42英寸WUXGA TFT LCD显示屏LD420WUN-SCA1技术规格书（ROLEY Ver1.1）

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本资源是一份名为《LD420WUN-SCA1_Final CAS for ROLEY_Ver1.1_100701 - 显示屏技术规格书》的专业嵌入式LCD液晶显示屏技术手册，由LG Display Co., Ltd. 提供。该规格书详细列出了产品的特性、性能和操作要求，旨在确保买家对42.0英寸宽视角（WUXGA）TFT LCD显示屏有全面了解。 1. **产品概述**: - 该型号为LD420WUN，带有SCA1后缀（已通过RoHS验证），在获取标准认可时，建议仅使用型号名而无需后缀。 - 特别指出，此规格书是最终版本，适用于审批，并要求购买者在确认时签名并提供反馈。 2. **安全处理注意事项**: - 书中包含了关于保护膜的处理指导，强调了在安装和存储过程中应遵循的预防措施，以确保显示屏的安全。 3. **电气规格**: - 详细列出了电气特性和接口/逆变器连接规范，包括信号电平、电源顺序等，这些都是确保显示屏与设备正确交互的关键参数。 - 信号定时规格也有所涉及，包括数据传输时间表，这对于同步和通信性能至关重要。 4. **颜色数据参考**: - 规格书中还提供了色彩数据参考，可能包括色彩深度、色域、对比度等指标，以确保显示效果符合预期。 5. **光学规格**: - 本部分涵盖显示屏的光学特性，如亮度、视角、分辨率、透光率等，这些参数对视觉体验和显示质量有着直接的影响。 6. **版本管理和批准流程**: - 规格书包含了修订记录和审批流程，由团队领导、项目经理和工程师分别负责准备、审查和批准，以保证规格书的准确性和一致性。这份技术规格书是设计师、制造商和用户在选择、应用或评估LD420WUN嵌入式LCD显示屏时的重要参考资料，确保了产品的性能、兼容性和可靠性。在阅读和使用时，务必遵循其中的指导，以确保显示屏的最佳性能表现。

Product Specification

7 /38

LD420WUN

Ver. 1.1

5Hz120NTSC

4Hrs60,00050,000Life Time

Pulse Duty

Level (PWM)

(Burst mode)

PWM Frequency for

NTSC & PAL

High: Lamp on

Low : Lamp off

VDC5.0-2.5High Level

Lamp:

VDC0.8-0.0Low Level

Power Consumption (TBD)

IBL_BBefore Aging

IBL_AAfter Aging

Power Supply

Input Current

3min3

TsDischarge Stabilization Time

Brightness Adjust

164149

-PBL

6.8

6.2-

5Hz100PAL

7.3

6.7-

VBL = 22.8V

EXTVBR-B = 100%

A11--IRUSHPower Supply Input Current (In-Rush)

On Duty

%100-30EXTVBR-B

Inverter :

Input Voltage for

Control System

Signals

VDC25.224.022.8VBLPower Supply Input Voltage

On/Off

Off

On VDC5.0-2.5VON

VDC0.80.0-0.3VOFF

Parameter Symbol

MaxTypMin

NoteUnit

Values

Table 3. ELECTRICAL CHARACTERISTICS (Continue)

Note

1. Electrical characteristics are determined after the unit has been ‘ON’ and stable for approximately 120

minutes at 25±2°C. The specified current and power consumption are under the typical supply Input voltage

24Vand VBR (EXTVBR-B : 100%), it is total power consumption.

2. Electrical characteristics are determined within 30 minutes at 25±2°C.

The specified currents are under the typical supply Input voltage 24V.

3. The brightness of the lamp after lighted for 5minutes is defined as 100%.

TS is the time required for the brightness of the center of the lamp to be not less than 95% at typical current.

The screen of LCD module may be partially dark by the time the brightness of lamp is stable after turn on.

