公开(公告)号：US10192502B2

公开(公告)日：2019-01-29

申请号：US14885718

申请日：2015-10-16

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Naoya Matsumoto ,  Takashi Inoue ,  Norihiro Fukuchi ,  Yuji Kobayashi ,  Tsutomu Hara

IPC: G09G3/36 ,  G01M11/02 ,  G09G5/10 ,  G02F1/133 ,  G02F1/1362 ,  G02F1/21

Abstract: In an apparatus for modulating light, an spatial light modulator includes a plurality of pixels and configured to modulate input light in response to a drive voltage for each of the pixels. An input value setting unit is configured to set an input value for the each of pixels. The input value is a digital value, an entire gray level of the digital value is “N”, and “N” is a natural number. A converting unit is configured to convert the input value to a control value. A control value is a digital value, an entire gray level of the control value is “M”, and “M” is a natural number greater than “N”. A driving unit is configured to convert the control value to a voltage value and drive the each of the pixels in response to the drive voltage corresponding to the voltage value.