Fabless IC for display manufacturer, PM, AM OLED, LCD, LED and more
PM(Passive Matrix)OLED is dot matrix type OLED. It is suitable for sub-display of mobile phone & small size display because of its low manufacturing cost.
LDT has various product line-up to meet customer’s requirement. We are world no1 provider of PMOLED driver IC.
Power Supply
- VDD : 1.65 ~ 3.5V
- VCC_C : 8.0 ~ 16.0V for Column
- VCC_R : 8.0 ~ 16.0V for Row
Display Area
- Max 128 x 40 Line
Graphics RAM
- Dot matrix : 128 x 1 Bit x 40 = 5,120 Bit
Column Driver
- Max 128 Outputs
- Mono
- Maximum Output Current = 255 uA (1 uA Step)
- Next Pin to Pin Current Deviation ±2.0 (Iout = 50uA)
- Current Deviation at 1Chip Max-Min ±4.0 ％ (Iout = 50uA)
- Average Current Deviation against absolute level ±6.0％ (Iout = 50uA)
- 5 Times Peak boot Current Driving
Row Driver
- Max 40 Outputs
- Variable duty ratio (1 to 40)
- ON resistance typical 25ohm
CPU Interface
- 8080 or 6800 series parallel interface
- Serial Peripheral Interface
- I2C Serial Interface
Screen Saver
- Screen Saver Function.
Oscillator
- On-chip RC oscillator
Frame Rate
- Variable Frame Rate (60,75,90,105,120,135)Hz
Crosstalk
- Crosstalk enhancement function (Patent registered )
Internal regulator for row driver
- Selectable Voltage Function. ( 0.8*VCC_C or 0.7*VCC_C )
Power Supply
- VDD : 2.5 ~ 5.5V
- VCC_C : 8.0 ~ 18.0V for Column ( VCC_C ≥ VCC_R )
- VCC_R : 8.0 ~ 18.0V for Row ( VCC_C ≥ VCC_R )
Display Area
- Max 256 x 64 Line
Graphics RAM
- Dot matrix : 256 x 4 Bit x 64 = 65,536 Bit
Column Driver
- Max 256 Outputs
- 16-Gray Scale (PWM : Gamma Function 256 Step)
- Maximum Data Output Current = 510 uA (2uA Step)
- Maximum Peak Output Current = 992 uA (32uA Step)
- Next Pin to Pin Current Deviation ±2.0% (Iout = 100uA)
- Current Deviation at 1Chip Max-Min ±4.0 ％ (Iout = 100uA)
- Average Current Deviation against absolute level ±6.0％ (Iout = 100uA)
Row Driver
- Max 64 Outputs
- Variable duty ratio (1 to 64)
- ON resistance typical 20Ω
CPU Interface
- 8080 or 6800 series parallel interface
- Serial Peripheral Interface
- I2C Serial Interface
On-chip Oscillator
- Internal Resistor Oscillation Mode
Frame Rate
- Programmable Frame Rate (60,75,90,105,120)Hz
Frame Rate
- Programmable Frame Rate (60,75,90,105,120)Hz
Internal regulator for row driver
- Selectable Voltage Function. ( VCC_R = 0.8*VCC_C or 0.7*VCC_C : 2-step )
Power Supply
- VDD : 1.65 ~ 3.3V
- VCC_C : 8.0 ~ 18.0V for Column
- VCC_R : 8.0 ~ 18.0V for Row
Display Area
- Max 128 x 128 Line
Graphics RAM
- Dot matrix : 128 x 4 Bit x 128 = 65,536 Bit
Column Driver
- Max 128 Outputs
- 16Gray
- Maximum Output Current = 255 uA (1 uA Step)
- Next Pin to Pin Current Deviation ±2.0 (Iout = 50uA)
- Current Deviation at 1Chip Max-Min ±4.0 ％ (Iout = 50uA)
- Average Current Deviation against absolute level ±6.0％ (Iout = 50uA)
- 5 Times Peak boot Current Driving
Row Driver
- Max 128 Outputs
- Variable duty ratio (1 to 128)
- ON resistance typical 25ohm
CPU Interface
- 8080 or 6800 series parallel interface
- Serial Peripheral Interface
- I2C Serial Interface
Oscillator
- On-chip RC oscillator
Frame Rate
- Variable Frame Rate (60,75,90,105,120)Hz
Internal regulator for row driver
- Selectable Voltage Function. ( 0.85*VCC_C ~ 0.65*VCC_C )
Power Supply
- VDD : 1.65 ~ 3.3V
- VCC_C : 8.0 ~ 15.0V for Column
- VCC_R : 8.0 ~ 15.0V for Row
Display Area
- Max 128 x 64 Line
Graphics RAM
- Dot matrix : 128 x 1 Bit x 64 = 8192 Bit
Column Driver
- Max 128 Outputs
- Mono
- Maximum Output Current = 255 uA (1 uA Step)
- Next Pin to Pin Current Deviation ±2.0 (Iout = 50uA)
- Current Deviation at 1Chip Max-Min ±4.0 ％ (Iout = 50uA)
- Average Current Deviation against absolute level ±6.0％ (Iout = 50uA)
- 5 Times Peak boot Current Driving
Row Driver
- Max 64 Outputs
- Variable duty ratio (1 to 64)
- ON resistance typical 25ohm
CPU Interface
- 8080 or 6800 series parallel interface
- Serial Peripheral Interface
- I2C Serial Interface
Screen Saver
- Screen Saver Function.
