JP4627174B2 - Game machine with donut liquid crystal - Google Patents

Description

  The present invention relates to a gaming machine such as a slot machine, and more particularly to a gaming machine provided with a liquid crystal display device for effect display.

  2. Description of the Related Art A gaming machine equipped with a liquid crystal display device for effect display is known in order for players to enjoy a game more.

  For example, in a slot machine that rotates and stops a plurality of spinning reels on which symbols are drawn according to the player's operation and pays out game medals according to the aligned symbols, Recently, the display area has been expanded from one having a small liquid crystal display device on the upper side or the like (see, for example, Patent Document 1) to one having a large liquid crystal display device in almost the entire area of the front panel. Slot machines that display effects with high visual effects have appeared in game halls and the like.

  That is, in the so-called conventional general slot machine disclosed in Patent Document 1, a front door having a front panel is attached to a housing that houses a plurality of reel reels, and the front panel It is possible for the player to visually recognize the movements and symbols of the plurality of reel reels in the housing through a transparent transmission window formed in the substantially central region. A small-sized liquid crystal display device that provides effect display is provided on the front panel so that the function as a decorative panel is exhibited and the transmission window is not obstructed, that is, on the upper side of the front panel.

  On the other hand, in a slot machine having a large liquid crystal display device that has recently appeared in amusement halls and the like, a transmissive liquid crystal display device having a large display area is attached to substantially the entire front panel. With the expansion of the display area, it is possible to provide an effect display that provides a more realistic feeling, and the player is accommodated in the housing via the display area of the transmissive liquid crystal display device. You can see the movement and design of the multiple reel reels.

JP 2003-220178 A

  By the way, in a transmissive liquid crystal display device provided in a slot machine that appears in the above-mentioned game halls and the like, a light guide plate (light guide) having approximately the same size as the display area is a liquid crystal layer. And a light reflecting sheet and a reflecting plate are provided on the entire back surface of the light guide plate, and a light source such as a cathode tube is provided at the light incident end of the light guide plate. The light emitted from the light source is guided by the light guide plate and reflected by the light reflecting sheet or the reflecting plate, and surface illumination is performed from the back side of the liquid crystal layer, thereby providing a clear presentation display.

  However, if a high-reflectivity light-reflecting sheet or reflector is provided on the entire back surface of the light guide plate in order to achieve a clear effect display, as described above, the light guide plate is rotated to the rear side, that is, the back side (housing side). Since the drum reel is positioned, there is a problem that it becomes difficult to see the reel reel due to the light reflection sheet and the reflector.

  Also, in order to make the reel reel easier to see, no light reflecting sheet or reflector is provided on the back surface of the light guide plate facing the reel reel, and only the back surface not facing the reel reel is reflected. If a sheet or a reflecting plate is provided, light leaks from the exposed portion of the light guide plate where the light reflecting sheet or the reflecting plate is not provided, and the outer peripheral surface of the spinning reel is unnecessarily illuminated. For this reason, there arises a problem that, for example, a pattern or the like drawn on the outer peripheral surface of the spinning reel becomes a so-called white-out state and becomes difficult to see.

  The present invention has been made in view of the above-described conventional problems. Even when a component such as a spinning reel is disposed on the back side of the liquid crystal display device, the liquid crystal display device performs clear presentation display. An object of the present invention is to provide a gaming machine having a structure in which the component can be clearly seen through a liquid crystal display device.

  The invention described in claim 1 is a gaming machine having a liquid crystal display device and a component provided on the back side of the liquid crystal display device, the component of the light guide plate provided in the liquid crystal display device An opening is formed in a portion opposite to the light guide plate, and a slit-like groove for blocking the passage of light is formed in the back surface portion of the light guide plate so as to surround the opening.

  According to a second aspect of the present invention, in the gaming machine according to the first aspect, the slit-shaped groove is a sawtooth or triangular wave-shaped continuous groove.

  According to a third aspect of the present invention, in the gaming machine according to the first or second aspect, a light shielding member formed of a material that absorbs or reflects light is inserted into the slit-like groove. Features.

  According to a fourth aspect of the present invention, in the gaming machine according to the first or second aspect, the slit-like groove is filled with a resin that absorbs or reflects light.

The invention according to claim 5, in the gaming machine according to any one of claims 1 to 4, the liquid crystal panel body provided in front of the front Kishirube light plate, opposite to the opening of the light guide plate A transparent transmission part is formed in the part.

The invention according to claim 6 is a gaming machine having a liquid crystal display device and a component provided on the back side of the liquid crystal display device, the component of the light guide plate provided in the liquid crystal display device An opening is formed in a portion facing the first light guide plate, a first slit-like groove formed on the back side of the light guide plate so as to surround the opening, and the display region side of the liquid crystal panel body of the light guide plate and a second slit-shaped groove formed so as to surround the first slit-shaped groove, said first and second slit-shaped groove, the light shielding member that shields the passage of light is fitted It is characterized by being.

