LED Display panel having bus conductors on flexible support

Details LED Display panel having bus conductors on flexible support LED Display panel having bus conductors on flexible support

1979-03-01

1980-12-23

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313511, 313512, H01L 2330, H01L 2348, H01L 3300

Patent

active

042412773

ABSTRACT:
Flat panel display device comprises a multiplicity of LED's arranged in parallel rows and parallel columns in accordance with a grid pattern. First bus conductors extend parallel to the rows and each of the LED's is electrically connected to one of the first bus conductors. Second bus conductors extend parallel to the columns and each LED is connected to one of the second bus conductors. The first and second bus conductors are on the oppositely facing surfaces of an insulating film and the LED's extend through openings in the film located on the grid pattern. Contact with the LED's is achieved by tap conductors which extend from the bus conductors to the LED's. A rigid grating is mounted against the film and has open cells which are located in accordance with the grid pattern. Each LED extends into one of the cells and the internal surfaces of the cells serve to reflect the light of the LED's towards the viewer. The grating also serves to support the film during assembly of the LED's to the film and to support the film after the LED's are assembled.

REFERENCES:
patent: 3290539 (1966-12-01), Lamorte
patent: 3290558 (1966-12-01), Sapy
patent: 3366914 (1968-01-01), McManus et al.
patent: 3440716 (1969-04-01), Dreyer
patent: 3558974 (1971-01-01), Stewart
patent: 3780357 (1973-12-01), Haitz
patent: 3886581 (1973-05-01), Katsumura et al.
patent: 3976906 (1976-08-01), Shattuck
patent: 4000437 (1976-12-01), Lederhandler et al.
patent: 4011575 (1977-03-01), Groves
patent: 4024627 (1977-05-01), Stauffer

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