KR20060038130A - Display apparatus for illuminating outside and slot machine including the same - Google Patents

Abstract

Disclosed are a display device capable of external illumination and a slot machine including the same. A display device capable of external illumination includes a display panel assembly including a display panel and a plurality of driving circuits for driving the display panel; And a backlight device disposed on a rear surface of the display panel assembly, and configured to perform a backlight function for supplying power to the display panel assembly and an external illumination function for irradiating light to the outside. In addition, the slot machine having the same, the lever; A plurality of pattern patterns are formed on the outer circumferential surface, each of which rotates according to the operation of the lever and stops after a predetermined time; And a plurality of display windows corresponding to the plurality of cylinders to expose the pattern of each cylinder so as to display various screens and to emit light to the exposed pattern. Therefore, since the backlight device of the display device performs the function of the external lighting device, it is not necessary to install additional lighting.

Description

DISPLAY APPARATUS FOR ILLUMINATING OUTSIDE AND SLOT MACHINE INCLUDING THE SAME}

1 is a front view schematically showing a front surface of a display window panel of a conventional slot machine.

FIG. 2 is a cross-sectional view schematically showing cross sections of I and I 'of FIG. 1.

3 is an exploded perspective view showing the configuration of a liquid crystal display capable of external illumination according to a first preferred embodiment of the present invention.

FIG. 4 is a cross-sectional view illustrating a cross section of the liquid crystal display shown in FIG. 3.

FIG. 5 is a front view schematically illustrating a front surface of a liquid crystal display capable of external illumination according to a second preferred embodiment of the present invention.

FIG. 6 is a cross-sectional view illustrating cross sections II and II ′ of the liquid crystal display shown in FIG. 5.

<Description of the symbols for the main parts of the drawings>

100 display device 110 liquid crystal display panel assembly

120: backlight device 121: optical sheet

122: light guide plate 123: reflector plate

124a: first lamp 124b: second lamp                 

125a: third lamp 125b: fourth lamp

126a, 126b: lamp cover 127: inverter

The present invention relates to a display device capable of performing external illumination using a backlight device and a slot machine having the same.

In general, a liquid crystal display (LCD) applies an electric field by injecting a liquid crystal material between two substrates, and controls an amount of light transmitted through the liquid crystal material to display a desired image by adjusting the intensity of the electric field. As a device having a lower driving voltage than other display devices, power consumption is low, and there is an advantage of light weight and thinness, it is widely used in monitors, notebooks, televisions, and mobile communication terminals.

Since the liquid crystal display for displaying a screen is not a material that emits light by itself, the liquid crystal display device necessarily includes a lighting device, for example, a backlight device, for irradiating light to the liquid crystal material. In this case, the backlight device is generally made of a light guide plate for guiding the light emitted by the light source and the light emitted by the light source to the liquid crystal display panel and evenly radiating the light.

On the other hand, in recent years, as the economy grows and individual lives become more abundant, interest in games has increased. In particular, adult games represented by slot machines, etc., are shifting from the existing bad image of a gambling device to a leisure means that can be simply enjoyed for a change of mood.

The slot machine is a game machine that uses game coins or its substitutes, and depending on the type, when the lever is pulled, several kinds of patterns are displayed on the display window of several places. It has a common point configured to output multiples.

Typically, such a slot machine includes a plurality of cylinders rotatable in accordance with lever operation, and part of the outer peripheral surface of the cylinder is configured to be exposed to the display window. At this time, various designs are formed on the outer circumferential surface of each cylinder. Therefore, when the user operates the lever, the cylinder rotates for a predetermined time and stops. At this time, a few patterns formed on the outer circumferential surface of each cylinder are exposed to the display window to play the game.

On the other hand, the inside of the slot machine is provided with lighting devices on the upper and lower sides, respectively, so that the user can easily identify the pattern of the cylinder exposed by the display window.

1 is a front view schematically showing a front surface of a display window panel of a conventional slot machine, and FIG. 2 is a cross-sectional view schematically showing cross sections of I and I 'of FIG. 1. Referring to FIGS. 1 and 2, FIG. The pattern of the cylinder 20 is exposed through the display window 10 provided in the display window panel 1 of the slot machine, and lamps 50a, respectively, are provided at the top and bottom of the inside of the display window 10 to illuminate the pattern. It can be seen that the lighting device 50 composed of 50b) is installed.                         

