WO2011052901A2 - Appareil d'affichage - Google Patents

Appareil d'affichage Download PDF

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Publication number
WO2011052901A2
WO2011052901A2 PCT/KR2010/006811 KR2010006811W WO2011052901A2 WO 2011052901 A2 WO2011052901 A2 WO 2011052901A2 KR 2010006811 W KR2010006811 W KR 2010006811W WO 2011052901 A2 WO2011052901 A2 WO 2011052901A2
Authority
WO
WIPO (PCT)
Prior art keywords
display means
polarizing film
display
liquid crystal
image
Prior art date
Application number
PCT/KR2010/006811
Other languages
English (en)
Korean (ko)
Other versions
WO2011052901A3 (fr
Inventor
이경찬
김찬환
이건호
Original Assignee
(주)코텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)코텍 filed Critical (주)코텍
Publication of WO2011052901A2 publication Critical patent/WO2011052901A2/fr
Publication of WO2011052901A3 publication Critical patent/WO2011052901A3/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F5/00—Roulette games
    • A63F5/04—Disc roulettes; Dial roulettes; Teetotums; Dice-tops
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133538—Polarisers with spatial distribution of the polarisation direction

Definitions

  • the present invention relates to a display apparatus in which the front display means and the rear display means combine and display a predetermined image. More particularly, the present invention relates to a display apparatus capable of clearly displaying a rear display image by increasing the perspective of the rear display means. .
  • a liquid crystal display apparatus is used to induce the interest of the game and to produce a more colorful image.
  • the liquid crystal display device is disposed in front, and an opening is formed in the light guide plate constituting the backlight of the liquid crystal display device.
  • the rear of the opening is provided with a rotating reel equipped with a reel band designed symbol mark. Therefore, the rotating reel display means is visible through the opening of the light guide plate, and at the same time, an image related to the game is displayed on the front liquid crystal display device, thereby causing interest of the game participant.
  • the above-described game device is to form an opening for viewing the image on the light guide plate and the optical sheets of the backlight to see the rear display means, but the display panel (for example, the liquid crystal panel and Since a plurality of glass substrates and films are laminated, there is a problem that the perspective view of the rear display means is reduced.
  • the display panel for example, the liquid crystal panel and Since a plurality of glass substrates and films are laminated, there is a problem that the perspective view of the rear display means is reduced.
  • the light guide plate of the backlight does not illuminate the front liquid crystal panel corresponding to the viewing area of the rear display means, the image is blurred in the see-through area of the liquid crystal panel (the area where the rear display means should be viewed) by light scattered from the surroundings. There is a problem that the image of the rear display means is not clearly visible.
  • the present invention has been proposed to solve the above problems, and by simply changing the structure of the display panel of the front display means to improve the perspective of the rear display means, to recognize the image displayed on the rear display means more clearly It is an object of the present invention to provide a display device capable of doing so.
  • the present invention is to selectively block the display of the rear display means by using an optical shutter, it is another object to clarify the idle state of the game by completely covering the rear display means in the field of view when the rear display means is not in operation. .
  • the display apparatus of the present invention for achieving the above object includes a front display means 10, and a rear display means 50 disposed behind the front display means 10, the front display means (
  • the front display means 10 comprises: a first polarizing film 22 and a second polarization on a front surface and a back surface, respectively;
  • a film 28, and the first polarizing film 22 and the second polarizing film 28 each have a display panel 20 having polarization axes perpendicular to each other;
  • a light guide plate 32 disposed behind the display panel 20 and having a viewing window 36 through which the rear display means 50 is visible, and a light source 34 disposed around the light guide plate 32.
  • a backlight 30, wherein the first polarizing film 22 and the second polarizing film 28 of the display panel 20 cut off a region corresponding to the viewing window 36. And the non-polarization region portions 22b and 28b are formed.
  • the rear display means 50 is a rotating reel display means having a plurality of rows of variable images.
  • the rear display means 50 is any one of LCD, PDP, OLED, AMOLED.
  • the rear display means 50 is a picture or an object displaying a predetermined image.
  • the display panel 20 is a liquid crystal panel in which a TFT substrate 26 and a color filter 24 are bonded to each other, and a liquid crystal is sealed between the TFT substrate 26 and the color filter 24.
  • the optical shutter 40 is further installed at the rear of the front display means 10 to cover an area corresponding to the viewing window 36.
