Roll Up Screen Patents (Class 359/461)
  • Patent number: 10613427
    Abstract: The present invention relates to a suspension type-screen device. The suspension type-screen device of the present invention includes a main roll rotatably supported on a casing; and a screen configured to be pulled back onto the main roll upon a storing thereof and to be pulled out downwardly from the main roll upon an use thereof. In particular, the suspension type-screen device of the present invention further includes a sub roll, and the sub roll is configured to be capable of supporting the screen located at a portion where a pull-out from the main roll is started.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: April 7, 2020
    Assignee: IZUMI-COSMO COMPANY, LIMITED
    Inventors: Kazuharu Seki, Shuhei Kameda, Teruyuki Abe
  • Patent number: 10541160
    Abstract: A substrate case includes a shaft portion around which a sheet-shaped substrate having a circuit area in which a circuit manufacturing process is performed is wound; and a cover portion that accommodates the substrate in the state of being wound around the shaft portion, the shaft portion having a holding portion that holds an area different from the circuit area at a winding start portion of the substrate.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: January 21, 2020
    Assignee: Nikon Corporation
    Inventors: Hideo Mizutani, Tohru Kiuchi, Toru Kawaguchi, Takashi Masukawa
  • Patent number: 10506726
    Abstract: A display device is disclosed. The display device includes a housing, a flexible display having an upper surface, a lift assembly provided in the housing and coupled to the upper surface of the flexible display screen to extend the flexible display screen outside the housing, a motor provided in the housing and coupled to the lift assembly to raise the flexible display screen, and an elastic member provided adjacent to the upper surface of the flexible display screen, the elastic member configured to apply a vertical force to the upper surface of the flexible display screen.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: December 10, 2019
    Assignee: LG Electronics Inc.
    Inventors: Kitae Kang, Dohyeon Kim
  • Patent number: 10228729
    Abstract: An electronic device includes a flexible display substrate including a transmission-type display region and a non-transmission-type display region, and the flexible display substrate is fixed on one or more of housings. Portion of the housing is transparent, and the transmission-type display region overlaps with this transparent portion. In addition, the non-transmission-type display region overlaps with opaque components such as an arithmetic processing unit, a battery, or the like stored in the housing. Display contents and display modes are used properly for the transmission-type display region and the non-transmission-type display region, thereby making it possible to display various images. Other embodiments are also claimed.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: March 12, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yasuhiko Takemura
  • Patent number: 9989998
    Abstract: A facial-interface system for a head-mounted display may include a facial interface and a facial-interlace adjustment apparatus. The facial-interface adjustment apparatus may include (1) an extending member that includes a mounting portion that is coupled to the facial interface and that defines an adjustment groove, and (2) an adjustment lever that includes an adjustment protrusion that protrudes into the adjustment groove. The adjustment lever may be rotatable about a pivot to move the adjustment protrusion along the adjustment groove. The extending member may be movable between a contracted holding position and an extended holding position by the adjustment protrusion as the adjustment protrusion moves along the adjustment groove. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: June 5, 2018
    Assignee: Oculus VR, LLC
    Inventor: Phillip Yee
  • Patent number: 9854667
    Abstract: A display unit includes: a display section (11) having flexibility; and a bending control section (12a, 12b) configured to limit a movable shaft in bending the display section (11) to one direction in a display surface and allowed to maintain the display section (11) in an arbitrary bending state.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: December 26, 2017
    Assignee: SONY CORPORATION
    Inventor: Gen Yukawa
  • Patent number: 9811169
    Abstract: The present application discloses a flexible array substrate comprising a flexible display portion comprising a plurality of first signal lines and a plurality of second signal lines intersecting each other; a flexible circuit bonding portion abutting the flexible display portion for bonding circuit parts; and a plurality of first connection lines for transmitting first signals to the plurality of first signal lines. Each of the plurality of first connection lines connects with a corresponding first signal line, and extends from the flexible display portion to the flexible circuit bonding portion. Each of the plurality of first connection lines crosses over at least one other first signal line within the flexible display portion.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: November 7, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Song Song, Kazuyoshi Nagayama
  • Patent number: 9618975
    Abstract: A retractable display apparatus includes a display assembly and a retraction assembly. The retraction assembly includes an accommodation assembly, a rotary member, a driving assembly, and a latching member. The rotary member is received in the accommodation assembly and is coupled to the display assembly. The driving assembly is rotatably received in the rotary member, fixed to the rotary member and secured by the accommodation assembly. The latching member detachably latches the rotary member onto the accommodation assembly. The rotary member drives the driving assembly to rotate, and the driving assembly accumulates potential energy for reversely rotating the rotary member, for extending or rolling the display assembly.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 11, 2017
