Transmittance control device and an image display apparatus
AssigneeNEC LCD Technologies, Ltd.
InventorTakeshi Sasaki
Life of this patent
Estimating the term…
Abstract
A transmittance control device which controls a transmittance factor, include a liquid crystal which is sandwiched with a pixel electrode and a common electrode; a control line which a predetermined control signal inputs; and an optical passive element which controls an electric potential difference on the pixel electrode and the common electrode by connecting with the control line, and the pixel electrode and changing a conduction state of the control line and the pixel electrode according to brightness of an incidence light.
Claims16
A transmittance control device which controls a transmittance factor, comprising:
- a liquid crystal which is sandwiched with a pixel electrode and a common electrode;
- a control line which a predetermined control signal inputs;
- and
- an optical passive element which controls an electric potential difference on the pixel electrode and the common electrode by connecting with the control line and the pixel electrode, and changing a conduction state of the control line and the pixel electrode according to brightness of an incidence light.
An image display apparatus which indicates an image data, comprising:
- a liquid crystal display device which emits a light according to the image data;
- and
- a transmittance control device which changes a transmittance factor according to brightness of an emitted light from the liquid crystal display device.
Dependencies are inferred from the claim text.