TOVIS CO., LTD. Patent applications |
Patent application number | Title | Published |
20150301390 | METHOD FOR MANUFACTURING CURVED DISPLAY - 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. | 10-22-2015 |
20150247966 | BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE COMPRISING SAME, AND GAME MACHINE - 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. | 09-03-2015 |
20140368782 | CURVED DISPLAY PANEL MANUFACTURING METHOD - A curved display panel manufacturing method for manufacturing a curved display panel having a curved shape using a flat display panel having a first substrate and a second substrate facing one another includes: paring partially outer portions of the first substrate and the second substrate so as to reduce thicknesses thereof to predetermined thicknesses; and forming fixing layers at edge areas which are not bent in a state of being bent to the desired curved shape among the edge areas of the first substrate and the second substrate. | 12-18-2014 |
20140354938 | ETCHING DEVICE, CURVED DISPLAY PANEL MANUFACTURING APPARATUS COMPRISING SAME, METHOD FOR MANUFACTURING CURVED DISPLAY PANEL USING SAME, AND CURVED DISPLAY PANEL MANUFACTURED BY SAME - The present invention provides a curved display manufacturing method which can prevent phenomenon that outer surface edges of substrates are broken or pared unevenly while etchant is being injected, a curved display panel manufacturing using the same, and a curved display panel manufactured by the same. For this, a curved display panel manufacturing apparatus includes: an etching portion for partially paring outer portions of a first substrate and a second substrate such that thicknesses thereof are reduced to predetermined thicknesses; and a bending portion for bending the partially pared flat liquid crystal panel to a desired curved shape. The etching portion includes: at least one edge protection cover which is disposed on outer surface edge of the first substrate and the second substrate; and an injection nozzle which injects etchant to outer surfaces of the first substrate and the second substrate and to the edge protection cover. | 12-04-2014 |
20140329579 | BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE AND GAME CONSOLE INCLUDING SAME - A game console includes: a liquid crystal display device comprising a backlight unit and a liquid crystal panel which is disposed in front of the backlight unit; and at least one reel which is disposed behind the backlight unit and where a plurality of symbols are displayed. The backlight unit includes: a light guiding panel; | 11-06-2014 |
20140235323 | DISPLAY DEVICE, AND GAME CONSOLE INCLUDING SAME - A display device includes: a first liquid crystal display device; a second liquid crystal display device which is disposed behind the first liquid crystal display device to be overlapped in a forward/rearward direction; and a light diffusion plate which is disposed between the first and second liquid crystal display devices. The first liquid crystal display device includes: a liquid crystal panel; a color filter plate which is disposed in front of the liquid crystal panel, a predetermined region of the color filter plate being removed; a polarizer plate which is disposed at a front and/or a rear of the liquid crystal panel; and a light source which is disposed behind the liquid crystal panel. The light diffusion plate is disposed between the first liquid crystal display device and the second liquid crystal display device to be overlapped with an area including the predetermined region in a forward/rearward direction. | 08-21-2014 |
20140200069 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE AND GAMING MACHINE INCLUDING SAME - A gaming machine includes: a liquid crystal panel; a backlight unit which is disposed behind the liquid crystal panel; and one or more reels which are disposed behind the backlight unit and on which a plurality of symbols are displayed. The backlight unit includes: a light switch plate which is formed such that a predetermined area corresponding to a symbol selection area where selected symbols among the plurality of symbols displayed on the reel can be selectively turned to be transparent or nontransparent using a polymer dispersed liquid crystal; a half mirror which is disposed behind the light switch plate; a first light source which is disposed in front of the half mirror and emits light passing through the light switch plate and progressing forward; and a second light source which is disposed behind the half mirror and emits lights. | 07-17-2014 |
20130278875 | CURVED SURFACE DISPLAY DEVICE - A curved surface display device includes: a grayscale image projection device which projects a grayscale image; and a color filter disposed in front of the grayscale image projection device and having a desired curved shape. By disposing a color filter having a curved shape in front of a grayscale image projection device, a curved surface display device displaying color images can be realized through a simple structure. | 10-24-2013 |
20130180653 | METHOD FOR FABRICATION OF CURVED-SURFACE DISPLAY PANEL - 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. | 07-18-2013 |
20130072309 | GAME MACHINE - A game machine includes: a cable capable of transmitting electric power and data signal; one or more function modules which are connected to the cable and are configured to perform a predetermined function respectively; and a main controller which generates data signal for controlling the function modules and transmits the generated data signal and electric power supplied from outside to the function modules via the cable. Since data signal such as image signal or audio signal and electric power are combined and are then transmitted via one cable, the data signal wiring and the electric power wiring between the main controller and the function module of a game machine can be unified as one, so wiring can be simplified. Accordingly, manufacturing and maintenance become easy and cost for the same can also be saved. | 03-21-2013 |
