Applied Nanotech Inc. Announces The Successful Demonstration Of A 14" Diagonal Carbon Nanotube TV

Austin, Texas – February 19, 2003 – SI Diamond Technology, Inc. (OTC BB: SIDT) today announced that its subsidiary, Applied Nanotech Inc. (ANI), has successfully demonstrated a 14" diagonal monochrome TV based on electron emission from carbon nanotubes (CNT). The 14" diagonal CNT TV was produced on low temperature glass substrates using dispensing techniques common to the printing and screen printing industries. The video images shown on the display demonstrate excellent gray scale capabilities and superb frequency response without exhibiting the motion delays that are common in current LCD TVs. The display images will be presented for the first time at Nanotech 2003 in Makuhari, Japan February 26-28, 2003 at the Mitsui & Co., Ltd. booth (see press release of January 28, 2003). ANI will continue its efforts toward extending manufacturing processes to larger display sizes.

"The new dispensing process simplifies the manufacturing method and we are confident that the process can be scaled up to large area CNT TVs. This process, combined with the HyFED's approach to the electronics, creates the potential for a low cost (comparable to a CRT) large area flat screen television" – said Dr. Zvi Yaniv, President and CEO of ANI.

"This is a major milestone for the company and its shareholders," – said Marc Eller, SI Diamond CEO. "The fact that we, as well as Samsung Corporation, have shown clear video images using electron emissions from carbon nanotubes is a huge plus for nanotechnology as a whole. This is only good news for SI Diamond and its shareholders as we continue to strengthen our patent portfolio in this area," continued Eller.

Safe Harbor Statement

This press release contains forward-looking information within the meaning of Section 27A of the Securities Act of 1933, and Section 21E of the Securities Act of 1934, and is subject to the safe harbor created by those sections. The Company's actual results could differ materially from those projected in the forward-looking information. Future results may be impacted by risk factors listed from time to time in SIDT's SEC reports. SI Diamond Technology, Inc. disclaims any intent or obligation to update forward-looking information.

SI Diamond Technology's subsidiary, Applied Nanotech, Inc. (ANI) is one of the leading nanotechnology companies utilizing the unique properties of existing elements when their size becomes nanometric. ANI has a very strong intellectual property base (almost 100 issued patents) and has an extremely strong position in the field of electron emission applications from carbon film/nanotubes. Its commercialization strategy involves the creation and utilization of new functional materials, devices and systems based on the unique function and properties of nanometric sized elements. The core competencies of ANI include: single- and multi-wall carbon nanotubes and their use in display applications (field emission displays), diode and triode type electron sources, x-ray equipment, etc., fabrication of nano-sized materials and particles, such as silicon nanocrystals, carbon nanotubes, nanowires, carbon nanotube composites, magnetic carbon nanotubes, etc., use of new nano-sized materials and nanoparticles in sensor applications for hydrogen, humidity, ammonia, and others, nano- electronic devices such as vacuum nano-transistors, ultra-capacitors, microwave matrix sources, etc.

SI Diamond Technology's website is

Company Contact:
Doug Baker
Applied Nanotech Holdings, Inc.

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