Shenzhen Kadi Display Technology Co., Ltd
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KADI 4.0inch 480*480 display for medical monitors
KD040HWV08NN is a 4.0-inch a-Si TFT-LCD liquid crystal module product launched by KADI. It is equipped with WLED backlight, including LED driver backlight drive, no touch. . In terms of backlight, this product adopts WLED light-emitting edge light source, the service life of the light source is 30K hours, including LED driver. This model is recommended for industrial, car display, medical imaging and other products. This product will be mass-produced in Q2 2020, and the current production status is in mass production.
General Specifications
| Feature | Spec | |
|
Characteristics | Size | 4 0 inch |
| Resolution | 480(horizontal)*480(Vertical) | |
| Interface | RGB-24bit | |
| Connect type | Connector | |
| Display Colors | 16.7M | |
| Technology type | a-Si | |
| Pixel pitch (mm) | 0.149*0.146 | |
| Pixel Configuration | R.G.B-Stripe | |
| Display Mode | Normally Black | |
| LCD Driver IC | ST7701-G5 | |
| Viewing Direction | Full view | |
|
Mechanical | LCM (W x H x D) (mm) | 77.66*78.97*2.3 |
| Active Area(mm) | 71.86 x70. 18 | |
| With /Without TSP | Without TSP | |
| Weight (g) | TBD | |
| LED Numbers | 10 LEDs | |
Note 1: Requirements on Environmental Protection: RoHs
Note 2: LCM weight tolerance: +/- 5%
Optical Characteristics
| Items | Symbol | Condition | Min. | Typ. | Max. | Unit | Remark | Note | |||
| Response time | Tr+Tf |
- | - | 25 | 35 | ms | FIG. 1 | Note4 | |||
| Contrast Ratio | CR | 500 | 700 |
- |
- | FIG.2 | Note1 | ||||
| Surface luminance | LV | θ=0° |
- | 350 |
- | cd/m2 | FIG.2 | Note2 | |||
| Luminance uniformity | Yu | θ=0° | 55 | 60 |
- | % | FIG.2 | Note3 | |||
| NTSC | - | θ=0° | - | 50 | - | % | FIG.2 | Note5 | |||
|
Viewing angle |
|
Center CR≥10 | - | 80 | - | deg | FIG 3 |
Note6 | |||
|
| - | 80 | - | deg | FIG.3 | ||||||
|
| - | 80 | - | deg | FIG.3 | ||||||
|
| - | 80 | - | deg | FIG 3 | ||||||
|
Chromaticity | Red | RX |
θ=0° ∅=0° Ta=25° | 0.5784 | 0.6284 | 0.6784 | - |
FIG.2 CIE1931 |
Note5 | ||
| RY | 0.3046 | 0.3546 | 0.4046 | - | |||||||
| Green | GX | 0 2914 | 0 3414 | 0 3914 | - | ||||||
| GY | 0.5068 | 0.5568 | 0.6068 | - | |||||||
| Blue | BX | 0.0952 | 0. 1452 | 0. 1952 | - | ||||||
| BY | 0 0297 | 0 0797 | 0 1298 | - | |||||||
| White | WX | 0.2511 | 0.3011 | 0.3511 | - | ||||||
| WY | 0.2526 | 0.3026 | 0.3526 | - | |||||||
Actual Product Applications
With the rapid development of the medical industry, the medical level is getting higher and higher, and medical LCD medical terminals appear to enhance hospital management efficiency, reduce medical errors, reduce the labor intensity of medical staff, and improve patient satisfaction. As the core part of the medical terminal, the medical LCD screen bears the main functions and directly affects its normal operation and performance.
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