CN115505331A - Preparation method and device of fluorescent film with high luminescence contrast - Google Patents
Preparation method and device of fluorescent film with high luminescence contrast Download PDFInfo
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- CN115505331A CN115505331A CN202211044431.9A CN202211044431A CN115505331A CN 115505331 A CN115505331 A CN 115505331A CN 202211044431 A CN202211044431 A CN 202211044431A CN 115505331 A CN115505331 A CN 115505331A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000004020 luminiscence type Methods 0.000 title abstract description 5
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 21
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 230000005284 excitation Effects 0.000 claims description 14
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 239000012046 mixed solvent Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 229960000789 guanidine hydrochloride Drugs 0.000 claims description 3
- PJJJBBJSCAKJQF-UHFFFAOYSA-N guanidinium chloride Chemical compound [Cl-].NC(N)=[NH2+] PJJJBBJSCAKJQF-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002834 transmittance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
Abstract
The invention relates to the technical field of fluorescent film preparation, in particular to a fluorescent film preparation method with high luminous contrast and a device thereof. The green fluorescent powder is adopted, so that the light transmittance is improved, the price of the green fluorescent powder is lower, and the production cost can be effectively reduced. The isolation layer of the ultraviolet isolation agent is arranged, so that external ultraviolet rays can be isolated, and the luminescence contrast is improved; and the ultraviolet rays in the device can be isolated, and the ultraviolet pollution is reduced.
Description
Technical Field
The invention relates to the technical field of fluorescent film preparation, in particular to a fluorescent film preparation method with high luminescence contrast and a device thereof.
Background
With the rapid development of Light-emitting diode (LED) technology, mini LED has been produced and has become the focus of research in recent years. At present, miniLED display is one of the future development trends of the existing flat panel display, and is greatly supported by various large module manufacturers. MiniLED is defined as an LED device with a chip size between 75-200um, and with the rapid development of MiniLED display technology, miniLED products have been widely used in ultra-clear display fields, such as high-end cinema, television, advertisement display, mobile phone screen, office display, etc.
The fluorescent film is widely used in the MiniLED production process at present, the luminescent material used in the preparation process of the fluorescent film mainly comprises yellow fluorescent powder, the main component of the yellow fluorescent powder belongs to rare earth elements, the yellow fluorescent powder belongs to non-renewable resources, and the price is high, so that the production cost of the LED is high, and in practical application, the fluorescent film does not have the function of isolating ultraviolet rays, the external ultraviolet rays can influence the luminescent contrast, and the internal ultraviolet rays can increase ultraviolet pollution.
Disclosure of Invention
The present invention is directed to a method and an apparatus for manufacturing a phosphor film with high light emission contrast, so as to solve the problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: a method and a device for preparing a fluorescent film with high luminous contrast comprise a bottom plate and a fluorescent film body, wherein a placing plate is mounted at the top end of the bottom plate by the middle position, a mounting groove is formed at the top surface of the bottom plate by the position below the placing plate, sliding grooves are formed at the top surface of the bottom plate by the positions at two ends, a bearing plate is mounted at the position at the bottom end of one corresponding side of the bottom plate, a motor is arranged at the top end of the bearing plate, a bidirectional screw is mounted at the output end of the motor through a transmission shaft, threaded blocks are movably screwed at the positions at two ends of the outer side of the bidirectional screw, a limiting block is mounted at the middle position of the outer side of the bidirectional screw, connecting columns are mounted at the top ends of the two groups of threaded blocks, the top ends of the connecting columns are fixed to the corresponding positions at the bottom end of the moving plate respectively, sliding blocks are mounted at the positions at two ends of the bottom end of the moving plate, a mounting plate is mounted at the top end of the mounting plate, a movable groove is movably screwed at the top end of the mounting plate, a movable block is movably screwed to the transverse plate, a clamping plate is mounted at the corresponding side of a threaded rod, a clamping plate is mounted at the corresponding side of the transverse plate, and a clamping plate is mounted at the corresponding side of the threaded rod, a clamping plate is mounted at one side of the transverse plate corresponding to the transverse plate, and a clamping plate corresponding to the clamping plate;
preferably, the fluorescent screen body comprises an isolation layer and an excitation film layer, and the isolation layer and the excitation film layer are combined by being superposed up and down.