  According to a seventh aspect of the present invention, in the gaming machine according to the sixth aspect, the light shielding member inserted into the first slit-shaped groove is formed of a material having a small brightness difference with respect to the opening. It is characterized by being.

  The invention according to claim 8 is the gaming machine according to claim 6 or 7, wherein the light shielding member inserted into the second slit-like groove is a chromatic or achromatic material that does not transmit light. It is formed.

  The invention according to claim 9 is the gaming machine according to any one of claims 6 to 8, wherein the first and second slit-shaped grooves are formed so as to overlap each other in the depth direction. It is characterized by that.

  According to a tenth aspect of the present invention, in the gaming machine according to any one of the sixth to ninth aspects, light from the outside is incident on the back surface of the light guide member with respect to the second slit-shaped groove. A light-shielding film for prevention is formed.

  According to the gaming machine of the present invention, the light incident on the light guide plate is blocked from passing to the opening side by the slit-like groove, and the leakage of light from the opening to the back side is prevented. For this reason, it is possible to prevent unnecessary illuminating of the components provided on the back side of the liquid crystal display device, and the components can be clearly seen through the liquid crystal display device.

  According to the second aspect of the present invention, the slit-shaped groove is a continuous groove having a sawtooth or triangular wave shape, so that light incident on the light guide plate can be side walls of the slit-shaped groove having the sawtooth or triangular wave shape. By blocking the light from the opening, the passage to the opening side is blocked, and light leakage from the opening to the back side is prevented. For this reason, it is possible to prevent unnecessary illuminating of the components provided on the back side of the liquid crystal display device, and the components can be clearly seen through the liquid crystal display device.

  According to the invention described in claim 3, by making a structure in which a light shielding member formed of a material that absorbs or reflects light is inserted into the slit-like groove, the passage to the opening side is blocked, Prevents light leakage from the opening to the back side. For this reason, it is possible to prevent unnecessary illuminating of the components provided on the back side of the liquid crystal display device, and the components can be clearly seen through the liquid crystal display device.

  According to the fourth aspect of the present invention, the slit-shaped groove is filled with a resin that absorbs or reflects light, thereby blocking passage to the opening side, and light from the opening to the back side. Prevent leakage. For this reason, it is possible to prevent unnecessary illuminating of the components provided on the back side of the liquid crystal display device, and the components can be clearly seen through the liquid crystal display device.

According to the fifth aspect of the present invention, the liquid crystal panel main body provided in front of the light guide plate has a structure in which a transparent transmission portion is provided in a portion facing the opening of the light guide plate . The components provided on the back side can be clearly seen through the transmission part.

  According to the sixth aspect of the present invention, the light incident on the light guide plate is blocked from passing to the opening side by the slit-like groove, and leakage of light from the opening to the back side is prevented. For this reason, it is possible to prevent unnecessary illuminating of the components provided on the back side of the liquid crystal display device, and the components can be clearly seen through the liquid crystal display device.

  According to the seventh aspect of the present invention, the light shielding member that is inserted into the first slit-shaped groove is formed of a material having a small brightness difference with respect to the opening, so that the opening and the first slit-shaped groove are formed. High-quality display can be realized without causing so-called fringe-like stripes at the boundary between the two.

  According to the eighth aspect of the present invention, the light shielding member that is inserted into the second slit-shaped groove is formed of a chromatic or achromatic material that does not transmit light, thereby preventing light from entering from the outside. can do.

  According to the ninth aspect of the present invention, the first and second slit-shaped grooves are formed so as to overlap each other in the depth direction, and the light shielding member is inserted into each slit-shaped groove. Preventing the incidence of light from the outside by a light-shielding member inserted into the second slit-shaped groove without causing a so-called fringe-like stripe at the boundary between the first slit-shaped groove and the first slit-shaped groove Can do.

  According to the invention described in claim 10, it is possible to prevent the incidence of light from the outside by the light shielding film.

  Hereinafter, as an embodiment according to the gaming machine of the present invention, a slot machine installed in a game hall or the like will be described with reference to FIGS.

  FIG. 1 is a perspective view showing the external structure of the slot machine of the present embodiment, and FIG. 2 is a rear view showing the internal structure of the slot machine. 3 to 7 are views showing the structure of the display panel unit provided in the slot machine. FIG. 8 is a diagram showing the structure of a modified example (first modified example) related to the display panel unit, and FIGS. 9 to 11 show the structure of another modified example (second modified example) related to the display panel unit. FIG.

  First, the overall structure of the slot machine 1 according to this embodiment will be described with reference to FIGS. 1 and 2. The slot machine 1 is attached to a housing 2 and a front end portion of the housing 2 so as to be freely opened and closed. And a front door 3 facing the player.

  As shown in FIG. 1, the front door 3 is provided with an operation panel portion 4 at a substantially central portion, so that a front panel portion 5 is disposed above the operation panel portion 4 and game medals are paid out below the operation panel portion 4. The medal tray 6 is provided.

