1. Dot pitch
Populate pitch describes the range between the 2 surrounding pixel factor on the display. If the display dimension if established, the display screen with a smaller dot pitch presents a clearer and also fine photo. The information of dot pitch originates from the noticeable location dividing the resolution. For the general LCD, a dot pitch of 0.279 mm can provide a penalty and fragile photo. As for the Automobile LCD Monitors, which normally embraces CF Card Player or Vehicle Hard Drive Player, the dot pitch can entirely satisfy the demand, hence, this criterion can be ignored when it involves Car LCD Screens.
2. Resolution
Resolution is just one of one of the most essential acquiring parameters of Automobile LCD Screens. The higher of the resolution is, the much better of the picture will be. Since Car LCD Monitors are normally of little dimension, it is a good LCD if the resolution can reach 720 × 480.
3. Brightness
The maximum brightness of Car LCD Display is normally identified by the backlight. Currently, the illumination of the LCD ranges between 250 ~ 500cd/m2. The greater of the illumination is, the photo will be extra gorgeous, nonetheless, the price will certainly also be greater. Normally, the screen with an illumination less than 250cd/m2 is unworthy taking into consideration.
4. Comparison ratio
The contrast proportion is likewise of much significance in the direction of Car LCD Present. The higher it is, the photo will be much more saturated, as well as much more stereo. On the contrary, the lower it is, the color will be poorer as well as dull. Generally, the correct comparison proportion is over 200:1, as well as a higher one is around 400:1. If it is less than 150:1, you must not choose it.
5. Checking out angle
Seeing angle describes the optimum angle from which people' eyes can see the display. The ale, the far better. If the watching angle is small, there will certainly be distortion on the image if the individual's sight deviated a little from the screen, even can not see the picture. The suitable checking out angle of the Vehicle LCD Screen is over 120 level (Straight) as well as the upright downwards viewing angle is over 70 °. Considering its price, LCD is normally created with a upwards watching angel of 75 ° and also a downwards checking out angle of 55 °. If we do not give it technical process, this type of screen will wasted its upwards seeing angle and also at the same time, the downwards viewing angle can not fulfill the need. Consequently, the Car LCD Display ought to keep its screen inverted to satisfy the demand in the lorry environments.
6. Reaction time
This specification is essential, on account of the truth that it figures out if there will be tail phenomena. Action time describes the time the LCD needs to switch over from illumination to darkness or the other way around. Typically speaking, the much shorter the action time is, the better. Individuals won't come across blur or sticking around traces when they are looking at the relocating images if the response time is brief. According to the action time of the eyes, there will certainly be slow moving images if the action time mores than 100 nanoseconds. Currently, the conventional reaction time varies in between 50-80 milliseconds, and some state-of-the-art LCD's reaction time varies in between 25-30 milliseconds. If the action time is at 80 nanoseconds, there won't be tailing sensations. What deserves discovering is that feedback time includes ascending time as well as descending time, while some makes only indicate rising time or descending time, which may misdirects our customers.
7. Color
The expressiveness of the shade is the most vital criterion when choosing Car LCD Displays. As most of us understand, any color of the nature is constituted of 3 standard colors, particularly, red, eco-friendly and blue. Each independent pixel color of the LCD is regulated by the 3 standard shades. The majority of the LCD's fundamental shade reaches 6 numbers, that is 64 sorts of efficiency indications, after that each independent pixel has 64 × 64 × 64= 262144 type of colors. A majority of the LCD has only 262,144 shades, even the state-of-the-art ones. The 32 figures( 16,777,216) labeled by the producers originates from interpolation or dithering algorithm, which is far poorer than the real 32 numbers. The display screen can offer a good shade if it reaches 26M.
The above stated are some essential criteria when selecting a LCD, and absolutely, there are a few other specifications and also approaches to monitor the high quality of the screen. Nonetheless, you will certainly get a gratifying LCD product if you maintain the above 7 essential criteria in mind.
1. Dimension
Currently, three dimensions are available for the instructors: 15", 17", 19", 26". The choice of the dimension should be the primary step of selecting Automobile LCD Screen. If it's extra-large, it will cause not only waste in investment, however the space as well, as a result, the choice of dimension is really vital. Normally, the if the coach's size is less than 7 meters, it ought to be 15", and also 17" or 19" for the coach of 7 meters to 10 meters, and for the coaches longer than 10 meters, it needs to choose 17" or 19". Some state-of-the-art trainers might select 26", and also sleeper train usually choose 15".
2. Setup
Long-distance coaches normally select hand-operated flip displays, including forward-flip as well as backward-flip. High-grade instructors take on mechanized flip displays, making the within a lot more luxurious. Bus marketers must pick set installment, therefore it can't be folded heads up display car aftermarket once it is set up, to ensure that the screen is always on.
3. Voltage
In basic, gas engine car is 12V, and diesel motor vehicle is 24V, and we must pick corresponding products. We do not always have to choose supposed 12,24 V interchangeable items, therefore the fact that it might cause several problems. Currently, the regular domestic as well as abroad Car LCD Display manufactures all adopt 12V, 24 V separated layout.
4. LCD
To get a new Car LCD Screen is the biggest dream of every client, however, there are great deals of overhauled pre-owned Car LCD Screens of low cost and also definitely, the top quality of the product can not be ensured. Here, I will offer you some tips on identify whether the screen is old or new:
Currently, the mainstream dimension are: 15"( 4:3), 17"( 4:3), 19"( 16:9). If you see other sizes with quite small cost, then you should be cautious.
In enhancement, we need to observe the brightness. If the brightness is also low or also high, we must be alert. The illumination of 15" ranges in between 250-400, 250-500 for 17" and 300-550 for 19". It is second handed if the brightness is too reduced, as well as spruced up one if the brightness is too expensive. It's absolutely nothing of a key to set up fluorescent tube on old displays.
Ultimately, we need to have a look at the port. If the freshly manufactured Lorry LCD Screen is substitute port, after that you need to pass by it, considering that LVDS electronic port has actually been the mainstream port considering that 3 years ago.
5. Upside down Screen
Because downwards checking out angle is of much value to the car screens, inverted display modern technology is additionally important. You can activate the monitor and also make a contrast of the downwards as well as upwards, after that you will recognize whether it is a great one or bad.
6. Explosion-proof
Since Lorry LCD Screens are utilized in public areas, the protection of the LCD is of much significance, as well as select the explosion-proof product is the initial selection when purchasing the Vehicle LCD Displays, specifically in buses. In addition, you need to attempt to pick HD items ideally, because it actually offers fine images. Besides the credible first-class items, we after-sales solution is an additional crucial element. You must not choose the assembled products, since it has hereditary flaws in there layout, although it guarantees a 3 months service warranty.