CN112757776B - Ink-jet printing luminous imaging system and process - Google Patents

Ink-jet printing luminous imaging system and process Download PDF

Info

Publication number
CN112757776B
CN112757776B CN202110037676.8A CN202110037676A CN112757776B CN 112757776 B CN112757776 B CN 112757776B CN 202110037676 A CN202110037676 A CN 202110037676A CN 112757776 B CN112757776 B CN 112757776B
Authority
CN
China
Prior art keywords
ink
luminescent
nano
paper
silver conductive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110037676.8A
Other languages
Chinese (zh)
Other versions
CN112757776A (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Dahua Boke Intelligent Technology Co ltd
Original Assignee
Beijing Dahua Boke Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Dahua Boke Intelligent Technology Co ltd filed Critical Beijing Dahua Boke Intelligent Technology Co ltd
Priority to CN202110037676.8A priority Critical patent/CN112757776B/en
Publication of CN112757776A publication Critical patent/CN112757776A/en
Application granted granted Critical
Publication of CN112757776B publication Critical patent/CN112757776B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock

Landscapes

  • Electroluminescent Light Sources (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The invention discloses an ink-jet printing luminous imaging system which comprises an ink-jet printer, a luminous device and nano-silver conductive ink. The ink-jet printer comprises an input control system, an output control system, an ink supply device, an output device and a post-processing curing device. The light-emitting device comprises light-emitting paper, a conductive layer and a power driver, wherein the light-emitting paper is a material formed by sequentially coating light-emitting powder and an insulating medium material on the surface of a transparent conductive film to form a standardized paper size. The invention not only provides equipment, but also provides special luminescent paper and nano-silver conductive ink for ink-jet printing, and the luminescent paper luminescent image shape is consistent with the image shape of the printed nano-silver conductive ink. Compared with the traditional silk-screen printing process, the invention does not need to prepare the screen printing plate, simplifies the process operation steps, improves the production efficiency and saves more cost.