In addition, although the display window panel 1 was provided with a simple image panel in the past, in recent years, the display window panel 1 itself is comprised by the liquid crystal display device so that the various video screens which can raise the interest of a game can be displayed.

However, according to such a conventional configuration, since the slot machine includes a liquid crystal display device for displaying a video screen and an internal lighting device 50 for illuminating a pattern displayed by the cylinder 20, An inverter 60 for driving the display window panel 1, that is, the backlight device of the liquid crystal display device, must be provided therein, and a plurality of lamps 50a and 50b for constituting the internal lighting device 50 and the same An inverter 40 substrate for driving the lamps 50a and 50b should be provided.

Therefore, excessive assembly labor and cost increase for installing the inverter 60 of the backlight device, the lamps 50a and 50b constituting the internal lighting device 50 and the inverter 40 occur excessively, and also the substrate placement and Circuit connection also has the problem of becoming complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problem, and a first object of the present invention is to provide a display device capable of external lighting that enables illumination to the outside using a backlight device.

In addition, a second object of the present invention is to provide a slot machine that can perform illumination on a pattern without a separate lamp and inverter by providing a display device capable of such external illumination.

According to another aspect of the present invention, there is provided a display device including an external illumination device including: a display panel assembly including a display panel and a plurality of driving circuits for driving the display panel; And a backlight device disposed on a rear surface of the display panel assembly, and configured to perform a backlight function for supplying power to the display panel assembly and an external illumination function for irradiating light to the outside.

In this case, the backlight device may include an inverter for receiving a DC voltage from the outside and converting the AC voltage into an AC voltage; A display panel lighting lamp unit configured to receive an AC voltage output from the inverter and emit light for irradiating the display panel; An external lighting lamp unit which receives the AC voltage output from the inverter and emits light for external lighting; And a light guide plate having a size comparable to an effective display area of the display panel assembly and guiding light emitted from the display panel illumination lamp unit to be irradiated to the display panel.

The display panel lighting lamp unit includes a first lamp and a second lamp disposed at both ends of the light guide plate, that is, at the top and the bottom of the light guide plate, and the external lighting lamp is disposed outside to correspond to the first lamp. And a fourth lamp disposed outside to correspond to the lamp.

On the other hand, the backlight device includes a lamp cover for mounting the display panel lighting lamp unit on the side of the light guide plate, and the external lighting lamp unit on the external surface; A plurality of optical sheets disposed between the light guide plate and the display panel assembly to equalize the luminance of light emitted to the display panel assembly; And a reflector disposed under the light guide plate to reflect light leaking from the light guide plate to the light guide plate.

In addition, a slot machine having a display device capable of external illumination for achieving the second object of the present invention, the lever; A plurality of pattern patterns are formed on the outer circumferential surface, each of which rotates according to the operation of the lever and stops after a predetermined time; And a plurality of display windows corresponding to the plurality of cylinders to expose the pattern of each cylinder so as to display various screens and to emit light to the exposed pattern.

In this case, the display device may include a display panel assembly including a display panel and a plurality of driving circuits for driving the display panel; And a backlight device disposed at a rear surface of the display panel assembly, and receiving power to irradiate light to the display panel assembly and to irradiate light with the exposed pattern.

The backlight device may include an inverter configured to receive a DC voltage from the outside and convert the DC voltage into an AC voltage; A display panel lighting lamp unit configured to receive an AC voltage output from the inverter and emit light for irradiating the display panel; An external lighting lamp unit which receives an AC voltage output from an inverter and emits light to the exposed pattern; And a light guide plate having a size comparable to an effective display area of the display panel assembly and guiding light emitted from the display panel illumination lamp unit to be irradiated to the display panel.

Hereinafter, with reference to the accompanying drawings, it will be described in detail a preferred embodiment of the present invention.                     

<Example 1>

3 is an exploded perspective view showing the configuration of a liquid crystal display device capable of external illumination according to a first preferred embodiment of the present invention, and FIG. 4 is a cross-sectional view showing a cross section of the liquid crystal display device shown in FIG.

