Patent ID: 8794772

Claim:
A proximity projection-type projector comprising: a housing; a dust-proof cover arranged on a top portion of the housing; a projection unit arranged within the housing, wherein the projection unit projects projection light though the dust-proof cover on the housing toward a screen disposed outside the housing; and an anti-reflection film formed on a light incident surface of the dust-proof cover, wherein the light incident surface of the dust-proof cover and the anti-reflection film together comprise a flat surface which is perpendicular to a surface of the screen on which the projection light is projected, wherein dust-proof cover has a substantially uniform thickness and a plurality of areas including a central portion and peripheral portions adjacent to the central portion, wherein the peripheral portions are bent toward the side where the projection light is incident, wherein the projection unit includes a wide-angle light forming reflector that converts the projection light into wide-angle light, wherein the anti-reflection film covers the plurality of areas of the dust-proof cover including the central port and the peripheral portions; and wherein the peripheral portions are bent and inclined to the central portion by approximately 90 degrees.