Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2006-04-05
2009-06-09
Nelms, David (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S061000, C349S062000, C362S606000, C362S607000
Reexamination Certificate
active
07545460
ABSTRACT:
A liquid crystal display, optical sheet manufacturing method, and an optical sheet are provided. The occurrence of moiré is prevented while suppressing a reduction in front luminance. The liquid crystal display includes: a liquid crystal display panel; a light source arranged on a back surface side of the liquid crystal display panel; an optical sheet with a light-condensing property arranged between the liquid crystal display panel and the light source, the optical sheet having a number of irregularities arranged continuously on a principal surface of the optical sheet; and a diffuser sheet arranged between the liquid crystal display panel and the optical sheet. The liquid crystal display is constructed so that when an arrangement pitch of the irregularities of the optical sheet is P [μm], a haze value of the diffuser sheet is H [%], a total light transmittance of the diffuser sheet is Tt [%], and a pixel pitch of the liquid crystal display panel is Pp [μm], the following relationship is satisfied: (H/Tt)·(Pp/P)≧1.6.
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Office Action issued by the Japanese Patent Office on May 18, 2007 for corresponding Japanese Patent Application No. 2006-102260.
Abiko Toru
Arima Mitsuo
Hoshi Mitsunari
Ishigaki Masato
Kudo Yasuyuki
Chen W. Patty
K&L Gates LLP
Nelms David
Sony Corporation
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