Description

Ink-jet printing luminous imaging system and process
Technical Field
The invention relates to the technical field of luminous imaging equipment processes, in particular to an ink-jet printing luminous imaging system and a process.
Background
With the popularization of high-tech products, the light-emitting sheet is widely used in the field of consumer use, and is used as a backlight source in products such as mobile phones, pagers, cordless phones, personal digital assistants, remote controllers and the like. The light-emitting sheet has the characteristics of small volume, light weight, basically no heat generation, low power consumption, no flicker, uniform light emission, large light-emitting area and the like, so that the light-emitting sheet has a very wide market application prospect.
The existing light-emitting sheet is of a laminated structure, generally comprises a substrate layer, a light-emitting layer, an insulating layer, a conducting layer and 5 protective layers, and is manufactured by adopting a thick film method of screen printing. The current printing process has the following problems: in the conventional screen printing process, the production of the patterned luminescent sheet needs to be realized by screen printing luminescent powder, a dielectric material, a first conductive layer, a bridge insulating layer, a bridge conductive layer and auxiliary colored patterns, and a plurality of screen printing screens are needed. The laminated structure has more layers, so that the thickness of the whole luminescent sheet is thicker, and the bending resistance of the thicker luminescent sheet is not high, which limits the application of the luminescent sheet on some ultrathin flexible devices; because the number of layers is more, the existing manufacturing method of the light-emitting sheet has more processes and low yield; the conductive layer is manufactured by printing conductive silver paste on the insulating layer to play a role of an electrode, the printing thickness is 8-12 mu m, the method needs to manufacture a screen printing plate, the printing thickness is thicker, more raw materials need to be consumed, and the silver paste mainly comprises noble metals, so the cost is high; uneven printing force can cause uneven light emission; the alignment is not accurate; the printed fabric is expected to be miscible; when the conductive silver paste is printed, bubbling is easily generated, so that printing defects are caused, and black spots or breakdown is easily caused; screen printing is not suitable for large-area electrode preparation.
In conclusion, the traditional screen printing process is complex to operate, and has the problems of high production cost, low production efficiency, inapplicability to flexible printed electronic products and the like. How to overcome the technical defects in the prior art is a technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
Aiming at the existing problems, the invention provides an ink-jet printing luminous imaging system and process, which simplify the process operation steps, improve the production efficiency and save more cost compared with the traditional silk-screen process.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides an ink-jet printing luminous imaging system which comprises an ink-jet printer, a luminous device and nano-silver conductive ink.
The ink-jet printer comprises an input control system, an output control system, an ink supply device, an output device and a post-processing curing device.
Wherein the input control system processes the electronic graphic file into a data signal recognized by an output control system of the ink jet printer.
The output control system is used for receiving the data signals and then respectively sending out specific ink supply control working instructions, ink jet working instructions and curing working instructions to the ink supply device, the output device and the post-processing curing device according to the data.
The ink supply device is used for analyzing the ink supply control work instruction to obtain the graphic image data volume, and then supplying the nano silver conductive ink with constant voltage, constant current and sufficient quantity to the output device.
The output device is used for analyzing the ink-jet working instruction and accurately jetting the nano-silver conductive ink to a specific position to form image information.
And the post-processing curing device is used for analyzing the curing work instruction and carrying out post-processing curing on the printed nano silver conductive ink pattern.
The light emitting device comprises light emitting paper, a conductive layer and a power driver; the luminous paper is a surface luminous source, the luminous brightness of each position is consistent, and the uniformity is excellent. The luminous brightness is more than 50Cd/m2The LED lamp is ultrathin, flat (0.12-0.4 mm), light in weight, capable of emitting light on a curved surface, uniform and soft in light, free of heat and ultraviolet rays, high in light emitting efficiency, low in power consumption and long in service life (more than 25000 Hr).
The luminescent paper comprises a substrate layer, a luminescent layer and an insulating layer.
The substrate layer is a transparent conductive film and is used as a first electrode of the luminescent paper.
The light-emitting layer is formed by mixing light-emitting powder and a binding material, the printing thickness is 30-40 mu m, and the mixing ratio range of the light-emitting powder to the binding material is 1:1.2-1.8: 1.
