JP2007240632A5

JP2007240632A5 -

Info

Publication number: JP2007240632A5
Application number: JP2006059759A
Authority: JP
Filing date: 2006-03-06
Publication date: 2009-04-16

Claims

A driver for driving an electro-optical device,
A memory access circuit for reading out of the first setting information and the second setting information stored in the setting information memory,
Is supplied first power supply voltage, a first control register for the first setting information Ru is set,
Is supplied the second supply voltage, and the third setting information based on the second setting information Ru is set second control register,
A display memory that is supplied with the first power supply voltage and stores gradation data and the second setting information;
Before Kikaicho data, said first setting information, and based on said third setting information, the drive unit for outputting a signal for driving the electro-optical device,
A booster circuit that boosts the first power supply voltage to the second power supply voltage;
Including
De and said third setting information before Symbol second control register after the previous SL second power supply voltage is generated is set driver.

In claim 1,
A level shifter that converts the voltage level of the second setting information into the third setting information;
A serial transfer circuit before Symbol second power supply voltage is read the second setting information after being generated from the previous SL display memory, it is supplied to the level shifter,
Driver, which comprises a.

In claim 1 or 2,
A storage area in which the second setting information is stored in the display memory,
Driver, wherein the gray-scale data is shared with the storage area to be stored in the display memory.

In claim 1 or 2,
A storage area in which the second setting information is stored in the display memory,
Driver, characterized in that provided separately from the storage area where the gradation data to the display memory is stored.

In any one of Claims 1 thru | or 4,
Includes a step-up voltage monitoring circuit for monitoring the level of the second power supply voltage is boosted by the pre-SL booster circuit,
When the second power supply voltage by the boost voltage monitoring circuit has reached a predetermined voltage level is detected, de, characterized in that reading of the second setting information from the display memory is started driver .

In any one of Claims 1 thru | or 5,
A reference voltage generating circuit for generating a reference voltage of the multiple,
A voltage selection circuit for selecting a reference voltage corresponding to gradation data from the plurality of reference voltages ;
Including
The drive unit is
Driver, characterized in that for driving the electro-optical device based on the reference voltage selected by the voltage selection circuit.

In claim 6,
The reference voltage generating circuit is
Driver, characterized in that vary based at least one reference voltage to the second setting information among the plurality of reference voltages.

In any one of Claims 1 thru | or 7,
The setting information memory is
Driver which is a non-volatile memory.

In claim 8,
The setting information memory is
EEPROM (Electrically Erasable Programmable Read Only Memory ) a driver, characterized in that.

In any one of Claims 1 thru | or 9,
Driver, characterized in that it comprises the configuration information memory.

Multiple gate lines,
Multiple source lines,
A plurality of pixels each connected to each gate line of the plurality of gate lines and each source line of the plurality of source lines;
A gate driver that scans the plurality of gate lines;
A source driver composed of the driver according to claim 1, which drives the plurality of source lines ;
An electro-optical device comprising:

An electronic apparatus comprising a driver according to any one of claims 1 to 10.

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