Fig. 1. IPS display principle.（a）IPS mode；（b）FFS mode.

Fig. 2. Iso-transmittance contours.（a）Dark state；（b）Bright state.

Fig. 3. Iso-contrast ratio

Fig. 4. Schematic diagram of compensation scheme using single biaxial film（a）and two biaxial films（b）

Fig. 5. Iso-transmittance contours of the dark states for（a）single biaxial film and（b）two biaxial films

Fig. 6. Iso-contrast ratio for（a）single biaxial film and（b）two biaxial films

Fig. 7. Schematic diagram of compensation scheme using uniaxial films.（a）+A-A；（b）+A+C；（c）+A+C+A.

Fig. 8. Iso-transmittance contours of the dark states of（a）+A-A，（b）+A+C and（c）+A+C+A configuration.

Fig. 9. Iso-contrast ratio of（a）+A-A，（b）+A+C and（c）+A+C+A.

Fig. 10. Schematic diagram of compensation scheme using uniaxial films.（a）+A+A+C；（b）+A+A-A-A；（c）+A+A+C+A+A.

Fig. 11. Iso-transmittance contours of the dark states.（a）+A+A+C；（b）+A+A-A-A；（c）+A+A+C+A+A.

Fig. 12. Iso-contrast ratio of（a）+A+A+C，（b）+A+A-A-A and（c）+A+A+C+A+A.

Fig. 13. Polar angle dependent light leakage at φ=45°

Fig. 14. Azimuthal angle dependent light leakage at θ=70°

Fig. 15. Wavelength dependent light leakage at φ=45°and θ=70°