Class / Patent application number | Description | Number of patent applications / Date published |
359831000 | PRISM (INCLUDING MOUNT) | 72 |
20080247065 | METHOD OF MAKING STRUCTURED OPTICAL FILMS - Methods for fabricating an optical film characterizable by a relationship between gain and thickness to prism pitch ratio (S/p) that varies cyclically are described. The thickness and the prism pitch of the optical film are selected based on the relationship between gain and S/p ratio, to obtain a desired gain. The optical film is formed having the S/p ratio that provides the desired gain. | 10-09-2008 |
20080297926 | MOVEMENT PREVENTING STRUCTURE FOR COLOR SEPARATION PRISM - A movement preventing structure for a color separation prism prevents or reduces the movement in an optical axis direction of the color separation prism caused by the thermal expansion or contraction of a color separation prism supporting member. In the movement preventing structure for a color separation prism, in which the movement in an optical axis direction of the color separation prism is prevented by the thermal expansion or contraction of the color separation prism supporting member which supports the color separation prism arranged between a mount part, on which a lens apparatus is detachably mounted, and a solid-state image sensing element of a camera apparatus having the mount part and the solid-state image sensing element, the movement preventing structure has a color separation prism movement preventing member being formed of a thermally-expanding material, having a first fixing part fixed to the color separation prism and a second fixing part fixed to the color separation prism supporting member, and the length in an optical axis direction thereof being changed by thermal expansion or contraction; the color separation prism supporting member supports the color separation prism so that the color separation prism is movable in an optical axis direction; and the length in an optical axis direction of the color separation prism movement preventing member is changed by thermal expansion or contraction, and the color separation prism movement preventing member applies a force to the color separation prism fixed in the first fixing part, whereby the color separation prism is moved in the direction reverse to the direction of the movement of the color separation prism caused by the thermal expansion or contraction of the color separation prism supporting member. | 12-04-2008 |
20090009894 | COMBINED PRISMATIC CONDENSER BOARD - A combined prismatic condenser board includes a base having a surface on which a prismatic structure is formed. The prismatic structure includes a plurality of parallel rib-like prisms extending in a longitudinal direction and a plurality of parallel rib-like prisms extending in a lateral direction, which intersect each other. The rib-like prisms have a substantially triangular cross-sectional shape and have ridges that are selectively of different heights. With the rib-like prisms extending in different directions and having ridges of different heights, the combined prismatic condenser board realizes light condensation in the different directions and provides optimum view angles in the different directions. | 01-08-2009 |
20090040634 | Prismatic Joint and Optical Swiveling Device - A prismatic joint for an optical swiveling device has a first prism which is mounted such that it can rotate about a first rotation axis and a second prism, which is mounted such that it rotate about a second rotation axis with respect to the first prism. The first rotation axis and the second rotation axis intersect one another at an intersection angle of 45°. The first prism and the second prism have a respective first side surface and a second side surface, as well as a base surface. The first side surface is inclined through the intersection angle with respect to the base surface, and the second side surface is inclined through half the intersection angle with respect to the base surface. A third prism has side surfaces that are inclined symmetrically at the intersection angle with respect to the base surface. The first and second prisms project substantially mirror-image symmetrically along the first rotation axis, and the third prism is arranged, in each case with its side surfaces adjoining, between the first and the second prisms. | 02-12-2009 |
20090067071 | PRISM SYSTEM AND METHOD FOR PRODUCING THE SAME - A prism monomer for use in a digital light processing projection device includes a plastic triangular prism having a hypotenuse surface and a glass sheet. The glass sheet has two opposite surfaces. One surface of the glass sheet is attached to the hypotenuse surface of the plastic triangular prism and the other surface of the glass sheet is formed with an anti-reflective coating. | 03-12-2009 |
20090147385 | PRISM SHEET AND METHOD FOR MAKING THE SAME - An exemplary prism sheet includes a transparent main body. The transparent main body has a surface. A plurality of elongated protrusions protrude from the surface of the main body. Each of the elongated protrusions extends along a first direction. A width and a height of one or more elongated protrusions vary along the first direction. Methods for making the prism sheet are also provided. | 06-11-2009 |
20090244737 | PRISM SHEET - An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body defines a plurality of first elongated arc-shaped grooves and a plurality of second elongated arc-shaped grooves. The first elongated arc-shaped grooves intersect with the second elongated arc-shaped grooves. The second surface defining a plurality of rectangular structures. Each rectangular structure defining four adjacent triangular pyramid depressions. | 10-01-2009 |
20090244738 | PRISM SHEET - An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body defines a plurality of spherical depressions. The second surface defines a plurality of rectangular structures. Each rectangular structure defines four adjacent triangular pyramid depressions. | 10-01-2009 |