20120320509 | CURVED-SURFACE DISPLAY PANEL FABRICATION METHOD, CURVED-SURFACE DISPLAY PANEL USING SAME, AND MULTI-IMAGE DISPLAY DEVICE USING SAME - A curved-surface display panel fabrication method for fabricating a curved-surface display panel 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; bending the pared flat display panel to a desired curved shape; attaching a first guide member which has a shape corresponding to the desired curved shape to the first substrate with a predetermined gap from the pared outer surface thereof and attaching a second guide member with has a shape corresponding to the desired curved shape to the second substrate with a predetermined gap from the pared outer surface thereof; and forming light transmitting reinforcing layers respectively in a space between the first guide member and the first substrate and a space between the second guide member and the second substrate. | 12-20-2012 |
20120320049 | MULTI-LAYER IMAGE DISPLAY DEVICE - A multi-layer image display device for realizing a multi-layered image with a depth by overlapping a plurality of two-dimensional images includes: a plurality of screens which are disposed to be overlapped in a forward-backward direction; and one or more projectors which are disposed behind the plurality of the screens to selectively project one or more two-dimensional images on the screens. By using a screen and a projector, the cross stripes of the display can be fundamentally 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. | 12-20-2012 |
20120287021 | DISPLAY DEVICE FOR CONNECTING PLURALITY OF LCD PANELS - The invention provides a display device including a plurality of liquid crystal display (LCD) panels connected together, wherein each of the LCD panels has a standardized structure while being cut in an invisible region where there is no gate integrated circuit (IC), one of the cut LCD panels is set as a reference LCD panel, and another one of the cut LCD panels, which laterally adjoins the reference LCD panel, is 180° rotated such that a lateral cut portion of the reference LCD panel and a lateral cut portion of the adjoining LCD panel come into contact with each other, and an image branch relay board is connected to the LCD panels, to communicate with the LCD panels such that image information is branched to the reference LCD panel and the adjoining LCD panel. A plurality of LCD panels, which is provided in the form of generally-standardized products, are connected to constitute a display device having a large screen such that the display device has an extension region extended not only in a lateral direction, but also in a downward direction with respect to a reference panel. Accordingly, there is an effect of providing a display panel having a relatively large screen while overcoming a drawback encountered in a conventional tiled LCD device in which the tiled LCD device is extended only in one direction, so that it only has a rectangular shape. | 11-15-2012 |
20120204404 | METHOD FOR MANUFACTURING MULTI-DISPLAY DEVICE - A method for manufacturing a multi-display device by arranging adjacently a plurality of liquid crystal display panels includes: cutting the liquid crystal display panels along at least one edge to remove portions of the liquid crystal display panels respectively; arranging and fixing the liquid crystal display panels, in a state that a portion of the liquid crystal display panels is turned over, such that the cut edges face one another; removing a polarizer attached to a side of the liquid crystal display panel which will be turned over; and attaching a polarizer, which is of the same kind as a polarizer originally attached to the opposite side, to the side of the liquid crystal display panel from which the polarizer has been removed. | 08-16-2012 |
20120178521 | REEL APPARATUS OF GAME MACHINE - A reel apparatus includes: a plurality of display panels which are fixedly disposed at predetermined positions; a plurality of reels respectively having reel strips which are installed to independently rotate with respect to a single axis in a state of respectively covering a front surface of the display panels; a plurality of driving motors for respectively rotating the reels; and a controller for controlling image display operation of the display panel based on a signal representing rotation speed of the reel strips such that images of the display panels rotate respectively in response to a rotation speed of the reel strips. Instead of providing a plurality of display panels for each reel, one fixed display panel is provided for each reel and image displayed on the display panel rotates, so each reel requires only one display panel and thereby a manufacturing cost can be reduced. | 07-12-2012 |
20120168058 | CURVED DISPLAY PANEL MANUFACTURING METHOD - The present invention relates to a method for manufacturing a curved display panel. The method for manufacturing a curved display panel using a lower substrate and an upper substrate made of glass and opposite each other, and a liquid crystal layer formed between the lower substrate and the upper substrate, comprises: a step of cutting out portions of outer surfaces of the lower substrate and the upper substrate such that the thicknesses of the substrates are reduced to a preset level; and a step of bending the cut lower substrate and the cut upper substrate into a desired curved shape, and forming transparent polymer layers, having shapes identical to the desired curved shape, onto outer surfaces of the substrates, respectively, or attaching transparent substrates, which are prefabricated into shapes identical to the desired curved shape, onto outer surfaces of the substrates, respectively. | 07-05-2012 |
