Stereopsis Display Device with Alternating 3D Sub-pixels
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Solution Overview
Problem
Glasses-free 3D display devices using lenticular films face issues with reduced resolution and image quality due to 3D crosstalk and the need for gap glasses or films to maintain viewing distance, which complicates the realization of realistic 3D images.
Innovation Solution
A stereopsis image display device with a display panel divided into sub-pixels and a lenticular film where 3D sub-pixels on odd and even horizontal lines are alternately arranged, allowing the lenticular film to be upright and not inclined, reducing crosstalk and eliminating the need for gap glasses or films by adjusting the pitch of the lenticular lenses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a lenticular film is adhered to the display panel in an inclined state to realize multi-view 3D display, then the viewer can perceive multiple views, but 3D crosstalk occurs and image quality is degraded
Solution Approach 1:
Each pixel is divided into multiple sub-pixels (e.g., 2D sub-pixel and 3D sub-pixel) that can be independently controlled. This segmentation allows different sub-pixels to display different content for different viewing conditions, enabling multi-view 3D display without crosstalk by directing specific sub-pixel content to specific viewing angles through the lenticular film
Solution Approach 2:
Different sub-pixels within the same pixel have different optical properties and display functions. The 2D sub-pixel is optimized for frontal viewing while the 3D sub-pixel is optimized for angled viewing. This local differentiation allows each sub-pixel to contribute to its designated viewing direction, achieving multi-view capability without interfering with other views, thus eliminating crosstalk
2Area of stationary object
If the pitch width of the lenticular lens is widened to accommodate larger display panels, then the display size increases, but gap glass or gap film must be applied to maintain viewing distance, increasing device complexity
Solution Approach 1:
The pitch of the lenticular lenses is specifically designed and adjusted to match the sub-pixel arrangement and dimensions. By optimizing the lens pitch parameter, the system maintains proper viewing distance and focal characteristics even as the display panel size increases, eliminating the need for additional gap glass or gap film components
3Ease of manufacture
If the lenticular film is not freely bent to maintain structural integrity, then manufacturing is easier, but sufficient depth sensation of 3D images cannot be realized
Solution Approach 1:
The lenticular film is adhered in a vertical orientation rather than being bent at angles. This dimensional change in the film's mounting configuration allows the film to maintain its structural integrity while still achieving the necessary optical effects for depth sensation through the vertical arrangement of lenses and the corresponding sub-pixel layout
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 approach enhances the quality of both 2D and 3D images by minimizing crosstalk and maintaining depth sensation without the need for additional components, similar to glasses-based 3D display devices.
Implementation Method 1
a lenticular film including a plurality of lenses and attached to the display panel
Data Source
AI summary
Disclosed is a display device having a display panel wherein the display device includes a plurality of gate lines and a plurality of data lines crossing each other to define a plurality of pixels in the display panel, each pixel being divided into N number of sub-pixel areas including a 2D sub-pixel and a 3D sub-pixel, wherein N is an integer and greater than 1; and a lenticular film including a plurality of lenses and attached to the display panel, wherein 3D sub-pixels on an odd-numbered horizontal line and 3D sub-pixels on an even-numbered horizontal line are alternately arranged on a line-by-line basis in a vertical direction.