20090244739 | PRISM SHEET - An exemplary prism sheet includes a first surface and a second surface opposite the first surface. The first surface defines a plurality of elongated V-shaped grooves, and the elongated V-shaped grooves are parallel to each other. The second surface defines a plurality of parallelogram microstructures. Each parallelogram microstructure defines four adjacent triangular pyramid depressions. | 10-01-2009 |
20100002318 | BRIGHTNESS ENHANCEMENT PANEL AND DISPLAY DEVICE HAVING SAME - A display device includes a display panel and a brightness enhancement panel. The display panel has a light output surface. The brightness enhancement panel is mounted on the light output surface. The brightness enhancement panel includes a base plate portion and a plurality of quadrilateral pyramid lens portions. Each of the lens portions defines a square base and four substantially identical triangular sides. The base plate portion has two opposite sides. One of the two sides of the base plate portion abuts the light output surface and the lens portions are arranged at the other side of the base plate portion. | 01-07-2010 |
20100046103 | BRIGHTNESS ENHANCEMENT COMPONENT - A brightness enhancement component includes a substrate and a plurality of prism elements. The prism elements are serially disposed on the substrate. A V-shaped trough is formed between each immediately-adjacent two prism elements. All the V-shaped troughs have their bottom ends disposed within a reference plane. A first prism element group each has a relatively high crest higher than the reference plane by a first height. A second prism element group each has a relatively low crest higher than the reference plane by a second height, wherein each of the first prism element group and each of the second prism element group are alternately arranged on the substrate, the first height is larger than the second height. | 02-25-2010 |
20100226025 | ENHANCED PRISM FILM - The present disclosure relates to an enhanced prism film comprising a plurality of column-like elements extending in a first direction. The plurality of column-like elements abut against one another in a second direction different form the first direction so as to form a light exiting surface of the enhanced prism film with converging effect in both the first and second direction. | 09-09-2010 |
20110181971 | METHODS AND SYSTEMS FOR FABRICATING OPTICAL FILMS HAVING SUPERIMPOSED FEATURES - An approach for making a master tool used to fabricate optical films involves cutting a series of base structures. Modifying features are superimposed with the base structures, producing abruptly discontinuous variations in the shape of the base structures. Diffraction elements may be formed in one or both of the base structures and the modifying features. The modifying features can be formed by moving the cutting tool in the x-direction, in the z-direction, or along a trajectory having both an x component and a z component. | 07-28-2011 |
20110199697 | LIGHT DIRECTING FILM AND METHOD FOR MAKING THE SAME - A light directing film includes a structured major surface with a plurality of microstructures extending along a first direction. Each microstructure has a first region and a second region different from the first region, a substantially constant height in the first region and a non-constant maximum height in the second region greater than the substantially constant height in the first region, and a same lateral cross sectional shape in the first region and the second region. | 08-18-2011 |
20110235199 | PRISM MOUNT FOR A LASER DEPOSITION DEVICE - An apparatus includes a prism mount that retains a prism. The mount includes a ledge that engages a first side of the prism, a support surface structured that engages a second side of the prism, a retaining member that slidably engages a third side of the prism, and a biasing member that biases the retaining member to an engaged position with the prism. The mount further includes a slot disposed between the ledge and the support surface. The retaining member includes a machine screw, and a nut confines the biasing member between the nut and a prism mount body. The biasing member is retained in a counterbore in the prism mount body, and an end of the machine screw protrudes from the counterbore. The prism mount body further includes an alignment slot at a fixed azimuthal angle, and the laser deposition device includes a protrusion that engages the alignment slot. | 09-29-2011 |
20120250170 | PRISM UNIT AND A PROJECTION IMAGE DISPLAY APPARATUS - A prism unit includes a prism having at least one optical surface in its inside, and a prism base disposing the prism, the prism base including at least three seating surfaces that are attached to a surface orthogonal to the optical surface of the prism, a seating surface bonded part that is bonded to the prism by an adhesive. At least the three seating surfaces and the seating surface bonded part are symmetrically arranged on the optical surface of the prism. | 10-04-2012 |
20130301150 | OPTICAL FILM - Optical films having anti-Moiré and anti-wetout features are described, along with systems and methods for making these optical films. A master used to make optical films is formed using a single axis actuator cutting along a trajectory that is out of plane with the surface of the master. Movement of the cutting tool along the trajectory cuts grooves having variable depth and variable pitch into the surface. Prisms formed from the master have variable depth, variable height prisms that provide anti-wetout and anti-Moiré features. | 11-14-2013 |
20140071549 | OPTICAL FILM - An optical film comprises a transparent supporting substrate and a structuralized layer integrally formed on the supporting layer and having a plurality of light-concentrating units including design that varies in height along their length or varies in pitch of prism structure to overcome the optical defects (wet-out) of the optical film and to enhance the optical properties of the optical film. | 03-13-2014 |
