Electro-optical device, method for driving the same, and electronic machine

An electro-optical device, liquid crystal driving technology, applied in electrical components, color TV parts, optics, etc., can solve the problems of difficult driving frequency and lighting period setting, not taking into account color disorder, shortening the liquid crystal voltage holding period, etc.
CN101308640AInactive Publication Date: 2008-11-19SEIKO EPSON CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SEIKO EPSON CORP
Publication Date
2008-11-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides an electro-optical device and a drive method thereof and an electronic device. The electro-optical device can inhibit the color splitting caused by the drive of the color order to achieve the great color development and gray-tone response. The electro-optical device uses the color order drive way of light source for three light sources for processing the full-color development. The liquid crystal drive unit that divides on a temporal axis one field into subfields and that, during the subfields, applies either an on-voltage or an off-voltage to picture elements of a liquid crystal display in accordance with gradation of the picture elements during the one field. A light source control unit sequentially switches the three light sources, and switches at least two of the three light sources at a switching period that is shorter than a time duration required to exhibit, in the picture elements during the one field, gradation of each color corresponding to each of the at least two of the three light sources. The invention controls the shift of the light source which makes the shifting period of the light source is shorter than the liquor crystal composing grey in the pixels. According to the electro-optical device, the invention can inhibit the color splitting caused by the drive of the color order without reducing the brightness to achieve the great color development and gray-tone response.
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Description

technical field

[0001] The present invention relates to an electro-optic device driven by a so-called color sequential driving method, a driving method thereof, and an electronic device. Background technique

[0002] Conventionally, there are known projectors and the like that use solid-state light sources such as LDs and LEDs, and are driven by a so-called color sequential driving method (field sequential method). This color sequential driving method is a driving method for displaying an image by switching the light source color in time division, and the individual color components projected on the retina are mixed by the integration function of the human eye to perceive full color. As is well known, in this driving method, when the eyes are moved or the like, the color components cannot be mixed, so a color break phenomenon occurs.

[0003] Here, when color sequential driving is performed in a single-panel liquid crystal projector, due to the influence of the response tim...

Claims

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