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Patent Searching and Data


Title:
ILLUMINATING DEVICE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/179184
Kind Code:
A1
Abstract:
An illuminating device (200) according to the present invention is provided with: a substrate (4) having a surface, on which a plurality of light sources (3) are mounted; a housing (12), in which an opening is defined; a diffusion plate (9) that is disposed facing a bottom plate section (50) so as to close the opening; a duct (14) having an air inlet (303) and an air outlet (24); a fan (15) that generates an airflow in the duct (14); a first flow channel (P1); and a second flow channel (P2). The first flow channel (P1) communicates a space inside of the housing (12) closed by the diffusion plate (9) with the inner side of the duct (14). The housing (12) is connected to, via a first opening (55) that is provided in the bottom plate section (50) or a side plate section (52), a venturi section (140) that is formed between the air inlet (303) and the air outlet (24) of the duct (14). Without being connected to the duct (14), the second flow channel (P2) communicates the inside and the outside of the housing (12) with each other via a second opening (56) that is provided in the bottom plate section (50) or the side plate section (52).

Inventors:
TERAGAWA DAISUKE (JP)
Application Number:
PCT/JP2017/013075
Publication Date:
October 04, 2018
Filing Date:
March 29, 2017
Export Citation:
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Assignee:
SAKAI DISPLAY PRODUCTS CORP (JP)
International Classes:
F21S2/00
Foreign References:
JP2009266512A2009-11-12
JP2006073432A2006-03-16
JP2009266625A2009-11-12
JP2008034342A2008-02-14
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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