Abstract: A light guide module and an augmented reality (AR) apparatus are disclosed. The AR apparatus includes a display module and the light guide module. The light guide module includes a first light guide plate and a second light guide plate. The first light guide plate has a light receiving area for receiving optical input light with a predetermined incident angle and a light outputting area for outputting optical input light. The second light guide plate is disposed on the first light guide plate, and has dichroic surfaces for selectively transmitting or reflecting the optical input light.

Abstract: An electrochromic (EC) device and method, the EC device including: an optically transparent first substrate; a working electrode disposed on the first substrate and including electrochromic nanoparticles and a flux material having a melting point ranging from about 25° C. to about 500° C.; and an electrolyte disposed on the working electrode. The flux material is configured to prevent or reduce sintering of the nanoparticles at a temperature of up to about 700° C.

Abstract: A device may include an input component and a focus control component. The focus control component may receive, from the input component, an input associated with adjusting a focus of a field of view of the device. The focus control component may determine whether an area of interest is present in the field of view. The focus control component may adjust, based on determining that the area of interest is not present in the field of view, the focus of the field of view at a focus speed associated with the input, or, based on determining that the area of interest is present in the field of view, may determine one or more parameters for modifying the focus speed, modify the focus speed based on the one or more parameters, and adjust the focus of the field of view at the modified focus speed.

Abstract: An electrochromic (EC) device and method of operating the same, the EC device including a transparent substrate, a working electrode disposed on the substrate and including electrochromic inorganic nanoparticles, a counter electrode, and an electrolyte disposed between the working electrode and the counter electrode, the electrolyte including an electrochromic organic material.

Abstract: Adaptive spectacles (20) include a spectacle frame (25) and first and second electrically-tunable lenses (22, 24), mounted in the spectacle frame. In one embodiment, control circuitry (26) is configured to receive an input indicative of a distance from an eye of a person wearing the spectacles to an object (34) viewed by the person, and to tune the first and second lenses in response to the input.

Abstract: A method of forming an electrochromic (EC) device includes forming a solid-state first electrolyte layer, after forming the solid-state first electrolyte layer, laminating the first solid-state first electrolyte layer between a transparent first substrate and a transparent second substrate such that a transparent first electrode is disposed between the first substrate and a first side of the solid-state first electrolyte layer, and a transparent second electrode is disposed between the second substrate and a second side of the solid-state first electrolyte layer, and applying a sealant to seal the solid-state first electrolyte layer between the first and second substrates and to form the EC device.

Abstract: One embodiment of a lens driving device may comprise: a cover member; a bobbin which is disposed within the cover member so as to be movable in a first direction; a first magnet which is disposed within the cover member to move the bobbin in the first direction; a winding ring which is coupled to the bobbin; a coil which is wound around the outer circumferential surface of the winding ring and applies current for the movement of the bobbin in the first direction; a base which is coupled to the lower end of the cover member; and a flexible circuit board which is disposed on the lower side of the bobbin so as to be electrically connected with the coil.

Abstract: An optical module includes a circuit board, a lens assembly, a first lens array and a second lens array. The circuit board includes a first driving chip, a first photoelectric chip, a second photoelectric chip and a second driving chip. The lens assembly houses the first photoelectric chip and the second photoelectric chip and includes an upper surface having a first groove and a second groove. The first lens array and the second lens array are on a side surface of the second groove. A bottom surface of the first groove includes a reflecting surface. The first photoelectric chip and the second photoelectric chip are configured such that light coming from or to the first photoelectric chip, or from or to second photoelectric chip, is reflected by the reflecting surface and passes through the first lens array or the second lens array.

Abstract: One embodiment of a lens module includes a first lens including a fluid so as to absorb incident light; and a second lens forming an interface with a part of the first lens, the second lens including a fluid so as to permit passage of the incident light therethrough, wherein the second lens defines a first optic path in a center part thereof to permit passage of the incident light therethrough, and the first light path is changed in a cross-sectional area as the interface varies, and wherein a second optical path is formed at a portion of the first lens that is located adjacent to the first optical path.

Abstract: An image-pickup optical system includes: a first lens provided near an aperture stop and configured to correct aberration; and a second lens arranged between the first lens and an image sensor and configured to collect light, the first lens being a gradient index lens. The degree of freedom of design of a gradient index lens is higher than that of a lens having a constant refractive index, and a gradient index lens thus has a high potential as a device for a lens. Because such a gradient index lens is employed, it is possible to correct aberration without performing expensive processing such as polishing for example. In other words, as a result, costs may be reduced and image-forming properties may not be reduced at the same time.

