Lenticular Patents (Class 359/455)
-
Publication number: 20080074741Abstract: A shower door having a lenticular image. The door member includes a first substrate layer on which a first interlaced image is printed. The door member also includes a lenticular lens layer registered with the interlaced image to have the effect of displaying a lenticular image. A frame preferably seals the edges of the door member to minimize intrusion of foreign matter including water. The door member may include an adhesive layer to attach the substrate to the lenticular lens layer or the substrate may be laminated to the lenticular lens layer.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Inventor: Cheryl Bartley
-
Patent number: 7349154Abstract: The reflection type screen comprises a reflection layer which is disposed on the opposite side to the projected light incident side of the screen, a horizontal view angle increasing layer which is disposed on the light incident side of the reflection layer, and a diffusion layer which is disposed on the light incident side of the horizontal view angle increasing layer. The horizontal view angle increasing layer has an array of convex ridges which are raised in a rear direction of the screen. Since the longitudinal direction of the ridges is aligned with the vertical direction of the screen, the view angle characteristics of the screen in a horizontal direction are improved and the diffusion characteristics of the screen in a vertical direction can be suppressed for preventing external disturbing light from an upper illumination light from being reflected toward the observers.Type: GrantFiled: April 27, 2004Date of Patent: March 25, 2008Assignee: Sharp Kabushiki KaishaInventors: Tomoyuki Aiura, Shuichi Yoshinaka, Takao Abumi, Haruhisa Takiguchi
-
Patent number: 7345821Abstract: A microlens substrate for an opposed substrate for use in a liquid crystal panel is provided.Type: GrantFiled: August 31, 2006Date of Patent: March 18, 2008Assignee: Seiko Epson CorporationInventor: Nobuyuki Miyao
-
Patent number: 7330311Abstract: There is provided a transmission type screen having a directional light scattering lens and a fresnel lens, wherein the fresnel lens has contact portions that contact with the directional light scattering lens and non-contact portions which are provided between the contact portions, whose height is lower than that of the contact portions and which do not contact with the directional light scattering lens. The invention realizes the very practical transmission type screen that allows viewers to appreciate good images in which blur and Moire are inconspicuous by preventing the blur from occurring on the screen and by reducing the intensity of Moire which is caused by the periodic structure of the fresnel and lenticular lenses.Type: GrantFiled: July 8, 2005Date of Patent: February 12, 2008Assignee: Arisawa Mfg. Co., Ltd.Inventors: Makoto Soyama, Masato Fuse
-
Front projection screens including reflecting and refractive layers of differing spatial frequencies
Patent number: 7324276Abstract: Projection screens include a substrate, a reflective layer on the substrate and a refractive layer on the substrate. The reflective layer includes reflective microstructures of about 5 ?m to about 500 ?m in size, and arranged in a first pattern to reflect light at a first spatial frequency. The refractive layer includes refractive microstructures of about 5 ?m to about 500 ?m in size, and arranged in a second pattern that is different from the first pattern, to refract light at a second spatial frequency that is different than the first spatial frequency. Related fabrication methods also are described.Type: GrantFiled: July 12, 2005Date of Patent: January 29, 2008Assignee: Bright View Technologies, Inc.Inventor: Robert L. Wood -
Patent number: 7312926Abstract: An apparatus for displaying a lenticular image comprising a lenticular image sheet and a lenticular lens sheet. The apparatus comprising a housing adapted to receive the lenticular image sheet and lenticular lens sheet so as to allow relative sliding movement between the two in a direction substantially perpendicular to the longitudinal axes of lenses on the lens sheet. The housing includes means for retaining the lenticular image sheet in a fixed position relative to the housing, and means for actuating the lenticular lens sheet in said direction of movement.Type: GrantFiled: October 22, 2004Date of Patent: December 25, 2007Assignee: Marketing Works International LimitedInventor: Robert J Hunt
-
Patent number: 7307107Abstract: A photopolymerizable composition comprising a polymerizable compound and a photopolymerization initiator, wherein the polymerizable compound is characterized by comprising (a) a bifunctional (meth)acrylic acid (thio)ester compound containing a sulfur atom in the molecule and (b) at least one of a (meth)acrylic acid ester compound represented by the general formula (1) or a bifunctional (meth)acrylic acid ester compound having a urethane linkage: wherein R1 and R2 are each independently a hydrogen atom or a methyl group; R3 and R4 are each independently an alkyl group, an aralkyl group, an aryl group or a halogen atom; m and n are each an integer of 0 to 2; X1 is an alkylidene group having 1 to 3 carbon atoms; and Y1 and Y2 are each independently a poly(oxyalkylene) group with the proviso that at least one of Y1 and Y2 is a poly(oxyalkylene) group having a hydroxy group.Type: GrantFiled: July 17, 2003Date of Patent: December 11, 2007Assignee: Mitsui Chemicals, Inc.Inventors: Masao Imai, Mitsuo Nakamura, Hiroshi Naruse, Osamu Kohgo, Masahiro Enna, Atsuo Otsuji
