Variable-optical-property element
An optical apparatus includes a variable optical-property element to change its optical properties by applying an electric or magnetic field or temperature to a liquid crystal. In this way, the optical apparatus is reduced in thickness, and can be used in a camera, a microscope, etc.
1. An optical apparatus comprising:
a lens; a variable optical-property element;
a drive circuit that drives the variable optical-property element;
a stop;
a display element;
an image sensor; and
an electronic circuit,
wherein at least one of the image sensor, the display element and the electronic circuit is arranged on a substrate, and
wherein the optical apparatus is constructed and arranged such that an image formed by the lens and the variable optical-property element is picked up by the image sensor to be displayed as a picture on the display element.
2. An optical apparatus comprising:
a lens; a variable optical-property element;
a drive circuit that drives the variable optical-property element;
a stop;
a display element;
an image sensor; and
an electronic circuit;
wherein at least two of the image sensor, the display element and the electronic circuit are arranged on a substrate, and
wherein the optical apparatus is constructed and arranged such that an image formed by the lens and the variable optical-property element is picked up by the image sensor to be displayed as a picture on display element.
3. An optical apparatus comprising:
a lens;
a variable optical-property element;
a drive circuit that drives the variable optical-property element;
a stop;
a display element;
an image sensor; and
an electronic circuit,
wherein the image sensor and at least one of the display element and the electronic circuit are arranged on a substrate, and
wherein the optical apparatus is constructed and arranged such that an image formed by the lens and the variable optical-property element is picked up by the image sensor to be displayed as a picture on the display element.
4. An optical apparatus comprising:
a lens;
a plurality of variable optical-property elements;
a drive circuit that drives the plurality of variable optical-property elements;
a stop;
a display element;
an image sensor; and
an electronic circuit,
wherein at least on of the image sensor, the display element and the electronic circuit is arranged on a substrate,
wherein the optical apparatus is constructed and arranged such that an image formed by the lens and the plurality of variable optical-property elements is picked up by the image sensor to be displayed as a picture on the display element, and
wherein an optical system having the plurality of variable optical-property elements has a zooming function.
5. An optical apparatus comprising:
a lens;
a variable optical-property element;
a drive circuit that drives the variable optical-property element;
a stop;
a display element;
an image sensor;
an electronic circuit;
a microprocessor; and
a memory, wherein,
at least one of the image sensor, the display element and the electronic circuit is arranged on a substrate; and
wherein the optical apparatus is constructed and arranged such that an image formed by the lens and the variable optical-property element is picked up by the image sensor to be displayed as a picture on the display element.
6. An optical apparatus comprising:
a lens;
a variable optical-property element;
a drive circuit that drives the variable optical-property element;
a stop;
a display element;
an image sensor; and
an electronic circuit,
wherein at least one of the image sensor, the display element and the electronic circuit is arranged on a substrate,
wherein the optical apparatus is constructed and arranged such that an image formed by the lens and the variable optical-property element is picked up by the image sensor to be displayed as a picture on the display element; and
a surface of the image sensor and a surface of the display element arc oriented in directions opposite to one other.
7. An optical apparatus comprising:
a lens;
a variable optical-property element;
a drive circuit that dives the variable optical-property element;
a stop;
a display element;
an image sensor; and
an electronic circuit,
wherein at least one of the image sensor, the display element and the electronic circuit is arranged on a substrate,
wherein the optical apparatus is constructed and arranged such that an image formed by the lens and the variable optical-property element is picked up by the image sensor to be displayed as a picture on the display element, and
wherein the variable optical-property element has a focusing function.
8. An optical apparatus according to any one of claims 1 through 7 , wherein the optical apparatus has a plate shape.