JP4622581B2 - Liquid crystal display device - Google Patents

Description

  The present invention relates to a liquid crystal display device, and in particular, in an amusement liquid crystal display device, a liquid crystal shutter and a light guide plate are arranged on the back of the liquid crystal panel to display decorations and game contents, and a reflective sheet is arranged on the back of the light guide plate. In addition, a lamp set is arranged opposite to the end face of the light guide plate, and a display object (for example, a picture or the like) by a rotating display body arranged behind the reflection sheet is visible from the surface side of the liquid crystal panel The present invention relates to a liquid crystal display device in which an opening is provided in the light guide plate and the reflection sheet.

  As a conventional liquid crystal display device for amusement, for example, there are those used for a revolving type game machine (so-called pachislot machine), a pachinko machine, an arrangement ball game machine, a sparrow ball game machine, a video slot game machine, and the like. When a specific display is made on the game result display unit and the game result display unit for displaying the game result, it has a function of converting and controlling the game state to a state advantageous to the player.

  An example of such a conventional rotary gaming machine will be described with reference to FIGS. 10 and 11 (see Patent Document 1 below). 10 is an external perspective view of a conventional rotary gaming machine 100, and FIG. 11 is a longitudinal sectional view showing the positional relationship between the rotary display 102, the liquid crystal display device 116, and the liquid crystal shutter 112. The rotary gaming machine 100 has three display windows 103a to 103c facing the surfaces of the three rotary display bodies 102a to 102c disposed in the casing 101 at substantially the upper center of the front surface of the casing 101. Are provided side by side.

  Below each display window, a game medal slot 104, a bet switch 105 for inserting game medals, a stored medal clearing switch 106 for paying out credited game medals, and rotation display bodies 102a to 102c are rotated. A start switch 107 for starting all at once and stop switches 108a to 108c for individually stopping the rotation of the rotation display bodies 102a to 102c are provided.

  The game result display unit of the rotary gaming machine 100 includes a first display unit including three rotating display bodies 102a to 102c and a second display including a liquid crystal display device 116 disposed in front of the first display unit. And a third display unit comprising a liquid crystal shutter 112 disposed between the first display unit and the second display unit. The second display means has a transmissive display portion (not shown) and allows the display of the first display means to be transmitted, and the third display means shields or transmits the display of the first display means. Display shielding portions 113a to 113c are provided.

  The gaming machine 100 also includes conversion control means for converting the display shielding portions 113a to 113c into either a state where the display of the first display means is shielded or a state where the display of the first display means is transmitted. .

  Among these, three backlights 117a to 117c for illuminating the rotary display bodies are arranged inside the rotary display bodies 102a to 102c, and a liquid crystal display is provided on the front side of the rotary display bodies 102a to 102c. Front illumination devices 118a and 118b for illuminating the device 116 and the liquid crystal shutter 112 from the rear side and illuminating the rotary display from the front side are arranged.

  In addition, the liquid crystal display device 116 includes a display opening through which the rotary display bodies 102a to 102c can be observed through the front surface. The liquid crystal display device 116 can display the effect image on the entire screen including the transmissive display portion and the non-transmissive region.

  The liquid crystal shutter 112 includes display shielding portions 113 a to 113 c provided at positions corresponding to the transmissive display portion of the liquid crystal display device 116. When the liquid crystal shutter 112 is turned off, all the light from the backlights 117a to 117c and the front illumination devices 118a and 118b is blocked by the display shielding portions 113a to 113c, so that the player can pass through the transmissive display portion of the liquid crystal display device 116. The display object (for example, a picture etc.) by the rotary display bodies 102a to 102c as the first display means cannot be visually recognized.

  On the other hand, when the liquid crystal shutter 112 is turned on, the backlights 117a to 117c and the front illumination devices 118a and 118b are all transmitted through the display shielding portions 113a to 113c, so that the player can display the liquid crystal display device 116. Through the opening, a display object (for example, a picture or the like) by the rotary display bodies 102a to 102c, which is the first display means that is transparently displayed, can be visually recognized. The on / off state of the liquid crystal shutter 112 is controlled by the control device according to the state of the gaming machine and can be switched.

