Naked-Eye 3D Display Using Temporal Sub-Pixel Multiplexing
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Solution Overview
Problem
Current naked-eye 3D display technologies require lenticular lenses or slit gratings, which increase production costs and can lead to aberrations at large viewing angles, impairing the quality of 3D imaging.
Innovation Solution
A display device comprising a black and white liquid crystal display panel and an organic light emitting display panel, where the control unit divides the display time into periods to drive red, green, and blue sub-pixels to emit light alternately, eliminating the need for lenticular lenses or slit gratings and enabling 3D display without them.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If lenticular lenses or slit gratings are used to achieve naked-eye 3D display, then 3D imaging function is realized, but production cost increases and imaging quality deteriorates at large viewing angles
Solution Approach 1:
The patent removes the lenticular lenses or slit gratings from the display system entirely. Instead of using these optical components to achieve 3D effects, the invention uses a dual-panel structure with an organic light emitting display panel and a black and white liquid crystal display panel, where the OLED panel serves as a backlight source. This extraction of unnecessary optical components directly reduces production cost while maintaining 3D display capability through temporal multiplexing of sub-pixels.
Solution Approach 2:
The patent replaces the mechanical/optical system of lenticular lenses or slit gratings with an electrical control system. By using a control unit to sequentially drive red, green, and blue sub-pixels to emit light in different time periods, the system achieves 3D imaging without any physical optical components. This substitution of mechanical/optical elements with electrical control reduces complexity and manufacturing cost.
2Adaptability or versatility
If lenticular lenses are used for imaging at large viewing angles, then wider viewing coverage is achieved, but aberration increases and imaging quality deteriorates
Solution Approach 1:
The patent employs periodic action by dividing the display time into distinct time periods for different color sub-pixels. The control unit sequentially drives red, green, and blue sub-pixels to emit light in alternating time periods. This temporal multiplexing creates the 3D effect without requiring optical components that cause aberration, thereby maintaining high imaging quality across various viewing angles through time-based separation rather than spatial optical manipulation.
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 reduces production costs and maintains high-quality 3D imaging by using the organic light emitting display panel as a backlight for the black and white liquid crystal display panel, allowing for 3D display without the need for additional optical components, ensuring effective 3D rendering across various viewing angles.
Implementation Method 1
an organic light emitting display panel, bonded to the black and white liquid crystal display panel; and a control unit, configured to control the organic light emitting display panel to emit light
Data Source
AI summary
A display device and a method for driving the display device are disclosed. The display device comprises a black and white liquid crystal display panel, an organic light emitting display panel, and a control unit. The control unit is configured to control the organic light emitting display panel to emit light, at least divide a frame of display time into a first time period, a second time period, and a third time period, and to drive the first primary color sub-pixel to emit light only in the first time period, the second primary color sub-pixel to emit light only in the second time period, and the third primary color sub-pixel to emit light only in the third time period. According to embodiments of the present invention, there is no need to provide lenticular lenses or a slit grating to realize 3D display, thus reducing production cost.