3 and 4, a liquid crystal display device 100 capable of external illumination according to a first exemplary embodiment of the present invention may include a liquid crystal display panel 112 and a driving circuit board for driving the liquid crystal display panel 112. The liquid crystal panel assembly 110 includes a liquid crystal panel assembly 110, and a backlight device 120 disposed on a rear surface of the liquid crystal panel assembly 110 to emit light to the liquid crystal panel assembly 110. The backlight device 120 includes display panel illumination lamp units 124a and 124b, external illumination lamp units 125a and 125b, lamp covers 126a and 126b, an inverter 127, a light guide plate 122, and a plurality of optical sheets. And a reflecting plate 123.

The display panel illumination lamp units 124a and 124b are protected by the lamp covers 126a and 126b and include first and second lamps 124a and 124b disposed at both ends of the light guide plate 122, respectively. In this case, the first lamp 124a and the second lamp 124b generate light by the AC voltage supplied from the inverter 127 and then emit the light to the light guide plate 122.

The external lamp portion 125a and 125b are protected by the lamp covers 126a and 126b and are spaced apart from the outside to correspond to the first lamp 124a so as to perform external lighting. And a fourth lamp 125b spaced apart from the outside so as to correspond to the second lamp 124b. In this case, the third lamp 125a and the fourth lamp 125b generate light by the AC voltage supplied from the inverter 127 and then emit the light to the outside. Accordingly, the external illumination lamp units 125a and 125b may perform external illumination separately from the display panel illumination lamp units 124a and 124b that emit light to the light guide plate 122.

The lamp covers 126a and 126b may include light guide plates such that the display panel illumination lamp units 124a and 124b, that is, the first lamp 124a and the second lamp 124b emit light from the upper and lower ends of the light guide plate 122. The external lighting lamp units 125a and 125b, that is, the third lamp 125a and the fourth lamp 125b may be mounted on the upper and lower ends of the 122, respectively. Settles on each.

The inverter 127 receives a DC voltage from an external power system (not shown), converts the DC voltage into AC voltage, and then supplies the DC voltage to the display panel lighting lamp units 124a and 124b and the internal lighting lamp units 125a and 125b. The first lamp 124a, the second lamp 124b, the third lamp 125a and the fourth lamp 125b are operated.

Meanwhile, in FIGS. 3 and 4, display panel illumination lamp units 124a and 124b are disposed at both ends of the light guide plate 122, and external illumination lamp units 125a and 125b are disposed to correspond to each other. Depending on the implementation environment, it may be possible to configure these as a plurality of lamps.

The light guide plate 122 has a size equivalent to an effective display area of the liquid crystal panel assembly 110 and guides light generated by the display panel illumination lamp units 124a and 124b toward the liquid crystal panel assembly 110.

In this case, a plurality of optical sheets 121 are formed on the light guide plate 122 to make the luminance of light emitted from the light guide plate 122 to the liquid crystal panel assembly 110 uniform, and the reflector plate 123 is the light guide plate 122. It is disposed at the rear portion of the light guide plate 122 to reflect the light leaking from the light guide plate 122 to perform a function to increase the light efficiency.

In the liquid crystal display device 100 capable of external illumination according to the first embodiment as described above, the backlight device 120 provides a separate external illumination function in addition to the conventional backlight illumination function for the operation of the liquid crystal panel assembly 110. Therefore, the display function and the external lighting function can be performed at the same time.

In the following second embodiment, an example in which a liquid crystal display device capable of external illumination is applied to a display window panel of a slot machine will be described.

<Example 2>

5 and 6 are front and cross-sectional views illustrating a liquid crystal display device capable of external illumination according to a second exemplary embodiment of the present invention, showing a case in which the liquid crystal display device is provided as a display window panel of a slot machine.

As shown in FIG. 5, three display windows 201 are formed in the liquid crystal display 200, which is a display window panel, and each of the display windows 201 includes a plurality of patterns formed on the outer circumferential surface of the cylinder 310. One of them is exposed randomly.

A cross section of II-II 'shown in FIG. 5 is shown in FIG. 6.