Preferably, the number of the sliding blocks is four, the four sliding blocks are equal in size, and the bottom ends of the four sliding blocks respectively extend into the corresponding sliding grooves and are in sliding connection with the sliding grooves.
Preferably, the number of the slide bars is four, the four slide bars are equal in size, and the corresponding ends of the four slide bars respectively extend into the corresponding limiting grooves and are in sliding connection with the limiting grooves.
Preferably, the two groups of threaded rods are equal in size, the bottom ends of the two groups of threaded rods are respectively sleeved with a first bearing, and the bottom ends of the two groups of threaded rods are movably arranged on the inner wall of the bottom end of the corresponding movable groove through the corresponding first bearing.
Preferably, the four groups of screw rods are equal in size, the corresponding ends of the four groups of screw rods are respectively sleeved with a second bearing, and the corresponding ends of the four groups of screw rods are respectively movably arranged on the opposite sides of the corresponding clamping plates through the corresponding second bearings.
Preferably, the two sets of the movable blocks are equal in size, the width of the two sets of the movable blocks is respectively matched with the distance between the inner walls of the two corresponding sides of the corresponding movable groove, and the two sets of the movable blocks are respectively positioned in the corresponding movable grooves.
The monitoring method of the environment monitoring system comprises the following steps:
a fluorescent film with high luminous contrast comprises an excitation film layer facing the inside of equipment and an isolation layer facing the outside of the equipment, wherein the isolation layer is an ultraviolet release agent, and the preparation method of the ultraviolet release agent comprises the following steps:
s1, dissolving zinc nitrate hexahydrate in deionized water to obtain a dissolved solution;
s2, adding ammonia water into the dissolved solution obtained in the step S1 according to the mass ratio of 1:5, stirring and standing to obtain a precipitate;
and S3, crushing the precipitate obtained in the step S3 into powder, mixing the precipitate powder with urea and guanidine hydrochloride according to the mass ratio of 1.
The preparation method of the fluorescent film comprises the following steps;
s1, putting the green fluorescent powder, the organic silica gel, the diffusion powder and the dispersion solvent into stirring equipment according to a mass ratio of 10;
s2, placing the mixed solvent obtained in the step S2 in a square container, placing the square container on the top surface of a placing plate, and correspondingly clamping through two groups of transverse plates and two groups of corresponding clamping plates, so that the mixed solvent can be subjected to vacuumizing and defoaming treatment;
s3, coating the mixed solvent subjected to vacuumizing and defoaming treatment on the base film through a coating machine to obtain an excitation film layer;
and S4, coating an isolation layer on the outer surface of the excitation film layer obtained in the step S3, and thus, preparing the fluorescent film product.
Compared with the prior art, the invention has the beneficial effects that:
the green fluorescent powder is adopted, so that the light transmittance is improved, the price of the green fluorescent powder is lower, and the production cost can be effectively reduced. The isolation layer of the ultraviolet isolation agent is arranged, so that external ultraviolet rays can be isolated, and the luminescence contrast is improved; and the inner ultraviolet rays can be isolated, and the ultraviolet pollution is reduced.
High light transmittance, wide color range and low production cost. Through the barrier effect of the isolation layer on ultraviolet rays, the interference of trace ultraviolet rays in the environment can be avoided, the light-emitting contrast of the fluorescent film is further enhanced, the ultraviolet rays in the internal work can be prevented from being worn out, and the ultraviolet pollution to the environment is further reduced.
Drawings
FIG. 1 is a schematic perspective view of the main body of the present invention;
FIG. 2 is a perspective view of the mounting plate of the present invention;
FIG. 3 is a schematic top perspective view of the base plate of the present invention;
FIG. 4 is a schematic structural diagram of a fluorescent film body according to the present invention.
