Thin Film Transistor-Addressed Display Device

Having achieved an operational 6x6 inch 20 1pi TFT-EL display the program has now been oriented to examine a major improvement in resolution (to 30 1pi) and in overall performance. This report describes initial design and fabrication of the 6x6 inch 30 1pi TFT-EL display. This will contain approxima...

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Bibliographic Details
Main Authors: Brody,Thomas P, Luo,Fang C, Davies,David H, Szepesi,Zoltan P, Greeneich,Edward W
Format: Report
Language:English
Subjects:
DISCRETE DISTRIBUTION
Electrical and Electronic Equipment
ELECTROLUMINESCENCE
Electroluminescent panels
MATRIX DISPLAYS
THIN FILMS
TRANSISTORS
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Summary:Having achieved an operational 6x6 inch 20 1pi TFT-EL display the program has now been oriented to examine a major improvement in resolution (to 30 1pi) and in overall performance. This report describes initial design and fabrication of the 6x6 inch 30 1pi TFT-EL display. This will contain approximately 30,000 individually addressable elements with a 33 mils center-to-center spacing. In addition the design includes some significant design changes to increase the elemental 'lit' area. Further detailed characterization on the 6 x 6 inch 20 1pi display panel is also reported. Improved brightness and legibility in high brightness ambient has been achieved. Further power measurements confirm the initial data which indicated a low power dissipation level in the TFT-EL panel compared to other flat panel display technologies. The achievement of virtual operational perfection in the 6x6 inch 20 1pi (12,000 element) display is reported. See also report dated Mar 76, AD-A023 814.