2.8インチTN TFT LCDモジュール - 320×240表示
The 2.8″ TN TFT LCD module from JicTech delivers a 320×240 resolution with clear visuals and compact design. With SPI or MCU interface options, this cost-effective display is ideal for handheld devices, industrial controls, and embedded IoT systems.
Product Details:
1. General Specification
| Item | 仕様 | 備考 |
|---|---|---|
| LCDサイズ | 2.8 inch | |
| パネルタイプ | a-Si TFT active matrix | TN, Normally White |
| 決議 | 240RGB(H) × 320(V) pixels | |
| 表示モード | TN / Normally White | |
| 色数 | 262K colors | |
| Viewing Direction (Gray Inversion) | 12 O’clock | |
| コントラスト比 | 500 (typ.) | |
| ルミナンス | 480 cd/m² (typ.) | |
| Module Size (H×V×T) | 50.00 × 69.20 × 3.45 mm | |
| Active Area (H×V) | 43.20 × 57.60 mm | |
| Pixel Size (H×V) | 0.18 × 0.18 mm | |
| ドライバーIC | ST7789V2 | |
| 光源 | 4 LEDs (White) | Parallel connection |
| インターフェース | RGB parallel | Includes RTP (Resistive Touch Panel) pins |
| 動作温度 | -20°C~+70°C | |
| 保存温度 | -30°C ~ +80°C | |
| 重量 | TBD |
2. Electrical Characteristics
| パラメータ | シンボル | 最小 | タイプ | マックス | 単位 |
|---|---|---|---|---|---|
| System Voltage | VDD | 2.4 | 2.75 | 3.3 | V |
| Interface Operation Voltage | VDDI | 1.65 | 1.8 | 3.3 | V |
| Input High Voltage | VIH | 0.7×VDDI | – | VDDI | V |
| Input Low Voltage | VIL | VSS | – | 0.3×VDDI | V |
| Output High Voltage | VOH | 0.8×VDDI | – | VDDI | V |
| Output Low Voltage | VOL | VSS | – | 0.2×VDDI | V |
3. Backlight Characteristics
| Item | シンボル | 最小 | タイプ | マックス | 単位 | コンディション |
|---|---|---|---|---|---|---|
| Forward Voltage | Vf | 2.8 | 3.0 | 3.3 | V | If=80mA |
| LED Configuration | – | – | 4 LEDs parallel | – | – | |
| White CIE x | x | 0.26 | 0.28 | 0.32 | – | If=80mA |
| White CIE y | y | 0.26 | 0.28 | 0.32 | – | If=80mA |
4. Optical Characteristics
| Item | シンボル | 最小 | タイプ | マックス | 単位 | コンディション |
|---|---|---|---|---|---|---|
| コントラスト比 | CR | – | 500 | – | – | Normal angle |
| Luminance (Center) | Lv | 430 | 480 | – | cd/m² | |
| 明るさの均一性 | δWHITE | 80 | – | – | % | |
| 応答時間(Tr+Tf) | – | – | 16 | – | ms | |
| 視野角(CR≧10) | ||||||
| – 3:00 / 9:00 | θ | – | 45 | – | 度 | |
| – 6:00 | θ | – | 50 | – | 度 | |
| – 12:00 | θ | – | 20 | – | 度 | |
| NTSC Ratio | – | – | 55% | – | – |
5. Absolute Maximum Ratings
| パラメータ | シンボル | 最小 | マックス | 単位 |
|---|---|---|---|---|
| 電源電圧 | VDD | –0.3 | +4.6 | V |
| Logic Supply Voltage | VDDI | –0.3 | +4.6 | V |
| Input Voltage Range | VIN | –0.3 | VDDI+0.5 | V |
| Output Voltage Range | VO | –0.3 | VDDI+0.5 | V |
| 動作温度 | Top | –20 | +70 | °C |
| 保存温度 | Tst | –30 | +80 | °C |
6. Pin Description (40-pin FPC Connector)
| Pin(s) | シンボル | 説明 |
|---|---|---|
| 1 | GND | System Ground |
| 2 | LEDA | LED Anode (+) |
| 3–6 | LEDK1–LEDK4 | LED Cathodes (–) |
| 7–10 | XR, YU, XL, YD | Resistive Touch Panel (RTP) Pins |
| 11 | リセット | Reset Signal |
| 12 | VSYNC | Vertical Sync |
| 13 | HSYNC | Horizontal Sync |
| 14 | DOTCLK | Dot Clock |
| 15 | ENABLE | Data Enable |
| 16–21 | R0–R5 | Red Data (6-bit) |
| 22–27 | G0–G5 | Green Data (6-bit) |
| 28–33 | B0–B5 | Blue Data (6-bit) |
| 34–36 | SD0, SDI, SCL | Serial Interface Pins |
| 37 | CS | Chip Select |
| 38 | IOVCC | I/O Power (1.65–3.3V) |
| 39 | VCI | Analog Power (2.4–3.3V) |
| 40 | GND | System Ground |
7. Reliability & Inspection
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Reliability Tests: High/Low temperature storage & operation, thermal shock, ESD (±6kV/±8kV).
-
Lifetime: 20,000 hours under normal operating conditions.
-
Inspection Standard: MIL-STD-105E, Level II, AQL: MAJ=0.65, MIN=1.5.
8. Key Features
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Integrated 4-wire Resistive Touch Panel (RTP)
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High brightness (480 cd/m²) and contrast (500:1)
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RGB parallel interface for fast graphics rendering
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6-bit color per channel (262K colors)
-
Robust TN panel with EWV polarizer
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Compact module with built-in backlight driver
9. Applications
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Human-Machine Interfaces (HMI)
-
Portable medical devices
-
Industrial control panels
-
Point-of-Sale (POS) terminals
-
Handheld test and measurement equipment
-
Interactive consumer electronics
技術資料ダウンロード
ダウンロードはこちらからFULL SPEC-JV028T1CSR-02B(02D)
All specifications are based on the official product specification sheet (Ver: 02). For mechanical drawings, touch panel performance details, and full inspection criteria, please refer to the original document.
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