CN113689784A - High-brightness quantum dot diffusion plate structure and manufacturing process thereof - Google Patents
High-brightness quantum dot diffusion plate structure and manufacturing process thereof Download PDFInfo
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- CN113689784A CN113689784A CN202111022427.8A CN202111022427A CN113689784A CN 113689784 A CN113689784 A CN 113689784A CN 202111022427 A CN202111022427 A CN 202111022427A CN 113689784 A CN113689784 A CN 113689784A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
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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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
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- Optics & Photonics (AREA)
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- Liquid Crystal (AREA)
Abstract
The invention discloses a high-brightness quantum dot diffusion plate structure and a manufacturing process thereof, belonging to the technical field of quantum dot diffusion plates, and comprising a shell assembly, a display assembly and a packaging assembly, wherein the packaging assembly is fixedly installed on the periphery of the display assembly, the display assembly is installed in the shell assembly, the shell assembly comprises a bottom shell and an upper shell, the right inner wall of the bottom shell is rotatably connected with the right inner wall of the upper shell through a hinge, a support member is fixedly installed at the bottom of the shell assembly, the display assembly comprises a light guide plate, a color dispersion plate, a quantum dot film I, quantum dots, a quantum dot mold II and photonic crystals, the packaging assembly is fixedly connected on the periphery of the outer wall of the display assembly, in a dust-free and oxygen-free working chamber, EVOH coating liquid is uniformly coated on the periphery of the display assembly, EVOH coating liquid is cured through ultraviolet irradiation to package parts in the display assembly, the quantum dots are prevented from contacting with oxygen and moisture from the source, and the oxygen and water blocking effects of the display assembly are improved.
Description
Technical Field
The invention relates to the technical field of quantum dot diffusion plates, in particular to a high-brightness quantum dot diffusion plate structure and a manufacturing process thereof.
Background
Quantum dots are nano-scale semiconductors that emit light of a specific frequency by applying a certain electric field or light pressure to the nano-semiconductor material, and the frequency of the emitted light changes with the change of the size of the semiconductor, so that the color of the emitted light can be controlled by adjusting the size of the nano-semiconductor, the semiconductor materials can absorb light, when they release the energy, they convert the light into light of different colors, the specific color generated by the quantum dots depends mainly on the size and the material of the quantum dots, the reason for this is called quantum confinement, when the quantum dots are excited by light, the larger the quantum dots, the lower the energy wave, the smaller the quantum dots, the bluer the light, and the color gamut of the electronic display screen is improved by the light passing through the quantum dots through their special optical properties, the color reality degree is improved, and a better color effect is conveniently presented.
The existing quantum dots can not be directly used generally, because the quantum dots are fragile, the surface energy of the quantum dots is large due to the nanometer size, when the quantum dots are packaged in a conventional working chamber, the poor packaging is easy to occur, moisture and oxygen are easy to enter between the quantum dots and a quantum dot film during operation, the quantum dots can generate clusters, fluorescence quenching is caused, energy transfer is easy to occur, meanwhile, a colloidal layer is easy to erode, defect energy levels are left, non-radiative transition channels are formed, and fluorescence fading is caused.
Disclosure of Invention
The present invention has been made in view of the above and/or other problems occurring in the prior art of a high-brightness quantum dot diffusion plate structure and a fabrication process thereof.
Therefore, an object of the present invention is to provide a high brightness quantum dot diffusion plate structure and a manufacturing process thereof, which can solve the above-mentioned problem of fluorescence quenching caused by oxygen and moisture entering due to poor encapsulation existing between the existing quantum dot and quantum dot film.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a high-brightness quantum dot diffusion plate structure and a manufacturing process thereof comprise the following steps: casing subassembly, display module and encapsulation subassembly, display module fixed mounting encapsulation subassembly all around, display module installs inside the casing subassembly, the casing subassembly includes drain pan and epitheca, rotate through the hinge between drain pan right side inner wall and the epitheca right side inner wall and be connected, casing subassembly bottom fixed mounting support piece, the display module includes light guide plate, dispersed color plate, quantum dot membrane one, quantum dot mould two and photonic crystal, display module outer wall fixed connection encapsulation subassembly all around, the encapsulation subassembly includes EVOH coating liquid, epoxy glue and pressure frame.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: the supporting piece is a first supporting leg, and the first supporting leg is fixedly installed at the center of the bottom shell.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: the supporting piece is a second supporting leg, the second supporting leg is arched, and the axis of the second supporting leg is overlapped with the central axis of the bottom shell.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: the top of the light guide plate is fixedly connected with a dispersion plate, the top of the dispersion plate is fixedly connected with a first quantum dot film, quantum dots are uniformly adsorbed on the surface of the first quantum dot film, the diameter range of the quantum dots is set to be 2-10 nanometers, and a second quantum dot film is bonded to the top of the first quantum dot film.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: the two tops of the quantum dot die are bonded with photonic crystals, the tops of the photonic crystals are fixedly connected with light-passing plates, the tops of the light-passing plates are bonded with soft adhesive layers, two groups of cavities are symmetrically arranged on the inner walls of the soft adhesive layers in an up-and-down mode, an optically dense medium is arranged in the cavity below, and an optically sparse medium is arranged in the cavity above.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: the optically dense medium is ultra-thin float glass, the thickness of the ultra-thin float glass is set to be 1 mm, and the optically sparse medium is vacuum.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: the soft rubber layer top fixed connection grating board, grating board top fixed connection highlight membrane, highlight membrane top signal connection display panel.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: EVOH coating liquid is evenly smeared on the outer walls of the periphery of the light guide plate, the color dispersion plate, the quantum dot film I, the quantum dot film II, the photonic crystal, the light-transmitting plate, the soft glue layer and the high-brightness film.
