WHITE REFLECTIVE FILM FOR EDGE-LIGHT TYPE BACKLIGHT, AND LIQUID CRYSTAL DISPLAY BACKLIGHT USING SAME

摘要

TO PROVIDE A WHITE REFLECTIVE FILM FOR AN EDGE LIGHT BACKLIGHT CAPABLE OF IMPROVING THE LUMINANCE AND UNEVENNESS THEREIN, AVOIDING UNEVEN CLOSE CONTACT WITH, AND SCRAPING OF, THE LIGHT GUIDE PLATE, AND MINIMIZING THE CRUSHING OF CONVEXES FORMED ON AT LEAST ONE SIDE OF IT, EVEN IN CASES WHERE THE REFLECTIVE FILM IS LAID DIRECTLY OVER A CORRUGATED CHASSIS DESIGNED TO HOUSE CIRCUITRY, ETC. OR THE REFLECTIVE FILM IS USED IN COMBINATION WITH LEDS, IT IS MADE TO SATISFY ITEMS (I) TO (III) BELOW. (I) IT HAS A STIFFNESS OF 2 TO 10 MN･M. (II) CONVEXES HAVE BEEN FORMED ON AT LEAST ONE FACE (A), AND THEIR MAXIMUM HEIGHT IS 5 TO 60 ΜM. (III) THE ABOVE CONVEXES CONTAIN AN AROMATIC POLYESTER FIGURE 1.