JP2006072243A - Panel type display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the occurrence of exfoliation, damage or powdering of an antireflection film formed on a front protective plate in an opposite area of an effective display area of a display panel. <P>SOLUTION: A stopper rib 17 projected to a surface protective plate 6 side more than an opening edge 16a of a display aperture 19 is integrally formed on the inner surface of an outer peripheral flange section 15 of a facing frame member 4 fringing the effective display area 12a of the display panel unit 2 so that the above rib strikes against the major face of the surface protective plate 6 in a position facing a non-display area 12b of the display panel unit 2 covered by the outer peripheral flange section 15. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a panel type display device having a display panel such as a liquid crystal panel, and more particularly to a panel type display device in which a front protective plate and a decorative frame member are combined on the front side of the display panel.

The panel type display device includes a lightweight and thin display panel such as a liquid crystal display panel (LCD) and a plasma display panel (PDP). Panel-type display devices have a larger display screen, lighter weight, and thinner profile than cathode ray tubes (CRTs), receivers for high-definition and digital terrestrial broadcasting, and various large-sized displays. It is attracting attention as a display device. (Patent Document 1)
As shown in FIG. 4, the conventional panel display device 100 includes a casing 102 that houses a display panel body 101 and a rectangular frame-shaped decorative member 103 called a bezel. In the panel type display device 100, an elastic material 104 having a dustproof function or a cushioning function is joined to the front surface of the display panel body 101 so as to surround an effective display area 101 a where an image or the like is actually displayed. The front protective plate 105 is combined.

  The display panel body 101 is omitted in detail, but a display panel, a drive circuit unit or a backlight unit (provided in the case of a liquid crystal panel) combined in a stacked state, and a box shape for storing these stacked bodies. And the metal frame 111. The metal frame 111 has a flange portion 112 formed on the entire front surface of the metal frame 111. The effective display area 101a of the display panel is exposed outward from an opening 113 surrounded by the flange portion 112 and opened. I will. The elastic material 104 described above is joined to the surface of the flange portion 112 of the metal frame 111.

  In the panel type display device 100, the front protective plate 105 is formed on the surface of the transparent plate 106 with a transparent plate 106 having a size substantially equal to the display surface of the display panel body 101 using a transparent material such as a glass plate. The antireflection layer 107 is formed. In the panel type display device 100, the front protective plate 105 is combined with the display surface of the display panel body 101, so that the antireflection layer 107 suppresses reflection of external light generated on the display surface of the display panel body 101, thereby generating a double image. Try to prevent the occurrence. In the panel type display device 100, an antireflection layer may be formed also on the inner surface side of the front protective plate 105.

  In the panel type display device 100, the decorative member 103 is formed in a substantially frame shape by using, for example, a synthetic resin material, and the outer peripheral flange portion 108 is integrally formed on the front surface portion over the entire periphery. In the decorative member 103, an opening 109 having an opening size slightly larger than the effective display area 101 a of the display panel body 101 is formed by the outer peripheral flange portion 108. On the decorative member 103, the outer peripheral flange portion 108 abuts against the main surface 105a of the front protective plate 105 as described later by bending the opening edge of the opening 109 inward over the entire circumference. The abutting part 110 to be formed is configured.

  In the panel type display device 100, the decorative member 103 is combined with the front surface protection plate 105 from the front surface side so that the abutting portion 110 abuts against the main surface 105a and is integrated with the housing 102. In the panel type display device 100, the decorative member 103 squeezes the elastic material 104 by pressing the front protective plate 105 toward the display panel body 101 (specifically, the flange portion 112 of the metal frame 111) by the abutting portion 110. In this state, the front protective plate 105 is held with its outer peripheral portion being sandwiched between the abutting portion 110 and the display panel body 101. In the panel type display device 100, the elastic member 104 is in close contact with the display panel body 101 and the front protective plate 105, and dust and the like are prevented from entering therebetween.

