CN102751307A - Display capable of carrying out transparent and nontransparent conversion - Google Patents
Display capable of carrying out transparent and nontransparent conversion Download PDFInfo
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- CN102751307A CN102751307A CN2012102232131A CN201210223213A CN102751307A CN 102751307 A CN102751307 A CN 102751307A CN 2012102232131 A CN2012102232131 A CN 2012102232131A CN 201210223213 A CN201210223213 A CN 201210223213A CN 102751307 A CN102751307 A CN 102751307A
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Abstract
The invention discloses a display capable of carrying out transparent and nontransparent conversion, comprising an array substrate and further comprising a light-dimming thin film, wherein a buffering layer, a polycrystalline silicon layer, a grid electrode, a second insulating layer, a drain source layer, a third insulating layer, an anode, a pixel limiting layer, an organic light-emitting layer, a cathode and a package are arranged on one side face of the array substrate; the light-dimming thin film is arranged on the other side face of the array substrate; and the light-dimming thin film is controlled through a voltage adjusting module, so that the display can carry out the transparent and nontransparent conversion and requirements of a customer are met.
Description
Technical field
The present invention relates to the OLED technical field, particularly a kind of display that can under two kinds of patterns, show.
Background technology
Transparent demonstration is the development trend of Display Technique of future generation, and it is widely used, and can be used in mobile phone, notebook, display, show window etc.
As shown in Figure 1, be a kind of dot structure sketch map of transparent active matrix/organic light emitting display, it can be divided into two zones; First zone is the viewing area; Second zone is transparent area 4, and described viewing area is by R sub-pixel 1, G sub-pixel 2; B sub-pixel 3 constitutes, and is used for being responsible for showing this color of pixel and GTG.The metal level that shown transparent area 4 is not in the light can let bias light see through.
As shown in Figure 2, be a kind of profile of transparent OLED.It comprises that array base palte 5, resilient coating 6, polysilicon layer 7, first insulating barrier 8, grid 9, second insulating barrier 10, source-drain layer 11, the 3rd insulating barrier 12, anode 13, pixel limit layer 14, organic luminous layer 15, negative electrode 16 and encapsulate 17; Wherein, The 19th, the light that the OLED sub-pixel sends, the 18th, the light that the bias light transmission is come, so; Transparent demonstration both can display image, again can the transmission display device sees the object on opposite.The making step of this display is following:
At first on array base palte 5 (glass etc.), deposit a resilient coating 6 successively, be generally materials such as silicon nitride, silica, then continue the deposition semi-conductor layer, be generally amorphous silicon layer (a-Si).Amorphous silicon layer is adopted quasi-molecule laser annealing (ELA), solid phase crystallization (SPC) or crystallization inducing metal methods such as (MIC), convert it into polysilicon layer (P-S i).Adopt the method for photoetching then, on polysilicon layer 7, form the silicon island.Then, adopt the method for chemical vapor deposition (CVD), on silicon island and the resilient coating that is not capped, deposit gate insulation layer 8.Then, sputter the first metal layer on gate insulation layer, the method for employing photoetching forms the grid 9 of switching TFT and drive TFT respectively, then adopts the method for CVD to form interlayer insulating film 10.Adopt the method for photoetching deleting to form on insulating barrier and the interlayer insulating film in TFT grid both sides and contact.Sedimentary origin drop ply 11 on interlayer insulating film, and adopt the method for photoetching to form figure.Wherein, the source-drain electrode of TFT is electrically connected through contact hole and polysilicon layer, then, adopts the method deposition passivation insulation 12 of CVD.Adopt the method for photoetching, at the drain electrode place formation contact hole of TFT.Then adopt the method for sputter, form an anode electrode layer, and adopt the method for photoetching, form the anode layer 13 of OLED luminescence unit, the transparent anode layer is electrically connected through the drain electrode of contact hole and TFT.Then, at array base palte surface coated photoresist, and the method for employing exposure imaging, the pixel that forms luminescence unit limits layer 14.
Then, the method with vapor deposition forms organic luminous layer 15 and negative electrode 16 on anode.The method that encapsulation 17 can be adopted vapor deposition also can adopt the method for the cap of bonding glass to do encapsulation.
But the advantage of transparent demonstration also can be regarded his shortcoming sometimes as, such as being used on the display; The people on opposite can see your expression very clearly, action, and privacy is bad etc.; Simultaneously, industry is also developed a kind of display that carries out the light tight demonstration of printing opacity, and this display is realized through selecting liquid crystal cell; But because the liquid crystal cell cost of manufacture is too high thick blocked up with box, exist liquid crystal response speed to reach problems such as maximization slowly again, no matter the product of producing is from price; Properties of product, the aesthetics of outward appearance all can not satisfy client's needs.