  • the optical shutter 40 is a liquid crystal shutter composed of PDLC (Polymer Dispersed Liquid Crystal).
  • the display device of the present invention by partially cutting off the front and rear polarizing film of the display panel constituting the front display means to form a non-polarization area portion, the perspective of the rear display means is improved, and the polarization of the non-polarization area portion By preventing the occurrence of the screen display in spite of the change in the arrangement of the liquid crystal, there is an effect of preventing the image overlap between the front display means and the rear display means and improving the display quality of the rear display means.
  • the present invention by selectively blocking the perspective of the rear display means using the optical shutter, there is an effect that can clearly notify the idle state of the game.
  • the effects of the present invention described above are not limited to game devices such as a slot machine, but are a combination of a front display and a rear display such as a display device or an electronic picture frame that combines a front display and a rear display to realize a stereoscopic image. It can be usefully used in image display technology.
  • FIG. 1 is an exploded perspective view illustrating a display device according to the present invention
  • Figure 2 is a perspective view illustrating the light passing through by the polarizing film
  • FIG. 3 is a front view showing an image display example of the front display
  • FIG. 4 is a front view showing an example of a combination of front and rear display images
  • front display means 20 display panel
  • first polarizing film 22a polarization region portion
  • non-polarization region 24 color filter
  • TFT substrate 28 the second polarizing film
  • optical shutter 50 rear display means
  • the present invention relates to a display apparatus for displaying an image in which a front display means and a rear display means arranged behind the front display means are combined.
  • a display device may be used as a game device such as a slot machine, or may be applied in various forms such as a game device, a 3D stereoscopic image display device, an electronic picture frame, and a combination of other front and rear displays.
  • the present invention is provided with a liquid crystal display as a front display means, and a display means for rotating the reel as a rear display means.
  • the rotating reel display means variably displays the symbol mark printed on the reel band, and may be configured to determine whether the winning or not is decided according to the combination of the symbol marks.
  • the rear display means can be replaced with other types of display means.
  • a known display device such as a liquid crystal display (LCD), a plasma display panel (PDP), an organic light emitting diode (OLED), an active matrix organic light emitting diode (AMOLED), or the like may be installed as the rear display means.
  • a picture or an object (eg, jewelry, etc.) displaying a predetermined image may be installed as the rear display means.
  • FIG. 1 is an exploded perspective view illustrating a display device according to the present invention.
  • the front display means 10 is configured such that the display panel 20, the backlight 30, and the optical shutter 40 form a multilayer structure in the order shown in front of FIG. 1.
  • the rear display means 50 is installed at the rear of the front display means 10.
  • the embodiment of FIG. 1 shows an example in which a flat panel display device is installed.
  • the display device installed as the rear display means 50 is the same as the known display device, detailed description of the internal structure including the backlight will be omitted.
  • the rear display means 50 may be replaced by a display unit or a picture on which the rotating reel display means or a predetermined image is displayed.
  • the rotating reel display means when the rotating reel display means is installed as the rear display means 50, the rotating reel display means has a form in which the reel band is attached to the outer circumferential surface of the rotating reel, as in the conventionally known slot machine game apparatus. The symbol mark is designed.
  • the lighting means for illuminating the symbol mark of the rotary reel is provided.
  • the rotating reel display means controls the lighting means to illuminate the rotating reel, and determines whether to win the game by a combination of symbol marks projected through the front display means 10 when the rotating reel stops rotating. .
  • the display panel 20 is preferably a liquid crystal panel.
  • the display panel 20 has a configuration in which the first polarizing film 22 and the second polarizing film 28 are installed on the front and rear surfaces of the panel on which the TFT substrate 26 and the color filter 24 are bonded.
  • the TFT substrate 26 is an array substrate in which pixels and pixel electrodes are arranged in a matrix form and the gate metal and the source metal are wired vertically and horizontally, similarly to a known liquid crystal panel, and the color filter 24 is formed on the glass substrate. It is a substrate on which a G, B pattern is printed or a R, G, B film is coated.
  • a drive IC is mounted on the side of the panel on which the TFT substrate 26 and the color filter 24 are bonded, and liquid crystal is enclosed between the TFT substrate 26 and the color filter 24.
