CN102902097B - Printing type soft display screen based on aluminum coated layer - Google Patents
Printing type soft display screen based on aluminum coated layer Download PDFInfo
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- CN102902097B CN102902097B CN201210371280.8A CN201210371280A CN102902097B CN 102902097 B CN102902097 B CN 102902097B CN 201210371280 A CN201210371280 A CN 201210371280A CN 102902097 B CN102902097 B CN 102902097B
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Abstract
The invention provides a printing type soft display screen based on an aluminum coated layer. The printing type soft display screen at least comprises an electrode layer, an electric control switch layer, a substrate and a printing ink layer adhered onto the substrate. The substrate is composed of the aluminum coated layer and a soft electrode layer which are overlaid vertically, and the printing ink layer is printed on the aluminum coated layer which is composed of a paper base and aluminum films attached onto the front surface and the back surface of the paper base. A magnifying lens layer, the electric control switch layer and the electrode layer are sequentially adhered onto the printing ink layer from bottom to top. The printing type soft display screen based on the aluminum coated layer easily achieves colorization and softness, is high in reflecting rate, short in response time, low in driving voltage, simple in structure and manufacture process and low in production cost, achieves display through reflection of natural light, and is suitable for human reading.
Description
Technical field
The present invention relates to a kind of print-type flexible display screen, belong to print field, also belong to electronic applications.
Background technology
Current display technique can be divided into two large classes: a class is papery display, and its principal feature is: carry out displaying contents by reflect ambient light, is easy to colored display, and angle of visibility large (close to 180 °), medium is soft.Another kind of is the electronical displays such as CRT, LCD, LED, and its principal feature is: information can fast refresh, and rely on the luminescence of display therein to carry out displaying contents, need to consume more electric energy during work, easily make people tired during reading, medium is not soft.
People are putting forth effort the exploitation reflective flexible display of class paper (being commonly called as Electronic Paper) nearly ten years, attempt to overcome the shortcoming of aforementioned two class display techniques and retain their advantage.Developing in the world is at present E-Ink faster, Philip, IBM, the reflective flexible display of class paper based on electrophoretic techniques of the international corporations such as Bell Laboratory, its displaying principle moves sight line based on electric globule (being placed in microcapsules or the micro-cup) electrophoresis under electric field action of different colours (be substantially at present white and black) to present two kinds of diverse colors to the reflection of external ambient light, but also there is response speed slow (hundreds of millisecond) in this kind of display screen, be difficult to realize colored (realizing colour with different optical filter), a series of problems needing to solve such as production cost is high.
Summary of the invention
The invention provides a kind of print-type flexible display screen based on aluminium coated, solve above-mentioned deficiency of the prior art, it is not only easy to colorize, fast response time, cost is low, manufacturing process is relatively simple, be applicable to large-scale production.And its reflectivity is high.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is:
A kind of print-type flexible display screen based on aluminium coated, the printing ink layer at least comprising electrode layer, electric-controlled switch layer, basic unit and be attached in basic unit, described basic unit is made up of the aluminium coated of stacked on top of one another and flexible electrode layer, and printing ink layer is undertaken the printing of on aluminium coated; The top of printing ink layer is attached with from bottom to up successively amplifies mirror layer, electric-controlled switch layer and electrode layer, and described aluminium coated is the material adopting following technique obtained: be greater than 1.33 × 10 in vacuum tightness
2under the condition of Pa, aluminium wire is heated to 1300 DEG C ~ 1400 DEG C be vaporized after and be attached on paper substrate and form aluminium film.
Described aluminium wire adopts the type of heating such as resistance, high frequency or electron beam to heat.
In described aluminium coated, paper substrate carried out coating processing, and paper substrate adopts art paper, white board or paperboard.
Electrode layer is attached with diffuse reflector, and diffuse reflector is matt film or the gloss oil layer with diffuse reflection function.
Diffuse reflector is attached with protective seam, and protective seam is acrylic resin thin layer or aluminum oxide film layer.
Electrode layer is the ITO conductive film being carved with electrode matrix.
Printing ink layer is on aluminium coated, produce printing ink layer that is yellow, pinkish red or cyan ink dot matrix with UV ink printing.
Electric control optical switch layer is polymer dispersed liquid-crystal film layer.
The thickness of described display screen is no more than 5mm.
