| Full color display in the field of organic, domestic and | | | | cathode), cathode printable cathode material slurry |
| foreign R & D and production companies using | | | | used, such as silver conductive plastic, gold plastic. |
| vacuum evaporation and the basic preparation of | | | | Usually fine woven mesh fabric or porous metal plate |
| screen printing technology, which is the development | | | | rack in the extended form of metal mesh. Mesh top |
| of the international mainstream technology. Vacuum | | | | with a template to seal the cathode slurry should not |
| deposition of small molecules relatively mature | | | | pass through the mesh area. Screen placed in the top |
| technology, now in its industrialization, and a small | | | | substrate, precise screen alignment after fixation, and |
| batch size of full-color display launched applications in | | | | then use the cathode slurry, using a rubber blade in |
| MP3, MP4, mobile phones and small size of TV sets | | | | the transparent areas mesh screen scraping cathode |
| and other electronic devices. However, the | | | | slurry, and then hanging from the wire to form a strip |
| technology and equipment investment and high | | | | cathode, screen printing can be used in conjunction |
| maintenance costs, material waste, it is difficult to | | | | with a variety of substrates, which can be a single |
| achieve large area and high cost, to face the harsh | | | | thick film deposition. |
| market environment, is difficult to create competitive | | | | International R & D investment to increase |
| advantage. | | | | Printing technology is conducive to large OLED |
| Resolve O LED Cost problem Printed OLED | | | | display, reduce production cost, so many famous |
| technology is considered as the high cost and | | | | international companies invested heavily in research |
| effective way to achieve large area and has a bright | | | | and development of the technology, the United |
| future, this technology can be combined with liquid | | | | Kingdom PlasticLogic company invested 100 million U.S. |
| functional materials and advanced printing equipment | | | | dollars of Dresden in Germany to build the world's |
| to produce OLED displays can enhance the material | | | | first production using printed organic Transistor As |
| utilization and production efficiency, reduce | | | | the panel display. Tokyo, Japan, information and |
| manufacturing costs, increase productivity. The most | | | | communication of large companies, "Toppan Printing |
| common printing technology with ink-jet printing | | | | Co., Ltd." (ToppanPrinting) announced a plan, it intends |
| (inkjetprinting) and screen printing (screenprinting) | | | | to build a 1 billion yen worth of pilot production lines, |
| two. The typical ink-jet printing equipment has several | | | | including the drum printing technology to study the |
| print heads, were used for printing different colors of | | | | printing process, including, for production to |
| polymer light-emitting materials, each with a number | | | | Cambridge Display Technology (CDT) of the polymer |
| of micro-nozzles, the red, green and blue light | | | | LED (PLED) technology-based display. California |
| emitting material solution were accurately deposited | | | | Add-Vision technology invented screen printing |
| ITO glass substrate isolation tank column, solvent | | | | method can achieve the hole transport layer, emitting |
| evaporation to form a nano-thin layer (thickness of | | | | layer and electron transport layer processing. DuPont |
| about 100 nm), constitutes a light-emitting pixels. | | | | Display Corporation (DuPontDisplays) president |
| Nozzle is made of piezoelectric ceramics, ceramics by | | | | WilliamF.Feehery in SID2007 reported a new |
| controlling the size and duration of applied voltage to | | | | technique, using small molecule OLED display solution |
| precisely control droplet size, which control the | | | | preparation process technology, the technology to |
| thickness of light-emitting layer, since this is a fully | | | | solve the traditional vacuum evaporation process of |
| digital technology, it does not require any processing. | | | | small molecules to bring the cost issue, while Life has |
| Inkjet printing has many advantages, such as high | | | | not solved the polymer material compliance |
| resolution, flexibility, lower cost and with almost | | | | shortcomings, caused widespread concern in the |
| compatible with all types of substrates. Another | | | | industry. At present the major international printing |
| commonly used printing technique is screen printing, in | | | | work and results focus on the printing layer |
| the preparation of OLED displays, screen printing is | | | | light-emitting materials and functional, yet prepared |
| mainly used for processing the display of the strip | | | | by printing the cathode of organic / polymer OLED |
| cathode (traditional process generally formed by | | | | display related technologies, it also can not be called |
| vacuum evaporation deposition strip of metal | | | | full printed OLED technology. |