Systems and methods for handheld projection displays

Details Systems and methods for handheld projection displays Systems and methods for handheld projection displays

2005-12-13

2009-10-20

Lee, Diane I (Department: 2851)

Optics: image projectors

Gun, flashlight or battery operated type

C353S032000, C353S102000, C353S084000, C353S081000, C348S771000, C349S030000, C349S062000, C349S057000, C396S113000

Reexamination Certificate

active

07604355

ABSTRACT:
Systems and methods are described employing a first lens array and a second lens array that are separated by one focal length that receives a plurality of colors signals from an X-prism and transmits to a condenser for overlapping lenslet images onto a display panel, such as a LCOS or LCD display panel. The first lens array includes a plurality of lenslets where each lenslet in the first lens array corresponds with each lenslet in a plurality of lenslets in the second lens array. The lenslets can be either refractive, defractive, or a combination of refractive and defractive.

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patent: 7216986 (2007-05-01), Ikeda et al.
patent: 2004/0070841 (2004-04-01), Bierhuizen
patent: 2004/0156130 (2004-08-01), Powell et al.

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