  In the panel type display device 100, the elastic force accumulated from the elastic material 104 is applied to the front protective plate 105, and this front protective plate 105 is urged toward the outer peripheral flange portion 108 side of the decorative frame member 103. In the panel type display device 100, the front protective plate 105 is held between the display panel body 101 via the abutting portion 110 and the elastic member 104, and the generation of vibration noise and the like is prevented.

  In the panel type display device 100, as described above, the decorative member 103 is combined on the front side of the display panel body 101, the effective display area 101a is exposed outward from the opening 109, and the outer peripheral flange 108 is provided. To be rimmed by. In the panel type display device 100, the display panel body 101 is protected by the front protective plate 105 and high-quality image display is performed by the antireflection action of the antireflection film 107. An unillustrated mounting portion, coupling portion, wiring or the like provided on the outer peripheral portion of 101 is hidden.

JP 2003-174692 A

  In the panel type display device 100, as described above, the effective display area 101 a is exposed to the outside through the opening 109 and combined with the entire periphery by combining the decorative frame member 103 on the front side of the display panel body 101. It is made to be edged by the outer periphery flange part 108 over it. In the panel type display device 100, the decorative frame member 103 holds the front protective plate 105 by pressing the front protective plate 105 toward the display panel body 101 by the abutting portion 110.

  In the panel type display device 100, as described above, an elastic force is accumulated in the elastic member 104 by being crushed between the front protective plate 105 and the display panel body 101, and this elastic force is applied to the front protective plate 105. By making it act, it is comprised so that the front surface protection plate 105 may be hold | maintained. Therefore, in the panel type display device 100, for example, when an impact or vibration is applied during transportation, the panel type display device 100 is rubbed while maintaining a contact state between the front protective plate 105 and the abutting portion 110 of the decorative frame member 103. Operation occurs.

  In the panel display device 100, there is a possibility that a phenomenon such as peeling or damage may occur in the antireflection layer 107 formed on the front protective plate 105 due to rubbing by the abutting portion 110. In the panel type display device 100, when peeling or damage of the antireflection layer 107 reaches a portion in the opening 109, it becomes visually invisible from the outside, and it becomes defective in appearance. In the panel type display device 100, in order to improve display efficiency, the abutting portion 110 is configured to abut against the front protective plate 105 at substantially the same position as the outer periphery of the effective display area 101a of the display panel body 101. In addition, the display quality is deteriorated due to peeling of the antireflection layer 107 facing the effective display area 101a.

  In the panel type display device 100, shavings are generated from these members by the rubbing operation between the front protective plate 105 and the abutting portion 110 of the decorative frame member 103, and the shavings are formed on the surface of the front protective plate 105. The so-called dusting state may occur due to wide adhesion. In the panel type display device 100, for this purpose, when delivering to the user, it is troublesome to take out the dust from the surface of the front protective plate 105 with a soft cloth or the like and remove it from the individual packaging box and repack it. Necessary measures were also necessary.

  Accordingly, the present invention provides a panel type display device that prevents the occurrence of peeling, damage or dusting of the antireflection film formed on the front surface protection plate at a position opposite to the effective display area of the display panel with a simple configuration. It was proposed for the purpose.

  The panel type display device according to the present invention that achieves the above-described object includes a display panel body, a front protective plate, and a decorative frame member. In the panel type display device, the front protective plate is formed with an antireflection layer formed on at least the main surface on the display surface side of the transparent plate, and is combined with the front surface side of the display panel body. In the panel type display device, the decorative frame member has a frame-shaped outer peripheral flange portion that forms a display opening portion that faces the effective display area of the display panel body outward, and the display opening portion is formed on the inner side surface of the outer peripheral flange portion. It has an abutment rib which is located on the outer peripheral side along the opening edge and has a height at which the tip protrudes toward the front surface protection plate from the opening edge and is integrally formed.

