CN108995379B - Ink-jet printing system and method for panel manufacturing process - Google Patents
Ink-jet printing system and method for panel manufacturing process Download PDFInfo
- Publication number
- CN108995379B CN108995379B CN201810841055.3A CN201810841055A CN108995379B CN 108995379 B CN108995379 B CN 108995379B CN 201810841055 A CN201810841055 A CN 201810841055A CN 108995379 B CN108995379 B CN 108995379B
- Authority
- CN
- China
- Prior art keywords
- substrate
- film layer
- detection module
- ink
- jet printing
- 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
Links
Images
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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/26—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
Abstract
The invention discloses an ink-jet printing system for a panel manufacturing process, which comprises an ink-jet printing head, a detection module, a main control unit and a printing chamber, wherein the ink-jet printing head and the detection module are arranged in the printing chamber, the ink-jet printing head is used for jetting ink drops towards a substrate placed in the printing chamber to form a film layer on the surface of the substrate, the detection module is used for acquiring thickness data of the surface of the film layer and feeding back the thickness data to the main control unit, and the main control unit is used for analyzing the film thickness difference of each part of the surface of the film layer according to the received thickness data of the surface of the film layer and correcting the number of the. According to the Mura detection device, the printing functional component and the detection functional component are formed in the same cavity, so that the film thickness can be timely detected and fed back during or after printing, the Mura detection efficiency is improved, timely correction can be performed when the film thickness is uneven, and the generation of poor products in batches is avoided.
Description
Technical Field
The invention relates to the technical field of panel manufacturing, in particular to an ink-jet printing system and method for panel manufacturing.
Background
In the field of current lighting and display, organic electroluminescence (O L ED) has its own features, such as low starting voltage, lightness and thinness, self-luminescence, etc., and is increasingly widely researched and used in the development of lighting products and panel industries to meet the requirements of low energy consumption, lightness and thinness, and being used as a surface light source.
The development trend of O L ED is moving toward the manufacturing direction of inkjet printing, but during the inkjet printing process, Mura (dark shadow) is generated due to uneven film thickness during printing, and the drop position of the organic light emitting material has a variation such as drop reduction in pixels due to an error, and thus cannot be monitored in time.
Disclosure of Invention
In view of the defects of the prior art, the invention provides an ink-jet printing system and method for panel manufacturing process, which can shorten the Mura detection time, avoid the phenomenon that the follow-up panel has the same problems and cannot be corrected in time, and improve the product yield.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an inkjet printing system for panel processing procedure, includes inkjet printer head, detection module, main control unit and printing chamber, inkjet printer head the detection module all locates in the printing chamber, inkjet printer head be used for towards place in the base plate in the printing chamber sprays the ink droplet in order to form the rete on the base plate surface, the detection module is used for acquireing the thickness data on rete surface feeds back to main control unit, main control unit is used for according to receiving the thickness data analysis on rete surface the thick difference of membrane surface everywhere, and according to thick difference correction of membrane the ink droplet quantity of inkjet printer head jet next piece base plate.
In one embodiment, the inkjet printhead includes a support and at least one set of nozzles disposed on the support, each set of nozzles including a plurality of nozzles disposed side by side.
In one embodiment, each set of nozzles includes a plurality of nozzles for ejecting different color materials.
As one embodiment, the inspection module includes a plurality of cameras arranged in a row, and an arrangement direction of the cameras is perpendicular to a conveying direction of the substrate.
In one embodiment, the printing chamber is hermetically arranged and filled with inert gas.
As an implementation manner, the detection module is fixed on the inkjet printing head, and the main control unit is further configured to control the inkjet printing head to perform secondary inkjet on the film layer of the current substrate according to the film thickness difference so as to correct the flatness of the film layer.
As an embodiment, the inkjet printing system for panel manufacturing process further includes a reverse transport mechanism for reversely transporting the substrate from downstream to upstream, the detection module is disposed separately from the inkjet print head, and the detection module is disposed upstream relative to the inkjet print head; after the reverse conveying mechanism transmits the substrate sprayed with the ink drops to the position below the detection module, the detection module acquires thickness data of the surface of the film layer and feeds the thickness data back to the main control unit.
