Flexible Display Control Circuit Relocation
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Solution Overview
Problem
In slidable electronic devices with flexible displays, there is a challenge in arranging electronic components without causing physical or operational interference during the sliding operation, which can lead to component damage and inefficient use of the display area.
Innovation Solution
The electronic device incorporates a flexible display with a protection layer, a display panel, and an extension portion that houses a control circuit, which is supported by the protection layer. This configuration reduces unnecessary dummy areas and increases the expansion area of the flexible display, while also protecting the control circuit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the extension portion and display substrate are folded onto the back surface of the flexible display, then the control circuit is protected, but the corresponding section cannot be utilized as the active area of the flexible display
Solution Approach 1:
The patent positions the control circuit on the protection layer in the same plane as the display panel, rather than folding it onto the back surface. This dimensional repositioning allows the control circuit to be located in a region that does not reduce the active display area, while still being protected by the protection layer structure.
2Ease of operation
If electronic components are arranged in the inner space of housings, then the sliding operation interference is avoided, but certain components must be arranged through the variable portion which may be damaged by collision
Solution Approach 1:
The patent extracts the control circuit from the extension portion and relocates it to the protection layer in a fixed position. This separation allows the extension portion to move freely during sliding operations without the control circuit being subjected to collision risks, while the control circuit remains in a protected, stable location.
3Reliability
If the flexible display includes extension portion and display substrate folded onto back surface, then the control circuit is contained, but manufacturing cost increases due to larger attachment area
Solution Approach 1:
The patent relocates the control circuit to the protection layer in the same plane as the display panel, changing the spatial arrangement from a folded-back configuration to an in-plane configuration. This reduces the attachment area required for the control circuit and associated components, thereby reducing manufacturing costs while maintaining effective containment and protection.
Data Source
AI summary
An electronic device and flexible display are disclosed. The electronic device includes a first housing defining an inner space, a second housing slidably coupled to the first housing, and the flexible display. The flexible display includes a protection layer, a display panel laminated on at least a portion of the protection layer, a first portion at least partially connected to the first housing and visible from an exterior of the electronic device when disposed in a retracted state, a second portion extending from the first portion and at least partially retracted into the inner space so as to be invisible from the exterior, and an extension extending from the display panel, the extension disposed in a region corresponding to the second portion, having a control circuit disposed thereon, and disposed to be supported by the protection layer.