As a preferred scheme of the high brightness quantum dot diffusion plate structure and the manufacturing process thereof, the invention comprises: the EVOH coating liquid outer wall fixed mounting presses the frame, the blank pressing frame includes the frame, go up the frame and set up the slot on the inner wall all around, it is equipped with the lower frame to go up the frame bottom, the post is inserted to lower frame inner wall fixed connection all around, it pegs graft with the slot cooperation to insert the post, it packs epoxy to fill in pressing frame and EVOH coating liquid junction gap.
A manufacturing process of the high-brightness quantum dot diffusion plate structure further comprises the following specific operation steps:
s1: preparing an independent and closed dust-free assembly workshop, carrying out comprehensive ventilation on the interior of the dust-free assembly workshop through a fresh air system, sterilizing the interior of the dust-free assembly workshop through a UV (ultraviolet) sterilizing lamp, then filling carbon dioxide into the dust-free assembly workshop to extrude oxygen in the dust-free assembly workshop, and carrying out drying treatment on the interior of the dust-free assembly workshop;
s2: an operator wears the feeding device and enters a dust-free assembly workshop for assembly;
s3: preparing all accessories and auxiliary appliances to be assembled, cleaning all parts in the shell assembly, the display assembly and the packaging assembly by an ultrasonic cleaner, and drying for later use;
s4: bonding a dispersion plate with a light guide plate through liquid optical transparent adhesive, then fixedly connecting the light guide plate with the dispersion plate through ultraviolet irradiation, uniformly sticking quantum dots to a quantum dot film I through UV adhesive, selecting a quantum dot diameter interval as-nanometer, then covering a quantum dot film II on the tops of the quantum dots, hardening the UV adhesive through ultraviolet lamp irradiation, and fixing the quantum dots with the quantum dot film I and the quantum dot film II;
s5: coating liquid optical transparent adhesive between the first quantum dot film and the dispersion plate to connect the first quantum dot film and the dispersion plate, and then hardening the liquid optical transparent adhesive through ultraviolet irradiation;
s6: coating liquid optical transparent adhesive between the photonic crystal and the second quantum dot die for connection, coating the liquid optical transparent adhesive on the top of the photonic crystal for bonding a light-transmitting plate, and irradiating an ultraviolet lamp to harden the liquid optical transparent adhesive so as to fixedly connect the second quantum dot die and the photonic crystal light-transmitting plate;
s7: filling ultra-thin float glass into a cavity below the inner part of the soft rubber layer to form a light-tight medium, vacuumizing the cavity above the inner part of the soft rubber layer to form a light-sparse medium, and then adhering the soft rubber layer to the top of the light-transmitting plate through UV (ultraviolet) glue;
s8: the top of the soft rubber layer is sequentially connected with the grating plate and the high brightness film through the UV glue, and then the UV glue is hardened through irradiating an ultraviolet lamp, so that the soft rubber layer, the grating plate and the high brightness film are fixedly connected;
s9: connecting a light guide plate, a dispersing plate, a quantum dot film I, quantum dots, a quantum dot film II, photonic crystals, a light-transmitting plate, a soft adhesive layer, a light-tight medium, a light-thinning medium, a grating plate and a highlight film, uniformly coating EVOH coating liquid on the periphery of the whole outer wall, packaging the periphery of a display assembly, and then irradiating an ultraviolet lamp to cure the EVOH coating liquid;
s10: installing a pressing frame on the outer wall of the finished product prepared in the step S9, placing the finished product prepared in the step S9 on the inner wall of the lower frame, then inserting the upper frame into the inserting groove through the inserting column in a matched mode, connecting the upper frame with the lower frame, and then filling epoxy glue into a gap between the pressing frame and the solidified EVOH coating liquid to enhance the sealing property;
s11: carry out signal connection between with display panel and the high bright membrane, then install display module and encapsulation subassembly in the drain pan together, through rotating epitheca and drain pan top terminal surface coincidence, through screw fixed connection between with epitheca and the drain pan, fix display module, then with landing leg one install drain pan bottom central point put can.
