CN103901693B - A kind of color electrophoresis Electronic Paper shows film and its manufacture method - Google Patents
A kind of color electrophoresis Electronic Paper shows film and its manufacture method Download PDFInfo
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- CN103901693B CN103901693B CN201410096784.2A CN201410096784A CN103901693B CN 103901693 B CN103901693 B CN 103901693B CN 201410096784 A CN201410096784 A CN 201410096784A CN 103901693 B CN103901693 B CN 103901693B
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- microcapsules
- electronic paper
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Abstract
The invention discloses a kind of color electrophoresis Electronic Paper display film, it includes multiple subpixel electrodes, upper glass cover-plate and color electrophoresis microcapsules, wherein, multiple microfluidic channels are provided with upper glass cover-plate, deposition has the tin indium oxide consistent with its width in microfluidic channel, upper glass cover-plate with microfluidic channel is set to fix and be covered in subpixel electrode top, fluid filled with heat cure in the microfluidic channel, color electrophoresis microcapsules are mixed with the fluid of the heat cure, the wherein color electrophoresis microcapsules are packed into corresponding microfluidic channel in the way of different colors is depressurized with one end pressurization and the other end.Also disclose the manufacture method that a kind of color electrophoresis Electronic Paper shows film.The present invention is combined microflow control technique with electrophoretic electronic paper Display Technique, quickly compactly manufactures color electrophoresis microcapsules Electronic Paper.
Description
Technical field
The present invention relates to a kind of electrophoretic electronic paper, more particularly to a kind of color electrophoresis Electronic Paper display film and its manufacturer
Method.
Background technology
At present, electrophoretic electronic paper has commercially had existing product, and its main principle is to utilize colloid chemistry
In electrophoresis, add the electrodeposition paint pigments particle with charged particle in the inside of Transparent microcapsule, and microcapsules are encapsulated
Into display material, display screen can be by TFT controls.The principle of electrophoretic electronic paper display frequency is by the pigment grain with different electric charges
Attached bag is wrapped up in into microcapsules, and when the upper electric field of the pixel compartments loading between upper bottom crown, powered pigment particles will be in electric field
Effect is lower to there is electrophoretic migration, repels each other according to the same sex, and the theory that there is a natural attraction between the sexes, two different colors of pigment particles will occur
Separate, the movement of pigment particles can be controlled by the time of on-load voltage again, so as to show the different GTGs that image needs,
To reach display effect.Manufacture color electrophoresis Electronic Paper is often using the method for optical filter at this stage.The method is by controlling ash
The mode of rank, lays corresponding red above each sub-pix point（R it is) green（G）It is blue（B optical filter).When the ash of sub-pix point
After rank change, three light of sub-pix point reflection are through being combined into the color to be shown after optical filter.Such method, greatly
The thickness for limiting effect, brightness and display panel that Electronic Paper shows.For display skill reflective as Electronic Paper
Art, often increases by one layer on pixel, will all weaken display effect.And optical filter then can directly reduce by 50% light intensity.Therefore
The color that the method shows is very dim, poor user experience.
The content of the invention
Defect it is an object of the invention to overcome prior art problem, especially traditional optical filter electrophoretic electronic paper film
Color it is light, the problem of poor visual effect.The positioning conveying problem of different colours microcapsules is solved simultaneously.
To achieve these goals, the present invention provides a kind of display of color electrophoresis Electronic Paper film and its manufacture method, leads to
Microfluidic chip technology is crossed, the electrophoresis microcapsule containing different colours different subpixel electrodes can be accurately transported to
On.Thus, display system or display device can be entered via subpixel electrode to the electrophoresis microcapsule containing different colours particle
Row control.When the combination using the trichromatic electrophoresis microcapsules of RGB, by the RGB colour developing microcapsules above sub-pix point
Different gray scales show, beautiful color scheme are obtained after combination, so as to reach than prior art more preferably display effect.
In the present invention, it is straight on the tft substrate by way of microchannel and pulsometer transmission and heat cure glue
Connect manufacture color electrophoresis Electronic Paper microcapsules display film.RGB three primary colors electrophoresis microcapsules are mixed to heat-setting first
In glue, then using the fluid control mode of micro-fluidic chip, different electrophoresis microcapsules is transported to corresponding sub-pix
TFT electrodes top.Using disposable injection, then heat cure glue, finally directly obtains the electrophoretic display thin film for showing
Product.
