JP2011191683A - Display device - Google Patents

Abstract

Provided is a display device provided with a suitable dustproof spacer for preventing intrusion of dust and the like into a display panel in a structure in which transparent glass is disposed on the front side of the display panel.
A display panel on which an image is displayed, a translucent panel having a peripheral edge part 2a which is bonded to one surface side of the display panel 1 and protrudes from the peripheral edge part 1a of the display panel 1 to the outer peripheral side, and the display panel 1 and a cover 8 covering the other surface side, and a dust-proof spacer 10 that closes the gap between the peripheral edge 2 a of the translucent panel 2 and the peripheral edge of the cover 8 is a peripheral edge of both the translucent panel 2 and the display panel 1. 1a, 2a and the peripheral edge of the cover 8 are provided.
[Selection] Figure 2

Description

  The present invention relates to a display device provided with a dustproof spacer for preventing intrusion of dust and the like into a display panel.

  In a liquid crystal display that is an example of a display device, a support member that supports the rear side of a display panel having a display surface on the front side, and a holding frame (bezel) that presses and holds the front edge of the display panel against the support member. A module that holds the display panel is employed. In order to prevent the intrusion of dust and the like into the display panel, dustproof spacers are arranged between the front and rear peripheral edge of the display panel and the peripheral edge of the holding frame and support member, and the module is assembled to remove dust sufficiently. Going in a clean room. Further, in a display device incorporating a module, a dustproof spacer is disposed between the holding frame and the front cabinet (see, for example, Patent Document 1).

JP 2006-215512 A

In the conventional display device, in order to prevent intrusion of dust and the like into the display panel, a dust-proof spacer is arranged in each of the assembly stage of the module and the incorporation stage into the display device. It was bad.
On the other hand, in recent years, a structure in which transparent glass is disposed on the front side of a display panel to eliminate a holding frame (bezel) has been considered from the viewpoints of thinning and improving design in a liquid crystal display. Even in this case, it is necessary to prevent entry of dust and the like into the rear side of the display panel.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a display device provided with a dustproof spacer suitable for a structure in which transparent glass is disposed on the front side of a display panel.

A display device according to the present invention includes a light-transmitting panel bonded to one surface side of the display panel and a cover that covers the other surface side of the display panel in a display device including a display panel on which an image is displayed. A dustproof spacer is provided to block between the peripheral edge of the translucent panel and the peripheral edge of the cover.
In the present invention, the gap between the peripheral edge of the translucent panel joined to one side of the display panel on which an image is displayed and the peripheral edge of the cover covering the other side of the display panel is closed with a dustproof spacer. Since the display panel is surrounded by a translucent panel, a cover, and a dustproof spacer, entry of dust and the like into the display panel is prevented.

In the display device according to the present invention, the peripheral portion of the translucent panel protrudes to the outer peripheral side from the peripheral portion of the display panel, and the dust-proof spacer includes both the peripheral portion of the translucent panel and the display panel and the cover. It is in contact with the peripheral edge.
In the present invention, the dustproof spacer contacts the peripheral edge of the translucent panel that protrudes from the peripheral edge of the display panel to the outer peripheral side to close the gap between the peripheral edge of the translucent panel and the peripheral edge of the cover. The peripheral edge of the display panel and the peripheral edge of the cover are closed by contacting the peripheral edge of the display panel.

The display device according to the present invention is characterized in that the dustproof spacer is a single member in which the portions that come into contact with the peripheral portions of both the translucent panel and the display panel are integrated.
In the present invention, the dustproof spacer, which is a single member, comes into contact with both the peripheral portion of the light-transmitting panel and the display panel protruding from the peripheral portion of the display panel and the peripheral portion of the cover.

In the display device according to the present invention, the cover has an opening on the display panel side, and a light source unit that projects illumination light to the display panel through the opening is provided inside the cover. And
In the present invention, the illumination light projected from the light source provided inside the cover is illuminated onto the display panel through the opening on the display panel side of the cover.