Compared with the prior art:
1. by arranging the packaging assembly, in a dust-free and oxygen-free working chamber, EVOH coating liquid is uniformly coated on the periphery of the display assembly, and ultraviolet light is used for curing the EVOH coating liquid to package parts in the display assembly, so that the integral sealing effect of the display assembly is improved, the contact of quantum dots with oxygen and moisture is avoided from the source, the oxygen-blocking and water-blocking effects of the display assembly are improved, dust entering the interior of the display assembly is avoided, and the service life and the display effect of the display assembly are improved;
2. the pressing frame is arranged, and a gap between the pressing frame and the EVOH coating liquid is filled through the epoxy glue, so that the oxygen-blocking and water-blocking performance of the equipment is improved, the pressing frame is made of a metal material, and meanwhile, the display assembly has a good heat dissipation effect;
3. through set up the color dispersion board between quantum dot and light guide plate, make the light guide plate light wave take place refraction, diffuse reflection, diffraction or interfere and the various colours that produce, the cooperation quantum dot carries out the colour compensation and shows to improve display module's colour gamut, can show more colours, improve people's visual effect.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is an exploded view of a display module according to embodiment 1 of the present invention;
fig. 3 is a schematic view of a display module mounting structure according to embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view of a soft glue layer according to example 1 of the present invention;
FIG. 5 is a schematic view of a mounting structure of a blank holder frame in embodiment 1 of the present invention;
FIG. 6 is an overall view of a blank holder according to example 1 of the present invention;
FIG. 7 is an exploded view of a blank holder frame according to example 1 of the present invention;
FIG. 8 is a schematic structural diagram of a bottom case and an upper case in accordance with embodiment 1 of the present invention;
fig. 9 is a schematic structural view of a second leg in embodiment 2 of the present invention.
In the figure, the display device comprises a shell assembly 100, a bottom shell 110, an upper shell 120, a first support leg 130, a second support leg 140, a display assembly 200, a light guide plate 210, a color dispersion plate 220, a first quantum dot film 230, quantum dots 231, a second quantum dot film 232, a photonic crystal 240, a light transmission plate 250, a soft rubber layer 260, a light tight medium 261, a light sparse medium 262, a grating plate 270, a high brightness film 280, a display panel 290, a packaging assembly 300, EVOH coating liquid 310, epoxy glue 320, a blank holder frame 330, an upper frame 331, a slot 332, a lower frame 333 and an insert column 334.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1:
the invention provides a high-brightness quantum dot diffusion plate structure and a manufacturing process thereof, which have the advantages of good oxygen resistance and water resistance, please refer to fig. 1-8, and comprise a shell assembly 100, a display assembly 200 and a packaging assembly 300, wherein the packaging assembly 300 is fixedly installed around the display assembly 200, the display assembly 200 is installed inside the shell assembly 100, the shell assembly 100 comprises a bottom shell 110 and an upper shell 120, the inner wall of the right side of the bottom shell 110 is rotatably connected with the inner wall of the right side of the upper shell 120 through a hinge, a supporting member is fixedly installed at the bottom of the shell assembly 100, the display assembly 200 comprises a light guide plate 210, a color scattering plate 220, a quantum dot film I230, a quantum dot 231, a quantum dot film II 232 and a photonic crystal 240, the packaging assembly 300 is fixedly connected around the outer wall of the display assembly 200, the packaging assembly 300 comprises an EVOH coating liquid 310, an epoxy glue 320 and a blank holder 330, the supporting member is a supporting leg I130, the leg I130 is fixedly installed at the central position of the bottom shell 110, specifically, the housing assembly 100 has an effect of facilitating the installation of the display assembly 200, the display assembly 200 has an effect of facilitating the display of images and videos, the packaging assembly 300 has an effect of facilitating the sealing of the display assembly 200, the bottom housing 110 and the top housing 120 have an effect of facilitating the fastening of the display assembly 200, the light guide plate 210 is an acrylic/PC plate using optical levels, light guide points are printed on the bottom surface of the acrylic plate using laser engraving, V-shaped cross grid engraving and UV screen printing techniques, when light is emitted to each light guide point, reflected light can be diffused at various angles, the light guide plate can uniformly emit light through various light guide points with different densities and sizes, under the condition of the same area, the light emitting efficiency is high, the power consumption is low, the display screen has an effect of providing a light source, the color diffusion plate 220 is manufactured through bionics, and the display assembly can emit light through an extremely thin wax layer on the simulated insect body wall, The film made of minute structures such as carved points, slits or scales enables