The insulating layer is formed by mixing an insulating dielectric material and an organic polymer, the printing thickness is 20-30 mu m, and the mixing ratio of the insulating dielectric material to the organic polymer is 1:1.2-1.8: 1.
The luminescent paper is a material formed by sequentially coating luminescent powder and an insulating medium material on the surface of a transparent conductive film to have a standardized paper size.
The coating method includes, but is not limited to, casting, slot coating, or gravure coating.
The coating methods described above can limit or adjust the coating width.
The conductive layer is formed by inkjet printing of nano-silver conductive ink on the surface of the insulating layer and curing after post-treatment, and is used as a second electrode of the luminescent paper, and meanwhile, the patterning preparation of luminescent images can be realized by inkjet printing of the nano-silver conductive ink.
The power supply driver can load alternating voltage between the first electrode and the second electrode, the working voltage is 80-120V, the working frequency is 800-1400Hz, the printed nano silver conductive ink pattern can be lightened, and the shape of the luminous image of the luminous paper is consistent with that of the printed nano silver conductive ink.
Preferably, the ink supply device comprises an outer ink box, a hose, an inner ink box and a constant pressure pump system; the hose is respectively communicated with the outer ink box and the inner ink box; the constant pressure pump system is communicated with the outer ink box; the constant pressure pump system is used for spraying air to the outer ink box to convey constant-pressure nano silver conductive ink; the outer ink box is an automatic pressure regulating ink box.
The output device is specifically a micro-pressure electric spray head. The micro-piezoelectric nozzle comprises a piezoelectric crystal; the piezoelectric crystal is used for receiving the pulse signal and generating instant pressure after the piezoelectric crystal is deformed, so that the inner ink box is extruded to eject a drop of nano-silver conductive ink, and an ink dot is formed on paper.
The output device also comprises a carriage mechanism and a driving mechanism; the driving mechanism is used for receiving a motion control instruction and driving the carriage mechanism to move to a target position.
The post-treatment curing device is specifically an infrared curing device or a photon sintering curing device.
The transparent conductive film is one of an ITO transparent conductive film, a nano silver wire transparent conductive film, a graphene transparent conductive film or an organic conductive paste transparent conductive film. The ITO transparent conductive film is prepared by evaporating indium tin oxide on a polyester film, and the organic conductive paste transparent conductive film is prepared by printing organic conductive paste on the polyester film.
The luminescent powder is a sulfide doped composite material, and comprises but is not limited to ZnS: cu, (Zn, Cd) S: cu, (Zn, Cd) (S, Se): cu and ZnS: (Cu, Mn), ZnS: (Cu, Br), ZnS: one or more of (Cu and Al).
The binder includes, but is not limited to, one or more of ethyl cellulose terpineol, turpentine, polyester resin, polyurethane resin, epoxy resin, glass powder, or organosilicon compound.
And the insulating medium material is subjected to refining treatment by a grading ball milling process.
The insulating dielectric material includes but is not limited to barium titanate powder, titanium dioxide powder. Preferably barium titanate powder with tetragonal crystal form, average particle diameter of 0.3 μm, and specific surface area of 1.2-2.2m2(g), excellent dielectric properties. The crystal structure and properties of barium titanate are closely related to the grain size, and as the grain size decreases, the crystal structure, ferroelectricity and phase transition temperature of barium titanate all show some different characteristics from those of a coarse-grained material.
The traditional process of screen printing an insulating layer is adopted, the surface is not compact enough, the conductive layer is prepared by ink-jet printing of the nano-silver conductive ink on the insulating layer, and the conductive ink is easy to permeate into gaps to cause circuit breaking because the silver particles printed by ink-jet printing are in a nano level.
Therefore, the invention adopts the grading ball milling process to disperse the insulating medium material, so that the particles of the insulating medium material are fully refined. The insulating medium layer is very compact so as to ensure that the insulating layer can play an insulating role and cannot cause circuit breakdown due to the penetration of nano silver particles.
The organic polymer includes, but is not limited to, one or more of sodium carboxymethylcellulose (CMC), polyacrylic acid (PAA), sodium alginate, and poly (meth) acrylic acid.
