Lens device for forming a magnified erect image
AssigneeNippon Sheet Glass Co., Ltd.
InventorsHiroyuki Nemoto, Takashi Kishimoto
Life of this patent
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Abstract
An erect image magnifying lens device having a higher magnification is provided. The erect image magnifying lens device comprises a display element for displaying an image; a fresnel lens provided on the display element for refracting a light emitted by the display element to a direction to magnify the image; an erect image magnifying lens consisted of stacked two micro-lens arrays and positioned in opposition to the fresnel lens; and an image plane positioned in opposition to the errect image magnifying lens, on which the image from the display element is formed.
Claims11
An erect image magnifying lens device comprising:
- a display element for displaying an image;
- a first fresnel lens provided on the display element for refracting a light emitted by the display element to a direction to magnify the image;
- an erect image magnifying lens consisted of stacked two micro-lens arrays and positioned in opposition to the first fresnel lens;
- and
- an image plane positioned in opposition to the errect image magnifying lens, on which the image from the display element is formed.
An erect image magnifying lens device comprising:
- a display element for displaying an image;
- a first fresnel lens provided on the display element for refracting a light emitted by the display element to a direction to magnify the image;
- an erect image magnifying lens consisted of stacked two micro-lens arrays and positioned in opposition to the first fresnel lens;
- a second fresnel lens provided on the erect image magnifying lens for refracting the light passed through the erect image magnifying lens to a direction to further magnify the image;
- and
- an image plane positioned in opposition to the second fresnel lens, on which the image from the display element is formed.
Dependencies are inferred from the claim text.