Another objective of the present invention is to provide an inkjet printing method for panel manufacturing process, which includes:
ejecting ink droplets toward a substrate placed in a printing chamber to form a film layer on a surface of the substrate;
acquiring thickness data of the surface of the film layer;
analyzing the film thickness difference of each position of the film surface according to the thickness data of the film surface;
and correcting the number of ink drops sprayed to the next substrate by the ink jet printing head according to the film thickness difference.
As one embodiment, the inkjet printing method for panel manufacturing further includes: and after analyzing the film thickness difference of each position on the surface of the film layer, correcting the number of ink drops of the ink jet printing head according to the film thickness difference, and carrying out secondary ink jet on the formed film layer to correct the flatness of the film layer.
As one embodiment, the process of correcting the number of ink droplets ejected from the next substrate by the inkjet print head according to the film thickness difference includes: and comparing the thickness of the sunken area on the surface of the film layer with the thickness of the highest point on the surface of the film layer to obtain a thickness difference value, and calculating the number of ink drops needing to be added in the corresponding area of the ink-jet printing head according to the thickness difference value.
According to the Mura detection device, the printing functional component and the detection functional component are formed in the same cavity, so that the film thickness can be timely detected and fed back during or after printing, the Mura detection efficiency is improved, timely correction can be performed when the film thickness is uneven, and the generation of poor products in batches is avoided.
Drawings
FIG. 1 is a schematic diagram showing the operation of an ink jet printing system according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of an ink jet printing method according to embodiment 1 of the present invention;
fig. 3 is a schematic diagram illustrating the operation of the inkjet printing system according to embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, the inkjet printing system of the embodiment is mainly used for a panel process to spray an organic light emitting material on a substrate 1 to form a pixel unit, and includes an inkjet printing head 10, a detection module 20, a main control unit 30 and a printing chamber 40, where the printing chamber 40 adopts a closed structure, the inkjet printing head 10 and the detection module 20 are both disposed in the printing chamber 40, the inkjet printing head 10 is configured to spray ink droplets toward the substrate 1 placed in the printing chamber 40 to form a film layer 2 on the surface of the substrate 1, the detection module 20 is configured to obtain thickness data of each region on the surface of the film layer 2 and feed the thickness data back to the main control unit 30, and the main control unit 30 is configured to analyze a film thickness difference of each region on the surface of the film layer 2 according to the received thickness data of the surface of the film layer 2, and correct the.
Here, the inkjet printhead 10 includes a support 11 and at least one set of heads 12 disposed on the support 11, each set of heads 12 including a plurality of heads 12 disposed side by side, wherein each set of heads 12 includes a plurality of heads 12 for ejecting different color materials, and each head 12 corresponds to a position of a different pixel, respectively.
A transport mechanism for transporting the substrate 1 is also disposed in the printing chamber 40, and the inkjet print head 10 is fixed at a printing position on the downstream side in the transport direction of the substrate 1 for transporting the substrate 1 from the home position to the printing position. Preferably, the detection module 20 of the present embodiment is fixed on the inkjet printhead 10, and after the substrate 1 is transported to the printing position to form the film layer 2, the detection module 20 can start to acquire thickness data of various areas on the surface of the film layer 2, so as to feed back the thickness data to the main control unit 30.
The main control unit 30 can analyze the film thickness difference at each position on the surface of the film layer 2 according to the thickness data of the surface of the film layer 2 fed back by the detection module 20, obtain the pixel position needing to be compensated, and obtain the number of the increased drops of the ink drops required by each pixel position needing to be compensated corresponding to each pixel position by referring to the originally set printing parameters (including the volume of a single ink drop and the data of the number of the ink drops preset in each area). On one hand, the number of ink drops ejected by the ink jet print head 10 to the next substrate 1 can be corrected according to the difference of the film thickness, that is, the number of ink drops preset at the pixel position of each area needing compensation is increased by the corresponding number of ink drops, so that the film layer 2 printed on the next substrate 1 can be uniformly arranged in thickness; on the other hand, the flatness of the film 2 can be corrected by controlling the inkjet print head 10 to perform secondary inkjet toward the pixel position of the film 2 of the substrate 1, which needs to be compensated.