5 and 6, the liquid crystal display 200 includes a liquid crystal panel assembly 210 and a backlight device 220 disposed on a rear surface of the liquid crystal panel assembly 210. Display panel illumination lamp units 224a and 224b, external illumination lamp units 225a and 225b, lamp covers 226a and 226b, inverters 227, light guide plates 222, a plurality of optical sheets 221 and reflecting plates 223 It consists of

In this case, the light guide plate 222, the plurality of optical sheets 221, and the reflecting plate 223 have through holes 202 corresponding to the number and positions of the cylinders 310 so as to display a pattern formed on the cylinder 310. Is formed. The cylinder 310 rotates according to the operation of the lever 320, and stops after a predetermined time. At this time, the pattern of each cylinder 310 is exposed through the display window 201, and according to the exposed pattern of the game The result will be determined.

Since the liquid crystal display panel 210 is transparent, the display window 201 has a pattern of a cylinder installed therein when the light guide plate 222, the plurality of optical sheets 221, and the reflecting plate 223 are penetrated by the through holes 202. Is exposed. In this case, when one side of the liquid crystal display panel 210 penetrates, the display operation is impossible, and thus the liquid crystal display panel 210 is not penetrated.

The display panel lighting lamp units 224a and 224b are protected by the lamp covers 226a and 226b, and are respectively provided with the fifth lamp 224a and the sixth lamp 224b disposed at both ends of the light guide plate 222, that is, the upper and lower ends. It consists of In this case, the fifth lamp 224a and the sixth lamp 224b generate light by the AC voltage supplied from the inverter 227 and then emit the light to the light guide plate 222.

The external lighting lamp unit 225a is protected by the lamp covers 226a and 226b, and the rear surface of the fifth lamp 224a to illuminate the pattern of the cylinder 310 exposed by the display window 201. And a seventh lamp 225a spaced apart from each other and an eighth lamp 225b spaced apart from the rear surface of the sixth lamp 224b. Therefore, the seventh lamp 225a and the eighth lamp 225b enable illumination of the upper and lower portions of the design pattern, thereby facilitating the identification of the design pattern exposed to the display window 201.

The lamp covers 226a and 226b may include light guide plates such that the display panel illumination lamp units 224a and 224b, that is, the fifth lamp 224a and the sixth lamp 224b, emit light upward and downward to the light guide plate 222. It is mounted on the upper and lower portions of the 222, and the external lighting lamp unit 225a, 225b, i.e., the seventh lamp 225a and the eighth lamp 225b on the upper and lower portions of the pattern to be exposed to the display window 201. In order to emit light, the liquid crystal display may be mounted on the upper and lower parts of the outside of the rear surface of the liquid crystal display 100.

The inverter 227 receives a DC voltage from an external power system (not shown), converts the DC voltage into an AC voltage, and supplies the same to the display panel lighting lamp units 224a and 224b and the internal lighting lamp units 225a and 225b. The fifth lamp 224a, the sixth lamp 224b, the seventh lamp 225a, and the eighth lamp 225b are operated.

The light guide plate 222 has a size comparable to an effective display area of the liquid crystal panel assembly 210 and guides light generated by the display panel illumination lamp units 224a and 224b toward the liquid crystal panel assembly 210. In this case, a plurality of optical sheets 221 are formed on the light guide plate 222 to illuminate the light emitted from the light guide plate 222 to be directed toward the liquid crystal panel assembly 210, and the reflecting plate 223 may be the light guide plate 222. Is disposed on the rear of the, to reflect the light leaking from the light guide plate 222 to the light guide plate 222 performs a function to increase the light efficiency.

According to the configuration of this second embodiment, since the illumination in the pattern is performed by the seventh lamp 225a and the eighth lamp 225b of the external lighting lamp units 225a and 25b, a separate inverter and There is no need to mount a lighting lamp.

Although the present invention has been described above with reference to its preferred embodiments, those skilled in the art will variously modify the present invention without departing from the spirit and scope of the invention as set forth in the claims below. And can be practiced with modification. Accordingly, modifications to future embodiments of the present invention will not depart from the technology of the present invention.

As described above, according to the liquid crystal display device capable of external illumination according to the present invention, since the backlight device performs not only the illumination of the liquid crystal display panel but also the external illumination, the external display function is provided in addition to the basic display function of the liquid crystal display device. do.

