Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1994-07-14
1997-05-13
Hjerpe, Richard
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 63, 345 68, 345 69, 345 70, 345 65, 345 72, 345 74, 345 75, 345 76, 313485, 313486, 313487, 313341, 313302, 313268, 3151693, 3151694, G09G 328
Patent
active
056297165
ABSTRACT:
A plurality of filaments are stretched in parallel on a rear plate, and an insulating plate is provided so as to cover the filaments. In the insulating plate, a plurality of through-holes are formed along the longitudinal direction of the respective filaments for exposing parts thereof. Each through-hole and phosphor layers, which are provided on the insulating layer adjacent to the through-hole, constitute one unit picture element. The respective phosphor layers in the respective picture element are installed in a plurality of cavities formed in a rib provided on a lower surface of the insulating plate, whereby separated from the neighboring phosphor layers. The respective cavities function as a discharge room, with a light-transmissive front plate, formed on the rib, as a lid and a portion of the insulating plate corresponding to the phosphor layer as a bottom. The respective discharge rooms overlap the through-hole at one end in the longitudinal direction thereof. A part of the filaments is exposed to the discharge room via the through-hole so as to act as a cathode. In addition, an anode exists respectively at the other end of the respective discharge rooms. In this manner, a luminescent panel for color video display, with a plurality of picture elements arranged in a matrix with a narrowed-pitch and a high density, is provided.
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"High-Brightness Discharge Tube Large-Scale Color Video Display System" By K. Mochizuki et al.; published Aug., 1992, partial translation of National Technical Report, vol. 38, No. 4; pp. 78-84.
EPO Search Report (94111143.7) dated Dec. 5, 1994.
Hirao Kazunori
Hirayama Toru
Ito Yukiharu
Mae Hajime
Matsubara Seiji
Hjerpe Richard
Matsushita Electronics Corporation
Tran Vui T.
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