Title:
PROJECTION DEVICE
Document Type and Number:
Japanese Patent JP2020042265
Kind Code:
A
Abstract:
To provide a projection device.SOLUTION: The projection device includes a casing, an optical engine, a projection lens, a plurality of first fans, and a heat dissipating module. The casing has an air inlet and an air outlet. The optical engine is arranged in the casing and includes a plurality of heating elements. The projection lens is connected to the optical engine. The heat dissipating module is arranged in the casing and includes a first heat dissipating fin. One of the plurality of first fans is adjacent to the first heat dissipating fin, and the other one of the plurality of first fans is away from the first heat dissipating fin. There is not the first heat dissipating fin between the air inlet and the other one, away from the first heat dissipating fin, of the plurality of first fans.SELECTED DRAWING: Figure 1
Inventors:
ZHONG WEN YAN
LAI YI HAN
LAI YI HAN
Application Number:
JP2019161646A
Publication Date:
March 19, 2020
Filing Date:
September 05, 2019
Export Citation:
Assignee:
CTX OPTO ELECTRONICS CORP
International Classes:
G03B21/16; G03B21/00; H04N5/74; H04N9/31; H05K7/20
Domestic Patent References:
| JP2017164172A | 2017-09-21 |
Foreign References:
| WO2018198278A1 | 2018-11-01 | |||
| US20110157560A1 | 2011-06-30 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Shinsuke Onuki
Tadahiko Ito
Shinsuke Onuki