light waves to be refracted, diffusely reflected, diffracted or interfered to generate various colors, the color gamut of the quantum dots is improved, the first quantum dot film 230 and the second quantum dot film 232 adopt a cadmium-free perovskite quantum dot backlight film PQDF, the first quantum dot film 230 and the second quantum dot film 232 have the function of conveniently arranging the quantum dots 231, the quantum dots 231 are composed of IV, II-VI, IV-VI or III-V elements, the quantum dots 231 comprise silicon quantum dots, germanium quantum dots, cadmium sulfide quantum dots, cadmium selenide quantum dots, cadmium telluride quantum dots, zinc selenide quantum dots, lead sulfide quantum dots and selenide quantum dots with diameters of 2-10 nanometers, the quantum dots are provided with artificial microstructures which are convenient for exciting the light waves with different colors through refraction, so that the display is provided, the color gamut photonic crystal 240 is formed by periodically arranging media with different refractive indexes, photonic crystal (photon forbidden band material), the photonic crystal 240 has the function of selecting wavelength, selectively allows light of a certain waveband to pass through and prevents light of other wavelengths from passing through, an optical band gap structure is generated in the photonic crystal 240 by periodic variation of refractive index of light, so that the color development condition is adjusted by changing refractive index by adjusting the wavelength of light, EVOH in EVOH coating liquid 310 is ethylene and vinyl alcohol copolymer, EVOH is a high-barrier material which is used most frequently, can be made into an adhesive coating agent, has excellent barrier property and excellent processability to gas, and has excellent transparency, glossiness, mechanical strength, flexibility, wear resistance, cold resistance and surface strength, is convenient to package around the display assembly 200, prevents oxygen and moisture from entering, can be cured quickly when irradiated by ultraviolet rays, and the product obtained after curing epoxy glue 320 has water resistance, moisture resistance and color development property, The edge pressing frame 330 is convenient to fix due to the characteristics of chemical corrosion resistance, glittering and translucent property and the like, the edge pressing frame 330 is made of metal copper, the edge pressing frame 330 has good heat conduction performance, heat dissipation is convenient to carry out on the display assembly 200, meanwhile, the anti-vibration effect of the equipment corners is improved due to the fact that the edge pressing frame 330 is arranged, and the service life is prolonged.
Further, the top of the light guide plate 210 is fixedly connected with a dispersion plate 220, the top of the dispersion plate 220 is fixedly connected with a first quantum dot film 230, quantum dots 231 are uniformly adsorbed on the surface of the first quantum dot film 230, the diameter range of the quantum dots 231 is set to be 2-10 nanometers, the top of the first quantum dot film 230 is bonded with a second quantum dot film 232, the top of the second quantum dot film 232 is bonded with a photonic crystal 240, the top of the photonic crystal 240 is fixedly connected with a light transmission plate 250, the top of the light transmission plate 250 is bonded with a soft rubber layer 260, two groups of cavities are symmetrically arranged on the inner wall of the soft rubber layer 260 up and down, a light tight medium 261 is arranged in the cavity below, a light hydrophobic medium 262 is arranged in the cavity above, the light tight medium 261 is ultra-thin float glass, the thickness of the ultra-thin float glass is set to be 1 millimeter, the light hydrophobic medium 262 is vacuum, the top of the soft rubber layer 260 is fixedly connected with a grating plate 270, the top of the grating plate 270 is fixedly connected with a highlight film 280, and the top of the highlight film 280 is in signal connection with a display panel 290, specifically, by arranging the dispersion plate 220 on the top of the light guide plate 210, the light emitted by the light guide plate 210 passes through the dispersion plate 220, due to a special refraction path, the richness of the color of the light source is improved, the color gamut is conveniently improved, the quantum dots 231 are uniformly distributed between the quantum dot film one 230 and the quantum dot film two 232, the color display is conveniently controlled on the surface of the display screen uniformly, the display range of the color can be improved when the quantum dots 231 with different sizes penetrate through the light, more colors are conveniently displayed, when the light refracted by the quantum dots 231 enters the photonic crystal 240 again, the light wave is adjusted again through the photonic crystal 240, the color display is more precise and accurate, the light transmission plate 250 is made of a high light transmission material, the light transmission plate 250 has the effect of improving the optical display effect, the soft rubber layer 260 has the effect of conveniently installing the optically dense medium 261 and the optically sparse medium 262, the optically dense medium 261 and the optically sparse medium 262 have an effect of conveniently adjusting the refraction angle of light waves and improving the viewing effect, the ultra-thin float glass has a filtering effect, the high brightness film 280 has an effect of improving the display brightness, and the display panel 290 has an effect of displaying images.