20140126075 | FILMS FOR DISPLAY COVERS AND DISPLAY DEVICES COMPRISING THE SAME - Films for display device covers and display device covers comprising the same are disclosed. In one embodiment, a display cover for coupling to a display device includes a perimeter portion comprising a first surface and a second surface. A film of polymeric material may be attached to at least one of the first surface or the second surface of the perimeter portion. The film may include a first array of prisms extending from an edge of the perimeter portion to a distance L. The first array of prisms may be offset from and positioned below a surface of the film by an offset spacing dz. | 05-08-2014 |
20140233118 | Camera Arrangement for a Motor Vehicle - A camera arrangement for a vehicle includes a camera and a prism. The camera is arranged behind a windshield of the vehicle. The prism is positioned between the windshield and the camera and is coupled to the windshield by a coupling medium. The prism has a light entry surface facing the windshield and a light exit surface facing an optical imaging component of the camera. The light entry surface and/or the light exit surface is non-flat by which the prism at least partially compensates for refraction resulting from curvature of the windshield. | 08-21-2014 |
20140285912 | APPROACHES TO CONTROL COLOR MURA IN OPTICAL FILMS - A brightness enhancement film includes a plurality of linear prisms disposed on a birefringent substrate. A light ray that enters the film from the substrate side and exits the film from the linear prisms side undergoes substantially a same phase retardation for mutually orthogonal polarization states while travelling within the film. The light ray exits the film at an angle from a normal to the substrate that is greater than 20 degrees. | 09-25-2014 |
20140293465 | OPTICAL PRISM AND METHOD FOR BONDING THE SAME - A first optical prism includes a bonding surface for bonding the first optical prism to a second optical prism, a collar element provided on a non-optical effective surface, a first reference portion provided on the collar element to form a reference surface for positioning, and a second reference portion provided at a position different from the first reference portion, in which the second reference portion is provided in an area where the bonding surface is projected in a normal direction of the reference surface. | 10-02-2014 |
20150009586 | LIGHT GUIDES HAVING ENHANCED LIGHT EXTRACTION - Lightguides, devices incorporating lightguides, processes for making lightguides, and tools used to make lightguides are described. A lightguide includes light extractors arranged in a plurality of regions on a surface of the lightguide. The orientation of light extractors in each region is arranged to enhance uniformity and brightness across a surface of the lightguide and to provide enhanced defect hiding. The efficiency of the light extractors is controlled by the angle of a given light extractor face with respect to a light source illuminating the light guide. | 01-08-2015 |
20150362638 | SPLICING-SCREEN BORDER WEAKENING STRUCTURE AND SPLICING SCREEN - A splicing-screen border weakening structure includes a transparent solid element through which a light ray is able to penetrate. The transparent solid element includes a fixing surface which is used for fixing to the border and a light-ray exiting surface which is opposite to the fixing surface, and further includes an inner area which is opposite to the border and an outer area which is opposite to an edge display area of the display screen. A first prism structure is at least arranged at a position corresponding to the inner area of the light-ray exiting surface. A light ray exits from the edge display area and enters into the outer area of the transparent solid element, and a part of the light ray is deflected by the first prism structure of the light-ray exiting surface and exits from an inner area of the light-ray exiting surface. | 12-17-2015 |
20150369973 | BLACK EDGE PRISM SHEET, METHOD FOR MANUFACTURING THE PRISM SHEET, MANUFACTURING EQUIPMENT AND DISPLAY DEVICE - The present disclosure relates to the field of prism sheet. A black edge prism sheet is disclosed, said prism sheet comprises a substrate and a shadowless glue film layer molded on one side of the substrate; the shadowless glue film layer comprises: a central region, the central region has multiple first geometry structures arranged in parallel to each other; and a peripheral region, the peripheral region has multiple second geometry structures arranged adjacent to each other; the peripheral region is located outside the central region and extends to edge of the shadowless glue film layer; an ink layer is printed on the peripheral region. The black edge prism sheet of the present disclosure integrates a black shading surface with a prism surface, without attaching shading tape on the periphery of the prism surface; thus the production efficiency and product qualification rate are improved. Without using a shading tape, the production cost can be reduced, and the thickness of the backlight module can also be reduced effectively. Moreover, the present disclosure also provides a display device applying the black edge prism sheet, a method and a manufacturing equipment for manufacturing the prism sheet. | 12-24-2015 |
359832000 | Fluid filled | 3 |
20110013299 | Cellular Matrix with Integrated Radiant and/or Convection Barriers Particularly for Use with Inflatable Bodies - Cellular matrices generally having a plurality of generally identical cells (open-ended geometric prisms) arranged to form a repeating geometric form, and characterized by radiant and/or convection barriers at each cell to mitigate undesired thermal transmission in a plurality of directions there through. Barriers of various embodiments include non-film sheet material, such as non-woven (e.g., spun) or batting-type sheet material as well as a foam sheet material, which may be substituted for some or all of the film material otherwise comprising the matrix, and/or integration of a thermally reflective film or coating into the matrix and/or enveloping panels of an inflatable body to provide enhanced thermal radiation mitigation means. When used in conjunction with inflatable bodies, axes of the cells are oriented parallel to exteriorly exposed panels that define the chamber of the inflatable body in which the matrix is disposed, and in certain embodiments the panels defining the chamber also comprise portions of the matrix. | 01-20-2011 |
