Snap-fit ​​type plasma display module and plasma display

The snap-fit plasma display module addresses the issue of low structural strength by securing substrates with snap-fit structures and support microspheres, improving pressure resistance and reducing deformation.

JP7742192B2Active Publication Date: 2025-09-19WUXI VISION PEAK TECH
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Patent Information

Application Number
JP2024535225
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-04-11
Filing Date
2022-04-15
Publication Date
2025-09-19
Estimated Expiration
2042-04-15

AI Technical Summary

Technical Problem

Conventional plasma displays suffer from low structural strength and pressure resistance due to deformation of upper and lower cover plates under external forces.

Method used

A snap-fit type plasma display module with a plasma display chamber between substrates, featuring a light filtering layer with snap-fit structures and plasma isolation structures that secure the substrates together, using a conductive medium layer and support microspheres for enhanced stability.

Benefits of technology

The snap-fit structure increases the overall structural strength, reduces deformation, and enhances pressure resistance by securing the substrates and reducing slurry migration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the field of electronic display technology, and more particularly to a snap-fit ​​type plasma display module. The display includes a first substrate and a second substrate disposed opposite thereto, between which a plasma display chamber is formed, and the plasma display chamber is filled with plasma particles. A filtering layer is disposed on a surface of the first substrate. A pixel electrode layer is disposed on a surface of the second substrate facing the first substrate. The pixel electrode layer is provided with a plasma isolation structure extending in the direction of the first substrate. A snap-fit ​​structure is disposed on a surface of the filtering layer facing the second substrate. The snap-fit ​​structure is shaped to match the shape of the plasma isolation structure, thereby fixing the first substrate and the second substrate. A conductive medium layer is disposed on both the filtering layer and the snap-fit ​​structure facing the second substrate. In the present invention, the snap-fit ​​structure is used to cover the plasma isolation structure, thereby increasing the overall structural strength of the display and improving the overall pressure resistance.
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Description

[Technical Field]

[0001] The present invention relates to the field of electronic display technology, and more particularly to a snap-fit ​​type plasma display module and a plasma display. [Background technology]

[0002] A conventional plasma display structure mainly comprises a glass substrate, an optical filter, an ITO layer, and a plasma barrier rib. The optical filter, ITO layer, and plasma barrier rib are sequentially formed on the glass substrate. A gap exists between the plasma barrier rib and the ITO layer, forming a plasma flow port. However, the upper and lower cover plates are easily deformed by external forces, resulting in low pressure resistance of the display. Therefore, it is a challenge for those skilled in the art to increase the overall structural strength of the display, reduce deformation of the upper and lower cover plates, and improve the overall pressure resistance of the display. Summary of the Invention

[0003] In the present invention, a snap-fit ​​type plasma display module and plasma display are disclosed, which solves the overall pressure resistance problem of plasma displays in the prior art.

[0004] As a technical solution of the present invention, a snap-fit ​​type plasma display module includes a first substrate and a second substrate arranged opposite to the first substrate, a plasma display chamber is formed between the first substrate and the second substrate, and plasma particles are filled inside the plasma display chamber.

[0005] A light filtering layer is disposed on a surface of the first substrate, and a pixel electrode layer is disposed on a surface of the second substrate facing the first substrate.

[0006] The pixel electrode layer is provided with a plasma isolation structure extending toward the first substrate. A snap-fit ​​structure is disposed on the surface of the light filtering layer facing the second substrate. The snap-fit ​​structure is shaped to match the shape of the plasma isolation structure, thereby fixing the first substrate and the second substrate together. A conductive medium layer is disposed on both the surfaces of the light filtering layer and the snap-fit ​​structure facing the second substrate.

[0007] Furthermore, an engagement groove may be provided on one end of the snap-fit ​​structure facing the second substrate, and one end of the plasma isolation structure facing the first substrate may be engaged with the engagement groove.

[0008] Additionally, the light filtering layer may include a plurality of spaced apart color filters.

[0009] Furthermore, a filling medium may be provided between each two adjacent color filters, and the snap-fit ​​structure may be disposed on a surface of the filling medium.

