JP2003091270A5

JP2003091270A5 -

Info

Publication number: JP2003091270A5
Application number: JP2002139086A
Authority: JP
Filing date: 2002-05-14
Publication date: 2005-09-29

Claims

Switching elements provided corresponding to the intersections of the scanning lines and the data lines;
An image processing circuit used in an electro-optical device having a pixel electrode provided corresponding to the switching element,
Correction means for correcting the input image signal to generate a corrected image signal;
Generating means for dividing the corrected image signal into a plurality of systems and extending the time axis to generate a phase expanded image signal phase expanded into a plurality of systems;
Means for supplying a phase development image signal corresponding to each data line for each block in which the data lines are grouped into a plurality of lines,
The correction unit includes a correction table that stores correction data generated based on the error for each system generated in the phase development image signal supplied to the block for each luminance level, and performs correction from the correction table. Reading the data to generate a correction signal, correcting the input image signal based on the correction signal to generate the corrected image signal;
An image processing circuit.

The correction means includes a plurality of correction tables, a first correction table that stores correction data corresponding to a white level, a second correction table that stores correction data corresponding to an intermediate level, and a black level. The image processing circuit according to claim 1, further comprising: a third correction table that stores correction data corresponding to.

The correction means includes a plurality of correction tables each corresponding to a luminance level, a luminance level determination circuit, and an interpolation circuit,
The luminance level determination circuit compares the luminance level of the input image signal with a reference level and outputs a determination signal;
The interpolation circuit selects a plurality of correction tables from the correction table based on the determination signal, reads the correction data from the selected correction table, and interpolates the read correction data, The image processing circuit according to claim 1, wherein the correction signal is generated.

Switching elements provided corresponding to the intersections of the scanning lines and the data lines;
An image processing circuit used in an electro-optical device having a pixel electrode provided corresponding to the switching element,
A correction circuit for correcting the input image signal to generate a corrected image signal;
A phase expansion circuit that divides the corrected image signal into a plurality of systems and expands the time axis to generate a phase expanded image signal that is phase expanded into a plurality of systems;
An inverting circuit for inverting a voltage level with respect to a reference potential of the phase development image signal at a predetermined period;
Means for supplying a phase development image signal corresponding to each data line for each block in which the data lines are grouped into a plurality of lines;
With
The correction circuit generates the corrected image signal by correcting an error generated in the phase development image signal by a transfer characteristic from the phase development circuit to the inversion circuit;
An image processing circuit.

The image processing circuit according to claim 4, wherein the correction circuit corrects a variation in error of the transfer characteristic that occurs in each phase development system.

Switching elements provided corresponding to the intersections of the scanning lines and the data lines;
An image processing circuit used in an electro-optical device having a pixel electrode provided corresponding to the switching element,
A correction circuit for correcting the input image signal to generate a corrected image signal;
A phase expansion circuit that divides the corrected image signal into a plurality of systems and expands the time axis to generate a phase expanded image signal phase expanded into a plurality of systems;
A D / A conversion circuit for converting the phase development image signal from a digital signal to an analog signal;
With
The correction circuit generates the corrected image signal by correcting an error generated in the phase development image signal by the D / A conversion circuit;
An image processing circuit.

The image processing circuit according to claim 6, wherein the correction circuit corrects a variation in an error of the D / A conversion circuit generated for each phase development system.

The image processing circuit according to claim 6, wherein the correction circuit corrects the input image signal with a correction signal generated based on an error generated in the phase development image signal.

Switching elements provided corresponding to the intersections of the scanning lines and the data lines;
An image processing circuit used in an electro-optical device having a pixel electrode provided corresponding to the switching element,
Correction means for correcting the input image signal based on the correction data to generate a corrected image signal;
With
The correction means includes a correction table that stores the correction data for each luminance level, reads the correction data from the correction table, corrects the input image signal based on the read correction data, and corrects the correction. Generating a finished image signal,
An image processing circuit.

Switching elements provided corresponding to the intersections of the scanning lines and the data lines;
An image processing circuit used in an electro-optical device having a pixel electrode provided corresponding to the switching element,
A D / A conversion circuit for converting the input image signal from a digital signal to an analog signal;
A correction circuit for correcting an error generated in the analog signal by the D / A conversion circuit;
An image processing circuit comprising:

An image processing circuit according to any one of claims 1 to 10,
An electro-optical device having a switching element provided corresponding to an intersection of a scanning line and a data line, and a pixel electrode provided corresponding to the switching element.

An electronic apparatus comprising the electro-optical device according to claim 11.

Switching elements provided corresponding to the intersections of the scanning lines and the data lines;
A driving method of an electro-optical device having a pixel electrode provided corresponding to the switching element,
Correcting the input image signal to generate a corrected image signal;
Dividing the corrected image signal into a plurality of systems and extending the time axis to generate a phase expanded image signal phase expanded into a plurality of systems;
Inverting a voltage level with respect to a reference potential of the phase development image signal at a predetermined period;
Supplying a phase development image signal corresponding to each data line for each block in which the data lines are grouped into a plurality of lines;
With
The step of generating the corrected image signal generates the corrected image signal by correcting an error generated in the phase expanded image signal by a transfer characteristic from the phase expanding circuit to the inverting circuit.
A method for driving an electro-optical device.

Switching elements provided corresponding to the intersections of the scanning lines and the data lines;
A driving method of an electro-optical device having a pixel electrode provided corresponding to the switching element,
Correcting the input image signal to generate a corrected image signal;
Dividing the corrected image signal into a plurality of systems and extending the time axis to generate a phase expanded image signal phase expanded into a plurality of systems;
Converting the phase development image signal from a digital signal to an analog signal;
With
The step of generating the corrected image signal includes generating the corrected image signal by correcting an error generated in the phase development image signal by the D / A conversion circuit.
A method for driving an electro-optical device.