As one of the embodiments, the inspection module 20 includes a plurality of cameras arranged in a row, and the arrangement direction of the cameras is perpendicular to the conveyance direction of the substrate 1. By using the camera to collect the shape image of the surface of the belt film layer 2, the main control unit 30 analyzes the pattern of the area with uneven film thickness to obtain the number of the ink drops required by each pixel position needing compensation.
Further, the interior of the printing chamber 40 is filled with an inert gas or clean air (clean dry air), for example, N2Printing is performed in the environment and the printing chamber 40 may be a glove box with manual intervention as necessary. Because the printing and the detection of the film layer 2 are carried out in the same chamber, the film layer 2 does not need to be taken out for detection after the single substrate is printed, on one hand, the detection efficiency and the printing speed are improved, on the other hand, the pollution caused by the pollution after the glass substrate is taken out can be effectively avoided, and the printed film layer 2 can reachAnd the detection is carried out, so that the condition that the subsequent substrates cannot be corrected in time due to the same problems is avoided, and the product yield is improved.
Referring to fig. 2, the inkjet printing method of the present embodiment mainly includes the following steps:
s01, ejecting ink drops toward the substrate 1 placed in the printing chamber 40 to form a film layer 2 on the surface of the substrate 1;
s02, obtaining thickness data of the surface of the film layer 2;
s03, analyzing the film thickness difference of each part on the surface of the film layer 2 according to the thickness data of the surface of the film layer 2;
s04, correcting the number of ink drops ejected by the ink jet printing head 10 to the next substrate 1 according to the difference of the film thickness, so that the uniformity of the film thickness at the corresponding position is ensured when the next substrate is printed. Meanwhile, the following step S05 may be performed simultaneously;
s05, adjusting the number of ink drops of the ink jet print head 10 according to the difference in film thickness, and performing a second ink jet process to the surface of the formed film 2 to correct the flatness of the film 2.
As one of the embodiments, the process of correcting the number of ink droplets of the ink jet print head 10 to eject the next substrate 1 according to the difference in film thickness is: and comparing the thickness of the sunken area on the surface of the film layer 2 with the thickness of the highest point on the surface of the film layer 2 to obtain a thickness difference, and calculating the number of ink drops needing to be added in the corresponding area of the ink-jet printing head 10 according to the thickness difference.
Example 2
As shown in fig. 3, unlike embodiment 1, the detection module 20 of the present embodiment is separately disposed from the inkjet printhead 10, the inkjet printing system includes a reverse transport mechanism for reversely transporting the substrate from the downstream to the upstream in addition to the transport mechanism for transporting the substrate 1 from the upstream to the downstream, and the detection module 20 is disposed upstream relative to the inkjet printhead 10 and located at the initial position of the substrate.
The inkjet printing method of the present embodiment mainly includes:
s01, ejecting ink drops toward the substrate 1 placed in the printing chamber 40 to form a film layer 2 on the surface of the substrate 1;
s02, obtaining thickness data of the surface of the film layer 2;
s03, analyzing the film thickness difference of each part on the surface of the film layer 2 according to the thickness data of the surface of the film layer 2;
s04, the number of ink drops ejected from the ink jet print head 10 to the next substrate 1 is corrected according to the difference in film thickness.
In the inkjet printing process of this embodiment, after step S01, the substrate 1 returns to the initial position, that is, the reverse transport mechanism transmits the substrate 1 after ejecting ink droplets to the position below the detection module 20, the detection module 20 obtains the thickness data of the surface of the film layer 2 and feeds the thickness data back to the main control unit 30, the main control unit 30 analyzes the thickness difference of each part of the surface of the film layer 2 according to the received thickness data of the surface of the film layer 2, and adjusts the number of ink droplets of the inkjet printhead 10 according to the thickness difference to form the film layer 2 on the surface of the next substrate 1.
