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參數(shù)資料
| 型號(hào)： | HD66134ST |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 240-Channel Segment Driver for a Dot-Matrix STN Liquid Crystal Display with Low-Voltage Drive(點(diǎn)陣STN LCD低壓段碼驅(qū)動(dòng)器) |
| 中文描述： | 240通道段為驅(qū)動(dòng)點(diǎn)矩陣STN液晶顯示器用低電壓驅(qū)動(dòng)器（點(diǎn)陣STN液晶顯示器低壓段碼驅(qū)動(dòng)器） |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 115K |
| 代理商： | HD66134ST |
HD66134ST
11
(2) CC3 and CC4 (shadowing caused by waveform distortion)
M reversed
SEG
COM
SEG
COM
Black
White
Waveform
at (a)
Waveform
at (b)
(Normally black panel)
(a)
(b)
Black
White
White
Black
Black
White
Corresponding
sections
Figure 10 CC3 and CC4
When the background is displayed in grayscale (for example, in a checker pattern), many segment levels
are changed in section (a) but not in section (b). The effective voltage for section (a) becomes low because
distortion occurs in the segment output waveform due to driver or panel impedance. On the other hand, the
effective voltage for section (b) becomes high because the waveform is changed only slightly. Shadowing
occurs in the corresponding sections due to the different voltages.
The HD66134STs compare the present output data and the next output data. If the data is not changed, the
output level is reset to the VM, which corrects the effective voltages in (a) and (b). The high width is
corrected according to the shadowing level for output correction while CC3 and CC4 are high. CC3
corrects the non-selected output pin (black background), and CC4 corrects the selected output pin (white
background).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66135T | 120-Channel High-Voltage Common Driver for a Dot-Matrix STN Liquid Crystal Display(點(diǎn)陣STN LCD的高電壓120通道驅(qū)動(dòng)器) |
| HD66136T | 400-Channel Segment Driver for a Dot-Matrix STN Liquid Crystal Display with Low-Voltage Drive(點(diǎn)陣STN LCD低壓段碼驅(qū)動(dòng)器) |
| HD66137T | High-Voltage Durable 240-Channel Common Driver for Dot-Matrix STN LCD(點(diǎn)陣STN LCD的高電壓耐用240通道驅(qū)動(dòng)器) |
| HD66137 | High-Voltage Durable 240-Channel Common Driver for Dot-Matrix STN LCD |
| HD66204 | DOT MATRIX LIQUID CRYSTAL GRAPHIC DISPLAY COLUMN DRIVER WITH 80-CHANNEL OUPUTS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66135T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66137 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:High-Voltage Durable 240-Channel Common Driver for Dot-Matrix STN LCD |
| HD66137T | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:High-Voltage Durable 240-Channel Common Driver for Dot-Matrix STN LCD |
| HD66204 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:DOT MATRIX LIQUID CRYSTAL GRAPHIC DISPLAY COLUMN DRIVER WITH 80-CHANNEL OUPUTS |
| HD66204F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:DOT MATRIX LIQUID CRYSTAL GRAPHIC DISPLAY COLUMN DRIVER WITH 80-CHANNEL OUPUTS |
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