Transition film of flat panel display and a method using the...

Details Transition film of flat panel display and a method using the... Transition film of flat panel display and a method using the...

2008-07-15

2008-07-15

Visconti, Geraldina (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Liquid crystal process, composition, or product

C430S270100, C428S001100, C428S001200, C252S299010, C349S176000, C438S149000

Reexamination Certificate

active

07399562

ABSTRACT:
A flat panel display comprising a liquid crystal module, a backlight module, and a transition film is disclosed. The backlight module provides light to the liquid crystal module, and the transition film is disposed above the liquid crystal module. The transition film comprises a material capable of filtering light of specific wavelengths. The material can be organic dye material phthal-ocyanine Copper (CuPc) or C32H16N8Cu. The transition film can be an evaporation layer, so the transition film can be formed on the polarizer of the liquid crystal module. The transition film has a transparency ratio with respect to blue light and a transparency ratio with respect to red light, and the ratios range from 0.5 to 0.95. The transparency ratio with respect to blue light is greater than that with respect to red light. The backlight module comprises one or more light emitting diodes (LEDs) to provide light.

REFERENCES:
patent: 2005/0140283 (2005-06-01), Lau et al.
patent: 1499223 (2004-05-01), None
patent: 2002372616 (2002-12-01), None
patent: 2003149632 (2003-05-01), None
CN Office Action mailed May 18, 2007.

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