US2021157221A1PendingUtilityA1

Electronic device and projectors

Assignee: SHARP NEC DISPLAY SOLUTIONS LTDPriority: May 25, 2018Filed: May 23, 2019Published: May 27, 2021
Est. expiryMay 25, 2038(~11.8 yrs left)· nominal 20-yr term from priority
Inventors:Ryosuke Kawase
H04N 9/3144G02F 1/133385G02F 1/1313G03B 21/2033G03B 21/006G03B 21/16G03B 21/2066
48
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Claims

Abstract

A electronic device includes blowers. Blowers cool liquid crystal panels for light modulation mounted on an illumination optical system for outputting light to a projection lens, respectively, and are disposed so that the rotation axes of motors of blowers are arranged along a first direction in which two liquid crystal panels face each other on the opposite side of liquid crystal panels from the projection lens.

Claims

exact text as granted — not AI-modified
1 . An electronic device, comprising:
 a plurality of blowers, wherein
 the plurality of blowers cool each of three liquid crystal panels, mounted on an illumination optical system for outputting light to a projection lens for light modulation, and are disposed so that a rotation axis of a motor of the blowers is arranged along a first direction in which two liquid crystal panels of the three liquid crystal panels face each other on an opposite side of the three liquid crystal panels from the projection lens side. 
   
     
     
         2 . The electronic device according to  claim 1 , wherein
 among the plurality of blowers, a distance from an air outlet of the blower for cooling the liquid crystal panel other than the two liquid crystal panels facing each other of the three liquid crystal panels to the liquid crystal panel to be cooled by the blower is shorter than a distance from an air outlet of the other blower to the liquid crystal panel to be cooled respectively.   
     
     
         3 . The electronic device according to  claim 1 , wherein
 a height of an air outlet of the blowers is the same as a height of an air outlet of the other blowers.   
     
     
         4 . The electronic device according to  claim 1 , wherein
 a position of an air outlet of the blowers in a direction perpendicular to the first direction is the same as a position of an air outlet of the other blowers in a direction perpendicular to the first direction.   
     
     
         5 . The electronic device according to  claim 1 , wherein
 each of the blowers comprises a blower fan.   
     
     
         6 . The electronic device according to  claim 1 , wherein
 the blowers are disposed at intervals at which a predetermined intake amount can be ensured.   
     
     
         7 . The electronic device according to  claim 1 , wherein
 a number of the blowers is three, and each of the three blowers cools each of the three liquid crystal panels.   
     
     
         8 . The electronic device according to  claim 1 , wherein
 air inlets of the plurality of blowers are disposed so as to face each other.   
     
     
         9 . A projector, comprising:
 an electronic device according to  claim 1 ,   the projection lens; and   a light source, wherein
 the electronic device receives light from the light source and modulates an incident light.

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