20120138653 | METHOD FOR CUTTING LIQUID CRYSTAL PANEL - The present invention relates to a method for cutting a liquid crystal display panel. A method for cutting a liquid crystal display panel which includes an upper panel and a lower panel includes: forming scribe lines on the upper panel and the lower panel respectively along a cutting direction; and breaking the upper panel and the lower panel by applying an external force at an outside of the scribe lines in a direction to urge the lower panel to be bent toward an outer surface thereof. | 06-07-2012 |
20120083180 | METHOD FOR CUTTING LIQUID CRYSTAL PANEL AND METHOD FOR MANUFACTURING LIQUID CRYSTAL PANEL USING THE SAME - The present invention relates to a method for cutting a liquid crystal display panel and a method for manufacturing a liquid crystal display panel having a desired size using the same. In a method for cutting a liquid crystal display panel which includes an upper panel to which a color filter is formed and a lower filter on which a thin film transistor is formed, the upper panel and the lower panel are respectively cut in such a way that a cut edge of the upper panel is outwardly protruded from a cut edge of the lower panel so that a step is formed at a cut surface between the upper panel and the lower panel. Since the cut edge of the upper panel is upwardly protruded from the cut edge of the lower panel, electrodes, signal lines, thin film transistors of the lower panel can be prevented from being damaged by the contact with the dispenser or by the pressure of the sprayed sealant while the sealant is formed after the cutting. | 04-05-2012 |
20110221995 | LIQUID CRYSTAL DISPLAY WITH A PLURALITY OF LIQUID CRYSTAL DISPLAY MODULES - The present invention relates to a liquid crystal display. A liquid crystal display includes: a mounting plate; a backlight unit; a plurality of liquid crystal panels which are arranged to be adjacent in a state of being spaced from an upper surface of the mounting plate; a fixing frame which is connected to the mounting frame and includes portions extending along neighboring edges of the plurality of the liquid crystal panels in a state of being spaced from one another by a predetermined distance; and a fixing bar which is fitted between the adjacent portions of the fixing frame in a state of pressing edges of the neighboring liquid crystal panels among the plurality of the liquid crystal panels. Since a liquid crystal panel is fixed by a fixing bar, the liquid crystal panel can be fixed more firmly with a simple structure. | 09-15-2011 |
20110116007 | BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE AND GAME MACHINE INCLUDING THE SAME - A game machine includes: a liquid crystal display including a liquid crystal panel and a back light unit disposed; and at least one reel which is disposed behind the back light unit and on which a plurality of symbols are disposed. The back light unit includes: a pair of transparent plates which are disposed to face each other, transparent electrodes being formed on corresponding predetermined areas the transparent plates; a polymer dispersed liquid crystal layer which is formed in a space between the transparent plates; and a light source module including a frame which is disposed behind the transparent plates, an area of the frame corresponding to the predetermined area being empty or transparent, and a planar light source or a plurality of light sources which is mounted to the frame to be disposed at an area corresponding to the predetermined area of the transparent plates. | 05-19-2011 |
20110102699 | LIQUID CRYSTAL DISPLAY AND REPAIR METHOD THEREOF - A liquid crystal display includes: a plurality of first signal lines; a plurality of second signal lines crossing with the first signal lines; a plurality of switching elements which are connected to one of the first signal lines and one of the second signal lines respectively; and a repair line crossing with at least a portion of the first signal lines. At least one third signal line of the first signal lines and the second signal lines is connected to the repair line and transmits a signal corresponding to an opened fourth signal line of the first signal lines. According to the present invention, even in case that a repair line is removed from at least portion of a liquid crystal display, cutting of a data line can be repaired. | 05-05-2011 |
20110085109 | BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE AND GAME MACHINE INCLUDING THE SAME - A game machine including: a liquid crystal display including a liquid crystal panel and a back light unit; and at least one reel which is disposed behind the back light unit. The back light unit for a liquid crystal display includes: a pair of light guide plates which are disposed to face each other, transparent electrodes being formed on corresponding predetermined areas of surfaces facing each other of the light guide plates; a polymer dispersed liquid crystal layer which is formed in a space between the light guide plates and is formed by polymer dispersed liquid crystal; and a plurality of light sources respectively disposed at edges of the light guide plates. | 04-14-2011 |
