KR100337364B1 - Hollow dischargable type plasma display panel device - Google Patents

Abstract

PURPOSE: A hollow discharge type plasma display panel is provided to improve efficiency and luminance of AC type plasma display panel by forming a hollow discharge space. CONSTITUTION: A front electrode glass plate(1) is formed as an upper layer. A rear electrode phosphor plate(9) is formed as a lower layer. An intermediate phosphor plate(5) is formed as an intermediate layer. A front ring-shaped electrode(2) and a front ring-shaped electrode connection line(3) are formed on the front electrode glass plate(1). A transparent electrode(4) is formed within a ring-shaped band of the front ring-shaped electrode(2). A dielectric and a protective layer are formed thereon. The intermediate phosphor plate(5) has a first discharge space(19). A phosphor(6) is coated on the inside of the first discharge space(19). A rear ring-shaped electrode(7) and a rear ring-shaped electrode connection line(8) are formed on the rear electrode phosphor plate(9). The dielectric and the protective layer are formed thereon. The phosphor(6) is coated within a ring-shaped band of the rear ring-shaped electrode(7).

Description

Hollow dischargable type plasma display panel device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hollow discharge type plasma display flat panel device having a high brightness and high efficiency AC-PDP (Plasma Display Panel) by providing a separate hollow discharge space. The present invention relates to a hollow discharge type plasma display flat panel device providing a high efficiency and high brightness of AC-PDP.

Conventional AC-PDP is difficult to overcome the limitations of low efficiency and low brightness because the discharge on the same plane between the discharge holding electrodes. In the conventional PDP, the two electrodes for discharging holding provided on the front glass plate are planar, and the two electrodes generate plasma by side discharge on one plane. This side discharge has a disadvantage of low efficiency because the electric field is very inefficient.

The present invention was devised to solve the above-mentioned conventional problems, and an object of the present invention is to provide a separate hollow discharge space so that a separate fluorescent tube replaces the discharge space caused by the conventional partition wall and the AC-PDP. It is to provide a hollow discharge plasma display flat panel device that provides high efficiency and high brightness.

1 is a basic structure of a face-down hollow discharge type plasma display flat panel device according to the present invention, in which FIG. 1A is a perspective view from which an assembly structure is separated, and FIG. 1B is a cross-sectional view taken along line AA ′ of the assembly structure of FIG.

FIG. 2 is an exploded perspective view 2a of a face hollow discharge type structure employing two electrode plates according to the present invention as an intermediate layer, and a cross-sectional view taken along line B-B 'of the assembly structure of FIG. 2a.

FIG. 3 is an exploded perspective view 3a of the face-down hollow discharge type structure in which the hollow discharge space according to the present invention is concave, and a small circular electrode is adopted as the back plate, and a cross-section 3b of the assembly structure C-C '.

FIG. 4 is an exploded perspective view 4a of a face-to-face hollow discharge type structure in which a hollow discharge space according to the present invention is concave in two layers and employs a small circular electrode on a back plate, and a sectional view taken along line D-D 'of the assembly structure.

5 is an exploded perspective view 5a of a face-to-face hollow discharge type structure in which a hollow discharge space according to the present invention is concave in two layers, and a protruding electrode is adopted on a back plate, and an E-E 'cross-sectional view 5b of an assembly structure. to be.

* Explanation of symbols for the main parts of the drawings

1: front electrode glass plate 2: front annular electrode

3: front annular electrode connection line 4: transparent electrode

5: intermediate phosphor 6: phosphor

7: rear annular electrode 8: rear electrode connecting line

9 back electrode fluorescent plate 10 dielectric layer and protective film

11 front electrode plate 12 front inner wall annular electrode

13 rear electrode plate 14 rear inner wall annular electrode

15 concave fluorescent intermediate plate 16 rear electrode

17: dual intermediate fluorescent plate 18: protruding rear electrode

19: first discharge space 20: second discharge space

21: third discharge space 22: fourth discharge space

23: fifth discharge space 91: rear fluorescent plate

92: rear panel 111: front glass plate

121: front inner wall annular electrode connecting line 141: rear inner wall annular electrode connecting line

