EDP is gradually replacing the existing low voltage differential signal (LVDS) transmission Interface, especially in FHD(1,920x1,080 or 1,920x1,200) or panel (UHD) that exceeds FHD resolution.
EDP can dynamically control the refresh frequency of the display panel, which is designed to reduce power consumption when displaying a still picture. In still images, the panel refresh rate can be reduced from a normal 60 images per second to any frequency that does not produce abnormal or flickering images. Reducing the refresh rate reduces power consumption and extends battery life, with some panels down to 40fps or less.
Another application that USES different display refresh rates is when playing movies or games. In game mode, the screen is often calculated by the graphics computing engine before being displayed, and there will be a delay time in the middle. In this case, the refresh frequency of the panel can be dynamically adjusted to make the screen display smooth, without distortion and delay. When playing the movie, the 24FPS picture can be adjusted to 48FPS, so as to eliminate the situation that the picture is not smooth due to the 3:2 pull-down in the traditional 60FPS mode.
Through AUX channel, eDP can control the following functions of the display panel:
Turn on or off the backlight
Backlight brightness adjustment and backlight PWM frequency are adopted.
Turn on or off dynamic backlight adjustment.
Color engine, jitter algorithm or insert black screen for adjustment.
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The first step: basic processing
First, concrete foundation:
1. Inspection basis (1) Flatness: The height difference measured by a 3m ruler is not more than 3mm;
(2) Water vapor detection: 1m*1m plastic film is compacted with sediment around the surface. If there is water on the membrane on the second day, the basic maintenance time is not enough.
(3) Basic strength: hammering the foundation with a hammer, requiring no emptying;
Requirement: The cement foundation must not be able to reach sand, shell, and oil traces; the standard must be at least C25.
2, to do waterproof bottom coating glossy surface: rolling plastic waterproof side sprinkled quartz sand;
Rough surface: Direct rolling waterproof primer.
Matters needing attention: waterproof primer penetration evenly.
Second, the asphalt base: Acrylic filled emulsion: quartz sand: cement = 1:2:2 ratio back scraping.
The second step: elastic layer construction
The 1:3 modified TPU (elastic material) 5.5?/? + pharmaceutical grade thinner + 25% flower particles + water was mixed and stirred uniformly, and the coating was drawn by pulling or scraping teeth.
The temperature of the scene adds water: According to 5%-15% temperature is 40 °C to 0 °C, the higher the temperature, the less water is added.
Matters needing attention: material mixing material must first put B component elastic material (mass weight) and then into the component A elastic material (light weight), pharmaceutical grade thinner, granules, water stirring.
Step 3: Close the reinforcement layer with iron tanning (modified TPU elastic material 0.5kg/?) Add appropriate amount of rubber powder to level the elastic layer.
Requirements: The surface layer must be flat and non-porous.
The fourth step: spray surface layer
(1:2) and particles according to 1.1 4. The fourth step: meet the surface layer.jpg: 1 plus appropriate amount of solvent sprayed in the forward and backward direction (according to the on-site temperature plus water 5%-15% temperature is 40 °C to 0 °C, temperature The higher the amount of water added, the less.
Matters needing attention: sprayed particles must be uniform, the same thickness!
Step 5: Scribing the site positioning line.
Requirements: exquisite and beautiful, no imaginary edge.
Affirmation: This construction process is applicable to the construction reference of the modified crown TPU material. The specific material ratio and construction depends on the local climate, please contact the company's professional and technical personnel!
13mm modified TPU hybrid plastic runway construction steps