External light shielding layer, filter for display apparatus...

Details External light shielding layer, filter for display apparatus... External light shielding layer, filter for display apparatus...

2011-04-12

2011-04-12

O Shea, Sandra L (Department: 2875)

Illumination

Light source and modifier

Including selected wavelength modifier

C362S097100, C362S097200, C362S561000, C362S627000, C349S104000

Reexamination Certificate

active

07922357

ABSTRACT:
Disclosed are an external light-shielding layer for a display filter preventing occurrence of ghosting using a difference between refractive indexes of a base substrate and an external light-shielding part, and a display filter and display apparatus including the external light-shielding layer. The external light-shielding layer for the display filter comprises a base substrate made of a transparent resin; and at least one external light-shielding part arranged on a surface of the base substrate and filled with an external light-absorption material, wherein nyof a refractive index of the base substrate is less than or equal to nxof a refractive index of the external light-shielding part.

REFERENCES:
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patent: 2006/0044826 (2006-03-01), Marra et al.
patent: 2006/0103779 (2006-05-01), Amemiya et al.
patent: 2007/0152555 (2007-07-01), Park et al.
patent: 2007/0247731 (2007-10-01), Mizusako
patent: 2006-084876 (2006-03-01), None
patent: 10-0579713 (2006-05-01), None
patent: 10-2006-0080116 (2006-07-01), None
Korean Office Action issued in Korean Patent Application No. KR 10-2006-0132228 dated Nov. 16, 2009.
Korean Office Action issued in Korean Patent Application No. 10-2006-0132228, mailed Mar. 8, 2010.

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