-
Patent number: 7303806Abstract: A sheet for a writing board and a reflection type screen has excellent writability and erasability when used as a writing board and excellent anti-glare property without hot spots when used as a reflection type screen. This sheet includes a resin layer presenting a writing surface with unevenness having an arithmetical mean deviation (JIS-B-0601) of 1.0-4.0 ?m and a mean spacing of profile irregularities (JIS-B-0601) between adjacent protrusions of 30-300 ?m formed by embossing. The resin layer preferably contains as an ultraviolet ray curable resin. Since the unevenness is formed on the resin layer by embossing, ink does not penetrate the resin layer and hence the sheet has excellent erasability.Type: GrantFiled: November 6, 2000Date of Patent: December 4, 2007Assignee: Kimoto Co., Ltd.Inventors: Koji Tatsuki, Hideo Takamoto, Kazuharu Seki
-
Publication number: 20070248774Abstract: A printing medium includes: a rectangular lens sheet that has a surface formed in a predetermined lens shape; and a thin base that is fixed to a rear surface of the lens sheet on which no lens is formed and has an extending portion extending from one side of the lens sheet to the outside. In the printing medium, when a region corresponding to the rear surface of the lens sheet is referred to as a unit region, the extending portion includes a plurality of unit regions adjacent to one another with adjacent portions, which are common sides, interposed therebetween, and a first printing surface and a second printing surface having predetermined images formed thereon are formed in corresponding unit regions on one surface of the base that is fixed to the rear surface of the lens sheet or the other surface of the base. In addition, at least one unit region is additionally interposed between the unit region where the first printing surface is formed and the unit region where the second printing surface is formed.Type: ApplicationFiled: April 24, 2007Publication date: October 25, 2007Applicant: SEIKO EPSON CORPORATIONInventors: Katsuhito SUZUKI, Mitsuaki YOSHIZAWA, Mitsuru NAKATA, Fumiaki MUKAIYAMA
-
Patent number: 7262912Abstract: A front-projection screen can include a substrate having first and second opposing sides with an array of optical microstructures on the first side of the substrate and an image reflecting layer on the second side of the substrate opposite the array of optical microstructures. An optically absorbing layer is located between the image reflecting layer and the array of optical microstructures, the optically absorbing layer includes an array of apertures therein exposing portions of the image reflecting layer therethrough.Type: GrantFiled: March 22, 2006Date of Patent: August 28, 2007Assignee: Bright View Technologies, Inc.Inventor: Robert L. Wood
-
Publication number: 20070188861Abstract: An optical sheet includes a first plane, a second plane facing the first plane and a plurality of optical patterns. The optical patterns are formed on the second plane along a plurality of columns. An optical pattern includes a plurality of convex light-condensing portions. End portions of the light-condensing portions are connected to each other continuously and form crests and troughs. The optical patterns disposed in adjacent columns share a common side.Type: ApplicationFiled: January 30, 2007Publication date: August 16, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joong-Hyun KIM, In-Sun HWANG, Seong-Yong HWANG, Kang-Woo LEE
-
Patent number: 7251074Abstract: A projection screen and method of manufacturing provides clear images regardless of the brightness of the environment within which the projection screen is used. The projection screen includes an optical thin film comprised of a multilayer dielectric having alternating high reflectance layers for light in a particular wavelength and high transmittance for visible light except in particular wavelength ranges. The thickness of each of the dielectric multilayer is determined so that the optical thin film forms a band-pass filter.Type: GrantFiled: March 14, 2003Date of Patent: July 31, 2007Assignee: Sony CorporationInventors: Kazuhito Shimoda, Toshitaka Kawashima
-
Publication number: 20070171523Abstract: A projection screen and a projection display apparatus include a film unit. The projection screen includes a total reflection prism lens having a plurality of total reflection prism unit lenses formed on the rear surface on which imaging light is incident; and a lenticular lens installed close to the total reflection prism lens, and having a plurality of lenticular unit lenses for spreading an incident light from the total reflection prism lens. Each of the plurality of lenticular unit lenses has a trapezoidal shape in a horizontal cross-section and vertical cross-section. The projection screen has wide view angles in both horizontal and vertical directions, and an improved contrast ratio for external light.Type: ApplicationFiled: January 9, 2007Publication date: July 26, 2007Inventor: Seok-il Yoon
-