20120154939 | VARIABLE FOCUS PRISM AND OPTICAL SYSTEM - A variable focus prism has a first transmissive solution body, a second transmissive solution body that has a different refractive index to that of the first transmissive solution body, and a reflective solution body. The variable focus prism varies the shape of the transmissive surface and the reflective surface by electrical control of the transmissive surface formed on the interface between the first transmissive solution body and the second transmissive solution body, and the reflective surface formed on the interface between the second transmissive solution body and the reflective solution body. | 06-21-2012 |
20130208370 | CHANGEABLE LIQUID PRISM ARRAY AND METHOD OF MANUFACTURING THE SAME - A changeable liquid prism array and a method of manufacturing the changeable liquid prism array are provided. The changeable liquid prism array includes a substrate, a wiring layer formed on the substrate, and including conducting wire portions and non-conducting wire portions where the conducting wire portions are not formed, and barrier walls disposed on the wiring layer. The changeable liquid prism array further includes cells defined by the barrier walls, a first liquid included in the cells, and a second liquid located on the first liquid. The changeable liquid prism array further includes side electrodes disposed on side surfaces of the barrier walls, and separated from each other by spaces corresponding to the non-conducting wire portions, and an upper electrode arranged above the barrier walls, and separated from the side electrodes. | 08-15-2013 |
359833000 | With reflecting surface | 28 |
20080231976 | Security Device Based on Customized Microprism Film - A security device comprises at least two regions, each region comprising a prismatic surface structure defining an array of substantially planar facets. Each region forms a reflector due to total internal reflection when viewed at least one first viewing angle and is transparent when viewed at least one second viewing angle. The said at least one first viewing angle of one region is different from the at least one first viewing angle of the other region. Furthermore, a security device comprising an asymmetrical or truncated prismatic surface structure is located in a transparent area of an article. | 09-25-2008 |
20080239526 | Light conducting unit, illumination apparatus, and projection type display apparatus - A light conducting unit is disposed between a light source and a region which is to be illuminated. In addition, a light conducting unit includes a polygonal prism made from a first medium with a first coefficient of refraction, a first light conducting unit which directs light to be incident upon a first surface of the polygonal prism, and a second light conducting unit upon which light emitted from a second surface of the polygonal prism is incident, wherein the polygonal prism includes a reflective device which reflects light which is incident into the polygonal prism from the first surface towards the second surface, and a second medium with a second coefficient of refraction which is less than the first coefficient of refraction is provided at the first surface and the second surface. | 10-02-2008 |
20090002857 | Prism and Optical Device | 01-01-2009 |
20090141376 | SURFACE PLASMON RESONANCE COMPATIBLE CARBON THIN FILMS - SPR-compatible substrates for high density microarray fabrication and analyses are provided. Novel carbon-on-metal thin film substrate architecture permits the integration of surface plasmon resonance detection with photolithographically fabricated biomolecule arrays for the analysis of biomolecular interactions. The utility of the technology is shown in the analysis of specific DNA-DNA, DNA-RNA and DNA-protein binding interactions. These new substrates may be used to determine the secondary structure of RNA molecules, to probe the sequence-specific binding kinetics and affinity of proteins and small molecules, and as substrates for small-molecule combinatorial chemistry platforms for drug discovery applications. | 06-04-2009 |
20130155532 | CORNER REFLECTOR FOR AN ARMORED VEHICLE - A corner reflector of an armored vehicle includes a housing having a look-in aperture of a subregion extending into a vehicle interior, a look-out aperture of a subregion extending out of the vehicle and at least one prism body or deflection mirrors disposed in the housing, to provide effective shielding against sources of electromagnetic interference. Providing the corner reflector on all sides with a shield made of electrically conductive material ensures that vehicles equipped therewith or individual electronic components thereof cannot be influenced or rendered unusable by sources of electromagnetic interference. | 06-20-2013 |
20130321939 | REARVIEW MIRROR ASSEMBLY FOR VEHICLE - An interior rearview mirror assembly includes an interior prismatic mirror reflective element having a wedge-shaped glass substrate having a circumferential edge along the periphery of said glass substrate. The circumferential edge spans a thickness of the glass substrate between its front and rear surfaces. The prismatic mirror reflective element has a mirror reflector established at the rear surface of the glass substrate. A plastic molding is circumferentially disposed about the circumferential edge of the glass substrate without overlapping onto the front surface of the glass substrate. The outermost part of the plastic molding curves and the plane of the front surface of the glass substrate is generally flush with the outermost part of the plastic molding. | 12-05-2013 |
