Plasma display module having embedded structure, and plasma display screen

Abstract

The present invention relates to a plasma display module having an embedded structure, comprising a first substrate and a second substrate arranged opposite to the first substrate. The surface of the first substrate facing the second substrate is provided with a leveling layer, the leveling layer being etched with first recesses and second recesses, and the surfaces of the first recesses, second recesses and leveling layer facing the second substrate all being provided with a conductive dielectric layer. The second substrate is provided with, extending in the direction towards the first substrate, first support structures and second support structures, ends of the first support structures facing away from the second substrate being embedded in the first recesses, ends of the second support structures facing away from the second substrate being embedded in the second recesses, and the second support structures surrounding a pixel electrode region. The present invention can limit a frame adhesive to a range, avoid uneven squeezing between a display paste and the adhesive and collapse of module and display screen edges, improve the flatness, and allow the first substrate and the second substrate to be an integral body so as to enhance pressure resistance and reduce the amount of cold and thermal deformation.

Description

Plasma display module with embedded structure and plasma display screen TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic display, in particular to a plasma display module with embedded structure and a plasma display screen. BACKGROUND

[0002] The existing plasma display screen structure is mainly composed of a glass substrate, a filter, an ITO layer and a plasma barrier weir from top to bottom, and a gap is left between the plasma barrier weir and the ITO layer to form a plasma flow passage. The upper and lower cover plates are easily deformed due to external force, and the screen has poor pressure resistance. Therefore, how to increase the overall structural strength of the screen, reduce the deformation of the upper and lower cover plates, and improve the overall pressure resistance of the display screen has become a technical problem to be solved by the technical personnel in the field.

[0003] At the same time, in the original production process, when the upper and lower glasses are covered, the edge of the plasma display screen structure has no support, and a support ball is usually added in the edge sealing glue to ensure that the edge will not collapse, but the precision of the support ball cannot be guaranteed, which causes the edge position to sink when the cover is pressed, and the whole surface is unevenly stressed, finally leading to uneven display medium, inconsistent edge display and central display. SUMMARY

[0004] The present application provides a plasma display module with embedded structure and a plasma display screen, which solves at least one of the technical problems mentioned in the background art.

[0005] The technical scheme of the present application is as follows: a plasma display module with embedded structure, comprising a first substrate and a second substrate arranged opposite to the first substrate;

[0006] The surface of the first substrate facing the second substrate is provided with a flow leveling layer, and the flow leveling layer is etched with a first groove and a second groove, and the first groove, the second groove and the surface of the flow leveling layer facing the second substrate are all provided with a conductive medium layer;

[0007] The surface of the second substrate facing the first substrate is provided with a pixel electrode area;

[0008] The second substrate is provided with a first support structure extending towards the first substrate, and one end of the first support structure away from the second substrate is embedded in the first groove;

[0009] The second substrate is provided with a second support structure extending towards the first substrate, and one end of the second support structure away from the second substrate is embedded in the second groove, and the second support structure surrounds the pixel electrode area.

[0010] Further, the surface of the first substrate facing the second substrate is provided with a filter layer, the leveling layer covers the surface of the filter layer facing the second substrate, and the filter layer comprises a plurality of color filters arranged at intervals.

[0011] Further, the depth of the first groove is equal to the thickness of the leveling layer.

[0012] Further, the depth of the first groove is equal to the sum of the thickness of the leveling layer and the thickness of the filter layer.

[0013] Further, the bottom width of the cross section of the first support structure and the second support structure is greater than or equal to the top width.

[0014] Further, the second support structure comprises a cofferdam or a plurality of support platforms arranged at intervals.

[0015] Further, when the second support structure is a cofferdam, the second support structure is provided with air holes.

[0016] Further, the first groove and the first support structure are filled with an adhesive medium, the second groove and the second support structure are filled with an adhesive medium, the adhesive medium is used to wrap the top of the first support structure and the second support structure, and after curing firmly, the first substrate and the second substrate are connected as a whole.

