Microlenses Patents (Class 349/95)
  • Patent number: 8111968
    Abstract: Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from one end of the device from the front exit faces of such structures along certain angular orientations, while at least a substantial portion of the light is totally internally reflected within the body until distributed from such front exit faces. Optical devices are also provided each have a body of optical material having a bottom surface with acutely angled ramp structures and falling structures which alternate with each other, such that light is totally internally reflected within the device until reflected by such ramp structures along the bottom surface to exit the top surface of the device or transmitted through the ramp structures to an adjacent falling structure back into the device.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: February 7, 2012
    Assignee: RPC Photonics, Inc.
    Inventors: Stephen H. Chakmakjian, Donald J. Schertler, Tasso Sales, G. Michael Morris
  • Patent number: 8102488
    Abstract: A liquid crystal display comprising a liquid crystal panel that is formed by attaching a color filter substrate to an array substrate with a liquid crystal layer therebetween. The array substrate comprising a base substrate and a pixel electrode, a signal line, and a light-blocking strip, provided on the base substrate. The light-blocking strip is disposed below and at a side of the signal line and is separated from the signal line by the base substrate, a refractive strip is disposed at the side of the signal line over a gap between the light-blocking strip and the signal line, and the refractive strip is disposed on the same layer as the pixel electrode. The refractive strip deflects light transmitting therethrough from the base substrate side into the liquid crystal layer towards the signal line.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: January 24, 2012
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventor: Hyun Sic Choi
  • Patent number: 8094259
    Abstract: Provided is a liquid crystal display (LCD) without a color filter, the LCD including: a liquid crystal panel comprising front and rear glass substrates and a plurality of red, green, and blue liquid crystal subpixels disposed between the front and rear glass substrates corresponding to red, green, and blue lights, respectively; a backlight unit disposed in rear of the liquid crystal panel and comprising a plurality of three-color light supply units supplying the red, green, and blue lights, respectively, and separated from one another so that the plurality of three-color light supply units are compartmentalized; and a lenticular lens array disposed between the liquid crystal panel and the backlight unit, inducing the red, green, and blue lights irradiated by the three-color light supply units into the red, green, and blue liquid crystal subpixels included in the liquid crystal panel and comprising a plurality of lenticular lens groups comprising a plurality of lenticular lenses, wherein the plurality of lenti
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: January 10, 2012
    Assignee: Industry-Academic Cooperation Foundation, Yeungnam University
    Inventor: Jin-Hyuk Kwon
  • Publication number: 20120002278
    Abstract: A three-dimensional optical display system and method that reduces moiré patterns formed between the image display panel and a 3D lens. The reduction of moiré patterns may be achieved by adding a lenticular anti-moiré lens or by curving the 3D lens into a convex shape. The anti-moiré lens may have a regular period, or may incorporate random elements.
    Type: Application
    Filed: June 29, 2011
    Publication date: January 5, 2012
    Applicant: MAGNETIC MEDIA HOLDINGS, INC.
    Inventors: Thomas Zerega, James Zahakos, Barret Lippey
  • Patent number: 8089693
    Abstract: A color separation and polarization device is provided, which comprises a lens module, having a first frame including a polarization material received therein, and configured with a first light-entrance surface and a first light-emitting surface having a lens structure disposed thereon respectively, and a triangle-shaped optical structures, configured with a second light-entrance surface and a second light-emitting surface having triangle-shaped microstructures disposed thereon respectively. When a white light beam enters the first light-entrance surface, it is polarized by the polarization material, converged by the lens structure of the first light-emitting surface, splitting into a red beam, a green beam, and a blue beam by the triangle-shaped microstructures of the second light-entrance surface, and finally the three color beam are collimated by the triangle-shaped microstructures of the second light-emitting surface.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: January 3, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Hui-Hsiung Lin, Yu-Nan Pao
  • Patent number: 8085364