Correspondingly, the invention also provides an ink-jet printing direct luminescence imaging process, and the system for printing luminescence imaging by using ink-jet printing specifically comprises the following steps: the method comprises the following steps: the input control system processes the electronic graphic file into a data signal recognized by an output control system of the ink-jet printer; step two: the output control system is used for receiving the data signals and then respectively sending specific ink supply control working instructions, ink jet working instructions and curing working instructions to the ink supply device, the output device and the post-processing curing device correspondingly according to the data; step three: the ink supply device is used for analyzing the ink supply control working instruction to obtain the data volume of the graphic image and then providing the output device with the nano silver conductive ink with constant voltage, constant current and sufficient quantity; step four: the output device is used for analyzing the ink-jet working instruction and accurately jetting the nano-silver conductive ink to a specific position of the luminescent paper to form image information; step five: the post-processing curing device is used for analyzing the curing work instruction and carrying out post-processing curing on the printed nano silver conductive ink image; step six: and applying alternating voltage between the first electrode and the second electrode through a power supply driver, lighting the image under the working voltage and the working frequency, wherein the shape of the luminous image of the luminous paper is consistent with that of the printed nano silver conductive ink.
According to the technical scheme, the invention provides the direct luminous imaging and the process for ink-jet printing, and the technical scheme has the beneficial effects that:
1. a complete set of equipment and process is provided for manufacturing the luminescent sheet, and not only is the equipment provided, but also special luminescent paper and nano silver conductive ink for ink-jet printing are provided. 2. The traditional silk-screen process needs to realize the production of the graphical luminescent sheet, and needs silk-screen luminescent powder, a dielectric material, a first conductive layer, a bridge insulating layer, a bridge conductive layer and an auxiliary colorful pattern, and needs a plurality of silk-screen printing screens. The whole process does not need plate making and printing, so that the processing links are reduced, the cost is saved, and the production efficiency is obviously improved. 3. The nano-silver conductive ink is directly printed on the surface of the insulating layer through an ink-jet printer, so that the conductive layer is prepared, the shape of the printed nano-silver conductive ink is consistent with that of the luminous image of the luminous paper, and personalized design and manufacturing can be realized. 4. The ink-jet printing direct light-emitting imaging process provided by the invention innovatively simplifies the process flow, reduces the processing difficulty, and improves the yield and the product quality. 5. The direct ink-jet imaging has higher precision, and can prepare high-precision luminescent images. 6. The thickness of the ink-jet printing nano silver conductive ink is very thin, and compared with the screen printing conductive silver paste, the thickness of the ink-jet printing nano silver conductive ink is one sixth of that of the screen printing under the condition of the same conductivity.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a complete set of equipment and process for manufacturing the luminescent sheet, and not only provides the equipment, but also provides special luminescent paper and nano silver conductive ink for ink-jet printing.
The traditional silk-screen process needs to realize the production of the graphical luminescent sheet, and needs silk-screen luminescent powder, a dielectric material, a first conductive layer, a bridge insulating layer, a bridge conductive layer and an auxiliary colorful pattern, and needs a plurality of silk-screen printing screens. The whole process does not need plate making and printing, reduces the processing links, further saves the cost, and simultaneously obviously improves the production efficiency.
The nano-silver conductive ink is directly printed on the surface of the insulating layer through an ink-jet printer, so that the conductive layer is prepared, the shape of the luminous image of the luminous paper is consistent with that of the printed nano-silver conductive ink, and digital and personalized design and manufacture can be realized.
The ink-jet printing direct light-emitting imaging process provided by the embodiment innovatively simplifies the process flow, reduces the processing difficulty, and improves the yield and the product quality.
The direct ink-jet imaging has higher precision, and can prepare high-precision luminescent images.
The thickness of the ink-jet printing nano silver conductive ink is very thin, and compared with the screen printing conductive silver paste, the thickness of the ink-jet printing nano silver conductive ink is one sixth of that of the screen printing under the condition of the same conductivity.
The embodiment provides an ink-jet printing luminous imaging system, which comprises an ink-jet printer, a light-emitting device and nano-silver conductive ink.
The ink-jet printer comprises an input control system, an output control system, an ink supply device, an output device and a post-processing curing device.
Wherein the input control system processes the electronic graphic file into a data signal recognized by an output control system of the ink jet printer.
The output control system is used for receiving the data signals and then respectively sending out specific ink supply control working instructions, ink jet working instructions and curing working instructions to the ink supply device, the output device and the post-processing curing device according to the data.
The ink supply device is used for analyzing the ink supply control working instruction to obtain the data volume of the graphic image, and then supplying the nano silver conductive ink with constant voltage, constant current and sufficient quantity to the output device.