161: rear electrode connecting line

In order to achieve the above object, the present invention is configured by bonding the front electrode glass plate in the upper layer, the intermediate fluorescent plate in the middle layer and the rear electrode fluorescent plate in the lower layer, wherein the front electrode glass plate has an annular band-shaped front annular shape that causes discharge in the discharge space. And a transparent electrode having a front annular electrode connection line connected to an electrode and the front annular electrode at a bottom thereof and coated inside an annular band of the front annular electrode, wherein the intermediate fluorescent plate has a diameter outside the front annular electrode of the front glass plate. Its diameter and arrangement is the same, and the inner wall includes a first discharge space in the form of a hole coated with phosphor, and the rear electrode fluorescent plate is the same as the diameter and arrangement of the first discharge space of the intermediate fluorescent plate and has an annular band. Back annular electrode applied in the form, back annular electrode connecting line connected to the back annular electrode, and the phase The back comprises a phosphor coating on the inside an annular strip of the ring-shaped electrode,

The front glass plate, the front electrode plate, the middle fluorescent plate, the rear electrode plate, and the rear fluorescent plate are bonded to each other in the order from the upper layer to the lower layer, and the front electrode plate is formed on the inner wall of the hole-shaped second discharge space and the second discharge space. A front inner wall annular electrode and a front inner wall annular electrode connecting line connected to the front inner wall annular electrode and applied to a bonding surface facing the front glass plate, wherein the intermediate fluorescent plate is formed of the second discharge space of the front electrode plate. The first discharge space is the same as the diameter and its arrangement, and the inner wall includes a first discharge space coated with a phosphor, the rear electrode plate is the same as the diameter and the arrangement of the first discharge space of the intermediate fluorescent plate and the inner wall of the rear inner wall annular electrode A coated third discharge space, and a rear inner wall annular electrode connecting line connected to the rear inner wall annular electrode, and wherein the rear plate comprises: A third discharge space and abuts part of the plate comprises a phosphor coated with the same diameter as the third discharge space,

The front glass plate, the front electrode plate, the concave fluorescent intermediate plate and the back plate are bonded to each other in the order from the upper layer to the lower layer, and the front electrode plate is applied to the inner wall of the hole-shaped second discharge space and the second discharge space. And a front inner wall annular electrode connecting line connected to the front inner wall annular electrode and the front inner wall annular electrode and coated on a bonding surface facing the front glass plate, wherein the concave fluorescent intermediate plate includes a junction portion with the front electrode plate. It is the same as the diameter and arrangement of the second discharge space of the front electrode plate, and the concave shape becomes narrower toward the opposite side from the bonding surface with the front electrode plate, and the inner wall includes a fourth discharge space coated with phosphor. And, the back plate, the rear electrode and the rear electrode coated in the same manner as the diameter and the arrangement of the fourth discharge space of the concave fluorescent intermediate plate Connected back to an electrode connector,

The front glass plate, the front electrode plate, the intermediate fluorescent plate, the double intermediate fluorescent plate and the back plate are bonded to each other in the order from the upper layer to the lower layer, and the front electrode plate is formed on the inner wall of the second discharge space in the form of a hole and the second discharge space. A front inner wall annular electrode and a front inner wall annular electrode connecting line disposed on a bonding surface facing the front glass plate and connected to the front inner wall annular electrode, wherein the intermediate fluorescent plate has a diameter of a second discharge space of the front electrode plate. And a first discharge space in which the phosphor is coated on the inner wall of the same arrangement, wherein the double intermediate fluorescent plate is smaller than the diameter of the first discharge space of the intermediate fluorescent plate, and the fifth discharge space on which the phosphor is coated on the inner wall; And a phosphor coated on a surface exposed to the first discharge space of the intermediate fluorescent plate when bonded to the intermediate fluorescent plate. Plates, comprising the dual fluorescent plate intermediate the back electrode connection lines connected to the back electrode and the back electrode to be smaller than the diameter of the coating 5 of the discharge space,

The rear electrode is a protruding rear electrode protruding into the hollow discharge space of the intermediate fluorescent plate and the dual intermediate fluorescent plate,

The shapes of the first, second, third, fourth and fifth discharge spaces, the front annular electrode and the rear annular electrode may be an ellipse or a polygonal annular shape.

Hereinafter, with reference to the accompanying drawings will be described the present invention in more detail.

1 is a basic structure of a face-down hollow discharge type plasma display flat panel device according to the present invention, in which FIG. 1A is a perspective view from which an assembly structure is separated, and FIG. 1B is a cross-sectional view taken along line A-A 'of the assembly structure of FIG.

As shown in the figure, three layers of an upper electrode glass plate 1 in the upper layer, an intermediate fluorescent plate 5 in the middle layer, and a rear electrode fluorescent plate 9 in the lower layer are bonded to each other.