  In the panel type display device according to the present invention, the front protective plate is combined with the front surface of the display panel body to protect the display panel body, and the reflection light generated on the surface of the display panel body is attenuated by the antireflection layer. Thus, the generation of a double image is suppressed so that a good image or the like is displayed. In the panel type display device, the decorative frame member maintains the combined state of the front protective plates, and the effective display area of the display panel body is trimmed by the display opening of the outer peripheral flange portion. In the panel type display device, in this state, the abutment rib of the decorative frame member is abutted against the main surface of the front protective plate at a position facing the non-display area of the display panel body covered with the outer peripheral flange portion, A gap is formed between the main surface of the front protective plate and the opening edge of the display opening. Therefore, in the panel type display device, the antireflection layer is peeled off so that the quality of the display image is deteriorated by preventing the rubbing operation between the opening edge of the display opening and the main surface of the front protective plate during transportation or the like. And damage are prevented from occurring in the effective display area. Also, in panel type display devices, the shavings generated from the outer peripheral flange part of the decorative frame member and the front protective plate due to the rubbing action that causes the dusting phenomenon diffuses to the surface of the front protective plate facing the display area of the display panel. To suppress adhesion.

  According to the panel type display device according to the present invention, the abutting rib whose front end protrudes toward the front protective plate from the opening edge of the display opening is integrally formed on the inner surface of the outer peripheral flange of the decorative frame member. In this way, a gap is formed between the main surface of the front protective plate and the opening edge of the display opening at a position facing the non-display area of the display panel body. Like that. According to the panel type display device, the rubbing operation is performed between the opening edge of the display opening formed on the outer peripheral flange portion of the decorative frame member that borders the effective display area of the display panel body and the main surface of the front protective plate. Prevent it from occurring. According to the panel type display device, it is possible to prevent the front protective plate from being scratched at the portion facing the effective display area of the display panel body, and the antireflection layer formed on the main surface from being peeled off or damaged. It is possible to improve the reliability by preventing the appearance defect and the deterioration of the display image. In addition, according to the panel type display device, it is possible to rationalize the process without the need for wiping work or the like by reducing the occurrence of the dusting phenomenon spreading over the entire surface of the front protective plate.

  Hereinafter, the panel type display device 1 shown in the drawings as an embodiment of the present invention will be described in detail. The panel type display device 1 is a television receiver that uses a liquid crystal panel as the display panel unit 2 to achieve a large screen, a thin shape, and a light weight. As shown in FIG. 1, the panel type display device 1 is configured by combining a decorative frame member (bezel) 4 on the outer peripheral portion of the display panel unit 2 housed in a housing 3 so that the front shape is a horizontally long rectangle. The stand 5 is combined. The panel type display device 1 is not limited to a liquid crystal display panel as the display panel unit 2, and other thin display panels such as a plasma display panel may be used. For example, the panel type display device 1 may be provided with an angle adjustment mechanism or a swing adjustment mechanism for adjusting the display surface angle of the display panel unit 2 on the stand 5, or may be used as a wall hanging type by removing the stand 5.

  In the panel type display device 1, a front protective plate 6, which will be described in detail later, is combined with the front surface of the display panel unit 2. The panel type display device 1 is provided with a functional optical display unit 7 for optically displaying a function setting state on a part of the decorative frame member 4, for example, a lower right part on the front in FIG. The panel-type display device 1 guides display light from a function display light emitting unit provided therein, and the function optical display unit 7 optically displays a power supply state, a recording setting state, a communication setting state, and the like. To. In the panel display device 1, the functional optical display unit 7 is provided with a receiving unit that receives a control signal emitted from the remote controller.

  In the panel display device 1, for example, left and right speaker boxes may be combined with both side surfaces in the longitudinal direction, and the left and right speaker boxes may constitute left and right decorative frame members. The decorative frame member 4 will be described as a member integrally formed in a frame shape in the following description. However, the decorative frame member 4 constitutes a frame-shaped member as a whole in cooperation with other members combined such as the speaker box described above, and the display panel. Any member that has a function of trimming the outer peripheral portion of the unit 2 and holding the front protective plate 6 may be used. The decorative frame member 4 may be composed of, for example, a long rectangular upper side member and a lower side member that are coupled to left and right speaker boxes at both ends in the longitudinal direction.

  The display panel unit 2 includes a liquid crystal panel 8, a light conversion light guide unit 9, a backlight unit 10, and a frame body 11 that accommodates and integrates these stacked bodies, which are combined in a stacked state, although details are omitted. The As shown in FIG. 2, the display panel unit 2 is attached to an internal space in which a frame body 11 is composed of a housing 3 and a decorative frame member 4 with the display surface of the liquid crystal panel 8 as the front side. Although not shown, the display panel unit 2 is assembled with a circuit unit such as a driving circuit, a power supply circuit, a control circuit, or a receiving circuit for the liquid crystal panel 8 inside or outside the frame body 11.

  The liquid crystal panel 8 encloses a liquid crystal between a pair of glass substrates and applies a voltage to the liquid crystal to change the direction of the liquid crystal molecules to change the light transmittance. The liquid crystal panel 8 is formed with a striped transparent electrode, an insulating film, and an alignment film on the inner surface of one glass substrate, and a color filter of three primary colors, an overcoat layer, and a striped shape on the inner surface of the other glass substrate. A transparent electrode and an alignment film are formed. The liquid crystal panel 8 joins a deflection film and a retardation film to the surface of each glass substrate. In the liquid crystal panel 8, the alignment film is arranged in the horizontal direction with the liquid crystal molecules as an interface, and the deflection film and the phase difference make the wavelength characteristics achromatic and white, and the color filter is used to display the image in color. .

  In the display panel unit 2, the backlight unit 10 is provided with light emitting diodes that appropriately emit a large number of red light, green light, and blue light, for example, and supplies illumination light to the liquid crystal panel 8. The backlight unit 10 is combined with a heat radiating unit that radiates heat generated from each light emitting diode. The display panel unit 2 includes an optical conversion function sheet that performs predetermined optical conversion processing on the illumination light emitted from the backlight unit 10 to the light guide unit 9, a diffusion plate that equalizes the amount of light over the entire surface, and the like. It has been. In the display panel unit 2, the illumination light emitted from the backlight unit 10 is supplied to the liquid crystal panel 8 through the light guide unit 9.

  The frame body 11 is formed in a substantially box shape as a whole by a lightweight metal material having mechanical rigidity such as an aluminum material and having excellent thermal conductivity. Although not described in detail in the frame body 11, an appropriate attachment portion for attaching to the housing 3 or the decorative frame member 4 is integrally formed on the bottom surface portion or the outer peripheral portion. Although not described in detail, an appropriate mounting portion for assembling the above-described laminated body such as the liquid crystal panel 8 is integrally formed on the frame body 11.

  The frame body 11 includes an opening 11a that faces the display surface 12 of the liquid crystal panel 8 outwardly, and is edged by an outer peripheral flange portion 11b. In the frame body 11, the outer peripheral flange portion 11b is formed to be slightly smaller than the width of the non-display area 12b surrounding the effective display area 12a of the liquid crystal panel 8 described later as shown in FIG. In addition, the frame body 11 is integrally formed with an appropriate attachment portion for assembling to the decorative frame member 4.

  Although details are omitted in the liquid crystal panel 8, since the glass substrate bonding portion, the electrode lead-out portion, and the like are configured, the effective display area 12 a where an image or the like is actually displayed on the display surface 12 is bordered. A non-display area 12b having a predetermined width is formed along the outer periphery. In the liquid crystal panel 8, the non-display area 12b of the display surface 12 is covered with the decorative frame member 4 as described later, and the outer peripheral flange portion 11b of the frame body 11 facing the non-display area 12b as shown in FIG. The elastic material 13 is joined so as to be interposed between the decorative frame member 4 and the decorative frame member 4.

  The elastic material 13 is formed in a frame shape having an opening size slightly larger than that of the effective display region 12a by using an elastic material such as polyurethane resin or rubber. The elastic material 13 is located in the non-display area 12b by, for example, a double-sided adhesive tape, and is bonded to the liquid crystal panel 8 and the front protective plate 6. The elastic member 13 has a cushioning action that absorbs an impact applied to the front protective plate 6 and a dustproofing action that prevents intrusion of dust and the like into the display panel unit 2 at the outer peripheral portion.

  The decorative frame member 4 is made of, for example, a transparent polycarbonate resin, acrylic resin, or the like, and is integrally formed with a main body portion 14, an outer peripheral flange portion 15, an edge portion 16, a butting rib 17, a combination step portion 18, and the like. A display opening 19 is formed to allow the effective display area 12a of the liquid crystal panel 8 to face outward. The decorative frame member 4 is formed in a rectangular frame shape in which the main body portion 14 has an opening size substantially equal to the opening size of the housing 3 formed in a substantially box shape with the front surface portion opened. As shown in FIG. 3, the main body portion 14 is stepped down over the entire circumference along the opening edge on the back surface side to form a combination step portion 18.

  The decorative frame member 4 is combined with the housing 3 in such a manner that the combination step portion 18 of the main body portion 14 is brought into contact with the combination step portion 20 formed over the entire periphery of the opening edge of the housing 3, thereby being integrated with the housing 3. The exterior body is configured. Although not shown, the decorative frame member 4 has a large number of cylindrical mounting portions and mounting portions integrally formed at appropriate positions on the inner surface side, and these mounting portions are formed relative to the housing 3 side. The frame 3 is combined with the housing 3 while being integrated with the housing 3 by a set screw screwed in from the attached mounting portion.

  On the decorative frame member 4, an outer peripheral flange portion 15 bent in an orthogonal state toward the inside is integrally formed on the front side of the main body portion 14 over the entire circumference. The outer peripheral flange portion 15 is integrally formed with an edge portion 16 over the entire circumference by gradually inclining the tip end side inward. The outer peripheral flange portion 15 is formed such that the entire width up to the opening edge 16 a of the rim portion 16 is slightly smaller than the non-display area 12 b of the liquid crystal panel 8, and the decorative frame member 4 is combined with the display panel unit 2. In the state attached to the housing 3, the display opening 19 is configured so that the effective display area 12 a of the liquid crystal panel 8 is trimmed to the outer peripheral part through a part of the non-display area 12 b so as to face outward.

  In the decorative frame member 4, abutting ribs 17 are integrally formed on the inner surface of the outer peripheral flange portion 15. The abutment rib 17 has a height protruding slightly inward from the opening edge 16 a of the edge portion 16, and extends across the entire area along the opening edge of the display opening 19. Are integrally formed. The abutment rib 17 has a thickness having a predetermined mechanical rigidity, and a tip end portion 17a is formed, for example, in a circular arc shape. The abutting rib 17 is abutted against the main surface of the front protective plate 6 as will be described later, but is formed on the inner surface of the outer peripheral flange portion 15 that is not visually recognized from the outside, thereby reducing the frictional force with the front protective plate 6. Alternatively, it can be formed in any shape that improves the mechanical strength.

  The abutment rib 17 has a height that protrudes inward from the opening edge 16a of the edge portion 16, so that the front protective plate is mounted in a state where the decorative frame member 4 is attached to the housing 3 as described later. The abutting site | part with 6 main surfaces is comprised. The abutting rib 17 is abutted against the main surface of the front protective plate 6 at the tip portion 17 a at a portion facing the non-display area 12 of the liquid crystal panel 8. Specifically, the abutting rib 17 has a tip end portion 17 a that abuts against the main surface of the front protective plate 6 at a position facing the elastic member 13 joined to the outer peripheral flange portion 11 b of the frame body 11 and the front protective plate 6. It is done.

  In the decorative frame member 4, the abutment rib 17 abuts against the front protective plate 6, so that a gap Δx is formed between the opening edge 16 a of the edging portion 16 and the main surface of the front protective plate 6 as shown in FIG. 3. Is retained. In the decorative frame member 4, since the abutment rib 17 is integrally formed on the inner surface of the outer peripheral flange portion 15 that is the base end portion of the edge portion 16, the abutment rib 17 also reinforces the edge portion 16. . In the decorative frame member 4, the opening edge 16 a is preferably thin because it gives the user a sense of thickness when the edge portion 16 has a shape that rises with a large step from the display screen. In the decorative frame member 4, by making the edge portion 16 thin, distortion or the like tends to occur in the thickness direction, and the impression of the display portion is significantly impaired. In the decorative frame member 4, since the abutment rib 17 is formed on the inner surface of the outer peripheral flange portion 15, the mechanical strength is maintained even if the edge portion 16 is thin.

  In order to improve display efficiency, the decorative frame member 4 configures the display opening 19 so that the opening edge 16a of the rim 16 and the outer peripheral portion of the effective display area 12a of the liquid crystal panel 8 are closer to each other. It is preferable. However, the decorative frame member 4 may be positioned in the display opening 19 and the effective display area 11 of the liquid crystal panel 8 depending on the assembly accuracy of the display panel unit 2 and the dimensional accuracy of each constituent member. As described above, the opening edge 16a of the edge portion 16 is combined with the frame body 11 so that a part of the non-display area 12b of the liquid crystal panel 8 faces outward. In the decorative frame member 4, the abutment rib 17 is abutted against the front protective plate 6 at a position facing the non-display area 12 b of the liquid crystal panel 8 as described above.

  The front protective plate 6 includes a transparent plate 21 and an antireflection layer 22 formed on the main surface of the transparent plate 21. The transparent plate 21 is formed of, for example, glass, transparent acrylic resin, polycarbonate resin, or the like with a thickness that is substantially equal to or slightly larger than the outer dimensions of the liquid crystal panel 8 and has a predetermined mechanical rigidity.

  The front protective plate 6 prints, for example, a black frame that borders the effective display area 12 a of the liquid crystal panel 8 over the entire circumference, and the black frame and the outer peripheral area of the display opening 19 of the decorative frame member 4. A transparent frame portion may be formed between the display images so that the display image is lifted. For example, when the front protective plate 6 is a plasma display panel, an electromagnetic wave shielding layer made of a copper fine wire mesh layer may be formed on the inner surface.

The antireflection layer 22 is made of, for example, a low-refractive material made of a metal oxide such as Al ₂ O ₃ or SnO ₂ , an organic compound such as polysarsan or an aromatic polymer, an inorganic material such as SiO ₂ , or an organic material such as a fluorine-containing compound. It is formed over the entire surface by coating with a uniform thickness on the front side of the front protective plate 6. The antireflection layer 22 is made of a multilayer film having a refractive index lower than that of the base material, and attenuates reflected light generated on the surface of the liquid crystal panel 8 due to interference of reflected light generated at each interface to suppress the generation of a double image. . In addition, you may make it form the antireflection layer 22 also in the inner surface side of the front surface protection plate 6 as needed.

  In the panel type display device 1, the laminated body such as the liquid crystal panel 8 is combined with the internal space of the frame body 11 as described above. In the display panel unit 2, an elastic material 13 is attached to the front surface of the outer peripheral flange portion 11 b of the frame body 11, and a front protective plate 6 is further combined. In the panel type display device 1, the front protective plate 6 is temporarily held on the front surface of the liquid crystal panel 8 by a double-sided adhesive tape bonded to the elastic material 13, and the front protective plate 6 is fixed by the housing 3 and the decorative frame member 4. To do.

  In the panel type display device 1, the decorative frame member 4 is combined and integrated with the housing 3. In the panel type display device 1, the decorative frame member 4 borders the effective display area 12 a of the liquid crystal panel 8 through a part of the non-display area 12 b by the edge portion 16 and faces the display opening 19 outward. Make it happen. In the panel type display device 1, the abutment rib 17 of the decorative frame member 4 is abutted against the main surface of the front surface protection plate 6 and pressed against the display panel unit 2 side, thereby holding the front surface protection plate 6.

  In the panel type display device 1, the elastic member 13 is crushed between the outer peripheral flange portion 11 b of the frame body 11 and the front protective plate 6 by the pressing force of the abutting ribs 17 to store elastic force, and these frames are stored. By adhering to the body 11 and the front protective plate 6, entry of dust or the like is prevented. In the panel type display device 1, even when an impact or the like is applied to the front protective plate 6 from the front side, the elastic material 13 is elastically deformed, so that the protective action of the liquid crystal panel 8 by the front protective plate 6 is maintained. Like that.

