2D/3D Switchable Autostereoscopic Display with Electrowetting Microprism Lenses
Date Issued
2010
Date
2010
Author(s)
Chang, Hsuan-Wei
Abstract
In recent years, 2D/3D switchable autostereoscopic displays by using LC lens are attracting much attention. However, the viewing distance, crosstalk, and the thickness of the display are not good enough or even impractical. In order to solve that problem, we have developed the electrowetting microprism (EMP) lens method for 2D/3D switchable autostereoscopic display.
We constructed a simulation model of EMP lens by utilizing ray tracing method based on the optical software LightTools. The computation results demonstrate that the crosstalk can be reduced to 14% for a nine-view system as compared with the similar system employed LC lens of which the crosstalk was 90%. Because the minimal focal length of EMP lens is much smaller than that of LC lens system, such that the 3D viewing distance and the display thickness of EMP lens are more practical than that of LC lens system.
On the other hand, we compare the 3D viewing quality with the 2D/3D switchable EMP lens and the pure 3D image lenticular lens by varying the view number and the focal length. Finally, we define the 3D display size for different view numbers from the simulation results.
Subjects
electrowetting
electrowetting microprisms
Autostereoscopic 3D Display
2D/3D switchable
crosstalk
viewing zone
lenticular
Type
thesis
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