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Kao-Kuan Su, Min-Sheng Wang
  • Patent number: 9558685
    Abstract: The present invention relates to a wall mounting-type flexible display, which can be mounted on a wall, the display comprising: a display panel having a bending portion having a bent peripheral area; a support bar for supporting the display panel by being in contact with the bending portion; and a bracket coupled to the support bar and fixed to a wall surface, wherein the bending portion of the display panel comprises at least two curved surfaces having at least one inflection point, and the first and second curved surfaces, which are adjacent to each other about the inflection point, may have different curvatures. The first curved surface is directly adjacent to the end portion of the display panel, the second curved surface is adjacent to the first curved surface while being spaced from the end portion of the display panel, and the curvature of the first curved surface may be larger than the curvature of the second curved surface.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: January 31, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Cheonhee Lee, Dongwon Choi, Sangchul Han, Sungjung Hwang
  • Patent number: 9111470
    Abstract: A portable display system having a portable housing including a base for supporting the housing on a flat surface and including an electroluminescent display panel which is flexible and provided in a first extended orientation wherein the display panel is visible to a bystander and a second rolled orientation with the display panel returned into a housing interior. An elongated frame supports the display panel in the first extended orientation, with the frame including a first end which engages the housing and a second end that engages the display panel. A return mechanism, such as a spring return, is provided within the housing for retracting the display panel from the first extended orientation into the second retracted orientation.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: August 18, 2015
    Inventor: Lori Anderson
  • Patent number: 9046755
    Abstract: A stiffening strip at selected edges of a screen may enable the use and mounting of a high-elastic modulus substrate screen material. Such screen materials may be engineered to provide polarization-preserving characteristics, and be applied to or part of the high-elastic modulus substrate. Furthermore, the stiffening strip may enable the use of screen vibration techniques to reduce speckle in display applications that use projection screens, particularly those display applications using illumination sources prone to speckle such as laser-based projection. The screen vibration may be provided by a vibrating device attached to the stiffening strip.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: June 2, 2015
    Assignee: RealD Inc.
    Inventors: Gary D. Sharp, Kevin R. Curtis, David A. Coleman
  • Patent number: 9022575
    Abstract: In general, a “Flexible Mobile Display,” as described herein, provides various techniques for implementing a flexible display for mobile phones or other handheld or portable electronic or computing devices that, in various embodiments, is foldable and/or rollable. Consequently, the Flexible Mobile Display provides a large display in a small form factor that is user extensible. Advantageously, production of the Flexible Mobile Display uses an adaptation of various currently available production techniques and is expected to be relatively low cost to produce. Additionally, in various embodiments, the Flexible Mobile Display also includes a low cost touch or multi-touch sensing mechanism that can be easily integrated into the overall system.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: May 5, 2015
    Assignee: Microsoft Technology Licensing, LLC
    Inventor: Feng-hsiung Hsu
  • Patent number: 9019313
    Abstract: A display device includes a flexible display including a flexible display panel and a flexible touch panel, and a housing configured to enclose the flexible display while allowing the flexible display to move relative to the housing such that a portion of the flexible display is drawn out of the housing and retracted into the housing. The display device further includes a marker configured to contact a location of the flexible touch panel when a portion of the flexible display is drawn out of the housing. The marker is provided such that the contact location changes as the flexible display moves relative to the housing. The display device also includes at least one processor configured to compute the contact location on the flexible display and to adjust the size of an image displayed on the flexible display panel based on the computed contact location.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Kwack, Dae-Won Kim, Young-Sik Kim
  • Publication number: 20150109665
    Abstract: A screen device (10) having a casing (10), a projection screen (12) and a setting (13) associated with displacement mechanism (20) for modifying the visible content of the casing. The projection screen (12) and the setting (13) are combined on a unitary support sheet (14) and the displacement mechanism (20) comprise two parallel winding rollers (21, 22) about which the support sheet (14) is wound, and one of the rollers is a driven roller. Stiffening mechanism (50) is associated with the two free edges (14a) of the support sheet (14) for stiffening the free edges in the winding direction of the and to confer a perfect flatness to the sheet over its entire surface area. A guide mechanism (60) is associated with the stiffening mechanism (50) for the free edges (14a) of the support sheet (14).
