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LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
3.9 LCD Interface
Figure 3-9-1. LCD Interface of LCD FPCB
The LH240Q40-SD14 model is a Color TFT (Main) LCD supplied by LG Display.
This main LCD has a 2.4 inch diagonally measured active display area with 240x(RGB)x320 resolution.
Each pixel is divided into Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.
Main LCD color is determined with 262K colors signal for each pixel.
The LH240Q40-SD14 has been designed to apply the interface method that enables low power, high speed,
and high contrast.
The LH240Q40-SD14 is intended to support applications where thin thickness, wide viewing angle and low
power consumption are critical factors and graphic displays are important.
VA307
DNI
C326
CN302
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FL305
15pF
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
2.2u
C329
15pF
FL303
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
VAUX_2V85
C328
1u
C327
1u
VBAT
100
R319
0.1u
C330
15pF
FL304
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
VDD_IO_1V8
LCD_RS
LCD_CS_N
LCD_WR_N
LCD_VSYNC
LCD_D[02]
LCD_D[04]
LCD_D[06]
LCD_D[07]
LCD_D[05]
LCD_D[03]
LCD_D[00]
LCD_RST_N
LCD_D[01]
MLED1
MLED3
MLED2
MLED4
MLED5
LED_PWM
LCD_MAKER_ID
IFMODE
IF (IM0)
LCD ID
16BIT : H
35
11
LGIT : HIGH
8 BIT : L