Transparent Protective Member Anti-Scattering Sheet Display Apparatus
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Solution Overview
Problem
Existing display apparatuses face issues with fragment scattering and visibility degradation when a protective plate is broken, due to shrinkage of photo-curable resin films and multi-reflection caused by air layers and refractive index differences between protective films and glass.
Innovation Solution
A display apparatus with a transparent protective member covering the housing, a transparent adhesive member corresponding to the display area, and an adhesive member in the peripheral area, which includes a sheet with a light-shielding print and anti-scattering properties to prevent fragment scattering and maintain visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a photo-curable resin anti-scattering film is applied to the protective plate, then glass fragments are suppressed from scattering, but the resin shrinks upon curing causing deflection or deformation of the protective plate
Solution Approach 1:
The patent extracts the anti-scattering function from the photo-curable resin film and transfers it to a separate anti-scattering sheet. This separates the anti-scattering function from the curing process, eliminating the shrinkage-induced deformation while maintaining fragment containment capability.
Solution Approach 2:
The patent introduces an anti-scattering sheet as an intermediary component between the protective plate and the external environment. This sheet provides the anti-scattering function without causing deformation, acting as a mediator that prevents glass fragment scattering without interfering with the protective plate's structural integrity.
2Object-affected harmful factors
If an anti-scattering sheet is closely stuck to the protective plate, then fragment scattering is suppressed, but the sheet peals off due to long-time using
Solution Approach 1:
The patent applies different adhesive characteristics to different regions: a transparent adhesive member with lower adhesive strength for the display area (to prevent peeling) and a regular adhesive member with higher adhesive strength for the peripheral area (to maintain positioning). This local differentiation ensures long-term reliability while maintaining anti-scattering functionality.
3Object-affected harmful factors
If a transparent film with different refractive index is stuck to the glass plate, then anti-scattering effect is achieved, but multi-reflection occurs causing unevenness appearance
Solution Approach 1:
The patent uses a transparent adhesive member with refractive index matched to the glass plate (both around 1.5) to create a homogeneous optical interface. This eliminates the refractive index difference that causes multi-reflection, ensuring uniform visibility while maintaining the anti-scattering function through the sheet's physical structure rather than refractive properties.
4Adaptability or versatility
If a protective plate larger than the display apparatus is arranged on the housing face, then functionality and design features are improved, but fragment scattering risk increases when broken
Solution Approach 1:
The patent segments the protective system into distinct functional zones: the display area covered by transparent adhesive member for optimal visibility, and the peripheral area covered by adhesive member with anti-scattering sheet for fragment containment. This segmentation allows the protective plate to extend beyond the display area for design flexibility while managing fragment scattering risks in the peripheral region.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively suppresses fragment scattering and ensures safety without compromising visibility, while improving design and functionality by using a transparent protective member with a sheet and adhesive system that minimizes additional parts and assembly complexity.
Implementation Method 1
a transparent adhesive member that is arranged at a position corresponding to a display area of the display panel on a face of the transparent protective member, which faces the display panel, so that the display panel is stuck
Implementation Method 2
an adhesive member that is arranged at a peripheral area, which is provided from an outside of the display area of the display panel up to an end portion of the transparent protective member
Data Source
AI summary
A display apparatus that accommodates a display panel of displaying an image in a housing, the display apparatus comprises: a transparent protective member that covers a part of the housing and is arranged at a display face of the display panel; a transparent adhesive member that is arranged at a position corresponding to a display area of the display panel on a face of the transparent protective member, which faces the display panel, so that the display panel is stuck; and an adhesive member that is arranged at a peripheral area, which is provided from an outside of the display area of the display panel up to an end portion of the transparent protective member.