| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359741000 | With multipart element | 52 |
| 20080239513 | Microlens windows and interphased images for packaging and printing and methods for manufacture - The present microlens for packaging and printing includes a package including a body; and a microlens window located on the body to display at least one graphical image in a first portion of the microlens window and the contents of the package through a second portion of the microlens window. | 10-02-2008 |
| 20080278825 | OPTICAL ELEMENT, OPTICAL SCANNING APPARATUS, AND IMAGE FORMING APPARATUS USING THE OPTICAL ELEMENT, AND METHOD AND APPARATUS FOR FIXEDLY JOINING THE OPTICAL ELEMENT AND REDUCING DEFORMATION OF THE OPTICAL ELEMENT ARRANGED IN A LAYER STRUCTURE - An optical element including a plurality of reference members formed on a first side surface, and a method and apparatus for fixedly joining the optical element with the first side surface facing down. The method includes providing a surface including a specific position where the optical element is placed, applying an adhesive agent to a predetermined spot within the specific position in which the optical element is placed, placing the optical element therein, causing the optical element to have convex warpage, and curing the adhesive agent. The apparatus includes mechanisms configured to apply an adhesive agent to a predetermined spot within a specific position of a surface on where the optical element is placed, and to place the optical element therein, and first and second light sources configured to cause the optical element to have convex warpage, and to cure the adhesive agent, respectively. | 11-13-2008 |
| 20090059394 | METHOD FOR HOMOGENIZING LIGHT - A method of homogenizing light includes the steps of providing a plurality of large diameter lenses selected from a group of lenses consisting of positive or negative spherical, positive or negative cylindrical lenses and positive or negative axicons, selecting a predetermined number of lenses from the group of lenses, segmenting each selected lens in a manner common to all selected lenses, selecting from each lens a predetermined number of lens segments, and arranging the selected lens segments in a predetermined array so that the light passing through each lens segment, when arranged in the predetermined array, recombines at a common plane. | 03-05-2009 |
| 20090147379 | Microlenses with patterned holes to produce a desired focus location - A method, apparatus and system providing a microlens having a substantially flat upper surface and having a plurality of holes arranged in a pattern in a microlens material which produces a focal point at a desired location. | 06-11-2009 |
| 20100002312 | Over-molded glass lenses and method of forming the same - Accurate lens substrates on a waferscale are obtained by forming a polymer material on a lens surface formed on a lens wafer. The substrate may also be thinned by the glass lens surface forming process at the portion of the lens. The polymer material may have the same or different optical properties (refractive index and dispersion) as the lens wafer. | 01-07-2010 |
| 20110255179 | PHOTOELECTRIC LENS MODULE AND FABRICATION THEREOF - A photoelectric lens module is utilized to focus a light source. A fabrication method comprises steps of providing a first substrate; positioning a plurality of gap units on the first substrate, and forming a plurality of gap regions amongst the gap units on the first substrate; providing a second substrate comprising a plurality of photoelectric lens units, in which the positions of the photoelectric lens units are corresponding to the locations of the gap regions; and filling a transparent rubber in the gap regions in such that the first substrate and the second substrate are adhered closely. | 10-20-2011 |
| 20120113531 | Regular Pattern Optical Sheet - The present invention relates to a regular pattern optical sheet, comprising: a transparent flat plate-shaped body; and a plurality of lens-shaped patterns regularly formed at one surface of the body, each having a same size of more than 0.1 μm but smaller than 25 μm in diameter, wherein an angle formed by at least one line of lines straightly connecting each center of the plurality of lens-shaped patterns and a horizontal axis of an LCD pixel formed at an upper surface of the body is more than 5.5° but smaller than 9.5°, and a discrete distance between the plurality of lens-shaped patterns is more than 5% but smaller than 15% of a diameter of the lens-shaped pattern, whereby a high luminance characteristic can be accomplished over the conventional irregular lens pattern arrangement to the betterment of power consumption and environment friendliness. Furthermore, characteristic adjustment is enabled by regular pattern application capable of optical control to cater to various requirements of a user without occurrence of Moire pattern beating. | 05-10-2012 |
| 20140002911 | TRANSPARENT OPTICAL ELEMENT HAVING A PLURALITY OF LAYERS CONSISTING OF CELLULAR TILING | 01-02-2014 |