Oscillator
- On-chip RC oscillator
Frame Rate
- Variable Frame Rate (60,75,90,105,120)Hz
Crosstalk
- Crosstalk enhancement function
Internal regulator for row driver
- Selectable Voltage Function. ( 0.8*VCC_C or 0.7*VCC_C )
Power Supply
- VDD : 1.65 ~ 3.5V Interface Power, Logic and Analog Power
- VAH : 8.0 ~ 16.0V for Anode
- VKH : 8.0 ~ 16.0V for Cathode
Display Area
- Max 96 x 8Line
Graphics RAM
- Dot matrix :96 x 8bit x 8 =6,144Bit
AnodeDriver
- Max 96Outputs
- MaximumDataOutput Current = 306uA (1.2uA Step)
- Next Pin to Pin Current Deviation ±2% (Iout = 100uA)
- Current Deviation at 1Chip Max-Min ±4％(Iout = 100uA)
- Average Current Deviation against absolute level ±6.0％(Iout = 100uA)
Cathode Driver
- Max 8Outputs
- ON resistance typical 20Ω
CPU Interface
- Serial Peripheral Interface, I2C Interface
On-chip Oscillator
- Internal RC Oscillation
Driving Method
- PWM (Gray Level is controlled by Pulse Width)
Power Supply
- VCC_C = 8 ~ 18V
- VDD = 1.65 ~ 3.3V
Display Area
- Max. 96(RGB) x 96 (Pixel) for 65K Color
Graphics RAM
- Dot matrix : 96ｘ16 Bitｘ96＝147,456 Bit
Column Driver
- Max 96(RGB) Outputs
- 65K Color
- Maximum Output Current = 255uA (1uA Step), Maximum Peak Current = 1008uA (16 Step)
- Next Pin to Pin Current Deviation±2.0% (Iout = 100uA)
- Current Deviation at 1Chip Max-Min ±4.0% (Iout = 100uA)
- Average Current Deviation against absolute level ±6.0% (Iout = 100uA)
Row Driver
- Max. 96 Outputs
- Variable duty ratio (1 to 96)
- ON resistance typical 25ohm (Max. 40ohm)
CPU Interface
8bit Write and Read
- Address A0 is used to select command and parameter (data)
- Selectable 68/80 series parallel bus or serial interface
- Parallel I/F : write cycle 10MHz
- read cycle 2MHz
- Serial I/F : serial clock 10MHz when write mode,
- serial clock 2MHz when read mode
Advanced Display Features
- Adjustable Frame Frequency (60Hz ~ 120Hz).
- Internal Regulator for Row Driver.
- Color Mode & Gray Mode (288 x 96 Resolution)
- Oscillator & Reference resistor is internal.
Power Supply
- VCC_C = 8 ~ 18V
- VDD = 1.65 ~ 3.3V
Display Area
- Max. 128(RGB) x 128 (Pixel) for 65K Color
Graphics RAM
- Dot matrix : 128ｘ16 Bitｘ128＝262,144 Bit
Column Driver
- Max 128(RGB) Outputs
- 65K Color
- Maximum Output Current = 255uA (1uA Step), Maximum Peak Current = 1008uA (16 Step)
- Next Pin to Pin Current Deviation±2.0% (Iout = 100uA)
- Current Deviation at 1Chip Max-Min ±4.0% (Iout = 100uA)
- Average Current Deviation against absolute level ±6.0% (Iout = 100uA)
Row Driver
- Max. 128 Outputs
- Variable duty ratio (1 to 128)
- ON resistance typical 25ohm (Max. 40ohm)
CPU Interface
8bit Write and Read
- Address A0 is used to select command and parameter (data)
- Selectable 68/80 series parallel bus or serial interface
- Parallel I/F : write cycle 10MHz
- read cycle 2MHz
- Serial I/F : serial clock 10MHz when write mode,
- serial clock 2MHz when read mode
Advanced Display Features
- Adjustable Frame Frequency (60Hz ~ 120Hz).
- Internal Regulator for Row Driver.
- Oscillator & Reference resistor is internal.