[0017] Further, the first substrate and the second substrate form a plasma display cavity, and the plasma display cavity is filled with plasma particles.

[0018] Another technical solution of the present application is as follows: a plasma display screen with an embedded structure, comprising the plasma display module with the embedded structure as described above.

[0019] The present application has the following beneficial effects: the present application embeds the upper end of the first support structure into the first groove by arranging the first groove, thereby clamping the upper and lower substrates together, thereby increasing the strength of the overall structure of the display screen, perfectly solving the problems of pressure resistance and ring measurement, and arranging the second support structure at the edge of the module, effectively solving the problem of no support at the edge of the module, and improving the consistency of edge display and middle display. The present application distributes the second support structure in the area outside the display area, embeds the upper end into the first groove, limits the range of frame glue, prevents the display paste and glue from being squeezed irregularly, prevents the edge of the module and the display screen from collapsing, and improves the flatness. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a schematic diagram of the cross-sectional structure of the present application.

[0021] Fig. 2 is a schematic diagram of the first groove embodiment one of the present application.

[0022] Figure 3 is a schematic diagram of a second embodiment of the first recess according to the present application.

[0023] Figure 4 is a schematic diagram of a first substrate according to the present application.

[0024] Figure 5 is a schematic diagram of a second substrate according to the present application.

[0025] Figure 6 is a schematic diagram of a second substrate according to the present application.

[0026] Figure 7 is a schematic diagram of a second substrate according to the present application.

[0027] Figure 8 is a schematic diagram of a top view according to the present application.

[0028] Figure 9 is a schematic diagram of a cross-sectional structure of a filled adhesive medium according to the present application. DETAILED DESCRIPTION

[0029] In order to make the technical scheme of the present application better understood by those skilled in the art, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the accompanying drawings of the embodiments of the present application. The described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor should fall within the scope of protection of the present application.

[0030] In one technical scheme of the present application, Figure 1 is a schematic diagram of a cross-sectional structure of a plasma display module with an embedded structure according to an embodiment of the present application. The embodiment is a black-and-white module, and a filter layer needs to be added if color display is required. The embodiment of adding color is described below.

[0031] As shown in Figure 1, the present application specifically includes: a first substrate 110 and a second substrate 210 arranged opposite to the first substrate 110. The first substrate and the second substrate can adopt a glass substrate, and the second substrate can adopt a TFT (Thin Film Transistor) glass substrate.

[0032] The surface of the first substrate 110 facing the second substrate 210 is provided with a flow leveling layer 150, and the flow leveling layer 150 is etched with a first recess 130 and a second recess 170. The first recess 130 and the flow leveling layer 150 both are provided with a conductive medium layer 140 facing the surface of the second substrate 210. The material of the conductive medium layer can be ITO.

[0033] The surface of the second substrate 210 facing the first substrate 110 is provided with a pixel electrode area 240. The pixel electrode area 240 includes a plurality of pixel electrodes distributed in an array.

[0034] The second substrate 210 is provided with a first support structure 220 extending towards the first substrate 110, one end of the first support structure 220 away from the second substrate 210 is embedded in the first groove 130.

[0035] The second substrate 210 is provided with a second support structure 230 extending towards the first substrate 110, one end of the second support structure 230 away from the second substrate 210 is embedded in the second groove 170, and the second support structure 230 surrounds the pixel electrode area 240, specifically, the second support structure is arranged at a position outside the display area of the plasma display module.

[0036] In an embodiment of the present technology, as shown in FIG. 2 and FIG. 3, the first substrate 110 is provided with a filter layer 120 towards the surface of the second substrate 210, the flow leveling layer 150 covers the surface of the filter layer 120 towards the second substrate 210, and the filter layer 120 includes a plurality of spaced color filters. Wherein, the color filter includes but is not limited to RGB three-color filter. This embodiment is an embodiment of a color module, which makes the module a color display module after adding the filter layer.

[0037] As shown in FIG. 2, the depth of the first groove 130 is equal to the thickness of the flow leveling layer, and a gap gap is arranged between adjacent color filters, and the first groove 130 covers the gap gap. Wherein, the first groove 130 can be arranged at the corner or other position of the color filter.

