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EP-4737998-A1 - PLASMA DISPLAY MODULE HAVING EMBEDDED STRUCTURE, AND PLASMA DISPLAY SCREEN

EP4737998A1EP 4737998 A1EP4737998 A1EP 4737998A1EP-4737998-A1

Abstract

The present disclosure relates to a plasma display module with an embedded structure, including a first substrate and a second substrate disposed opposite to the first substrate. A leveling layer is disposed on a surface of the first substrate facing the second substrate, the leveling layer is etched with a first groove and a second groove, and conductive medium layers are respectively disposed on surfaces that are of the first groove, the second groove, and the leveling layer and face the second substrate. The second substrate is provided with a first support structure and a second support structure that extend toward the first substrate. An end of the first support structure away from the second substrate is embedded in the first groove, an end of the second support structure away from the second substrate is embedded in the second groove, and the second support structure surrounds a pixel electrode region. The present disclosure can provide a defined range for sealing glue, prevent uneven squeezing of display paste and the glue, avoid edge collapse of the module and a display panel, and improve flatness. In this way, the first substrate and the second substrate are connected into an integrated structure, thereby enhancing pressure resistance and reducing deformation caused by a temperature change.

Inventors

  • BAO, Jin
  • CHEN, SHAN
  • TANG, ZHENXING
  • XU, JUN

Assignees

  • Wuxi Vision Peak Technology Co., Ltd.

Dates

Publication Date
20260506
Application Date
20240815

Claims (10)

  1. A plasma display module with an embedded structure, comprising a first substrate (110) and a second substrate (210) disposed opposite to the first substrate (110), wherein a leveling layer (150) is disposed on a surface, facing the second substrate (210), of the first substrate (110), the leveling layer (150) is etched with a first groove (130) and a second groove (170), and conductive medium layers (140) are respectively disposed on surfaces, facing the second substrate (210), of the first groove (130), the second groove (170), and the leveling layer (150); a pixel electrode region (240) is disposed on a surface, facing the first substrate (110), of the second substrate (210); the second substrate (210) is provided with a first support structure (220) extending toward the first substrate (110), and an end, away from the second substrate (210), of the first support structure (220) is embedded in the first groove (130); and the second substrate (210) is provided with a second support structure (230) extending toward the first substrate (110), an end, away from the second substrate (210), of the second support structure (230) is embedded in the second groove (170), and the second support structure (230) surrounds the pixel electrode region (240).
  2. The plasma display module with an embedded structure according to claim 1, wherein a filter layer (120) is disposed on the surface, facing the second substrate (210), of the first substrate (110), the leveling layer (150) covers a surface, facing the second substrate (210), of the filter layer (120), and the filter layer (120) comprises a plurality of color filters disposed at intervals.
  3. The plasma display module with an embedded structure according to claim 2, wherein a depth of the first groove (130) is equal to a thickness of the leveling layer (150).
  4. The plasma display module with an embedded structure according to claim 2, wherein a depth of the first groove (130) is equal to a sum of a thickness of the leveling layer (150) and a thickness of the filter layer (120).
  5. The plasma display module with an embedded structure according to claim 1, wherein bottom widths of cross-sections of the first support structure (220) and the second support structure (230) are respectively greater than or equal to top widths of the cross-sections thereof.
  6. The plasma display module with an embedded structure according to claim 5, wherein the second support structure (230) comprises a cofferdam or a plurality of support bars, and the plurality of support bars are arranged at intervals.
  7. The plasma display module with an embedded structure according to claim 1, wherein when the second support structure (230) is a cofferdam, the second support structure (230) is provided with a vent hole (250).
  8. The plasma display module with an embedded structure according to any one of claims 1 to 7, wherein a viscous medium (160) is filled between the first groove (130) and the first support structure (220) and between the second groove (170) and the second support structure (230), wherein the viscous medium (160) is configured to wrap tops of the first support structure (220) and the second support structure (230), and after the viscous medium (160) is cured, the first substrate (110) and the second substrate (210) are connected into an integrated structure.
  9. The plasma display module with an embedded structure according to claim 1, wherein 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.
  10. A plasma display panel with an embedded structure, comprising the plasma display module with an embedded structure according to any one of claims 1 to 9.