  The operation panel portion 4 is provided with a bet button 4a, a medal insertion portion 4b, a start lever 4c, and three stop buttons 4d.

  A gaming state display unit 7 is further provided above the front panel unit 5 for displaying the number of credits, the number of bets (BET), the payout status of medals, and the like.

  A protective plate 5a made of a rectangular transparent plastic plate that protects substantially the entire front panel portion 5 from the outside is assembled to the front panel portion 5, and the size of the protective plate 5a is set on the back side of the protective plate 5a. A transmissive liquid crystal display panel LCD as a liquid crystal display device to be described later having a display area having substantially the same large area is assembled, and the display area of the liquid crystal panel LCD faces the player side through the protective plate 5a.

  Further, although details will be described later, the player can see the spinning reel device 17 provided on the back side through the transmission region 5b provided in the substantially central portion of the protective plate 5a. ing.

  As shown in FIG. 2, a bucket-shaped display panel unit 8 provided with a liquid crystal display panel LCD is attached to the back side of the front door 3 so as to face the protective plate 5a. Below, a medal selector 9, a flow chute 10, a payout medal guide unit 11, and production speakers 12a and 12b are attached.

  Here, the display panel unit 8 is formed with a rectangular opening 13 facing the above-described transmission region 5b from the back side, and the display region of the liquid crystal display panel LCD faces the protective plate 5a side. Thus, the liquid crystal display panel LCD is provided for the display panel unit 8.

  Further, a predetermined portion of the display panel unit 8 includes a cold cathode tube 14 for illuminating the outer peripheral surfaces of the spinning reels 17a, 17b, and 17c, an inverter circuit board 15 for driving the cold cathode tube 14, and a main control board. A sub-control board 16 is provided that supplies image data to the gaming state display unit 7 and the liquid crystal display panel LCD of FIG.

  In the housing 2, a spinning reel device 17 having three horizontal rows of spinning reels 17a, 17b, and 17c is provided. Above the spinning reel device 17, control of game progress and effect display is included. A main control board 18 for controlling the entire operation of the slot machine 1 is provided, and a medal hopper 19, an overflow tank 20, and a power supply device 21 are provided below the spinning reel device 17.

  In addition, a medal output hole 19a for outputting a medal to the payout medal guide portion 11 side is provided at a side end portion of the medal hopper 19, and lock receivers 2a and 2b that engage with the front door 3 at the front end portion of the housing 2. Is provided.

  The rotating reel device 17 is aligned so that the three horizontal rotating reels 17a, 17b, and 17c face the opening holes 13 of the display panel unit 8 when the front door 3 is closed to the housing 2 side. Are mounted in the housing 2.

  The main control board 18 is connected to a sub control board 16, a medal selector 9, a medal hopper 19, a power supply device 21, a bet button 4a provided on the operation panel unit 4 and a medal insertion unit 4b via a wiring cable (not shown). Are electrically connected to the start lever 4c and the stop button 4d, respectively.

  Next, the structure of the display panel unit 8 having the liquid crystal display panel LCD attached to the back side of the front door 3 will be described with reference to FIGS.

  3 is an exploded perspective view showing the structure of the display panel unit 8 when viewed from the display area side of the liquid crystal display panel LCD, and FIG. 4 is an exploded perspective view when the structure of the display panel unit 8 is viewed from the back side. FIG. In FIG. 4, for convenience, the liquid crystal display panel LCD is omitted.

  In FIG. 3, the display panel unit 8 includes a rectangular support frame 22 molded of hard plastic, a liquid crystal display panel LCD fixed to the front end portion of the support frame 22 by screws or the like, and an upper end portion of the support frame 22. And a sub-control board 16 that is detachably attached thereto.

  A concave storage chamber 23 having an inclined surface inclined to the back side is integrally formed on the upper portion of the support frame 22, and a drive circuit board 24 for driving the liquid crystal display panel LCD is stored in the storage chamber 23. In addition, the liquid crystal display panel LCD and the drive circuit board 24 are connected via a wiring cable (not shown), and the drive circuit board 24 and the sub control board 16 are connected.

  A rectangular support frame 25 made of hard plastic to which a protective plate 5a is attached is firmly fixed to the back surface of the front panel portion 5 shown in FIG. 1 by screwing or the like. Further, the engagement protrusions 25a and 25b integrally formed on the upper portion of the support frame 25 and the engagement grooves 22a and 22b formed on the support frame 22 are engaged, and further, the lower end portion of the support frame 22 and the support frame 22 are supported. The support frame 22 including the liquid crystal display panel LCD is detachably fixed to the back side of the support frame 25 by being screwed and fixed to the lower end portion of the frame 25.

  That is, the engaging protrusions 25a and 25b and the engaging grooves 22a and 22b are detachable hinge structures, the engaging grooves 22a and 22b are fitted into the engaging protrusions 25a and 25b, and the lower end of the support frame 22 is further fitted. The display panel unit 8 is fixed in a state where it is hung on the support frame 22 by screwing and fixing the lower part of the support frame 25 and the lower end of the support frame 25.