[0038] As shown in FIG. 3, this embodiment specifically refers to stopping etching when etching the first groove to the glass substrate, so that the depth of the first groove 130 is equal to the thickness of the flow leveling layer 150 plus the thickness of the filter layer. The first groove 130 is located between adjacent color filters, and can be arranged at the corner or other position of the color filter. The depth of the first groove 130 ranges from 0.01um to 10um, preferably 1-6um.

[0039] In an embodiment of the present technology, the bottom width of the cross section of the first support structure 220 and the second support structure 230 is greater than or equal to the top width. Preferably, the cross section of the first support structure 220 and the second support structure 230 can be trapezoidal structure. It should be noted that the cross section of the first support structure and the second support structure can also be other shapes, so it is not limited here.

[0040] As shown in FIG. 6 and FIG. 7, the first support structure 220 can be a column structure, which can be a cuboid, a cylinder or other irregular body structure. When the first support structure is a cuboid, the top thereof is square, and when the first support structure 220 is a cylinder, the top of the first support structure 220 is circular. It should be noted that the first support structure can also be other irregular shapes, which are not limited herein.

[0041] It should be noted that, as shown in FIG. 4 and FIG. 5, the shape of the first groove is matched with the shape of the top of the first support structure 220, which is square or circular or other irregular shape.

[0042] By embedding the first support structure 220 into the first groove 130 of the filter layer, the upper and lower substrates are supported, so as to be clamped together, thereby increasing the strength of the overall structure of the display screen, reducing the deformation of the upper and lower covers caused by external force, and improving the overall pressure resistance. In the actual manufacturing process, the first support structure 220 can be formed on the first substrate 110 first and then connected with the second substrate 210, or formed on the second substrate 210 first and then connected with the first substrate 110, which is not limited herein.

[0043] The density of the first support structure 220 ranges from one support structure for one pixel electrode to 10,000 support structures for one pixel electrode. Preferably, there is one support structure within 500 pixel electrodes. The height of the first support structure 220 ranges from 1 to 30 um, and preferably from 5 to 25 um.

[0044] As shown in FIG. 8, the second support structure can be a cofferdam or a structure formed by surrounding a plurality of support platforms. The second support structure is arranged around the display area or the edge of the display module, and the common point of the two is that the cross section of the second support structure 230 can be a trapezoidal structure.

[0045] When the second support structure 230 is a cofferdam, the second support structure 230 is provided with an air hole 250. The air hole functions to discharge the gas in the module when the first substrate is connected with the second substrate.

[0046] The second support structure can be provided with one or more circles, and therefore the number of the second support structure is not limited herein. FIG. 8 is a schematic view of two circles of the second support structure. The second support structure can solve the problem that the edge of the upper and lower glasses is not supported when the glasses are covered in the box cover, resulting in collapse of the edge position and uneven stress on the whole surface when the cover is pressed. By providing the second support structure, the display medium can be uniform, and the edge display is consistent with the middle display.

[0047] It should be noted that the first support structure and the second support structure can be irregularly arranged, and the corresponding cross-sectional shape can also be in various shapes, as long as the above-mentioned combination structure characteristics are met. It can be understood that other arrangement modes and cross-sectional shapes should fall within the protection scope of the present patent.

[0048] In an embodiment of the present technical solution, as shown in FIGS. 2, 3 and 9, the first groove 130 and the first support structure 220 are filled with an adhesive medium 160, and the second groove 170 and the second support structure are filled with an adhesive medium 160. The adhesive medium 160 is used to wrap the top of the first support structure 220 and the second support structure 230, and after being solidified firmly, the first substrate 110 and the second substrate 210 are connected into a whole. The adhesive medium 160 can be a heat-curing glue, a light-curing glue, a heat-sensitive glue, etc., and is preferably a high-transparency curing glue. After the adhesive medium wraps the first support structure and the second support structure and is solidified firmly, the first substrate and the second substrate form a whole, which can reduce the influence of cold and heat on the plasma display module. The problem of module resistance to pressure and cold and heat impact can be perfectly solved. When the adhesive medium is arranged, the filling medium points can correspond to the support structures one by one, or can selectively correspond.