4. Specified Values are for a single lamp which is aligned horizontally.

The life time is determined as the time which luminance of the lamp is 50% compared to that of initial value

at the typical lamp current (EXTVBR-B :100%), on condition of continuous operating at 25± 2°C

5. LGD recommend that the PWM freq. is synchronized with Two times harmonic of Vsync signal of system.

6. The duration of rush current is about 10ms.

7. EXTVBR-B is based on input PWM duty of the inverter.

Product Specification

8 /38

LD420WUN

Ver. 1.1

3-2. Interface Connections

This LCD module employs two kinds of interface connection, 51-pin connector is used for the module

electronics and 14/12-pin connector is used for the integral backlight system.

3-2-1. LCD Module

Table 4. MODULE CONNECTOR(CN1) PIN CONFIGURATION

-LCD Connector (CN1) : FI-R51S-HF(manufactured by JAE)

Refer to below table.

- Mating Connector : FI-R51HL(JAE) or compatible

No Symbol Description No Symbol Description

GND Ground

Bit Select

‘H’ or NC= 10bit(D) , ‘L’ = 8bit

NC No Connection

R2AN

SECOND LVDS Receiver Signal (A-)

NC No Connection

R2AP

SECOND LVDS Receiver Signal (A+)

NC No Connection (Reserved for LGD)

R2BN

SECOND LVDS Receiver Signal (B-)

NC No Connection (Reserved for LGD)

R2BP

SECOND LVDS Receiver Signal (B+)

NC No Connection (Reserved for LGD)

R2CN

SECOND LVDS Receiver Signal (C-)

LVDS Select

‘H’ =JEIDA , ‘L’ or NC = VESA

R2CP

SECOND LVDS Receiver Signal (C+)

EXTVBR-B

External VBR (From System)

GND

Ground

VBR-Bo out

OPC output (From LCM)

R2CLKN

SECOND LVDS Receiver Clock Signal(-)

OPC Enable

‘H’= Enable, ‘L’ or NC=Disable

R2CLKP

SECOND LVDS Receiver Clock Signal(+)

GND

Ground

GND

Ground

R1AN

FIRST LVDS Receiver Signal (A-)

R2DN

SECOND LVDS Receiver Signal (D-)

R1AP

FIRST LVDS Receiver Signal (A+)

R2DP

SECOND LVDS Receiver Signal (D+)

R1BN

FIRST LVDS Receiver Signal (B-)

R2EN

SECOND LVDS Receiver Signal (E-)

R1BP

FIRST LVDS Receiver Signal (B+)

R2EP

SECOND LVDS Receiver Signal (E+)

R1CN

FIRST LVDS Receiver Signal (C-)

No Connection

R1CP

FIRST LVDS Receiver Signal (C+)

No Connection

GND

Ground

GND Ground

R1CLKN

FIRST LVDS Receiver Clock Signal(-)

GND Ground

R1CLKP

FIRST LVDS Receiver Clock Signal(+)

GND Ground

GND

Ground

NC No connection

R1DN

FIRST LVDS Receiver Signal (D-)

VLCD Power Supply +12.0V

R1DP

FIRST LVDS Receiver Signal (D+)

VLCD Power Supply +12.0V

R1EN

FIRST LVDS Receiver Signal (E-)

VLCD Power Supply +12.0V

R1EP

FIRST LVDS Receiver Signal (E+)

VLCD Power Supply +12.0V

No Connection

- - -

Note

1. All GND(ground) pins should be connected together to the LCD module’s metal frame.

2. All VLCD (power input) pins should be connected together.

3. All Input levels of LVDS signals are based on the EIA 644 Standard.

4. Specific pins(pin No. #2~#6) are used for internal data process of the LCD module.

These pins should be no connection.

5. LVDS pin (pin No. #24,25,40,41) are used for 10Bit(D) of the LCD module.

If used for 8Bit(R), these pins are no connection.

6. Specific pin No. #44 is used for “No signal detection” of system signal interface.

It should be GND for NSB(No Signal Black) during the system interface signal is not.

If this pin is “H”, LCD Module displays AGP(Auto Generation Pattern).

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