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PDF LCX028 Data sheet ( Hoja de datos )

Número de pieza LCX028
Descripción 4.6cm (1.8-inch) Black-and-White LCD Panel
Fabricantes Sony 
Logotipo Sony Logotipo



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No Preview Available ! LCX028 Hoja de datos, Descripción, Manual

LCX028ALT
4.6cm (1.8-inch) Black-and-White LCD Panel
Description
The LCX028ALT is a 4.6cm diagonal active matrix
TFT-LCD panel addressed by polycrystalline silicon
super thin film transistors with a built-in peripheral
driving circuit. Use of three LCX028ALT panels
provides a full-color representation. The striped
arrangement suitable for data projectors is capable
of displaying fine text and vertical lines.
The adoption of an advanced on-chip black matrix
realizes a high luminance screen. And cross talk free
circuit and ghost free circuit contribute to high
picture quality.
This panel has a polysilicon TFT high-speed
scanner and built-in function to display images
up/down and/or right/left inverse. The built-in 5V
interface circuit leads to lower voltage of timing and
control signals.
The panel contains an active area variable circuit
which supports 4:3 and 16:9 data signals by changing
the active area according to the type of input signal.
Features
Number of active dots: 1,310,720 (1.8-inch, 4.6cm in diagonal)
4:3 and 16:9 aspect-ratio switching function
4:3 (1280 (H) × 960 (V))
16:9 (1280 (H) × 720 (V))
High optical transmittance: 20% (typ.)
Built-in cross talk free circuit and ghost free circuit
High contrast ratio with normally white mode: 300 (typ.)
Built-in H and V drivers (built-in input level conversion circuit, 5V driving possible)
Up/down and/or right/left inverse display function
Antidust glass package
Element Structure
Dots: 1280 (H) × 1024 (V) = 1,310,720
Built-in peripheral driver using polycrystalline silicon super thin film transistors
Applications
Liquid crystal data projectors
Liquid crystal multimedia projectors
Liquid crystal rear-projector TVs, etc.
The company's name and product's name in this data sheet is a trademark or a registered trademark of each company.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E99141-PS

1 page




LCX028 pdf
LCX028ALT
Input Equivalent Circuit
To prevent static charges, protective diodes are provided for each pin except the power supplies. In addition,
protective resistors are added to all pins except the video signal inputs. All pins are connected to VSS with a
high resistor of 1M(typ.). The equivalent circuit of each input pin is shown below: (Resistance value: typ.)
(1) VSIG1 to VSIG12, PSIG
HVDD
Input
1M
(2) HCK1, HCK2
Input
HVDD
250
250
1M
(3) RGT
Input
HVDD
2.5k
(4) HST
Input
HVDD
250
(5) PCG, VCK
Input
VVDD
250
Signal line
250
250
1M
Level conversion circuit
(2-phase input)
Level conversion circuit
(2-phase input)
2.5k
1M
Level conversion circuit
(single-phase input)
250
Level conversion circuit
(single-phase input)
1M
250
1M
Level conversion circuit
(single-phase input)
(6) VST, BLK, ENB, DWN, VB1, VB2
VVDD
Input
2.5k
(7) COM, COML, COMR
VVDD
Input
2.5kLevel conversion circuit
(single-phase input)
1M
1M
LC
(8) HVDD, VSSG, VVDD
Input
1M
–5–
are all Vss.

5 Page





LCX028 arduino
LCX028ALT
Electrical Characteristics (Ta = 25°C, HVDD = 15.5V, VVDD = 15.5V)
1. Horizontal drivers
Item
Symbol Min. Typ. Max. Unit
Condition
Input pin capacitance HCKn
CHckn — 35 40 pF
HST
CHst — 25 30 pF
Input pin current
HCK1
–1000 –500 — µA HCK1 = GND
HCK2
–1000 –500 — µA HCK2 = GND
HST
–500 –190 — µA HST = GND
RGT
–150 –40 — µA RGT = GND
Video signal input pin capacitance Csig
— 200 250 pF
Current consumption
IH — 17.0 25.0 mA HCKn: HCK1, HCK2 (4.5MHz)
2. Vertical drivers
Item
Symbol Min. Typ. Max. Unit
Condition
Input pin capacitance VCK
CVck — 15 20 pF
VST
CVst
— 15 20 pF
Input pin current
VCK,PCG
–500 –150 — µA VCK = GND, PCG = GND
VST, ENB, DWN, BLK, HB,
VB
–150 –35 —
µA
VST, ENB, DWN,BLK, HB
VB = GND
Current consumption
IV — 4.0 6.0 mA VCK: (32.0kHz)
3. Total power consumption of the panel
Item Symbol Min. Typ. Max. Unit
Total power consumption of the panel PWR — 330 480 mW
4. Pin input resistance
Item
Pin – VSS input resistance
Symbol Min. Typ. Max. Unit
Rpin 0.4 1 — M
5. Uniformity improvement signal
Item Symbol Min. Typ. Max. Unit
Input pin capacitance for uniformity
improvement signal
CPSIGo
15
18
nF
6. COM pin capacitance
Item
COM pin capacitance
(COM, COML, COMR Total)
Symbol Min. Typ. Max. Unit
COM — 25 30 nF
– 11 –

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