Indication device

The display device addresses moisture penetration issues by using an inorganic passivation layer and barrier structure to protect touch wiring, enhancing reliability and reducing production complexity.

JP2026111494APending Publication Date: 2026-07-03LG DISPLAY CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
LG DISPLAY CO LTD
Filing Date
2025-10-07
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Display devices are vulnerable to moisture penetration through organic insulating materials in the bezel area, leading to potential damage of touch wiring and malfunctions.

Method used

A display device structure that includes a passivation layer covering the touch insulating layer with an inorganic material in the bezel region to prevent moisture penetration, combined with a barrier structure to protect the touch sensor components.

Benefits of technology

Prevents moisture-induced corrosion of metal wiring, ensuring reliable touch operations and reducing production steps by integrating the barrier structure with the viewing angle adjustment member.

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Abstract

To provide a display device that can prevent moisture from penetrating and damaging the wiring. [Solution] The display device according to this specification includes a display area including a plurality of subpixels, a non-display area disposed outside the display area and including a bezel area, a plurality of dams disposed in the bezel area, a sealing portion disposed on the plurality of dams, a touch portion disposed on the sealing portion and including a touch sensor portion, a touch insulating layer and a passivation layer, a lens portion disposed on the touch portion, and a protective layer disposed on the lens portion, wherein the passivation layer can cover the touch insulating layer extending into the bezel area.
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