The front annular electrode connecting line 3 connecting the front annular electrode 2 and the front annular electrode 2 in the form of an annular band is coated on the front electrode glass plate 1. Inside the annular band of the front annular electrode 2, a transparent electrode 4 may be applied or a front annular electrode may be used as a transparent electrode and the surroundings may be applied in an annular manner for the connecting electrode. Then, as shown in FIG. 1B, a dielectric layer and a protective film 10 are applied thereon.

The intermediate fluorescent plate 5 having the first discharge space 19 in the form of a hole (hollow) having a size of the front annular electrode diameter is manufactured as an intermediate layer for the discharge space. The phosphor 6 is applied to the inside of the annular wall in the first discharge space 19 of the intermediate fluorescent plate 5. For the color display device, red, green, and blue phosphors are coated on the inner walls of each of the three first discharge spaces.

The rear annular electrode 7 is applied to the rear plate 9 in the form of an annular band like the front annular electrode 2, the rear annular electrode connecting line 8 is applied, and a dielectric and a protective film 10 are applied thereon. The phosphor 6 having the same color as that of the phosphor coated on the inner wall of the first discharge space is coated inside the annular band of the rear annular electrode 7.

In some cases, the phosphor may not be applied to the inner wall of the first discharge space of the intermediate fluorescent plate 5 but may serve as a partition wall. 1A is shown in FIG. 1B without showing the dielectric layer and the protective film 10 applied to the electrode.

Thus, the discharge occurs in the first discharge space between the annular electrode of the front electrode glass plate 1 and the rear electrode fluorescent plate 9. At this time, the electrode connecting lines 3 and 8 of the front electrode glass plate 1 and the rear electrode fluorescent plate 9 are connected in different directions, and each pixel forms a lattice.

Also, various modified structures can be adopted based on the structure of FIG. In particular, the transparent electrode inside the front annular electrode 2 of FIG. 1 or the phosphor inside the rear annular electrode 7 may be formed in a concave annular surface to apply a transparent electrode and a phosphor, respectively. In addition to the annular shape of the pixel, an ellipse, a rectangle, or a polygonal shape may be adopted.

Various modified application structures as another embodiment of the present invention are described in the following FIGS. 2 to 5.

FIG. 2 is an exploded perspective view 2a of a face hollow discharge type structure in which two electrode plates according to the present invention are adopted as a double intermediate layer and a BB 'cross-sectional view 2b of the assembly structure shown in FIG. 2a, wherein the face hollow discharge type of FIG. In the basic structure of the electrode structure, a separate perspective view (FIG. 2A) of the PDP adopting a double intermediate electrode layer by applying the electrodes applied to the front electrode glass plate and the rear electrode fluorescent plate to the separate electrode plates 11 and 13, and a cross-sectional view of the assembly structure (FIG. 2b).

The front glass plate 111, the front electrode plate l1, the middle fluorescent plate 5, the rear electrode plate 13, and the rear fluorescent plate 91 are bonded to each other in the order from the upper layer to the lower layer.

The intermediate fluorescent plate 5 is the same as the structure of FIG. The phosphor 6 of the rear fluorescent plate 91 is coated with the width of the holes (first, second and third discharge spaces) 19, 20, 21 of intermediate layers larger than the diameter of the phosphor applied to the rear electrode fluorescent plate of FIG. 1. . A front inner wall annular electrode 12 and a rear inner wall annular electrode 14 are applied to the inner walls of the second and third discharge spaces, respectively, and the front inner wall annular electrode connecting line 121 and the rear inner wall annular electrode connecting line 141 are respectively disposed in different directions. It is provided with a double intermediate layer between the front electrode glass plate and the rear fluorescent plate. In addition, the front and rear inner wall annular electrodes 12 and 14 are coated with a dielectric layer and a protective film 10 as shown in FIG. 2B for alternating current type discharge. FIG. 2B is a cross-sectional view taken along line BB ′ of FIG. 2. The electrodes are formed of columnar annular electrode structures 12, 14 on separate plates 11, 13 of the intermediate layer. This structure is to improve the transmittance of visible light to the front glass plate 111 by widening the light emitting surface of the phosphor and increasing the aperture ratio by removing the portion covering the fluorescent surface in the planar annular electrode structure as shown in FIG.

Meanwhile, in the structure of FIG. 2, a method of removing the front electrode plate 11 and applying a planar annular electrode (2 of FIG. 1) to the front electrode glass plate 1 of FIG. 1 may be adopted.

