Three-dimensional image display device, portable terminal device, and lenticular lens
A technology of image display and display panel, applied in the direction of lens, image communication, instrument, etc., can solve the problems of lower display quality, glare, low visibility, etc., and achieve the effect of improving display quality
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[0043] Because in the existing three-dimensional image display device of the lenticular method, the striped figure on the chassis is seen and overlaid on the display image, so that the quality of the display image recognized by the viewer is reduced and thus This strip pattern becomes an eyesore in image observation. Then, the inventors of the present invention put themselves into research on the lens pitch L of the cylindrical lens of the double-sided lens and the visibility of the band pattern appearing on the three-dimensional image, and found that when external light is reflected on the lens surface , you will see a ribbon graph.
[0044] The total width of the bright and dark portions of the stripe pattern is equal to the lens pitch L of the cylindrical lenses, and the width of each of the bright and dark portions varies according to the characteristics of external light. Figure 5A is a standard view showing the reflection of light at the surface of the lens when the ext...
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