    Abstract: A liquid crystal display with focused illumination is described. In an example, a light-source emitting a plurality of discrete colors is focused onto a liquid crystal display panel. The liquid crystal display panel has a plurality of pixels and each pixel has regions corresponding to the colors emitted by the light-source. Light of each color is focused onto the regions of the pixels corresponding to that color.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: December 27, 2011
    Assignee: Microsoft Corporation
    Inventor: Adrian Robert Leigh Travis
  • Patent number: 8054415
    Abstract: In described embodiments, a thin film transistor (TFT) liquid crystal display (LCD) structure incorporates a white light emitting diode (LED) structure for backlighting. White LEDs are formed behind each TFT cell, allowing for display “black” as a function of a nematic layer, on the TFT substrate, while increasing intensity of the LED LCD backlight structure. A lens structure might be formed between the LEDs and the TFT substrate to reduce a number of LED sources for a given backlight intensity.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: November 8, 2011
    Assignee: LSI Corporation
    Inventors: Roger Fratti, Kouros Azimi, Mohammad Mobin, Ian Hughes
  • Patent number: 8054389
    Abstract: A liquid crystal display apparatus which includes an optical compensation layer in addition to a liquid crystal panel and which is capable of preventing degradation of the optical compensation layer, thereby providing high long-term reliability in display characteristics, is provided. The liquid crystal display apparatus includes a liquid crystal panel 1 in which a liquid crystal layer 30 is interposed between a first substrate 10 and a second substrate 20; a protection substrate 3 disposed at least one side of the liquid crystal panel 1 so as to face the liquid crystal panel 1; and an optical compensation layer 5 interposed between the liquid crystal panel 1 and the protection substrate 3.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: November 8, 2011
    Assignee: Sony Corporation
    Inventors: Tomoko Maruyama, Yuki Aikawa, Shouhei Maezawa
  • Patent number: 8054414
    Abstract: A liquid crystal display (LCD) device including upper and lower substrates facing each other with a liquid crystal layer interposed therebetween, upper and lower polarization plates positioned on outer surfaces of the upper and lower substrates, respectively, and a beam steering film positioned on the upper polarization plate and including a plurality of curved-lenses formed on a surface of the beam steering film facing the upper polarization plate.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 8, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Chi Hyuck Park, Seung Hee Lee
  • Patent number: 8042950
    Abstract: A projection apparatus and image display apparatus. The apparatus includes a three-color light source that emits a plurality of color lights having different wavelengths, and a diffraction type optical element that performs diffusion forming of individual color lights. A field lens makes the diffusion-formed individual color lights into parallel lights, and a liquid crystal panel has a microlens array with a plurality of microlenses arranged in a matrix at the incident regions of the individual parallel color lights. A pixel section has three pixel openings arranged oppositely to the individual microlenses.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: October 25, 2011
    Assignee: Sony Corporation
    Inventors: Yoshikazu Hazama, Kikuo Kaise
  • Patent number: 8031300
    Abstract: Provided is a liquid crystal device including: a plurality of data lines and a plurality of scanning lines which cross each other; switching elements which are provided in correspondence with intersections between the data lines and the scanning lines; pixel electrodes connected to the switching elements; pixels configured in correspondence with the pixel electrodes; an image display region configured by the plurality of pixels; a first substrate having at least the switching elements; a second substrate which faces the first substrate; and liquid crystal interposed between the first substrate and the second substrate, wherein light incident from the first substrate is modulated by the liquid crystal, a light-shielding film is provided on a light incident side of at least the switching elements of the first substrate, and at least a portion corresponding to the image display region of the second substrate includes only a transparent layer which transmits light incident to the liquid crystal.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: October 4, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Shinji Kamijima
  • Patent number: 8025411
    Abstract: A liquid crystal panel includes a liquid crystal display element, a micro-lens array, an adjustable lens array, and a lens control unit electrically connected to the adjustable lens array. The liquid crystal display element has a light input surface and a light output surface opposite to the light input surface. The micro-lens array has a plurality of micro-lenses disposed on the light input surface of the liquid crystal display element). The adjustable lens array has a plurality of adjustable lenses disposed on the light output surface of the liquid crystal display element. The lens control unit is capable of controlling focal lengths of the plurality of adjustable lenses.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: September 27, 2011