20110080387 | LIQUID CRYSTAL DISPLAY AND METHOD OF DISPLAYING IMAGE IN THE SAME - The present invention relates to a liquid crystal display and a method of displaying images, and a liquid crystal display includes: a liquid crystal panel assembly including a plurality of gate lines, a plurality of data lines crossing with the gate lines, and a plurality of pixels which are respectively connected to one of gate lines and one of the data lines; and a driver providing an image signal to the pixels. At least a portion of a non-display area of the liquid crystal panel assembly is cut and removed, and the driver displays black at a first display area in the vicinity of the removed non-display area. An area displaying images can be surrounded by black and thus image can be well-balancedly displayed without being biased in the whole screen so as to improve display quality. | 04-07-2011 |
20110012842 | TOUCH PANEL USING TEMPERED GLASS - A touch panel using tempered glass includes a first conductive unit and a second conductive unit. The first conductive unit includes a conductive film, a first indium-tin oxide (ITO) coating layer coated on a lower surface of the conductive film, and a first electrode printed on an edge of a lower surface of the first ITO coating layer. The second conductive unit includes a tempered glass substrate formed of tempered glass by an etching process, a second ITO coating layer coated on an upper surface of the tempered glass substrate, and a second electrode printed on an edge of an upper surface of the second ITO coating layer. The touch panel using tempered glass not only exhibits substantially improved strength and rigidity, but also has a variety of designs. | 01-20-2011 |
20100323791 | GAME MACHINE - A user operating the game machine and playing the game can easily transfer the intention of a necessary order or the like to a waiter/waitress, a main counter or the like, without leaving the game machine. Further, the user can check the total input amount for the total of games, the total payout amount, the win percentage per each game, the accumulated win percentage in the total of games. Further, the user can play the game while confirming the information provided in the language selected by the user in real-time, relatively at a glance. Consequently, the game machine is capable of increasing the fun of the game and preventing the user from going beyond a predetermined limit of spending money by being excessively emotionally linked to the game. | 12-23-2010 |
20100128005 | TOUCH PANEL BY OPTICS UNIT SENSOR - There is provided the touch panel by optics unit sensor that realizes one system of touch panel in all view angles, that is, from a small touch region to a large touch region, prevents a scratch from affecting on the surface of the display panel forming the touch region, enables the uniform sensing operation, and an accurate calculation of the touch distance and improves the response speed. The touch panel is designed, without the coating layer for conduction which is needed in each conventional touch panel, and has high durability, high optical transmittance and high resolution. | 05-27-2010 |
20100053231 | DISPLAY APPARATUS HAVING VARIOUS SHAPE - Disclosed relates to a display device including: a display unit displaying an image and formed such that interior angles that outer frames thereof make have values smaller or larger than 90°, and a driving unit driving the display unit by supplying image and character information to the display unit. Moreover, the display device is applicable to a game device including: a main body; a monitor included in the main body and displaying a game screen; and a display unit included in the main body and displaying an image, in which outer frames thereof selectively make a circular shape, a semicircular shape, or a shape mixed with a straight line and a curved line. The display device has an advantageous effect in that the display unit is designed with various shapes such as a semicircle and the like, thus polishing the appearance and providing a variety of designs. | 03-04-2010 |
20080316188 | LIQUID CRYSTAL DISPLAY COMPRISING DRIVING CIRCUIT UNIT - There is provided a liquid crystal display comprising a driving circuit unit. The driving circuit unit has an adaptor and an inverter for converting an input voltage integrally configured with each other. Thus, the liquid crystal display is made small. The liquid crystal display can stably and efficiently display an image through a smaller liquid crystal when an external voltage is supplied to each circuit. | 12-25-2008 |
20080316165 | LIQUID CRYSTAL DISPLAY HAVING INVERTER FOR CONTROLLING BACK LIGHT FOR LIQUID CRYSTAL DISPLAY PANEL HAVING A VARIETY OF SHAPES TO OBTAIN UNIFORM LUMINANCE - There is provided a liquid crystal display. The liquid crystal display includes a TFT-LCD panel having any one of a variety of shapes including a circular shape, an elliptical shape, a circular arc shape, and a shape with an angle other than 90°; a plurality of straight light sources disposed at a rear side of the TFT-LCD panel and having a different length according to the shape of the TFT-LCD panel; and an inverter and a transformer connected to one terminal of each light source, wherein the inverter induces a same current to the light sources having a different length and the transformer supplies a boosted voltage lo dependent on the length of each light source to the light source so that luminance is uniform. With the straight light sources having a different length for a back light unit suitable for a liquid crystal display panel having a variety of shapes including circular, elliptical, fan, and semicircular shapes according to the present invention, image quality of uniform luminance can be implemented on the entire display area of the panel. | 12-25-2008 |