Electric lamp and discharge devices – Cathode ray tube – Screen
Reexamination Certificate
2007-08-21
2007-08-21
Chen, Shih-Chao (Department: 2821)
Electric lamp and discharge devices
Cathode ray tube
Screen
Reexamination Certificate
active
10664701
ABSTRACT:
A flat display panel (MPDP) of the emissive plasma pixel element type for scanned television image reproduction is disclosed yielding bright, efficient and rugged displays for TV applications by use of MEMS and VLSI technology for fabrication. The invention takes a commplete system approach towards designing a high efficiency television display of the mini type for portable applications. A main objective of the present invention is to overcome problems inherent in X-Y matrix scanning of the picture elements in a flat display screen. A simplified addressing method eliminates the need for conventional X-Y matrix addressing of 1200 conductors. By means of the invention a gaseous electric discharge causes a visible light pixel to move progressively and recurrently along a series of adjacent electrodes by application of voltage impulses so as to achieve interlaced scanning. Improved construction technology to achieve very small pixel elements is a feature of the inventive struture. This is particularly advantegeous for HDTV applications where pixel sizes need to be small (20 urn) for a MPDP. Another major advantage of the contruction is that sealed cavities allows morre than one atmosphere gas pressure providing substatially improved light emission. This significantly improves the brightness of MPDP displays and enables improved projection displays as well a useful scanned high intensity micro-lamp rear lighting illumination for conventional LED flat screen display device.
REFERENCES:
patent: 5777436 (1998-07-01), Lepselter
patent: 5962975 (1999-10-01), Lepselter
patent: 5990620 (1999-11-01), Lepselter
patent: 6072273 (2000-06-01), Schoenbach et al.
A Minh Dieu
Chen Shih-Chao
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