Shatterproof Coating on Deformable Display Windows

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Solution Overview

Problem

Deformable display panels in electronic devices face challenges in protecting their windows from deformation and damage, particularly in maintaining a thin profile and preventing shattering, while ensuring the display's quality and functionality.

Innovation Solution

The electronic device incorporates a deformable display panel with a first window, a first adhesive, a second window with a shatterproof coating applied to its side and surface, and a second adhesive, which provides protection and flexibility without compromising the display's quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the window thickness is reduced to enable deformation of the deformable display panel, then the flexibility and deformability of the display panel is improved, but the protection capability and shatter resistance of the window deteriorates

Engineering Contradiction:

ImprovedeformabilityVSAvoidprotection capability

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The patent applies a shatterproof coating (SPC) on the window to create a composite structure. The window consists of a thin glass substrate combined with a shatterproof coating layer, where the coating prevents shattering while the thin substrate enables deformation. This composite approach allows the window to simultaneously achieve both deformability and protection capability.

Inventive Principle:

Principle #40Composite materials

2Adaptability or versatility

If the window thickness is reduced to enable deformation, then the flexibility of the display panel is improved, but the reliability and durability against damage deteriorates

Engineering Contradiction:

ImproveflexibilityVSAvoiddamage resistance

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The shatterproof coating forms a composite material system with the thin window glass. This composite structure maintains the flexibility needed for deformation while significantly improving reliability by preventing shattering and damage during deformation cycles.

Inventive Principle:

Principle #40Composite materials

3Strength

If a protective coating is applied to the window, then the shatter resistance and protection capability is improved, but the complexity of the manufacturing process deteriorates

Engineering Contradiction:

Improveshatter resistanceVSAvoidmanufacturing process complexity

Core Design Contradiction:

StrengthVSEase of manufacture

Solution Approach 1:

The shatterproof coating is applied by controlling specific parameters such as coating thickness (1-10 micrometers), material composition (silane-based compounds), and application conditions. By optimizing these parameters, the coating process achieves effective shatter protection while maintaining manufacturing feasibility through standardized processes.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS11485114B2Electronic device with coating for protection of window

Publication Date: 2022.11.01 SAMSUNG ELECTRONICS CO LTD

AI summary

Disclosed is an electronic device. The electronic device according to an embodiment includes: a deformable display panel; a first window disposed on the deformable display panel; a first adhesive disposed between the deformable display panel and the first window; a second window disposed on the first window, the second window including a first surface, a second surface opposite the first surface, and a side surface disposed between the first surface and the second surface; a second adhesive disposed between the first window and the second window; and a shatterproof coating (SPC) provided on at least a part of the side surface of the second window and the first surface of the second window.