The present invention specifically uses following technical scheme：
According to an aspect of the present invention, it is proposed that a kind of to manufacture the method that color electrophoresis Electronic Papers shows film, including
Following steps：
（1）Multiple subpixel electrodes are set；
（2）Multiple microfluidic channels are set on glass cover-plate on；
（3）The tin indium oxide consistent with the channel width is deposited in microfluidic channel；
（4）The upper glass cover-plate that microfluidic channel will be provided with is covered to subpixel electrode top, and fixed upper glass cover
Plate；
（5）Color electrophoresis microcapsules are mixed to heat-setting fluid respectively by different colors；
（6）By the way of one end pressurization and other end decompression, the fluid that will be mixed with color electrophoresis microcapsules is imported and filled
In the full microfluidic channel for having manufactured corresponding from the different color；
（7）Place on hot plate and heated；
（8）After fluid solidification, unnecessary channel part is cut away, to obtain a micro-fluidic display film.
Wherein, microflow control technique is the Study of Fluid behavior on minute yardstick and meso-scale (nanoscale), and correlation
Design and application, the technical field being made up of subjects such as physics, chemistry, micro Process and biotechnologys.
Preferably, the color electrophoresis microcapsules include RGB three primary colors electrophoresis microcapsules, and it includes the micro- glue of red electrophoresis
Capsule, green electrophoretic microcapsules and blue electrophoresis microcapsules.
Preferably, the subpixel electrode is TFT subpixel electrodes.
Preferably, on hot plate and the temperature that is heated is less than 100 degrees Celsius.
Preferably, the finished size of the micro-fluidic display film is 0.5 inch -25 inches.
According to another aspect of the invention, it is proposed that a kind of color electrophoresis Electronic Papers display film, it includes multiple Asia pictures
Plain electrode, upper glass cover-plate and color electrophoresis microcapsules, wherein, multiple microfluidic channels are provided with upper glass cover-plate, it is micro-
Deposition has the tin indium oxide consistent with its width in stream control passage, and the upper glass cover-plate with microfluidic channel is set to fix simultaneously
Subpixel electrode top is covered in, the fluid filled with heat cure in the microfluidic channel is mixed in the fluid of the heat cure
Chromatic colour electrophoresis microcapsule, the side that the wherein color electrophoresis microcapsules are depressurized by different colors with one end pressurization and the other end
Formula is packed into corresponding microfluidic channel.
Preferably, the color electrophoresis microcapsules include RGB three primary colors electrophoresis microcapsules, and it includes the micro- glue of red electrophoresis
Capsule, green electrophoretic microcapsules and blue electrophoresis microcapsules.
Preferably, the subpixel electrode is TFT subpixel electrodes.
Preferably, the heat curing temperature of the fluid of the heat cure is less than 100 degrees Celsius.
Preferably, the finished size of the micro-fluidic display film is 0.5 inch -25 inches.
Compared with prior art, the present invention has following remarkable advantage and beneficial effect：
Color electrophoresis Electronic Paper display film and its manufacture method of use microfluidic chip technology of the invention, will
Microflow control technique is combined with electrophoretic electronic paper Display Technique, quickly compactly manufactures color electrophoresis microcapsules Electronic Paper.The method
Easy to use, while saving very much electrophoresis capsule, manipulation is easy.One step is completed.Obtain film reflectivity can reach 30% with
On.Can be used for the manufacture of large scale E-paper thin film simultaneously.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail：
Fig. 1 is the flow chart that thin film fabrication is shown according to the color electrophoresis Electronic Paper of a specific embodiment of the invention；
Fig. 2 is the schematic diagram that film is shown according to the color electrophoresis Electronic Paper of a specific embodiment of the invention.
Specific embodiment
As depicted in figs. 1 and 2, it is that thin film fabrication is shown according to the color electrophoresis Electronic Paper of a specific embodiment of the invention
Flow chart and schematic diagram.Specifically manufacturing process is：
（1）Multiple TFT subpixel electrodes 8 are provided with, wherein every three subpixel electrodes 8 constitute a TFT picture for colour
Element 4.
（2）Multiple microfluidic channels 9 are set using such as photoetching process on glass cover-plate on, wherein the upper glass
Cover plate includes viewing area 5, chromatic microcapsule intake section 6 and chromatic microcapsule exit portion 7, wherein from terms of cross section, it is micro-
Stream control passage 9 forms groove, and it is towards TFT subpixel electrodes 8.Exemplarily, the width of each microfluidic channel 9 is consistent, its
Width depends on the technological limit of the display resolution size and for example current photoetching process selected, preferably more than 5 μm.
（3）The deposition tin indium oxide consistent with its width in microfluidic channel 9（ITO）, it is exemplary in practical operation
Ground, it is also possible to the glass cover-plate deposited atop indium oxide layer tin on whole, or entirely upper glass cover-plate deposition indium oxide layer
Tin, as public electrode.