  According to the present invention, the dust-proof spacer is installed so as to close the periphery of the light-transmitting panel and the peripheral edge of the cover only when the display panel to which the light-transmitting panel is bonded is incorporated into the display device. The display device provided with the dustproof spacer suitable for the structure in which the installation of the dustproof spacer is completed once and the workability is improved and the transparent glass (translucent panel) is arranged on the front side of the display panel is provided.

It is a typical front view of the display apparatus which concerns on this invention. It is the cross-sectional view which expanded a part of display apparatus shown in FIG. It is the cross-sectional view which expanded a part of display apparatus shown in FIG. It is a rear view of the translucent panel to which the display panel and the dustproof cover were attached. FIG. 5 is a partially exploded perspective view of the panel structure shown in FIG. 4. It is a typical perspective view of the panel structure shown in FIG. It is a cross-sectional view showing a modified configuration of the display device according to the present invention. It is the cross-sectional view which expanded a part of display apparatus of another structure.

Hereinafter, embodiments of a display device according to the present invention will be described in detail with reference to the drawings.
Embodiment 1
1 is a schematic front view of a display device according to the present invention, FIG. 2 is an enlarged cross-sectional view of a part of the display device shown in FIG. 1, and FIG. 3 is an enlarged cross-section of a part of the display device shown in FIG. 4 is a rear view of a translucent panel to which a display panel and a dust cover are attached, FIG. 5 is a partially exploded perspective view of the panel structure shown in FIG. 4, and FIG. 6 is a schematic perspective view of the panel structure shown in FIG. FIG.

  The display device according to Embodiment 1 includes a display panel 1 that displays a television image on the front side, a translucent panel 2 made of glass plate that is bonded to the front surface of the display panel 1 by bonding, and the periphery of the translucent panel 2 The ring body 3 that covers the periphery, the light source unit 4 disposed on the rear side of the display panel 1, the diffusion plate 5 disposed between the light source unit 4 and the display panel 1, and the diffusion plate 5 are stacked. The optical sheet 6, the frame 7 disposed between the optical sheet 6 and the display panel 1 and facing the rear surfaces of the peripheral edges 1 a and 2 a of the display panel 1 and the translucent panel 2, and the rear side of the light source unit 4 A liquid crystal display device that includes a cover 8 that covers the screen, a stand 21 attached to the lower part of the cover 8, and the like so that a television image displayed on the front side of the display panel 1 can be viewed from the front of the translucent panel 2. is there.

  The display panel 1 has a substantially rectangular parallelepiped shape, and a film-like polarizing plate is bonded to the front and rear surfaces. The translucent panel 2 is thicker than the display panel 1 and has a substantially rectangular parallelepiped shape larger than the display panel 1, and a plurality of combined bodies 9 are attached to the rear surface of the peripheral edge portion 2 a so as to be separated in the circumferential direction.

  As shown in FIGS. 4 and 5, the combined body 9 has a substantially rectangular shape or a substantially L shape, and has a plurality of plate portions 91 arranged on four sides at intervals along the peripheral edge of the translucent panel 2, One end of the plate portion 91 is crimped, and a first cylindrical boss 92 having a short length and a second cylindrical boss 93 having a long length are provided. The plate portion 91 is attached to the rear surface of the peripheral edge portion 2a of the translucent panel 2 with a double-sided tape 94 or the like, and the cylindrical bosses 92 and 93 protrude rearward.

  The combined body 9 includes a first combined body 9a in which a first cylindrical boss 92 is provided on a plate portion having a substantially rectangular shape, and a second cylindrical boss 93 on a plate portion 91 having a substantially rectangular shape. It has the 2nd coupling body 9b, and the 3rd coupling body 9c by which the 1st cylindrical boss | hub 92 was provided in the board part 91 which makes | forms a substantially L shape. Two first combined bodies 9a are arranged on the center side in the length direction of the lower side portion of the translucent panel 2, and two second combined bodies 9b are arranged on the center side of the upper side section of the translucent panel 2 and on both sides. One each is arranged on the center side in the longitudinal direction of the side part, and one third coupling body 9 c is arranged at each of the four corners of the translucent panel 2.