  Further, the support frame 25 has a rectangular opening 25c that is substantially the same size as the display area of the liquid crystal display panel LCD, and the display area DSP of the liquid crystal display panel LCD is placed on the protective plate 5a side through the opening 25c. Opposite and face the player side.

  Furthermore, the rectangular opening hole 13 shown in FIG. 2 is formed in the support frame 22. That is, to describe the structure of the opening hole 13 with reference to FIG. 4, the support frame 22 is integrated with the rectangular first frame 22a to which the liquid crystal display panel LCD is fixed and the back surface of the first frame 22a. A rectangular opening 13a formed in the first frame 22a by integrally assembling the first frame 22a and the second frame 22b. And an opening hole 13 in which the rectangular opening 13b formed in the second frame 22b communicates.

  In addition, brackets (connecting members) 26a and 26b are fixed to the upper portion of the second frame 22b, and the sub-control board 16 is detachably mounted on the brackets 26a and 26b, and further, the second frame 22b. The cathode tube 14 and the inverter circuit board 15 are attached to the back surface above the opening 13b.

  Next, the structure of the liquid crystal display panel LCD will be described with reference to FIGS.

  5 is an exploded perspective view of the liquid crystal display panel LCD, FIG. 6A is a diagram schematically showing a longitudinal sectional structure of the liquid crystal display panel LCD, and FIG. 6B is provided in the liquid crystal display panel LCD. FIG. 7A, FIG. 7B, and FIG. 7C are diagrams showing the structure of a light guide plate provided in the liquid crystal display panel LCD.

  In FIG. 5, the liquid crystal display panel LCD includes a rectangular front frame 27 facing the player side and a rear frame 28 on the back side, and the front frame 27 and the rear frame 28 are combined to form a liquid crystal display panel LCD. The housing is configured.

  The front frame 27 is formed with a rectangular opening 27a that is substantially the same shape as the display area, and serves as a light source for making backlight light incident on the light guide plate 35 on the upper inner wall and the lower inner wall of the opening 27a. Cathode tubes PL1 and PL2 are provided.

  The rear frame 28 is formed with a rectangular opening 28a of substantially the same size facing the opening hole 13 formed in the support frame 22, and is a colorless and transparent protective sheet (thin plastic sheet) that seals the opening 28a. 29 is bonded to the back surface of the rear frame 28.

  Further, as shown in FIG. 5 and FIG. 6A, in the above-mentioned casing in which the front frame 27 and the rear frame 28 are combined, the liquid crystal panel body 30 and the transparent ultraviolet ray cut off are sequentially arranged from the front frame 27 side. Sheet (UV cut sheet) 31, first light diffusion sheet 32, lens sheet 33, second light diffusion sheet 34, light guide plate 35 made of hard plastic, translucent first and second reflection sheets 36 and 37 These components 30, 31, 32, 33, 34, 35, 36, and 37 are all formed in substantially the same rectangular shape as the front frame 27 and the rear frame 28.

  Here, the liquid crystal panel main body 30 is provided with a rectangular frame body 40 of substantially the same size facing the opening hole 13 formed in the support frame 22 and the opening 28a formed in the rear frame 28, A rectangular transmissive portion SPC defined by the frame body 40 is a transparent region.

  Further, the above-described support frame is included in the ultraviolet cut sheet 31, the first light diffusion sheet 32, the lens sheet 33, the second light diffusion sheet 34, the light guide plate 35, and the first and second reflection sheets 36 and 37. The rectangular openings 31a, 32a, 33a, 34a, 35a, 36a, and 37a having substantially the same size are formed so as to face the opening hole 13 of 22 and the opening 28a of the rear frame 28 and the transmission portion SPC of the liquid crystal panel body 30. Yes.

  As shown in the schematic cross-sectional view of FIG. 6B, the liquid crystal panel body 30 is sealed by filling a liquid crystal 39 between a pair of transparent glass substrates 38a and 38b facing forward and facing each other. A transparent electrode group (not shown) made of three primary color filters (not shown) and ITO (Indium Tin Oxide) is formed on the surface of the transparent glass substrate 38a on the liquid crystal 39 side. A transparent electrode group (not shown) as a common electrode is formed on the surface.

  Then, a drive signal for image formation is applied from the drive circuit board 24 between the transparent electrode group formed on the transparent glass substrate 38 a and the transparent electrode group formed on the transparent glass substrate 38 b, and the liquid crystal 39 is filled with the drive signal. An effect image is formed by the electro-optical effect that occurs.

