Image Display Device Backlight Through-Hole Camera Integration
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Solution Overview
Problem
Conventional image display devices experience a reduction in display area due to the presence of an image taking camera in the image taking window portion, which increases the non-display area.
Innovation Solution
The image display device incorporates an image taking camera with an image taking lens positioned inside a through-hole of a backlight, where the camera is disposed on the back face side of the image forming layer and within the image display region, with specific conditions for the focal length, angle of view, and frame dimensions to minimize the reduction in display area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an image taking camera is provided in the image taking window portion, then image taking functionality is achieved, but the width of the non-display area increases, leading to a reduction in display area
Solution Approach 1:
The image taking lens is positioned inside a through-hole formed in the backlight, allowing the camera components to be nested within the existing display structure rather than adding to the external dimensions. This nesting approach enables the image taking function while minimizing the impact on display area.
Solution Approach 2:
The invention transitions from a planar arrangement where the camera would occupy space in the non-display area to a three-dimensional arrangement where the camera is integrated within the backlight thickness direction. By utilizing the through-hole in the backlight, the camera components are positioned in the thickness dimension rather than expanding the planar non-display area.
2Area of stationary object
If the image taking camera is disposed within the image display region, then display area is maximized, but the light path for image taking must be carefully managed to avoid interference with display functionality
Solution Approach 1:
The backlight is segmented by forming a through-hole, creating a dedicated light path channel that separates the display light path from the image taking light path. This segmentation allows both functions to operate independently within the same spatial region without interfering with each other.
Solution Approach 2:
The through-hole in the backlight acts as an intermediary structure that facilitates the image taking light path while maintaining the display functionality. It serves as a dedicated channel that mediates between the display region requirements and the image taking camera requirements, allowing both to coexist.
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
This configuration allows for effective suppression of the reduction in display area due to the image taking window portion, enabling a larger display region while maintaining the functionality of the image taking camera.
Implementation Method 1
an image taking camera including an image taking lens, the image forming layer including a backlight including a through-hole... with the image taking lens positioned inside the through-hole
Data Source
AI summary
In an image display device including an image taking window portion, the image taking window portion for an image taking camera is disposed within the image display region, and an outer diameter of a frame portion is set to satisfy a specific condition based on an angle of view of the image taking camera.