  The ring body 3 is opposed to the circumferential surface of the translucent panel 2 in the radial direction and is opposed to each other in a radial direction. The ring body 3 extends substantially from the rear side to the center side. Opposite the rear surface of the peripheral edge 2a of the panel 2, and projecting outwardly in the radial direction from the extended convex part 32 attached to the coupling body 9 by the male screw 30, and the ring-covered part 31 and the extended convex part 32. It has a tapered protrusion 33 and is made of synthetic resin.

  An annular gap a is formed between the peripheral surface of the light-transmitting panel 2 and the cover-ring portion 31 by facing the cover-ring portion 31 apart from the peripheral surface of the light-transmitting panel 2. The gap a has a dimension such that when the synthetic resin ring 3 is thermally contracted due to a change in the external temperature, the cover ring portion 31 does not come into contact with the peripheral surface of the translucent panel 2.

  The cover ring portion 31 is formed to be substantially equal to the thickness of the translucent panel 2 and does not project from the front surface of the translucent panel 2 or the projection amount is small.

  The extending protrusion 32 has an annular shape, and through holes 32 a into which the first cylindrical bosses 92 of the combined body 9 are inserted are opened at a plurality of positions separated in the circumferential direction, and are received by the plate portion 91. In this state, the male screw 30 is screwed into the cylindrical boss 92 and is attached to the coupling body 9. In addition, the projecting pieces 32 b extending toward the center side are provided at a plurality of circumferential positions on the projecting portions 32 on both the upper side and the left and right sides, and the projecting pieces 32 b are arranged between adjacent plate portions 91. Thus, the gap between the adjacent plate portions 91 is reduced.

  The tapered protrusion 33 has a substantially V-shaped cross section that projects from the front edge and the rear edge of the ring body 3 toward the center in the thickness direction, and when the peripheral edge of the ring body 3 is visually recognized, the ring body 3 is formed. The thickness of is made to look thin. An annular recess 34 and a retaining groove 35 that are recessed forward are provided on the former rear surface of the tapered protrusion 33 over the entire circumference.

  The cover 8 is attached to the rear side of the peripheral portion 2a of the translucent panel 2, and includes a cover inner body 8a having a substantially rectangular shallow dish shape covering the rear side of the light source unit 4, and the cover inner body 8a. And a cover outer body 8b that is coupled to the cover inner body 8a and forms a substantially rectangular deep dish shape that covers the cover inner body 8a.

  The cover inner body 8a is formed by molding a metal plate and is formed slightly smaller than the translucent panel 2. The light source unit 4 is attached in the cover inner body 8a, and a plurality of circuit boards 20 such as a power circuit board are attached to the rear surface of the cover inner body 8a.

  The light source unit 4 is formed in a laterally long strip shape, the light guide plate 42 arranged in a plurality of rows above and below, the reflection sheet 41 arranged on the rear surface of the light guide plate 42, and one row in the upper and lower sides of the light guide plate 42. A plurality of arranged light emitting diodes 44 are mounted on one surface, and a strip-shaped light emitting diode substrate 43 that is long in the vertical direction is provided. The light emitting diode 44 mounted on the light emitting diode substrate 43 faces one end and the other end of the light guide plate 42. The light emitting diode substrate 43 is made of a material having high thermal conductivity such as aluminum, and a block-like heat radiation portion 45 is attached to the back surface side. The heat radiating portion 45 is screwed to the cover inner body 8a with screws (not shown). The heat radiating portion 45 is provided with a screw hole 45a opened to the front side.

  The light guide plate 42 is formed by cutting a long material formed by extruding a synthetic resin material such as an acrylic resin or a polycarbonate resin into a predetermined length. The light exit surface is disposed on the inner surface of the cover 8a.