| 20140313601 | OPTICAL DEVICE AND DISPLAY SYSTEM - According to one embodiment, an optical device for a display apparatus is provided. The display apparatus include a display surface having a pixel area composed of a plurality of pixels, and a frame area that surrounds the pixel area. The optical device includes a lens array facing a plurality of pixels adjacent to at least a part of the frame area; and a lens facing at least a part of the frame area and a plurality of pixels adjacent to the lens array. | 10-23-2014 |
| 20160043528 | SURFACE-EMITTING LASER APPARATUS AND MANUFACTURING METHOD THEREOF - A surface-emitting laser apparatus includes a surface-emitting laser substrate; a microlens substrate; and an adhesion agent. The surface-emitting laser substrate includes a semiconductor substrate; and a surface-emitting laser and plural first adhesion fixing regions formed on a first face of the semiconductor substrate. The microlens substrate includes a microlens configured to receive light emitted by the surface-emitting laser; plural pier portions protruding toward a side of the first face of the semiconductor substrate; and plural second adhesion fixing regions, formed at positions corresponding to the first adhesion fixing regions on surfaces of the pier portions. The adhesive agent causes the first adhesion fixing regions and the second adhesion fixing regions to adhere to each other. A restoring force acts on the adhesive agent in a case where the adhesive agent is melted. The surface-emitting laser substrate and the microlens substrate are self-aligned with each other according to the restoring force. | 02-11-2016 |
| 20160170260 | COLOR FILTER SUBSTRATE, ELECTRO-OPTICAL DEVICE, AND PROJECTION-TYPE DISPLAY DEVICE | 06-16-2016 |
| 359742000 | Echelon (e.g., Fresnel lens, etc.) | 41 |
| 20080204901 | Fresnel Lens - When using an acrylic resin with a refractive index of 1.494, for example, the structure of the Fresnel lens is such that in a segment where a deviation angle of 19.5° or less is required, refraction-only prisms which do not cause any reflections are used, while in a segment where a deviation angle of 31.0° or larger is required, single-step total reflection prisms in which light is totally internally reflected once and then refracted are used and, in a segment where a deviation angle not smaller than 19.5° but not larger than 31.0° is required, two-step total reflection prisms in which light is totally internally reflected twice and then refracted are used. | 08-28-2008 |
| 20080273253 | METHOD FOR PRODUCING MOLD FOR ZONAL OPTICAL ELEMENT - A method for producing a mold for a zonal optical element having a circular portion having a circular shape taking an optical axis as a center viewed from a plane surface; at least one zonal surface formed around the circular portion in a ring form; and boundary wall surfaces connecting the circular portion with the zonal surface or connecting the zonal surfaces with each other is produced by a stage for forming a circular portion where while rotating a work around a rotation axis corresponding to the optical axis as a center, a tip is relatively moved relative to the work to form the circular portion at the mold side corresponding to the circular portion on the processing surface of the work perpendicular to the rotation axis; a stage for forming a zonal surface where the tip is relatively moved relative to the work to form a zonal surface at the mold side corresponding to the zonal surface; and a stage for forming a corner portion between the boundary portion at the mold side and the zonal surface at the mold side wherein a raked surface of the tip is in contact with a portion corresponding to the boundary wall surface. | 11-06-2008 |
| 20090002848 | LIGHT RECEIVER AND FRESNEL LENS USED THEREIN - A light receiver comprises a Fresnel lens for collecting light signals, and a light receiving element disposed closer to the Fresnel lens than the focal point of the Fresnel lens for receiving the light signals collected by the Fresnel lens. The Fresnel lens comprises a lens surface group having a plurality of lens surfaces, and a back cut surface group having a plurality of back cut surfaces connecting the lens surfaces. The back cut surfaces are inclined with respect to the center axis of the Fresnel lens. Thus, the light receiver has a high light collection efficiency of light signals incident within a certain acceptance angle. | 01-01-2009 |
| 20090067062 | Fresnel optical element and projection display apparatus - Each of a plurality of Fresnel prisms | 03-12-2009 |
| 20090103191 | IMAGE EXPANDING LENSES, DISPLAY DEVICES AND ELECTRONIC DEVICES - Disclosed are image expanding lenses, display devices, and electronic devices incorporating the disclosed image expanding lenses. In accordance with a disclosed image expanding lens, the image viewed by the user is larger than the active area of the LCD panel underneath the lens, so that the border around, for example, the LCD display is hidden from viewing. The image expanding lenses may include a non-uniform transparent substrate, having for example, a wedge shape that may be the top surface of the display. The substrate in combination with prismatic films may bend the light output from an array of pixels so that the image hides the border of the display device. In this way, an electronic device can render an edgeless image to a viewer since the image of the electronic device is projected beyond an edge of the display device of the host electronic device. | 04-23-2009 |