Further, EVOH coating liquid 310 is uniformly coated on the peripheral outer walls of the light guide plate 210, the color dispersion plate 220, the quantum dot film one 230, the quantum dot film two 232, the photonic crystal 240, the light transmission plate 250, the soft rubber layer 260 and the high brightness film 280, a press frame 330 is fixedly mounted on the outer wall of the EVOH coating liquid 310, the press frame 330 includes an upper frame 331, a slot 332 is formed in the peripheral inner wall of the upper frame 331, a lower frame 333 is arranged at the bottom of the upper frame 331, a post 334 is fixedly connected to the periphery of the inner wall of the lower frame 333, the post 334 is matched and inserted with the slot 332, a gap at the joint of the press frame 330 and the EVOH coating liquid 310 is filled with epoxy glue 320, specifically, the coated EVOH coating liquid 310 has the function of packaging the peripheral outer wall of the display module 200, so that the performance of oxygen blocking and water blocking is realized, the press frame 330 coats the periphery of the packaged display module 200, the protective performance of the display module 200 is improved, and the heat dissipation performance of the display module 200 is improved at the same time, the epoxy adhesive 320 is convenient to fill gaps at the connecting positions of the upper frame 331, the EVOH coating liquid 310 and the edges of the display assembly 200, so that the sealing performance of the periphery of the display assembly 200 is improved, and the oxygen and water resistance performance is improved.
A manufacturing process of the high-brightness quantum dot diffusion plate structure further comprises the following specific operation steps:
s1: preparing an independent and closed dust-free assembly workshop, carrying out comprehensive ventilation in the dust-free assembly workshop through a fresh air system, sterilizing the interior of the dust-free assembly workshop through a UV sterilizing lamp, then filling carbon dioxide into the dust-free assembly workshop to extrude oxygen in the dust-free assembly workshop, and carrying out drying treatment in the dust-free assembly workshop;
s2: an operator wears the oxygen supply device and enters a dust-free assembly workshop to carry out assembly work, specifically, oxygen is not supplied in the dust-free assembly workshop, and oxygen equipment needs to be prepared in advance before the operator enters the dust-free assembly workshop, so that the suffocation danger is avoided;
s3: preparing all accessories and auxiliary appliances to be assembled, cleaning all parts in the shell assembly 100, the display assembly 200 and the packaging assembly 300 by an ultrasonic cleaner, and then drying for later use, specifically, carrying out ultrasonic cleaning on related assemblies to prevent dust in the display assembly from affecting normal color display;
s4: the light guide plate 210 and the light dispersion plate 220 are bonded through liquid optical transparent adhesive, then the light guide plate 210 and the light dispersion plate 220 are fixedly connected through ultraviolet irradiation, the quantum dots 231 are uniformly adhered to the quantum dot film I230 through UV adhesive, the diameter interval of the quantum dots 231 is selected to be 2-10 nanometers, then the quantum dot film II 232 covers the top of the quantum dots 231, the UV adhesive is hardened through ultraviolet lamp irradiation, the quantum dots 231 are fixed with the quantum dot film I230 and the quantum dot film II 232, concretely, the liquid optical transparent adhesive is OCA liquid optical adhesive, the cured adhesive has high light transmittance and high transparency, has good soft extensibility, high adhesive strength and yellowing resistance, high dielectric coefficient and high sensitivity suitable for a capacitive screen, the light guide plate 210, the light dispersion plate 220 and the quantum dots 231 are bonded to prevent the quantum dots 231 from shifting, the use effect and the service life of the display component 200 are improved, UV glue must be through the adhesive of ultraviolet radiation curing;
s5: coating liquid optical transparent adhesive between the first quantum dot film 230 and the dispersive plate 220 to connect the first quantum dot film 230 and the dispersive plate 220, and then hardening the liquid optical transparent adhesive through ultraviolet irradiation;
s6: coating a liquid optical transparent adhesive between the photonic crystal 240 and the second quantum dot die 232 for connection, coating the liquid optical transparent adhesive on the top of the photonic crystal 240 for bonding the light-transmitting plate 250, and irradiating an ultraviolet lamp to harden the liquid optical transparent adhesive so that the second quantum dot die 232 and the light-transmitting plate 250 of the photonic crystal 240 are fixedly connected, thereby specifically having the functions of oxygen resistance and water resistance;
s7: filling ultra-thin float glass into a cavity below the inner part of the soft rubber layer 260 to form an optically dense medium 261, vacuumizing the cavity above the inner part of the soft rubber layer 260 to form an optically sparse medium 262, and bonding the soft rubber layer 260 to the top of the light-transmitting plate 250 through UV (ultraviolet) glue, so that the effect of conveniently adjusting the refractive index is achieved;