  Further, it should be noted that the frame body 40 having the rectangular opening described above is provided between the pair of transparent glass substrates 38a and 38b. The rectangular transmissive portion SPC defined by the inner wall of the frame 40 and the transparent glass substrates 38a and 38b is not filled with liquid crystal, and the outer wall of the frame 40 and the transparent glass substrates 38a and 38b are not filled. Liquid crystal 39 is filled in the outer region defined by

  Therefore, when a drive signal for image formation is applied from the drive circuit board 24 between the transparent electrode group formed on the transparent glass substrate 38a and the transparent electrode group formed on the transparent glass substrate 38b, An effect image is formed in the outer region filled with the liquid crystal 39, and the effect image is not formed in the transmissive portion SPC not filled with the liquid crystal regardless of whether or not a drive signal is applied. It becomes the state of.

  Further, as shown in the rear view of FIG. 7A, the light guide plate 35 is formed with the above-described opening 35a, and the plate surface around the opening 35a has a rectangular shape from the back side. A rectangular frame formed with a plastic material that absorbs or reflects light as shown in the perspective view of FIG. 7B, in which a slit groove 35b having a shape is formed. A light shielding member 41 made of a body is inserted.

  That is, in the slit groove 35b formed on the back side of the light guide plate 35 so as to surround the opening 35a, as shown in FIG. Similarly, a rectangular light shielding member 41 is inserted from the back side. When light emitted from the cathode tubes PL1 and PL2 is incident on the inside from the outer end of the light guide plate 35, the light propagates in the light guide plate 35. However, it is prevented from leaking from the opening 35a to the back side by being absorbed or reflected by the light shielding member 41.

  Then, as shown in FIG. 6A, the opening 28a formed in the rear frame 28 and the opening hole 13 formed in the support frame 22 face each other so that the liquid crystal display panel LCD is on the support frame 22 side. It is fixed to. Further, the support frame 22 is fixed to the back surface of the front panel unit 5 with the display area of the liquid crystal display panel LCD facing the protective plate 5a, and the support frame 22 is attached in front of the spinning reels 17a, 17b, and 17c. It has been.

  As described above, when the support frame 22 is attached to the back surface of the front panel unit 5, the rotating reels 17 a, 17 b, and 17 c face the opening holes 13 of the support frame 22 when the front door 3 is closed to the housing 2 side. To do. Furthermore, the opening 28a of the rear frame 28 facing the opening hole 13, the openings 36a and 37a of the first and second reflection sheets 36 and 37, the opening 35a of the light guide plate 35, and the opening of the second light diffusion sheet 34. 34a, the opening 33a of the lens sheet 33, the opening 32a of the first light diffusion sheet 32, and the rectangular transmissive portion SPC of the liquid crystal display panel body 30 are provided at a substantially central portion of the protective plate 5a. Region 5b is configured.

  For this reason, the player moves the reel reels 17a, 17b, 17c of the reel reel device 17 located on the back side of the liquid crystal display panel LCD and the reels 17a, 17b, 17c through the transmission area 5b. It is possible to clearly see the pattern drawn on the outer peripheral surface of.

  As described above, according to the gaming machine 1 of the present embodiment, the liquid crystal display panel LCD is provided on the back side of the front panel unit 5, and the rotating reel device 17 is rotated on the back side of the liquid crystal display panel LCD. Even if the reels 17a, 17b, and 17c are arranged, the liquid crystal display panel LCD has the above-described transmission portion SPC and the openings 31a, 32a, 33a, 34a, 35a, 36a, 36a facing the rotating reels 17a, 17b, and 17c. 37a is provided, the movement of the spinning reels 17a, 17b, and 17c through the transmission region 5b constituted by these transmission portions SPC and the openings 31a, 32a, 33a, 34a, 35a, 36a, and 37a. In addition, the symbols drawn on the reel reels 17a, 17b and 17c can be clearly seen by the player.

  In addition, first and second reflection sheets 36 and 37 for reflecting the light incident on the light guide plate 35 from the cathode tubes PL1 and PL2 to the liquid crystal panel body DV side and irradiating the back surface are provided on the back side of the light guide plate 35. Furthermore, since the openings 36a and 37a are formed in the first and second reflection sheets 36 and 37, the liquid crystal display panel LCD performs various presentation displays that provide a sense of reality in the display area other than the transmission area 5b. At the same time, the movement of the spinning reels 17a, 17b, and 17c and the symbols drawn on the spinning reels 17a, 17b, and 17c can be clearly seen.

  In addition, a rectangular slit groove 35b is formed on the back side of the light guide plate 35 so as to surround the opening 35a, and a rectangular light shielding member 41 is further inserted into the slit groove 35b, so that the cathode tube PL1. , Light incident on the light guide plate 35 from PL2 is absorbed or reflected by the light shielding member 41 so that it does not leak from the opening 35a to the back side. Therefore, light from the cathode tubes PL1 and PL2 does not unnecessarily irradiate the outer peripheral surfaces of the spinning reels 17a, 17b, and 17c, and the movement of the spinning reels 17a, 17b, and 17c and the spinning reels 17a, 17b, The pattern drawn on 17c can be clearly recognized.

