LCD display device with display density adjusting function

Details LCD display device with display density adjusting function LCD display device with display density adjusting function

2005-11-01

2005-11-01

Awad, Amr A. (Department: 2675)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S058000, C345S087000

Reexamination Certificate

active

06961053

ABSTRACT:
A LCD display device with display density adjusting function characterized by that, in an equipment which comprises a controller, a memory, a LCD drive unit of dynamic drive, a LCD, and an input device for distinguishing a using condition, a display density of said LCD having to be changed in response to the using condition thereof, said controller controls said LCD drive unit so as to be capable of inserting a time period (T0) for outputting approximately same level of voltage to all common terminals and all segment terminals connected to the LCD into one frame period of LCD drive, and said controller selectively selects a value of time period (T0) for outputting approximately same level of voltage to all common terminals and all segment terminals connected to said LCD based on information from said input device for distinguishing a using condition and adjusts a display density of the LCD.

REFERENCES:
patent: 4196432 (1980-04-01), Chihara
patent: 4469449 (1984-09-01), Kato
patent: 5218352 (1993-06-01), Endoh et al.
patent: 5515074 (1996-05-01), Yamamoto
patent: 5805121 (1998-09-01), Burgan et al.
patent: 6633274 (2003-10-01), Yokota et al.
patent: 1-213624 (1989-08-01), None

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