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Chien-Wen Hsu, Po-Lin Wang, Ching-Te Chu, Yu-Shan Chou
  • Patent number: 8009251
    Abstract: The LCD sequentially includes, from bottom to top, a backlight module, a first polarizer, a first substrate, a liquid crystal layer, a second substrate, and a second polarizer. The second substrate includes multiple transparent areas thereon. The first substrate includes multiple light-focusing arrays. Each of the light-focusing arrays includes multiple high-refractive areas and low-refractive areas disposed between the high-refractive areas. The multiple high-refractive areas includes a first high-refractive area and multiple second high-refractive area disposed on two sides of the high-refractive areas symmetrically, wherein the widths of the second high-refractive areas are the same and smaller than the width of the first high-refractive area.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: August 30, 2011
    Assignee: Au Optronics Corporation
    Inventors: Pei-Hsun Wu, Ying-Che Lan, Chih-Haw Wang, Szu-Han Li, Keng-Ju Liu
  • Publication number: 20110205468
    Abstract: A light-condensing means and a pixel electrode may be formed on the same surface side of a substrate, and a region transmitting visible light in the pixel electrode may be provided so as to overlap with an optical axis of the light-condensing means. An anisotropic light-condensing means having a condensing direction X and a non-condensing direction Y may be used, and the light-condensing means may be provided so that the non-condensing direction Y corresponds to a longitudinal direction of the region transmitting visible light in the pixel electrode.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 25, 2011
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Yoshiharu HIRAKATA, Shunpei YAMAZAKI
  • Patent number: 8004621
    Abstract: A display apparatus has a switchable birefringent lens array. The display apparatus produces a substantially linearly polarised output. The lens array comprises birefringent material arranged between a planar surface of a first substrate and a relief substrate of a second substrate defining an array of cylindrical lenses. The lens array has electrodes for applying a control voltage across the birefringent material for electrically switching the birefringent material between a first mode and a second mode. In the first mode the lens array modifies the directional distribution of incident light polarised in a predetermined direction. In the second mode the lens array has substantially no effect on incident light polarised in said predetermined direction.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: August 23, 2011
    Assignee: AU Optronics Corporation
    Inventors: Graham John Woodgate, Jonathan Harrold
  • Patent number: 7995166
    Abstract: A display panel, a display device, and a terminal device, which can achieve a high image quality by decreasing deterioration of the image quality that may be caused due to combining a reflection plate including an uneven structure with an image distributing device, are provided. The display panel includes a lenticular lens for distributing light emitted from each of pixels towards different directions from each other along an arranging direction (a first direction) of a pixel for displaying an image for a first viewpoint and a pixel for displaying an image for a second viewpoint within a pixel unit, wherein a reflection plate including an uneven structure is formed in each of the pixels, and a layout pattern of the uneven structure on the reflection plate is different to the lenticular lens.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: August 9, 2011
    Assignee: NEC LCD Technologies, Ltd.
    Inventor: Shinichi Uehara
  • Patent number: 7969531
    Abstract: A backlighting apparatus for a flat panel LCD display includes an elongate light guide having a front wall through which travels polarized light in a direction toward the LCD display. An RGB LED set is positioned adjacent a first end wall of the light guide so that light enters the light guide from the first end wall. A retardation and reflection film covers respective external surfaces of the bottom wall and a second end wall. Microlenses are formed in the front wall along its extent and each microlens is filled with a birefringent material. Light emitted by the LED set travels through a collimated light coupling module and exits the light guide through the birefringent microlenses in polarized form toward the LCD display. The viewing angles and angular light distributions of the LCD display in vertical and horizontal directions are optimized for enhancing the brightness without involving DBEF and BEF.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: June 28, 2011
    Assignee: Jabil Circuit, Inc.