In summary, the printing functional component and the detection functional component are formed in the same chamber, so that the film thickness can be detected and fed back in time during or after printing, the Mura detection efficiency is improved, timely correction can be performed when the film thickness is not uniform, and the generation of poor products in batches is avoided.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (7)
1. The ink jet printing system for the panel manufacturing process is characterized by comprising an ink jet printing head (10), a detection module (20), a main control unit (30), a printing chamber (40) and a reverse conveying mechanism for reversely conveying a substrate from downstream to upstream, wherein the ink jet printing head (10) and the detection module (20) are arranged in the printing chamber (40), the ink jet printing head (10) is used for jetting ink drops towards the substrate (1) placed in the printing chamber (40) to form a film layer (2) on the surface of the substrate (1), the detection module (20) is used for acquiring thickness data of the surface of the film layer (2) and feeding back the thickness data to the main control unit (30), and the main control unit (30) is used for analyzing the film thickness difference of each part of the surface of the film layer (2) according to the received thickness data of the surface of the film layer (2), correcting the number of ink drops sprayed to the next substrate (1) by the ink jet printing head (10) according to the film thickness difference; the detection module (20) is arranged separately from the ink jet printing head (10), and the detection module (20) is arranged at the upstream relative to the ink jet printing head (10); after the reverse conveying mechanism transmits the substrate (1) sprayed with the ink drops to the position below the detection module (20), the detection module (20) acquires thickness data of the surface of the film layer (2) and feeds the thickness data back to the main control unit (30).
2. The inkjet printing system for panel manufacturing according to claim 1, wherein the inkjet print head (10) comprises a support (11) and at least one set of nozzles (12) disposed on the support (11), each set of nozzles (12) comprising a plurality of nozzles (12) disposed side by side.
3. The inkjet printing system for panel manufacturing process according to claim 2, wherein each set of nozzles (12) comprises a plurality of nozzles (12) for ejecting different color materials.
4. The inkjet printing system for panel manufacturing according to claim 1, wherein the inspection module (20) comprises a plurality of cameras arranged in rows, and the arrangement direction of the cameras is perpendicular to the conveying direction of the substrate (1).
5. The inkjet printing system for panel manufacturing process as claimed in claim 1, wherein the printing chamber (40) is hermetically disposed and filled with inert gas.
6. An inkjet printing method for panel manufacturing, comprising:
conveying the substrate (1) from upstream to downstream, jetting ink drops by an ink jet printing head (10) towards the substrate (1) placed in a printing chamber (40) to form a film layer (2) on the surface of the substrate (1), and returning the substrate (1) to the position below a detection module (20); wherein the detection module (20) is arranged separately from the ink jet printing head (10), and the detection module (20) is arranged upstream relative to the ink jet printing head (10);
the detection module (20) acquires thickness data of the surface of the film layer (2) below;
analyzing the film thickness difference of the film (2) at each position according to the thickness data of the film (2) surface;
and correcting the number of ink drops ejected by the ink jet printing head (10) to the next substrate (1) according to the film thickness difference.
