Camera Hole Margin Reduction via Overlapping Bypass and Disconnection Modules
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Solution Overview
Problem
The challenge is to minimize the margin area around a camera hole in a display device to maximize the effective display area, as existing designs with camera holes lead to reduced effective areas due to the need for disconnection structures and bypass lines, which occupy non-display areas.
Innovation Solution
A display device design where the bypass line module and light-emitting device disconnection module overlap each other around the camera hole, allowing the entire display area outside the disconnection module to be used for light-emitting purposes, with the modules aligned to maximize the effective area, and utilizing a multi-stack thin-film transistor structure with polysilicon and oxide semiconductor active layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a camera hole is formed in the display area to accommodate the camera, then the bezel area is reduced and device compactness is improved, but the effective display area is reduced due to the need for disconnection structures and bypass lines
Solution Approach 1:
The bypass line module and light-emitting device disconnection module are merged into a single integrated structure surrounding the camera hole. This combination allows both the signal bypass function and the moisture disconnection function to be achieved within the same structural footprint, minimizing the margin area and maximizing the effective display area.
Solution Approach 2:
The integrated module surrounding the camera hole serves multiple functions simultaneously: it acts as a bypass line module to divert signals around the camera hole, functions as a light-emitting device disconnection module to prevent moisture permeation, and defines the boundary of the effective display area. This multi-functionality reduces the need for separate structures.
2Reliability
If disconnection structures and bypass lines are formed around the camera hole to ensure moisture protection and signal transmission, then device reliability is improved, but the effective display area is reduced due to occupied non-display areas
Solution Approach 1:
The bypass line module and light-emitting device disconnection module are merged into a single integrated structure surrounding the camera hole. This combination allows both the signal bypass function and the moisture disconnection function to be achieved within the same structural footprint, minimizing the margin area and maximizing the effective display area.
3Reliability
If the bypass line module and light-emitting device disconnection module are formed separately around the camera hole, then each module can be optimized for its specific function, but the margin area increases reducing the effective display area
Solution Approach 1:
The bypass line module and light-emitting device disconnection module are merged into a single integrated structure surrounding the camera hole. This combination allows both the signal bypass function and the moisture disconnection function to be achieved within the same structural footprint, minimizing the margin area and maximizing the effective display area.
Data Source
AI summary
Discussed is a display device provided with a large effective area by minimizing a margin area around a camera hole in a structure in which the camera hole is formed in a display area. A bypass line module, which is formed in the same process as the process of forming a first thin-film transistor, and a light-emitting device disconnection module, which is formed in the same process as the process of forming a second thin-film transistor, are disposed around the camera hole so as to overlap each other.