Display device

By employing a transparent conductive oxide or oxide semiconductor layer as a substrate, along with a dam element and conductive adhesive elements, the display device addresses cracking and manufacturing issues, improving flexibility and reducing costs.

DE102022127542B4Active Publication Date: 2026-05-28LG DISPLAY CO LTD
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Patent Information

Application Number
DE102022127542
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-10-19
Filing Date
2022-10-19
Publication Date
2026-05-28
Estimated Expiration
2042-10-19

AI Technical Summary

Technical Problem

Existing display devices face issues such as cracking in multiple inorganic insulating layers, substrate scattering, and manufacturing complexities due to the use of plastic substrates, which affect reliability and increase costs.

Method used

The use of a transparent conductive oxide or oxide semiconductor layer as a substrate, combined with a dam element and conductive adhesive elements, minimizes cracking and simplifies the manufacturing process by enabling a laser lift-off process.

Benefits of technology

This configuration enhances the flexibility and reliability of the display device, reduces manufacturing defects, and lowers costs by simplifying the production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

Display device (100), comprising: a substrate (110) comprising an active region (AA) and a non-active region (NA) extending from the active region (AA) and comprising a contact area (PA), wherein the substrate (110) is formed either from a transparent conductive oxide or an oxide semiconductor; several inorganic insulating layers (IL) arranged on the substrate (110); a barrier element (130) whose first end is arranged on the contact area (PA) and whose second end is arranged beyond one end of the substrate (110); and several flexible films (150) covering the dam element (130), wherein a first end of the flexible films (150) is arranged in the contact point area (PA); furthermore comprehensive: several contact points (PE) arranged between the dam element (130) and the active area (AA) in the contact point area (PA); and several conductive adhesive elements (140) arranged between the multiple contact points (PE) and the multiple flexible films (150), wherein first edges of the several conductive adhesive elements (140) are arranged on the dam element (130) beyond the end of the substrate (110).
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Citation Information

Patent Citations

  • Display device

    US20180180951A1

  • Display device with a chip on film

    US20190115335A1

  • Display device

    US20210167328A1