[0010] Furthermore, the material of the filling medium may be a resin.

[0011] Additionally, a support structure may be disposed within the plasma fill region.

[0012] Furthermore, the support structure may include support microspheres, which may contact the conductive medium layer and the pixel electrode layer, respectively.

[0013] Furthermore, the plasma particles may include white particles and black particles.

[0014] Furthermore, the pixel electrode layer includes a plurality of pixel electrodes arranged in an array, and a gap is formed between two adjacent pixel electrodes, but the gap may be covered by the plasma isolation structure.

[0015] Furthermore, the cross-sectional shape of the plasma isolation structure may include a trapezoid.

[0016] Another technical solution of the present invention provides a plasma display including any of the snap-fit ​​type plasma display modules described above.

[0017] The beneficial effects of the present invention are as follows: In the plasma display module of the present invention, a transparent resin layer is disposed between the gaps of the color filters, which are optical filters, to flatten the surface of the upper substrate, and a snap-fit ​​structure is used to cover the plasma isolation structure, thereby increasing the strength of the entire display structure, reducing slurry migration, and reducing deformation of the upper and lower cover plates due to external forces, thereby improving the overall pressure resistance. [Brief explanation of the drawings]

[0018] [Figure 1] FIG. 1 is a cross-sectional view of a plasma display module of the present invention. [Figure 2] FIG. 2 is a schematic diagram showing an arrangement of a snap-fit ​​structure of the plasma display module of the present invention. [Figure 3] FIG. 3 is another schematic diagram showing the layout of the snap-fit ​​structure of the plasma display module of the present invention. [Figure 4] FIG. 4 is another schematic diagram showing the layout of the snap-fit ​​structure of the plasma display module of the present invention. [Figure 5] FIG. 5 is another schematic diagram showing the layout of the snap-fit ​​structure of the plasma display module of the present invention. [Figure 6] FIG. 6 is a schematic diagram of a snap-fit ​​structure of the plasma display module of the present invention. [Figure 7] FIG. 7 is another schematic diagram of the snap-fit ​​structure of the plasma display module of the present invention. [Figure 8] FIG. 8 is another schematic diagram of the snap-fit ​​structure of the plasma display module of the present invention. [Figure 9] FIG. 9 is another schematic diagram of the snap-fit ​​structure of the plasma display module of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0019] In order to help those skilled in the art better understand the technical solutions of the present invention, the technical solutions of the embodiments of the present invention will be described more clearly and completely in conjunction with the drawings of the embodiments of the present invention. The following embodiments are only a part of the embodiments of the present invention, and do not represent all the embodiments. Based on the examples of the present invention, any other examples obtained by those skilled in the art without making creative efforts shall fall within the protection scope of the present invention.

[0020] In an embodiment of the present invention, FIG. 1 is a cross-sectional view showing the structure of a snap-fit ​​plasma display module of the present invention. As shown in FIG. 1, the present invention includes a first substrate 110 and a second substrate 210 disposed opposite the first substrate 110. A plasma display chamber is formed between the first substrate 110 and the second substrate 210. The plasma display chamber is filled with plasma particles. The plasma particles include white particles 310 and black particles 320. As shown in FIG. 1, the darker particles are plasma black particles, and the lighter particles are plasma white particles. The plasma particles 320 may further include two-color, three-color, or multiple-color pigment particles. This is not limited to the specific color, as they can be selected according to needs.

[0021] The first and second substrates may be glass substrates, and the second substrate may be a TFT (Thin Film Transistor) glass substrate.

[0022] A light filtering layer 120 is disposed on the first substrate 110. The light filtering layer 120 may be disposed on the surface of the first substrate 110 facing the second substrate 210, or on the surface of the first substrate 110 opposite the second substrate 210. A pixel electrode layer 220 is disposed on the surface of the second substrate 210 facing the first substrate.

[0023] The pixel electrode layer 220 is provided with a plasma isolation structure 230 extending toward the first substrate 110 , and the light filtering layer 120 has a snap-fit ​​structure 160 on the surface facing the second substrate 210 .