Print-type flexible display screen based on aluminium coated provided by the invention has following advantage:
1, the print-type flexible display screen based on aluminium coated provided by the invention adopts printing-ink technology as black and white and the colored basis shown, and adopts fm screening mode ripe in printing technology, can obtain higher resolution, improve output accuracy.Utilize the color vision mixing principle in printing, superposed by printing dot matrix reflected light and obtain various color, the solution technology of colored display is comparatively ripe, and implementation method is effectively simple and gradation is abundant simultaneously.
2, the print-type flexible display screen based on aluminium coated provided by the invention is using Polymer Dispersed Liquid Crystal (PDLC) film as electric control optical switch, response time can shorten within 40ms, driving voltage can be reduced to 25v, is obviously better than the E-INK technology (response time is about 150ms, driving voltage is about 90v) of current main flow.In addition, PDLC film does not need polaroid, exists and preparation technology easily realizes with solid film form, and be applicable to the technological process of roll-to-roll (Roll-to-Roll) continuity, manufacture craft is simple, and production cost is low, is applicable to large-scale production.And using electro-optic crystal as the display screen of electric control optical switch, although the response time is short, driving voltage higher (being about 443v), and the complicated process of preparation of solid film, cost is high.By comparison, display screen of the present invention all has clear superiority in driving voltage, manufacture craft and production cost etc.
3, adopt at present TFT substrate as the display screen of electrode, because TFT substrate is a thin film transistor (TFT), not only complex structure, cost are high, and are mainly applicable to the transmissive operation mode of backlight.And display screen of the present invention adopts ITO conductive film as control electrode, structure is more simple, cost is low, realize display by the reflection of natural light, do not need special light source, more meet human eye reading habit, in addition adopt matt film or there is diffuse reflection function gloss oil as diffuse reflector, can eliminate reflective, improve contrast, improve reading comfort degree.
4, flexible electrode layer of the present invention, aluminium coated, electrode layer, electric control optical switch layer and diffuse reflector and protective seam etc. adopt film, and the integral thickness of display screen is no more than 5mm, make display screen quality light, be easy to flexibility.
5, adopt aluminium coated as the carrier of ink of undertaking the printing of in the present invention, because aluminium coated has metallic character, the approximate minute surface in its surface, therefore, it is possible to improve the reflectivity of this flexible display screen.
Accompanying drawing explanation
Fig. 1 is the structural representation of the print-type flexible display screen based on aluminium coated provided by the invention;
Embodiment
Below in conjunction with accompanying drawing, detailed specific description is done to the present invention.
As shown in Figure 1, printing ink layer is attached in basic unit the structure of the print-type flexible display screen based on aluminium coated provided by the invention, and basic unit is made up of the aluminium coated of stacked on top of one another and flexible electrode layer, and printing ink layer is undertaken the printing of on aluminium coated; The top of printing ink layer is attached with from bottom to up successively amplifies mirror layer, electric-controlled switch layer and electrode layer.Described electrode layer is attached with diffuse reflector, diffuse reflector is attached with protective seam.The integral thickness of this display screen is no more than 5mm.
The preparation technology of the aluminium coated in the present embodiment is as follows: first choose art paper, white board or paperboard as paper substrate, and carry out coating processing to paper substrate surface, then paper substrate is put into vacuum aluminum-plating machine, be greater than 1.33 × 10 in vacuum tightness
2under the condition of Pa, be attached on paper substrate and form aluminium film after aluminium wire high-frequency heating to 1400 DEG C is vaporized, thus obtained aluminium coated.In the present embodiment, aluminium wire can also adopt the type of heating of resistance or electron beam to heat.
Diffuse reflector is matt film or the gloss oil layer with diffuse reflection function, adopts matt film in the present embodiment, and this layer is reflective for eliminating, and improves the reading effect of display screen.The film that protective seam adopts protection display screen to damage from outside scratch, steam, oxygen and illumination etc., such as acrylic resin film, aluminum oxide film etc.; Electrode layer is for being carved with the ITO conductive film of electrode matrix; Because aluminium coated has metallic character, the approximate minute surface in its surface.Therefore, aluminium coated absorbability is little, can bring dry problem with common ink printing, therefore uses the ink dot matrix of UV ink printing Huang, magenta, cyan.Electric control optical switch layer adopts Polymer Dispersed Liquid Crystal (PDLC) film, and this layer is the display control switch of display screen, and realize colored display by the CMYK colored ink dot matrix controlled on printing ink layer, in general, electric control optical switch layer is thicker, and contrast is higher.
