Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Plural diverse optical devices
Patent
1977-10-12
1979-09-18
Demeo, Palmer C.
Electric lamp and discharge devices
With optical device or special ray transmissive envelope
Plural diverse optical devices
313116, 313500, 313512, H05B 3302, H05B 3322
Patent
active
041681029
ABSTRACT:
A light-emitting display device comprising a printed wiring board impressed with a wiring pattern; a light-emitting element mounted on the printed wiring board and electrically connected to the wiring pattern; a reflector provided with a penetrating hole for receiving the light-emitting element at its lower opening and disposed on the printed wiring board, the inner wall of the penetrating hole acting as a reflection plane; a light-permeable film containing light-scattering materials and closing the upper opening of the penetrating hole; and a bonding layer containing light-scattering material, the bonding layer bonding the light-permeable film to the reflector.
REFERENCES:
patent: 3243626 (1966-03-01), Helvy et al.
patent: 3552822 (1971-01-01), Altman
patent: 3648835 (1972-03-01), Yucel
patent: 3780357 (1973-12-01), Haitz
patent: 3876900 (1975-04-01), Amatsuka et al.
patent: 3919585 (1975-11-01), Schorr
patent: 3940523 (1976-02-01), Lecoeur et al.
patent: 4000437 (1976-12-01), Lederhandler et al.
patent: 4058750 (1977-11-01), Schoberl
Chida Takeo
Fujita Hiroshi
DeMeo Palmer C.
Tokyo Shibaura Electric Co. Ltd.
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