When the player inserts a coin and starts the game, the display-type shielding units 113a to 113c are opened, and the rotary display bodies 102a to 102c are displayed from the front of the liquid crystal panel 116. Things (such as pictures) become visible. At the same time, various displays such as decoration are displayed on the liquid crystal panel 116. Thereafter, the player rotates the rotary display bodies 102a to 102c to monitor a display object (for example, a picture or the like) that changes at high speed from the display windows 103a to 103c, and performs a stop operation for one of them. To stop the rotation of the rotary display 102a. The other rotating display bodies 102b and 102c are stopped in the following order, and the game is operated with the goal of displaying a desired display object (for example, a picture or the like) in each of the display windows 103a to 103c. .
JP 2004-283548 A

  By the way, in such a conventional liquid crystal display device for amusement, a circuit board on which a controller IC for controlling an IC for driving a liquid crystal panel and other electronic components are mounted is integrated as a part of the liquid crystal module on the back surface of the light guide plate. It is configured to be incorporated into.

  However, in a liquid crystal display device, a liquid crystal panel, a light guide plate, and the like have a display opening for a display object (for example, a picture or the like) such as a rotating display body. Since the circuit board should not become an obstacle to the display opening, housing of the circuit board becomes a problem.

  That is, when the player looks at the display window, the circuit board provided on the back side of the light guide plate can be seen, or the circuit board on the back side of the display opening of the metal frame obstructs display. Therefore, there is a problem that a relatively large circuit board cannot be arranged despite the fact that the scale of the control circuit is increased due to the complicated functions of the gaming machine. Alternatively, when the circuit board is enlarged, there is a problem in that the size of the transmission part of the liquid crystal panel is limited and the display opening cannot be enlarged.

  As a result of various studies to solve the above-mentioned problems, the present inventor has provided a circuit board support plate arranged perpendicularly to the back surface of the outer frame at the periphery of the outer frame of the liquid crystal display device. The present inventors have found that by supporting the circuit board there, the entire display object (such as a picture) can be seen without being restricted by the size of the circuit board, and the present invention has been completed. It is.

  That is, an object of the present invention is to provide a liquid crystal display device that eliminates the conventional problems and prevents the circuit board from interfering with the display of the display opening.

In order to solve the above problems, in the present invention of claim 1, a liquid crystal panel and a liquid crystal shutter, which are sequentially disposed between the front frame and one surface of the resin frame, the other surface of the resin frame and the fixing plate A light guide plate and a reflective sheet sequentially disposed between the first and second lamp sets disposed on opposite side end surfaces of the light guide plate, and an outer frame disposed behind the fixed plate. The light guide plate, the reflection sheet, the fixing plate, and the outer frame are each provided with a display opening for allowing a display object disposed behind the outer frame to be seen from the surface side of the liquid crystal panel. The liquid crystal shutter includes a first circuit board provided on a circuit board support plate provided perpendicularly to the back side of the peripheral portion of the outer frame , and a stepped portion formed on one surface side of the resin frame. Is disposed on the stepped portion, whereby the liquid crystal panel and the liquid crystal panel are arranged. It provided a predetermined gap between the data.

  According to a second aspect of the present invention, a step is formed on one surface side of the resin frame, and the liquid crystal shutter is disposed on the step to provide a predetermined gap between the liquid crystal panel and the liquid crystal shutter. It was.

  According to a third aspect of the present invention, the fixing plate has a display opening at the center, a bent portion is formed on four sides, and the first lamp set is disposed between one of the bent portions and an end surface of the light guide plate. The second lamp set was fixed between the bent portion of the opposite side and the other end face of the light guide plate.

  In this invention of Claim 4, the standing part was formed in the periphery of the other surface of the said resin frame, and the said standing part was engaged with the bending part formed in the said fixed plate.

  In the present invention of claim 5, a rising portion is formed at the periphery of the other surface of the resin frame, a hole provided in the rising portion, and a hole at a corresponding position of the bent portion formed in the fixing plate, The holes provided in the periphery of the outer frame were joined together with fastening parts and fixed integrally.

  According to a sixth aspect of the present invention, the light guide plate forms an inclined surface extending toward the liquid crystal panel at a position facing the display opening.

  In the present invention of claim 7, the second and third circuit boards connected to the liquid crystal panel are disposed between the peripheral portion and the side portion on one surface side of the outer frame, The second and third circuit boards are electrically connected to the first circuit board supported by the circuit board support plate arranged perpendicularly to the back surface of the outer frame.

  According to the first aspect of the present invention, the liquid crystal display device can fix the first lamp set, the second lamp set, and the light guide plate in the vertical direction with respect to the fixed plate. Two lamp sets are easy to attach and detach. In addition, since the circuit board that obstructs the display opening in the conventional example can be fixed vertically, the player can display a display object (such as a rotating display body) positioned behind the display opening ( (E.g., a picture) can be easily viewed.