In the figure: 1. a base plate; 11. placing the plate; 12. mounting grooves; 13. a chute; 14. a support plate; 15. a motor; 16. a bidirectional screw; 17. a thread block; 18. a limiting block; 2. moving the plate; 21. connecting columns; 22. a slider; 23. mounting a plate; 24. a movable groove; 25. a threaded rod; 26. a movable block; 3. a transverse plate; 31. a limiting groove; 32. a side plate; 33. a screw rod; 34. a splint; 35. a slide bar; 4. a fluorescent film body; 41. an insulating layer; 42. the membrane layer is excited.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a fluorescent film preparation method and a fluorescent film preparation device with high luminous contrast ratio comprise a bottom plate 1 and a fluorescent film body 4, wherein a placing plate 11 is arranged at the top end of the bottom plate 1 close to the middle position, a mounting groove 12 is formed in the position, close to the lower side of the placing plate 11, of the top surface of the bottom plate 1, sliding grooves 13 are formed in the positions, close to two ends of two sides, of the top surface of the bottom plate 1, a bearing plate 14 is arranged at the position, close to the bottom end, of one corresponding side of the bottom plate 1, a motor 15 is arranged at the top end of the bearing plate 14, a bidirectional screw 16 is arranged at the output end of the motor 15 through a transmission shaft, threaded blocks 17 are movably screwed at the positions, close to the two ends, of the outer side of the bidirectional screw 16, and a limiting block 18 is arranged at the position, close to the middle, of the outer side of the bidirectional screw 16.
The connecting columns 21 are installed at the top ends of the two groups of threaded blocks 17, the top ends of the connecting columns 21 are fixed with the corresponding positions of the bottom end of the movable plate 2 respectively, the bottom end of the movable plate 2 is provided with the sliding blocks 22 at positions close to two ends, the number of the sliding blocks 22 is four, the sizes of the four groups of sliding blocks 22 are equal, the bottom ends of the four groups of sliding blocks 22 extend into the corresponding sliding grooves 13 respectively and are in sliding connection with the sliding grooves, the mounting plate 23 is installed at the top end of the movable plate 2, the movable grooves 24 are formed in one corresponding side of the mounting plate 23, threaded rods 25 are movably screwed on the inner walls of the top ends of the movable grooves 24 respectively, movable blocks 26 are movably screwed on the outer sides of the threaded rods 25 respectively, the sizes of the two groups of movable blocks 26 are equal, the widths of the two groups of movable blocks 26 are matched with the distances between the inner walls of the two corresponding sides of the corresponding movable grooves 24 respectively, the two groups of movable blocks 26 are located in the inner walls of the corresponding movable grooves 24 respectively, the sizes of the two groups of threaded rods 25 are equal, first bearings are respectively sleeved with the bottoms of the two groups of threaded rods 25, and the first bearings respectively.
The corresponding sides of the movable blocks 26 are respectively installed with the corresponding sides of the corresponding transverse plates 3, the corresponding sides of the transverse plates 3 are provided with limiting grooves 31 near the positions of the two ends, the corresponding sides of the transverse plates 3 are provided with side plates 32 near the positions of the corresponding sides of the corresponding limiting grooves 31, the corresponding sides of the corresponding side plates 32 are movably screwed with lead screws 33, the corresponding ends of the corresponding lead screws 33 are provided with clamping plates 34, the four groups of lead screws 33 are equal in size, the corresponding ends of the four groups of lead screws 33 are respectively sleeved with second bearings, the corresponding ends of the four groups of lead screws 33 are movably arranged with the corresponding sides of the corresponding clamping plates 34 through the corresponding second bearings, the corresponding sides of the clamping plates 34 are provided with sliding rods 35, the number of the sliding rods 35 is four groups, the sizes of the four groups of sliding rods 35 are equal, and the corresponding ends of the four groups of sliding rods 35 respectively extend into the corresponding limiting grooves 31 and are slidably connected with the sliding rods.