  • the polarizing film in the present invention has a specialized structure to increase the perspective of the rear display means (50).
  • the first polarizing film 22 and the second polarizing film 28 have polarization axes perpendicular to each other.
  • the polarization axis of the first polarization film 22 is directed upward and the polarization axis of the second polarization film 28 is directed to the right, but the directions of the polarization axes may be opposite to each other. If the polarization axes of the film are perpendicular to each other, they may be formed in different directions.
  • the first polarizing film 22 and the second polarizing film 28 have a form in which the viewing area through which the rear display means 50 is viewed is cut off.
  • a polarizing film as shown by cutting by removing the central portion of the polarizing film using a laser cutting device.
  • the first polarizing film 22 and the second polarizing film 28 have a central portion open to form non-polarization region portions 22b and 28b. In the regions other than the non-polarization region portions 22b and 28b, the polarization region portions 22a and 28a are formed.
  • the polarizing film of such a configuration works as follows.
  • the TFT substrate 26 a predetermined voltage is applied to the liquid crystal while the TFT of each pixel is turned on / off. As a result, the polarization direction of the light from the backlight 30 is switched while the arrangement of the liquid crystals is changed.
  • the first polarizing film 22 and the second polarizing film 28 determine the transmission and blocking of light to enable various colors through the color filter.
  • the polarizing action occurs as in the conventional liquid crystal panel.
  • the transmission and blocking of light cannot be controlled in the non-polarization area portions 22b and 28b, and screen display does not occur despite a change in the arrangement of liquid crystals. Therefore, in the non-polarization area portions 22b and 28b cut off the polarizing film, as shown by the dotted line arrow in FIG.
  • the backlight 30 is a means for illuminating the display panel 20 from the rear of the display panel 20.
  • the light guide plate 32 is provided with a viewing window 36 in which a rear display means 50 is visible in the center thereof.
  • a light source 34 arranged around the periphery of 32.
  • the light source 34 may be configured as a Cold Cathode Fluorescent Lamp (CCFL) as shown in FIG. 1 or as an LED (Light Emitting Diode) as another example.
  • CCFL Cold Cathode Fluorescent Lamp
  • LED Light Emitting Diode
  • the backlight 30 includes optical sheets such as a prism sheet and a diffusion sheet, and a reflective sheet for reflecting light is provided on the rear surface of the light guide plate 32.
  • optical sheets such as a prism sheet and a diffusion sheet
  • a reflective sheet for reflecting light is provided on the rear surface of the light guide plate 32.
  • Each of the optical sheet and the reflective sheet as described above is formed with an opening for seeing the rear display means (50).
  • the see-through window 36 of the light guide plate 32 may be formed by opening the center portion of the glass substrate, but may be replaced by forming a transparent non-light emitting region without opening the center portion.
  • the non-light emitting area may be formed without cutting the light guide plate.
  • An optical shutter 40 may be further installed behind the backlight 30.
  • the optical shutter 40 optically transmits or blocks the light from the rear display means 50, and is preferably composed of a polymer dispersed liquid crystal (PDLC).
  • PDLC is a panel containing a liquid crystal in a polymer without using a polarizing film.
  • the liquid crystal molecules are irregularly arranged to block light without applying a voltage, and when voltage is applied, the liquid crystal becomes neat and is converted into a transmission state. .
  • the optical shutter 40 can completely block the perspective of the rear display means 50. For example, in order to clearly notify the idle state of the game, the optical shutter 40 may block the perspective of the rear display means 50.
  • FIG. 3 shows a screen display in which the perspective of the rear display means 50 is blocked by the optical shutter 40 or the illumination means of the rear display means 50 is turned off.
  • the front display image 66 corresponding to the fish image will be displayed on the front display screen 62.
  • the fish image is not displayed in the cut-off region portion 64 corresponding to the non-polarization region portions 22b and 28b of the polarizing film. That is, even when a signal for displaying an image is generated in the liquid crystal panel, substantially no image is displayed in the cut off region 64 in which the polarizing film is cut off.
  • FIG 4 shows an example of combining images of the front and rear displays when the rear display means 50 is viewed. Referring to this, if the fork image is displayed on the rear display means 50, the rear display image 68 of the rear display means 50 is projected through the cut off area 64, and the display device displays the fish image and the fork. Create a combined image.
  • the screen display of the front display means 10 does not actually occur in this area