The output device is used for analyzing the ink-jet working instruction and accurately jetting the nano-silver conductive ink to a specific position to form image information.
And the post-processing curing device is used for analyzing the curing work instruction and carrying out post-processing curing on the printed nano silver conductive ink pattern.
The light-emitting device comprises light-emitting paper, a conductive layer and a power driver; the luminous paper is a surface luminous source, the luminous brightness of each position is consistent, and the uniformity is excellent. The luminous brightness is more than 50Cd/m2The LED lamp is ultrathin, flat (0.12-0.4 mm), light in weight, capable of emitting light on a curved surface, uniform and soft in light, free of heat and ultraviolet rays, high in light emitting efficiency, low in power consumption and long in service life (more than 25000 Hr).
The luminescent paper comprises a substrate layer, a luminescent layer and an insulating layer.
The substrate layer is a transparent conductive film and is used as a first electrode of the luminescent paper. The light-emitting layer is formed by mixing light-emitting powder and a binding material, the printing thickness is 30-40 mu m, and the mixing ratio range of the light-emitting powder to the binding material is 1:1.2-1.8: 1.
The insulating layer is formed by mixing an insulating dielectric material and an organic polymer, the printing thickness is 20-30 mu m, and the mixing ratio of the insulating dielectric material to the organic polymer is 1:1.2-1.8: 1.
The luminescent paper is a material which is formed by coating luminescent powder and an insulating medium material on the surface of a transparent conductive film in sequence and has a standardized paper size.
The coating method includes, but is not limited to, a casting method, a slot coating method, or a gravure coating method.
The coating methods described above can limit or adjust the coating width.
The size of the luminescent paper used in the present embodiment is a paper size specified in ISO 216 international standard of the international organization for standardization, such as A8, a6, a5, a4, and the like.
The conductive layer is formed by ink-jet printing of nano-silver conductive ink on the surface of the insulating layer and post-treatment and solidification, and is used as a second electrode of the luminescent paper, and meanwhile, the patterned preparation of luminescent images can be realized by ink-jet printing of the nano-silver conductive ink.
The power supply driver can load alternating voltage between the first electrode and the second electrode, the working voltage is 80-120V, the working frequency is 800-1400Hz, the printed nano silver conductive ink pattern can be lightened, and the shape of the luminous image of the luminous paper is consistent with that of the printed nano silver conductive ink.
Technical description of nano silver conductive ink:
1. adaptability of the nano-silver conductive ink: the traditional process for preparing the conductive layer is to print conductive silver paste on the insulating layer as a second electrode, wherein the printing thickness is 8-12 μm. The method needs to manufacture the screen printing plate, the printing thickness is thick, a large amount of raw materials need to be consumed, and the silver paste mainly consists of noble metals, so that the cost is high. The nano-silver conductive ink for ink-jet printing is very thin, and compared with conductive silver paste for silk-screen printing, the nano-silver conductive ink for ink-jet printing has the same conductivity, and the consumption of the nano-silver conductive ink is only one sixth of that of the conductive silver paste for silk-screen printing.
2. The universality of the nano-silver conductive ink is as follows: the technical indexes of the ink, such as viscosity (5-14 cp adjustable), surface tension, fluency, fineness and the like, can meet the requirements of multiple nozzles through fine adjustment of raw material proportion so as to meet the selection of equipment under different working conditions and improve the universality of the equipment.
3. Grinding fineness of the nano silver: because the preparation process of dispersing, emulsifying and grinding is adopted, in order to achieve the technical characteristics of the ink, the nano-silver particles can be better dispersed in the solvent.
4. Ink configuration: in order to meet the requirements of ink adaptability, universality, environmental friendliness and the like, the ink is improved in terms of fillers and diluents, which are different from those of conventional inks. And a large number of experiments are carried out to verify the stability and reliability of the ink.
The ink supply device comprises an outer ink box, a hose, an inner ink box and a constant pressure pump system; the hose is respectively communicated with the outer ink box and the inner ink box; the constant pressure pump system is communicated with the outer ink box; the constant pressure pump system is used for spraying air to the outer ink box to convey constant-pressure nano silver conductive ink; the outer ink box is an automatic pressure regulating ink box.
The output device is specifically a micro-piezoelectric nozzle.
The micro-piezoelectric nozzle of the embodiment comprises a piezoelectric crystal; the piezoelectric crystal is used for receiving the pulse signal and generating instant pressure after the piezoelectric crystal is deformed, so that the inner ink box is extruded to eject a drop of nano-silver conductive ink, and an ink dot is formed on the luminescent paper.