    Inventors: Lin Li, Israel J. Morejon, Jinhui Zhai, Evan O'Sullivan
  • Patent number: 7961274
    Abstract: Disclosed herein is an area light source apparatus for illuminating a liquid crystal display apparatus of the transmission type, which has a display area formed from a plurality of pixels arrayed in a two-dimensional matrix, from the back, including: a plurality of light emitting element assemblies each provided as a light source and each including a light emitting element and a lens through which light emitted from the light emitting element passes; and a plurality of dummy lenses disposed in the proximity of each of the light emitting element assemblies and configured same as the lenses of the light emitting element assemblies.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: June 14, 2011
    Assignee: Sony Corporation
    Inventor: Tadashi Morimoto
  • Patent number: 7944541
    Abstract: In accordance with a method of manufacturing a liquid crystal display device including, in a picture element, a first sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth1 and a second sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth2, liquid crystal, which polymerizable components are added to, is filled into the space between a first and a second substrates; thereafter, a voltage V1 slightly higher than the threshold voltage Vth1 is applied to a liquid crystal layer, and is held for a certain length of time; subsequently, a voltage V2 slightly higher than the threshold voltage Vth2 is applied to the liquid crystal layer, and is held for a certain length of time; additionally, a voltage V3 higher than a white-displaying voltage which is applied while the liquid crystal display device is in actual use is applied to the liquid crystal layer, and is held for a certain length of time; then, t
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: May 17, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazutaka Hanaoka, Yohei Nakanishi, Katsufumi Ohmuro, Kunihiro Tashiro, Norio Sugiura, Kengo Kanii
  • Publication number: 20110109818
    Abstract: A method for manufacturing a liquid crystal display device includes: an active matrix substrate formation step of forming an active matrix substrate, wherein the active matrix substrate formation step includes a first step of forming a microlens array having a plurality of microlenses on a transparent substrate, a second step of forming an oxide film on the microlens array, a third step of forming a TFT array having a plurality of TFT devices above the oxide film, and a fourth step of forming a light-blocking film selectively to define pixel openings.
    Type: Application
    Filed: September 28, 2010
    Publication date: May 12, 2011
    Applicant: Sony Corporation
    Inventors: Naoki Uneda, Yoshihiro Mizuguchi, Moriyasu Nagura, Masahiro Kaida, Shinya A. Inage, Yoshinori Ogino
  • Patent number: 7936412
    Abstract: A color filterless display device performing color display for expressing one pixel by three RGB sub-pixels includes: a light source; a diffraction grating for separating a light irradiated from this light source into lights of a plurality of wavelength regions; a cylindrical lens array for receiving the separated light and condensing the light while corresponding to each of the sub-pixels; and a liquid crystal cell including a structure portion for correcting an angle of the condensed light for all sub-pixels, wherein, in the structure portion of this liquid crystal cell, a side onto which a light from the cylindrical lens array is made incident is made of a high refractive index layer, an emitting side from which the light is emitted is made of a low refractive index layer, and a Fresnel-type microprism structure is formed by the high refractive index layer and the low refractive index layer.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: May 3, 2011
    Assignee: International Business Machines Corporation
    Inventors: Hidetoshi Numata, Shinya Ono, Fumiaki Yamada, Yoichi Taira
  • Patent number: 7907112
    Abstract: A liquid crystal display (LCD) device, a luminance difference compensating method thereof, and a method for compensating for a luminance variance in a LCD device are provided. The LCD device comprises a plurality of LCD modules tiled together, each of a plurality of microlenses provided on each of the plurality of LCD modules and including a curved portion and a flat portion, a timing controller for outputting RGB data, and a lookup table for separating the RGB data corresponding to the curved and flat portions of each of the microlenses, for converting the RGB data of the curved portion, and for outputting the RGB data corresponding to the flat portion and the converted RGB data corresponding to the curved portion. Accordingly, luminance differences are reduced or eliminated.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: March 15, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Youn Gyoung Chang, Hyun Suk Jin
  • Patent number: 7898501
    Abstract: A mobile terminal having a flat panel display device includes: a body unit having an input device; a display unit connected to the body unit; an extended display unit connected to the display unit using a hinge such that the display unit and the extended display unit are folded/unfolded; a first flat panel display device formed in the display unit; and a second flat panel display device in the extended display unit.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: March 1, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Myong-Gi Jang, Nam-Yong Kong, Seong-Man Jeon, Soon-Shin Jung, Eun-Ju Kim
  • Patent number: 7889310
    Abstract: A transflective type liquid crystal display has display side members; rear side members which include a diffuse reflector layer with apertures, and a glass substrate; and a liquid crystal layer interposed between the display side members and the rear side members, wherein on the opposite side from the diffuse reflector layer, the glass substrate has aperture-forming lenses used for exposure and removal during formation of the apertures of the diffuse reflector layer, and a flattening layer used to flatten a concave and convex surface produced by the aperture-forming lenses. This makes it possible to implement a transflective type liquid crystal display with excellent visibility regardless of whether an external light or internal lighting source is used.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: February 15, 2011
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Takehisa Yoshikawa, Masayuki Kyoi, Yasushi Sugimoto, Masato Taya, Takeshi Yoshida
  • Publication number: 20110025956
    Abstract: A liquid crystal display device of high image quality is provided at a low cost, in which the viewing angle is restricted only in a specific direction. A liquid crystal display device of the present invention, which has a plurality of pixels in a matrix arrangement, includes: a first substrate; a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a plurality of microlenses provided on a surface of the first substrate which is opposite to the liquid crystal layer, the microlenses being arranged so as to correspond to the plurality of pixels, and each of the microlenses having a curved surface configured to collect incoming light, wherein d satisfies the following relationship: d>p·((2n)2?1)1/2 where d is a thickness of the first substrate, p is an arrangement pitch of the plurality of pixels, and n is a refractive index of the major material of the first substrate.
