CN111730988B - Ink jet printing apparatus and method - Google Patents
Ink jet printing apparatus and method Download PDFInfo
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- CN111730988B CN111730988B CN202010698386.3A CN202010698386A CN111730988B CN 111730988 B CN111730988 B CN 111730988B CN 202010698386 A CN202010698386 A CN 202010698386A CN 111730988 B CN111730988 B CN 111730988B
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- ink
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- 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
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- 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
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- 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
- B41J25/00—Actions or mechanisms not otherwise provided for
Abstract
The invention relates to an ink-jet printing device and a method, comprising the following steps: a suspension bracket; the nozzle is arranged on the suspension bracket and is provided with a nozzle used for printing ink; the moving unit is arranged on the suspension bracket and connected with the spray head so that the spray head can move along the horizontal axis direction and the vertical axis direction of the orthogonal two-dimensional coordinate system; the control unit is connected with the moving unit and used for controlling the spray head and the moving unit; and a glass carrying platform arranged below the suspension bracket and used for placing the glass substrate.
Description
Technical Field
The present invention relates to a printing apparatus, and more particularly, to an OLED inkjet printing apparatus and method.
Background
With the improvement of living standard and the development of technology, people have higher and higher requirements on the display quality of display devices. An Organic Light-Emitting Diode (OLED) has the advantages of self-luminescence, wide viewing angle, almost infinite contrast, low power consumption, extremely high reaction speed and the like, and is widely accepted at the beginning, the Light-Emitting principle of the OLED is to manufacture a layer of Light-Emitting material with the thickness of tens of nanometers on ITO glass, namely the material which is generally called as the pixel self-luminescence of an OLED screen by people, a metal electrode is arranged above a Light-Emitting layer, voltage is applied to the electrode, and the Light-Emitting layer generates Light radiation; electrons and holes are respectively injected from the positive and negative two stages, the injected electrons and holes are transmitted in the organic layer and are compounded in the luminescent layer, molecules of the luminescent layer are excited to generate singlet excitons, and the singlet excitons emit light through radiation attenuation, so that individual pixel points are formed. At present, the main production mode of the OLED is evaporation, but the production capacity is low, the OLED is only suitable for small size, the requirement of a consumer cannot be met, an evaporation process is adopted, and the problems of yield and cost are mainly faced by the technology. Compared with an evaporation process, the OLED panel manufacturing process of the ink-jet printing technology is a feasible method for reducing the production cost. The ink-jet printing technology has the characteristics of low cost, long service life of finished products, suitability for large size and the like, and is emphasized by more and more manufacturers.
The inkjet printing technology is widely applied to the film forming process of the display panel, and is considered as an important way to realize large size and mass production due to its advantages of high material utilization rate, short manufacturing period, and the like. For example, in the process of manufacturing the light emitting layer of the OLED, the organic material for manufacturing the light emitting layer may be dissolved in an inkjet solvent to form a printing ink, and the printing ink is sprayed onto the substrate through a nozzle of an inkjet printing apparatus to form a pattern of the light emitting layer. However, one problem in using the inkjet printing method effectively is that it is difficult to precisely spray ink or other materials onto a substrate material when the printing amount is large, and the development trend of the OLED is toward inkjet printing, but in the inkjet printing process, in order to achieve economical cutting and size requirements, different pixel arrangements are designed on one panel to meet the size and cutting requirements. Therefore, in order to satisfy the purpose of ink ejection to different pixel arrangements, the adjustment of the ink jet head or the arrangement of the printing manner of the glass must be changed.
Disclosure of Invention
In order to solve the above-mentioned problems, an object of the present invention is to provide an ink jet head adjusting mechanism that satisfies different sizes of ink jet printing pixel arrays and performs panel printing of a next pixel array by turning an ink jet head after one pixel is printed.
The object of the present invention and the technical problem can be solved by the following technical measures, according to the present invention, there is provided an ink jet printing apparatus comprising: a suspension bracket; the spray head is arranged on the suspension bracket and is provided with a nozzle used for printing ink; the moving unit is arranged on the suspension bracket and connected with the spray head so that the spray head can move along the direction of a horizontal shaft (X axis) and the direction of a vertical shaft (Y axis) of an orthogonal two-dimensional coordinate system (X-Y coordinate); the control unit is connected with the moving unit and used for controlling the spray head and the moving unit; and the glass carrying platform is arranged below the suspension bracket and used for placing a glass substrate.