s8: the top of the soft rubber layer 260 is sequentially bonded with the grating plate 270 and the high brightness film 280 through the UV glue, and then the UV glue is hardened through irradiating the ultraviolet lamp, so that the soft rubber layer 260, the grating plate 270 and the high brightness film 280 are fixedly connected, specifically, the grating plate 270 has a stereoscopic impression which is convenient for improving imaging, and the high brightness film 280 covers the top of the grating plate 270 and has the effect of improving display brightness;
s9: after the light guide plate 210, the color dispersion plate 220, the first quantum dot film 230, the quantum dots 231, the second quantum dot film 232, the photonic crystal 240, the light transmission plate 250, the soft rubber layer 260, the optically dense medium 261, the optically hydrophobic medium 262, the grating plate 270 and the high brightness film 280 are connected, the periphery of the whole outer wall is uniformly coated with the EVOH coating liquid 310, the periphery of the display assembly 200 is encapsulated, and then the EVOH coating liquid 310 is cured by irradiating an ultraviolet lamp, specifically, the coated EVOH coating liquid 310 has the function of conveniently encapsulating the outer wall of the display assembly 200, so that the oxygen resistance and water resistance are realized;
s10: installing a pressing frame 330 on the outer wall of the finished product prepared in the step S9, placing the finished product prepared in the step S9 on the inner wall of a lower frame 333, then inserting an upper frame 331 into a slot 332 through an inserting column 334 in a matched manner, connecting the upper frame 331 with the lower frame 333, and then filling epoxy glue 320 in a gap between the pressing frame 330 and the solidified EVOH coating liquid 310 to enhance the sealing property, and particularly, improving the sealing property and the heat dissipation effect of the display assembly 200;
s11: signal connection is performed between the display panel 290 and the highlight film 280, then the display assembly 200 and the packaging assembly 300 are installed in the bottom case 110 together, the upper case 120 is overlapped with the top end face of the bottom case 110 through rotation, the upper case 120 and the bottom case 110 are fixedly connected through screws, the display assembly 200 is fixed, and then the first support leg 130 is installed at the center position of the bottom case 110.
Example 2:
the invention provides a high-brightness quantum dot diffusion plate structure and a manufacturing process thereof, please refer to fig. 9, which comprises a second support leg 140;
further, the supporting member is a second supporting leg 140, the second supporting leg 140 is arched, and the axis of the second supporting leg 140 coincides with the central axis of the bottom shell 110, specifically, the second supporting leg 140 has an effect of conveniently enabling the display assembly 200 to stand, so that a user can conveniently place and watch a display picture.
A manufacturing process of the high-brightness quantum dot diffusion plate structure further comprises the following specific operation steps:
s1: preparing an independent and closed dust-free assembly workshop, carrying out comprehensive ventilation on the interior of the dust-free assembly workshop through a fresh air system, sterilizing the interior of the dust-free assembly workshop through a UV (ultraviolet) sterilizing lamp, then filling carbon dioxide into the dust-free assembly workshop to extrude oxygen in the dust-free assembly workshop, and carrying out drying treatment on the interior of the dust-free assembly workshop;
s2: an operator wears the feeding device and enters a dust-free assembly workshop for assembly;
s3: preparing all accessories and auxiliary tools to be assembled, cleaning all parts in the shell assembly 100, the display assembly 200 and the packaging assembly 300 by an ultrasonic cleaner, and drying for later use;
s4: bonding a light guide plate 210 with a dispersion plate 220 through liquid optical transparent adhesive, then fixedly connecting the light guide plate 210 with the dispersion plate 220 through ultraviolet irradiation, uniformly sticking quantum dots 231 to a first quantum dot film 230 through UV adhesive, selecting a quantum dot 231 with the diameter interval of 2-10 nanometers, then covering a second quantum dot film 232 on the tops of the quantum dots 231, hardening the UV adhesive through ultraviolet lamp irradiation, and fixing the quantum dots 231 with the first quantum dot film 230 and the second quantum dot film 232;
s5: coating liquid optical transparent adhesive between the first quantum dot film 230 and the dispersive plate 220 to connect the first quantum dot film 230 and the dispersive plate 220, and then hardening the liquid optical transparent adhesive through ultraviolet irradiation;
s6: coating liquid optical transparent adhesive between the photonic crystal 240 and the second quantum dot die 232 for connection, coating the liquid optical transparent adhesive on the top of the photonic crystal 240 for bonding the light-transmitting plate 250, and irradiating an ultraviolet lamp to harden the liquid optical transparent adhesive so that the second quantum dot die 232 and the light-transmitting plate 250 of the photonic crystal 240 are fixedly connected;
s7: filling ultra-thin float glass into a cavity below the inner part of the soft adhesive layer 260 to form an optically dense medium 261, vacuumizing the cavity above the inner part of the soft adhesive layer 260 to form an optically sparse medium 262, and adhering the soft adhesive layer 260 to the top of the light-transmitting plate 250 through UV (ultraviolet) glue;