    Type: Application
    Filed: April 25, 2013
    Publication date: April 23, 2015
    Inventor: Robert Miggiano
  • Patent number: 8830577
    Abstract: A rollable display screen for use in electronic display systems includes a rollable screen that is mechanically coupled to a roller mechanism and has a plurality of pixel elements disposed thereon. The roller mechanism is configured as a stowing mechanism for the rollable screen, and may be further configured to deploy the rollable screen as a substantially planar viewing surface. The rollable display screen can be advantageously used for a durable and easily transported electronic display device since the rollable display screen is light-weight, durable, and compact.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: September 9, 2014
    Assignee: Prysm, Inc.
    Inventor: Roger A. Hajjar
  • Patent number: 8804239
    Abstract: The present invention is a display screen projecting apparatus adaptable to be housed inside a wall. An outer shell is defined by a top board, a foot board, a backboard, a pair of side boards and a front panel. The outer shell comprising a synchronous motor designed to rotate on a synchronous motor bracket. The synchronous motor drives a shaft via a coupling means. A directional axis is configured to accommodate the shaft. A plurality of gears is inserted into the shaft and the shaft is capable of driving the plurality of gears. A cloth projector screen is attached to a cloth shaft. The display screen projecting apparatus employs a rotate and slide mechanism to automatically extend the cloth projector screen outwards from inside the wall. When not in use, the cloth projector screen automatically retracts back into the wall.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: August 12, 2014
    Assignee: Elite Screens, Inc.
    Inventors: Zhang Qingjun, Jiang Gengyuan, Zhu Jing
  • Publication number: 20140133019
    Abstract: The invention advantageously provides a deployable screen system that includes a roller tube, a motor/controller unit and a power supply unit. The motor/controller unit is disposed within the roller tube, and includes a bearing, rotatably coupled to a support shaft, and a DC gear motor. The output shaft of the DC gear motor is coupled to the support shaft such that the output shaft and the support shaft do not rotate when the support shaft is attached to the mounting bracket. The deployable screen system is operable by tugging, manual movement and wireless control. The DC gear motor is underpowered by a plurality of batteries positioned within the roller tube. In this way a novel, useful and nonobvious deployable screen system is presented.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 15, 2014
    Applicant: HOMERUN HOLDINGS CORPORATION
    Inventors: Willis Jay Mullet, Yan Rodriguez, Ben L. Garcia, Victoria Baynes Mullet, Matthew Warren Kirkland
  • Patent number: 8649092
    Abstract: A screen reflects projection light for display. The screen has a screen base designed to be wound and including a first surface (front surface) and a second surface (rear surface) on the side opposite to the front surface. The front surface contains a display area that has a reflection film on which the projection light is reflected. The screen further has a flexible protection member which is disposed on the portion of the rear surface corresponding to the outside of the display area in the width direction of the display area, and extends through substantially the full length of the display area in the winding direction of the display area. The front surface is positioned outside when the screen base is wound.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: February 11, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Kazuo Aoki
  • Patent number: 8649091
    Abstract: A screen unit includes a screen, a screen holding unit which holds the upper end of the screen, a screen winding unit around which the screen is wound, a pantograph mechanism which expands and stores the screen, and adjusting units which control the position of the upper end of the screen when the screen is expanded. The adjusting units have a support member which has a screw portion, and an adjusting screw member rotatably provided on the corresponding support member. The support member shifts in accordance with rotation of the adjusting screw member.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: February 11, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Kiyoshi Kuroi
  • Patent number: 8570651
    Abstract: A screen having a front and rear surface arranged to be used with viewing both 2D and 3D images. The front and rear screen surfaces are formed differently from different materials, where the front surface is used as a 3D image screen and the rear surface is used as a screen having high resolution.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: October 29, 2013
    Inventor: Hae-Yong Choi
  • Patent number: 8559104