In some embodiments of the present invention, it is further included that the suspension bracket is provided with 1 to 9 spray heads.
In some embodiments of the present invention, the hanging bracket further comprises a plurality of the nozzles, and a plurality of ink prints corresponding to the plurality of the nozzle types are provided.
In some embodiments of the present invention, an ink supply channel is further disposed in the nozzle, and the ink is continuously supplied to the ink storage box for printing.
In some embodiments of the present invention, the moving unit further adjusts the position of the showerhead according to the position of the glass substrate.
In some embodiments of the present invention, the control unit further causes the moving unit to move the nozzle to a printing position of the glass substrate for printing according to a pixel printed by the glass substrate.
The purpose of the invention and the technical problem to be solved can be further realized by adopting the following technical scheme. The method for ink-jet printing provided by the invention comprises the following steps: firstly, providing a suspension bracket with a spray head; moving the spray head along the horizontal axis direction and the vertical axis direction of the orthogonal two-dimensional coordinate system through a moving unit; and a control unit controls the moving unit to move the spray head to the position above a glass substrate of a glass carrying platform; and controlling the spray head to perform printing operation through the control unit.
In some embodiments of the present invention, the step of providing a suspension holder having a shower head further comprises: the suspension support is provided with 1 to 9 of the spray heads.
In some embodiments of the present invention, the step of providing a suspension holder having a shower head further comprises: the suspension bracket is provided with a plurality of nozzles and provides a plurality of kinds of ink printing corresponding to the plurality of kinds of nozzles.
In some embodiments of the present invention, the step of providing a suspension holder having a shower head further comprises: an ink supply channel is arranged in the nozzle, and the ink is continuously supplied to print through an ink storage box.
In some embodiments of the present invention, the step of moving the showerhead along a horizontal axis and a vertical axis of an orthogonal two-dimensional coordinate system via a moving unit further includes: the moving unit adjusts the position of the spray head according to the position of the glass substrate.
In some embodiments of the present invention, the step of controlling the moving unit through a control unit to move the shower head above a glass substrate of a glass carrying platform further includes: and the control unit enables the moving unit to move the spray head to a printing position of the glass substrate for printing according to a pixel printed by the glass substrate.
In some embodiments of the present invention, the step of moving the showerhead along a horizontal axis and a vertical axis of an orthogonal two-dimensional coordinate system via a moving unit further includes: and the spray head moves to the vertical axis direction of the two-dimensional coordinate system and moves along the horizontal axis direction for printing.
In some embodiments of the present invention, the step of moving the showerhead along a horizontal axis and a vertical axis of an orthogonal two-dimensional coordinate system via a moving unit further includes: and the spray head moves to the horizontal axis direction of the two-dimensional coordinate system and moves along the vertical axis direction for printing.
In some embodiments of the present invention, the step of controlling the nozzle to perform the printing operation through the control unit further includes: and performing printing operation according to a pixel arrangement mode of the glass substrate set by a user.
By the technical scheme, the ink-jet printing device and the ink-jet printing method at least have the following advantages and beneficial effects: the utility model provides an ink gun guiding mechanism satisfies the inkjet of not unidimensional and prints pixel arrangement, can be after having beaten a pixel, through turning to of ink gun, the panel of carrying out next pixel arrangement prints, and several kinds of pixel arrangements can be designed simultaneously to the base plate, need not confine a kind of arrangement to, do not need glass to turn to, and the broken piece risk that takes place when having avoided turning to the glass counterpoint of in-process unusual and rotatory need not make special tilting mechanism, the cost is reduced.
In conclusion, the invention has obvious progress in technology and obvious positive technical effect, and becomes a novel, advanced and practical novel invention.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the components of an inkjet printing apparatus of the present invention.
Fig. 2 is a flow chart of the steps of a method of inkjet printing of the present invention.
Fig. 3A to 3B are schematic views of an embodiment of the inkjet printing apparatus of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be made in conjunction with the accompanying drawings and preferred embodiments of the present invention.
Fig. 1 is a schematic diagram of components of an inkjet printing apparatus according to the present invention. In fig. 1, an inkjet printing apparatus includes: a suspension bracket 110; a nozzle 120 disposed on the suspension bracket 110 and having a nozzle for printing ink; a moving unit 130, which is disposed on the suspension bracket 110 and connected to the showerhead 120, so that the showerhead can move along the horizontal axis direction and the vertical axis direction of the orthogonal two-dimensional coordinate system; a control unit 140 connected to the moving unit 130 for controlling the spray head 120 and the moving unit 130; and a glass carrying platform 150 disposed below the suspension bracket 110 for placing a glass substrate.