Patent number: 7248410Abstract: There is provided a transmission type screen that can suppress deterioration of image quality due to glare distortion of external light and the like that occurs on a screen surface while keeping a feeling (a glossy feeling of an image) as if a CRT-TV is directly viewed. The transmission type screen 10 is arranged by combining a plurality of screen members (for example, a lenticular lens sheet 11 and a Fresnel lens sheet 12), which realize various optical functions such as transmission, diffusion, condensing and the like of light, with each other. A smooth surface having a surface roughness Ra of 0 ?m?Ra?0.5 ?m is formed on the viewer side surface of a nearest-to-viewer side screen member (for example, the lenticular lens sheet 11) of the plurality of screen members, as well as the amount of warping D of the nearest-to-viewer side screen member (for example, the lenticular lens sheet 11) is ?10 mm?D?15 mm.Type: GrantFiled: September 8, 2005Date of Patent: July 24, 2007Assignee: Dai Nippon Printing Co., Ltd.Inventor: Hideki Miyata
-
Patent number: 7248407Abstract: The present invention discloses a microlens array sheet of a projection screen including a lens sheet having a predetermined area, microlenses arranged on one surface of the lens sheet in the horizontal and vertical directions, a black matrix including apertures corresponding to the microlenses, and being adhered to the other surface of the lens sheet, an optical diffusing layer formed on the lens sheet to cover the black matrix, for widening a viewing angle, and a protecting film for protecting the optical diffusing layer. The microlens array sheet of the projection screen is manufactured by using a process for manufacturing a semiconductor device, a reflow process and a plating process for a mold, thereby improving luminance and definition of the projection screen at a low unit cost of production.Type: GrantFiled: June 4, 2004Date of Patent: July 24, 2007Assignees: LG Electronics Inc., LG Micron Ltd.Inventors: Hyouk Kwon, Young-Joo Yee, Chang-Hoon Oh, Gun-Woo Lee, Ki-Won Park, Dong-Mug Seong
-
Patent number: 7242525Abstract: A container for producing a graphical image within the container. The container includes a container wall with a front portion and a rear portion. A label is included that extends about the circumference of the container with an inner surface contacting an exterior surface of the rear portion of the container wall and contacting an exterior surface of the front portion of the container wall. The label includes a lenticular lens array integral with the label to include a plurality of lenses formed, such as through embossing, on the outer surface of the label. The lenses have a focal point on or about the rear portion of the container wall with the lenticular lens array positioned near the front portion of the container wall. A printed image is provided and positioned proximal to the focal point on the inner surface of the label.Type: GrantFiled: March 22, 2006Date of Patent: July 10, 2007Assignee: Genie Lens Technologies, LLCInventor: Mark A. Raymond
-
Patent number: 7239445Abstract: The present invention is a broadband projection-receiving surface that can function as a projection screen. This surface can, even in strong ambient light, provide high gain, prevent glare and speckle, provide high contrast, preserve of gray-scale linearity, provide a uniformity of brightness, provide rapid angular cut-off, preserve polarization, and provide the ability to function over a large spectral range. These achievements result from a production method that utilizes purposeful partitioning of the material processes used in sub-wavelength morphology (finish) from the processes used to make super-wavelength morphology (figure).Type: GrantFiled: October 7, 2004Date of Patent: July 3, 2007Assignee: Merlin Technology Limited Liability CompanyInventor: Peter D. Pouslen
-
Patent number: 7232221Abstract: A system constructs an image using virtual lenslets.Type: GrantFiled: February 24, 2004Date of Patent: June 19, 2007Assignee: Searete, LLCInventors: W. Daniel Hillis, Nathan P. Myhrvold, Lowell L. Wood, Jr.
-
Patent number: 7224530Abstract: A scanning module for scanning a document is provided. The scanning module comprises: a chassis; a light source on the chassis for emitting a light ray onto the document; a plurality of reflectors inside the chassis; a lens inside the chassis; an image sensing device inside the chassis, an image of the document being reflected by the plurality of reflectors and formed on the image sensing device, the image sensing device including a plurality of sensing cells; and a plurality of microlenses on the plurality of sensing cells, each of the plurality of microlenses having a top surface and a bottom surface, the top surface having a plurality of notches as an input window for changing an incident angle of the light ray, the bottom surface having a plurality of round curves as an output window for further focusing the light ray.Type: GrantFiled: December 23, 2005Date of Patent: May 29, 2007Inventor: Ann-Lun Lee
-
Patent number: 7212339Abstract: A purpose of the present invention is to provide a simple configuration for bonding a lenticular lens sheet, a front sheet, and light diffusion layers together to reduce cost. To accomplish the above purpose, the present invention comprises: a lenticular lens sheet (20); a front sheet (30); a first adhesive layer (35) for bonding the lenticular lens sheet (20) and the front sheet (30) together, the first adhesive layer (35) being disposed between the lenticular lens sheet (20) and a light incident side of the front sheet (30); an AR film (40); and a second adhesive layer (36) for bonding the front sheet (30) and the AR film (40) together, the second adhesive layer (36) being disposed between a light exit side of the front sheet (30) and the AR film (40); wherein light diffusion materials are spread in the first and second adhesive layers to add a light diffusion function to the layers.Type: GrantFiled: December 6, 2005Date of Patent: May 1, 2007Assignee: Hitachi, Ltd.Inventors: Koji Hirata, Akinori Maeda, Nobuo Masuoka
