发明名称 Spatial light modulator and projector
摘要 Exemplary embodiments of the invention provide a spatial light modulator that is inexpensive, has a long life and a high light use efficiency, and with which can be obtained a high-contrast image, and a projector disposed with the spatial light modulator. Exemplary embodiments provide a spatial light modulator including a liquid crystal layer that includes plural aperture regions AP, modulates light in accordance with image signals and emits the modulated light; and microlens elements that are disposed at an incident side of the liquid crystal layer in correspondence to the aperture regions AP and condense the light made incident so that the light passes through the aperture regions AP. The microlens elements include plural focal positions f 1 and f 2 that are different per plural substantially annular portions R 1 and R 2 around an optical axis AX.
申请公布号 US2005168822(A1) 申请公布日期 2005.08.04
申请号 US20050044178 申请日期 2005.01.28
申请人 SEIKO EPSON CORPORATION 发明人 UCHIKAWA DAISUKE;YONEKUBO MASATOSHI;KAMIJIMA SHUNJI;MIZUSAKO KAZUHISA
分类号 G02F1/13;G02B3/10;G02B5/30;G02F1/1335;G03B21/00;H04N5/74;(IPC1-7):G02B27/10 主分类号 G02F1/13
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