    Type: Application
    Filed: January 23, 2009
    Publication date: February 3, 2011
    Inventors: Naru Usukura, Toshiyuki Yoshimizu, Seishi Kosegawa, Tadashi Nemoto, Takehiro Murao
  • Publication number: 20110025955
    Abstract: Electro-optic lenses, including liquid crystals, wherein the power of the lenses can be modified by application of an electric field. In one embodiment, the liquid crystal-based lenses include ring electrodes having a resistive bridge located between adjacent electrodes, and in a preferred embodiment, input connections for several electrode rings are spaced on the lens. In a further embodiment, liquid crystal-based lenses are provided that can increase optical power through the use of phase resets, wherein in one embodiment, a lens includes ring electrodes on surfaces of the substrates on opposite sides of the liquid crystal cell such that a fixed phase term can be added to each set of electrodes that allows for phase change across each group of electrodes to be the same and also be matched with respect to a previous group.
    Type: Application
    Filed: June 17, 2010
    Publication date: February 3, 2011
    Applicant: Kent State University
    Inventors: Philip Bos, Douglas Bryant, Lei Shi, Bentley Wall
  • Patent number: 7876397
    Abstract: A backlight (5) for a 3D display device, the backlight (5) comprising a planar light guide (7) through which light is guided transversely by internal reflection. The light guide (7) is provided with a plurality of grooves (8), which are configured to direct light propagating within the light guide (7), out of a face (7f) of the light guide (7) so as to form a plurality of line light sources.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: January 25, 2011
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Marcellinus P. C. M. Krijn, Willem L. Ijzerman, Siebe T. De Zwart, Hugo J. Cornelissen
  • Patent number: 7868969
    Abstract: Disclosed herein is an area light source apparatus for illuminating a liquid crystal display apparatus of the transmission type, which has a display area formed from a plurality of pixels arrayed in a two-dimensional matrix, from the back, including: a plurality of light emitting element assemblies each provided as a light source and each including a light emitting element and a lens through which light emitted from the light emitting element passes; and a plurality of dummy lenses disposed in the proximity of each of the light emitting element assemblies and configured same as the lenses of the light emitting element assemblies.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: January 11, 2011
    Assignee: Sony Corporation
    Inventor: Tadashi Morimoto
  • Patent number: 7852435
    Abstract: A conventional liquid crystal display comprises a number of components, so that a manufacturing cost cannot be reduced. Furthermore, a large-area substrate has problems in shipping. According to this invention, a liquid-crystal panel is prepared by forming individual optically functional films, a TFT device and a light-emitting device on a long thin film and then laminating the film by a transfer process. A base film to be a substrate in a liquid-crystal panel preferably has a thickness of 10 ?m to 200 ?m, a curvature radius of 40 mm or less as a measure of flexibility and a coefficient of thermal expansion of 50 ppm/° C. or less. Furthermore, it more preferably gives a variation of ±5% or less in mechanical and optical properties to a thermal history at 200° C.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: December 14, 2010
    Assignees: Kuraray Co., Ltd., Konica Minolta Holdings, Inc., JSR Corporation, Sumitomo Chemical Company, Limited, Sumitomo Bakelite Co., Ltd., Dainippon Ink and Chemicals, Inc., Dai Nippon Printing Co., Ltd., Toray Industries, Inc., Toppan Printing Co., Ltd., NEC Corporation, Hitachi Chemical Co., Ltd.