-
Patent number: 7199930Abstract: The present invention discloses a light modulation element, having a first optical surface and a second optical surface receiving an incident light, the light modulation element comprising: at least a transparent diffusion unit, for scattering the incident light, each being placed on the first optical surface; and at least a transparent collimation unit, for collimating the incident light, each being formed on top of the diffusion unit.Type: GrantFiled: June 13, 2005Date of Patent: April 3, 2007Assignee: Industrial Technology Research InstituteInventors: Po-Hung Yao, I-Kai Pan, Heng-Chun Huang, Yu-Nan Pao, Yi-Ting Sun
-
Patent number: 7190516Abstract: There is provided a screen, which, with a simple configuration, is capable of effectively utilizing light projected thereon and realizing an even luminance distribution on the screen. This screen has a diffusion layer whose diffusion characteristic expressed as a luminance distribution with respect to a scattering angle of incident light incident at an angle of 0° is varied such that the peak position of the luminance distribution is shifted towards a greater value of scattering angle in the direction of the central portion of the screen the greater the distance from the central portion of the screen is. The present invention also provides an optical film suitable for use in such a screen, and a manufacturing method therefor.Type: GrantFiled: March 20, 2006Date of Patent: March 13, 2007Assignee: Sony CorporationInventors: Hideya Chubachi, Masayasu Kakinuma, Hiroshi Hayashi, Kazuhito Shimoda, Tomoharu Mukasa, Shina Kuriki
-
Patent number: 7184210Abstract: A film for a screen has a light transmitting substrate and a plurality of structures disposed on the substrate. An optical material at least partially fills cavities between the structures. A method of forming a film includes providing a light transmitting substrate having a plurality of structures disposed thereon and at least partially filling the cavities therebetween with an optical material.Type: GrantFiled: March 23, 2006Date of Patent: February 27, 2007Assignee: 3M Innovative Properties CompanyInventors: Patrick A. Thomas, John C. Nelson, Scott M. Tapio, Michael L. Graetz, Amy J. Gates, Peter M. Olofson, Robert L. Brott, Robert S. Moshrefzadeh
-
Patent number: 7167306Abstract: The present invention provides an excellent transmissive screen allowing a well-balanced increase in the vertical, horizontal, and oblique viewing angle characteristics for enhancing the viewing angle characteristics, and a rear projector including the transmissive screen. A transmissive screen can include a Fresnel lens portion having Fresnel lens components on its light-exiting surface, and a microlens array portion disposed at the light-exiting surface side of the Fresnel lens portion and having many microlenses on its light-incident surface. The microlenses of the microlens array portion are arrayed vertically and horizontally such that adjacent microlenses have common sides and the microlens array portion is rotated by 45°.Type: GrantFiled: August 26, 2003Date of Patent: January 23, 2007Assignee: Seiko Epson CorporationInventors: Masafumi Sakaguchi, Hideto Yamashita
-
Patent number: 7164537Abstract: A container for producing a graphical image within the container. The container includes a container wall with a front portion and a rear portion. A label is included that extends about the circumference of the container with an inner surface contacting an exterior surface of the rear portion of the container wall and contacting an exterior surface of the front portion of the container wall. The label includes a lenticular lens array integral with the label to include a plurality of lenses formed, such as through embossing, on the outer surface of the label. The lenses have a focal point on or about the rear portion of the container wall with the lenticular lens array positioned near the front portion of the container wall. A printed image is provided and positioned proximal to the focal point on the inner surface of the label.Type: GrantFiled: March 22, 2006Date of Patent: January 16, 2007Assignee: Genie Lens Technologies, LLCInventor: Mark A. Raymond
-
Patent number: 7164536Abstract: A brightness enhancing structure for a reflective display. A plurality of transparent hemi-beads form a film substantially covering and protruding inwardly from the structure's inward surface. A corresponding plurality of microstructured toroidal lenses are provided on the structure's outward side. Each lens is optically coupled to an adjacent one of the hemi-beads to redirect incident light rays toward the adjacent hemi-bead, such that the redirected light is totally internally reflected by the hemi-bead and reflected back in a direction approximately opposite that of the incident rays. This substantially reduces undesirable dark, non-reflective circular regions of each hemi-bead which would otherwise exist in the absence of this invention.Type: GrantFiled: March 16, 2005Date of Patent: January 16, 2007Assignee: The University of British ColumbiaInventor: Lorne A. Whitehead
-
