Display Sensor Unit Hinge Drive for Narrow-Bezel Measurement
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Solution Overview
Problem
Existing sensor unit operating mechanisms require a bezel to protrude in front of the display surface, impairing the appearance due to the need for increased width and thickness, especially when accommodating larger sensor units near the display's center.
Innovation Solution
A sensor unit drive device that allows the sensor unit to be stored on the side surface of the display panel in a retracted position, switching to a detection position through rotational and bending movements via a hinge structure, without protruding the bezel forward, using a drive mechanism with cams and actuators to facilitate smooth movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If the sensor unit is stored on the side surface of the display panel in a retracted position, then the bezel width can be reduced, but the sensor unit cannot be positioned near the display center for accurate measurement
Solution Approach 1:
The sensor unit is designed to be movable between a retracted position on the side surface and a detection position near the display center. The drive mechanism includes a rotation drive unit and a bending drive unit that enable the sensor unit to dynamically change its position, allowing it to be stored compactly on the side while still reaching the display center for accurate measurement when needed
Solution Approach 2:
The sensor unit moves from a two-dimensional plane (side surface) to a three-dimensional position (near display center) through rotational and bending movements. This dimensional transition allows the sensor unit to utilize the side surface for storage while accessing the display center for measurement, effectively resolving the contradiction between compact storage and measurement accuracy
2Volume of moving object
If the bezel protrudes in front of the display surface to accommodate the sensor unit, then the sensor unit can be stored, but the appearance of the display device is impaired
Solution Approach 1:
Instead of providing permanent storage space that protrudes the bezel, the sensor unit is designed to move dynamically between a retracted position (stored on the side surface) and a detection position (near the display center). This dynamic storage approach eliminates the need for the bezel to protrude, maintaining a sleek appearance while still providing adequate storage space for the sensor unit
Solution Approach 2:
The sensor unit incorporates a flexible hinge structure that allows it to bend and rotate, enabling compact storage on the side surface without requiring additional protruding space. This flexibility allows the sensor unit to adapt to the display device's profile, maintaining a thin and aesthetically pleasing design
3Ease of operation
If a drive mechanism with cams and actuators is used to enable smooth movement, then the sensor unit can transition between positions accurately, but the device complexity increases
Solution Approach 1:
The rotation drive unit and bending drive unit are integrated into a unified drive mechanism that controls both rotational and bending movements of the sensor unit. By merging these drive functions into a coordinated system, the mechanism achieves smooth transitions between positions while minimizing the number of separate components, thereby reducing overall complexity
Solution Approach 2:
The hinge structure serves as an intermediary between the drive mechanism and the sensor unit, facilitating smooth rotational and bending movements. This intermediary component simplifies the transmission of motion from the actuators to the sensor unit, reducing the complexity of the overall drive system while maintaining operational smoothness
Data Source
Figure 1A~1B
Figure 2
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AI summary
An object of the present invention is to provide a sensor unit drive device that does not project a bezel in front of a display surface, and allows a sensor unit to be able to be stored while making the bezel width smaller, and enables the sensor unit to be moved smoothly from a stored state to measure the display surface. The present invention provides a sensor unit drive device, comprising: a sensor unit having a sensor; and a drive means connected to the sensor unit and driving the sensor unit, wherein the sensor is configured to measure optical characteristics of a display panel that includes a display surface that displays an image, the sensor unit is configured to be provided on a side surface of the display panel in a retracted position, and is configured such that the sensor faces the display surface in a detection position, the sensor unit moves so that the retracted position and the detection position can be switched when the drive means drives the sensor unit, and the sensor unit is configured to move to the detection position by a rotational movement of rotating around a rotational axis non-perpendicular to the display surface from the retracted position and a bending movement of bending toward the display surface via a hinge structure, when the drive means drives the sensor unit.