The output device also comprises a carriage mechanism and a driving mechanism; the driving mechanism is used for receiving a motion control instruction and driving the carriage mechanism to move to a target position.
The post-treatment curing device in the embodiment can realize the rapid and integrated curing of the nano-silver conductive ink. The post-treatment curing device is specifically an infrared curing device or a photon sintering curing device. The photon sintering and curing device adopts a pulse light sintering technology, can realize low-temperature rapid sintering of the nano metal material, and does not worry about the overheating deformation variation of the base material; the sintering speed is very high, and the nano silver conductive ink is sintered for only 2-10 seconds; the LED lamp is suitable for various sizes, and can be selected from a linear light source and a surface light source.
The transparent conductive film is one of an ITO transparent conductive film, a nano silver wire transparent conductive film, a graphene transparent conductive film or an organic conductive paste transparent conductive film. The ITO transparent conductive film is prepared by evaporating indium tin oxide on a polyester film, and the organic conductive paste transparent conductive film is prepared by printing organic conductive paste on the polyester film.
The luminescent powder is a sulfide doped composite material, and comprises but is not limited to ZnS: cu, (Zn, Cd) S: cu, (Zn, Cd) (S, Se): cu and ZnS: (Cu, Mn), ZnS: (Cu, Br), ZnS: one or more of (Cu and Al).
The binder includes, but is not limited to, one or more of ethyl cellulose terpineol, turpentine, polyester resin, polyurethane resin, epoxy resin, glass powder, or organosilicon compound.
And the insulating medium material is subjected to refining treatment by a grading ball milling process.
The insulating dielectric material of the embodiment adopts tetragonal barium titanate powder, the average particle size is 0.3 μm, and the specific surface area is 1.2-2.2m2(g), excellent dielectric properties. The crystal structure and properties of barium titanate are closely related to the grain size, and as the grain size decreases, the crystal structure, ferroelectricity and phase transition temperature of barium titanate all show some different characteristics from those of a coarse-grained material. According to the traditional process for screen printing the insulating layer, the surface is not compact enough, the nano-silver conductive ink is printed on the insulating layer in an inkjet mode to prepare the conductive layer, and the conductive ink is easy to permeate into gaps to cause circuit breaking because the silver particles printed in the inkjet mode are in a nano-scale. Therefore, the invention adopts the grading ball milling process to disperse the barium titanate particles, so that the particles are fully refined, and the insulating medium layer is very compact, so that the insulating layer can play an insulating role, and the circuit breakdown caused by the penetration of the nano silver particles can be avoided.
The organic polymer includes, but is not limited to, one or more of sodium carboxymethylcellulose (CMC), polyacrylic acid (PAA), sodium alginate, and poly (meth) acrylic acid.
Correspondingly, the embodiment also provides an inkjet printing direct light-emitting imaging process, and the inkjet printing light-emitting imaging system specifically comprises the following steps: the method comprises the following steps: the input control system processes the electronic graphic file into a data signal recognized by an output control system of the ink-jet printer; step two: the output control system is used for receiving the data signals and then respectively sending specific ink supply control working instructions, ink jet working instructions and curing working instructions to the ink supply device, the output device and the post-processing curing device correspondingly according to the data; step three: the ink supply device is used for analyzing the ink supply control working instruction to obtain the data volume of the graphic image and then providing the output device with the nano silver conductive ink with constant voltage, constant current and sufficient quantity; step four: the output device is used for analyzing the ink-jet working instruction and accurately jetting the nano-silver conductive ink to a specific position of the luminescent paper to form image information; step five: the post-processing curing device is used for analyzing the curing work instruction and carrying out post-processing curing on the printed nano silver conductive ink image; step six: and applying alternating voltage between the first electrode and the second electrode through a power supply driver, lighting the image under the working voltage and the working frequency, wherein the shape of the luminous image of the luminous paper is consistent with that of the printed nano silver conductive ink.
Compared with the traditional silk-screen printing process, the direct light-emitting imaging system and the direct light-emitting imaging process for ink-jet printing are more convenient to operate, simplify the process operation steps, improve the production efficiency and save more cost. In conclusion, the direct light-emitting imaging system and the direct light-emitting imaging process for ink-jet printing have technical advantages in many aspects, so that good market prospect and economic benefit are certainly brought.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (9)