  In the liquid crystal display panel LCD described above, the light shielding member 41 is inserted into the slit groove 35b formed in the light guide plate 35, so that the light to the rotating reels 17a, 17b, and 17c is transmitted. Although the structure prevents leakage, light leakage may be prevented by another structure.

  For example, as a first modification of the present embodiment, the structure of the light guide plate 35 may be the structure shown in FIG. That is, FIG. 8 is a rear view showing another structure of the light guide plate 35. In FIG. 8, the slit grooves 35c formed on the back side of the light guide plate 35 are connected to the light guide plate 35 from the cathode tubes PL1 and PL2. Are formed in a fine uneven shape such as a sawtooth shape or a triangular tooth shape that is inclined with respect to the traveling direction of light incident on the light source, and is continuously formed in an uneven shape so as to surround the opening 35a.

  According to such a structure, the light incident on the light guide plate 35 from the cathode tubes PL1 and PL2 is reflected by the concave and convex side surfaces such as the sawtooth shape and the triangular tooth shape formed in the slit groove 35c and enters the light guide plate 35. Since it returns, it is possible to prevent light from leaking from the opening 35a to the back side, and the movement of the spinning reels 17a, 17b, 17c and the symbols drawn on the spinning reels 17a, 17b, 17c are clearly visible. Can be made.

  In addition, it is good also as a structure which inserts the light-shielding member which reflects or absorbs light in the continuous slit groove | channel 35c of saw shape or a triangle shape.

  Further, by filling the slit grooves 35b and 35c with a curable resin that absorbs light (for example, an ultraviolet curable resin that absorbs light), light is prevented from leaking to the back side of the light guide plate 35. It is good also as a structure.

  In addition, the light shielding member 41 inserted into the slit groove 35b is integrally formed of a plastic resin mixed with metal powder such as aluminum or a metal thin film, thereby reflecting light incident on the light guide plate 35 from the cathode tubes PL1 and PL2. It is also possible to prevent light leakage from the opening 35a.

  Further, by appropriately adjusting the mixing ratio of the above-described metal powder such as aluminum or the metal thin film and the plastic resin, a light shielding member 41 that slightly transmits light is formed, and the light shielding member 41 is inserted into the slit groove 35b. It is good also as a structure to do. According to such a structure, light incident on the light guide plate 35 from the cathode tubes PL1 and PL2 slightly leaks to the rotating reels 17a, 17b, and 17c, but the outer peripheral surfaces of the rotating reels 17a, 17b, and 17c By appropriately adjusting the above-mentioned mixing ratio so that the leakage light does not illuminate with high illuminance, the leakage light can be effectively used as illumination light for illuminating the reels 17a, 17b, and 17c. is there.

  Furthermore, as a second modification of the present embodiment, the structure of the light guide plate 35 may be the structure shown in FIGS. 9 to 11, and the structure will be described below.

  9A is a rear view showing the structure of the light guide plate 35 according to the second modification, FIG. 9B is a perspective view schematically showing the assembly structure of the light shielding member, and FIG. FIG. 11 is a cross-sectional view showing the cross-sectional structure of the light guide plate 35.

  In FIG. 9A, a rectangular (in the present modification, rectangular) slit groove 35bb having a predetermined depth and width is formed on the back surface of the light guide plate 35, and the light guide plate 35. A rectangular (in this modification, rectangular) slit groove 35bf having a predetermined depth and width is formed on the plate surface on the display area side.

Here, a slit groove (hereinafter referred to as “display area side slit groove”) 35b f formed on the plate surface on the display area side, and a slit groove (hereinafter referred to as “rear side slit) formed on the plate surface on the back side. referred to as groove ") 35Bb is formed in parallel to each other, the display area side slit groove 35b f are formed so as to surround the rear side slit groove 35Bb. Further, the four sides of the back side slit groove 35bb are matched to the outer circumference of the transmission region 5b of the display panel unit 8 shown in FIG.

  Then, as schematically shown in FIG. 9B, the light shielding members FU, FD, FL, and FR are fitted into the groove portions on the four sides of the display area side slit groove 35bf, and the back side slit groove 35bb has 4 The light shielding members BU, BD, BL, and BR are inserted into the side grooves.

  Here, the light shielding members FU and FD inserted into the display area side slit groove 35bf are parallel and equal to the vertical position of the display area side slit groove 35bf, as shown in the plan views of FIGS. The upper and lower grooves formed by the length are formed by plate members whose dimensions are adjusted to the length FLL, the width W, and the depth H. Further, similarly, as shown in the plan views of FIGS. 10C and 10D, the light shielding members FL and FR are formed on the left side and the right side which are formed in parallel lengths equal to the left and right positions of the display region side slit groove 35bf. The groove portion is formed of a plate member having a dimension adjusted to the length FLS, the width W, and the depth H.