Patent number: 7154675Abstract: An image display apparatus includes a display having an image display surface which displays a two-dimensional image of an object including a three-dimensional object, and an image transmitting panel spaced apart from the image display surface for creating an imaging plane displaying a real image of the two-dimensional image in a space opposite to the display. The image transmitting panel and the imaging plane are non-parallel with each other.Type: GrantFiled: October 27, 2003Date of Patent: December 26, 2006Assignee: Pioneer CorporationInventors: Masaru Ishikawa, Takashi Nakano, Akira Imamura
-
Patent number: 7130126Abstract: The present invention relates to a three-dimensional plastic sheet that forms an array of convex lenses having a plurality of semispherical convex lenses arranged horizontally and vertically on the surface thereof, such that a three-dimensional image can be vividly seen even at every positions irrespective of the position or direction of the plastic sheet, while greatly minimizing the generation of moire patterns caused by the interference of different color dots.Type: GrantFiled: March 16, 2006Date of Patent: October 31, 2006Assignee: Mirceo Korea Co., Ltd.Inventor: Hyunin Chung
-
Patent number: 7110176Abstract: A reflex-type screen for reflecting obliquely projected light from a projector to a front of the screen. The screen includes a light absorbing base material and a plurality of inclined planes disposed on the base material. The planes are arranged such that projected light do not enter non-projector side inclined planes, and the projector side and non-projector side planes alternate to form a saw-tooth shaped arrangement. A light reflecting white resin layer is disposed on the projector side planes to reflect light from the projector to the front of the screen. A transparent light diffusing layer including binding agent and diffusing agent is formed to cover the white resin layer and the base material, including all inclined planes. The non-projector side inclined planes absorbs incident light and the diffusing layer diffuses light reflected by the white resin layer.Type: GrantFiled: August 12, 2004Date of Patent: September 19, 2006Assignee: Arisawa Mfg. Co., Ltd.Inventors: Hajime Maruta, Takahiro Koyanagi, Masatoshi Niwa
-
Patent number: 7106506Abstract: A high contrast lenticular lens sheet that can improve the brightness of an image and the angle of visibility. When it is assumed that P represents the pitch of the lens element and H represents the width of the black stripe portion as viewed in a cross section perpendicular to the lens element, the difference F in height between the black stripe portion and the lens element is set to have a range that is expressed by the inequality: 0.098 P?F?(P?H)/2 tan(?/3). Simultaneously, the width B as measured from an apex portion of the black stripe portion in regard to a colored portion on a side wall of the black stripe portion is set to have a range that is expressed by the inequality: 0.30 F?B?0.89 F.Type: GrantFiled: September 27, 2005Date of Patent: September 12, 2006Assignee: Dai Nippon Printing Co., Ltd.Inventors: Katsunori Takahashi, Toshie Chijiwa
-
Patent number: 7095557Abstract: A projection screen includes a plurality of convex portions serving as a light diffusion control portion, on the surface of a substrate. An optical thin film overlies the substrate and has convex portions having the same shape as that of the convex portions of the substrate. When external light enters the optical thin film with light in three primary color wavelength bands, the optical thin film reflects only the light in the three color wavelength bands and absorbs at least visible light of the external light. When light in the three primary color wavelength bands perpendicularly enters the optical thin film, the rays of the light have incident angles at the convex portions of the optical thin film and diffuse-reflected at angles twice the incident angles. Thus, a predetermined percentage of the light is diffused to increase the viewing angle of the screen.Type: GrantFiled: April 5, 2005Date of Patent: August 22, 2006Assignee: Sony CorporationInventors: Junichi Ohsako, Masayasu Kakinuma, Hideya Chubachi, Hiroshi Hayashi
-
Patent number: 7092166Abstract: Microlens sheets include a first array of anamorphic micolenses on a face of a substrate. The microlenses in the first array are defined by a first parametric model along a direction of the first array. A second array of anamorphic micolenses is also provided on the face of the substrate, and interspersed with the first array. The microlenses in the second array are defined by a second parametric model that is different from the first parametric model, along the direction of the first array.Type: GrantFiled: April 25, 2005Date of Patent: August 15, 2006Assignee: Bright View Technologies, Inc.Inventor: Robert L. Wood
-
Patent number: 7092164Abstract: A lens array capable of effectively converging light entering from a light source and constituting a liquid crystal device of a high contrast includes liquid crystal of a twisted nematic type sandwiched between a TFT substrate and a counter substrate. A micro lens array is formed in the counter substrate. Lenses constituting the micro lens array respectively have a shape of a rotational aspheric surface, and an optical center axis F thereof is tilted in a bright vision direction of the liquid crystal.Type: GrantFiled: August 27, 2004Date of Patent: August 15, 2006Assignee: Omron CorporationInventors: Kenji Sakurai, Daido Uchida, Shigeru Aoyama
-
