Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1998-04-14
2000-11-28
Thompson, Gregory
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
362218, H05H 720
Patent
active
061543624
ABSTRACT:
A display apparatus provided with display cells wherein LEDs are arranged in dot-like array within a case and molded by a mold portion within the case, and a unit portion accommodating therein a cell substrate on which the display cells are mounted. Further, there are provided ventilation holes formed so as to penetrate the display cells at prescribed positions in a direction from rear to front, a fan which is provided in an upper part of a rear surface of the unit portion can send cooling air into the unit portion and an opening portion formed at a bottom surface of the unit portion, thereby making it possible to discharge the cooling air sent by the fan to outside from the ventilation holes through the opening portion. Further, a penthouse unit is provided in front of the display cells and the cooling air discharged from the ventilation holes is caused to be returned to a side of the LEDs.
REFERENCES:
patent: 3054032 (1962-11-01), Sabins
patent: 4177502 (1979-12-01), Hiscock
patent: 5119174 (1992-06-01), Chen
patent: 5993027 (1999-11-01), Yamamoto et al.
Igarashi Kimizo
Kojima Toshihisa
Nakagawa Hideaki
Takahashi Hitoshi
Maioli Jay H.
Sony Corporation
Thompson Gregory
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