  An insertion hole 81 is formed at a position facing the second cylindrical boss 93 on the outer peripheral portion of the cover inner body 8a, and the periphery of the insertion hole 81 faces the tip of the cylindrical boss 93. Is connected to the translucent panel 2 by a male screw 82 screwed into the cylindrical boss 93 through the insertion hole 81. Further, a convex coupling portion 83 having a fitting hole 83a is integrally formed at a position deviated from the insertion hole 81 on the outer peripheral portion, and the cover outer divided body 8b is detachably coupled to the convex coupling portion 83. .

  The cover outer body 8b has a fitting inlet 84 that protrudes forward at the outer peripheral edge, and the fitting inlet 84 is fitted into the annular recess 34 of the ring body 3 from the rear to enhance dust resistance. . Further, a plurality of cylindrical bosses 85 facing the convex coupling portion 83 of the inner cover body 8a are provided so as to protrude from the cylindrical boss 85 into the fitting holes 83a of the convex coupling portion 83. And is coupled to the cover inner body 8a.

  The frame body 7 is connected to the outer peripheral side of the annular plate portion 71 and the rectangular annular plate portion 71 facing the rear surfaces of both the peripheral portion 2a of the translucent panel 2 and the peripheral portion 1a of the display panel 1, and the second cylinder It has an annular edge 72 bent rearward so as to face the shaped boss 93, has a substantially L-shaped cross section, and is made of synthetic resin. The annular plate portion 71 has a through-hole 71a on the outer peripheral side, the through-hole 71a is opposed to the screw hole 45a of the heat radiating portion 45, and the male screw 73 is screwed into the screw hole 45a from the through-hole 71a. 7 is fixed to the heat radiation part 45.

  On the front surface of the annular plate portion 71, an annular dustproof spacer 10 that closes between the peripheral edge portion 2 a of the translucent panel 2 and the peripheral edge portion 1 a of the display panel 1 is disposed. The dustproof spacer 10 is in contact with the peripheral portions 1a and 2a of both the translucent panel 2 and the display panel 1 and the annular plate portion 71, and before and after the portion in contact with the peripheral portion 2a and the annular plate portion 71 of the translucent panel 2. It is a single member having a cross-sectional shape in which the thickness in the direction is thicker than the thickness of the portion in contact with the peripheral edge portion 1a of the display panel 1 and the annular plate portion 71. The dustproof spacer 10 is affixed to the translucent panel 2 with an adhesive. The dustproof spacer 10 may be attached to the annular plate portion 71 of the frame body 7 instead of the translucent panel 2.

  The optical sheet 6 is a relatively thin synthetic resin sheet having light transmissivity and flexibility, such as a reflective polarizing sheet, a prism sheet, and a diffusion sheet that polarizes light diffused by the light guide plate 42, and is a display panel. 1 is formed in a substantially rectangular shape.

  The stand 21 is attached to the lower rear surface of the inner cover body 8a with a plurality of male screws at the center in the lateral direction, and protrudes downward from the lower edge of the translucent panel. And a joined base. A recess that is recessed rearward is provided in a portion of the cover outer body 8b that faces the support column.