Patent number: 7088508Abstract: In order to provide a dual-surface lens sheet in which a color shift is reduced and positions of unit lenses on a front surface and a back surface are easily aligned even if the unit lenses are disposed in fine pitch when used for a rear projection screen which is used for a display device using a plurality of projector as light sources, a half-column-cylindrical-convex-lens is used in a lens sheet having lens sections on front surface and a back surface such that pitch ratio for disposing the unit lenses on the front surface and the back surface is in a range of 1:2 to 1:30 and disposition directions of the lens sections are uniform.Type: GrantFiled: June 18, 2002Date of Patent: August 8, 2006Assignee: Toppan Printing Co., Ltd.Inventors: Kazuyoshi Ebina, Takashi Abe, Masaru Miyashita, Susumu Takahashi
-
Patent number: 7088515Abstract: A dual mode autostereoscopic lens sheet. The lens sheet has at least one refractive region and at least one non-refractive region. When the lens sheet is held in intimate juxtaposition with a display, stereoscopic content may be viewed in the refractive region while planar content may be simultaneously viewed in the non-refractive region. In a preferred embodiment, the non-refractive region forms a vertical column on one end of the lens sheet and the refractive region forms a vertical column on the other end of the lens sheet. Advantageously, the refractive region defines a picture area having an aspect ratio of approximately 1.3:1.Type: GrantFiled: February 12, 2004Date of Patent: August 8, 2006Assignee: StereoGraphics CorporationInventor: Lenny Lipton
-
Patent number: 7075718Abstract: A transparent screen includes a refraction/total reflection plate in a form of a Fresnel lens, the refraction/total reflection plate having a sawtooth surface upon which light is incident and another surface via which the light exits, and an image formation/display plate for forming a projection image from the light that exits from the refraction/total reflection plate. Refraction slating surface portions each for refracting incident light towards the other surface of the refraction/total reflection plate, transmission slating surface portions each for making incident light pass therethrough, and total reflection slating surface portions each for reflecting incident light passing through one transmission slating surface portion towards the other surface of the refraction/total reflection plate being formed concentrically on the sawtooth surface of the refraction/total reflection plate.Type: GrantFiled: November 26, 2002Date of Patent: July 11, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hiroshi Suzuki, Takao Endo, Shinsuke Shikama, Shuso Wadaka, Kohei Teramoto, Kuniko Kojima, Shigekazu Tsuda
-
Patent number: 7063872Abstract: A film having a high transmittance and matt property is disclosed which has, on a transparent support 1, a hard coat layer 2 incorporated therein particles 4 of a particle size of 1.0 to 10 ?m that is larger than the layer thickness thereof, and a low-refractive-index layer 3 having a refractive index of 1.45 or less and covering said hard coat layer, wherein a haze value is 1.0% or more, and a total transmittance of light is 93.5% or more. The film having a high transmittance can prevent occurrence of unevenness of display due to thermal expansion of a light-tuning film and occurrence of unevenness of brightness peculiar to the light-tuning film.Type: GrantFiled: February 4, 2000Date of Patent: June 20, 2006Assignee: Fuji Photo Co., Ltd.Inventors: Ichiro Amimori, Hiroshi Inoue, Hidetoshi Watanabe
-
Patent number: 7057812Abstract: A projection screen includes a substrate having at least a first surface, a reflective layer having a first surface and an opposing second surface, and diffusion layer having a first surface defined by a matte finish and an opposing second surface. The second surface of the reflective layer is attached (e.g., via an adhesive) to the first surface of the substrate and the second surface of the diffusion layer is attached (e.g., via an optically transparent adhesive) to the first surface of the reflective layer. The projection screen is preferably flexible and wound around a conventional roller to form a projection screen system. Alternatively, the projection screen may be attached to a rigid substrate. The second surface of the diffusion layer has a preferably smooth finish, but may include desired irregularities to achieve a desired screen directivity performance.Type: GrantFiled: November 21, 2003Date of Patent: June 6, 2006Inventor: Howard Sinkoff
-
Patent number: 7057823Abstract: A container for producing a graphical image within the container. The container includes a container wall with a front portion and a rear portion. A label is included that extends about the circumference of the container with an inner surface contacting an exterior surface of the rear portion of the container wall and contacting an exterior surface of the front portion of the container wall. The label includes a lenticular lens array integral with the label to include a plurality of lenses formed, such as through embossing, on the outer surface of the label. The lenses have a focal point on or about the rear portion of the container wall with the lenticular lens array positioned near the front portion of the container wall. A printed image is provided and positioned proximal to the focal point on the inner surface of the label.Type: GrantFiled: October 24, 2005Date of Patent: June 6, 2006Inventor: Mark A. Raymond
-