20130321940 | MIRROR ASSEMBLY FOR VEHICLE - An interior rearview mirror assembly includes a mirror casing and a prismatic reflective element. The mirror casing is a unitarily molded mirror casing having at least one attachment surface. The prismatic reflective element includes a glass substrate having a front surface and a rear surface and a perimeter edge about a periphery of the glass substrate. A mirror reflector is established at the rear surface of the glass substrate. The perimeter edge of said glass substrate has a generally rounded surface disposed between the front surface and the mirror casing. The prismatic reflective element is attached at the attachment surface of the mirror casing. The perimeter edge of the glass substrate is exposed to and is viewable by the driver of the vehicle when the interior rearview mirror assembly is normally mounted in the vehicle. | 12-05-2013 |
20150329050 | FRAMELESS INTERIOR REARVIEW MIRROR ASSEMBLY - An interior rearview mirror assembly for a vehicle includes a mirror casing and a prismatic interior reflective element. The reflective element comprises a wedge-shaped glass substrate having a perimeter edge about a periphery of the glass substrate and extending between first and second surfaces thereof. The glass substrate has a mirror reflector established at the second surface. A front surface of the perimeter edge provides a smooth curved transition at the perimeter edge between a perimeter region of the first surface and the mirror casing. The front surface of the perimeter edge is rounded by at least one of grinding and polishing to provide a generally rounded curved surface between the first surface of the glass substrate and the mirror casing. The radius of curvature of the front surface is at least about 2.5 mm. No portion of the mirror casing encompasses the first surface of the glass substrate. | 11-19-2015 |
359834000 | Plural reflecting surfaces | 20 |
20080204911 | Decoration panel - A large number of small reflection portions are continuously formed over a back face of a base member opposite the light impinging side, in an arbitrary arrangement. The small reflection portions are each formed to have a boundary surface for reflection, interference, and diffraction of incident light impinging onto the base member, to thereby produce random changes in the brightness of reflection light over the entirety of the decoration panel. The small reflection portions have concave boundary surfaces having three-dimensional shape determined though imparting a 1/f fluctuation to a triangular-roof-like basic shape. When at least one of the direction of the incident light in relation to the base member, a viewing point in relation to the base member, and the position of the base member is changed, the small reflection portions generate an irregularly changing light-dark pattern in the brightness of reflection right from the small reflection portions. | 08-28-2008 |
20080218884 | OPTICAL ELEMENT FOR IMPROVING LASER BEAM POSITION - An optical element with improved deflection of a laser light beam calls for combination of a pentaprism with one or more glass blocks or an afocal optical system. A rotational angle-dependent parallel offset of emerging beams is eliminated for the most part. | 09-11-2008 |
20080218885 | Prism, Imaging Device and Lighting Device Including the Same, and Prism Manufacturing Method | 09-11-2008 |
20080218886 | LIGHT SOURCE APPARATUS - A conventional light source apparatus that combines incident light from a plurality of light sources by using prism sheets has the problem that the beam aspect ratio of incident light is undesirably changed so that exiting light has an extremely elliptical beam profile. The present invention provides a light source apparatus emitting light of circular beam profile having the same beam aspect ratio as that of incident light. The apparatus includes a plurality of light sources K and a plurality of prism sheets PS1 and PS2 each having a plurality of fine prisms on one surface thereof. The other surface of each prism sheet is a plane surface. The prism sheets are arranged in first and second stages as first and second beam profile transforming units such that their respective prism rows extend perpendicular to each other. The light sources are disposed at the entrance surface side of the first beam profile transforming unit at a predetermined angle thereto. | 09-11-2008 |
20090009895 | Light Collecting Device for Use in a Projection Apparatus - A light collecting device adapted for a projection apparatus is provided. The light collecting device at least comprises a light collecting rod that has a body, a longitudinal direction, an incident end, and an emergent end. The incident end comprises an incident surface and a reflecting surface, in which the incident surface is adjacent to the reflecting surface to form an included angle therebetween. The emergent end is opposite to the incident end. Thus, a first light beam passes through the incident surface of the incident end and travels along the body of the light collecting rod towards the emergent end along the longitudinal direction when a second light beam enters into the body of the light collecting rod. The second light beam is reflected by the reflecting surface of the incident end towards the emergent end along the longitudinal direction. | 01-08-2009 |
20090067072 | PRISM SYSTEM WITH PRISM SPACER - An exemplary prism system includes a first prism, a second prism, and a spacer. The first prism includes a first conjunction face and the second prism includes a second conjunction face. The first conjunction face and the second conjunction face are opposite each other. The spacer is disposed between the first conjunction face and the second conjunction face. The spacer is made of transparent material having a refractive index lower than that of the first prism and the second prism. Light entering the first prism can be totally reflected inside the prism system before leaving the second prism. | 03-12-2009 |