| 20090109550 | Collimating fresnel lens with diffuser appearance - A Fresnel lens having a curved surface and a large number of Fresnel lens steps with rectangular cross sections for enhancing the aesthetics while providing a diffuser appearance. The cylindrical Fresnel lens can be uniformly divided into rectangular sections across the lens axis. The rectangular sections are alternative and are offset from the curved surface by a distance, which produces a very parallel output beam. The front face of the cylindrical Fresnel lens provides a square like pattern, which results in an aesthetic appearance with the effective usage of light and reduced production costs. | 04-30-2009 |
| 20090237809 | Imaging System and Optical Engine - An imaging system and an optical engine comprising the imaging system are provided. The imaging system in this invention at least comprises a lens assembly, a light valve, and a Fresnel lens. The Fresnel lens is formed with a receiving portion adapted to correspondingly receive at least one portion of the lens assembly and replaces the conventional aspheric lens to focus a light ray onto the light valve. The light valve reflects the light ray into the lens assembly for imaging. Thereby, the Fresnel lens is adapted to decrease the surface area of the receiving portion to eliminate the influence of stray light on the imaging quality and to economize lens material costs. | 09-24-2009 |
| 20100002313 | METHOD AND APPARATUS PROVIDING SINGLET WAFER LENS SYSTEM WITH FIELD FLATTENER - Methods and apparatus to correct a curved Petzval focusing surface to a plane using a convex lens, a concave lens, and a space arranged between the curved side of the convex lens and the curved side of the concave lens. The method and apparatus may also include a Fresnel lens arranged between the concave lens and a pixel array. | 01-07-2010 |
| 20100014173 | MODULAR LIGHTING SYSTEM - A system includes first and second light collecting modules, each having a window and an optical fiber which receives light flowing through the window. The first and second modules are coupled together so they are repeatably rotatable, as a unit, between first and second positions. A light emitting fixture is operatively coupled to the optical fiber. The light emitting fixture includes an electrical light positioned proximate to a light emitting end of the optical fiber. | 01-21-2010 |
| 20100110567 | BI-LAYER ADHESIVE FOR LENS LAMINATION - A method for laminating a film on to an optical article and a bi-layer adhesive for use in the method. The bi-layer adhesive includes a latex adhesive layer and an HMA layer sequentially disposed on the film and dried to form a solid layer of uniform thinness throughout to provide optical quality. Various types of films may be employed to provide an optical function. Following optional pre-treatment steps, the adhesives are coated on to the film. An optical hot press technique is used to deliver heat and pressure over a short period of time to form a functionally-enhanced optical article with high adhesive strength. | 05-06-2010 |
| 20100165489 | FRESNEL LENS AND INJECTION MOLD - A surface of a base material of a Fresnel lens has a central area having circular zones arranged therein and an outer area located on the outer side of the central area and having circular-arc zones arranged therein. The pitch of zones in a boundary area between the central area and the outer area and where the zone shape changes is smaller than a basic pitch which is the pitch of the circular and circular-arc zones in the central area and the outer area. | 07-01-2010 |
| 20100214673 | Fresnel zone lens with grid - There is disclosed a perfectly plain FRESNEL zone lens. The perfectly plain FRESNEL zone lens includes a plurality of focusing units and a grid formed together with the focusing units by injection molding for example. The grid consists a plurality of cells. Each of the focusing units is disposed in a related one of the cells. | 08-26-2010 |
| 20100226022 | FRESNEL LENS, THE APPARATUS AND THE METHOD OF MANUFACTURING THEREOF - A Fresnel lens includes a plate made of a glass material and Fresnel portions made of plastic material and integrally formed onto the plate. A method of manufacturing the Fresnel lens includes the steps of adding the plastic material in a forming apparatus, curing the plastic material, and then separating the forming apparatus and the plate from each other to form the Fresnel lens. An apparatus for manufacturing the Fresnel lens includes a forming apparatus coupling with the plate of the Fresnel lens, and a forming concave with inversion corresponding to the shape of the forming Fresnel portions. The forming concave shapes the plastic material into the Fresnel portion. Therefore, the Fresnel lens takes lower manufacture cost than the glass Fresnel lens and has better reliability than the plastic Fresnel lens while exposing in high temperature and high light density. | 09-09-2010 |