Patent number: 7054068Abstract: A lens array sheet, a transparent screen using the same, and a rear-projection display device are provided in which it is possible to control a perspective angle for the image in both a horizontal direction and a vertical direction without causing a problem in that a gain (brightness) of a light is reduced by an optical absorption and an S/N ratio is reduced by an increased white dispersion. A first lens array 18 and a second lens array 20 which are formed by disposing a plurality of half-cylindrical lenses 17, 19 in parallel on a common plain (a surface of a base member layer 13a) such that longitudinal directions of the cylindrical lenses 17, 19 should be orthogonal to each other. Unified lens array layer 13b and a shading layer 16 in which a section through which a light does not transmit is formed on a focal plain of the lens array layer 13b form a lens array sheet. Furthermore, fresnel lens are combined so as to form a transparent screen.Type: GrantFiled: December 3, 2002Date of Patent: May 30, 2006Assignee: Toppan Printing Co., Ltd.Inventors: Tsutomu Yoshida, Kazuyoshi Ebina, Takashi Abe, Susumu Takahashi
-
Patent number: 7038854Abstract: A container for producing a graphical image within the container. The container includes a container wall with a front portion and a rear portion. A label is included that extends about the circumference of the container with an inner surface contacting an exterior surface of the rear portion of the container wall and contacting an exterior surface of the front portion of the container wall. The label includes a lenticular lens array integral with the label to include a plurality of lenses formed, such as through embossing, on the outer surface of the label. The lenses have a focal point on or about the rear portion of the container wall with the lenticular lens array positioned near the front portion of the container wall. A printed image is provided and positioned proximal to the focal point on the inner surface of the label.Type: GrantFiled: July 15, 2005Date of Patent: May 2, 2006Inventor: Mark A. Raymond
-
Patent number: 7038851Abstract: An image display device includes a display portion, an image transmission panel, a stereo frame and a video signal supply portion. The display portion has an image display surface for displaying an image inclusive of a stereo image. The image transmission panel is disposed in a space on a side opposite to the display portion so as to be separated from and parallel to the image display surface. The image transmission panel forms the image displayed on the image display surface. The stereo frame is disposed on a part of an image-forming plane where the image is formed. The video signal supply portion supplies a video signal to the display portion so that the stereo image formed on the image-forming plane moves between an inside space of the stereo frame and an outside space of the stereo frame.Type: GrantFiled: April 28, 2003Date of Patent: May 2, 2006Assignee: Pioneer CorporationInventors: Masaru Ishikawa, Hiroshi Toriumi
-
Patent number: 7029128Abstract: A table type display device, in which a high resolution display with an unremarkable connection is realized at the time of large screen display by using a screen with a composition having few bending is described. In a table type display device comprising plural M of projectors 1L, 1R for projecting luminous flux to form an image, plural N of reflection mirrors 2L, 2R for bending optical paths of luminous fluxes projected from respective plural M of projectors 1L, 1R, screen 3 of horizontal installation type for projecting luminous fluxes for which optical path is bent, by the plurality N of reflection mirrors 2L,2R onto the predetermined region, respectively, the screen comprises a transparent base member 7 for reducing flexure of the screen, optical sheet 9 substantially for making luminous fluxes projected respectively from the plural M of projectors 1L,1R uniform, and a diffusing screen for imaging the image.Type: GrantFiled: June 4, 2003Date of Patent: April 18, 2006Assignee: Olympus Optical Co., Ltd.Inventors: Tadashi Nishio, Ikuharu Sadano, Atsutoshi Yokota, Takanori Ishizawa
-
Patent number: 7019899Abstract: There is provided a screen, which, with a simple configuration, is capable of effectively utilizing light projected thereon and realizing an even luminance distribution on the screen. This screen has a diffusion layer whose diffusion characteristic expressed as a luminance distribution with respect to a scattering angle of incident light incident at an angle of 0° is varied such that the peak position of the luminance distribution is shifted towards a greater value of scattering angle in the direction of the central portion of the screen the greater the distance from the central portion of the screen is. The present invention also provides an optical film suitable for use in such a screen, and a manufacturing method therefor.Type: GrantFiled: May 23, 2005Date of Patent: March 28, 2006Assignee: Sony CorporationInventors: Hideya Chubachi, Masayasu Kakinuma, Hiroshi Hayashi, Kazuhito Shimoda, Tomoharu Mukasa, Shina Kuriki
-
Patent number: 7016096Abstract: An object of the invention is to easily realize an optical element using an etalon type structure, capable of changing a periodic transmission wavelength characteristic in an axial direction of transmissivity, and also capable of changing a periodic characteristic with respect to wavelength. To this end, a transmission wavelength characteristics variable optical element according to the invention comprises: a light interference section including a pair of wedge shape magneto-optic crystals arranged with taper faces thereof in close contact, that can change a distance between reflecting films formed on parallel planes of the magneto-optic crystals, by relatively moving the magneto-optic crystals by movable sections, permanent magnets for applying a fixed magnet field to the pair of magneto-optic crystals, an electromagnet for applying a variable magnetic field in a direction different to the fixed magnetic field, and a variable current source controlling the current flowing into the electromagnet.Type: GrantFiled: January 27, 2003Date of Patent: March 21, 2006Assignee: Fujitsu LimitedInventors: Hirotomo Izumi, Takashi Ishiwada, Nobuaki Mitamura