Simultaneously, the display of prior art all is external power supplys, and very power consumption does not meet the requirement of existing economical environment-protective yet.
Therefore, how above-mentioned technical problem is solved, design a kind of display that can satisfy client's needs, be those skilled in the art's research direction place.
Summary of the invention
Main purpose of the present invention provides a kind of display that carries out transparent opaque conversion, and it is through being provided with a light modulation film, and this light modulation film makes display carry out transparent opaque conversion through an adjustment voltage module control.
Of the present invention time a purpose provides a kind of display that carries out transparent opaque conversion, and it can be used for realizing the display self-powered through on display, being equiped with the transparent solar cell film.
In order to achieve the above object; The present invention provides a kind of display that carries out transparent opaque conversion, and it comprises: array basal plate is provided with resilient coating, polysilicon layer, first insulating barrier, grid, second insulating barrier, source-drain layer, the 3rd insulating barrier, anode, pixel qualification layer, organic luminous layer, negative electrode and encapsulation on a side of described array base palte; It is characterized in that also comprise a light modulation film, it is arranged on the another side of array base palte; Described light modulation film makes display carry out transparent opaque conversion through an adjustment voltage module control.
Preferred implementation, described light modulation film is made up of two polyethylene terephthalate thin film and a matrix resin, and described matrix resin clip is in the middle of said polyethylene terephthalate thin film.
Preferred implementation, described polyethylene terephthalate thin film is coated with transparency conducting layer.
Scatter the microcapsules that are sealed with the orientation particle in the preferred implementation, described matrix resin.
Preferred implementation, described light modulation film is made up of two-layer plastic cement type polymeric membrane and polymeric particles, accompanies described polymeric particles between the described two-layer plastic cement type polymeric membrane.
Preferred implementation, described plastic cement type polymeric membrane is coated with the transparent conductive film top layer.
Preferred implementation in the light-emitting area of said display or the transparent solar cell film is housed all around, is used for realizing the display self-powered.
Preferred implementation describedly is encapsulated as the encapsulation of thin-film package or cap.
Compared with prior art, beneficial effect of the present invention is:
The present invention has a light modulation film, and it makes display both can do transparent demonstration through an adjustment voltage module control, also can do opaque demonstration, satisfies client's demand.
Display of the present invention has the transparent solar cell film, and external power supply is not realized self-powered, very energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the dot structure sketch map of existing a kind of transparent active matrix/organic light emitting display;
Fig. 2 is the profile of existing a kind of transparent OLED;
Fig. 3 can carry out the profile of the display of transparent opaque conversion for the present invention;
Fig. 4 is that display of the present invention is at light tight state one embodiment sketch map;
Fig. 5 is display light transmission state one an embodiment sketch map of the present invention;
Fig. 6 is that display of the present invention is at another embodiment sketch map of light tight state;
Fig. 7 is another embodiment sketch map of display light transmission state of the present invention.
Description of reference numerals: 1-R sub-pixel; The 2-G sub-pixel; The 3-B sub-pixel; The 4-transparent area; The 5-array base palte; The 6-resilient coating; The 7-polysilicon layer; The 8-insulating barrier; The 9-grid; The 10-insulating barrier; The 11-source-drain layer; The 12-insulating barrier; The 13-anode; The 14-pixel limits layer; The 15-organic luminous layer; The 16-negative electrode; The 17-encapsulation; The light that the transmission of 18-bias light is come; 19-is the light that the OLED sub-pixel sends; 20-light modulation film; The 21-solar battery thin film; The 22-PET film; The 23-microcapsules; 24-matrix resin; 25-plastic cement type polymeric membrane; The 26-polymeric particles.
Embodiment
Below in conjunction with accompanying drawing, do more detailed explanation with other technical characterictic and advantage to the present invention is above-mentioned.
The present invention is the improvement of on the transparent OLED of Fig. 2, carrying out, and is as shown in Figure 3, and for the present invention can carry out the profile of the display of transparent opaque conversion, it comprises:
The array base palte 5 of one integrated circuit and cabling, resilient coating 6, polysilicon layer 7, first insulating barrier 8, grid 9, second insulating barrier 10, source-drain layer 11, the 3rd insulating barrier 12, anode 13, pixel limit layer 14, organic luminous layer 15, negative electrode 16 and encapsulate 17; Wherein, Also comprise a light modulation film 20; It is arranged on the another side of array base palte 5, and described light modulation film 20 makes display carry out transparent opaque conversion through an adjustment voltage module control.