  Further, according to the invention according to claim 2 of the present application, since a predetermined gap is provided between the liquid crystal panel and the liquid crystal shutter, there is no light interference between the two, and the moiré phenomenon in the liquid crystal panel is prevented. Can be prevented.

  Further, according to the invention according to claim 3 of the present application, the first and second lamp sets are sandwiched between the bent fixing plate and the end face of the light guide plate, and both are in close contact with each other. Light leakage can be prevented.

  According to the invention of claim 4 of the present application, the fixing plate and the resin frame can be easily fixed.

  Moreover, according to the invention which concerns on Claim 5 of this application, an outer frame, a fixed board, and a resin frame can be assembled easily and firmly.

  Further, according to the invention according to claim 6 of the present application, when the player sees from the oblique direction of the front surface of the liquid crystal panel, it is possible to alleviate eye irritation by blurring strong light on the side wall of the opening. .

  According to the invention of claim 7 of the present application, the rear of the display opening of the outer frame is not disturbed regardless of the presence of the first circuit board. As a result, the player can observe the entire display object (for example, a picture or the like) that is located behind the opening and is displayed by a rotating display body or the like.

  Hereinafter, specific examples of the present invention will be described in detail with reference to examples and drawings.

A liquid crystal display device according to an embodiment of the present invention is shown in FIGS. 1 is a rear perspective view showing configurations of a liquid crystal display unit and a circuit board support unit in an embodiment of the present invention, FIG. 2 is an exploded perspective view showing main components of the liquid crystal display unit of FIG. 1, and FIG. A ₁ -A ₂ cross-sectional side view, FIG. 4 _B 1 -B ₂ cross-sectional side view in FIG. 1, FIG. 5 is _C 1 -C ₂ cross-sectional side view in FIG. 1, FIG. 6 is _D 1 -D ₂ in FIG. 1 7 is a side sectional view taken along the line E ₁ -E ₂ in FIG. 1, FIG. 8 is a side sectional view taken along the line F ₁ -F ₂ in FIG. 1, and FIG. 9 is a state in which the cover of the circuit board support portion in FIG. It is the back perspective view seen from the back side of the liquid crystal display part which shows.

  As shown in the rear perspective view of FIG. 1, the liquid crystal display device I according to the present invention comprises a liquid crystal display part II and a circuit board support part III, and a peripheral part 17 and a side part of the outer frame 9 of the liquid crystal display part II. 18 is provided with second and third circuit boards connected to the liquid crystal panel. The circuit board support part III has the circuit board support part III arranged perpendicularly to the back surface of the outer frame 9 and the second circuit board. And a first circuit board electrically connected to the third circuit board.

  First, main components of the liquid crystal display unit II will be described with reference to FIG. 2 which is an exploded perspective view of the liquid crystal display unit II of FIG. The liquid crystal display unit II includes a liquid crystal panel 2 disposed on the back surface of the front frame 1 having an opening, a liquid crystal shutter 3 disposed on the back surface of the liquid crystal panel 2, and a light guide plate 4 disposed on the back surface of the liquid crystal shutter 3. And a reflection sheet 5 disposed on the back surface of the light guide plate 4. The opposing side end face 4a and the other side end face 4b of the light guide plate 4 are provided with a first lamp set 6a and a second lamp set 6b, which are light sources, facing the end face.

  On the light guide plate 4 and the reflection sheet 5, a display object (for example, a picture or the like) (not shown) such as a rotating display body disposed behind the reflection sheet 5 can be seen from the front side which is the surface of the liquid crystal panel 2. Therefore, a display opening 13 is provided in the center. The light guide plate 4 is placed in the frame-shaped resin frame 8 with the first lamp set 6a and the second lamp set 6b being closely opposed to the side end surfaces 4a and 4b of the light guide plate 4.

  The fixing plate 7 has a display opening 14 formed at the center thereof similar to the light guide plate 4 and the reflection sheet 5, and the bent portion 11 formed around the fixing plate 7 is a frame of the resin frame 8. It fits into the rising part of the groove formed in the inner surface of the wall 12 and the end surface of the frame wall 12.

  The resin frame 8 accommodates the liquid crystal panel 2 and the liquid crystal shutter 3 on the front surface, and accommodates an assembly including the light guide plate 4, the reflection sheet 5, the first and second lamp sets 6a and 6b, and the fixed frame 7 on the rear surface. ing.