-
Patent number: 7016111Abstract: There is provided a screen, which, with a simple configuration, is capable of effectively utilizing light projected thereon and realizing an even luminance distribution on the screen. This screen has a diffusion layer whose diffusion characteristic expressed as a luminance distribution with respect to a scattering angle of incident light incident at an angle of 0° is varied such that the peak position of the luminance distribution is shifted towards a greater value of scattering angle in the direction of the central portion of the screen the greater the distance from the central portion of the screen is. The present invention also provides an optical film suitable for use in such a screen, and a manufacturing method therefor.Type: GrantFiled: January 20, 2004Date of Patent: March 21, 2006Assignee: Sony CorporationInventors: Hideya Chubachi, Masayasu Kakinuma, Hiroshi Hayashi, Kazuhito Shimoda, Tomoharu Mukasa, Shina Kuriki
-
Patent number: 7012744Abstract: The invention provides a transmissive screen having low occurrence of light diffraction and moire-fringing. The invention also provides a rear projector including such a high-quality transmissive screen. A transmissive screen, applied to a rear projector, includes a light-guide plate having substantially cylindrical light-guide spaces arranged in a flat substrate, and a light-exit-angle distribution uniformizing device to make the angular distribution of the light exiting from the substantially cylindrical light-guide spaces of the light-guide plate uniform over the transmissive screen. The light-exit-angle distribution uniformizing device is provided at the light-exiting face side of the light-guide plate. The invention also provides a rear projector including such a transmissive screen.Type: GrantFiled: September 5, 2003Date of Patent: March 14, 2006Assignee: Seiko Epson CorporationInventor: Masafumi Sakaguchi
-
Patent number: 7012743Abstract: A high contrast a lenticular lens sheet that improves the brightness of an image and the angle of visibility. The width A, between the lens elements on a light-emission side and a side wall of a black stripe portion is made to be 15 ?m or less. P represents the pitch of the lens element and H represents the width of the black stripe portion as viewed n a cross section perpendicular to the lens element, the difference F in height between the black stripe portion and the lens element is set to have a range that is expressed by the inequality: 0.098 P?F?(P-H)/2 tan(?/3). Simultaneously, the width B as measured from an apex portion of the black stripe portion in regard to a colored portion on a side wall of the black stripe portion is set to have a range that is expressed by the inequality: 0.30 F?B?0.89 F.Type: GrantFiled: October 18, 2001Date of Patent: March 14, 2006Assignee: Dai Nippon Printing Co., Ltd.Inventors: Katsunori Takahashi, Toshie Chijiwa
-
Patent number: 7009766Abstract: An purpose of the present invention is to provide a simple configuration for bonding a lenticular lens sheet, a front sheet, and light diffusion layers together to reduce cost. To accomplish the above purpose, the present invention comprises: a lenticular lens sheet (20); a front sheet (30); a first adhesive layer (35) for bonding the lenticular lens sheet (20) and the front sheet (30) together, the first adhesive layer (35) being disposed between the lenticular lens sheet (20) and a light incident side of the front sheet (30); an AR film (40); and a second adhesive layer (36) for bonding the front sheet (30) and the AR film (40) together, the second adhesive layer (36) being disposed between a light exit side of the front sheet (30) and the AR film (40); wherein light diffusion materials are spread in the first and second adhesive layers to add a light diffusion function to the layers.Type: GrantFiled: February 13, 2004Date of Patent: March 7, 2006Assignee: Hitachi, Ltd.Inventors: Koji Hirata, Akinori Maeda, Nobuo Masuoka
-
Patent number: 6992831Abstract: The invention relates to a lens sheet applicable to a screen for a pixel type projection TV characterized in high quality and definition and a simple producing method thereof. The inventive lens sheet has a shielding layer without any axial misalignment at front and rear sides. The lens sheet comprises a lens portion with a plurality of lens elements arranged in at least one side and a shielding layer provided in a non-transmitting portion of a light radiation plane, in which the shielding layer is provided on a layer made of a cured photo-curing composition (A). The photo-curing composition (A) is composed of 100 weight parts of photo-curing resin composition (a) having a surface free energy of 30 mN/m or more and 0.01 to 10 weight parts of compound (b) having a surface free energy of 25 mN/m or less.Type: GrantFiled: April 19, 2004Date of Patent: January 31, 2006Assignee: Kuraray Co., Ltd.Inventors: Atsushi Nagasawa, Takahiro Kitano, Katsuya Fujisawa, Junichi Tanaka, Tatsufumi Watanabe