Color signal correction circuit, color signal correction apparatus, color signal correction method, color signal correction program, and display apparatus
US6778184B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2002 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Aug 24, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0285
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color signal correction circuit for correcting a color signal which displays data on each pixel of a display apparatus, comprising: a color signal input section for inputting a color signal of N bits (N is a natural number); an addition section for adding second and third color signals corresponding to first and second adjacent pixels which are adjacent to the predetermined pixel to obtain addition value data; a first comparison section for subtracting duplicated color signal data, which is obtained by duplicating a first color signal corresponding to the predetermined pixel, from the addition value data to obtain a difference value; a LSB determination section for determining an LSB according to the difference value; and a color signal generation section for adding N higher order bits of the duplicated color signal data and the LSB, so as to generate a color signal of (N+1) bits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.