| 20100254028 | Lens for Concentration Photovoltaic Module - A lens device includes a base, groups of prism-like elements formed on the base and at least two alignment points formed on the base. Each of the groups and a related portion of the base form a lens. Each of the prism-like elements comprises an incidence surface in the form of a camber. The alignment points are used for alignment of a laser device with the lens device. | 10-07-2010 |
| 20100302654 | FRESNEL LENS - To provide a Fresnel lens wherein changes in focal length due to temperature dependence of the refractive index can be compensated. By introducing a fractal structure into prisms in a peripheral region in which the prism angle is large and therefore the aspect ratio h/p of the prisms is large, the aspect ratio is reduced from h/p to h′/p and the slope of the envelope | 12-02-2010 |
| 20110080657 | OPTICAL MODULE - There is provided means of achieving the improvement of optical coupling efficiency between a surface receiving/emitting element and an optical transmission path with a simple structure and low cost. An optical element and a substrate having an optical waveguide layer and electric wiring are connected with each other through a lens having a Fresnel lens shape. A through via is provided in the lens, and the optical element and the electric wiring in the substrate are electrically connected with each other through the through via. Instead of the lens, a unit in which a lens is mounted inside an optical-element mounting substrate may be used. | 04-07-2011 |
| 20110096414 | OPTICAL CONCENTRATOR - Apparatus for concentrating light rays arriving from at least one opening onto a receiver, individual beams of the light rays each arriving at the apparatus substantially collimated, the apparatus including a respective Fresnel lens assembly for each opening, the Fresnel lens assembly including a first Fresnel lens, and a second Fresnel lens, the first Fresnel lens being located between the opening and the receiver, the second Fresnel lens being located between the first Fresnel lens and the receiver, the first Fresnel lens collimating the light rays arriving from the opening, the second Fresnel lens converging the collimated light rays onto the receiver, the opening being located in front of the Fresnel lens assembly, on the focal plane of the first Fresnel lens, centered on the focal point of the first Fresnel lens, and the receiver being located behind the Fresnel lens assembly, on the focal point of the second Fresnel lens. | 04-28-2011 |
| 20110149418 | Fresnel optical element and optical system using the same - A Fresnel optical element has a plurality of slopes that refract or reflect light, and the variation of the slope angle between adjacent slopes is constant. | 06-23-2011 |
| 20110157726 | LENS WITH MULTIPLE PROTRUSIONS - A non-imaging lens includes a transparent member, a first Fresnel lens portion and a second Fresnel lens portion. The transparent member includes a first surface and a second surface. The first Fresnel lens portion includes a plurality of first saw-toothed protrusions concentrically defined on the first surface. The second Fresnel lens portion includes a plurality of second saw-toothed protrusions concentrically defined on the first surface. The second saw-toothed protrusions are defined around the first saw-toothed protrusions. Each of radii of curvature of the second saw-toothed protrusions is different from each of radii of curvature of the first saw-toothed protrusions. | 06-30-2011 |
| 20110164329 | FRESNEL LENS COATING PROCESS - The present method for coating a Fresnel lens blank includes providing an uncoated Fresnel lens blank having a structure surface and a non-structured surface, providing a transparent mold part having molding surface substantially matching the base curvature of the Fresnel lens, depositing a metered quantity of coating resin between the molding surface and the structured surface of the Fresnel lens, applying pressure between the Fresnel lens and the mold part while maintaining the distance between the molding surface and the structure surface so that the thickness of the coating is greater than 1.5 times the Fresnel structural height of the structured surface and less than 5 times of the Fresnel structure height of the structured surface and curing the resin coating in situ by directing the incident UV radiation at the Fresnel lens. A double coating may be employed for obtaining both higher optical power and better mechanical properties. | 07-07-2011 |
| 20110249345 | OPTICAL ELEMENT - An optical element according to the present invention is an optical element including: a first light transmitting layer having a first sawtooth blazed surface | 10-13-2011 |
| 20120019936 | DEVICE FOR DIRECTING LIGHT BEAMS, ILLUSTRATION DEVICE, METHOD FOR PRODUCING A DEVICE AND AN ILLUSTRATION DEVICE - A device for directing light beams is proposed, comprising a translucent substrate, and a light-directing structure on at least a portion of the substrate, wherein the light-directing structure comprises a substantially transparent material, which is arranged in a pattern on the substrate in such a way that the light-directing structure comprises at least one optical prism. | 01-26-2012 |
