IP Library › Granted Patent US 6,644,824
Granted Patent Utility
US 6,644,824 · Confirmation No. 1138

LIGHT UNIT USING POINT LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY USING THE SAME LIGHT UNIT

Inventor: Masatake Baba
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-09-08 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-12-21 TRNA Transmittal of New Application 1 View
2001-12-21 SPEC Specification 27 View
2001-12-21 CLM Claims 4 View
2001-12-21 ABST Abstract 1 View
2001-12-21 DRW Drawings-only black and white line drawings 14 View
2001-12-21 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,644,824
App. No.
10/027,014
Filed
2001-12-21
Granted
2003-11-11
Pub. No.
US20020080433A1
Art Unit
2875
PTA
-7 days