Abstract: Methods and apparatus for imaging multiple retinal structures and montaging of multiple retinal images are provided. The method involves cross-correlating images from different imaging channels to compensate for intra-frame distortion due to retinal movement during image acquisition, and conducting a second cross-correlation to filter out any motion artifacts in the images. The resultant images are combined to generate a composite image. The method also involves controlling light directed on the retina spatially and temporally.

Abstract: Methods and systems for determining a physiological parameter of a subject through interrogation of an eye of the subject with an optical signal are described. Interrogation is performed unobtrusively. The physiological parameter is determined from a signal sensed from the eye of a subject when the eye of the subject is properly aligned with regard to an interrogation signal source and/or response signal sensor.

Abstract: The invention relates to an optical element for influencing a light that is emitted from a light source, said optical element extending along a longitudinal axis (L). The optical element comprises a front side which faces away from the light source, and a rear side (5) which faces said light source, a plurality of cell-like light entry regions (4) being designed on the rear side (5) in order for light to enter, and extending in a row along a straight line (G) that runs parallel to the longitudinal axis (L). In addition, a deflecting surface region is designed on said rear side (5) for the purpose of at least partially deflecting the light, said region being connected on a side next to said light entry regions (4) with respect to the straight line (G). A light exit region is designed on the front side such that light can at least partially exit.

Abstract: An ophthalmic imaging device for capturing a tomographic image of an eye, includes: an OCT optical system detecting interference of reference light and measurement light; a measurement optical system including an optical scanner and an objective optical system, the optical scanner being configured to deflect the measurement light to perform scanning with the measurement light; a driver configured to displace a relative position of the optical scanner with respect to the objective optical system in an optical axis direction; and a controller configured to control the driver to adjust a turning position of the measurement light in the optical axis direction. The controller changes the turning position between a first position corresponding to a first depth band of the eye and a second position corresponding to a second depth band of the eye which is different from the first depth band.

Abstract: A display device, such as an electrowetting display device, includes a first support plate and an opposing second support plate. A thin film transistor (TFT) structure on the first support plate is communicatively coupled with a pixel within a pixel region between the first support plate and the second support plate. The TFT structure includes an organic layer disposed over a silicon semiconductor layer and a reflective layer disposed on the organic layer. The reflective layer extends over the organic layer to overlie the silicon semiconductor layer.

Abstract: An optical observation device (100) for observing an eye (22) is described, having a microscope means (1), in particular a stereoscopic means, for observation of the anterior segment of eye (22), and having a means (2) for visualizing the retina of eye (22), particularly a stereoscopic means, with at least one camera (21), in particular, a digital camera. In order to provide an optical observation device (100), with which the anterior eye (22) and the retina can be observed alternately, in particular stereoscopically, in a constructively simple way, it is provided according to the invention that visualizing means (2) is designed as an attachment module in front of microscope means (1) and that visualizing means (2) is disposed on a positioning device (12) and can be positioned in front of eye (22), in particular, at a short distance in front of eye (22), via positioning device (12).

Abstract: The present disclosure provides an adaptive optical retina imaging apparatus and method. The adaptive optical retina imaging apparatus comprises an optical processing unit, an adaptive optical unit, a two-dimensional scanning unit and a primary aberration correcting unit, in which an imaging unit included in the optical processing unit is imaging based on the signal after high order aberration compensation and low order aberration compensation.

Abstract: An electrophoretic light attenuator comprises a cell including a first substrate (90), a second substrate (90) spaced apart from the first substrate, a layer arranged between the substrates and containing an electrophoretic ink (30), and a monolayer of closely packed protrusions (2) projecting into the electrophoretic ink (30) and arranged adjacent a surface of the second substrate. The protrusions (2) have surfaces defining a plurality of depressions between adjacent protrusions. The ink (30) includes charged particles (11) of at least one type, the particles being responsive to an electric field applied to the cell to move between a first extreme light state, in which the particles (11) are maximally spread within the cell so as to lie in the path of light through the cell and thus strongly attenuate light transmitted from one substrate to the opposite substrate, and a second extreme light state, in which the particles (11) are maximally concentrated within the depressions so as to let light be transmitted.

Abstract: Methods for improving the performance of electrophoretic media with the addition of acetylene surfactants comprising hydroxyl groups. In particular, the described acetylene surfactants reduce ghosting while improving the contrast ratio in electrophoretic displays.

Abstract: An optical device includes a plate-shaped Fresnel lens portion made of a first optical material, the Fresnel lens portion having a Fresnel-shaped portion on one side of Fresnel lens portion in a thickness direction of the Fresnel lens portion, the Fresnel-shaped portion having a plurality of grooves, and a partially reflective mirror layer provided on a surface of the Fresnel-shaped portion. The plurality of grooves of the Fresnel-shaped portion is configured such that a surface configuration of the Fresnel-shaped portion has optically freeform surface characteristics and such that each of the grooves has a non-uniform depth.

