Title:
IMAGE DISPLAY LIGHT GENERATION PART ASSEMBLY FOR IMAGE DISPLAY DEVICE, AND IMAGE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2014206571
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an image display light generation part assembly for an image display device, which realizes the image display device that obtains high contrast high image quality at low cost.SOLUTION: A 1/4 wavelength plate 239 mutually exchanges a linear polarization and circular polarization. The 1/4 wavelength plate 239 is attached to an aperture mask 270 so as to cover one face side of a first opening defining an emission area for circular polarization transmitted through the 1/4 wavelength plate 239. A printed board 250 has an image display element 240 that generates image display light. A mounting base 260 has a second opening serving as an optical path. An aperture mask 270 is mounted so as to cover the first face side of a second opening. The printed board 250 is mounted such that the image display element 240 is located in the second opening and covers the entire second face side of the second opening. A wavelength plate mask 211 has a third opening that defines the area of emission to the 1/4 wavelength plate.
Inventors:
MUKOYAMA TATSUYA
Application Number:
JP2013082808A
Publication Date:
October 30, 2014
Filing Date:
April 11, 2013
Export Citation:
Assignee:
JVC KENWOOD CORP
International Classes:
G02B27/01; B60K35/00; G02B5/30; G02B17/08; G02B19/00; G02F1/13
Domestic Patent References:
| JP2006011041A | 2006-01-12 | |||
| JP2003177382A | 2003-06-27 | |||
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Foreign References:
| WO2011147501A2 | 2011-12-01 | |||
| US20120182610A1 | 2012-07-19 |