Abstract: A zoom lens includes, in order from an object side to an image side: a focus lens unit configured to be moved for focusing on an optical axis; a zoom lens unit configured to be moved for zooming on the optical axis; and a relay lens unit, in which an interval between each pair of adjacent lens units is changed for zooming, and the zoom lens includes an aperture stop arranged between the zoom lens unit and the relay lens unit or within the relay lens unit, the relay lens unit includes an extender lens unit insertable into and removable from an optical path of the relay lens unit, in which the extender lens unit includes a negative lens Lm which is an m-th lens from the object side in the extender lens unit and having a refractive index and an Abbe number that satisfy predetermined conditions.

Abstract: Disclosed is a lens moving apparatus. The lens moving apparatus includes a moving unit having at least one lens installed therein and moving by electromagnetic interaction between magnets and coils, elastic members configured to support the moving unit, and position sensors configured to sense change of electromagnetic force emitted from the magnets according to movement of the moving unit and to output an output signal based on a result of sensing, and a primary resonant frequency of frequency response characteristics according to gain of a ratio of the output signal of the position sensors to an input signal applied to the coils is 30 Hz to 200 Hz.

Abstract: One embodiment of an iris recognition camera system comprises: an optical unit for collecting optical information of an iris; and an imaging unit for outputting the optical information of the iris obtained by the optical unit, wherein the optical unit comprises: a first group having a first thickness and refracting light incident from an object; and a second group disposed on the back surface of the first group and comprising at least one lens, wherein the first group comprises a holographic optical element (HOE).

Abstract: Provided is a zoom lens including, in order from object side: a positive first unit configured not to be moved for zooming; one or two negative second units configured to be moved for zooming; a stop configured to reduce an outer part of an off-axis light; two or three third units configured to be moved for zooming; and a fourth unit, in which focal lengths of the first unit and the second units, a distance on an optical axis from the stop to a vertex of a surface closest to the object side in the third units under a zoom state in which F-drop starts, and a distance on the optical axis from a vertex of a surface closest to the image side in the second units to the vertex of the surface closest to the object side in the third units under the zoom state are appropriately set.

Abstract: One embodiment provides a lens driving motor, comprising: a mover including a bobbin for fixing a lens, and magnets disposed on the bobbin; a stator comprising a first coil and a second coil arranged to correspond to the respective magnets, a housing including an upper surface with an open center and a support part having an outer surface on which the first coil is disposed, a base which supports the housing and has a through hole formed in the center thereof to correspond to the lens, and a substrate disposed on an upper surface of the base so as to apply power to the second coil; and a hall sensor disposed at a position facing the magnets so as to sense a phase of the mover.

Abstract: A camera capable of automatically compensating focal length includes a base, an adjust seat, and a lens barrel. The adjust seat includes a first ring, a second ring, and a connecting member. The first ring and the second ring are coaxially sleeved with each other and a distance is kept between the first ring and the second ring. The first ring includes a first end and a second end that are axially opposite to each other. The first end is fixed on the base. The second ring includes a third end and a fourth end that are axially opposite to each other. The third end is connected to the second end of the first ring via the connecting member. The fourth end has a first coupling part. The lens barrel has a second coupling part correspondingly coupled to the first coupling part.

Abstract: An annular optical component includes an inner surface, an outer surface, an object-side surface and an image-side surface. The inner surface includes multiple L-shaped annular grooves. The annular optical component includes multiple stripe-shaped structures disposed in the L-shaped annular grooves. The L-shaped annular grooves include an object-side L-shaped annular groove closest to the object-side surface and an image-side L-shaped annular groove closest to the image-side surface. A bottom diameter of the image-side L-shaped annular groove is larger than a bottom diameter of the object-side L-shaped annular groove. Each L-shaped annular groove includes a first side and a second side located between the object-side surface and the image-side surface. The stripe-shaped structures are disposed on the first side or the second side, and a degree of inclination between the first side and the central axis is larger than a degree of inclination between the second side and the central axis.

Abstract: A thermal emission source is provided that has a structure capable of suppressing deterioration of an optical assembly over time. The thermal emission source includes an optical assembly (1) having an optical structure in which a member made of a semiconductor has a refractive index distribution so as to resonate with light of a wavelength shorter than a wavelength that corresponds to an absorption edge corresponding to a band gap of the semiconductor. The optical assembly (1) includes a coating structure (30) with a coating material that differs from the semiconductor of refractive portions (10) and through which light of a wavelength included in a wavelength range from visible light to far infrared rays can be transmitted.

Abstract: An optical imaging lens assembly includes seven lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The seventh lens element has an image-side surface being concave in a paraxial region thereof. At least one of an object-side surface and the image-side surface of the seventh lens element has at least one critical point in an off-axis region thereof. The object-side surface and the image-side surface of the seventh lens element are both aspheric.

Abstract: A photographing lens assembly includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element has positive refractive power. The third lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the sixth lens element has at least one inflection point.