Abstract: An electrochromic device may be switchable between a transparent state and at least one reflective state. A lithium-containing reflective feature may form when the electrochromic device is switched from the transparent state to the reflective state. Various products and methods may involve the electrochromic device.

Abstract: A display device includes a first support plate and an opposing second support plate. At least a portion of a wall on the first support plate is associated with a pixel within a pixel region. The wall has a first segment, a second segment perpendicular to the first segment, and a third segment perpendicular to the first segment and parallel to the second segment. A first spacer on the second support plate extends toward the wall. The first spacer includes a first portion contacting the wall along a length of the first segment, a second portion coupled to the first portion and contacting the second segment along a first portion of the second segment, and a third portion coupled to the first portion and contacting the third segment along a first portion of the third segment.

Abstract: The present disclosure provides a bottom electrode substrate for a segment-type electrophoretic display. The bottom electrode substrate includes a flexible substrate, a first conductive layer, an insulating layer, a second conductive layer and a segment-type electrode. The first conductive layer is disposed on the flexible substrate. The insulating layer covers the first conductive layer and the flexible substrate, wherein the insulating layer has at least one opening exposing a part of the first conductive layer. The second conductive layer is filled in the opening and in contact with the exposed first conductive layer. The segment-type electrode covers the second conductive layer and the insulating layer, and is in contact with the second conductive layer. A method for manufacturing the bottom electrode substrate is also provided herein.

Abstract: A display panel includes a flexible substrate, a first conductive layer, an insulating layer, a second conductive layer and a display layer. The flexible substrate includes a central area and at least one peripheral area. The first conductive layer is disposed on the flexible substrate. The insulating layer is disposed on the first conductive layer. The insulating layer includes a central insulating portion and at least one peripheral insulating portion. The peripheral insulating portion is located above the peripheral area. The central insulating portion is located above the central area. The peripheral insulating portion is more flexible than the central insulating portion. The second conductive layer is disposed on the insulating layer, and the insulating layer separates the first conductive layer from the second conductive layer. The display layer is disposed on the second conductive layer.

Abstract: An optical apparatus includes a driving unit, a holder holding the driving unit, a moving member holding an optical member and movable by drive of the driving unit, and a guide fixed to the holder in parallel to an optical axis direction. The driving unit is fixed to the holder by a screw and a nut. The nut includes a first plane part. The nut is disposed so that the first plane part of the nut is substantially orthogonal to a line connecting a center of the guide and centers of the screw and the nut when viewed in the optical axis direction.

Abstract: A lighting device (1) including at least one laser-diode bar with a plurality of emitters arranged adjacently to one another in a first direction and able to emit sub-beams during operation. The sub-beams having a lower beam divergence in a first direction that forms a slow-axis direction than in a second direction that forms a fast-axis direction and is perpendicular to the first direction. At least some of the emitters having a height offset in relation to the other emitters. A fast collimation means positioned behind the at least one laser-diode bar in a beam-propagation direction perpendicular to the slow-axis direction and the fast-axis direction. Beam transformation means positioned behind the fast-axis collimation means in the beam-propagation direction and designed to rotate the sub-beams through 90° as they pass thorough said means.

Abstract: The present invention refers in general to the measurement of aberrations of the optical system of a living being, in particular a human. More specifically, the invention refers to methods and systems for reconstructing a wave front and/or for building a refractive error map.

Abstract: An apparatus for motion compensated modelling of a parameter of an eye, comprising: a first measuring means for measuring a plurality of position parameters of the eye with respect to an optical reference coordinate system of the apparatus; a second measuring means for measuring an interference signal at a plurality of optical reference coordinates, wherein the measurement of the plurality of position parameters and measurement of the interference signal are time synchronized; means for correcting the interference signal to account for a displacements of a parameter of the plurality of position parameters; and means for modelling the eye parameter based at least in part on the corrected interference signal.

Abstract: In a MEMS device (1), a first drive portion (40) is divided into a first drive section (41) and a second drive section (42). A second drive portion (50) is divided into a third drive section (51) and a fourth drive section (52). The first drive section, the second drive section, the third drive section, and the fourth drive section are controlled for driving independently of each other to incline an optical component (10).

Abstract: Electronic inks are disclosed herein. An example of the electronic ink includes a non-polar carrier fluid, a colorant particle dispersion, and a charge director. The colorant particle dispersion includes another non-polar carrier fluid (which may be the same as, or different from the non-polar carrier fluid), colorant particles, and chargeable dispersant molecules bonded to the colorant particles. The charge director is to charge the chargeable dispersant molecules.