| 20120176689 | OPTICAL VIEWER FOR COMPACT DISPLAYS - An optical magnification device, configured to magnify the display of a videographic display device, may be constructed using a high-resolution Fresnel lens. The optical magnification device may be constructed to be foldable and able to be compactly stored/transported. Its construction may be configured to orient the lens above and generally parallel to a tray upon which a videographic display device may be positioned and or fastened for viewing through the lens. | 07-12-2012 |
| 20120243110 | Display Magnification and Protection Device - A screen magnification and protection device for the display of a portable electronic device. The device comprises a transparent magnifying sheet with a front surface, a rear surface and an overall geometric shape. The rear surface comprises a light coating of adhesive to facilitate removable securement to a display. The magnifying sheet is a lens that magnifies images and text on the display. This assists far-sighted users with the operation of their electronic device. In addition to magnification, the device also acts as a screen protector and thereby reduces the likelihood the display will be damaged by debris. | 09-27-2012 |
| 20120268837 | LABEL WITH INTEGRATED THIN FILM MAGNIFIER - The invention features a label having a plurality of layers (e.g., at least two or more layers), in which at least one of the layers includes a thin film magnifier. Also featured are compositions to which the multi-layered label is affixed, methods of affixing the multi-layered label to compositions, and methods of making the multi-layered labels. | 10-25-2012 |
| 20130038949 | METHOD OF MAKING A NANOSTRUCTURE - A method of making a nanostructure is provided that includes applying a thin, random discontinuous masking layer ( | 02-14-2013 |
| 20130050851 | REDUCING MICRO-DEFECTS IN FRESNEL LENSES - Methods, systems, and apparatus for correcting micro-defects on a Fresnel lens surface are described. In one aspect, a measured amount of fluid coating material is applied to the grooved side of a Fresnel lens body, such that in addition to a thin layer of fluid coating material adhering to the surfaces of lens facets and the draft facets of the Fresnel lens body, some of the liquid coating material pools at the bottom corners of the grooves and forms a curved meniscus thereat. The pooled liquid coating material fills out the micro-defects existing in the bottom corners of the grooves. The surface profile of the liquid coating material traces closely to the designed profile of the Fresnel lens body. When the liquid coating material solidifies, the resulting solid coating serves to reduce the undesirable optical effects of the micro-defects in the bottom corners of the Fresnel lens body. | 02-28-2013 |
| 20130083407 | OPTICAL STRUCTURES FORMED WITH THERMAL RAMPS - This technology relates generally to a method of making an optical device. The method involves providing a glass carrier having a first surface, forming an optic structure in an at least partially transmissive layer, wherein the at least partially transmissive layer is adjacent the first surface of the glass carrier, and curing the at least partially transmissive layer using a thermal ramp up to a cure temperature at or within about 10° C. of an operating temperature of the optical device. This technology also relates to the resulting optical device and a system including an array of optical devices described herein and an array of photovoltaic cells configured with respect to the array of optical devices to convert light energy passing through the array of optical devices into electricity. | 04-04-2013 |
| 20130182338 | DRIVER VISION FIELD EXTENDER - A driver vision field extender uses flexible vinyl Fresnel-type prism lens material with substantially parallel horizontal straight linearly extending prism lines. The parallel lines permit wide side by side views without substantial distortion. As the driver vision field extender is intended to be positioned contiguously along the windshield, the driver vision field extender after installation preferably exhibits a concave shape acting to focus the light defining and delineating overhead objects towards front-seated passengers such as the driver. | 07-18-2013 |
| 20130235479 | COLLECTING LENS AND MULTI-SEGMENT LENS - A collecting lens comprises a first surface and a second surface. Said first surface lens is defined as an opposite surface of said collecting lens from said second surface. Said second surface has a lens surface. Said lens surface includes a plurality of lens function surfaces. Each of said lens function surfaces is defined as part of a side surface of corresponding one of elliptical cones. A particular normal line which is arbitrarily selected from normal lines at respective points on said first surface and crosses one of said lens function surface is not parallel to a central axis of the elliptical cone corresponding to said lens function surface crossed by said particular normal line. Said central axes of the elliptical cones are not parallel to each other. | 09-12-2013 |
