Patent application number | Description | Published |
20090207622 | LIGHTING SYSTEM - A lighting system is provided that includes: an optical device including a cylindrical lens made up of a liquid lens, an emission unit including an axis line in the Z-axis direction, and a reflecting mirror configured to reflect light emitted from the emission unit. The cross-sectional shape of a light reflecting portion when cutting away the reflecting mirror at a virtual plane perpendicular to the Z axis is a part of a parabola. The axis line of the emission unit is positioned between the vertex-of the parabola and a focal point. Thus, there is provided a lighting system in which an optical device, which is made up of a liquid lens employing an electrowetting phenomenon, having an arrangement and configuration whereby high optical power can be obtained. | 08-20-2009 |
20090268303 | LENS ARRAY - A lens array capable of making the characteristics of lens elements uniform is provided. A lens array | 10-29-2009 |
20100020407 | LIQUID LENS APPARATUS AND MANUFACTURING METHOD OF THE SAME - Disclosed is a liquid lens apparatus. The liquid lens apparatus includes a liquid lens element and a fixing jig. The liquid lens element includes a main body, a lens surface, and a sealing portion, the main body including a first substrate, a second substrate, and a third substrate that is disposed between the first substrate and the second substrate and forms a liquid chamber, the lens surface being formed of an interface between two liquids which are contained in the liquid chamber and have different refractive indexes and being capable of being electrically deformed, the sealing portion hermetically sealing the main body. The fixing jig is engaged with the first substrate and the second substrate, the first substrate and the second substrate sandwiching the third substrate. | 01-28-2010 |
20100195190 | LENS ARRAY DEVICE AND IMAGE DISPLAY DEVICE - A lens array device and an image display device using the lens array device, which allow a lens effect characteristic different from that of a single variable lens array to be easily obtained, are provided. The lens array device includes a variable lens array and a fixed lens array. The variable lens array includes a plurality of variable lenses each having electrically-adjustable refracting power. The fixed lens array includes a plurality of fixed lenses each provided in correspondence to each of the plurality of variable lenses. Each of the fixed lenses has a refracting power which, once a corresponding variable lens has come to have a first refracting power, allows the first refracting power to be cancelled out. | 08-05-2010 |
20100232028 | OPTICAL ELEMENT AND LENS ARRAY - A lens array is provided. A manufacturing process is facilitated and micro fabrication can be performed. In addition, variation in an optical axis that depends on the processing accuracy and decentering of a droplet in the voltage-driven state is suppressed. In a lens array, a plurality of pyramidal recesses that receive droplets are two-dimensionally formed in a sealed cell in which first liquid that is conductive and second liquid (droplet) that is insulative are contained without being mixed with each other. Since the recesses are formed in a pyramidal shape, the centering performance of the droplets placed in the recesses can be improved and variation in optical axes of lens elements formed of interfaces of the droplets can be suppressed. In addition, the optical axes can be stably positioned and decentering of the droplets in the voltage-driven state can be suppressed. Furthermore, micro fabrication can be facilitated compared to the case in which the recesses are conical, and the recesses can be densely arranged. | 09-16-2010 |
20100254021 | LIQUID LENS DEVICE AND MANUFACTURING METHOD THEREFOR - A manufacturing method for a liquid lens device includes the steps of: preparing a body having a liquid chamber, a conductive first liquid stored in the liquid chamber, an insulating second liquid stored in the liquid chamber, and a hollow electrode pipe for making the communication between the inside and the outside of the liquid chamber, the liquid chamber being defined by a first transparent substrate on which an electrode layer is formed, a second transparent substrate opposed to the first transparent substrate, and an annular sealing member interposed between the first transparent substrate and the second transparent substrate; applying pressure to the first and second transparent substrates to thereby compress the sealing member and discharge the first liquid from the second end of the hollow electrode pipe; and closing the second end of the hollow electrode pipe. | 10-07-2010 |
20100271709 | OPTICAL DEVICE, ELECTRONIC APPARATUS, AND METHOD OF MANUFACTURING OPTICAL DEVICE - Disclosed herein is an optical device including: a light-transmitting first main body which constitutes a part on a light incidence side; a light-transmitting second main body which constitutes a part on a light outgoing side; a third main body which is stacked between the first main body and the second main body in a second direction orthogonal to the first direction, and which defines a liquid chamber between the first main body and the second main body; a lens surface which is formed by an interface between a plurality of liquids differing in refractive index and sealed in the inside of the liquid chamber, and which is electrically deformable; and a jig which clamps the mutually stacked first main body, second main body, and third main body in the second direction by the third engaging part and the fourth engaging part. | 10-28-2010 |
20100277923 | LIQUID LENS ELEMENT AND ILLUMINATION APPARATUS - Disclosed is a liquid lens element. The liquid lens element includes a main body, a lens surface, and a first reflection surface. The main body has a light incident surface and a light exiting surface and includes a liquid chamber formed therein. The lens surface changes orientation of light that exits the light exiting surface by being electrically deformed, and the lens surface is formed of an interface between two liquids that are contained in the liquid chamber and have different refractive indexes. The first reflection surface reflects part of light that enters the light incident surface toward an optical axis of the lens surface, and the first reflection surface is provided to the main body. | 11-04-2010 |