Print-type flexible display screen based on aluminium coated provided by the invention is easy to realize colorize and flexibility, response time is short, driving voltage is low, and structure and manufacture craft are simpler, and production cost is low, and by natural light reflect realize display, be more suitable for human eye read.
Claims (7)
1. the print-type flexible display screen based on aluminium coated, the printing ink layer at least comprising electrode layer, electric-controlled switch layer, basic unit and be attached in basic unit, it is characterized in that: described basic unit is made up of the aluminium coated of stacked on top of one another and flexible electrode layer, and printing ink layer is undertaken the printing of on aluminium coated; The top of printing ink layer is attached with from bottom to up successively amplifies mirror layer, electric-controlled switch layer and electrode layer, and described aluminium coated is the material adopting following technique obtained: be greater than 1.33 × 10 in vacuum tightness
2under the condition of Pa, aluminium wire is heated to 1300 DEG C ~ 1400 DEG C be vaporized after and be attached on paper substrate and form aluminium film; Described aluminium wire adopts the type of heating such as resistance, high frequency or electron beam to heat; In described aluminium coated, paper substrate carried out coating processing, and paper substrate adopts art paper, white board or paperboard.
2. the print-type flexible display screen based on aluminium coated according to claim 1, is characterized in that: electrode layer is attached with diffuse reflector, and diffuse reflector is matt film or the gloss oil layer with diffuse reflection function.
3. the print-type flexible display screen based on aluminium coated according to claim 2, is characterized in that: diffuse reflector is attached with protective seam, and protective seam is acrylic resin thin layer or aluminum oxide film layer.
4. the print-type flexible display screen based on aluminium coated according to claim 1 and 2, is characterized in that: electrode layer is the ITO conductive film being carved with electrode matrix.
5. the print-type flexible display screen based on aluminium coated according to claim 1, is characterized in that: printing ink layer is on aluminium coated, produce printing ink layer that is yellow, pinkish red or cyan ink dot matrix with UV ink printing.
6. the print-type flexible display screen based on aluminium coated according to claim 1, is characterized in that: electric control optical switch layer is polymer dispersed liquid-crystal film layer.
7. the print-type flexible display screen based on aluminium coated according to claim 1, is characterized in that: the thickness of described display screen is no more than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210371280.8A CN102902097B (en) | 2012-09-28 | 2012-09-28 | Printing type soft display screen based on aluminum coated layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210371280.8A CN102902097B (en) | 2012-09-28 | 2012-09-28 | Printing type soft display screen based on aluminum coated layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102902097A CN102902097A (en) | 2013-01-30 |
| CN102902097B true CN102902097B (en) | 2015-05-13 |
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| CN201210371280.8A Expired - Fee Related CN102902097B (en) | 2012-09-28 | 2012-09-28 | Printing type soft display screen based on aluminum coated layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113156687A (en) * | 2021-03-24 | 2021-07-23 | 深圳市蔚来芯科技有限公司 | Flexible electronic paper electronic display device and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069505Y (en) * | 2007-07-13 | 2008-06-04 | 比亚迪股份有限公司 | Dual-face display |
| CN101290448A (en) * | 2008-06-03 | 2008-10-22 | 武汉大学 | Flexible electric shock window type electronic paper |
| CN201707518U (en) * | 2010-05-29 | 2011-01-12 | 比亚迪股份有限公司 | Unidirectional perspective dimmer membrane and dimmer glass |
| CN102269889A (en) * | 2011-07-21 | 2011-12-07 | 北京三五九投资有限公司 | Printed flexible display screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070085837A1 (en) * | 2005-10-17 | 2007-04-19 | Eastman Kodak Company | Touch input device with display front |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069505Y (en) * | 2007-07-13 | 2008-06-04 | 比亚迪股份有限公司 | Dual-face display |
| CN101290448A (en) * | 2008-06-03 | 2008-10-22 | 武汉大学 | Flexible electric shock window type electronic paper |
| CN201707518U (en) * | 2010-05-29 | 2011-01-12 | 比亚迪股份有限公司 | Unidirectional perspective dimmer membrane and dimmer glass |
| CN102269889A (en) * | 2011-07-21 | 2011-12-07 | 北京三五九投资有限公司 | Printed flexible display screen |
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