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Display Devices Of Pinball Game Machines (AREA)

Abstract

La présente invention concerne un appareil d'affichage comprenant un moyen d'affichage avant (10) et un moyen d'affichage arrière (50) placé derrière le moyen d'affichage avant (10), le moyen d'affichage avant (10) et le moyen d'affichage arrière (50) étant placés de sorte que des images sur le moyen d'affichage arrière (50) sont visibles à travers une partie du moyen d'affichage avant. Le moyen d'affichage avant (10) comprend: un panneau d'affichage (20) présentant une surface avant et une surface arrière sur lesquelles sont formés un premier film polarisant (22) et un second film polarisant (28), respectivement, le premier film polarisant (22) et le second film polarisant (28) présentant des axes de polarisation qui se coupent selon un angle droit; et un système de rétroéclairage (30) qui est placé derrière le panneau d'affichage (20), et qui comprend une plaque guide de lumière (32) présentant une fenêtre de projection (36) à travers laquelle est visible le moyen d'affichage arrière (50), et des sources de lumière (34) placées sur la circonférence de la plaque guide de lumière (32). Le premier film polarisant (22) et le second film polarisant (28) du panneau d'affichage (20) présentent des régions non polarisantes (22b, 28b) respectives formées par découpe des régions correspondant à la fenêtre de projection (36). Aucune polarisation ne se produit dans les régions non polarisantes (22b, 28b) du premier film polarisant (22) et du second film polarisant (28), de sorte qu'une image sur le panneau d'affichage (20) est déconnectée, et la capacité de projection d'image du moyen d'affichage arrière (50) est améliorée pour obtenir une netteté d'image améliorée sur le moyen d'affichage arrière.
PCT/KR2010/006811 2009-10-27 2010-10-06 Appareil d'affichage WO2011052901A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090102471A KR101165437B1 (ko) 2009-10-27 2009-10-27 디스플레이장치
KR10-2009-0102471 2009-10-27

Publications (2)

Publication Number Publication Date
WO2011052901A2 true WO2011052901A2 (fr) 2011-05-05
WO2011052901A3 WO2011052901A3 (fr) 2011-10-13

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KR (1) KR101165437B1 (fr)
WO (1) WO2011052901A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9075199B2 (en) 2012-10-30 2015-07-07 Apple Inc. Displays with polarizer layers for electronic devices
US10215901B2 (en) * 2015-11-04 2019-02-26 Nitto Denko Corporation Polarizer, polarizing plate, and method of producing polarizer
CN109782938A (zh) * 2017-11-14 2019-05-21 京东方科技集团股份有限公司 显示装置的制作方法及显示装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200020241A (ko) * 2018-08-16 2020-02-26 주식회사 토비스 투과부를 갖는 디스플레이 모듈 및 이를 구비한 게임기

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09265087A (ja) * 1996-03-28 1997-10-07 Nippon Seiki Co Ltd 液晶表示装置
JP2004008705A (ja) * 2002-06-11 2004-01-15 Aruze Corp 遊技機及び遊技機用表示装置
JP2005208372A (ja) * 2004-01-23 2005-08-04 Advanced Display Inc 液晶表示装置およびこれを用いた遊技機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09265087A (ja) * 1996-03-28 1997-10-07 Nippon Seiki Co Ltd 液晶表示装置
JP2004008705A (ja) * 2002-06-11 2004-01-15 Aruze Corp 遊技機及び遊技機用表示装置
JP2005208372A (ja) * 2004-01-23 2005-08-04 Advanced Display Inc 液晶表示装置およびこれを用いた遊技機

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9075199B2 (en) 2012-10-30 2015-07-07 Apple Inc. Displays with polarizer layers for electronic devices
US9690024B2 (en) 2012-10-30 2017-06-27 Apple Inc. Displays with polarizer layers for electronic devices
US10215901B2 (en) * 2015-11-04 2019-02-26 Nitto Denko Corporation Polarizer, polarizing plate, and method of producing polarizer
US10578786B2 (en) 2015-11-04 2020-03-03 Nitto Denko Corporation Polarizer, polarizing plate, and method of producing polarizer
CN109782938A (zh) * 2017-11-14 2019-05-21 京东方科技集团股份有限公司 显示装置的制作方法及显示装置
CN109782938B (zh) * 2017-11-14 2021-01-15 京东方科技集团股份有限公司 显示装置的制作方法及显示装置

Also Published As

Publication number Publication date
WO2011052901A3 (fr) 2011-10-13
KR101165437B1 (ko) 2012-07-12
KR20110045773A (ko) 2011-05-04

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