的侧面的至少一个。
- 根据权利要求1所述的线栅偏振片,其中所述第一树脂材料或第二树脂材料包括丙烯酸系聚合物;所述金属粒子由铁单质、铜单质以及铝单质中的一种或多种构成。
- 根据权利要求1或2所述的线栅偏振片,其中所述第二凸起的周期小于等于100nm。
- 根据权利要求1至3中任一项所述的线栅偏振片,其中所述第二凸起的宽度小于等于50nm。
- 根据权利要求1至4中任一项所述的线栅偏振片,其中所述第一凸起与第二凸起的厚度之和为20nm~100nm。
- 根据权利要求1至5中任一项所述的线栅偏振片,其中构成所述衬底基板的材料包括玻璃、石英石的至少一种,或聚对苯二甲酸乙二醇酯、三醋酸纤维素中的至少一种。
- 根据权利要求1至6中任一项所述的线栅偏振片,其中每一个所述第二凸起覆盖一个所述第一凸起的至少一个起偏表面。
- 一种显示装置,其特征在于,包括如权利要求1-7中任一项所述的线栅偏振片。
- 一种线栅偏振片的制作方法,所述线栅偏振片包括:衬底基板;位于所述衬底基板表面的间隔设置的第一凸起;所述第一凸起由第一树 脂材料构成,位于所述衬底基板表面的间隔设置的第二凸起;所述第二凸起由掺杂有金属粒子的第二树脂材料构成;所述第二凸起构成线栅图案;其中,所述第二凸起覆盖所述第一凸起的至少一个起偏表面,所述起偏表面为所述第一凸起的上表面和与线栅排列方向平行的侧面的至少一个,所述制作方法包括:在衬底基板的表面涂覆第一聚合物单体;对对应于第一凸起处的所述第一聚合物单体进行固化处理;在所述衬底基板的表面形成间隔设置的第一凸起的图案;在形成有所述第一凸起的基板表面涂覆第二聚合物单体与金属粒子的混合物;对对应于第二凸起处的所述混合物进行固化处理;在所述衬底基板的表面形成由间隔设置的第二凸起构成的线栅图案,从而使得所述第二凸起覆盖所述第一凸起的至少一个起偏表面。
- 根据权利要求9所述的线栅偏振片的制作方法,其中在所述在衬底基板的表面涂覆第一聚合物单体的步骤之后,形成所述第一凸起的步骤包括:将第一掩模版设置于所述第一聚合物单体的表面,对所述第一聚合物单体对应所述第一掩模版透光区域的位置进行曝光;将对应所述第一掩模版遮光区域的所述第一聚合物单体去除。
- 根据权利要求9所述的线栅偏振片的制作方法,其中在所述在衬底基板的表面涂覆第一聚合物单体的步骤之后,形成所述第一凸起的步骤包括:将第一压印模压印至所述第一聚合物单体中,并与所述衬底基板相接触;对所述第一压印模中的所述第一聚合物单体进行曝光;将所述第一压印模与曝光后的所述第一聚合物单体以及所述衬底基板分离。
- 根据权利要求10或11所述的线栅偏振片的制作方法,其中在形成有所述第一凸起的基板表面涂覆第二聚合物单体与金属粒子的混合物的步骤之后,形成所述第二凸起的步骤包括:将第二掩模版设置于所述混合物的表面,对所述混合物对应所述第二掩模版透光区域的位置进行曝光;其中,所述第二掩模版透光区域的宽度大于 所述第一掩模版透光区域的宽度;或,所述第二掩模版透光区域的宽度大于所述第一压印模凹槽的宽度;将对应所述第二掩模版遮光区域的所述混合物去除。
- 根据权利要求10或11所述的线栅偏振片的制作方法,其中在形成有所述第一凸起的基板表面涂覆第二聚合物单体与金属粒子的混合物的步骤之后,形成所述第二凸起的步骤包括:将第二压印模压印至所述混合物中,并与所述衬底基板相接触;其中,所述第二压印模凹槽的宽度大于所述第一掩模版透光区域的宽度;或,所述第二压印模凹槽的宽度大于所述第一压印模凹槽的宽度;对所述第二压印模中的所述混合物进行曝光;将所述第二压印模与曝光后的所述混合物以及所述衬底基板分离。
- 根据权利要求13所述的线栅偏振片的制作方法,其中所述第一压印模和所述第二压印模中至少一个采用透明材料制成。
- 根据权利要求9至14中任一项所述的线栅偏振片的制作方法,其中构成所述第一聚合物单体或第二聚合物单体的材料包括丙烯酸系单体;所述金属粒子由铁单质、铜单质以及铝单质中的一种或多种构成。
- 根据权利要求9至15中任一项所述的线栅偏振片的制作方法,其中所述第二凸起的周期小于等于100nm。
- 根据权利要求9至16中任一项所述的线栅偏振片的制作方法,其中所述第二凸起的宽度小于等于50nm。
- 根据权利要求9至17中任一项所述的线栅偏振片的制作方法,其中所述第一聚合物单体与所述混合物的厚度之和为20nm~100nm。
- 根据权利要求9至18中任一项所述的线栅偏振片的制作方法,其中构成所述衬底基板的材料包括玻璃、石英石的至少一种,或聚对苯二甲酸乙二醇酯、三醋酸纤维素中的至少一种。
- 根据权利要求9至19中任一项所述的线栅偏振片的制作方法,其中所述第一凸起与第二凸起的厚度之和为20nm~100nm。
- 根据权利要求9至20中任一项所述的线栅偏振片的制作方法,其中每一个所述第二凸起覆盖一个所述第一凸起的至少一个起偏表面。
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US20160341861A1 (en) | 2016-11-24 |
CN104483733B (zh) | 2017-11-21 |
US10042099B2 (en) | 2018-08-07 |
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