1. An ink-jet printing luminous imaging system is characterized by comprising an ink-jet printer, a luminous device and nano-silver conductive ink;
the ink-jet printer comprises an input control system, an output control system, an ink supply device, an output device and a post-processing curing device;
wherein the input control system processes the electronic graphic file into a data signal recognized by an output control system of the inkjet printer;
the output control system is used for receiving the data signals and then respectively sending specific ink supply control working instructions, ink jet working instructions and curing working instructions to the ink supply device, the output device and the post-processing curing device correspondingly according to the data;
the ink supply device is used for analyzing the ink supply control working instruction to obtain the data volume of the graphic image and then providing the output device with the nano silver conductive ink with constant voltage, constant current and sufficient quantity;
the output device is used for analyzing the ink-jet working instruction and accurately jetting the nano-silver conductive ink to a specific position to form image information, and the output device is specifically a micro-piezoelectric nozzle;
the post-processing curing device is used for analyzing the curing work instruction and carrying out post-processing curing on the printed nano silver conductive ink image;
the light emitting device comprises light emitting paper, a conductive layer and a power driver;
the luminescent paper comprises a substrate layer, a luminescent layer and an insulating layer;
the substrate layer is a transparent conductive film and is used as a first electrode of the luminescent paper;
the light-emitting layer is formed by mixing light-emitting powder and a binding material, the printing thickness is 30-40 mu m, and the mixing ratio range of the light-emitting powder to the binding material is 1:1.2-1.8: 1;
the insulating layer is formed by mixing an insulating dielectric material and an organic polymer, the printing thickness is 20-30 mu m, and the mixing ratio of the insulating dielectric material to the organic polymer is 1:1.2-1.8: 1;
the luminescent paper is a material formed by sequentially coating luminescent powder and an insulating medium material on the surface of a transparent conductive film to have a standardized paper size;
the conductive layer is formed by ink-jet printing of nano-silver conductive ink on the surface of the insulating layer and post-treatment and solidification, and is used as a second electrode of the luminescent paper, and meanwhile, the patterned preparation of luminescent images can be realized by ink-jet printing of the nano-silver conductive ink;
the power supply driver can load alternating voltage between the first electrode and the second electrode, the working voltage is 80-120V, the working frequency is 800-1400Hz, the printed nano silver conductive ink pattern can be lightened, and the shape of the luminous image of the luminous paper is consistent with that of the printed nano silver conductive ink.
2. An inkjet printing luminescent imaging system as claimed in claim 1, wherein the output device further comprises a carriage mechanism and a drive mechanism; the driving mechanism is used for receiving a motion control instruction and driving the carriage mechanism to move to a target position.
3. An inkjet printing luminescence imaging system according to claim 1, wherein the post-treatment curing device is in particular an infrared curing device or a photonic sintering curing device.
4. The system of claim 1, wherein the transparent conductive film is one of an ITO transparent conductive film, a nano-silver wire transparent conductive film, a graphene transparent conductive film, or an organic conductive paste transparent conductive film.
5. The inkjet-printing luminescent imaging system of claim 1, wherein the luminescent powder is a sulfide-doped composite material comprising ZnS: cu, (Zn, Cd) S: cu, (Zn, Cd) (S, Se): cu and ZnS: (Cu, Mn), ZnS: (Cu, Br), ZnS: one or more of (Cu, Al).
6. An inkjet printing luminescent imaging system as claimed in claim 1, wherein the binder comprises one or more of ethyl cellulose terpineol, turpentine, polyester resin, polyurethane resin, epoxy resin, glass frit, or an organosilicon compound.
7. The inkjet-printed luminescent imaging system of claim 1, wherein the dielectric media material is refined by a step ball milling process.
8. The system of claim 1, wherein the organic polymer includes, but is not limited to, one or more of sodium carboxymethylcellulose, polyacrylic acid, polyketone, polyaldehyde, sodium alginate, poly (meth) acrylic acid.
9. An inkjet printing direct light emitting imaging process, characterized in that the processing is carried out by the inkjet printing light emitting imaging system according to any one of claims 1 to 8, and the method comprises the following steps: the method comprises the following steps: the input control system processes the electronic graphic file into a data signal recognized by an output control system of the ink-jet printer; step two: the output control system is used for receiving the data signals and then respectively sending specific ink supply control working instructions, ink jet working instructions and curing working instructions to the ink supply device, the output device and the post-processing curing device correspondingly according to the data; step three: the ink supply device is used for analyzing the ink supply control working instruction to obtain the data volume of the graphic image and then providing the output device with the nano silver conductive ink with constant voltage, constant current and sufficient quantity; step four: the output device is used for analyzing the ink-jet working instruction and accurately jetting the nano-silver conductive ink to a specific position of the luminescent paper to form image information; step five: the post-processing curing device is used for analyzing the curing work instruction and carrying out post-processing curing on the printed nano silver conductive ink image; step six: and applying alternating voltage between the first electrode and the second electrode through a power supply driver, lighting the image under the working voltage and the working frequency, wherein the shape of the luminous image of the luminous paper is consistent with that of the printed nano silver conductive ink.
CN202110037676.8A 2021-01-12 2021-01-12 Ink-jet printing luminous imaging system and process Active CN112757776B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110037676.8A CN112757776B (en) 2021-01-12 2021-01-12 Ink-jet printing luminous imaging system and process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110037676.8A CN112757776B (en) 2021-01-12 2021-01-12 Ink-jet printing luminous imaging system and process