The fluorescent film body 4 comprises an isolation layer 41 and an excitation film layer 42, and the isolation layer 41 and the excitation film layer 42 are formed by overlapping and combining up and down.
A fluorescent film with high luminous contrast comprises an excitation film layer facing the inside of equipment and an isolation layer facing the outside of the equipment, wherein the excitation film layer can emit light when ultraviolet rays are irradiated, and the isolation layer can isolate the ultraviolet rays. Through the barrier effect of the isolation layer on ultraviolet rays, the interference of trace ultraviolet rays in the environment can be avoided, the light-emitting contrast of the fluorescent film is further enhanced, the ultraviolet rays in the internal work can be prevented from being worn out, and the ultraviolet pollution to the environment is further reduced.
The used isolation layer is an ultraviolet isolation agent, and the preparation method of the ultraviolet isolation agent comprises the following steps:
s1, dissolving zinc nitrate hexahydrate in deionized water to obtain a dissolved solution;
s2, adding ammonia water into the dissolved solution obtained in the step S1 according to the mass ratio of 1:5, stirring and standing to obtain a precipitate;
and S3, crushing the precipitate obtained in the step S3 into powder, mixing the precipitate powder with urea and guanidine hydrochloride according to the mass ratio of 1.
The preparation method of the fluorescent film comprises the following steps;
s1, putting the green fluorescent powder, the organic silica gel, the diffusion powder and the dispersion solvent into stirring equipment according to a mass ratio of 10;
s2, placing the mixed solvent obtained in the step S2 in a square container, placing the square container on the top surface of the placing plate 11, correspondingly clamping the mixed solvent through the two groups of transverse plates 3 and the two groups of corresponding clamping plates 34, and then vacuumizing and defoaming the mixed solvent;
s3, coating the mixed solvent subjected to vacuumizing and defoaming treatment on the base film through a coating machine to obtain an excitation film layer;
and S4, coating an isolation layer on the outer surface of the excitation film layer obtained in the step S3, and thus, preparing the fluorescent film product.
The stirring speed in the step S1 is set to be 200rpm, the stirring time is 20min, and the EBS diffusion powder is used as the diffusion powder in the step S1.
The green fluorescent film prepared by the method has high light transmittance, wide color gamut and low production cost
When in use, a user can place the mixed solvent in a square container and place the square container on the top surface of the placing plate 11, at this time, the motor 15 can be started, under the action of the motor 15, the bidirectional screw 16 can correspondingly rotate, so that the two groups of thread blocks 17 respectively move oppositely at the corresponding ends of the bidirectional screw 16, so that the corresponding connecting column 21 and the corresponding moving plate 2 can correspondingly move along with the connecting column, so that the two groups of mounting plates 23 can correspondingly move along with the connecting column, during the movement of the two groups of moving plates 2, the corresponding sliding blocks 22 respectively slide correspondingly in the corresponding sliding grooves 13, so that the corresponding moving plates 2 are more stable and not easy to shake during the movement, when the corresponding side of the two groups of transverse plates 3 is attached to the corresponding side surface of the square container, the user can stop the operation of the motor 15, at this time, the user can rotate the two groups of transverse plates 25, under the rotating action of the two groups of threaded rods 25, so that the corresponding movable blocks 26 can respectively move downwards at the corresponding outer surface of the corresponding threaded rods 25, so that the corresponding clamping plates 34 can correspondingly move correspondingly, and the clamping plates 34 can correspondingly move correspondingly and the corresponding threaded rods 34 can correspondingly clamp plates 34 in the corresponding grooves of the corresponding threaded rods, thereby enabling the user to conveniently clamp plates 34, and is not easy to shake.