  As shown in the plan views of FIGS. 10 (e) and 10 (f), the light shielding members BU and BD that are inserted into the back side slit groove 35bb are formed in parallel and equal to the vertical position of the back side slit groove 35bb. The upper and lower groove portions are formed by plate members that are dimensionally matched to the length BLL, width W, and depth H. Further, similarly, as shown in the plan views of FIGS. 10 (g) and 10 (h), the light shielding members BL and BR are formed on the left side and the right side which are formed in parallel lengths equal to the left and right positions of the rear side slit groove 35bb. It is formed by a plate member whose dimensions are matched to the length BLS, width W, and depth H of the groove.

  Note that, as shown in FIGS. 10E and 10G, tapered surfaces curved with a predetermined curvature are formed at both ends of each of the light shielding members BU, BD, BL, and BR.

  Then, as shown in FIG. 11 showing the cross-sectional structure taken along the line B-B in FIG. 9, the light shielding members BL and BR are disposed in the back side slit grooves 35bb formed on the back side of the light guide plate 35. The light shielding members FL and FR are inserted from the display region side into the display region side slit groove 35bf which is inserted from the side and formed on the display region side of the light guide plate 35. Further, although not shown in FIG. 11, the light shielding members BU and BD are inserted from the back side into the back side slit groove 35bb formed on the back side of the light guide plate 35, and the display area of the light guide plate 35 is displayed. The light shielding members FU and FD are inserted from the display area side into the display area side slit groove 35bf formed on the side.

  As shown in FIG. 9B, the light shielding members FL, FR, FU, and FD and the light shielding members BL, BR, BU, and BD are thus inserted into the slit grooves 35bf and 35bb. It has been. Furthermore, the light shielding members BL, BR, BU, and BD are assembled with the curved tapered surfaces formed at both ends thereof on the outside.

  It should be noted here that, as shown in FIG. 11, the rectangular inner region defined by the rear slit groove 35bb is a transparent opening 35a, and the light guide plate in the outer region of the rear slit groove 35bb. On the back surface of 35, a light-shielding film SD for shielding incident light from the outside is coated. That is, the opening 35a is not formed as a rectangular hole, but is formed by a transparent region that is defined by the back-side slit groove 35bb and is not coated with the light shielding film SD.

  Further, the light shielding members FL, FR, FU, and FD are formed of a plastic material such as chromatic or achromatic color (black in this modification) that does not transmit light, and the light shielding members BL, BR, BU. , BD is formed of a plastic material such as chromatic or achromatic color (white or milky white in this modification) having a small light transmittance and a small difference in brightness with respect to the opening 35a.

Furthermore, as shown in FIG. 11, the rear side slit groove 35bb and Viewing area side slit groove 35bf overlap in the depth direction.

  The light guide plate 35 having such a structure exhibits the following effects.

First, as shown in FIG. 11, the coated light tight film SD formation region on the back side of the light guide plate 35, the display area side slit groove 35bb is formed, does not transmit light in the slit groove 35bb Since the light shielding members BL, BR, BU, and BD such as black are inserted and assembled, only the rotating reels 17a, 17b, and 17c are displayed without displaying the inside of the casing except the rotating reels 17a, 17b, and 17c. Can be displayed on the transmission region 5b side of the display panel unit 8 through the opening 35a.

  Further, in the rear side slit groove 35bb, a white or milky white light shielding member BL, BR, BU, BD having a small light transmittance and a small brightness difference with respect to the opening 35a is inserted. When viewed from the transmission region 5b side of the display panel unit 8, so-called fringe-like stripes are not visible at the boundary portions between the openings 35a and the light shielding members BL, BR, BU, and BD. That is, since the light shielding members BL, BR, BU, and BD are white or milky white having a small light transmittance and a small brightness difference with respect to the opening 35a, the boundary between the opening 35a and the light shielding members BL, BR, BU, and BD. The visibility of the portion can be reduced, and the above-mentioned stripes are not visible. For this reason, the reel reels 17a, 17b, and 17c can be displayed through the opening 35a without causing the above-described stripes in the image displayed on the liquid crystal panel main body 30. A display without a sense of incongruity can be performed.

  Furthermore, as shown in FIG. 11, the display area side slit groove 35bf and the back side slit groove 35bb are formed so as to overlap in the depth direction, and the light shielding members FL, FR, Since the FU and FD and the light shielding members BL, BR, BU, and BD are fitted and located in the light shielding members FL, FR, FU, and FD in the region of the light shielding film SD, the black light shielding members FL, FR, and Even in the case of FU and FD, black stripes are not seen, and the image displayed on the liquid crystal panel body 30 and the spinning reels 17a, 17b, and 17c can be displayed as so-called continuous images. The effect of being able to realize the display of is exhibited.

  In the second modification described above, the light shielding members FL, FR, FU, and FD and the light shielding members BL, BR, BU, and BD are respectively inserted into the slit grooves 35bf and 35bb. A structure may be adopted in which each slit groove 35bf, 35bb is filled with an ultraviolet effect resin, a thermosetting resin, or the like having the same optical characteristics as those of the light shielding members and solidified.