Publications (2)

Publication Number Publication Date
CN112757776A CN112757776A (en) 2021-05-07
CN112757776B true CN112757776B (en) 2022-06-10

Family

ID=75699766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110037676.8A Active CN112757776B (en) 2021-01-12 2021-01-12 Ink-jet printing luminous imaging system and process

Country Status (1)

Country Link
CN (1) CN112757776B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200608829A (en) * 2004-08-16 2006-03-01 Chai Tun Silk Screen Printing Co Ltd Manufacturing method for a flexible organix light emitting faceplate
KR100763837B1 (en) * 2006-07-18 2007-10-05 삼성전기주식회사 Manufacturing method of printed circuit board
MY168052A (en) * 2012-01-02 2018-10-11 Mutracx Int B V Inkjetsystem for printing a printed circuit board
FR3021839B1 (en) * 2014-06-02 2016-06-24 Oberthur Technologies METHOD FOR MANUFACTURING A CONFIGURABLE ELECTRICAL COMPONENT
CN105730008B (en) * 2016-04-14 2017-09-22 张琳 A kind of etching mask ink-jet direct imaging optics and technique
CN108630115A (en) * 2018-07-02 2018-10-09 华东师范大学 A kind of inorganic flexible LED colorful display screens and preparation method
CN109004107B (en) * 2018-07-02 2020-01-31 陕西科技大学 paper light-emitting structures and preparation method based on full printing process
CN110267405A (en) * 2019-06-21 2019-09-20 广东彩乐智能包装科技有限公司 A kind of all print electroluminescent device and preparation method thereof
CN110267406A (en) * 2019-06-27 2019-09-20 湖南纳昇印刷电子科技有限公司 A kind of ultrathin flexible EL sheet and preparation method thereof

Also Published As

Publication number Publication date
CN112757776A (en) 2021-05-07

Similar Documents

Publication Publication Date Title
TWI655090B (en) Transparent electrode and method of manufacturing same
JP4763237B2 (en) Method for manufacturing a conductive electronic component on a substrate
Lee et al. 41‐5: Invited Paper: Quantum Dot Conversion Layers Through Inkjet Printing
US20120200219A1 (en) Display device using quantum-dot and fabrication method thereof
CN105159005B (en) Electrochromism pane and its manufacturing method
US20090096351A1 (en) Reflective layers for electronic devices
CN111613707B (en) Electroluminescent sheet and manufacturing method thereof
US8323997B2 (en) Method of manufacturing color printed circuit board
CN1592528B (en) Conductive film pattern forming method, electrooptical apparatus and electronic apparatus
CN110267405A (en) A kind of all print electroluminescent device and preparation method thereof
CN109616586A (en) A kind of preparation method of high-resolution OLED display screen
CN100377628C (en) Figure forming method figure forming device and manufacturing method of device
CN112757776B (en) Ink-jet printing luminous imaging system and process
CN110196522A (en) A kind of preparation method of white light electrochromic device
CN108681173A (en) Electrochromism safety glass system with high-speed switch characteristic
WO2006008863A1 (en) Inorganic dispersion electroluminescence element
CN110062959A (en) Transparent light-emitting device display
CN103296048B (en) A kind of ray structure and display device based on electroluminescent principle
JP2005123153A (en) Electroluminescent display panel, electroluminescent display device, and manufacturing method thereof
US20130242244A1 (en) Methods and apparatus for electrically connecting a substrate and electrically conductive glass
CN111477618A (en) Quantum dot full-color Micro/Mini-L ED display screen structure and manufacturing method thereof
CN111554833B (en) Preparation method of flexible transparent electroluminescent film and display
CN109076702A (en) The method of solvent-free printed circuit on substrate
WO2017087475A1 (en) Process for binding conductive ink to glass
CN114071906B (en) Shell assembly, manufacturing method thereof, method for driving shell assembly to emit light and electronic equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant