JP2000148039A - Filter fitting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the filter fitting structure which make it possible to mount and demount an optical filter on and from a flat panel display device such as a large-size PDP without detaching a front case from a rear case. SOLUTION: The fitting structure of a filter which is used for the flat display device such as a large-size PDP for the purpose of color correction, light shielding, etc., is composed of the rear case 4 fitted with the display device, a filter panel 5, the front case 6 having positioning parts 6a and 6b as a standard for positioning the filter panel 5, filter metal fittings for fitting the filter panel 5 to the front panel 6, a clamping component 8 for fixing the filter metal fittings to the front case 6 across the filter panel 5, and a front vessel arranged in the front of the front case 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a mounting structure of an optical filter panel in a flat panel display device such as a large PDP.

[0002]

2. Description of the Related Art A conventional filter panel mounting structure will be described with reference to an exploded view of a conventional filter panel mounting structure shown in FIG. FIG. 1 is a view of a large PDP display device as viewed from the back. PDP,
The left drive circuit, drive power supply, signal input unit, and the like are mounted. On the other hand, a filter panel 5 and a front case 6 are mounted for both correcting the emission color of the PDP and preventing electromagnetic radiation. On the outside, that is, on the display output surface side, a front bezel 10 is screwed to the rear case 4 so as to cover the front case 6. The filter panel 5 includes a filter section 5a in which a correction color process is performed on a surface of a glass plate,
It is composed of a mask portion 5b that has been subjected to a light-shielding process around the PDP, and a process for preventing electromagnetic radiation such as a transparent electrode is performed over the entire surface. The four sides of the filter panel are held by metal fittings 7r, 7u, 7l, 7b made of metal plates. Fastening of small screws 8 and the like to a metal or metal-plated resin front case is also performed. Screwed with parts. The front case 6 is screwed to a housing in the rear case 4 on which the PDP is mounted. PD
If the P display device is used for a long period of time, the inside surface of the filter panel and the outside surface of the PDP become stained, and the emission luminance decreases. If the filter panel and PDP are attached closely,
This can be prevented, but on the other hand, there is a problem that the heat of the PDP is directly transmitted to the filter panel and the filter panel surface becomes hot. When cleaning the above-described dirt at the installation site, the PDP display device is first removed from the installation table or the installation shelf. Next, it is necessary to disassemble the rear case 4, the front bezel 10, the front case 6, and the filter panel in this order, which causes a problem that the operation becomes large. In the assembly after cleaning, the reverse work is performed. However, since a single operator handles the filter panel 5 having a length of about 1 m, problems such as damaging or soiling the filter panel 5 often occur. For this reason, there is a demand for a filter panel mounting structure that does not involve a major disassembly operation.

[0003]

SUMMARY OF THE INVENTION In view of the above-described problems, the present invention enables a filter mounted on a flat panel display device such as a large PDP to be attached and detached without removing a front case from a rear case. The purpose is to propose a filter mounting structure.

[0004]

SUMMARY OF THE INVENTION In a filter mounting structure for color correction and light shielding used in a flat display device such as a large PDP, a rear case on which a display device such as a PDP is mounted, a filter, A front case having a positioning portion serving as a reference for positioning the filter; a filter mounting bracket for mounting the filter to the front case; a fastening component for fixing the mounting bracket to the front case with the filter interposed; and a front part of the front case. It consists of the front bezel installed.

[0005] The positioning part for mounting the filter is a flat plate having a flat shape obtained by bending a part of the front case, and the lower end and the side end of the filter are positioned against the flat plate.

The positioning portion for mounting the filter is a hook plate having a hook portion for bending a part of the front case and hooking the filter mounting bracket to the front case when mounting the filter. Position it against the flat plate.

In a filter mounting structure for color correction and light shielding used in a flat display device such as a large PDP, a rear case on which a display device such as a PDP is mounted, a filter, and positioning of the filter are set. A front case having a positioning guide serving as a reference, a filter mounting bracket having a bent portion to be inserted into the positioning guide and mounting the filter on the front case, and a fastening component for fixing the mounting bracket to the front case with the filter interposed therebetween And a front bezel disposed on the front of the front case.

The positioning guide is a square hole or a square groove.

The filter mounting bracket is provided with a guide portion for determining the mounting position of the side end of the filter.

[0010] The bent portion may be a flat plate having a flat shape, or a hook plate having a hook portion for hooking the filter mounting bracket to the front case when mounting the filter.

In a filter mounting structure for color correction and light shielding used for a flat display device such as a large-sized PDP, a rear case on which a display device such as a PDP is mounted, a filter, and positioning of the filter are determined. A front case having a guide pole serving as a reference, a filter mounting bracket having a guide hole into which the guide pole is inserted, and mounting a filter to the front case; a fastening component for fixing the mounting bracket to the front case with the filter interposed; It consists of a front bezel installed on the front of the case.

The guide pole may be a male screw having a mounting guide at a root portion, a pole having a mounting guide at a root portion and a female screw hole at an upper end portion, a split groove shape pole having elasticity, or A pole having a mounting guide at the base and a plurality of grooves or uneven rings at the top.

[0013] The fastening component may be a small screw having a male screw, a nut having a female screw, a speed nut or a speed ring having a fastening force to the pole itself, or up to a center hole in the outer peripheral portion of the nut. A groove is formed, and a substantially U-shaped spring is inserted between the outer peripheral portion and the groove on the opposite side of the groove, thereby forming a speed nut having a fastening force to the pole itself.

In a filter mounting structure for color correction and light shielding used in a flat display device such as a large PDP, a rear case on which a display device such as a PDP is mounted, a filter, and positioning of mounting of the filter. A front case having a positioning plate serving as a reference, a filter mounting bracket having a guide hole inserted into the positioning plate, and mounting a filter on the front case;
It consists of a front bezel installed on the front of the front case.

[0015] The positioning plate may be an elastic plate having a plurality of lock shapes and formed substantially perpendicular to the mounting surface of the filter mounting bracket, or may have a plurality of lock shapes and a split groove, The elastic plate is formed substantially perpendicular to the mounting surface of the mounting bracket.

The four sides of the filter mounting bracket have an integral structure.

[0017] The guide hole of the filter mounting bracket may be a substantially quadrilateral or one side straight hole, or a substantially quadrilateral or one side straight hole, and a locking function of the positioning plate is mounted.

When the filter mounting bracket is fixed, a wedge-shaped fastening component is inserted into a guide hole of the mounting bracket.

[0019]

FIG. 1 is an exploded structural view of a first embodiment of a filter panel mounting structure (expressed as a filter mounting structure in the claims) according to the present invention. Large PDP
Since the entire structure of the display device has already been described in the prior art, the front bezel (10 in FIG. 5) is omitted from the drawing and is an exploded structural view as viewed from the display surface side. Hereinafter, the drawings for explanation according to the present invention are shown from the same viewpoint. In the first embodiment, the PDP 1 has a driving circuit on the back surface,
PDP mounting brackets 3r, 3
u, 31 and 3b, and screwed to the rear case 4 with fastening parts 3a such as small screws. The front case 6 includes mounting bosses 4a and 4b arranged on the rear case.
It is structured to be screwed on. Generally the front case 6
Are made of a metal plate or a metal-plated molding resin for the purpose of shielding electromagnetic radiation radiated from the PDP. The filter panel 5 has a P
A filter section in which an optical filter is formed for correction color processing of the DP emission color, a mask section 5b in which a peripheral portion is subjected to a light-shielding mask process, and a process for preventing electromagnetic radiation such as a transparent electrode are provided over the entire surface. The filter panel 5 is held on four sides by mounting brackets 7r, 7u, 7l, 7b, and is screwed to the front case 6 by fastening parts 8 such as female screws.

When the filter panel 5 is mounted, P
It is necessary to accurately determine the positional relationship between the effective display section 1a of the DP1 and the mask section 5b. For this reason, the front case 6 has two positioning parts 6a and 6b at the upper right and lower left of the center window.
Is provided. First, the filter panel 5 and the front case 6 are accurately positioned by touching the right end of the filter panel 5 to the upper right positioning portion 6a with the lower end of the filter panel 5 touching the lower left positioning portion 6b. You. Even if the PDP display is installed vertically,
By using this positioning part 6b, the filter panel 5 can be held with one hand. In this state, the upper mounting bracket 7u and the lower mounting bracket 7b. . . . Can be installed in the order of As shown in the sectional view taken along line AA ′ of (b), the positioning portion has a flat plate 6 in which a part of the front case 6 is bent, or a part of the front case 6 which is bent and hooked. There is a hook plate 6b1 having a portion. The use of the hook plate 6b1 having the hook portion has an effect of preventing the filter panel 5 from falling off during the mounting operation.

FIG. 2 is an exploded structural view of a second embodiment of the filter panel mounting structure according to the present invention. Since the description of the rear case 4 has been described in the first embodiment, the description is omitted below. Front case 16 of second embodiment
Have positioning guides 16a and 16b serving as a reference for positioning the filter mounting, and have filter mounting brackets 17r and 17r.
7u, 17l, 17b have bent portions to be inserted into the positioning guides 16a, 16b. The filter panel 5 is mounted on the front case 16 by being sandwiched between filter mounting brackets 17r, 17u, 17l, 17b.

The shapes of the positioning guides 16a and 16b are as follows.
There is a square hole diagram 2 (a) or a square groove (c), but the effect is the same even if it is a round hole or a polygonal hole depending on the shape of the bent portion of the filter mounting bracket. The mounting bracket U17f shown in (2) is provided with a guide portion at the left end, and the guide portion has a role of a left and right positioning guide for the filter panel 5. Filter mounting brackets 17r, 17u,
By inserting the bent portions 17l and 17b into the positioning guides 16a and 16b of the front case 16, the filter panel 5 is mounted with high positional accuracy. Mounting bracket U
When 17f is used, the positioning guides 16b of the front case need only be provided at two lower positions. The shape of the bent portion of the filter mounting bracket includes a flat plate (1) having a flat shape or a hook plate (2) having a hook portion, as shown in (b) AA 'cross-sectional view. In the case of the plate (2), the filter mounting bracket 17b can be hooked to the front case 16 when the filter panel 5 is mounted.

FIG. 3 is an exploded structural view of a third embodiment of the filter panel mounting structure according to the present invention. The front case 26 has guide poles 26a, 26b, 26c serving as a reference for mounting and positioning the filter panel 5, and the filter mounting bracket 27 having four sides integrated has a guide hole 27a into which the guide pole is inserted. Filter panel 5
Is mounted in the filter mounting bracket 27 in advance,
Attach it to the front case 26. Note that the filter mounting bracket 27 can exert the same effect without necessarily forming the four sides integrally, but goes against the effect of reducing the number of parts. The filter mounting bracket 27 is manufactured by manufacturing means such as bending an L-shaped angle, welding or riveting the L-shaped angle, or molding.

As for the guide poles, four types of embodiments can be used as shown in various guide poles in FIG. In the first example, a pole (1) having a mounting guide at the base and a female screw hole 26a1 at the upper end, and a filter mounting bracket 27 screwed to the front case 26 with a small screw or a speed nut as a fastening component 28. Wear or pinch. The second example is a pole (2) having a male screw 26a2 having a mounting guide at a base portion.
It is screwed or pinched with a nut or speed nut. A third example is a pole (3) having a shape of a split groove 26a3 having elasticity, and the filter mounting bracket 27 is fixed by a spring action of the split groove portion. The fourth example is a pole (4) having a mounting guide at the base and a plurality of grooves or uneven rings 26a4 at the top, and a speed nut or FIG.
As shown in (c), a groove reaching the center hole is formed in the outer peripheral portion of the nut, and a substantially U-shaped spring is inserted between the outer peripheral portion or the groove on the opposite side of the groove, and the fastening force to the pole itself is increased. With a speed nut or the like.

FIG. 4 is an exploded structural view of a fourth embodiment of the filter panel mounting structure according to the present invention. The front case 36 has a positioning plate 36a serving as a reference for positioning for mounting the filter panel 5, and the filter mounting bracket 37 having four sides integrated has a guide hole 37a to be inserted into the positioning plate 36a. . In the first embodiment of the positioning plate 36a shown in FIG. 4B, the front case 36 serves as a reference for mounting the filter panel 5, and is formed of an elastic plate substantially perpendicular to the mounting surface of the filter mounting bracket 37. 37a. The filter mounting bracket 37 having four sides integrated has a substantially rectangular or one-sided linear hole or a substantially quadrilateral or one-sided linear guide hole 37a. The filter panel 5 is mounted on the front case 36 in a state where the filter panel 5 is mounted in the filter mounting bracket 37 in advance.

The elastic plate 37 a has a plurality of lock shapes, and an elastic plate (1) formed substantially perpendicular to the mounting surface of the filter mounting bracket 37, or an elastic plate having a plurality of lock shapes and split grooves. (2) and the like. When the filter mounting bracket 37 is mounted along the guide hole 37a along the elastic plate 37a and inserted to the deepest part,
The elastic plate 37a is fixed by the lateral pressure. Further, when a wedge-shaped fastening component is inserted into the guide hole 37a, it can be more securely fixed.

In all of the four embodiments described above, the filter panel 5 can be attached and detached by attaching and detaching a front bezel (10 in FIG. 5), which is not shown. Positioning unit 6
a, 6b, positioning guides 16a, 16b, guide poles 26a, 26b, 26c, or positioning plate 3
6a and the like support the filter panel 5 and facilitate the attachment / detachment work.

[0028]

The present invention is embodied as described above, and has the following effects. The filter panel mounting structure using the front panel, the filter mounting bracket, the fastening part, and the like according to the present invention can be mounted and removed without removing the front case from the rear case. Therefore, it was possible to propose a filter panel mounting structure in which a filter panel can be attached and detached while a display device such as a PDP is mounted on a wall or the like.

[Brief description of the drawings]

FIG. 1 is an exploded structural view of a first embodiment of a filter panel mounting structure according to the present invention.

FIG. 2 is an exploded structural view of a second embodiment of the filter panel mounting structure according to the present invention.

FIG. 3 is an exploded structural view of a third embodiment of the filter panel mounting structure according to the present invention.

FIG. 4 is an exploded structural view of a fourth embodiment of the filter panel mounting structure according to the present invention.

FIG. 5 is an exploded view of a conventional filter panel mounting structure.

[Explanation of symbols]

 Reference Signs List 1 PDP 3, 3r, 3u, 31, 3b PDP mounting bracket 4 Rear case 5 Filter panel 5a Filter section 5b Mask section 6, 16, 26, 36 Front case 6a, 6b Positioning section 7, 17, 27, 37 Filter panel Mounting bracket 8, 9, 28 Fastening part 10 Front bezel 16a, 16b Positioning guide 26a, 26b, 26b Guide pole 36a Positioning plate

Claims (25)

[Claims] 1. Large PDP (Plasma Display Panel)
In a mounting structure of an optical filter (hereinafter abbreviated as a filter) for color correction or light shielding used in a flat display device such as a flat display device, a rear case on which a display device such as a PDP is mounted, the filter, and the filter A front case having a positioning portion serving as a reference for mounting positioning, a filter mounting bracket for mounting the filter to the front case, a fastening component for fixing the mounting bracket to the front case with the filter interposed therebetween, A filter mounting structure comprising a front bezel disposed on a front surface of a case, wherein the filter can be attached and detached without removing the front case from the rear case. 2. The filter according to claim 1, wherein the positioning portion for mounting the filter is a flat plate having a flat shape obtained by bending a part of the front case, and positioning the lower end and side end of the filter against the flat plate. The filter mounting structure according to claim 1, wherein: 3. The positioning plate for mounting the filter is a hook plate having a hook portion that bends a part of the front case and hooks the filter mounting bracket to the front case when mounting the filter. The filter mounting structure according to claim 1, wherein a lower end and a side end of the filter are positioned by contacting the flat plate. 4. A filter mounting structure for use in a flat display device such as a large-sized PDP for color correction and light shielding, wherein a rear case on which a display device such as a PDP is mounted; A front case having a positioning guide serving as a reference for positioning of the mounting, a bent portion inserted into the positioning guide, a filter mounting bracket for mounting the filter to the front case, and the filter mounting the filter to the filter. A fastening part that is sandwiched and fixed to the front case, and a front bezel disposed on the front surface of the front case, wherein the filter can be attached and detached without removing the front case from the rear case. Filter mounting structure. 5. The filter mounting structure according to claim 3, wherein the positioning guide is a square hole. 6. The filter mounting structure according to claim 4, wherein the positioning guide is a square groove. 7. The filter mounting structure according to claim 4, wherein the filter mounting bracket is provided with a guide portion for determining a mounting position of a side end of the filter. 8. The filter mounting structure according to claim 4, wherein the bent portion is a flat plate having a flat shape. 9. The filter mounting structure according to claim 4, wherein the bent portion is a hook plate having a hook portion for hooking the filter mounting bracket to the front case when mounting the filter. 10. A filter mounting structure used for a flat display device such as a large-sized PDP for color correction and light shielding, wherein a rear case on which a display device such as a PDP is mounted; A front case having a guide pole serving as a reference for mounting positioning; a guide hole having a guide hole to be inserted into the guide pole; a filter mounting bracket for mounting the filter on the front case; and A filter mounting comprising a fastening part fixed to a front case and a front bezel disposed on a front surface of the front case, wherein the filter can be attached and detached without removing the front case from the rear case. Construction. 11. A guide screw according to claim 10, wherein said guide pole is a male screw having a mounting guide at a base portion.
The filter mounting structure according to the above. 12. The filter mounting structure according to claim 10, wherein the guide pole is a pole having a mounting guide at a root portion and a female screw hole at an upper end portion. 13. The filter mounting structure according to claim 10, wherein said guide pole is a split groove-shaped pole having elasticity. 14. The filter mounting structure according to claim 10, wherein the guide pole is a pole having a mounting guide at a base portion and a plurality of grooves or concave and convex rings at an upper portion. 15. The filter mounting structure according to claim 10, wherein the fastening component is a small screw having a male screw. 16. The filter mounting structure according to claim 10, wherein the fastening component is a nut having a female screw. 17. The filter mounting structure according to claim 10, wherein the fastening component is a speed nut or a speed ring having a fastening force to the pole by itself. 18. The fastening part is formed with a groove which reaches the center hole in the outer peripheral portion of the nut, and a substantially U-shaped spring is inserted between the outer peripheral portion and the groove on the opposite side to the groove, and the nut is connected to the pole by itself. The filter mounting structure according to claim 10, wherein the filter mounting structure is a speed nut having a fastening force. 19. A filter mounting structure used for a flat display device such as a large-sized PDP for color correction and light shielding, wherein a rear case on which a display device such as a PDP is mounted; A front case having a positioning plate serving as a reference for mounting positioning; a filter mounting bracket having a guide hole inserted into the positioning plate, for mounting the filter to the front case; and a front surface of the front case. A filter mounting structure comprising a front bezel and a filter, wherein the filter can be attached and detached without removing the front case from the rear case. 20. The filter mounting according to claim 20, wherein the positioning plate is a resilient plate having a plurality of lock shapes and formed substantially perpendicular to a mounting surface of the filter mounting bracket. Construction. 21. The positioning plate according to claim 20, wherein the positioning plate is a resilient plate having a plurality of lock shapes and split grooves, and formed substantially perpendicular to a mounting surface of the filter mounting bracket. The filter mounting structure described. 22. The filter mounting structure according to claim 20, wherein the filter mounting bracket has an integral structure on four sides. 23. A guide hole of the filter mounting bracket,
21. The filter mounting structure according to claim 20, wherein a substantially quadrilateral or one side is a straight hole. 24. A guide hole of the filter mounting bracket,
21. The filter mounting structure according to claim 20, wherein a substantially quadrilateral or one side is formed as a straight hole, and a lock function of the positioning plate is mounted. 25. At the time of fixing the filter mounting bracket,
The filter mounting structure according to claim 20, wherein a wedge-shaped fastening component is inserted into a guide hole of the mounting bracket.