  In the description of the embodiment including the first and second modified examples described above, the ultraviolet cut sheet 31 of the liquid crystal display panel LCD, the first light diffusion sheet 32, the lens sheet 33, and the second light diffusion. Openings 31a, 32a, 33a, 34a, 35a, 36a, and 37a are formed in the sheet 34 and the first and second reflective sheets 36 and 37. It is not necessary to form openings in the light diffusion sheet 32, the lens sheet 33, the second light diffusion sheet 34, and the first and second reflection sheets 36 and 37.

  Further, the slot machine has been described as a preferred embodiment, but the present invention is not limited to the slot machine, and is widely applied to liquid crystal display devices and gaming machines having components on the back side of the liquid crystal display device. It is possible to apply.

  The gaming machine according to the present invention is useful for a gaming machine having a structure in which a transmissive liquid crystal display device is arranged facing a player and other components are arranged on the back side of the liquid crystal display device. In particular, the present invention is suitable for realizing a gaming machine that produces an effective effect by making other components visible while performing an effect display with a liquid crystal display device.

It is a perspective view showing the appearance structure of the slot machine according to the embodiment of the present invention. FIG. 2 is a rear view showing the internal structure of the slot machine shown in FIG. FIG. 3 is an exploded perspective view showing a structure of a liquid crystal display unit built in the slot machine shown in FIGS. 1 and 2. FIG. 3 is an exploded perspective view showing a structure when a liquid crystal display unit built in the slot machine shown in FIGS. 1 and 2 is viewed from the back side. It is a disassembled perspective view showing the structure of the liquid crystal display panel attached to the liquid crystal display unit. It is sectional drawing which represented typically the cross-section of the liquid crystal display panel attached to the liquid crystal display unit, and the structure of the liquid crystal panel main body provided in the liquid crystal display panel. The rear view showing the structure of the light guide plate provided in the liquid crystal display panel, the perspective view showing the structure of the light shielding member provided on the light guide plate, and the sectional shape of a part of the light guide plate provided with the light shielding member FIG. It is a rear view showing the structure of the modification of the light-guide plate provided in the display panel unit. It is the figure showing the structure of the modification of the further another light guide plate provided in the display panel unit. FIG. 10 is a plan view showing the shape of a light shielding member fitted into the display area side slit groove 35bf and the back side slit groove 35bb formed in the light guide plate shown in FIG. 9; It is sectional drawing which represented typically the cross-section of the light-guide plate shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Slot machine 17 ... Revolving reel apparatus 35 ... Light guide plate 35a ... Opening 35b, 35c ... Slit groove 41 ... Light-shielding member LCD ... Liquid crystal display panel 35bf ... Display area side slit groove 35bb ... Back side slit groove FU, FD, FL , FR, BU, BD, BL, BR: light shielding member SD: light shielding film

Claims (10)

A gaming machine having a liquid crystal display device and components provided on the back side of the liquid crystal display device,
An opening is formed in a portion of the light guide plate provided in the liquid crystal display device that faces the component, and a slit-like groove that blocks light from passing is formed in the back portion of the light guide plate so as to surround the opening. A gaming machine characterized by that.   The gaming machine according to claim 1, wherein the slit-shaped groove is a continuous groove having a saw-tooth shape or a triangular wave shape.   The gaming machine according to claim 1, wherein a light shielding member made of a material that absorbs or reflects light is fitted in the slit-like groove.   The gaming machine according to claim 1 or 2, wherein the slit-shaped groove is filled with a resin that absorbs or reflects light. Before the liquid crystal panel body provided in front of Kishirube light plate, in a portion opposed to the opening of the light guide plate, any one of the preceding claims, characterized in that transparent transmission portion is formed The gaming machine according to the item. A gaming machine having a liquid crystal display device and components provided on the back side of the liquid crystal display device,
An opening is formed in a portion of the light guide plate provided in the liquid crystal display device facing the component, and a first slit-shaped groove formed on the back side of the light guide plate so as to surround the opening; and a second slit-shaped groove formed so as to surround said first slit-like grooves on the display area side of the liquid crystal panel body of the light guide plate, wherein the first, second slit groove A gaming machine characterized in that a light blocking member for blocking the passage of light is inserted therein.   The gaming machine according to claim 6, wherein the light shielding member inserted into the first slit-shaped groove is formed of a material having a small brightness difference with respect to the opening.   The gaming machine according to claim 6 or 7, wherein the light shielding member inserted into the second slit-shaped groove is formed of a chromatic or achromatic material that does not transmit light.   The gaming machine according to any one of claims 6 to 8, wherein the first and second slit-shaped grooves are formed so as to overlap each other in the depth direction.   10. The light shielding film according to claim 6, wherein a light-shielding film that prevents light from the outside from entering is formed on a back surface of the light guide member with respect to the second slit-shaped groove. 11. Game machines.

Images