  In the panel type display device 1, the abutment rib 17 of the decorative frame member 4 is abutted against the main surface of the front protective plate 6 at a position facing the non-display area 12 b of the liquid crystal panel 8. In the panel type display device 1, a rubbing operation may occur between the main surface of the front protective plate 6 and the abutment rib 17 due to vibration applied during transportation or the like. In the panel type display device 1, the antireflection layer 22 formed on the front protective plate 6 may be peeled off or damaged by this rubbing operation.

  In the panel type display device 1, the inner side covered with the outer peripheral flange portion 15 of the decorative frame member 4 at a position facing the non-display area 12 b of the liquid crystal panel 8 from the above-described configuration. Since this occurs at the position, the antireflection effect on the effective display area 12a of the liquid crystal panel 8 by the antireflection layer 22 is not impaired, and a highly accurate image display is maintained. Further, in the panel type display device 1, since the peeling or breakage of the antireflection layer 22 occurs in the portion covered by the outer peripheral flange portion 15 of the decorative frame member 4, the appearance is not impaired. In the panel type display device 1, some shavings are also generated from the front protective plate 6 and the abutment rib 17 by the above-described rubbing operation, but they may diffuse and adhere to the surface of the front protective plate 6 over a wide range. Will be reduced. In the panel type display device 1, the screen wiping operation which is performed without being noticed at the time of delivery or the like becomes unnecessary.

  In the above-described embodiment, the single abutment rib 17 is integrally formed on the inner surface of the outer peripheral flange portion 15 of the decorative frame member 4 so as to surround the entire area of the display opening 19. Of course, a plurality of abutting ribs 17 may be formed. The abutment ribs 17 are integrally formed with each other when the decorative frame member 4 is divided and formed corresponding to each side. In the embodiment, the laminated body such as the liquid crystal panel 8 is accommodated in the box-shaped frame body 11 and integrated to form the display panel unit 2. You may make it combine with the back panel formed in this. The back panel is integrally formed with an attachment portion with the casing 3 and the decorative frame member 4 and a combination portion with the decorative frame member 4, and a flange portion to which the elastic member 13 is joined.

It is a front view of the panel type display device shown as an embodiment. It is a principal part disassembled perspective view of the panel type display apparatus. It is a principal part longitudinal cross-sectional view of the panel type display apparatus. It is a principal part longitudinal cross-sectional view of the conventional panel type display apparatus.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Panel type display apparatus, 2 Display panel unit, 3 Housing | casing, 4 Cosmetic frame member, 6 Front protective plate, 8 Liquid crystal panel, 11 Frame body, 11a Outer peripheral flange part, 11b Opening part, 12 Display surface, 12a Effective display area 12b Non-display area, 13 elastic material, 14 body part, 15 outer peripheral flange part, 16 edge part, 17 abutment rib, 19 display opening part, 21 transparent plate, 22 antireflection layer

Claims (2)

A display panel body;
A front protective plate having an antireflection layer formed on at least a main surface of the transparent plate on the display surface side and combined with the front surface side of the display panel body;
An outer peripheral flange portion that constitutes a display opening that faces the effective display area of the display panel body outward, and an inner surface of the outer peripheral flange portion that is located on the outer peripheral side along the opening edge of the display opening and has a tip And an abutment rib integrally formed with a height protruding from the opening edge toward the front protective plate, and held in combination with the front protective plate from the front side. And the outer peripheral flange portion includes a decorative frame member that borders the effective display area of the display panel body,
In the state where the decorative frame member is combined with the front side of the front protective plate and the effective display area of the display panel body is bordered by the outer peripheral flange portion, the abutment rib is not displayed on the display panel body. A panel-type display device, characterized in that a gap is formed between the main surface and the opening edge of the display opening by abutting against the main surface of the front protective plate at a position facing the region. An elastic material located in the non-display area and interposed between the display panel body and the front protective plate;
2. The panel type display device according to claim 1, wherein the abutment rib is formed integrally with the outer peripheral flange portion of the decorative frame member so as to face the elastic material.

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