The liquid crystal display device configured as described above is assembled, for example, by the following steps (1) to (9).
(1) The light emitting diode substrates 43 and 43 are placed on both sides of the cover inner body 8a that is placed flat on the work table with the open side facing upward, and the heat radiating part 45 is screwed to the cover inner body 8a. Stop.
(2) A reflective sheet 41 is placed between the light emitting diode substrates 43 and 43 in the cover inner body 8a, a plurality of light guide plates 42 are placed on the reflective sheet 41, and both ends of the light guide plate 42 are covered. It fixes to the inner body 8a.
(3) The diffusion plate 5 is placed on the light guide plate 42, the optical sheet 6 is placed on the diffusion plate 5, and the periphery of the optical sheet 6 is pressed by the annular plate portion 71 via the dust-proof band 11. The frame body 7 is arranged, and the frame body 7 is screwed to the heat radiating portion 45.
(4) The display panel 1 and the translucent panel 2 with the translucent panel 2 attached to the front side are laid flat on a work table so that the translucent panel 2 is on the lower side, and a plurality of combined bodies 9 ( The first to third combined bodies 9a, 9b, 9c) are attached to the rear surface of the peripheral edge 2a of the translucent panel 2 with a double-sided tape 94, and the dustproof spacer 10 is attached to the rear surface of the peripheral edge 2a of the translucent panel 2. Affix to the adhesive.
(5) The ring body 3 is placed on the outer peripheral side rear surface of the peripheral edge portion 2 a of the translucent panel 2, and the cylindrical boss 92 of the third combined body 9 c is inserted into the through hole 32 a of the extended protrusion 32 in the ring body 3. Is inserted, the male screw 30 is screwed into the cylindrical boss 92, and the ring body 3 is attached to the translucent panel 2.
(6) The cover inner body 8a is inverted so that the frame body 7 is on the lower side, and in this inverted state, the frame body 7 is in contact with the dust-proof spacer 10 and above the display panel 1 and the translucent panel 2. Place.
(7) The male screw 82 is screwed into the small diameter hole of the cylindrical boss 93 in the combined body 9 from the insertion hole 81 of the internal cover body 8a, and the internal cover body 8a is coupled to the translucent panel 2.
(8) The plurality of circuit boards 20 are attached to the rear surface of the cover inner body 8a, and the stand 21 is attached to the lower rear surface of the cover inner body 8a.
(9) The cover outer part 8b is fitted from the upper side of the cover inner part 8a, the fitting inlet 84 of the cover outer part 8b is fitted into the annular recess 34, and the cylindrical boss 85 in the cover outer part 8b is inserted. The end of the abutting portion is brought into contact with the convex coupling portion 83 of the inner cover body 8a, the male screw 86 is screwed into the fitting hole 83a of the convex coupling portion 83 from the cylindrical boss 85, and the outer cover body 8b is moved into the cover. It binds to the pod 8a.

  In the display device configured as described above, the space between the peripheral edge portion 2a and the frame body 7 of the translucent panel 2 and the space between the peripheral edge portion 1a of the display panel 1 and the frame body 7 are closed by the dustproof spacers 10. Therefore, it is possible to effectively prevent dust and the like from entering the display panel 1, and in addition, since the dust-proof spacer 10 is a single member, the dust-proof spacer 10 is handled and attached to the translucent panel 2. Etc. are also easy.

Embodiment 2
FIG. 7 is a cross-sectional view showing a modified configuration of the display device according to the present invention.
The display device according to the second embodiment has an annular dustproof spacer 10b that contacts the peripheral edge 2a of the translucent panel 2 and an annular contact that contacts the peripheral edge 1a of the display panel 1 instead of the dustproof spacer 10 that is a single member. The configuration is the same as that of the first embodiment except that the dustproof spacer 10A is provided.

  The dustproof spacer 10B is thicker in the front-rear direction than the dustproof spacer 10A, and is attached to the peripheral edge 2a of the translucent panel 2 with an adhesive. The dustproof spacer 10A is attached to the peripheral edge 1a of the display panel 1 with an adhesive. In FIG. 7, the dustproof spacer 10B can be left and the dustproof spacer 10A can be omitted.

  In the first and second embodiments described above, almost all the front surface of the display panel 1 is bonded to the translucent panel 2 with an adhesive, but only the outer peripheral portion of the front surface of the display panel 1 is bonded to the adhesive. It is good also as a structure adhere | attached on the translucent panel 2, and it is good also as a structure which adhere | attaches only a part of front surface of the display panel 1 to the translucent panel 2 with an adhesive, and is not an adhesive Further, a configuration in which the display panel 1 is bonded to the translucent panel 2 is not particularly limited.

Next, a display device having another configuration in which the arrangement of the display panel 1 and the translucent panel 2 is different will be described. FIG. 8 is an enlarged cross-sectional view of a part of a display device having another configuration.
This display device is different from the first and second embodiments in that the translucent panel 2 is spaced from the front surface of the display panel 1 and the display panel 1 is not joined to the translucent panel 2.

  The display panel 1 has a substantially rectangular parallelepiped shape, and a film-like polarizing plate is bonded to the front and rear surfaces, and two frames 12 and 13 are provided to hold the peripheral edge of the display panel 1 back and forth. , 13 are coupled to each other in the circumferential direction by screws or the like to constitute a panel module.

  One frame body 12 arranged on the front side of the peripheral edge of the display panel 1 includes an annular plate portion 12a having a rectangular plate shape and an extending frame portion 12b extending rearward from the outer peripheral edge of the annular plate portion 12a. And having a metal plate formed. The annular plate portion 12a has a cross section that is bent so that the outer peripheral side portion is biased rearward from the inner peripheral side portion, and a dustproof band 14 that contacts the front surface of the peripheral edge portion of the display panel 1 is attached to the rear surface of the inner edge portion. Is pasted. A dustproof spacer 16 that contacts the peripheral edge of the translucent panel 2 is attached to the front surface on the inner peripheral side of the annular plate portion 12a. A through hole 12c corresponding to the position of the screw hole 45a of the heat radiating portion 45 is formed in the outer peripheral side portion of the annular plate portion 12a.

  The other frame 13 disposed on the rear side of the peripheral edge of the display panel 1 includes an annular plate portion 13a having a rectangular plate shape and an extending frame portion 13b extending rearward from the outer peripheral edge of the annular plate portion 13a. And is formed of a synthetic resin material. A dustproof band 15 that contacts the rear surface of the peripheral edge of the display panel 1 is attached to the front surface of the inner edge of the annular plate portion 13a with an adhesive. A through hole 13c corresponding to the position of the screw hole 45a of the heat radiating portion 45 is formed in the outer peripheral portion of the annular plate portion 13a. The male screw 17 is screwed into the screw hole 45a of the heat radiating part 45 from the through hole 12c of the frame body 12 and 13c of the frame body 13, and both the frame bodies 12 and 13 are fixed to the heat radiating part 45.

The liquid crystal display device configured as described above is assembled, for example, by the following steps (1) to (8).
(1) The light emitting diode substrates 43 and 43 are placed on both sides of the cover inner body 8a that is placed flat on the work table with the open side facing upward, and the heat radiating portion 45 is screwed to the cover inner body 8a. Stop.
(2) A reflective sheet 41 is placed between the light emitting diode substrates 43 and 43 in the cover inner body 8a, a plurality of light guide plates 42 are placed on the reflective sheet 41, and both ends of the light guide plate 42 are covered. It fixes to the inner body 8a. Further, the diffusion plate 5 is placed on the light guide plate 42, and the optical sheet 6 is placed on the diffusion plate 5.
(3) The display panel 1 and the two frames 12 and 13 holding the peripheral edge of the display panel 1 forward and backward are arranged so that the rear frame 13 faces downward, and the peripheral edge of the optical sheet 6 is It arrange | positions so that it may hold | suppress via the dust-proof belt | band | zone 15 by the annular plate part 13a of the frame 13, and this frame 12 and 13 is screwed to the thermal radiation part 45, and is hold | maintained at the cover inner body 8a.
(4) The translucent panel 2 is laid flat on the work table, and a plurality of coupling bodies 9 (first to third coupling bodies 9a, 9b, 9c) are attached to the rear surface of the peripheral edge of the translucent panel 2 with a double-sided tape 94. Install by etc. Further, the dust-proof spacer 16 is attached to the rear surface of the peripheral edge 2a of the translucent panel 2 with an adhesive.
(5) The two frames 12 and 13 held by the inner cover body 8a are reversed and placed on the translucent panel 2 so that the front frame 12 faces downward. At this time, the front surface of the inner peripheral side portion of the annular plate portion 12 a comes into contact with the dust-proof spacer 16.
(6) The ring body 3 is placed on the outer peripheral side rear surface of the peripheral edge portion 2 a of the translucent panel 2, and the cylindrical boss 92 of the third combined body 9 c is inserted into the through hole 32 a of the projecting protrusion 32 in the ring body 3. Is inserted, the male screw 30 is screwed into the cylindrical boss 92, and the ring body 3 is attached to the translucent panel 2. At this time, the tip of the cylindrical boss 93 comes into contact with and is received around the insertion hole 81 of the inner cover body 8a.
(7) The male screw 82 is screwed into the small diameter hole of the cylindrical boss 93 in the combined body 9 from the insertion hole 81 of the internal cover body 8a, and the internal cover body 8a is coupled to the translucent panel 2.
(8) The cover outer part 8b is fitted from the upper side of the cover inner part 8a, the fitting inlet 84 of the cover outer part 8b is fitted into the annular recess 34, and the cylindrical boss 85 in the cover outer part 8b is inserted. The end of the abutting portion is brought into contact with the convex coupling portion 83 of the inner cover body 8a, the male screw 86 is screwed into the fitting hole 83a of the convex coupling portion 83 from the cylindrical boss 85, and the outer cover body 8b is moved into the cover. It binds to the pod 8a.