[0024] The snap-fit ​​structure 160 is shaped to fit the plasma isolation structure 230, thereby securing the first substrate 110 and the second substrate 210 together. The snap-fit ​​structure 160 may be configured as follows: An engaging groove 161 is provided on one end of the snap-fit ​​structure 160 facing the second substrate 210, and the end of the plasma isolation structure 230 facing the first substrate 110 engages with the engaging groove 161. A conductive medium layer 140 is disposed on both the surfaces of the light filtering layer 120 and the snap-fit ​​structure 160 facing the second substrate 210. The material of the snap-fit ​​structure includes an organic film, and the material of the conductive medium layer may be ITO.

[0025] The snap-fit ​​structure 160 of the present invention is provided with a locking groove 161. In the orientation shown in Figure 1, the top of the plasma isolation structure is fitted into the locking groove and adhered to the snap-fit ​​structure. By adhering the snap-fit ​​structure to the plasma isolation structure, the strength of the entire display structure can be increased and slurry migration can be reduced, while deformation of the upper and lower cover plates due to external forces can be reduced, improving the overall pressure resistance.

[0026] In one embodiment of the present invention, the light filtering layer 120 includes a plurality of color filters 141 arranged at intervals. The color filters 141 may include, but are not limited to, RGB tri-color filters. The color filters enable the display of multiple colors. A snap-fit ​​structure can connect two adjacent color filters 141, reducing the impact on the display effect.

[0027] It should be noted that a filler medium 140 may be provided between two adjacent color filters 141. When the light filtering layer is disposed on the surface of the first substrate facing the second substrate, the snap-fit ​​structure 160 is disposed on the surface of the filler medium 130. When the light filtering layer is disposed on the surface of the first substrate opposite the second substrate, the snap-fit ​​structure 160 is disposed on the surface of the first substrate facing the second substrate. The material of the filler medium 130 is preferably a transparent resin. The use of a filler medium is preferred because the plasma isolation structure 230 surrounds one pixel, the gap between two adjacent color filters 141 is filled by using the filler medium, the light filtering layer is flat, and the snap-fit ​​structure is easier to align.

[0028] It should be noted that the snap-fit ​​structures 160 further include support legs disposed on both sides of the locking groove. The snap-fit ​​structures connect adjacent color filters 141 via the support legs. One snap-fit ​​structure may be disposed between each adjacent color filter 141, or multiple snap-fit ​​structures 160 may be disposed, or snap-fit ​​structures may be disposed only at key positions. Therefore, the specific number and locations of the snap-fit ​​structures 160 are not limited; see FIGS. 2 to 5 for details. It should also be understood that the snap-fit ​​structures are not limited to the shapes and styles shown in FIGS. 2 to 5, and may be designed and attached with reference to the shapes and styles shown in FIGS. 6 to 9. It is sufficient that the positional and connection relationships between the snap-fit ​​structures and the plasma isolation structures are satisfied.

[0029] In one embodiment of the present invention, a support structure 330 is disposed within the plasma-filled region. Specifically, the support structure 330 includes support microspheres that contact the conductive medium layer 140 and the pixel electrode layer 220, respectively. The support microspheres primarily serve to provide support and fixation, improving the display's resistance to pressure. Pressing the display during the display process prevents blurring or deformation of the image, improving the stability of the displayed image.

[0030] In one embodiment of the present invention, the pixel electrode layer 220 includes a plurality of pixel electrodes arranged in an array. A gap is formed between two adjacent pixel electrodes, and the gap is covered by a plasma isolation structure 230. The plasma isolation structure 230 is a trapezoidal structure that extends from the pixel electrode layer 220 to the light filtering layer 120 and has a trapezoidal cross-sectional shape, and its main role is to isolate plasma particles.

[0031] Another technical solution of the present invention provides a plasma display including any of the snap-fit ​​plasma display modules described above. Specific embodiments of the display device include a microcapsule or microcup electronic paper display, a bistable reflective liquid crystal display, and an LCD liquid crystal display. The effects of the display device can be specifically referred to the effects of the display plasma module described above, and further description is omitted here.

