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參數資料
| 型號： | LM641521 |
| 廠商： | Sharp Corporation |
| 英文描述： | Passive Matrix type LCD UNIT |
| 中文描述： | 無源矩陣型液晶顯示裝置 |
| 文件頁數： | 10/20頁 |
| 文件大小： | 880K |
| 代理商： | LM641521 |
No.
1
0
Driving
t
tic. shows the block
of the
circaitrr.
2 Display Face Configuration
The display
face
electrically consists
of
txo
so
that the unit
offer
higher contrast reducing drive
display
and
ratio.
is driven
duty ratio.
3 Input Data
The LCD driver is bits
LCD driver circuits.
Control Signal
consisting of shift registers, latch circnits and
data
are externally divided into data
for
each
be sequentially transferred in the
registers
Clock
of I-bit parallel data through shift
the left
top
of the display
face.
data oae row
of parallel data for 640 lines of
corresponding drive signal will be
des of the LCD
panel
the LCD drive circuits.
have been input,
will be latched in the form
latch
to the 640 liars of
Thea the
electro-
At this tire, scan start-or
driver to the 1st
row
of
oa the
the combinations of voltages
hu
been transferred
electrodes, and
of
ad
to
the scan
of the data signals are
display face according to
electrodes of the LCD.
half of
scan and
the 1st
ronof
data
640 dots of
clock, t&e
displayed, the
2nd
transferred thaa latched
face proceeds to the 2nd
of data are
falling
of
of display.
drtr
to
lower
to the 240th row
of
of display
face.
display
Then
data
proceeds to the next
Scan start-w
generates
drive horizontal electrodes.
DC voltage, if applied to LCD panel, causes chemical reaction
deteriorate LCD panel,
prevent the generation
of
such DC voltage. Control
inverted
to
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