| 20130265655 | MOLDED-ARTICLE MANUFACTURING METHOD, MOLD, AND OPTICAL ELEMENT INCLUDING FRESNEL LENS - A center-portion molding member having a center-portion transfer shape surface and a side wall surface is inserted and fitted in a frame-portion molding member having a frame-portion transfer shape surface to form a part of a cavity. The center-portion molding member has a groove portion in the side wall surface. The groove portion protrudes from the frame-portion transfer shape surface. Before injected resin transfers a shape of the center-portion transfer shape surface, the side wall surface of the center-portion molding member is sealed with the resin to form, between the center-portion transfer shape surface and the resin, a space in which gas is confined. | 10-10-2013 |
| 20130308207 | SENSING METHOD AND SYSTEM FOR FRESNEL LENS - A sensing method and system for Fresnel lenses are disclosed, the system including a first Fresnel lens unit for sensing the signal of a target object crossing a first boundary of a sensing area, a second Fresnel lens unit for sensing the signal of a target object crossing a second boundary of the sensing area, a third Fresnel lens unit for sensing the signal of a target object crossing a third boundary of the sensing area, and a sensing unit for receiving and processing the sensed signals of the Fresnel lens units. The first and second Fresnel lens units are arranged on two sides of the third Fresnel lens unit. Furthermore, it is possible to add more Fresnel lens units above, below or around the Fresnel lens units. By monitoring the boundaries of the sensing area, the sensing method and system for the Fresnel lenses improve the insufficiency of the sensing area, reduce cost and save power consumption. | 11-21-2013 |
| 20140218810 | FRESNEL LENS - A Fresnel lens includes an incident surface that is flat, and a prism-forming surface that has a plurality of prisms, the prism-forming surface being provided on the side of the Fresnel lens opposite to the incident surface. Each of the prisms has a converging surface that is located on the side away from the optical axis of the Fresnel lens. | 08-07-2014 |
| 20150109688 | MAGNIFYING CARD - A card has a planar first portion that includes readable data and a second portion that includes a lens. The card can be a credit card and the data can be financial data. The lens provides magnification. | 04-23-2015 |
| 20150124338 | UV-CURABLE ADHESIVE ORGANOPOLYSILOXANE COMPOSITION - A UV-curable adhesive organopolysiloxane composition is provided comprising (A) (A-1) an alkenyl-containing linear organopolysiloxane and (A-2) a three-dimensionai network alkenyl-containing organopolysiloxane resin comprising R | 05-07-2015 |
| 20150346395 | LENS STRUCTURE - A lens structure includes a plurality of lens units. Each of the lens units includes upper and lower substrates, an electrode film, a center electrode, an edge electrode, and at least one set of side electrodes. The electrode film on the upper substrate has a voltage Vtop. The center electrode on the lower substrate has a voltage Vc. The edge electrode on the lower substrate and on two sides of the center electrode has a voltage Ve. Each set of side electrodes is located on the lower substrate and between the center electrode and the edge electrode, and each set of side electrodes includes a main electrode and first and second auxiliary electrodes located on two sides of the main electrode. Voltages of the main electrode, the first auxiliary electrode, and the second auxiliary electrode are Vf, Vm, and Vfm, respectively, Vf>Vc>Ve, Vf>Vtop>Ve, and Vf>Vm>Ve. | 12-03-2015 |
| 20160025902 | OPTICAL DEVICE - According to one embodiment, an optical device includes first and second optical elements. The first optical element is disposed on a display surface. The first optical element includes first and second surfaces. A first light emitted from the display surface is incident on the first surface. The first optical element includes transmissive portions and non-transmissive portions. Each of the transmissive portions extends in a first direction parallel with the first surface. Each of the non-transmissive portions is disposed between the transmissive portions. A light transmittance of the non-transmissive portions is lower than that of the transmissive portions. A second light emitted from the second surface is incident on the second optical element, which emits the second light as a third light. An optical axis of the third light is tilted with respect to an optical axis of the second light in a plane perpendicular to the second direction. | 01-28-2016 |
| 20170232695 | SPECIALLY-SHAPED EPOXY RESIN MOLDED ARTICLE, AND OPTICAL DEVICE PROVIDED WITH SAME | 08-17-2017 |
| 359743000 | Having curvilinear lens | 3 |
| 20100172033 | KEYPAD SECURITY DEVICE - A keypad security device ( | 07-08-2010 |
| 20160011341 | FRESNEL LENS WITH REDUCED DRAFT FACET VISIBILITY | 01-14-2016 |
| 20160202476 | FLEXIBLE DISPLAY DEVICE | 07-14-2016 |