  In the display device described above, the cover 8 includes the cover inner body 8a attached to the rear surface of the peripheral edge of the translucent panel 2, and the cover outer body 8b coupled to the cover inner body 8a. In addition, it is good also as a structure by which the cover which consists of cover outer body 8b is attached to the peripheral part rear surface of the translucent panel 2. FIG. In this case, the inner cover body 8 a serves as a support body that supports the light source unit 4.

  Further, in the display device described above, the translucent panel 2 is made of glass, but the translucent panel 2 may be made of a synthetic resin having translucency.

  In the display device described above, the light source unit 4 disposed on the rear side of the display panel 1 includes the light guide plate 42 and the light emitting diode 44 as a light source disposed on the side surface side of the light guide plate 42. However, the light source may be a lamp such as a cold cathode tube. The light source unit 4 is an edge type backlight in which a light source is arranged on the side surface side of the light guide plate 42, and a light source composed of a lamp such as a light emitting diode or a cold cathode tube is arranged immediately below the display panel 1. A direct type backlight may be used, and the configuration of the light source unit 4 is not particularly limited. In addition, the light guide plate 42 of the edge type backlight may have a configuration in which a plurality of strips are arranged side by side, or a single size corresponding to the display panel 1 may be arranged.

  The display device according to the present invention may be a liquid crystal display device such as a liquid crystal television, or a display device such as a plasma display device or an SED display.

DESCRIPTION OF SYMBOLS 1 Display panel 1a Peripheral part 2 Translucent panel 2a Peripheral part 4 Light source part 8 Cover 10 Dust-proof spacer 10A Dust-proof spacer 10B Dust-proof spacer

Claims (4)

In a display device having a display panel on which an image is displayed,
A dust-proof spacer, comprising: a translucent panel joined to one surface side of the display panel; and a cover covering the other surface side of the display panel, and closing between a peripheral edge portion of the translucent panel and the peripheral edge portion of the cover. A display device comprising: The peripheral part of the translucent panel protrudes from the peripheral part of the display panel to the outer peripheral side,
The display device according to claim 1, wherein the dustproof spacer is in contact with a peripheral portion of both the translucent panel and the display panel and a peripheral portion of the cover.   3. The display device according to claim 2, wherein the dust-proof spacer is a single member in which portions contacting the peripheral portions of both the translucent panel and the display panel are integrated. The cover has an opening on the display panel side;
The display device according to claim 1, wherein a light source unit that projects illumination light to the display panel through the opening is provided inside the cover.

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