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A fluorescent film preparation device with high luminous contrast comprises a bottom plate (1) and a fluorescent film body (4), and is characterized in that; the top end of the bottom plate (1) is provided with a placing plate (11) by the middle position, the top surface of the bottom plate (1) is provided with a mounting groove (12) by the position below the placing plate (11), the top surface of the bottom plate (1) is provided with sliding grooves (13) by the positions of both ends, the corresponding side of the bottom plate (1) is provided with a bearing plate (14) by the position of the bottom end, the top end of the bearing plate (14) is provided with a motor (15), the output end of the motor (15) is provided with a bidirectional screw (16) through a transmission shaft, the outer side of the bidirectional screw (16) is movably screwed with thread blocks (17) by the positions of both ends, the outer side of the bidirectional screw (16) is provided with a limit block (18) by the middle position, the top ends of the two groups of thread blocks (17) are both provided with connecting columns (21), the top ends of the connecting columns (21) are fixed with the corresponding positions of the bottom end of the moving plate (2) respectively, the bottom end of the moving plate (2) is provided with sliders (22) by the positions of both ends, the top end of the moving plate (2) is provided with mounting plates (23), the moving rods (24) are both ends are movably screwed with moving rods (25), and the moving rods (25) are both movable threaded rods (25), the utility model discloses a slide bar, including slide bar (34), slide bar (35), slide bar (33), and the corresponding one side of splint (34) is installed with the corresponding one side that corresponds diaphragm (3) respectively, spacing groove (31) have all been seted up to the position that corresponds both ends on the corresponding one side of diaphragm (3), and curb plate (32) are all installed to the position that corresponds one side by corresponding spacing groove (31) corresponding one side on the corresponding one side of diaphragm (3), correspond the equal activity spiro union in inside of curb plate (32) has lead screw (33), and the corresponding one end that corresponds lead screw (33) all is provided with splint (34), slide bar (35) are all installed to the corresponding one side of splint (34).
2. A device for preparing a fluorescent film with high light-emitting contrast as claimed in claim 1, wherein: fluorescent screen body (4) are including insulating layer (41) and arouse rete (42), and insulating layer (41) and arouse rete (42) and form for superpose the combination from top to bottom.
3. A device for preparing a fluorescent film with high light-emitting contrast as claimed in claim 1, wherein: the number of the sliding blocks (22) is four, the sizes of the four groups of sliding blocks (22) are equal, and the bottom ends of the four groups of sliding blocks (22) respectively extend into the corresponding sliding chutes (13) and are in sliding connection with the sliding chutes.
4. A device for preparing a fluorescent film with high light-emitting contrast as claimed in claim 1, wherein: the number of the slide bars (35) is four, the four groups of the slide bars (35) have the same size, and the corresponding ends of the four groups of the slide bars (35) respectively extend into the corresponding limiting grooves (31) and are arranged in a sliding connection mode.
5. A device for preparing a fluorescent film with high light-emitting contrast as claimed in claim 1, wherein: two sets of the size of threaded rod (25) equals, and the bottom of two sets of threaded rod (25) overlaps respectively and is equipped with first bearing, and the bottom of two sets of threaded rod (25) is respectively through corresponding first bearing and the bottom inner wall that corresponds activity groove (24) is movable the setting mutually.
6. A device for preparing a fluorescent film with high light-emitting contrast as claimed in claim 1, wherein: the four groups of screw rods (33) are equal in size, the corresponding ends of the four groups of screw rods (33) are respectively sleeved with a second bearing, and the corresponding ends of the four groups of screw rods (33) are respectively movably arranged on the opposite sides of the corresponding clamping plates (34) through the corresponding second bearings.
7. A device for preparing a fluorescent film with high light-emitting contrast as claimed in claim 1, wherein: the sizes of the two groups of movable blocks (26) are equal, the width of the two groups of movable blocks (26) is respectively matched with the distance between the inner walls of the two corresponding sides of the corresponding movable groove (24), and the two groups of movable blocks (26) are respectively positioned in the corresponding movable groove (24).
