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eMagin announces 2 new patents for FPD enhancement

Posted: 27 Aug 2003 ?? ?Print Version ?Bookmark and Share

Keywords:eMagin? flat panel display? lcd? oled display?

eMagin Corp. has been granted two patents by the U.S. Patent and Trademark Office for inventions which can enhance the energy efficiency and the environmental stability of flat panel displays (FPDs). The issued patents are entitled "Inorganic-Based Color Conversion Matrix Element For Organic Color Display Devices And Method Of Fabrication," and "Apparatus And Method For Solder-Sealing An Active Matrix Organic Light Emitting Diode."

According to eMagin, the inorganic color conversion matrix (CCM) patent represents a breakthrough innovation by eliminating the need for application of a color filter, similar to those used in LCDs, and could potentially improve the energy efficiency of light generation by a factor of 3. The new OLED display device described in the patent incorporates an addressable 2D matrix of OLEDs that emits monochrome light, a CCM element capable of absorbing the monochrome light and re-emitting that light at different wavelengths, and cover element.

Meanwhile, the sealing patent describes a new apparatus and method of solder-sealing an active matrix OLED display, using a solid-state laser beam in one variation, which permits a hermetic seal to be made at reasonable costs on a wide variety of substrate types including silicon, glass, plastic, or metal. Alternative sealing techniques currently in use by many companies employ adhesive seals that can permit water to diffuse into the display, especially under hot and moist conditions. This invention brings potential benefits to medium and large size OLED displays and is useful for sealing moisture sensitive electronics such as video displays that are used in rugged or tropical environment applications.

Both inventions are potentially applicable to a large number of electronic device applications and display sizes, and are useful for OLEDs and other varieties of FPDs.





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