    Inventors: Katsuya Fujisawa, Tokuo Ikari, Kazuo Genda, Atsushi Kumano, Noboru Oshima, Yoshiki Matsuoka, Toshimasa Eguchi, Shigenori Yamaoka, Yoshiyuki Ono, Hisatomo Yonehara, Tatsumi Takahashi, Motoyuki Suzuki, Akimitsu Tsukuda, Norimasa Sekine, Kazushige Takechi, Ken Sumiyoshi, Ichiro Fujieda, Yasuo Tsuruoka
  • Patent number: 7852433
    Abstract: A backlight assembly includes: a light source forming light; and a multi-focusing sheet focusing the light provided by the light source in at least two regions.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: December 14, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Seung Chul Lee, Ju Un Park
  • Patent number: 7847886
    Abstract: A parabolic lenticular collimating film system includes at least one film which is at least partially transmissive and one or more parabolic structures on a surface of the film.
    Type: Grant
    Filed: October 2, 2008
    Date of Patent: December 7, 2010
    Assignee: Reflexite Corporation
    Inventor: James F. Munro
  • Patent number: 7834957
    Abstract: A liquid crystal is sealed with a sealing member between first and second transparent substrates, whereby a liquid crystal cell capable of transmitting ultraviolet light is produced. The liquid crystal cell is inserted into a mold into which an ultraviolet-setting resin is dropped and which is used to produce a light control member. The ultraviolet-setting resin is pressed to be bonded to the liquid crystal cell. In this state, ultraviolet light is irradiated to the liquid crystal cell in the mold from outside the mold. Thus, the ultraviolet-setting resin is set while bonding to the liquid crystal cell. Thereafter, the liquid crystal cell is removed from the mold. Consequently, the light control member is directly formed on the liquid crystal cell.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: November 16, 2010
    Assignee: Citizen Holdings Co., Ltd.
    Inventors: Takashi Akiyama, Katsuo Matsuyama
  • Publication number: 20100283941
    Abstract: A vertically aligned type liquid crystal display panel with wide viewing angles and high display quality can be provided with high production efficiency. A liquid crystal display panel of the present invention includes: a liquid crystal layer of a vertically aligned type; a light-incident side substrate and a light-outgoing side substrate which oppose each other via the liquid crystal layer; a microlens array provided on a light-outgoing side of the light-outgoing side substrate, which includes a plurality of microlenses; an optical film which includes a first polarizing plate provided on a light-outgoing side of the microlens array; and an optical film which includes a second polarizing plate provided on a light-incident side of the light-incident side substrate.
    Type: Application
    Filed: December 12, 2008
    Publication date: November 11, 2010
    Inventors: Tadashi Nemoto, Seishi Kosegawa, Naru Usukura, Takehiro Murao, Satoshi Shibata, Takuma Tomotoshi
  • Patent number: 7830473
    Abstract: The present invention comprises: a laser light source 101 operable to output a laser light; an optical component 114 operable to couple, to an optical fiber 126, the laser light outputted from the laser light source 101; an actuator 118 operable to hold the optical component 114; a photoreceiver 503 operable to monitor the laser light outputted from the optical fiber; and a control device 117 operable to drive the actuator 118 in accordance with a result of the monitoring by the photoreceiver 503, thereby controlling a position of the optical component 114.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: November 9, 2010
    Assignee: Panasonic Corporation
    Inventors: Hiroyuki Furuya, Shinichi Shikii, Tetsuro Mizushima, Akira Kurozuka, Kazuhisa Yamamoto
  • Patent number: 7812897
    Abstract: A method for making a prism sheet includes: providing a cutting device comprising a cutter, a table plate, and a control unit, the table plate controlled to move up and down by the control unit, and the cutter having a blade rotatable; providing a mold insert preform on the table plate, the mold insert preform having a flat surface; moving the cutter to etch the flat surface of the mold insert preform along a first direction, and simultaneously driving the table plate to move up and down by the control unit in a first predetermined manner to form first elongated depressions in the flat surface; moving the cutter to etch the flat surface of the mold insert preform along a second direction to form second elongated depressions in the flat surface, thereby forming a mold insert; using the mold insert to form the prism sheet by injection molding method.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: October 12, 2010
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Tung-Ming Hsu, Shao-Han Chang
  • Patent number: 7808582
    Abstract: An illuminating apparatus providing polarized color light and a display apparatus including the illuminating apparatus are provided. The illuminating apparatus includes a light source; a polarization light guide plate (LGP) unit which converts a polarization direction of light emitted from the light source into linearly polarized light, and collimates the linearly polarized light; and a cholesteric liquid crystal color filter which disposed on an upper portion of the polarization LGP unit, and selectively reflects light according to a polarized status and a wavelength of the light.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-mo Hwang, Jae-ho You
  • Patent number: 7808706
    Abstract: Microlens arrays include a substrate, an array of microlenses on a first side of the substrate and an aperture mask on a second side of the substrate. The aperture mask includes an array of apertures at optical axes of the lenses. A second array of apertures may be included in the aperture mask at randomized positions therein. The randomized apertures may be provided in the aperture mask by providing a diffusive layer between the aperture mask and the substrate, and directing coherent radiation through the lens array, the diffusive layer and aperture mask.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: October 5, 2010
    Assignee: Tredegar Newco, Inc.