FIG. 3 is an exploded perspective view 3a of a face-down hollow discharge type structure in which a hollow discharge space according to the present invention is concave, and a small circular electrode is adopted as a back plate, and a CC 'cross-sectional view 3b of an assembly structure. FIG. 3A is an exploded perspective view (FIG. 3A) and a cross-sectional view (FIG. 3B) of the PDP in which the fourth discharge space of the fluorescent plate is used as the concave structure in the facing hollow discharge type electrode structure.

The front glass plate 111, the front electrode plate 11, the concave fluorescent intermediate plate 15, and the back plate 92 are bonded to each other in the order from the upper layer to the lower layer.

The intermediate fluorescent plate 5 of FIG. 2 is replaced with a concave fluorescent intermediate plate 15 having a fourth discharge space having a concave structure having a wide upper hole and a lower lower portion, and the rear electrode plate 13 of FIG. 2 and The rear fluorescent plate 91 is applied to the rear annular electrode 16 so as to match the size of the lower hole of the fourth discharge space of the concave fluorescent intermediate plate 15, and the rear plate coated with the dielectric layer and the protective film 10 thereon ( 92).

The upper hole of the fourth discharge space 22 of the concave fluorescent intermediate plate 15 is wide and the narrow structure of the lower part is to increase the reflection of light to the front glass plate 111 by reflecting light emitted from the phosphor 6. to be. Unlike FIG. 1 or 2, the rear electrode has a smaller structure than the front electrode, and is connected to the rear electrode connecting line 161.

The dielectric layers and the protective film 10 are applied to the electrode surfaces 12 and 16 as shown in FIG. 3B for alternating current discharge.

In addition, in the structure of FIG. 3, a method of removing the front glass plate 111 and the front electrode plate 11 and applying a planar annular electrode (2 of FIG. 1) to the front electrode glass plate 1 of FIG. 1 may be adopted. have.

4 is an exploded perspective view 4a of a face-down hollow discharge type structure in which the discharge space according to the present invention is concave in two layers and employs a small circular electrode on the back plate, and a DD 'cross-sectional view 4b of the assembly structure. FIG. 2 is an exploded perspective view (FIG. 4A) and a cross-sectional view (FIG. 4B) of an assembly structure of a PDP adopting a concave structure similar to that of FIG. 3 with double fluorescent plates in the facing hollow discharge type electrode structure of FIG.

The front glass plate 111, the front electrode plate 11, the intermediate fluorescent plate 5, the double intermediate fluorescent plate 17 and the rear plate 92 are bonded to each other in the order from the upper layer to the lower layer.

When the rear electrode plate 13 of FIG. 2 is smaller than the diameter of the first discharge space 19 of the intermediate fluorescent plate 5 and has a fifth discharge space coated with phosphors on the inner wall thereof, the intermediate electrode is bonded to the intermediate fluorescent plate. A double intermediate fluorescent plate 17 coated with a phosphor on a portion exposed to the first discharge space of the fluorescent plate is replaced, and the rear tube plate 91 of FIG. 2 is replaced by the rear plate 92 of FIG.

As described above, the holes in the upper layers of the hollow discharge spaces 19, 20, and 23 are wide and the narrow structures in the lower layers are for improving the reflection of light to the front glass plate by making the light emitted from the phosphor 6 be a reflection type. Then, the electrode of the back plate 92 is made small and coated with a dielectric and a protective film 10 thereon as shown in FIG. 4B.

Meanwhile, in the structure of FIG. 4, a method of removing the front glass plate 111 and the front electrode plate 11 and applying a planar annular electrode (2 of FIG. 1) to the front electrode glass plate 1 of FIG. 1 may be adopted. have.

5 is an exploded perspective view 5a of a face-to-face hollow discharge type structure in which a hollow discharge space according to the present invention is concave in two layers and a protruding electrode is adopted on the back plate, and an EE 'cross section 5b of an assembly structure. In the face hollow discharge electrode structure of FIG. 4, the rear electrode of the rear plate 92 is a concave structure, and the protrusion rear electrode 18 protruding the electrode into the discharge space is adopted.

As described above, according to the present invention, a hollow discharge type plasma display flat panel device having a separate hollow discharge space and providing a high efficiency and high brightness of AC-PDP by replacing a conventional fluorescent space with a separate fluorescent plate is provided. Can be provided.