s8: the light grating plate 270 and the high brightness film 280 are sequentially bonded on the top of the soft rubber layer 260 through the UV glue, and then the UV glue is hardened through irradiating an ultraviolet lamp, so that the soft rubber layer 260, the grating plate 270 and the high brightness film 280 are fixedly connected;
s9: after the light guide plate 210, the color dispersion plate 220, the first quantum dot film 230, the quantum dots 231, the second quantum dot film 232, the photonic crystal 240, the light transmission plate 250, the soft rubber layer 260, the optically dense medium 261, the optically sparse medium 262, the grating plate 270 and the high brightness film 280 are connected, the periphery of the whole outer wall is uniformly coated with the EVOH coating liquid 310, the periphery of the display assembly 200 is packaged, and then the EVOH coating liquid 310 is solidified by irradiating an ultraviolet lamp;
s10: installing a pressing frame 330 on the outer wall of the finished product prepared in the step S9, placing the finished product prepared in the step S9 on the inner wall of a lower frame 333, then inserting an upper frame 331 into a slot 332 through an inserting column 334 in a matched manner, connecting the upper frame 331 with the lower frame 333, and then filling epoxy glue 320 in a gap between the pressing frame 330 and the solidified EVOH coating liquid 310 to enhance the sealing property;
s11: signal connection is performed between the display panel 290 and the highlight film 280, then the display assembly 200 and the packaging assembly 300 are installed in the bottom shell 110 together, the upper shell 120 and the bottom shell 110 are overlapped by rotating the top end face of the upper shell 120, the upper shell 120 and the bottom shell 110 are fixedly connected through screws, the display assembly 200 is fixed, and then the second support leg 140 is installed at the center position of the bottom shell 110.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a high bright quantum dot diffuser plate structure, includes casing subassembly (100), display module (200) and encapsulation subassembly (300), display module (200) fixed mounting encapsulation subassembly (300) all around, display module (200) are installed inside casing subassembly (100), casing subassembly (100) include drain pan (110) and epitheca (120), its characterized in that: connect through hinge rotation between drain pan (110) right side inner wall and the upper shell (120) right side inner wall, casing subassembly (100) bottom fixed mounting support piece, display module (200) include light guide plate (210), scattered color plate (220), quantum dot membrane one (230), quantum dot (231), quantum dot mould two (232) and photonic crystal (240), display module (200) outer wall fixed connection encapsulation subassembly (300) all around, encapsulation subassembly (300) include EVOH coating liquid (310), epoxy (320) and blank pressing frame (330).
2. The high brightness quantum dot diffusion plate structure according to claim 1, wherein said supporting member is a first leg (130), and said first leg (130) is fixedly installed at the bottom center position of the bottom shell (110).
3. The high brightness quantum dot diffusion plate structure according to claim 1, wherein said supporting member is a second leg (140), said second leg (140) is provided in an arc shape, and the axis of said second leg (140) is coincident with the central axis of said bottom shell (110).
4. The high-brightness quantum dot diffusion plate structure as claimed in claim 1, wherein a top of the light guide plate (210) is fixedly connected with a dispersion plate (220), a top of the dispersion plate (220) is fixedly connected with a first quantum dot film (230), quantum dots (231) are uniformly adsorbed on a surface of the first quantum dot film (230), a diameter range of the quantum dots (231) is set to be 2-10 nanometers, and a top of the first quantum dot film (230) is bonded with a second quantum dot film (232).
5. The high-brightness quantum dot diffusion plate structure according to claim 4, wherein the top of the quantum dot die II (232) is bonded with the photonic crystal (240), the top of the photonic crystal (240) is fixedly connected with a light-transmitting plate (250), the top of the light-transmitting plate (250) is bonded with a soft adhesive layer (260), two groups of cavities are symmetrically arranged on the inner wall of the soft adhesive layer (260) from top to bottom, an optically dense medium (261) is arranged in the cavity below, and an optically sparse medium (262) is arranged in the cavity above.
6. The high brightness quantum dot diffusion plate structure as claimed in claim 5, wherein said optically dense medium (261) is ultra-thin float glass, said ultra-thin float glass is set to be 1 mm in thickness, and said optically thinner medium (262) is vacuum.
7. The high brightness quantum dot diffusion plate structure according to claim 5, wherein the top of the soft adhesive layer (260) is fixedly connected with the grating plate (270), the top of the grating plate (270) is fixedly connected with the high brightness film (280), and the top of the high brightness film (280) is connected with the display panel (290) through a signal.
8. The high-brightness quantum dot diffusion plate structure according to claim 1, wherein EVOH coating liquid (310) is uniformly coated on the peripheral outer walls of the light guide plate (210), the color dispersion plate (220), the quantum dot film I (230), the quantum dot film II (232), the photonic crystal (240), the light-transmitting plate (250), the soft glue layer (260) and the high-brightness film (280).