20090103196 | Optical Delay Module for Lengthening the Propagation Path of a Light Beam and Pulse Multiplication or Elongation Module - The invention relates to an optical delay module for lengthening the propagation path of a light beam comprises a first spherical mirror and a second spherical mirror, the first spherical mirror and the second spherical mirror having equal radii of curvature, the first and the second mirror being arranged on a common axis of symmetry with concave sides of the first and second mirrors being situated opposite one another at a distance from one another which corresponds to the radii of curvature of the first and second mirrors. The module also includes a coupling-in area for coupling the light beam into a space between the first and second mirrors and a coupling-out area for coupling the light beam out of the space between the first and second mirrors. The propagation path of the light beam between the coupling-in area and the coupling-out area corresponding at least approximately to quadruple the mirror distance, at least one optical arrangement arranged between the first and second mirrors, the optical arrangement being arranged to transfer the light beam between the first and second mirrors in such a way that the propagation path of the light beam without masking out of beam parts between the coupling-in area and the coupling-out area corresponds approximately to 2N times the mirror distance, where N is an integer >2. | 04-23-2009 |
20090262442 | IMAGE CAPTURING DEVICE - An image capturing device includes an image capturing unit, a fitting member, and a cover member. The image capturing unit captures a plurality of unit images having parallax by using a lens array having a plurality of unit lenses, and a prism. The fitting member is provided with a mounting portion upon which said prism is mounted. The cover member is put onto the fitting member from its side which faces the mounting portion. The mounting portion has a shape which, in the state in which the prism is mounted, grips two contiguous faces of the prism. And the cover member has a pair of claws which, when the cover member is put onto the fitting member, squeeze two contiguous faces of the prism which is mounted to the mounting portion. | 10-22-2009 |
20090296242 | MULTICOLOR DIODE-LASER MODULE - A multi-laser module includes two compartments arranged one above the other. The lower compartment includes four lasers and four corresponding beam-steering mirrors arranged to direct corresponding laser beams into the upper compartment. The upper compartment includes a regular pentagonal prism and four other beam-steering mirrors each arranged to receive one of the laser beams and direct that beam to the prism. The beam prism has three dichroic-coated surfaces and two antireflection-coated surfaces. Each of three of the beams enter the prism via a corresponding one of the dichroic-coated surfaces. The fourth beam enters the prism via one of the antireflection coated surfaces, and all of the beams exit the prism via the other antireflection coated surface along a common path. | 12-03-2009 |
20100091393 | OPTICAL APPARATUS - The invention relates to an optical apparatus allowing images in multiple directions to be simultaneously taken with simple construction using a prism optical system yet with high definitions even at wide angles of view. Specifically, the invention provides an optical apparatus using a prism optical system which has three optical surfaces: a first surface having transmission, a second surface having internal reflection plus transmission and a third surface having reflection and is formed of a medium having a refractive index of 1.3 or greater and in which light enters the medium through the first surface, is totally reflected at the second surface, and then reflected at the third surface | 04-15-2010 |
20100208372 | Compact Objective Lens Assembly for Simultaneously Imaging Multiple Spectral Bands - An objective lens assembly suitable for use in helmet-mounted applications. The objective lens assembly comprises two prisms that collectively are configured, oriented and bonded relative to each other to separate and allow simultaneous imaging of two separate spectral bands (such as VNIR and LWIR bands) received from the same object scene via a common window such that the object scene may be viewed from the same perspective without the effects of parallax. | 08-19-2010 |
20100321807 | DEVICE FOR SAMPLING A PLURALITY OF PARTS OF A LIGHT BEAM - Device for sampling a plurality of parts of a light beam, comprised of at least one optical component which comprises a plate made of a material which is transparent to the light beam, where this plate has first and second faces which are flat and parallel, and a third face which is flat and which forms a dihedron with the first face, where the angle of this dihedron is equal to π-α where 0<α≦Arcsin(1/n) where n if the refractive index of the material, so that by sending the light beam onto the first face, at an angle of incidence equal to Arcsin(n·sin(α)), a first sampled part ( | 12-23-2010 |
20120113537 | REFLECTORS MADE OF LINEAR GROOVES - An embodiment of a method of designing a grooved reflector comprises selecting two given wavefronts; and designing two surfaces meeting at an edge to form a groove such that the rays of each of the given wavefront become rays of a respective one of the given wavefronts after a reflection at each of the surfaces. Multiple grooves may be combined to form a mirror covering a desired area. A mirror may be manufactured according to the design. | 05-10-2012 |
