Display Apparatus Layered Barrier Structure for Camera Transmittance
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Solution Overview
Problem
Conventional display apparatuses face challenges in increasing the transmittance of transmission areas while maintaining or enhancing their functionality, particularly in integrating additional features like sensors or cameras within a thinner and lighter form factor.
Innovation Solution
The display apparatus incorporates a layered structure with specific openings and electrodes, including a first and second barrier layer, main and auxiliary pixel electrodes, and an encapsulation layer, which allows for improved transmittance by optimizing the arrangement and materials used in the transmission areas, enabling the integration of various functions such as image display and sensor functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display area is increased and various functions are added within the display area, then the functionality and versatility of the display apparatus is improved, but the structural complexity and manufacturing difficulty increase
Solution Approach 1:
The display area is divided into a first display area for main image display and a second display area for auxiliary functions. The second display area is further segmented into transmission areas and auxiliary pixel areas, allowing different regions to serve different functions while maintaining overall system versatility without excessive complexity
Solution Approach 2:
The transmission areas in the second display area are designed to serve multiple functions: they can transmit light from external sources (enabling camera or sensor functionality) while also being integrated with auxiliary pixel electrodes for display purposes, making the structure versatile without proportionally increasing complexity
2Ease of operation
If the display apparatus is made thinner and lighter, then the portability and ease of operation are improved, but the structural strength and reliability may deteriorate
Solution Approach 1:
The patent employs a multi-layer composite structure consisting of barrier layers, base layers, electrodes, and encapsulation layers. Each layer is optimized for both thinness and structural integrity, with the encapsulation layer providing protective strength while maintaining overall device thinness and lightness
Solution Approach 2:
The structure uses nested layered architecture where the first barrier layer, second barrier layer, base layers, and encapsulation layers are stacked concentrically. This nested arrangement maximizes structural strength and protection within a compact, thin profile, ensuring reliability without compromising portability
3Illumination intensity
If transmission areas are optimized for improved transmittance, then the light transmission capability is improved, but the structural integrity and manufacturing precision requirements increase
Solution Approach 1:
The first and second base layers are formed with openings positioned to overlap with the second display area and transmission areas before the barrier layers are fully constructed. This preliminary positioning ensures proper alignment and transmittance optimization while simplifying subsequent manufacturing steps
Solution Approach 2:
The base layers serve as intermediary structures that bridge the gap between the barrier layers and the functional elements (electrodes, transmission areas). These base layers with their precisely formed openings act as mediators that ensure accurate alignment and maintain structural integrity while enabling improved transmittance in the transmission areas
Data Source
AI summary
Provided are a display apparatus and a method of manufacturing the display apparatus. The display apparatus includes a first barrier layer including a first display area, a second display area including transmission areas, and a non-display area, a first base layer on a lower surface of the first barrier layer, and defining a first opening that overlaps the second display area, a second base layer on an upper surface of the first barrier layer, and defining second openings that respectively overlap the transmission areas, a second barrier layer on an upper surface of the second base layer and defining third openings that overlap the second openings, main pixel electrodes over the second barrier layer in the first display area, and auxiliary pixel electrodes over the second barrier layer in the second display area.