  Further, both of the second circuit board 20 and the third circuit board 21 for driving the driver IC, which are attached to the liquid crystal panel 2 via TAB (Tape Automated Bonding), are disposed between the front frame 1 and the outer frame 9. Stored. The outer frame 9 has a display opening 16 at the center, and the side portions 18a to 18d are formed as vertical wall surfaces from the peripheral portions 17a to 17d, respectively, and are arranged and fixed vertically from the peripheral portion 17a to the back surface of the outer frame 9. A circuit board support III is provided.

In FIG. 3, which is a side sectional view of A ₁ -A ₂ in the embodiment of FIG. 1, the liquid crystal display unit II of the liquid crystal display device is a rotation display (not shown) placed behind the liquid crystal panel 2 and the liquid crystal display unit II. A liquid crystal shutter 3 is provided between a display object such as a body (for example, a picture). The liquid crystal shutter 3 can be switched at high speed, and becomes transparent when it is opened (when the applied voltage is on).

  When the liquid crystal shutter 3 becomes transparent, a display object (for example, a picture or the like) projection light source 24 attached to the reflector 23 is lit behind the liquid crystal display unit II. Therefore, a rotating display body disposed on the back surface of the liquid crystal display unit II. Or the like (for example, a picture or the like) can be seen through the display opening 16 of the outer frame 9. At this time, the liquid crystal display at the edge of the liquid crystal panel 2 excluding the display opening 16 is visible to the player from the front of the liquid crystal display section II.

  Further, when the liquid crystal shutter 3 is closed (when the applied voltage is in an off state), the liquid crystal shutter 3 becomes milky white so that a display object (for example, a picture or the like) cannot be seen, and serves as the light guide plate 4. At this time, since the display object (for example, a picture) projection light source 24 is turned on, the light guide plate 4 and the liquid crystal shutter 3 are illuminated. As a result, the player can see a predetermined liquid crystal display at the center and the edge of the liquid crystal panel 2.

  As shown in FIGS. 4 and 5, the liquid crystal shutter 3 is formed between the liquid crystal panel 2 and the liquid crystal shutter 3 by forming the step portion 10 in the resin frame 8 and disposing the liquid crystal shutter 3 on the step portion 10. A predetermined gap G, for example, a gap of 0.4 mm is provided between them. As a result, no light interference occurs between the liquid crystal panel 2 and the liquid crystal shutter 3, and the occurrence of moire phenomenon in the liquid crystal panel 2 can be prevented.

  Further, as shown in FIG. 2, the fixing plate 7 has a display opening 14 formed in the center thereof, and bent portions 11a to 11d formed on four sides. The first lamp set 6a is fixed between the light guide plate 4 and 11a, which is one of these bent portions, and the second lamp set 6b is fixed between the bent portion 11b and the light guide plate 4 on opposite sides. ing. Further, as shown in FIGS. 4 and 5, the first and second lamp sets 6 a and 6 b arranged along the long side of the liquid crystal panel 2 are bent portions 11 a and 6 a of the fixing plate 7 fixed to the resin frame 8. 11b and the end surface of the light guide plate 4 are fixed.

  The reflection plates 6c and 6d of the first and second lamp sets 6a and 6b are sandwiched and fixed between the resin frame 8, the fixing plate 7, and the light guide plate 4. As a result, each lamp set is in close contact with the light guide plate 4 so that light leakage can be prevented, so that the eyestrain of the player can be reduced.

  As shown in the figure, the light guide plate 4 is formed with inclined surfaces 4 c and 4 d that expand toward the liquid crystal panel 2 at positions facing the display opening 13. As a result, since the vertical inner end face of the light guide plate 4 is eliminated, the display opening 13 is less glaring when viewed from an oblique front of the front face, compared to the case where the inclined faces 4c and 4d are not provided. This is preferable because the irritation to the eyes is moderated by the inclined surfaces 4c and 4d and the discomfort is reduced.

  Further, as shown in FIGS. 4 to 7, frame walls 12 a to 12 d are formed on the resin frame 8, and are engaged with bent portions 11 a to 11 d formed on the fixing plate 7, respectively. That is, the long side bent portions 11 a and 11 b of the fixing plate 7 are fitted inside the long side frame walls 12 a and 12 b of the resin frame 8. The short side bent portions 11c and 11d are fitted into rising portions 8f of grooves 8e provided on the upper side of the short side frame walls 12c and 12d of the resin frame 8, whereby the fixing plate 7 is easily fixed to the resin frame 8. Is done.

