摘要:
A zoom lens module and an endoscope system including the zoom lens module are disclosed. The zoom lens module includes: a first liquid lens; a second liquid which is disposed separated from the first liquid lens; and an aperture disposed between the first and second liquid lenses. A respective focal distance of each of the first liquid lens and the second liquid lens is adjustable based on a change of at least one of the respective curvature thereof and the respective thickness thereof.
摘要:
A multi-sensing touch panel and a display apparatus using the same are provided. The multi-sensing touch panel includes: a touch pad including an input surface; at least one infrared ray source which irradiates infrared rays to the touch pad; and a camera array including a plurality of infrared ray cameras which are disposed below the touch pad and inclined with respect to a plane of the input surface.
摘要:
An electroactive polymer actuator and a method for manufacturing the electroactive polymer actuator are provided. The electroactive polymer actuator includes an actuator unit which is a laminate of a plurality of deformation layers; and a support layer which supports the actuator unit so that the actuator unit provides displacement corresponding to a voltage if the voltage is applied to the actuator unit. Therefore, it is possible to provide an electroactive polymer actuator suitable for a compact mobile device with a low driving voltage.
摘要:
A numerical aperture (NA) controlling unit and a variable optical probe including the same are provided. The NA controlling unit includes: an aperture adjustment unit which controls an aperture through which light is transmitted; and a focus control unit that is disposed in a predetermined position with respect to the aperture adjustment unit, that focuses light transmitted through the aperture, and that has an adjustable focal length. The variable optical probe includes: a light transmission unit; a collimator that collimates light transmitted through the light transmission unit into parallel light; an NA controlling unit that focuses light on a sample to be inspected; and a scanner that varies a path of light transmitted through the light transmission unit such that a predetermined region of the sample is scanned by light that passes through the NA controlling unit.
摘要:
A curvature control device includes a first fluid that has a light transmitting property and a polar property; a second fluid that has a light transmitting property; a chamber that the first fluid and the second fluid are accommodated without being mixed with each other, wherein a boundary surface between the first fluid and the second fluid comprises a first surface that is a lens surface and a second surface that induces a change in a curvature of the first surface; a first intermediate plate that is disposed in the chamber, and includes a first through-hole that forms a diameter of a lens corresponding to the first surface and a second through-hole that forms a path of the second fluid; and an electrode portion configured to generate an electric field that changes a position of the second surface.
摘要:
A multipurpose sensing apparatus and electronic equipment are provided. The sensing apparatus includes planar type compound eyes, each planar type compound eye including ommatidium arranged in a circular arc such that each ommatidium views a contact surface; three-dimensional (3D) compound eyes, each 3D compound eye including ommatidium arranged in an array such that each ommatidium views an area in front of the contact surface; and an image signal processor that is configured to determine a touch position on the contact surface based on image signals transmitted from the planar type compound eyes, and to recognize a motion of an object existing in front of the contact surface based on image signals transmitted from the 3D compound eyes.
摘要:
An image pickup device and a manufacturing method thereof are disclosed. The image pickup device includes a printed circuit board (PCB), an image sensor module, an optical lens module, a fluidic lens module, and a shutter module. The image sensor module is disposed over the printed circuit board and electrically connected to interconnection pads on the PCB. The optical lens module is disposed over the image sensor module and includes one or more lenses. The fluidic lens module is disposed over the optical lens module, has a variable focus and is electrically connected to interconnection pads on the PCB. The shutter module is disposed over the fluidic lens module, and is electrically connected to remaining interconnection pads on the PCB. The fluidic lens module and the shutter module may be connected to the interconnection pads through bumped plate springs.
摘要:
An image sensing apparatus with artificial ommatidia includes an imaging optical lens group forming a concave focal surface, an artificial ommatidia unit having a curved top surface corresponding to the concave focal surface and a flat bottom surface, and an image sensor disposed under the artificial ommatidia unit. The artificial ommatidia unit is disposed under the imaging optical lens group so that the curved top surface is coincided with the concave focal surface of the imaging optical lens group. The artificial ommatidia unit having a plurality of artificial ommatidia collects light emitting from the imaging optical lens group, and guides the light to the bottom surface thereof.
摘要:
A varifocal lens includes a hollow case having first and second sidewalls facing each other, the first and second sidewalls through which a light passes; at least one light transmission membrane partitioning an inner space of the case into at least two liquid chambers, the at least one light transmission membrane through which a light passes; at least two liquids filled in the at least two liquid chambers; at least one first operating hole formed at the first sidewall; a first actuator disposed to cover the at least one first operating hole and to pressurize the liquid contacting the first sidewall; and a controller configured to control the first actuator to change a focal distance of an optical lens consisting of the first and second sidewalls, the at least two liquids, and the at least one light transmission membrane of the case.
摘要:
A liquid optical lens which changes a focus due to a change in a shape of a translucent elastic membrane according to a change in a fluid pressure of a lens chamber and a manufacturing method thereof are provided. The liquid optical lens forms a dampproof coating membrane on the translucent elastic membrane to prevent a fluid from permeating through the translucent elastic membrane and a swelling phenomenon of the translucent elastic membrane.