    Abstract: A retractable projection screen having a projection screen surface, a lower batten fixed adjacent the bottom of the projection screen surface, an upper batten fixed adjacent the top of the projection screen surface, a winch mandrel, a cable adapted to be fixed to the upper batten and wound around the winch mandrel and an outer roller on which the projection screen surface is wound. An electric motor is coupled to the winch mandrel to rotate the mandrel, thereby raising and lowering the projection screen surface.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: October 15, 2013
    Assignee: IdeaWorkx LLC
    Inventor: Robert C. Hendricks
  • Publication number: 20130235455
    Abstract: The present invention is a display screen projecting apparatus adaptable to be housed inside a wall. An outer shell is defined by a top board, a foot board, a backboard, a pair of side boards and a front panel. The outer shell comprising a synchronous motor designed to rotate on a synchronous motor bracket. The synchronous motor drives an optical axis via a coupling means. A directional axis is configured to accommodate the optical axis. A plurality of gears is inserted into the optical axis and the optical axis is capable to drive the plurality of gears. A cloth projector screen is attached to a cloth axis employs a suitable rotate and slide mechanism to push the cloth projector screen outwards from inside the wall. The cloth projector screen launches automatically when in use and retracts back when not in use.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 12, 2013
    Applicant: ELITE SCREENS, INC.
    Inventors: Zhang Qingjun, Jiang Gengyuan, Zhu Jing
  • Patent number: 8526109
    Abstract: A portable projection screen has a carrying frame, a movable frame, an elastically-rotating reel, a projection screen and two linkages. The carrying frame has a chamber communicating with an opening; the reel is coupled between two ends of the carrying frame in an elastically rotatable manner and is located in the chamber of the carrying frame; the projection screen is arranged via the opening between the movable frame and the carrying frame; the projection screen upper side connects to the movable frame and the lower side connects to the reel; the linkages arranged between the movable frame and the carrying frame, each linkage end respectively pivots to the movable frame and the carrying frame to form a first and a second pivoting part respectively; a third pivoting part is arranged between the two ends of each linkage; the pivoting parts of each linkage is provided an antislip structure.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: September 3, 2013
    Assignee: Elite Screens Taiwan Co., Ltd.
    Inventor: Corey Chen
  • Patent number: 8516728
    Abstract: Provided is a flexible display apparatus that includes: a flexible display apparatus including: a flexible display panel; a housing including an opening through which the flexible display panel enters and exits the housing; a cylinder disposed within the housing to coil and uncoil the flexible display panel; and a stretcher that selectively extends from the opening to support the flexible display panel, such that the flexible display panel is substantially planar when the flexible display panel is extended outside of the housing.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: August 27, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Youn Hwan Jung
  • Patent number: 8416350
    Abstract: A detachable screen guard assembly mounted on a screen frame of a monitor comprising a screen protector and a fastening apparatus. The screen protector is transparent and made of glass, acrylic, or plastic having excellent transparency. The fastening apparatus includes at least one couple of a hooking member and a bracket member. The bracket member is mounted on the screen frame and the hooking member is mounted on the screen protector. The hooking member attaches mechanically to the bracket member. Because the hooking member can be disengaged from the bracket member, the screen protector can be detached from the screen frame to be cleaned or mounted on another monitor that has a bracket member installed. The invention also includes a method for securing a screen protector to a monitor by strapping the screen protector to the monitor support.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: April 9, 2013
    Inventors: Tihomir Tsanev, Detelina Todorova Tsaneva, Hristo Todorov Tsanev
  • Publication number: 20130077063
    Abstract: A projection display system includes a projection display unit and a member in a form of one of a windable screen, a white board and a notice board. The projection display unit projects an image light onto a projection plane of the member to display an image thereon. The projection display unit includes a light source, an image display element, a lighting optical system irradiating a beam of light from the light source on the image display element, and a projection optical system projecting the image light from the image display element toward the member. The projection optical system includes, in order toward the member from the image display element, a front lens group, and a reflecting mirror shaped to be axial-asymmetrical with respect to the optical axis.