In some embodiments, the hanger bracket is provided with 1 to 9 of the spray heads.
In some embodiments, the suspension provides a plurality of the nozzles and provides a plurality of ink prints corresponding to the plurality of the nozzle types.
In some embodiments, an ink supply channel is disposed in the nozzle, and the ink is continuously supplied to the ink storage box for printing.
In some embodiments, the moving unit adjusts the position of the showerhead according to the position of the glass substrate.
In some embodiments, the control unit causes the moving unit to move the nozzle to a printing position of the glass substrate for printing according to a pixel printed by the glass substrate.
Referring to fig. 2, it is a flow chart of the steps of the ink-jet printing method of the present invention, the flow of the steps is as follows:
step S210: a hanger bracket is provided having a spray head.
Step S220: the moving means moves the head in the horizontal axis direction and the vertical axis direction of the orthogonal two-dimensional coordinate system.
Step S230: the control unit controls the moving unit to move the spray head to the position above the glass substrate of the glass carrying platform.
Step S240: the control unit controls the nozzle to perform printing operation.
In some embodiments further comprising: the suspension support is provided with 1 to 9 of the spray heads.
In some embodiments further comprising: the suspension bracket is provided with a plurality of nozzles and provides a plurality of kinds of ink printing corresponding to the plurality of kinds of nozzles.
In some embodiments further comprising: an ink supply channel is arranged in the nozzle, and the ink is continuously supplied to print through an ink storage box.
In some embodiments further comprising: the moving unit adjusts the position of the spray head according to the position of the glass substrate.
In some embodiments further comprising: and the control unit enables the moving unit to move the spray head to a printing position of the glass substrate for printing according to a pixel printed by the glass substrate.
In some embodiments further comprising: and the spray head moves to the vertical axis direction of the two-dimensional coordinate system and moves along the horizontal axis direction for printing.
In some embodiments further comprising: and the spray head moves to the horizontal axis direction of the two-dimensional coordinate system and moves along the vertical axis direction for printing.
In some embodiments further comprising: and performing printing operation according to a pixel arrangement mode of the glass substrate set by a user.
Referring to fig. 3A to 3B, schematic diagrams of an inkjet printing apparatus according to an embodiment of the invention are shown. In fig. 3A to 3B, the inkjet printing apparatus includes a hanging bracket 310; a nozzle 320 disposed on the hanging bracket 310 and having a nozzle for printing ink; and a glass carrying platform 330 disposed below the suspension bracket 310 for placing a glass substrate 311, wherein the glass substrate 311 has a first pixel region 312 and a second pixel region 313. The hanging bracket 310 moves the nozzle 320 in the horizontal axis (X axis) direction and the vertical axis (Y axis) direction of an orthogonal two-dimensional coordinate system (X-Y coordinate), when the first pixel region 312 is printed, the glass prints in the X axis direction, the nozzle 320 works in the Y axis direction, when the glass substrate 311 finishes printing the first pixel region 312, the glass substrate returns to the original position, the nozzle 320 moves to the hanging bracket 310 in the X axis direction, then prints in the second pixel region 313, the nozzle 320 prints in the Y axis direction, and the nozzle 320 works in the X axis direction.
In some embodiments further comprising: the suspension support is provided with 1 to 9 of the spray heads.
In some embodiments further comprising: the suspension holder is preferably provided with 3 of said spray heads.
In some embodiments further comprising: the suspension bracket is provided with a plurality of nozzles and provides a plurality of kinds of ink printing corresponding to the plurality of kinds of nozzles.
In some embodiments further comprising: the nozzle can print at least one of red ink, green ink, blue ink, cyan ink, yellow ink, magenta ink, white ink and transparent ink.
In some embodiments further comprising: the nozzle can be filled with ink with different functional layers.
In some embodiments further comprising: an ink supply channel is arranged in the nozzle, and the ink is continuously supplied to print through an ink storage box.
In some embodiments further comprising: the moving unit adjusts the position of the spray head according to the position of the glass substrate.
In some embodiments further comprising: and the control unit enables the moving unit to move the spray head to a printing position of the glass substrate for printing according to a pixel printed by the glass substrate.
In some embodiments further comprising: and the spray head moves to the vertical axis direction of the two-dimensional coordinate system and moves along the horizontal axis direction for printing.