Claims (7)

The upper electrode glass plate on the upper layer, the middle fluorescent plate on the middle layer and the rear electrode fluorescent plate on the lower layer is composed of mutually The front electrode glass plate includes an annular band-shaped front annular electrode causing a discharge in a discharge space and a front annular electrode connecting line connected to the front annular electrode at a bottom thereof, and includes a transparent electrode coated inside the annular band of the front annular electrode. To; The intermediate fluorescent plate, the diameter of which is equal to the outer diameter of the front annular electrode of the front glass plate and its arrangement, and includes a first discharge space in the form of a hole coated with a phosphor on an inner wall thereof; And, The rear electrode fluorescent plate is the same as the diameter and the arrangement of the first discharge space of the intermediate fluorescent plate, the rear annular electrode coated in the form of an annular band, the rear annular electrode connecting line connected to the rear annular electrode, and the annular of the rear annular electrode A hollow discharge plasma display flat panel device comprising a phosphor coated inside a strip. The front glass plate, the front electrode plate, the middle fluorescent plate, the rear electrode plate and the rear fluorescent plate are bonded to each other in order from the top layer to the bottom layer. The front electrode plate may include a second discharge space in the form of a hole, a front inner wall annular electrode applied to an inner wall of the second discharge space, and a front inner wall applied to a bonding surface opposite to the front glass plate and connected to the front inner wall annular electrode. An annular electrode lead; The intermediate fluorescent plate has a diameter equal to the diameter and arrangement of the second discharge space of the front electrode plate and includes a first discharge space coated with a phosphor on an inner wall thereof; The rear electrode plate may include a third discharge space having a diameter equal to the diameter of the first discharge space of the intermediate fluorescent plate and an arrangement thereof, the third discharge space having a rear inner wall annular electrode applied thereto, and a rear inner wall annular electrode connecting line connected to the rear inner wall annular electrode. Includes; And, And the back plate comprises a phosphor coated on the same portion as the third discharge space in a portion in contact with the third discharge space of the back electrode plate. The front glass plate, the front electrode plate, the concave fluorescent intermediate plate and the back plate are bonded to each other in order from the top layer to the bottom layer. The front electrode plate may include a second discharge space in the form of a hole, a front inner wall annular electrode applied to an inner wall of the second discharge space, and a front inner wall applied to a bonding surface opposite to the front glass plate and connected to the front inner wall annular electrode. An annular electrode lead; In the concave fluorescent intermediate plate, the diameter of the junction portion with the front electrode plate is the same as that of the second discharge space of the front electrode plate and its arrangement, and the diameter thereof becomes narrower from the bonding surface with the front electrode plate to the opposite side. A recessed concave shape, the inner wall including a fourth discharge space coated with a phosphor; And, The rear plate may include a rear electrode coated with the diameter and the arrangement of the fourth discharge space of the concave fluorescent intermediate plate and a rear electrode connecting line connected to the rear electrode. Device. The front glass plate, the front electrode plate, the middle fluorescent plate, the double middle fluorescent plate and the back plate are bonded to each other in order from the top layer to the bottom layer. The front electrode plate has a hole-shaped second discharge space, a front inner wall annular electrode applied to an inner wall of the second discharge space, and a front inner wall annular electrode disposed on a bonding surface facing the front glass plate and connected to the front inner wall annular electrode. An electrode connection line; The intermediate fluorescent plate has a diameter equal to the diameter and the arrangement of the second discharge space of the front electrode plate and includes a first discharge space coated with a phosphor on an inner wall thereof; The double intermediate fluorescent plate is applied to a fifth discharge space having a diameter smaller than the diameter of the first discharge space of the intermediate fluorescent plate and to a surface exposed to the first discharge space of the intermediate fluorescent plate when bonded with the intermediate fluorescent plate on the inner wall. Phosphors; And, And the back plate comprises a back electrode coated with a diameter smaller than a diameter of a fifth discharge space of the dual intermediate fluorescent plate, and a back electrode connecting line connected to the back electrode. The method of claim 4, wherein the back electrode, And a protruding rear electrode protruding into the hollow discharge space of the intermediate fluorescent plate and the dual intermediate fluorescent plate. 5. The hollow discharge plasma according to any one of claims 1, 2, 3 or 4, wherein the first, second, third, fourth and fifth discharge spaces, the front annular electrode and the rear annular electrode are elliptical. Display flatbed device. 5. The hollow room according to any one of claims 1, 2, 3 or 4, wherein the shapes of the first, second, third, fourth and fifth discharge spaces, the front annular electrode and the rear annular electrode are polygonal annular. Typical plasma display flat panel device.