[0049] In an embodiment of the present application, a plasma display cavity is formed between the first substrate 110 and the second substrate 210, and the plasma display cavity is filled with plasma particles. The plasma particles include white particles and black particles. It should be understood that the plasma particles can also include two-color, three-color or multi-color pigment particles, which can be selected as needed, and are not limited here.

[0050] Another technical solution of the present application provides a plasma display screen with an embedded structure, which includes any one of the plasma display modules with an embedded structure described above. As a specific embodiment of a display device, the display device can be an electronic paper display screen of microcapsules or microcups, a bistable reflective liquid crystal display screen, an LCD liquid crystal display screen, etc. The effects of the display device can be referred to the effects of the plasma display module described above, and will not be repeated here.

Claims

1. A plasma display module with an embedded structure, characterized in that, The first substrate (110) and the second substrate (210) are oppositely arranged; The surface of the first substrate (110) towards the second substrate (210) is provided with a planarization layer (150), the planarization layer (150) is etched with a first groove (130) and a second groove (170), the first groove (130), the second groove (170) and the planarization layer (150) are provided with a conductive medium layer (140) towards the surface of the second substrate (210); The surface of the second substrate (210) towards the first substrate (110) is provided with a pixel electrode area (240); The second substrate (210) is provided with a first support structure (220) extending towards the first substrate (110), one end of the first support structure (220) away from the second substrate (210) is embedded in the first groove (130); The second substrate (210) is provided with a second support structure (230) extending towards the first substrate (110), one end of the second support structure (230) away from the second substrate (210) is embedded in the second groove (170), and the second support structure (230) surrounds the pixel electrode area (240).

2. The plasma display module with embedded structure of claim 1, wherein, The surface of the first substrate (110) towards the second substrate (210) is provided with a filter layer (120), the planarization layer (150) covers the surface of the filter layer (120) towards the second substrate (210), and the filter layer (120) comprises a plurality of spaced color filters.

3. The plasma display module with embedded structure of claim 2, wherein the phosphor layer is formed on the surface of the barrier ribs. 3 The depth of the first groove (130) is equal to the thickness of the planarization layer (150).

4. The plasma display module with embedded structure of claim 2, wherein the phosphor layer is formed on the surface of the barrier ribs. 5 The depth of the first groove (130) is equal to the sum of the thickness of the planarization layer (150) and the thickness of the filter layer (120).

5. The plasma display module with embedded structure of claim 1, wherein the phosphor layer is formed on the surface of the barrier ribs. 5 The bottom width of the cross section of the first support structure (220) and the second support structure (230) is greater than or equal to the top width.

6. The plasma display module with embedded structure of claim 5, wherein the phosphor layer is formed on the surface of the barrier ribs. 5 The second support structure (230) comprises a cofferdam or a plurality of support platforms.

7. The plasma display module with embedded structure of claim 1, wherein the phosphor layer is formed on the surface of the barrier ribs. 7 When the second support structure (230) is a cofferdam, the second support structure (230) is provided with air holes (250).

8. The plasma display module with embedded structure according to any one of claims 1 to 7, wherein The first groove (130) and the first support structure (220) are filled with adhesive medium (160), the second groove (170) and the second support structure (230) are filled with adhesive medium (160), the adhesive medium (160) is used to wrap the top of the first support structure (220) and the second support structure (230), and after curing, the first substrate (110) and the second substrate (210) are connected into a whole.

9. The plasma display module with an embedded structure as described in claim 1, characterized in that, The first substrate (110) and the second substrate (210) form a plasma display cavity, and the plasma display cavity is filled with plasma particles.

10. A plasma display screen with an embedded structure, characterized in that, The plasma display module with embedded structure comprises any one of claims 1-9. The plasma display module with embedded structure comprises any one of claims 1-9.

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