  As shown in FIG. 2 and the F1-F2 side sectional view of FIG. 8, a display opening 16 is formed in the outer frame 9. The resin frame 8 has a rising portion 8g so as to be positioned outside the peripheral portions 17a and 17b surrounding the display opening portion 16. A fastening part 19 includes a hole provided in a predetermined portion of the outer frame 9, a hole formed in the bent portion 11 e of the fixing plate 7 at a corresponding position, and a hole formed in the rising portion 8 g of the resin frame 8. The liquid crystal display unit II can be easily assembled by coupling and fixing together.

  Both the second circuit board 20 and the third circuit board 21 mounted with the driver IC attached to the liquid crystal panel 2 by the TAB method are accommodated in the front frame 1 and the outer frame 9. The second circuit board 20 is disposed between the wide peripheral portion 17a of the outer frame 9 and the side portion 18a. The third circuit board 21 is disposed between the narrow peripheral portion 17c of the outer frame 9 and the side portion 18c. The back surface of the display opening 16 of the outer frame 9 is covered with a transparent acrylic panel 25 so that dust and the like do not enter the liquid crystal display device (see FIG. 3).

  FIG. 9 is a rear perspective view of the liquid crystal display unit II as viewed from the back side with the cover of the circuit board support unit III removed in the embodiment of the present invention. The outer frame 9 is formed as a vertical wall surface from the peripheral portion 17 to the side portion 18. A corner formed by the wide peripheral portion 17a and the side portion 18a connected to the wide peripheral portion 17a is partially removed to provide a hole 9a.

  A box-shaped circuit board support plate 26 is arranged perpendicularly to the peripheral portion 17a on the back surface of the outer frame 9 along the hole 9a so as to close the hole 9a, and is fixed by a screw 27 to form a circuit board support portion III. Is formed. The box-shaped circuit board support plate 26 is positioned by inserting a fitting portion 26 a provided in the lower portion thereof into a slit 9 b provided in the peripheral portion 17 a from the side surface, and is fixed by a screw 27.

  Inside the outer frame 9, second and third circuit boards 20, 21 connected to the liquid crystal panel 2 are disposed between the peripheral portion 17a and the side portion 18a and between the peripheral portion 17c and the side portion 18c, respectively. 2. From the third circuit boards 20 and 21, flexible wiring boards 28 and 29 connected to the first circuit board 22 are drawn out through the holes 9a.

  The first circuit board 22 for controlling the circuits of the second and third circuit boards 20 and 21 is attached and fixed to the circuit board support plate 26 arranged perpendicularly to the back surface of the outer frame 9. Flexible wiring boards 28 and 29 drawn from the second and third circuit boards 20 and 21 are connected to the supported first circuit board 22. Reference numerals 30 and 31 are connectors mounted on the first circuit board 22. Reference numeral 32 denotes an external connection connector, but other components are not shown.

  In this way, the circuit board support plate 26 is provided perpendicularly to the back surface of the outer frame 9, and the first circuit board 22 is attached to the circuit board support plate 26, so the first circuit board 22 is attached to the outer frame 9. It does not protrude from the back side of the display opening 16. As a result, the player can display the entire display object (for example, a picture or the like) such as a rotating display body positioned on the back side of the display opening 16 without being obstructed by the first circuit board 22 (the liquid crystal display). It can be seen from the panel 2 side.

  The operation of the liquid crystal display device having such a configuration is as follows. When a player inserts coins and starts a game, a gaming machine having such a liquid crystal display device has display openings 13 and 14 on the light guide plate 4, fixed plate 7, and outer frame 9 on the liquid crystal panel 2. An opening is formed by leaving a translucent portion at the same position as 16 and various decorations, game contents, etc. are displayed on the surface other than the opening.

  At the same time, the gaming apparatus rotates the rotary display body behind the outer frame 9 so that the display object (for example, a picture or the like) can be seen from the display opening of the liquid crystal panel 2. A player can enjoy a predetermined game by monitoring a display object (for example, a picture or the like) that moves at a high speed in the display opening while the rotary display is rotated at a high speed.