    Type: Application
    Filed: November 14, 2012
    Publication date: March 28, 2013
    Inventors: Koji Hirata, Masahiko Yatsu, Takanori Hisada, Masayuki Ohki
  • Publication number: 20130027771
    Abstract: A screen reflects projection light for display. The screen has a screen base designed to be wound and including a first surface (front surface) and a second surface (rear surface) on the side opposite to the front surface. The front surface contains a display area that has a reflection film on which the projection light is reflected. The screen further has a flexible protection member which is disposed on the portion of the rear surface corresponding to the outside of the display area in the width direction of the display area, and extends through substantially the full length of the display area in the winding direction of the display area. The front surface is positioned outside when the screen base is wound.
    Type: Application
    Filed: July 9, 2012
    Publication date: January 31, 2013
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuo Aoki
  • Patent number: 8313199
    Abstract: A projection display system comprising a projection display unit including a light source, an image display element, a lighting optical system irradiating a beam of light on the image display element, and a projection optical system projecting an image light from the image display element toward a screen. The projection optical system including a lens group composed of a plurality of lens elements arranged in order toward the screen from the image display element and symmetrically with respect to an optical axis, and a reflecting mirror shaped to be axial-asymmetrical with respect to the optical axis. The projection display system further comprises a screen 5. The projection display unit projects the image light onto a projection plane of the screen to display an image.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: November 20, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Koji Hirata, Masahiko Yatsu, Takanori Hisada, Masayuki Ohki
  • Publication number: 20120287502
    Abstract: A rollable display screen for use in electronic display systems includes a rollable screen that is mechanically coupled to a roller mechanism and has a plurality of pixel elements disposed thereon. The roller mechanism is configured as a stowing mechanism for the rollable screen, and may be further configured to deploy the rollable screen as a substantially planar viewing surface. The rollable display screen can be advantageously used for a durable and easily transported electronic display device since the rollable display screen is light-weight, durable, and compact.
    Type: Application
    Filed: May 11, 2012
    Publication date: November 15, 2012
    Inventor: Roger A. Hajjar
  • Patent number: 8296980
    Abstract: An adjustable display board system comprises a display board, first and second grippers, first and second racks, and a handle. The first and second grippers are coupled to the display and include a plurality of teeth. The first and second racks are mounted to a rigid structure and include a plurality of teeth generally greater than the number of teeth of the first and second grippers. The teeth of the first and second grippers mesh with the teeth of the first and second racks to maintain the vertical position of the display board. The handle is pushed to disengage the grippers from the racks and allow vertical motion of the display board.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: October 30, 2012
    Inventors: Jorge Garcia, Sam Minnich
  • Publication number: 20120268815
    Abstract: A retractable projection screen having a projection screen surface, a lower batten fixed adjacent the bottom of the projection screen surface, an upper batten fixed adjacent the top of the projection screen surface, a winch mandrel, a cable adapted to be fixed to the upper batten and wound around the winch mandrel and an outer roller on which the projection screen surface is wound. An electric motor is coupled to the winch mandrel to rotate the mandrel, thereby raising and lowering the projection screen surface.
    Type: Application
    Filed: April 25, 2012
    Publication date: October 25, 2012
    Applicant: IDEAWORKX LLC
    Inventor: Robert C. Hendricks
  • Patent number: 8274737
    Abstract: The present invention provides a retractable frame of a projection screen, which comprises: a receiving case; a rolling shaft; a rolling device; a first support rod having one end laterally extended with an engaging plate having a plate hole, two opposing sides of the engaging plate respectively having an engaging surface; a second support rod having one end extended with two engaging arms, and each engaging arm having an engaging hole; a combination member connected with the second support rod and the first support rod; a top supporter; and a projection screen. When being unfolded, the top supporter is upwardly pulled till the connection location of the second support rod and the first support rod being approximately a line, so the engaging arms can be tightly abutted against the end portions of the engaging surfaces for achieving the objective of support.
    Type: Grant
    Filed: December 4, 2011
    Date of Patent: September 25, 2012
    Assignee: Bright Supply Corp.
    Inventor: Shih-Jen Wang
  • Patent number: 8254025
    Abstract: A screen unit includes a flexible screen, a pantograph mechanism which expands and stores the screen, a motor which shifts one end of the pantograph mechanism to stretch and contract the pantograph mechanism, and a wire. The screen unit further includes a housing which accommodates these components, and a cover which opens and closes at the time of expansion and storage of the screen. One end of the wire is held by the electric motor, and the other end of the wire is held by the cover, so that the cover can be closed in accordance with the contraction of the pantograph mechanism effected by the motor.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: August 28, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Kiyoshi Kuroi
  • Publication number: 20120206801
    Abstract: A screen unit includes a screen, a screen holding unit which holds the upper end of the screen, a screen winding unit around which the screen is wound, a pantograph mechanism which expands and stores the screen, and adjusting units which control the position of the upper end of the screen when the screen is expanded. The adjusting units have a support member which has a screw portion, and an adjusting screw member rotatably provided on the corresponding support member. The support member shifts in accordance with rotation of the adjusting screw member.
    Type: Application
    Filed: February 7, 2012
    Publication date: August 16, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kiyoshi Kuroi
  • Patent number: 8238023
    Abstract: A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: August 7, 2012
    Assignee: Draper, Inc.
    Inventor: Steven E. Enochs
  • Publication number: 20120162760
    Abstract: A portable projection screen comprises a first frame, a second frame a screen, rolled up within the first frame in a folded state, having a movable end, which is attached to the second frame, and a lever assembly, having two levers which form a shape like the letter X (or double X) with fixed and glidable ends, supporting the second frame in an unfolded state and being accommodated in the first frame in the folded state for a minimized volume and easy portability.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 28, 2012
    Inventor: Yin-Wen Chen
  • Patent number: 8199402
    Abstract: A portable screen assembly that is lighter in weight and easier to handle. The assembly includes a casing, a spring-biased roll rotatably mounted to the casing, a screen bonded at one end thereof to a top bar and wound around the spring-biased roll when in storage, and an expanding and contracting device having one end rotatably mounted to a mounting member mounted to the top bar and the other end rotatably mounted to the casing. The expanding and contracting device is a half-pantograph type expanding and contracting device having a first arm, a second arm and a third arm arranged in an extended plane parallel to the extended screen. The second arm includes two or more mutually parallel sub arms provided to be mutually parallel in the extended plane. The two or more sub arms are connected to the first arm and the second arm so as to form a parallel link.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: June 12, 2012
    Assignee: Izumi-Cosmo Company, Limited
    Inventors: Teruyuki Abe, Kazuharu Seki
  • Patent number: 8184369
    Abstract: A screen unit includes: a screen having a first side, a second side, and a pair of crossing sides which cross the first side and the second side; a winding shaft holding the first side and functioning as a shaft around which the screen is wound; a supporting portion supporting the second side; a pair of string-shaped members provided between the winding shaft and the supporting portion and disposed outside the pair of the crossing sides of the screen in the directions along the pair of the crossing sides; and a plurality of connecting members provided on the pair of the crossing sides to connect the screen and the pair of the string-shaped members, wherein the pair of the crossing sides are curved toward the inside of the screen, and cushioning members are provided in such a manner as to cover at least the pair of the string-shaped members.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: May 22, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Kiyoshi Kuroi
  • Patent number: 8169698
    Abstract: An integral, dual projection screen structure for displaying an image from a projection source. The projection screen structure comprises a frame; first and second movable projection screens disposed within the frame, each movable screen having an operable roller for rolling and unrolling the screen and being mounted at the top portion of the frame; and a masking system having at least two movable masking panels disposed within the frame over at least two of the top portion, bottom portion and first and second side portions of the front side of the sheet in the second screen.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: May 1, 2012
    Assignee: Stewart Filmscreen Corporation
    Inventor: Mark K. Robinson
  • Patent number: 8169697
    Abstract: A screen unit includes: a rectangular screen; fixing assist members provided on the screen along two opposed sides of the screen; first supporting units fixed to two sides of the screen different from the two opposed sides along which the fixing assist members are provided; second supporting units fixed to the screen via the fixing assist members; a first tensioning unit which applies tension in the direction of separating the first supporting units away from each other; and a second tensioning unit which applies tension in the direction of separating the second supporting units away from each other.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: May 1, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Ryoji Katsuma
  • Patent number: 8169702
    Abstract: A screen unit includes: a screen member; a first support member which supports one end of the screen member; a second support member which supports the other end of the screen member; a stretching and contracting device which expands the screen member; and a tensioning member disposed on the side opposite to the side where the screen member is provided with respect to the stretching and contracting device to apply tension in a direction substantially parallel with the direction from the first support member to the second support member.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: May 1, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Kiyoshi Kuroi, Hiroyuki Shindo
  • Patent number: 8164830
    Abstract: A screen assembly for a projectile-based simulator is comprised of front, right and left fabric panels that form a hitting bay with a front projector impact screen. Each fabric panel can be raised and lowered with respective roller assemblies that operate unison so that the fabric panels are simultaneously raised and lowered. Zippers are provided between each of the fabric panels that are configured to cause adjacent fabric panels to engage as the panels are lowered and to disengage as the panels are raised to allow the panels to wind upon respective roller assemblies.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 24, 2012
    Inventor: Todd M. Astill
  • Patent number: 8159745
    Abstract: A portable screen assembly is small, light and easy to handle and enables easy extension and contraction of a column stretching a screen. The column has at least a first cylindrical body, a second cylindrical body, and a third cylindrical body, wherein the first cylindrical body slides within the second cylindrical body and the second cylindrical body slides within the third cylindrical body. The column also includes a first lock portion locking slide of the first cylindrical body, a second lock portion locking slide of the second cylindrical body, a lock release lever provided at an upper end portion of the first cylindrical body, and a release bar having an upper end portion pivotally connected to the lock release lever so as to be movable vertically within the first cylindrical body.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: April 17, 2012
    Assignee: Izumi-Cosmo Company, Limited
    Inventors: Teruyuki Abe, Kazuharu Seki
  • Publication number: 20120075697
    Abstract: A screen assembly for a projectile-based simulator is comprised of front, right and left fabric panels that form a hitting bay with a front projector impact screen. Each fabric panel can be raised and lowered with respective roller assemblies that operate in unison so that the fabric panels are simultaneously raised and lowered. Zippers are provided between each of the fabric panels that are configured to cause adjacent fabric panels to engage as the panels are lowered and to disengage as the panels are raised to allow the panels to wind upon respective roller assemblies.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 29, 2012
    Inventor: Todd M. Astill
  • Patent number: 8120846