20130094103 | PRISMATIC GLASS LAMINATE - A prismatic glass laminate comprising: (a) a substrate; and (b) a plurality of prismatic glass elements mounted on said substrate, each element comprising: (i) a mounting surface to which a laminating interlayer is applied, said laminating interlayer providing adhesion of said element to the substrate; and (ii) a lateral surface to which a laminating interlayer is applied, said laminating interlayer providing adhesion of said element to the lateral surface of an adjacent element. | 04-18-2013 |
20130176638 | OBJECTIVE OF AN ANGULARLY VIEWING, RIGID ENDOSCOPE - An objective of an oblique viewing, rigid endoscope, including a prism arrangement consisting of distal and proximal prisms contacting with planar contact surfaces that are oblique to an axis of the objective, the distal prism includes a distal front face toward the viewing direction of the objective, from which the rays entering there enter through the distal prism and through a passage area of the contact surfaces into the proximal prism and after double reflection in the proximal prism on a first mirror on a diagonal surface and a second mirror on the contact surface exit in the direction of the axis of the objective through a surface perpendicular to the direction of the axis of the objective, wherein the second mirror is arranged outside the penetration area, and an absorption layer is arranged in the plane of the second mirror between this and the penetration area. | 07-11-2013 |
20150116852 | DISPLAY APPARATUS HAVING BEZEL HIDING MEMBER - A display apparatus includes a display main body having a screen and a bezel that surrounds the screen, and a bezel hiding member mounted on the bezel to cover the bezel. The bezel hiding member includes a body portion configured to refract an image light that emitted from an edge region of the screen, and a plurality of prism projections formed to project from the body portion to change a path of the refracted image light to a front side of the display main body. | 04-30-2015 |
20150378163 | METHOD FOR MANUFACTURING LIGHT GUIDE DEVICE, LIGHT GUIDE DEVICE, AND VIRTUAL IMAGE DISPLAY APPARATUS - During the manufacturing of the light guide device ( | 12-31-2015 |
20180024332 | SIMULTANEOUS SPHERICAL PANORAMA IMAGE AND VIDEO CAPTURING SYSTEM | 01-25-2018 |
20190146228 | TOTAL INTERNAL REFLECTION PRISM UNIT, TOTAL INTERNAL REFLECTION PRISM ASSEMBLY INCLUDING THE SAME AND APPARATUS FOR FORMING A LINE BEAM INCLUDING THE SAME | 05-16-2019 |
359835000 | For binocular or porro-prism | 1 |
20120140349 | Porro Prism - The invention pertains to a Porro prism of the second type, with at least two interconnected reversing prisms that each provide two reflective inclined surfaces for a beam path between an entry surface and an exit surface, wherein the exit surface of one reversing prism and the entry surface of the other reversing prism form their respective connecting surface, and wherein the inventive Porro prism is characterized in that the connecting surface lies oblique to the optical axes of those sections of the beam path that penetrate the exposed entry and exit surfaces of the reversing prisms. | 06-07-2012 |
359837000 | With refracting surface | 16 |
20080253005 | ILLUMINATION SYSTEM - An illumination system including at least one coherent light source, a light uniforming element, and a prism is provided. The coherent light source is capable of emitting a coherent beam. The light uniforming element is disposed on a transmission path of the coherent beam. The prism is disposed on the transmission path of the coherent beam and between the coherent light source and the light uniforming element. The prism has a light incident end and a light exit end. The light incident end has at least one incident polygonal pyramid portion protruding away from the light exit end. The prism is capable of rotating about an axis, and the axis extends from the light incident end to the light exit end. The illumination system effectively reduces the degree of the speckle phenomenon. | 10-16-2008 |
20090080095 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface and a plurality of conical frustum micro-depressions and a plurality of triangular pyramidal micro-depressions. The first surface and the second surface are on opposite sides of the main body. The conical frustum micro-depressions are formed in the first surface and the triangular pyramidal micro-depressions are formed in the second surfaces. A backlight module using the present prism sheet is also provided. | 03-26-2009 |
20100271719 | ULTRA BROAD BAND BEAM STEERING APPARATUS AND METHOD USING CHALCOGENIDE-BASED RISLEY COMBINATION-PRISM PAIR - Beam steering apparatus is presented having a Risley double-prism pair with first and second double-prisms disposed along an optical path, where one or more of the prisms are made from a chalcogenide glass material. | 10-28-2010 |
20110080665 | VISUAL GAP MITIGATION APPARATUS FOR A SEGMENTED DISPLAY PANEL - A transparent bevel apparatus overlays marginal portions of juxtaposed display devices of a segmented display panel to obscure the visual gap between the display devices. The bevel apparatus at least partially overlaps only marginal pixels of the adjacent display devices, so that light from a given display device that passes through the bevel apparatus is bent toward from the respective display device at an angle with respect to the remainder of the emitted light. Consequently, light emitted from the marginal portions of the juxtaposed display devices is seen by the viewer in the place where the visual gap would otherwise be seen. The bevel apparatus may be constructed in the form of a sheet that overlays an entire display device, or all or a portion of the entire display panel, or a narrow strip that is aligned with the seams and affixed to juxtaposed faces of the display devices. | 04-07-2011 |