9. The high-brightness quantum dot diffusion plate structure according to claim 8, wherein a pressing frame (330) is fixedly mounted on an outer wall of the EVOH coating liquid (310), the pressing frame (330) comprises an upper frame (331), slots (332) are formed in peripheral inner walls of the upper frame (331), a lower frame (333) is arranged at the bottom of the upper frame (331), inserting columns (334) are fixedly connected to the periphery of the inner walls of the lower frame (333), the inserting columns (334) are matched and inserted with the slots (332), and epoxy glue (320) is filled in gaps at joints of the pressing frame (330) and the EVOH coating liquid (310).
10. A manufacturing process of a high-brightness quantum dot diffusion plate structure is characterized by comprising the following steps: the method also comprises the following specific operation steps:
s1: preparing an independent and closed dust-free assembly workshop, carrying out comprehensive ventilation on the interior of the dust-free assembly workshop through a fresh air system, sterilizing the interior of the dust-free assembly workshop through a UV (ultraviolet) sterilizing lamp, then filling carbon dioxide into the dust-free assembly workshop to extrude oxygen in the dust-free assembly workshop, and carrying out drying treatment on the interior of the dust-free assembly workshop;
s2: an operator wears the feeding device and enters a dust-free assembly workshop for assembly;
s3: preparing all accessories and auxiliary tools to be assembled, cleaning all parts in the shell assembly (100), the display assembly (200) and the packaging assembly (300) by an ultrasonic cleaning machine, and drying for later use;
s4: bonding a dispersion plate (220) with a light guide plate (210) through liquid optical transparent adhesive, then fixedly connecting the light guide plate (210) with the dispersion plate (220) through ultraviolet irradiation, uniformly sticking quantum dots (231) to a quantum dot film I (230) through UV adhesive, selecting a quantum dot (231) with a diameter interval of 2-10 nanometers, then covering a quantum dot film II (232) on the tops of the quantum dots (231), hardening the UV adhesive through the ultraviolet lamp irradiation, and fixing the quantum dots (231) with the quantum dot film I (230) and the quantum dot film II (232);
s5: coating liquid optical transparent adhesive between the first quantum dot film (230) and the dispersion plate (220) to connect the first quantum dot film (230) and the dispersion plate (220), and then hardening the liquid optical transparent adhesive through ultraviolet irradiation;
s6: coating liquid optical transparent adhesive between the photonic crystal (240) and the second quantum dot die (232) for connection, coating the liquid optical transparent adhesive on the top of the photonic crystal (240) for bonding the light-transmitting plate (250), and irradiating an ultraviolet lamp to harden the liquid optical transparent adhesive so as to fixedly connect the second quantum dot die (232) and the light-transmitting plate (250) of the photonic crystal (240);
s7: filling ultra-thin float glass into a cavity below the inner part of the soft adhesive layer (260) to form an optical dense medium (261), vacuumizing the cavity above the inner part of the soft adhesive layer (260) to form an optically sparse medium (262), and bonding the soft adhesive layer (260) on the top of the light-transmitting plate (250) through UV (ultraviolet) glue;
s8: the top of the soft rubber layer (260) is sequentially connected with the grating plate (270) and the high-brightness film (280) through the UV glue, and then the UV glue is hardened through irradiating an ultraviolet lamp, so that the soft rubber layer (260), the grating plate (270) and the high-brightness film (280) are fixedly connected;
s9: after a light guide plate (210), a dispersing plate (220), a quantum dot film I (230), quantum dots (231), a quantum dot film II (232), photonic crystals (240), a light-transmitting plate (250), a soft rubber layer (260), a light-tight medium (261), a light-thinning medium (262), a grating plate (270) and a high-brightness film (280) are connected, EVOH coating liquid (310) is uniformly coated on the periphery of the outer wall of the whole body, the periphery of a display assembly (200) is packaged, and then the EVOH coating liquid (310) is solidified by irradiating an ultraviolet lamp;
s10: installing a pressing frame (330) on the outer wall of the finished product prepared in the step S9, placing the finished product prepared in the step S9 on the inner wall of a lower frame (333), then inserting an upper frame (331) into an insertion groove (332) through an insertion column (334) in a matched manner, connecting the upper frame (331) with the lower frame (333), and then filling epoxy glue (320) into a gap between the pressing frame (330) and the solidified EVOH coating liquid (310) to enhance the sealing property;
s11: the display assembly (200) is fixed by performing signal connection between the display panel (290) and the highlight film (280), then installing the display assembly (200) and the packaging assembly (300) into the bottom shell 110 together, rotating the upper shell 120 to coincide with the top end face of the bottom shell 110, fixedly connecting the upper shell 120 and the bottom shell 110 through screws, and then installing the first support leg (130) at the center position of the bottom shell 110.
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Application publication date: 20211123 |