（4）The upper glass cover-plate that microfluidic channel 9 will be provided with is covered to the top of TFT subpixel electrodes 8, and fixed upper glass
Glass cover plate, exemplarily, the opening of the groove that each of which microfluidic channel 9 is formed towards and positioned at corresponding every TFT it is sub-
The top of pixel electrode 8.
（5）RGB color electrophoresis microcapsule is mixed to heat-setting glue respectively by different colors, wherein RGB
Color electrophoresis microcapsules include red electrophoresis microcapsules, green electrophoretic microcapsules and blue electrophoresis microcapsules, each color
Electrophoresis microcapsule is contained within the conductive particle of the color.
（6）By the way of one end pressurization and other end decompression, such as, by a voltage indicating device, different colours will be mixed with
What the glue of electrophoresis microcapsule was delivered to and was formed full of the microfluidic channel 9 for having manufactured corresponding from the different color
In groove, concrete operations are that, according to the present embodiment, the negative pressure provided by voltage indicating device is gone out from green electrophoretic microcapsules respectively
It is pumped at mouth 11, blue electrophoresis microcapsules outlet 21 and red electrophoresis microcapsules outlet 31, so as to be mixed with the electrophoresis of corresponding color
The glue of microcapsules passes through green electrophoretic microcapsules entrance 10, blue electrophoresis microcapsules entrance 20 and red electrophoresis microcapsules respectively
Entrance 30 is disposably injected in respective microfluidic channel 9.
（7）Place on hot plate and heated, heating-up temperature is preferably less than 100 degrees Celsius.
（8）After fluid solidification, the chromatic microcapsule intake section 6 shown in Fig. 2 and chromatic microcapsule are exported
Part 7 is cut away, to obtain micro-fluidic display film.
Manufacturing method according to the invention, the high-resolution color electrophoresis Electronic Paper that can produce 0.5 inch -25 inches shows
Show film, the size of Diagonal Dimension, the various conventional screen proportions of size correspondence, such as 1:1、4:3、5:4 and 16:9 etc..
The color electrophoresis Electronic Paper display film includes multiple subpixel electrodes 8, upper glass cover-plate and the micro- glue of RGB color electrophoresis
Capsule, wherein, deposition in multiple microfluidic channels 9, microfluidic channel 9 is provided with upper glass cover-plate the oxygen consistent with its width
Change indium tin, the upper glass cover-plate with microfluidic channel 9 is set to fix and be covered in the top of subpixel electrode 8, each miniflow
Glue filled with heat cure in control passage 9, is mixed with the electricity of one of which color in RGB three primary colors in the glue of the heat cure
Swimming microcapsules, so that microfluidic channel 9 presses RGB color display arrangement.Technicolo manufactured by manufacturing method according to the invention
Swimming Electronic Paper display film, it is adaptable to reflective-mode and projection backlight mode.
The above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned implementation method, as long as
It reaches technique effect of the invention with identical means, should all belong to protection scope of the present invention.In protection model of the invention
Its technical scheme and/or implementation method can have a variety of modifications and variations in enclosing.Even if individual other technical characteristic is not
Quoted in same claim, the present invention can also include the embodiment for having these features.
Claims (10)
1. it is a kind of to manufacture the method that color electrophoresis Electronic Paper shows film, it is characterised in that to comprise the following steps：
Multiple subpixel electrodes are set；
Multiple microfluidic channels are set on glass cover-plate on；
The tin indium oxide consistent with the channel width is deposited in microfluidic channel；
The upper glass cover-plate that microfluidic channel will be provided with is covered to subpixel electrode top, and fixed upper glass cover-plate；
Color electrophoresis microcapsules are mixed to heat-setting fluid respectively by different colors；
Using one end pressurization and the other end depressurize by the way of, will be mixed with color electrophoresis microcapsules fluid import and full of with it is described
In the corresponding microfluidic channel for having manufactured of different colors；
Place on hot plate and heated；
After fluid solidification, unnecessary channel part is cut away, to obtain a micro-fluidic display film.
2. the method that manufacture color electrophoresis Electronic Paper according to claim 1 shows film, it is characterised in that the colour
Electrophoresis microcapsule includes RGB three primary colors electrophoresis microcapsules, and it includes red electrophoresis microcapsules, green electrophoretic microcapsules and blueness electricity
Swimming microcapsules.
3. the method that manufacture color electrophoresis Electronic Paper according to claim 1 shows film, it is characterised in that the sub- picture
Plain electrode is TFT subpixel electrodes.
