Rear-Mounted Camera Optical Assembly Bypassing Display Shielding
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Solution Overview
Problem
The challenge in improving the ratio of screen to body for imaging apparatuses, such as mobile phones, is exacerbated by components like front cameras and flashlights located in non-display areas, which obstruct ambient light and reduce image quality due to shielding by metal lines in the display panel.
Innovation Solution
An optical assembly comprising a concave lens array and a convex lens array is positioned on the display panel to refract ambient light, allowing it to bypass shielding members like gate and data lines, ensuring the light reaches the imaging device, thereby enhancing image capture without obstructing the display area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If components such as front camera and flashlight are placed on the front face of the display panel, then the functionality of the imaging apparatus is improved, but the screen-to-body ratio is reduced due to the occupation of non-display area
Solution Approach 1:
The patent moves the imaging device from the front face to the rear face of the display panel, utilizing the z-dimension (depth) rather than consuming front face area. This dimensional transition allows the front face to be fully used for display purposes while maintaining imaging functionality through the rear-mounted device with optical elements that penetrate or work through the display panel structure.
2Area of stationary object
If the imaging device is placed on the rear face of the display panel, then the screen-to-body ratio is improved, but the image quality deteriorates due to shielding by metal lines in the display panel
Solution Approach 1:
The patent segments the optical path into multiple zones by providing different optical elements (convex lenses, concave lenses, flat lenses) at different positions and orientations. This segmentation allows specific regions to be optimized for different functions: some areas focus light from between metal lines, while other areas handle light refraction and convergence to compensate for the shielding effect of gate and data lines.
Solution Approach 2:
The patent implements local quality by providing different types of optical elements at different locations on the rear face of the display panel. Convex lenses are positioned in certain regions to converge light, concave lenses in other regions to diverge light, and flat lenses in specific areas to maintain light direction. This localized optimization ensures that each region of the imaging device receives adequate light despite the varying shielding patterns of the metal lines above it.
3Manufacturing precision
If optical elements are added to refract light and bypass shielding members, then the image quality is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple optical functions into a single integrated optical assembly on the rear face of the display panel. Instead of separate components for light divergence, convergence, and directional control, the design combines convex lenses, concave lenses, and flat lenses into one unified structure that performs all necessary optical functions simultaneously. This merging reduces the number of discrete parts while achieving the required image quality improvement.
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 solution effectively increases the screen-to-body ratio by allowing ambient light to bypass shielding members, improving image quality and maintaining the visual appearance of the display panel, while also simplifying the manufacturing process.
Implementation Method 1
an optical assembly in an optical path where ambient lights pass through the first face and the second face in sequence and enter the imaging device, the optical assembly being configured to refract at least part of the ambient lights so that the refracted lights bypass shielding members in the display panel and are incident on the imaging device
Data Source
AI summary
An imaging apparatus and a method for producing the same are provided. The imaging apparatus includes a display panel, including a first face and a second face arranged opposite to each other; an imaging device on the second face of the display panel; and an optical assembly in an optical path where ambient lights pass through the first face and the second face in sequence and enter the imaging device, the optical assembly being configured to refract at least part of the ambient lights so that the refracted lights bypass shielding members in the display panel and are incident on the imaging device.