Title:
IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/011251
Kind Code:
A1
Abstract:
To reduce power consumption while reducing speckle noise. Disclosed is an image display device, wherein: a waveform-pattern selecting section selects a waveform pattern (PT1) including at least one ON period if the tone-to-be-displayed is lower than a given threshold, and selects a waveform pattern (PT2) in which the ON period is divided more finely than in the waveform pattern (PT1) if the tone-to-be-displayed is higher than or equal to the threshold; and a laser beam source emits a laser beam having an output level corresponding to the tone-to-be-displayed in accordance with the selected waveform pattern (PT1 or PT2).
Inventors:
NISHIOKA, Ken (7-1, Nakagaito 7-chome, Daito-sh, Osaka 13, 〒5740013, JP)
Application Number:
JP2011/003967
Publication Date:
January 26, 2012
Filing Date:
July 11, 2011
Export Citation:
Assignee:
FUNAI ELECTRIC CO., LTD. (7-1 Nakagaito 7-chome, Daito-shi Osaka, 13, 〒5740013, JP)
船井電機株式会社 (〒13 大阪府大東市中垣内７丁目７番１号 Osaka, 〒5740013, JP)
船井電機株式会社 (〒13 大阪府大東市中垣内７丁目７番１号 Osaka, 〒5740013, JP)
International Classes:
G09G3/02; G02B27/48; H01S5/042
Attorney, Agent or Firm:
MORIYAMA, Tatsuo et al. (Ebisu-3rd Bldg.8F, 7-10 Ebisu-nishi 2-chome, Shibuya-k, Tokyo 21, 〒1500021, JP)
Claims: