Patents Assigned to Tovis Co., Ltd.
-
Publication number: 20190022524Abstract: A three-dimensional image device for providing an improved sense of immersion includes: a moving stage that includes a seat on which a viewer sits and a seat moving mechanism for moving the seat; a first transparent curved display located in front of the viewer and having a curved surface shape that is concave in the direction in which the viewer watches the first curved display, wherein the seat moves according to a first displayed image; and a second curved display located behind the first curved display and having a curved surface shape that is concave in the direction in which the viewer watches the second curved display, wherein the second curved display displays a second image overlapping the first image. Accordingly, it is possible to enhance the three-dimensional effect of a three-dimensional image, to increase a sense of immersion, and to improve a sense of realism.Type: ApplicationFiled: September 4, 2015Publication date: January 24, 2019Applicant: TOVIS CO., LTD.Inventors: Kyung Ha LEE, Hwan Jin KIM, Ryong Min PARK
-
Patent number: 10151949Abstract: A backlight unit of a curved display device to irradiate a curved display panel with light comprises: a light source configured to emit light to the display panel; and a back plate including a plurality of planar sections, each having a predetermined width, arranged in a circumferential direction of the display panel on a concentric circle, the center point of which coincides with the center point of a virtual circle defined by the curved display panel, the planar sections of the back plate being bent relative to each other into a curved form such that the light source is installed to the respective bent sections of the bent curved back plate.Type: GrantFiled: December 19, 2014Date of Patent: December 11, 2018Assignee: TOVIS CO., LTD.Inventors: Hwan Jin Kim, Gi Yun Eom
-
Publication number: 20180321441Abstract: An optical fiber plate manufacturing apparatus using vibration, includes: an optical fiber supply unit configured to supply an optical fiber; an optical fiber cutting unit configured to cut the optical fiber, supplied from the optical fiber supply unit, to a preset size; an optical fiber storage case configured to collect and store optical fibers, cut to the preset size, in a predetermined direction; and an optical fiber arranging unit configured to arrange the optical fibers, stored in the optical fiber storage case, using vibration so as to minimize a gap between the optical fibers.Type: ApplicationFiled: October 28, 2016Publication date: November 8, 2018Applicant: TOVIS CO., LTD.Inventors: Kyung Ha LEE, In Soo JEON, Young Tae JEONG, In Suk LEE, Seung Hwan HANG, Jae Min KIM, Gi Yun EOM
-
Publication number: 20180239084Abstract: A digital bezel of a display device includes: a display device including a bezel region for displaying an image different from an effective screen by dividing a frame portion of an effective screen of the display device; and an optical pick-up member, mounted in the bezel region, for picking up an image displayed in the bezel region in a straight line by a predetermined thickness to three-dimensionally highlight the image. As such, the three-dimensional effect of the image can be emphasized and manufacturing costs can be reduced.Type: ApplicationFiled: September 3, 2015Publication date: August 23, 2018Applicant: TOVIS CO., LTD.Inventors: Yong Beom KIM, Kyung Ha LEE
-
Patent number: 10056048Abstract: Disclosed is a double-sided display device which comprises a display panel that has a plurality of pixels arranged in a matrix form and displays an image; a blank means that blanks out some pixels on one surface of the display panel with an arbitrary pattern to prevent an image which the pixels display from being shown and blanks out other pixels, except for the pixels blanked out with the arbitrary pattern, on the other surface of the display panel; and a conversion unit that makes a conversion such that the left and right sides of the image displayed through the pixels blanked out by the blank means and the image displayed through the pixels which are not blanked out are reversed with respect to the one surface of the display panel, and provides the converted images to the display panel.Type: GrantFiled: December 1, 2014Date of Patent: August 21, 2018Assignee: TOVIS CO., Ltd.Inventor: Yong Beom Kim
-
Patent number: 10048523Abstract: A method of etching a display panel for manufacturing a curved display device comprises the steps of: applying a masking ink in a manner of immersing a non-etched portion of a display panel into an ink reservoir, which contains the masking ink, in order to protrude the non-etched portion from the display panel; curing the masking ink coated on the non-etched portion of the display panel; etching the display panel to reduce the thickness of the display panel by coating an etching liquid onto the display panel on which the masking ink is cured; and removing the masking ink from the etched display panel with a solvent, which dissolves the masking ink.Type: GrantFiled: December 24, 2014Date of Patent: August 14, 2018Assignee: TOVIS CO., LTD.Inventors: Hwan Jin Kim, Gi Yun Eom
-
Patent number: 9983348Abstract: A backlight unit for a liquid crystal display device includes: a light source; a first light guiding panel which guides light emitted from the light source; a second light guiding panel which is disposed behind the first light guiding panel and is provided to be movable so as to be selectively disposed at a position of being overlapped with a predetermined area of the first light guiding panel in a back and forth direction and at a position of not being overlapped with the predetermined area in a back and forth direction; and a driving part which provides a driving force for moving the second light guiding panel.Type: GrantFiled: September 2, 2013Date of Patent: May 29, 2018Assignee: TOVIS CO., LTD.Inventor: Yong-Beom Kim
-
Publication number: 20180004039Abstract: A backlight unit of a curved display device to irradiate a curved display panel with light comprises: a light source configured to emit light to the display panel; and a back plate including a plurality of planar sections, each having a predetermined width, arranged in a circumferential direction of the display panel on a concentric circle, the center point of which coincides with the center point of a virtual circle defined by the curved display panel, the planar sections of the back plate being bent relative to each other into a curved form such that the light source is installed to the respective bent sections of the bent curved back plate.Type: ApplicationFiled: December 19, 2014Publication date: January 4, 2018Applicant: TOVIS CO., LTD.Inventors: Hwan Jin KIM, Gi Yun EOM
-
Publication number: 20170352547Abstract: Provided is an etching delay element for forming a protruding portion at an object by shielding part of the object against etching, the etching delay element being attached to a non-etching section of the object corresponding to the protruding portion and being made of a material that is etchable by an etchant.Type: ApplicationFiled: December 26, 2014Publication date: December 7, 2017Applicant: TOVIS CO., LTD.Inventor: Gi Yun EOM
-
Publication number: 20170351135Abstract: A method of etching a display panel for manufacturing a curved display device comprises the steps of: applying a masking ink in a manner of immersing a non-etched portion of a display panel into an ink reservoir, which contains the masking ink, in order to protrude the non-etched portion from the display panel; curing the masking ink coated on the non-etched portion of the display panel; etching the display panel to reduce the thickness of the display panel by coating an etching liquid onto the display panel on which the masking ink is cured; and removing the masking ink from the etched display panel with a solvent, which dissolves the masking ink.Type: ApplicationFiled: December 24, 2014Publication date: December 7, 2017Applicant: TOVIS CO., LTD.Inventors: Hwan Jin KIM, Gi Yun EOM
-
Publication number: 20170316725Abstract: A display apparatus having levitation effect comprises: a panel support portion supported by one of a floor, a side wall, and a ceiling; a display panel vertically spaced apart from the panel support portion so as to display an image; a transmission panel made of a transparent material and connecting the display panel to the panel support portion such that a gap between the panel support portion and the display panel is penetrated and visible in a state in which the display panel is levitated; and a transparent electrode attached to the transmission panel and formed in a film form having electric conductivity and light transmission so as to transmit power and signals for driving the display panel from the panel support portion.Type: ApplicationFiled: December 1, 2014Publication date: November 2, 2017Applicant: TOVIS CO., LTD.Inventors: Yong Beom KIM, Joon Seog KIM
-
Patent number: 9784998Abstract: Provided is a method for manufacturing a curved display by which a display module that has a tap for electrical connection is manufactured into the curved display, the method including: a step of sealing a circumference of the display module excluding a part of the tap which projects outward from the display module with a sealing material having acid resistance; a step of performing masking by using a masking member to surround either a pair of left and right sides or a pair of upper and lower sides facing each other in the sealed display module; a step of etching the display module, excluding the masked part of the masked display module, into a preset thickness such that the thickness of the display module is decreased; a step of removing the masking member from the display module that is etched in the etching step; and a step of bending the display module from which the masking member is removed into the curved surface.Type: GrantFiled: October 22, 2013Date of Patent: October 10, 2017Assignee: TOVIS CO., LTD.Inventor: Yong Beom Kim
-
Publication number: 20170255033Abstract: Disclosed are a curved display manufacturing apparatus, comprising: a curved surface suction mold comprising a panel seat surface having a curved shape corresponding to a curved shape of the curved display to be formed, and air sucking holes formed through the panel seat surface; an air sucking unit for sucking air through the air sucking holes; a main frame for supporting the curved surface suction mold, to space the curved surface suction mold from a bottom of the main frame; and a pressing roller unit for pressing a curvature maintaining member to maintain the display panel in a bent state while sliding along a curved surface of the display panel under a condition that the curvature maintaining member overlaps with the display panel, for pressed attachment of the curvature maintaining member to the display panel.Type: ApplicationFiled: November 10, 2014Publication date: September 7, 2017Applicant: TOVIS CO., LTD.Inventors: Hwan Jin KIM, Chang Min OH, Gi Yun EOM
-
Patent number: 9749611Abstract: A stereoscopic imaging device including: a body having a stereoscopic image display window for providing a stereoscopic image; an image combining panel which divides an inner space of the body into a first space for providing a virtual image, and a second space for providing a real image, on the stereoscopic image display window, transparency of the image combining panel being changed by input of a power; a first display which is positioned in the first space to provide the virtual image on the stereoscopic image display window through the image combining panel; a target mechanism which is positioned in the second space to provide the real image on the stereoscopic image display window through the image combining panel; an illumination mechanism which is positioned in the second space to illuminate a beam of light onto the target mechanism; and a control unit for controlling the respective units.Type: GrantFiled: April 18, 2014Date of Patent: August 29, 2017Assignee: TOVIS CO., LTD.Inventor: Jeong Kyu Park
-
Patent number: 9661316Abstract: A multi-layered image display device for realizing a multi-layered image with a depth by overlapping a plurality of two-dimensional images includes: a display which can be selectively transparent and produce a first two-dimensional image through a combination of a plurality of pixels, a screen which is disposed behind the display so as to be overlapped in a forward-backward direction with the display; and a projector which is disposed behind the screen so as to project a second two-dimensional image on the screen. By adopting a screen and a projector instead of a rear display and a backlight unit, the cross stripes of the rear display can be removed so as to prevent the occurrence of the interference pattern (Moire phenomenon) due to the interference of different pixel patterns, and an additional diffuse layer can be omitted so that an assembling process of the multi-layer image display device can be simplified.Type: GrantFiled: March 2, 2011Date of Patent: May 23, 2017Assignee: TOVIS CO., LTD.Inventors: Yong Beom Kim, Yang Rae Kim
-
Patent number: 9581844Abstract: A curved-surface display panel fabrication method for fabricating a curved display panel having a desired curved shape using a flat display panel having a first substrate and a second substrate, includes: paring partially outer surfaces of the first substrate and the second substrate so as to reduce thicknesses thereof to a predetermined thickness; and attaching a reinforcing plate having the same shape with the desired curved shape and light transmitting characteristics to the display panel using an adhesive layer which is formed on at least a portion of edge portions of the display panel in a state that the pared flat display panel is bent to the desired curved shape.Type: GrantFiled: August 25, 2011Date of Patent: February 28, 2017Assignee: TOVIS CO., LTD.Inventors: Yang-Rae Kim, Hwan-Jin Kim, Jin-Woo Lee
-
Patent number: 9523875Abstract: A method for manufacturing a curved-surface display having a desired curved shape using a flat display panel having a first substrate and a second substrate includes: paring partially outer surfaces of the first substrate and the second substrate so as to reduce thicknesses thereof to a predetermined thickness; attaching a polarizer on at least one of the pared outer surfaces of the first substrate and the second substrate; and attaching a reinforcing plate having the same shape with the desired curved shape and light transmitting characteristics to the display panel using an adhesive layer which is formed on at least a portion of edge portions of the display panel in a state that the pared flat display panel to which the polarizer is attached is bent to the desired curved shape.Type: GrantFiled: August 22, 2012Date of Patent: December 20, 2016Assignee: TOVIS CO., LTD.Inventor: Yong-Beom Kim
-
Publication number: 20160322007Abstract: Disclosed is a double-sided display device which comprises a display panel that has a plurality of pixels arranged in a matrix form and displays an image; a blank means that blanks out some pixels on one surface of the display panel with an arbitrary pattern to prevent an image which the pixels display from being shown and blanks out other pixels, except for the pixels blanked out with the arbitrary pattern, on the other surface of the display panel; and a conversion unit that makes a conversion such that the left and right sides of the image displayed through the pixels blanked out by the blank means and the image displayed through the pixels which are not blanked out are reversed with respect to the one surface of the display panel, and provides the converted images to the display panel.Type: ApplicationFiled: December 1, 2014Publication date: November 3, 2016Applicant: TOVIS CO., Ltd.Inventor: Yong Beom KIM
-
Publication number: 20160291715Abstract: A curved display apparatus providing an air touch input function including: a curved display including a concavely curved monitor to display a three-dimensional image; a three-dimensional filter unit having the same radius of curvature as the curved monitor and disposed in front of the curved monitor; a position input unit disposed in front of the three-dimensional filter unit and configured to detect a three-dimensional position according to a user's non-touch motion in a predetermined sensing region; and an image control unit configured to control a three-dimensional image displayed on the curved monitor by transmitting position information sensed through position input unit to the curved display, wherein air touch input through a user's non-touch motion is performed in a concave region of the curved display.Type: ApplicationFiled: November 10, 2014Publication date: October 6, 2016Applicant: TOVIS CO., Ltd.Inventors: Yong Beom KIM, Joon Seog KIM
-
Publication number: 20150301390Abstract: Provided is a method for manufacturing a curved display by which a display module that has a tap for electrical connection is manufactured into the curved display, the method including: a step of sealing a circumference of the display module excluding a part of the tap which projects outward from the display module with a sealing material having acid resistance; a step of performing masking by using a masking member to surround either a pair of left and right sides or a pair of upper and lower sides facing each other in the sealed display module; a step of etching the display module, excluding the masked part of the masked display module, into a preset thickness such that the thickness of the display module is decreased; a step of removing the masking member from the display module that is etched in the etching step; and a step of bending the display module from which the masking member is removed into the curved surface.Type: ApplicationFiled: October 22, 2013Publication date: October 22, 2015Applicant: TOVIS CO., LTD.Inventor: Yong Beom KIM