Therefore, it can be applied to a device that requires a separate lighting, such as a slot machine, to remove the increase in assembly labor and cost increase due to the installation of the lamp and inverter board for configuring the separate lighting device, etc. Therefore, there is an advantage that can simplify the arrangement and line connection of the substrate.

Claims (15)

A display panel assembly including a display panel and a plurality of driving circuits for driving the display panel; And And a backlight device disposed on a rear surface of the display panel assembly, the backlight device configured to receive power to radiate first light to the display panel assembly and to radiate a second light to the outside. The method of claim 1, wherein the backlight device, An inverter that receives a DC voltage from the outside and converts the AC voltage into an AC voltage; A display panel lighting lamp unit configured to receive an AC voltage output from the inverter and emit first light to be irradiated onto the display panel; An external lighting lamp unit which receives the AC voltage output from the inverter and emits second light for external lighting; And And a light guide plate having a size comparable to an effective display area of the display panel assembly and guiding the first light emitted from the display panel illumination lamp unit to the display panel. 3. The external lighting device of claim 2, wherein the backlight device further comprises a lamp cover seating the display panel lighting lamp unit on a side surface of the light guide plate and mounting the external lighting lamp unit on an outer surface of the light guide plate. Possible display device. The display panel of claim 2, wherein the display panel lighting lamp unit comprises a first lamp and a second lamp disposed at both ends of the light guide plate, and the external lighting lamp is disposed outside the light guide plate to correspond to the first lamp. And a fourth lamp disposed outside the light guide plate so as to correspond to the third lamp and the second lamp. The display device of claim 4, wherein the first lamp and the second lamp are disposed on an upper end and a lower end of the light guide plate, respectively. The display device according to claim 2, wherein a plurality of optical sheets are formed between the light guide plate and the display panel assembly to uniform the luminance of the first light irradiated to the display panel assembly. The display device of claim 2, wherein the backlight device further comprises a reflector disposed under the light guide plate to reflect the first light leaked from the light guide plate to the light guide plate. lever; A plurality of pattern patterns are formed on the outer circumferential surface, each of which rotates according to the operation of the lever and stops after a predetermined time; And And a display device having a plurality of display windows corresponding to the plurality of cylinders so that the pattern of each cylinder is exposed, and outputting light to the exposed pattern. Slot machine. The slot machine according to claim 8, wherein the display device irradiates light to the display panel and the pattern using a single inverter, respectively. The display device of claim 8, wherein the display device comprises: A display panel assembly including a display panel and a plurality of driving circuits for driving the display panel; And And a backlight device disposed on a rear surface of the display panel assembly, the backlight device configured to receive power to irradiate light to the display panel assembly and to radiate light to the exposed pattern. machine. The method of claim 10, wherein the backlight device, An inverter that receives a DC voltage from the outside and converts the AC voltage into an AC voltage; A display panel lighting lamp unit configured to receive an AC voltage output from the inverter and emit light for irradiating the display panel; An external lighting lamp unit which receives the AC voltage output from the inverter and emits light to the exposed pattern; And And a light guide plate having a size comparable to an effective display area of the display panel assembly and guiding light emitted from the display panel illumination lamp unit to be irradiated to the display panel. Slot machines. The display device of claim 11, wherein the display panel illumination lamp unit includes fifth and sixth lamps disposed at both ends of the light guide plate, and the external illumination lamp corresponds to the fifth and sixth lamps, respectively. And a seventh lamp and an eighth lamp disposed outside the rear surface of the slot machine. The display device of claim 12, wherein the fifth and sixth lamps are disposed at upper and lower ends of the light guide plate, and the seventh and eighth lamps are disposed on upper and lower portions of the pattern to be exposed on an outer rear surface of the display device. The slot machine having a display device capable of external illumination, characterized in that arranged to illuminate. 12. The slot machine of claim 11, wherein the backlight device further comprises a lamp cover for mounting the display panel illumination lamp unit and the external illumination lamp unit at a corresponding position. The method of claim 11, wherein the backlight device, A plurality of optical sheets formed between the light guide plate and the display panel assembly to equalize the luminance of light emitted to the display panel assembly; And And a reflector disposed under the light guide plate to reflect light leaking from the light guide plate to the light guide plate.

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