[0032] The manufacturing process for the plasma display module of the present invention is as follows: First, a color filtering layer is coated on the upper glass substrate to form a number of color blocks of different colors. At the same time, a transparent resin layer is deposited between the color filtering blocks to flatten the surface of the upper substrate. Next, a plasma isolation structure is attached to the lower substrate. Then, the snap-fit ​​structure and the plasma isolation structure are positioned using a mark point positioning technique so that the top of the plasma isolation structure fits into the locking groove of the snap-fit ​​structure. The snap-fit ​​structure is then attached so that it is in close contact with the upper surface of the plasma barrier rib.

[0033] The above specific embodiments are intended to illustrate the technical solutions of the present invention, but are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can understand that modifications or equivalent replacements of the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention, and are all within the scope of the claims of the present invention.

Claims

1. The device includes a first substrate (110) and a second substrate (210) disposed opposite thereto, a plasma display chamber is formed between the first substrate (110) and the second substrate (210), and plasma particles are filled inside the plasma display chamber. A light filtering layer (120) is disposed on a surface of the first substrate (110), and a pixel electrode layer (220) is disposed on a surface of the second substrate (210) facing the first substrate (110); a plasma isolation structure (230) extending toward the first substrate (110) is disposed on the pixel electrode layer (220), and a snap-fit ​​structure (160) is disposed on a surface of the light filtering layer (120) facing the second substrate (210); A gap is formed between the light filtering layer (120) disposed on the surface of the first substrate (110) and the plasma isolation structure (230), a snap-fit ​​type plasma display module characterized in that a portion of one end of the plasma isolation structure (230) facing the first substrate (110) is in close contact with the snap-fit ​​structure (160), and the remaining portion does not face the snap-fit ​​structure (160); the shape of the snap-fit ​​structure (160) matches the shape of the portion of the one end of the plasma isolation structure (230) facing the first substrate (110), thereby fixing the first substrate (110) and the second substrate (210); and a conductive medium layer (140) is disposed on both the surfaces of the filtering layer (120) and the snap-fit ​​structure (160) facing the second substrate (210).

2. 2. The snap-fit ​​type plasma display module according to claim 1, wherein an engagement groove (161) is provided at one end of the snap-fit ​​structure (160) facing the second substrate (210), and the portion of the end of the plasma isolation structure (230) facing the first substrate (110) engages with the engagement groove (161).

3. 2. The snap-fit ​​plasma display module of claim 1, wherein the light filtering layer (120) includes a plurality of spaced apart color filters (141).

4. 4. The snap-fit ​​type plasma display module according to claim 3, wherein a filling medium (140) is provided between each two adjacent color filters (141).

5. 5. The snap-fit ​​type plasma display module according to claim 4, wherein the material of said filling medium (130) is a resin.

6. 2. The snap-fit ​​type plasma display module according to claim 1, wherein a support structure (330) is disposed inside the plasma display chamber.

7. 7. The snap-fit ​​type plasma display module according to claim 6, wherein the support structure (330) includes support microspheres, and the support microspheres are in contact with the conductive medium layer (140) and the pixel electrode layer (220), respectively.

8. 2. The snap-fit ​​type plasma display module according to claim 1, wherein the pixel electrode layer (220) includes a plurality of pixel electrodes arranged in an array, a gap is formed between two adjacent pixel electrodes, and the plasma isolation structure (230) is disposed at the position of the gap.

9. 2. The snap-fit ​​type plasma display module according to claim 1, wherein the cross-sectional shape of the plasma isolation structure (230) comprises a trapezoid.

10. A plasma display comprising the snap-fit ​​type plasma display module according to any one of claims 1 to 9.

Citation Information

Patent Citations

  • Plasma display screen with novel cover plate

    CN215526314U

  • Electrophoretic display device and electronic apparatus

    JP2017049552A

  • Electrophoresis device and electronic apparatus

    JP2019070732A

  • Electrophoretic inks that provide color and transparency

    JP2019522240A

  • Electrophoretic ink providing color and transparency

    KR1020190028457A