Description

TECHNICAL FIELD The present disclosure relates to the technical field of electronic display, and in particular, to a plasma display module with an embedded structure and a plasma display panel. BACKGROUND TECHNOLOGY The structure of the existing plasma display panel mainly consists of a glass substrate, a filter, an indium tin oxide (ITO) layer, and a plasma barrier rib from top to bottom. A gap is reserved between the plasma barrier rib and the ITO layer to form a plasma flow opening, and an upper cover plate and a lower cover plate are prone to deformation caused by an external force, so the display panel has poor pressure resistance. Therefore, how to increase overall structural strength of the display panel, reduce the deformation of the upper cover plate and the lower cover plate, and improve overall pressure resistance of the display panel has become an urgent technical problem to be solved by those skilled in the art. Meanwhile, in the existing production process, during bonding of upper and lower glass, there is no support for an edge of the structure of the plasma display panel. Support beads are usually added to the edge bonding adhesive to ensure that the edge does not collapse. Nevertheless, since the support beads are not always precise, when pressure is applied during bonding, sagging is generated on the edge, resulting in an uneven force distribution across an entire surface, and an uneven display medium, ultimately leading to inconsistent displaying quality between the edges and the center. CONTENT OF THE INVENTION The present disclosure provides a plasma display module with an embedded structure and a plasma display panel, which solve at least one of the technical problems mentioned in BACKGROUND. A technical solution of the present disclosure is as follows: A plasma display module with an embedded structure includes a first substrate and a second substrate disposed opposite to the first substrate, where a leveling layer is disposed on a surface of the first substrate facing the second substrate, the leveling layer is etched with a first groove and a second groove, and conductive medium layers are respectively disposed on surfaces that are of the first groove, the second groove, and the leveling layer and face the second substrate;a pixel electrode region is disposed on a surface of the second substrate facing the first substrate;the second substrate is provided with a first support structure that extends toward the first substrate, and an end of the first support structure away from the second substrate is embedded in the first groove; andthe second substrate is provided with a second support structure that extends toward the first substrate, an 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 region. Further, a filter layer is disposed on the surface of the first substrate facing the second substrate, the leveling layer covers a surface of the filter layer facing the second substrate, and the filter layer includes a plurality of color filters disposed at intervals. Further, a depth of the first groove is equal to a thickness of the leveling layer. Further, a depth of the first groove is equal to a sum of a thickness of the leveling layer and a thickness of the filter layer. Further, bottom widths of cross-sections of the first support structure and the second support structure are respectively greater than or equal to top widths of the cross-sections thereof. Further, the second support structure includes a cofferdam or a plurality of support bars, and the plurality of support bars are arranged at intervals. Further, when the second support structure is a cofferdam, the second support structure is provided with a vent hole. Further, a viscous medium is filled between the first groove and the first support structure and between the second groove and the second support structure, where the viscous medium is configured to wrap tops of the first support structure and the second support structure, and after the viscous medium is cured, the first substrate and the second substrate are connected into an integrated structure. Further, a plasma display cavity is formed between the first substrate and the second substrate, and the plasma display cavity is filled with plasma particles. Another technical solution of the present disclosure is as follows: A plasma display panel with an embedded structure includes the plasma display module with an embedded structure according to any one of the above implementations. Beneficial effects of the present disclosure: The present disclosure joins upper and lower substrates in a snap-fit manner by disposing a first groove and embedding an upper end of a first support structure into the first groove, so as to increase overall structural strength of a display panel. This can perfectly solve problems of pressure resistance and environmental testing. I