In some embodiments further comprising: and the spray head moves to the horizontal axis direction of the two-dimensional coordinate system and moves along the vertical axis direction for printing.
In some embodiments further comprising: and performing printing operation according to a pixel arrangement mode of the glass substrate set by a user.
The terms "in some embodiments" and "in various embodiments" are used repeatedly. The terms generally do not refer to the same embodiment; but it may also refer to the same embodiment. The terms "comprising," "having," and "including" are synonymous, unless the context dictates otherwise.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. An inkjet printing apparatus, comprising:
the suspension bracket is provided with a plurality of nozzles and provides a plurality of ink prints corresponding to the plurality of types of the nozzles;
the nozzle is arranged on the suspension bracket and is provided with a nozzle used for printing ink, an ink supply channel is arranged in the nozzle, and the nozzle continuously supplies ink to print through an ink storage box;
the moving unit is arranged on the suspension bracket and connected with the spray head so that the spray head can move along the horizontal axis direction and the vertical axis direction of the orthogonal two-dimensional coordinate system;
the control unit is connected with the moving unit and used for controlling the spray head and the moving unit; and
the glass carrying platform is arranged below the suspension bracket and used for placing a glass substrate;
the moving unit adjusts the position of the spray head according to the position of the glass substrate;
the control unit enables the moving unit to move the spray head to a printing position of the glass substrate for printing according to a pixel printed by the glass substrate;
after the pixels are printed, printing of another pixel arrangement is carried out through the rotation of the spray head, wherein the printing of the another pixel arrangement is carried out through the rotation of the spray head by moving the spray head to the vertical axis direction of the two-dimensional coordinate system and moving the spray head along the horizontal axis direction for printing, and/or by moving the spray head to the horizontal axis direction of the two-dimensional coordinate system and moving the spray head along the vertical axis direction for printing;
the nozzle prints at least one of red ink, green ink, blue ink, cyan ink, yellow ink, magenta ink, white ink and transparent ink.
2. The inkjet printing apparatus of claim 1, further comprising: the suspension support is provided with 1 to 9 of the spray heads.
3. A method of inkjet printing comprising the steps of:
providing a suspension bracket with a spray head;
moving the spray head along the horizontal axis direction and the vertical axis direction of the orthogonal two-dimensional coordinate system through a moving unit;
the control unit controls the moving unit to move the spray head to the position above a glass substrate of a glass carrying platform; and
control the shower nozzle through the control unit and carry out printing operation, further include: printing operation is carried out according to a pixel arrangement mode of the glass substrate set by a user;
after the pixel arrangement is printed, another pixel arrangement is printed by turning the spray head, wherein the method for printing another pixel arrangement by turning the spray head comprises the following steps: the sprayer moves to the vertical axis direction of the two-dimensional coordinate system and moves along the horizontal axis direction to print, and/or the sprayer moves to the horizontal axis direction of the two-dimensional coordinate system and moves along the vertical axis direction to print;
the nozzle prints at least one of red ink, green ink, blue ink, cyan ink, yellow ink, magenta ink, white ink and transparent ink.
4. The method of inkjet printing according to claim 3 wherein the step of moving the head along the horizontal axis and the vertical axis of the orthogonal two-dimensional coordinate system via a moving unit further comprises: and the spray head moves to the vertical axis direction of the two-dimensional coordinate system and moves along the horizontal axis direction for printing.
5. The method of inkjet printing according to claim 3 wherein the step of moving the head along the horizontal axis and the vertical axis of the orthogonal two-dimensional coordinate system via a moving unit further comprises: and the spray head moves to the horizontal axis direction of the two-dimensional coordinate system and moves along the vertical axis direction for printing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010698386.3A CN111730988B (en) | 2020-07-20 | 2020-07-20 | Ink jet printing apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010698386.3A CN111730988B (en) | 2020-07-20 | 2020-07-20 | Ink jet printing apparatus and method |
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| CN111730988A CN111730988A (en) | 2020-10-02 |
| CN111730988B true CN111730988B (en) | 2021-08-24 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500856B (en) * | 2021-05-13 | 2022-05-06 | 深圳圣德京粤科技有限公司 | Ink-jet printing plate changing method |
| CN114103454B (en) * | 2021-11-22 | 2023-01-10 | Tcl华星光电技术有限公司 | Ink jet printing system and nozzle maintenance method |
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