Like Fig. 4 and shown in Figure 5; Be respectively the embodiment sketch map of display of the present invention at light tight and light transmission state; Wherein, Above-mentioned light modulation film 20 can be to be made up of the matrix resin 24 that two PETs that are coated with transparency conducting layer (PET) film 22 and the microcapsules 23 that are sealed with the orientation particle intersperse among wherein, by PET the matrix resin is clipped in the middle.Not orientation of particle when not applying voltage as shown in Figure 4 is light tight state; As shown in Figure 5, when when the orientation particle applies alternating voltage, particle will orientation, becomes pellucidity.Therefore, can carry out transparent opaque conversion.
Like Fig. 6 and shown in Figure 7; Be respectively display of the present invention another embodiment sketch map at light tight and light transmission state; Above-mentioned light modulation film 20 also can be two-layer plastic cement type polymeric membrane 25, folder polymeric particles 26 between the two-layer plastic cement type polymeric membrane, and plastic cement type polymeric membrane 25 scribbles the transparent conductive film top layer; Described transparent conductive film is provided with the strip electrode that can produce uniform electric field, and this strip electrode is electrically connected with a controller through lead.Utilize the principle of incident ray scattering and transmission that glass transmission is regulated, apply voltage and be pellucidity; Outage is light tight state.
The present invention is in the light-emitting area of display or transparent solar cell film 21 is housed all around, is used for realizing to the display self-powered, and this kind design is to be monitor power supply through solar energy, meets the demand of existing energy-conserving and environment-protective.
In sum, the displaying appliance that carries out transparent opaque conversion of the present invention has following advantage:
1, the present invention has a light modulation film, and it makes display both can do transparent demonstration through an adjustment voltage module control, also can do opaque demonstration, satisfies client's demand.
2, this display has the transparent solar cell film, and external power supply is not realized self-powered, very energy-conserving and environment-protective.
The above is merely preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and in spirit that claim of the present invention limited and scope, can carry out many changes to it, revise, in addition equivalent, but all will fall in protection scope of the present invention.
Claims (8)
1. display that can carry out transparent opaque conversion; It comprises: array basal plate; On a side of described array base palte, be provided with resilient coating, polysilicon layer, first insulating barrier, grid, second insulating barrier, source-drain layer, the 3rd insulating barrier, anode, pixel qualification layer, organic luminous layer, negative electrode and encapsulation; It is characterized in that also comprise a light modulation film, it is arranged on the another side of array base palte; Described light modulation film makes display carry out transparent opaque conversion through an adjustment voltage module control.
2. a kind of display that carries out transparent opaque conversion according to claim 1; It is characterized in that; Described light modulation film is made up of two polyethylene terephthalate thin film and a matrix resin, and described matrix resin clip is in the middle of said two polyethylene terephthalate thin film.
3. a kind of display that carries out transparent opaque conversion according to claim 2 is characterized in that described polyethylene terephthalate thin film is coated with transparency conducting layer.
4. according to claim 2 or 3 described a kind of displays that carry out transparent opaque conversion, it is characterized in that, scatter the microcapsules that are sealed with the orientation particle in the described matrix resin.
5. a kind of display that carries out transparent opaque conversion according to claim 1; It is characterized in that; Described light modulation film is made up of two-layer plastic cement type polymeric membrane and polymeric particles, accompanies described polymeric particles between the described two-layer plastic cement type polymeric membrane.
6. a kind of display that carries out transparent opaque conversion according to claim 5 is characterized in that, described plastic cement type polymeric membrane is coated with the transparent conductive film top layer.
7. a kind of display that carries out transparent opaque conversion according to claim 1 is characterized in that, in the light-emitting area of said display or the transparent solar cell film is housed all around, is used for realizing the display self-powered.
8. a kind of display that carries out transparent opaque conversion according to claim 1 is characterized in that, describedly is encapsulated as the encapsulation of thin-film package or cap.
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| CN2012102232131A CN102751307A (en) | 2012-06-29 | 2012-06-29 | Display capable of carrying out transparent and nontransparent conversion |
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| CN2012102232131A CN102751307A (en) | 2012-06-29 | 2012-06-29 | Display capable of carrying out transparent and nontransparent conversion |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108231844A (en) * | 2018-01-02 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of display panel and its driving method |
| CN108336122A (en) * | 2018-03-30 | 2018-07-27 | 深圳力合光电传感股份有限公司 | A kind of display module, display system and display system production method |
| CN108630830A (en) * | 2017-03-22 | 2018-10-09 | 上海和辉光电有限公司 | Transparent OLED display panel and preparation method thereof |
| WO2019015072A1 (en) * | 2017-07-17 | 2019-01-24 | 深圳市华星光电半导体显示技术有限公司 | Array substrate, display panel, and display device |
| CN109765717A (en) * | 2019-03-20 | 2019-05-17 | 京东方科技集团股份有限公司 | Dot structure and its driving method, array substrate and display device |
| US10411041B2 (en) | 2017-07-17 | 2019-09-10 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd | Array substrate, display panel, and display device |
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Application publication date: 20121024 |