8. A device for preparing a fluorescent film with high light-emitting contrast according to any one of claims 1-7, wherein: the preparation method comprises the following steps:
a fluorescent film with high luminous contrast comprises an excitation film layer facing the inside of equipment and an isolation layer facing the outside of the equipment, wherein the isolation layer is an ultraviolet release agent, and the preparation method of the ultraviolet release agent comprises the following steps:
s1, dissolving zinc nitrate hexahydrate in deionized water to obtain a dissolved solution;
s2, adding ammonia water into the dissolved solution obtained in the step S1 according to the mass ratio of 1:5, stirring and standing to obtain a precipitate;
and S3, crushing the precipitate obtained in the step S3 into powder, mixing the precipitate powder with urea and guanidine hydrochloride according to the mass ratio of 1.
The preparation method of the fluorescent film comprises the following steps;
s1, putting green fluorescent powder, organic silica gel, diffusion powder and a dispersion solvent into stirring equipment according to a mass ratio of 10;
s2, placing the mixed solvent obtained in the step S2 in a square container, placing the square container on the top surface of a placing plate (11), correspondingly clamping through two groups of transverse plates (3) and two corresponding groups of clamping plates (34), and then vacuumizing and defoaming the mixed solvent;
s3, coating the mixed solvent subjected to vacuumizing and defoaming treatment on the base film through a coating machine to obtain an excitation film layer;
and S4, coating an isolation layer on the outer surface of the excitation film layer obtained in the step S3, and thus, preparing the fluorescent film product.
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| CN202211044431.9A CN115505331A (en) | 2022-08-29 | 2022-08-29 | Preparation method and device of fluorescent film with high luminescence contrast |
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| CN202211044431.9A CN115505331A (en) | 2022-08-29 | 2022-08-29 | Preparation method and device of fluorescent film with high luminescence contrast |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013079331A (en) * | 2011-10-04 | 2013-05-02 | Kaneka Corp | Resin molding for led module |
| CN105932144A (en) * | 2016-07-03 | 2016-09-07 | 江苏罗化新材料有限公司 | Chip-level LED packaging equipment and method and preparation method of fluorescent film |
| CN107808923A (en) * | 2017-10-31 | 2018-03-16 | 上海应用技术大学 | A kind of preparation method of fluorescence membrane structure for LED |
| CN108056926A (en) * | 2018-01-29 | 2018-05-22 | 华南师范大学 | The preparation method and applications of long wave blackspot effect UV blocker |
| CN108908826A (en) * | 2018-06-23 | 2018-11-30 | 江苏罗化新材料有限公司 | Vacuum self-sucking coating film forming machine and fluorescence membrane preparation method |
| CN213853229U (en) * | 2020-11-20 | 2021-08-03 | 成都海程防腐涂料有限公司 | Vacuumizing and defoaming device for preparing composite graphene anticorrosive paint |
| CN114770161A (en) * | 2022-04-21 | 2022-07-22 | 山东理工职业学院 | Rapid pressing device for machine manufacturing equipment |
-
2022
- 2022-08-29 CN CN202211044431.9A patent/CN115505331A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013079331A (en) * | 2011-10-04 | 2013-05-02 | Kaneka Corp | Resin molding for led module |
| CN105932144A (en) * | 2016-07-03 | 2016-09-07 | 江苏罗化新材料有限公司 | Chip-level LED packaging equipment and method and preparation method of fluorescent film |
| CN107808923A (en) * | 2017-10-31 | 2018-03-16 | 上海应用技术大学 | A kind of preparation method of fluorescence membrane structure for LED |
| CN108056926A (en) * | 2018-01-29 | 2018-05-22 | 华南师范大学 | The preparation method and applications of long wave blackspot effect UV blocker |
| CN108908826A (en) * | 2018-06-23 | 2018-11-30 | 江苏罗化新材料有限公司 | Vacuum self-sucking coating film forming machine and fluorescence membrane preparation method |
| CN213853229U (en) * | 2020-11-20 | 2021-08-03 | 成都海程防腐涂料有限公司 | Vacuumizing and defoaming device for preparing composite graphene anticorrosive paint |
| CN114770161A (en) * | 2022-04-21 | 2022-07-22 | 山东理工职业学院 | Rapid pressing device for machine manufacturing equipment |
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Application publication date: 20221223 |