Display device
AssigneeSharp NEC Display Solutions, Ltd.
InventorRyosuke KAWASE
Life of this patent
Estimating the term…
Abstract
Illumination optical system (101) for outputting light to a projection lens, light source unit (102) for outputting light to illumination optical system (101), and dust-proof case (103) houses illumination optical system (101) and can be divided into two housings are provided, and the dust-proof case (103) has second positioning member (105-1), (105-2) provided on the outer surface of dust-proof case (103) and fitted to and first positioning member (104-1), (104-2) provided in light source unit (102), mounting seating surface (106) provided on the outer surface of the dust-proof case (103) for screwing light source unit (102), and pinching portion (107) for sandwiching a final optical member of light source unit (102) sandwiched between two housings.
Claims10
A display device, comprising:
- an illumination optical system that outputs light to a projection lens,
- a light source unit that outputs light to the illumination optical system, and
- a dustproof case that houses the illumination optical system and can be divided into two housings, wherein
- the dust-proof case, comprises:
- a second positioning member that fits with a first positioning member provided in the light source unit provided on an outer surface of the dust-proof case,
- a mounting seat surface that screws the light source unit provided on the outer surface of the dust-proof case, and
- a pinching portion that sandwiches a final optical member that comprises a member provided in a final stage for outputting light to the illumination optical system of the light source unit between the two housings.
Dependencies are inferred from the claim text.