    Inventors: Edward Fadel, Robert P. Freese, Richard N. Gardner, Michele E. Nuzum, David L. Reed, Thomas A. Rinehart, Robert L. Wood
  • Patent number: 7808588
    Abstract: A display substrate includes a transparent substrate, a pixel layer, an organic insulation layer, a transparent electrode and a reflective electrode. The pixel layer is formed on the transparent substrate. The pixel layer has pixel parts arranged in a matrix shape. Each of the pixel parts has a transmissive region and a reflective region. The organic insulation layer is formed on the pixel layer. The organic insulation layer has reflective patterns of decreasing size along a direction from a center of the reflective region to a periphery of the reflective region. The transparent electrode is formed on the organic insulation layer. The reflective electrode is formed on the transparent electrode such that the reflective electrode is disposed over the reflective region. Therefore reflectance efficiency of ambient light is enhanced.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Chul Hong, Sung-Hwan Cho, Jae-Hyun Kim, Bong-Sun Seo
  • Patent number: 7804564
    Abstract: Provided is a wide angle diffuser including a plate-shaped body, a plurality of microlenses, and a plurality of prisms. The plate-shaped body has an incident surface on which light is incident and an exit surface through which light is emitted form the plate-shaped body. The microlenses and the prisms are respectively disposed on one of the incident surface and the exit surface. Also provided is a liquid crystal display including a liquid crystal panel, a backlight unit, provided on a rear surface of the liquid crystal panel, which emits collimated light to the liquid crystal panel, and the wide angle diffuser diffusing light passing through the liquid crystal panel.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: September 28, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jee-hong Min, Moon-gyu Lee
  • Patent number: 7785909
    Abstract: An image sensor and method of manufacturing thereof are provided. In an embodiment, an image sensor can include a photodiode on a substrate, an interlayer dielectric formed on the substrate, an insulating layer micro-lens on the interlayer dielectric, and an organic micro-lens on the insulating layer micro-lens.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: August 31, 2010
    Assignee: Dongbu Hitek Co., Ltd.
    Inventor: Sang Wook Ryu
  • Patent number: 7760274
    Abstract: Provided are a programmable mask for promptly fabricating a biomolecule or polymer array having high density, an apparatus for fabricating a biomolecule or polymer array including the mask, and a method of fabricating a biomolecule or polymer array using the programmable mask.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: July 20, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Moon Youn Jung, Dong Ho Shin, Se Ho Park, Hyeon Bong Pyo, Chi Hoon Jun
  • Patent number: 7742123
    Abstract: A color-filterless liquid crystal display (LCD) having a large screen. The color-filterless LCD further including a light guide plate uniformly emitting light, which is incident from both lateral sides, through a top surface thereof; first and second light sources disposed on both the lateral sides of the light guide plate; a color separation sheet that is disposed on the top surface of the light guide plate and is adapted to separate incident light into red, green, and blue light beams and emit them at different exit angles; a liquid crystal panel having a liquid crystal layer that is divided into a plurality of pixels; and an optical element sheet that is disposed on a bottom surface of the liquid crystal panel and includes a plurality of optical elements focusing the red, green, and blue light beams separated by the color separation sheet on three different pixels that are continuously arranged, where the first and second light sources are turned on alternately.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: June 22, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Il-yong Jung
  • Patent number: 7719635
    Abstract: The present invention provides an optical sheet having one generally planar surface and composed of transmissive material, wherein on the other surface of the optical sheet, a concavo-convex pattern formed of a convex portion having a triangular top portion and a concave portion of a surface parallel to the one surface of the optical sheet is formed alternately in a generally parallel array.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: May 18, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Ryuichi Katsumoto, Osamu Iwasaki, Makoto Koike
  • Patent number: 7719636
    Abstract: An embodiment of this document relates to an optical sheet and a liquid crystal display using the same. An optical sheet in accordance with an aspect of this document may comprise a base film, and a plurality of projections including at least one of lenticular lens or micro lens, positioned on one surface of the base film. The projection may comprise a first resin and a plurality of first beads, and about 1 to 10 parts by weight of the first bead based on 100 parts by weight of the first resin.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: May 18, 2010
    Assignee: LG Electronics Inc.