    Abstract: A projection screen (1) has a projection surface (2), support elements (4) for supporting the projection surface in the suspended state, elements for exerting vertical traction forces (FV) including elements (5) for weighting the bottom longitudinal edge of the projection surface, and elements for exerting horizontal traction forces (FH) including firstly two deformable elongate elements (9, 10) each connected to one of the lateral edges of the projection surface and secondly elements (11) for weighting each deformable elongate element. According to the invention, the weighting elements for exerting horizontal traction forces and the weighting elements for exerting vertical traction forces are distinct and are mounted to perform independent weighting action in at least one position corresponding to the or one of the utilization positions.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: February 21, 2012
    Inventors: Yves Trelohan, Yann Charlot
  • Patent number: 8115996
    Abstract: A screen fabric includes a stack of a plurality of layers. The plurality of layers include: a first layer that forms a surface layer on which a three-dimensional portion is to be formed; and a second layer that is different from the first layer. The first layer is made of a vinyl chloride resin, and the second layer has a lower hardness than the first layer.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: February 14, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Masashi Kitabayashi
  • Patent number: 8107166
    Abstract: A cabinet projection screen with an automatic cover-lifting function is provided, which includes a cabinet body (1). A cover-lifting mechanism (2) is disposed on the cabinet body (1). The cover-lifting mechanism (2) includes a cover plate (21), a transmission rod (22), and a cover-plate drive motor (23). The cover-plate drive motor (23) drives the cover plate (21) to open or close through the transmission rod (22). An elevator screen (3) is disposed inside the cabinet body (1). The elevator screen (3) is aligned with an opening (24) on the cabinet corresponding to the cover plate (21) when the cover plate (21) is opened. The cabinet projection screen can be used as a normal office desk or cabinet when not used for projection, and can also be used as a projection screen when necessary, so that a multi-functional office desk or cabinet is obtained.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: January 31, 2012
    Assignee: Elite Screens China Corp.
    Inventor: Chang-Hsiu Tsai Chen
  • Patent number: 8089692
    Abstract: A projection type image display apparatus includes an optical engine that emits a light according to image signal, a Fresnel lens on which the light emitted by the optical engine is incident and emitting the light as a parallel light, and a diffusion member that diffuses the parallel light emitted by the Fresnel lens. The projection type image display apparatus further includes a driving unit that moves the Fresnel lens or the diffusion member in a plane parallel to an emitting surface of the Fresnel lens or the diffusion member, a frame the supports the Fresnel lens, the diffusion member and the driving unit, a resilient supporting body that supports a weight of the Fresnel lens or the diffusion member with respect to the frame, and a holding unit that holds the Fresnel lens or the diffusion member so as to be movable in the plane parallel to the emitting surface of the Fresnel lens or the diffusion member.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: January 3, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Norihiro Watanabe, Atsushi Michimori, Kazuo Kadowaki, Takumi Kijima
  • Patent number: 8054547
    Abstract: A seamless, shadowless, rear projection full dome imaging system comprising a 360° screen having a plurality of translucent screen sections, a rigid superstructure to which the screen sections are attached; clamping rings to hold the screen sections together; clamp arms to attach the screen sections to the superstructure, a transparent light guide attached to each clamping ring; adjacent screen sections being held between adjacent light guides by clamp arms; a plurality of projectors projecting a light image onto the rear of the screen sections; the light guides having a rear face angled perpendicular to the projected light; and a narrow front edge on the front side of the light guide. All surfaces of the light guides, except the rear face and the narrow front edge, are coated with a black opaque finish.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: November 8, 2011
    Assignee: Acaji, Inc.
    Inventors: Glyn H. Anderson, Janeen D. Anderson, Joshua W. Perkins, Jeffrey W. Bryce
  • Patent number: 8035893
    Abstract: A collapsible projection screen system mountable on or at a moveable carriage (10), the system comprising a flexible projection screen (16) moveable between a collapsed position and an erect position in which the screen (16) is supported by a support arrangement (14, 15), and a screen tensioning mechanism (64, 40, 56) operable on the screen (16) in the erect position to provide a generally flat screen surface. In another embodiment there is disclosed a mounting assembly for a flexible projection screen in a collapsible projection screen system having a roller, a mechanism for applying tension across and between a leading edge and a trailing edge of the screen in the erect position, the mechanism comprising a braking device and a drive apparatus.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: October 11, 2011
    Inventor: Silas Creel