20110255186 | ILLUMINATION SYSTEM - An illumination system including at least one coherent light source, a light uniforming element, and a prism is provided. The coherent light source is capable of emitting a coherent beam. The light uniforming element is disposed on a transmission path of the coherent beam. The prism is disposed on the transmission path of the coherent beam and between the coherent light source and the light uniforming element. The prism has a light incident end and a light exit end. The light incident end has at least one incident polygonal pyramid portion protruding away from the light exit end. The prism is capable of rotating about an axis, and the axis extends from the light incident end to the light exit end. The illumination system effectively reduces the degree of the speckle phenomenon. | 10-20-2011 |
20130033772 | REFLECTIVE MATERIAL AND OPTICAL STRUCTURE - A reflective material ( | 02-07-2013 |
20130222931 | PRISM SHEET AND DISPLAY DEVICE - The present invention discloses a prism sheet and a display device comprising the prism sheet for improving performances of a backlight module in a liquid crystal display device. The prism sheet comprises a first substrate and a second substrate, wherein the first substrate comprises a first surface and a second surface opposite to the first surface, and the second surface comprises a plurality of first protrusions arranged in parallel along a first direction; the second substrate comprises a third surface and a fourth surface opposite to the third surface, the third surface comprises a plurality of second protrusions arranged in parallel along the first direction, and the fourth surface comprises a plurality of third protrusions arranged in parallel along a second direction; and the second surface and the third surface are joined by meshing of the first protrusions with the second protrusions. | 08-29-2013 |
20130258509 | IMAGE DISPLAY DEVICE - An image display device capable of maintaining continuity of images of adjacent image display elements on a display screen that is composed of a plurality of image display element includes image display elements ( | 10-03-2013 |
20140211331 | MULTIPLE SEQUENCED DAYLIGHT REDIRECTING LAYERS - Some solar light redirecting glazing constructions include a glazing substrate and two solar light redirecting layers present on the two major surfaces of the glazing substrate. Other solar light redirecting glazing constructions include two glazing substrates, each glazing substrate having a light redirecting layer present on one of the major surfaces of the glazing substrate. The light redirecting layers are microstructured surfaces forming a plurality of prism structures. At least one of the microstructured surfaces is an ordered arrangement of a plurality of asymmetric refractive prisms, and the two solar light redirecting layers are not identical or mirror images. | 07-31-2014 |
20150009587 | PRISM SHEET MEMBER AND MULTIVISION DISPLAY APPARATUS HAVING THE SAME - A prism sheet member and a multivision display apparatus having the same are provided. The prism sheet member includes an insertion portion configured to be inserted into a boundary gap between two display panels; and a first extension portion configured to extend from the insertion portion to cover a part of the non-display portion of the corresponding display panel of the two display panels. | 01-08-2015 |
20150055235 | OPTICAL SHEET CONTROLLING EXTERNAL LIGHT, DISPLAY DEVICE AND METHOD FOR PRODUCING OPTICAL SHEET - An optical sheet, which can suitably absorb external light over a wide range and can improve a contrast, a display device, and a method for producing an optical sheet. The optical sheet is disposed on an observer side relative to an image light source and includes a plurality of layers that control light emitted from the image light source to emit the light on the observer side, at least one of the plurality of layers is an optical functional sheet layer which includes prisms being arranged in parallel along the surface of the optical sheet whereby light can be transmitted and wedge portions are being arranged in parallel between the prisms whereby light can be absorbed. At least one of the plurality of layers other than the optical functional sheet layer is a light-absorbing layer. | 02-26-2015 |
20150370055 | Non-Imaging Solar Concentrator and Cosine Factor Correction Device Using Compound Polyhedral Surfaces and Method of Use Thereof - A compound polyhedral concentrator (CPOC) lens is disclosed with one smooth curved surface facing the sun and an inner surface comprised of a 3D pattern of interpenetrating minimum deviation prisms with a common origin facing the absorber. This new type of stationary solar concentrator is used to extend the acceptance angles by minimizing blocking and tip optical losses that are common with radial Fresnel design forms. Moreover, when considering the extended time period for non-tracking of the sun's movement commensurate with the increased acceptance angles the total energy collected using a combination of a CPOC lens and a photovoltaic device will be greater than the total energy collected using the photovoltaic device by itself. | 12-24-2015 |
20160048008 | Tracking-Free High Concentration Ratio Solar Concentrator - A stationary concentrator able to concentrator sunlight with high concentration ratio is consists of a Compound Parabolic Concentrator (CPC) and a prism array. A chamber with its thin transparent wall shaped into CPC and prism array is used to form a bulb-like close structure solar concentrator. Wherein, the non-image CPC with small acceptance half-angle is used to concentrate both beam light and diffuse light with high concentration ratio, and the prism array is used to refract the incident light to enlarge the acceptance angle of CPC, and therefore to realize stationary concentration. The bulb-like close structure concentrators are stacked together to realize arbitrary high concentration ratio of solar concentrator. The present concentrator structure enables the connection of truncated CPC to realize high concentration ratio and save the reflector areas. The stationary concentrator is able to concentrate both of beam light and diffuse light. | 02-18-2016 |
20160178914 | PRISM BEAM EXPANSION SYSTEM | 06-23-2016 |
20160252661 | OPTICAL FILM | 09-01-2016 |
20180024282 | LIGHT CONTROL PLATE, DUAL-VIEW DISPLAY PANEL AND DISPLAY DEVICE | 01-25-2018 |