7. The inkjet printing method for panel manufacturing according to claim 6, wherein the process of correcting the number of ink drops ejected from the inkjet print head (10) to the next substrate (1) according to the film thickness difference comprises: and comparing the thickness of the sunken area on the surface of the film layer (2) with the thickness of the highest point on the surface of the film layer (2) to obtain a thickness difference, and calculating the number of ink drops needing to be added in the corresponding area of the ink-jet printing head (10) according to the thickness difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841055.3A CN108995379B (en) | 2018-07-27 | 2018-07-27 | Ink-jet printing system and method for panel manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841055.3A CN108995379B (en) | 2018-07-27 | 2018-07-27 | Ink-jet printing system and method for panel manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108995379A CN108995379A (en) | 2018-12-14 |
| CN108995379B true CN108995379B (en) | 2020-07-24 |
Family
ID=64598002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810841055.3A Active CN108995379B (en) | 2018-07-27 | 2018-07-27 | Ink-jet printing system and method for panel manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108995379B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376590B (en) * | 2018-12-29 | 2021-07-27 | Tcl科技集团股份有限公司 | Ink-jet printing equipment and ink-jet printing method and device thereof |
| CN109823051B (en) * | 2018-12-29 | 2019-12-24 | 华中科技大学 | Liquid drop injection fusion overall process volume control method and system and printer |
| CN110370818B (en) * | 2019-07-26 | 2020-10-13 | 深圳市华星光电半导体显示技术有限公司 | Ink-jet printing device and method |
| CN111063816A (en) * | 2019-12-19 | 2020-04-24 | 深圳市华星光电半导体显示技术有限公司 | Organic light-emitting diode, preparation method and display device |
| CN111169190B (en) * | 2020-02-21 | 2020-12-15 | 东莞市晶博光电股份有限公司 | Printing process of glass panel |
| CN112757796B (en) * | 2020-12-30 | 2022-04-08 | 华中科技大学 | System and method for detecting quality of display device in whole spray printing manufacturing process |
| CN113212007B (en) * | 2021-04-15 | 2022-03-29 | 华南理工大学 | Temperature control printing system applied to thin film device and optimization method thereof |
| CN113602018B (en) * | 2021-07-06 | 2022-08-09 | 华中科技大学 | Online compensation method and system for missing printing defects of flexible electronic jet printing film |
| CN113959350B (en) * | 2021-11-03 | 2023-11-28 | Tcl华星光电技术有限公司 | Ink jet printing detection system and detection method |
| CN114132080B (en) * | 2021-12-02 | 2022-06-07 | 北京博示电子科技有限责任公司 | Method and device for adjusting printing points, electronic equipment and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409651A (en) * | 2014-05-31 | 2015-03-11 | 福州大学 | An OLED device structure and 3D printing technology based multiple-spray-head printing method thereof |
| CN104465671A (en) * | 2014-12-26 | 2015-03-25 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method of display substrate and display device |
| CN105845843A (en) * | 2016-02-23 | 2016-08-10 | 友达光电股份有限公司 | Organic light emitting display panel and detection and compensation method thereof |
| CN205705757U (en) * | 2016-06-24 | 2016-11-23 | 纳晶科技股份有限公司 | A kind of printing device for preparing luminescent device, printing substrate and print system |
| CN106299116A (en) * | 2011-08-09 | 2017-01-04 | 科迪华公司 | Prone printing device and method |
| CN106827814A (en) * | 2017-02-15 | 2017-06-13 | 京东方科技集团股份有限公司 | Injection amount compensation process, emitted dose compensation equipment and ink-jet print system |
| CN107029931A (en) * | 2011-12-22 | 2017-08-11 | 科迪华公司 | Gas confinement system |
| CN107128069A (en) * | 2017-04-28 | 2017-09-05 | 京东方科技集团股份有限公司 | Adjust method, inkjet printing methods, device and its system of inkjet-printing device |
| CN107994117A (en) * | 2017-12-08 | 2018-05-04 | 京东方科技集团股份有限公司 | Prepare method, OLED display device and the OLED display devices of OLED display device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5365581B2 (en) * | 2010-05-28 | 2013-12-11 | 信越半導体株式会社 | Evaluation method of wafer with thin film |
| CN103733728B (en) * | 2012-06-14 | 2017-03-08 | 株式会社日本有机雷特显示器 | Defect inspection method, the restorative procedure of organic EL element and organic EL display panel |