It is a back perspective view which shows the structure of the liquid crystal display part in the Example of this invention, and a rotation board support part. It is a disassembled perspective view which shows the main components of the liquid crystal display part of FIG. Is _A 1 -A ₂ cross-sectional side view of an embodiment of the present invention. A _B 1 -B ₂ cross-sectional side view of an embodiment of the present invention. A _C 1 -C ₂ cross-sectional side view of an embodiment of the present invention. A _D 1 -D ₂ cross-sectional side view of an embodiment of the present invention. Is _E 1 -E ₂ sectional side view of an embodiment of the present invention. It is _F 1 -F ₂ side sectional view of an embodiment of the present invention. It is the back perspective view seen from the back side of the liquid crystal display part which shows the state where the cover of the circuit board support part in the example of the present invention was removed. It is an external appearance perspective view which shows an example of the conventional rotation type game machine. It is typical explanatory drawing which shows the relationship between the rotation display body in the conventional rotation type game machine, a liquid crystal display device, and a liquid-crystal shutter.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Front frame 2 Liquid crystal panel 3 Liquid crystal shutter 4 Light guide plate 4a, 4b Side end surface 4c, 4d Inclined surface 5 Reflective sheet 6a 1st lamp set 6b 2nd lamp set 7 Fixing plate 8 Resin frame 8e Groove 8f, 8g Standing part 9 Outside Frame 10 Step portion 11, 11a to 11d Bending portion 12, 12a to 12d Frame wall 13 Display opening 14 Display opening 16 Display opening 17a to 17d Peripheral portion 18a to 18d Side portion 19 Fastening component 20 Second Circuit board 21 Third circuit board 22 First circuit board 25 Transparent panel 26 Circuit board support plate 28, 29 Flexible wiring board

Claims (6)

A liquid crystal panel and a liquid crystal shutter sequentially disposed between the front frame and one surface of the resin frame; a light guide plate and a reflective sheet sequentially disposed between the other surface of the resin frame and the fixing plate; First and second lamp sets disposed on opposite side end surfaces of the light guide plate, and an outer frame disposed on the rear side of the fixed plate, the light guide plate, the reflective sheet, the fixed plate and the outer frame, Circuits each provided with a display opening for allowing a display object arranged behind the outer frame to be seen from the surface side of the liquid crystal panel, and vertically provided on the back side of the peripheral portion of the outer frame A first circuit board is provided on the substrate support plate, and a stepped portion that protrudes to the inside of the resin frame is formed on one surface side of the resin frame , and the liquid crystal shutter is disposed on the stepped portion. the thickness of the stepped portion between the and the liquid crystal panel LCD shutter by A liquid crystal display device characterized in that a defined the gap. A liquid crystal panel and a liquid crystal shutter sequentially disposed between the front frame and one surface of the resin frame; a light guide plate and a reflective sheet sequentially disposed between the other surface of the resin frame and the fixing plate; First and second lamp sets disposed on opposite side end surfaces of the light guide plate, and an outer frame disposed on the rear side of the fixed plate, the light guide plate, the reflective sheet, the fixed plate and the outer frame, Circuits each provided with a display opening for allowing a display object arranged behind the outer frame to be seen from the surface side of the liquid crystal panel, and vertically provided on the back side of the peripheral portion of the outer frame A first circuit board is provided on the substrate support plate, and an inclined surface on the surface on the liquid crystal panel side of the light guide plate that reduces the thickness of the light guide plate toward a position facing the display opening. the liquid crystal display device, characterized in that There are formed. The fixing plate has a display opening at the center, a bent portion is formed on four sides, the first lamp set is fixed between one of the bent portions and an end surface of the light guide plate, and the opposite sides are bent. 3. The liquid crystal display device according to claim 1 , wherein the second lamp set is fixed between a first portion and another end face of the light guide plate. The liquid crystal display device according to claim 3 , wherein a rising portion is formed on a peripheral edge of the other surface of the resin frame, and the rising portion is engaged with a bent portion formed on the fixing plate. A rising portion is formed at the periphery of the other surface of the resin frame, a hole provided in the rising portion, a hole at a corresponding position of a bent portion formed in the fixing plate, and a peripheral portion of the outer frame. The liquid crystal display device according to claim 3 , wherein the holes are joined and fixed together by fastening parts. The second and third circuit boards connected to the liquid crystal panel are arranged between the peripheral part and the side part on one surface side of the outer frame, and the second and third circuit boards are 3. The liquid crystal display according to claim 1, wherein the liquid crystal display is electrically connected to the first circuit board supported by the circuit board support plate disposed perpendicularly to the back surface of the outer frame. apparatus.

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