    Inventors: Changjong Kim, Kabjin Hwang, Seoungho Lee, Cheol Yoon, Seungwook Kown, Yongsu Kim, Byeongheui Han
  • Publication number: 20100097545
    Abstract: Disclosed are various lenticular display systems that include either a color filter array (CFA) or a colored lens array that is spaced from the pixels of an underlying display panel. In an embodiment, the CFA of a lenticular display may be operable to provides a locally ‘static color’ reproduction of images as a function of viewing angle. It may also enable the resolution of the CFA to be relatively coarse. Both separating the CFA from the panel and reducing the resolution significantly may reduce the system cost and allow higher resolution to be realized.
    Type: Application
    Filed: October 14, 2009
    Publication date: April 22, 2010
    Applicant: Real D
    Inventors: Michael G. Robinson, Douglas J. McKnight
  • Patent number: 7697080
    Abstract: A multiple-view directional display is provided having an image display element and a parallax optic (13). The display element (8) comprises substrates (6, 19) between which the display layer (8) is sandwiched and the parallax optic (13) is disposed within the image display element.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: April 13, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Jonathan Mather, Robert Winlow, Akira Nakagawa, Diana U. Kean, Grant Bourhill
  • Patent number: 7693389
    Abstract: An electro-optic device includes a pair of substrates, and an electro-optic material held between the pair of substrates, wherein one of the pair of substrates includes a condensing unit provided on the electro-optic material-side surface of the substrate in order to condense light incident on the substrate, and a functional layer provided to overlap at least the condensing unit in a plan view.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: April 6, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Shunji Kamijima
  • Patent number: 7679691
    Abstract: The present invention prevents a moiré generated by the interference of two liquid crystal display panels in a display device capable of performing a three-dimensional display using two liquid crystal display panels. By arranging an upper lens array and a lower lens array between an upper liquid crystal display panel and a lower liquid crystal display panel, a moiré and smearing of an image can be prevented. Due to such a constitution, lowering of brightness and contrast can be suppressed.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: March 16, 2010
    Assignee: Hitachi Displays, Ltd.
    Inventors: Yoshiteru Tomizuka, Kentaro Oku, Yoshinori Tanaka, Yoshiharu Nagae
  • Patent number: 7679827
    Abstract: An integral optical plate includes a convex lens plate, a microlens sheet and an adhesion element. The convex lens plate includes a first light incident surface into which light is incident and a first light-exiting surface disposed opposite the first light incident surface and on which a convex tens pattern is formed. The microlens sheet is disposed on the first light-exiting surface, and includes a microlens pattern. The adhesion element is disposed between the convex lens plate and the microlens sheet to combine the convex lens plate with the microlens sheet. The convex tens pattern includes a plurality of convex in lenses having a stripe shape extending lengthwise along the convex lens plate.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: March 16, 2010
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jheen-Hyeok Park, Dong-Hoon Kim, Jin-Sung Choi, Tae-Seok Jang, Jeong-Hwan Lee
  • Patent number: 7675586
    Abstract: In a substrate structure and a fabrication method thereof, light refracting members aligned with wirings or black matrix formed are integrally formed at a surface of a substrate. Light incident on the wirings or the black matrix can be refracted to a pixel region of the liquid crystal display panel. Accordingly, a flux of light being transmitted through the pixel region of the liquid crystal display panel can be improved significantly.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: March 9, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Gee Sung Chae