4. the method that manufacture color electrophoresis Electronic Paper according to claim 1 shows film, it is characterised in that in heating plate
The temperature for going up and being heated is less than 100 degrees Celsius.
5. the method that manufacture color electrophoresis Electronic Paper according to claim 1 shows film, it is characterised in that the miniflow
The finished size of control display film is 0.5 inch -25 inches.
6. a kind of color electrophoresis Electronic Paper display film, it is characterised in that including multiple subpixel electrodes, upper glass cover-plate and
Color electrophoresis microcapsules, wherein, deposition in multiple microfluidic channels, microfluidic channel is provided with upper glass cover-plate wide with it
The consistent tin indium oxide of degree, the upper glass cover-plate with microfluidic channel is set to fix and be covered in subpixel electrode top,
The fluid filled with heat cure, is mixed with color electrophoresis microcapsules in the microfluidic channel in the fluid of the heat cure, wherein
Color electrophoresis microcapsules are packed into corresponding microfluidic channel in the way of different colors is depressurized with one end pressurization and the other end
It is interior.
7. color electrophoresis Electronic Paper according to claim 6 shows film, it is characterised in that the color electrophoresis microcapsules
Including RGB three primary colors electrophoresis microcapsules, it includes red electrophoresis microcapsules, green electrophoretic microcapsules and blue electrophoresis microcapsules.
8. color electrophoresis Electronic Paper according to claim 6 display film, it is characterised in that the subpixel electrode is
TFT subpixel electrodes.
9. color electrophoresis Electronic Paper according to claim 6 shows film, it is characterised in that the fluid of the heat cure
Heat curing temperature is less than 100 degrees Celsius.
10. color electrophoresis Electronic Paper according to claim 6 shows film, it is characterised in that the micro-fluidic display is thin
The finished size of film is 0.5 inch -25 inches.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096784.2A CN103901693B (en) | 2014-03-17 | 2014-03-17 | A kind of color electrophoresis Electronic Paper shows film and its manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096784.2A CN103901693B (en) | 2014-03-17 | 2014-03-17 | A kind of color electrophoresis Electronic Paper shows film and its manufacture method |
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| Publication Number | Publication Date |
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| CN103901693A CN103901693A (en) | 2014-07-02 |
| CN103901693B true CN103901693B (en) | 2017-06-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013110564A1 (en) * | 2012-01-23 | 2013-08-01 | Vlyte Innovations Limited | A method for microencapsulating electro-optical fluid |
| CN103348284A (en) * | 2011-02-10 | 2013-10-09 | 凸版印刷株式会社 | Electrophoretic display device and method for producing same |
| CN203982047U (en) * | 2014-03-17 | 2014-12-03 | 华南师范大学 | A kind of color electrophoresis Electronic Paper shows film |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI304752B (en) * | 2005-12-09 | 2009-01-01 | Ind Tech Res Inst | Multi-sample microfluidic dielectrophoresis separator |
-
2014
- 2014-03-17 CN CN201410096784.2A patent/CN103901693B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103348284A (en) * | 2011-02-10 | 2013-10-09 | 凸版印刷株式会社 | Electrophoretic display device and method for producing same |
| WO2013110564A1 (en) * | 2012-01-23 | 2013-08-01 | Vlyte Innovations Limited | A method for microencapsulating electro-optical fluid |
| CN203982047U (en) * | 2014-03-17 | 2014-12-03 | 华南师范大学 | A kind of color electrophoresis Electronic Paper shows film |
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| CN103901693A (en) | 2014-07-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jin Mingliang Inventor after: Shui Lingling Inventor after: Zhou Guofu Inventor before: Jin Mingliang Inventor before: Zhou Guofu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JIN MINGLIANG ZHOU GUOFU TO: JIN MINGLIANG SHUI LINGLING ZHOU GUOFU |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 510631 Guangdong Institute of technology, South China Normal University, Guangzhou City, the Institute of color dynamic electronic paper display technology research institute Applicant after: South China Normal University Applicant after: Shenzhen Guohua Optoelectronics Tech. Co.,Ltd. Applicant after: SHENZHEN GUOHUA OPTOELECTRONIC Research Institute Address before: 510631 Guangdong Institute of technology, South China Normal University, Guangzhou City, the Institute of color dynamic electronic paper display technology research institute Applicant before: South China Normal University Applicant before: Shenzhen Guohua Optoelectronics Tech. Co.,Ltd. Applicant before: SHENZHEN GUOHUA PHOTOELECTRIC RESEACH INSTITUTE |
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