Patent · US Active

Image display apparatus

US8111235B2 · kind B2 · utility

3Cited by

3References

21Claims

0Family size

Assignee

Kabushiki Kaisha Toshiba · JP

Inventors

Masahiro Baba · Yokohama, JP
Goh Itoh · Tokyo, JP

Key dates

Filing date	Mar 4, 2008
Grant date	Feb 7, 2012
Priority date	—
Expiry date	Dec 7, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG09G2360/16
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An image display apparatus includes an image display unit having a light source and a light modulating unit; a histogram generating unit; a function generating unit; a first brightness calculating unit; a second brightness calculating unit; a first difference calculating unit; a first multiplying unit; a first summation calculating unit; a first brightness gradient calculating unit; a second brightness gradient calculating unit; a second difference calculating unit; a second multiplying unit; a second summation calculating unit; a weighted linear sum calculating unit; a determination unit; a control parameter selecting unit; and a control unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.