20100302646 | LIQUID LENS DEVICE AND MANUFACTURING METHOD THEREFOR - A manufacturing method for a liquid lens device includes: preparing a body having a liquid chamber, a conductive first liquid stored in the liquid chamber, an insulating second liquid stored in the liquid chamber, an electrode kept in contact with the first liquid, and a liquid discharge passage for making the communication between the inside and the outside of the liquid chamber; applying pressure to the first and second transparent substrates to thereby compress the sealing member and discharge the first liquid through the liquid discharge passage to the outside of the liquid chamber; and closing the liquid discharge passage. | 12-02-2010 |
20110255175 | OPTICAL DEVICE AND HOUSING - An optical device includes a first substrate which is transparent to incident light, a second substrate which is transparent to incident light, and a frame member which connects the first substrate to the second substrate. A lens chamber surrounded by the first substrate, the second substrate, and the frame member is filled with first and second liquids constituting a liquid lens. A region composed of an inorganic material and a region composed of an organic material coexist in the inner surface of the first substrate and the inner surface of the frame member. A first insulating layer composed of an inorganic material, an adhesion layer composed of an organic material, and a second insulating layer composed of an organic material are stacked in that order on the inner surface of the first substrate and the inner surface of the frame member. | 10-20-2011 |
20110299171 | LIQUID OPTICAL ELEMENT ARRAY AND DISPLAY - A liquid optical element array with good long-term stability is provided. The liquid optical element array includes: a first substrate and a second substrate facing each other; barrier ribs arranged upright on a surface facing the second substrate of the first substrate and sectioning a region on the first substrate into a plurality of cell regions; a first electrode and a second electrode arranged on wall surfaces of the barrier ribs to face each other; a third electrode arranged on a surface facing the first substrate of the second substrate; a projection arranged upright in each of the cell regions on the first substrate or the second substrate; and a polar liquid and a nonpolar liquid sealed between the first substrate and the third electrode and having different refractive indices. | 12-08-2011 |
20120105952 | OPTICAL DEVICE AND STEREOSCOPIC DISPLAY APPARATUS - An optical device includes: first and second substrates disposed being opposite to each other; a partition wall provided on an inner surface of the first substrate, facing the second substrate, and extending, to divide a region on the first substrate into cell regions which are arranged in a first direction, in a second direction which is different from the first direction; first and second electrodes disposed on wall surfaces of the partition wall to face each other in each of the cell regions; a third electrode provided on an inner surface of the second substrate which faces the first substrate; a protruding section formed upright on the inner surface of the first substrate and dividing each of the cell regions into sub cell regions arranged in the second direction; and polarity and non-polarity liquids sealed between the first substrate and the third electrode and having different refraction indexes. | 05-03-2012 |
20120105955 | OPTICAL DEVICE AND STEREOSCOPIC DISPLAY APPARATUS - An optical device includes first and second substrates disposed opposite each other; a partition wall provided upright on an inner surface of the first substrate, facing the second substrate, and extending, to divide a region on the first substrate into cell regions arranged in a first direction, in a second direction different from the first direction; first and second electrodes disposed on wall surfaces of the partition wall to face each other in each of the cell regions; an insulation film; a third electrode provided on an inner surface of the second substrate facing the first substrate; a protruding section formed upright on the inner surface of the second substrate and dividing each of the cell regions into sub cell regions arranged in the second direction; and polarity and non-polarity liquids sealed between the first substrate and the third electrode. | 05-03-2012 |
20130033488 | DISPLAY METHOD, DISPLAY DEVICE, ELECTRONIC SYSTEM, AND LIGHTING UNIT - A lighting unit includes: a plurality of two-dimensionally-arrayed light emitting sections; and a drive section that drives the plurality of light emitting sections on an individual basis. | 02-07-2013 |
20130057960 | OPTICAL ELEMENT, METHOD OF FORMING OPTICAL ELEMENT, OPTICAL ELEMENT ARRAY, DISPLAY DEVICE, AND ELECTRONIC APPARATUS - There is provided an optical element including first and second substrates that are disposed to face each other; a pair of wall portions that are erected on an inner surface of the first substrate facing the second substrate to be adjacent to each other in a first direction and extend in a second direction different from the first direction; first and second electrodes that are disposed on wall surfaces of the pair of wall portions to be insulated from each other and face each other and are provided to be apart from the first substrate; an insulating film that covers the first and second electrodes; a third electrode that is provided on an inner surface of the second substrate facing the first substrate; and a polar liquid and a non-polar liquid that are sealed between the first substrate and the second substrate and have different refractive indexes. | 03-07-2013 |
20130120827 | OPTICAL ELEMENT ARRAY, METHOD OF FORMING OPTICAL ELEMENT ARRAY, DISPLAY DEVICE AND ELECTRONIC APPARATUS - An optical element array includes a first substrate and a second substrate facing each other, a plurality of first walls which is provided upright on an inner surface facing the second substrate of the first substrate, a first electrode and a second electrode which are respectively provided on facing wall surfaces of the adjacent first walls, a third electrode which is provided on an inner surface facing the first substrate of the second substrate, a second wall which partially covers the inner surface of the first substrate and the first walls to partially or entirely surround at least a part of a space which is interposed between the first substrate and the second substrate; and a polar liquid and a nonpolar liquid which are sealed in the space surrounded by the first substrate, the second substrate and the second wall and have different refractive indices. | 05-16-2013 |
20140027168 | PRINTED WIRING BOARD, PRINTING METHOD, AND LIQUID DEVICE - A printed wiring board, in which a pattern is formed by screen printing, includes: a land group including lands each provided corresponding to a through-hole; and a dummy pattern provided in proximity to the land group, and free from electrical connection. | 01-30-2014 |