| JP6035279B2 (en) * | 2014-05-08 | 2016-11-30 | 東京エレクトロン株式会社 | Film thickness measuring apparatus, film thickness measuring method, program, and computer storage medium |
-
2018
- 2018-07-27 CN CN201810841055.3A patent/CN108995379B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299116A (en) * | 2011-08-09 | 2017-01-04 | 科迪华公司 | Prone printing device and method |
| CN107029931A (en) * | 2011-12-22 | 2017-08-11 | 科迪华公司 | Gas confinement system |
| CN104409651A (en) * | 2014-05-31 | 2015-03-11 | 福州大学 | An OLED device structure and 3D printing technology based multiple-spray-head printing method thereof |
| CN104465671A (en) * | 2014-12-26 | 2015-03-25 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method of display substrate and display device |
| CN105845843A (en) * | 2016-02-23 | 2016-08-10 | 友达光电股份有限公司 | Organic light emitting display panel and detection and compensation method thereof |
| CN205705757U (en) * | 2016-06-24 | 2016-11-23 | 纳晶科技股份有限公司 | A kind of printing device for preparing luminescent device, printing substrate and print system |
| CN106827814A (en) * | 2017-02-15 | 2017-06-13 | 京东方科技集团股份有限公司 | Injection amount compensation process, emitted dose compensation equipment and ink-jet print system |
| CN107128069A (en) * | 2017-04-28 | 2017-09-05 | 京东方科技集团股份有限公司 | Adjust method, inkjet printing methods, device and its system of inkjet-printing device |
| CN107994117A (en) * | 2017-12-08 | 2018-05-04 | 京东方科技集团股份有限公司 | Prepare method, OLED display device and the OLED display devices of OLED display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108995379A (en) | 2018-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108995379B (en) | Ink-jet printing system and method for panel manufacturing process | |
| US11489146B2 (en) | Techniques for print ink droplet measurement and control to deposit fluids within precise tolerances | |
| JP7128531B2 (en) | Precision alignment, calibration and measurement in printing and manufacturing systems | |
| US9802403B2 (en) | Techniques for print ink droplet measurement and control to deposit fluids within precise tolerances | |
| JP6472083B2 (en) | Inkjet printing apparatus and inkjet head ejection performance evaluation method | |
| EP2988940B1 (en) | Techniques for print ink droplet measurement and control to deposit fluids within precise tolerances | |
| KR20170051466A (en) | Fast measurement of droplet parameters in industrial printing system | |
| CN104260554A (en) | Ink-jet printing method and device and manufacturing method of display substrate | |
| US20050005996A1 (en) | Liquid droplet ejection apparatus, method of ejecting liquid droplet, method of manufacturing electrooptic device, electrooptic device, electronic device, and substrate | |
| JP5241243B2 (en) | Printing system and method | |
| CN107328359B (en) | Device and method for detecting ink drops | |
| JP2017094523A (en) | Ink jet printer and ink jet head discharge performance evaluation method | |
| CN113959350B (en) | Ink jet printing detection system and detection method | |
| TW200413175A (en) | Liquid droplet ejection apparatus and inspection apparatus for its inspecting drawing accuracy, workpiece and inspection apparatus for inspecting processing accuracy of its processing apparatus, and electro-optic device, and manufacturing method thereof | |
| CN102448729A (en) | Depositing drops on a substrate carried by a stage | |
| JP4320560B2 (en) | Droplet discharge device | |
| JP2007090191A (en) | Ink jet printer | |
| JP2012196604A (en) | Printing device and manufacturing device | |
| CN115246266B (en) | Printing control method, printing control device, electronic equipment and computer readable storage medium | |
| JP5301483B2 (en) | Recording head adjustment method and image recording apparatus | |
| JP2007098650A (en) | Coating apparatus | |
| JP6878157B2 (en) | Manufacturing method of droplet ejection head, manufacturing method of image forming apparatus, droplet ejection head and image forming apparatus | |
| JP2020049741A (en) | Image recording method, method for creation of data for correction, ink jet recording device, and program | |
| JP2006021104A (en) | Apparatus for discharging liquid droplet | |
| JP2019209672A (en) | Ink jet device and method of manufacturing function element using the same |
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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |