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COHS cooling technology "to save the chip and the base of the thermal resistance between the unwanted material, and the use of better thermal conductivity substrate, higher than the 60W for the wick, then joined the average temperature faster heat transfer plates. Therefore, this technology has these advantages: module thermal resistance is low, easy to control the junction surface temperature, can provide surface temperature measurements the test junction point, the structure of a low-cost packaging, easy to install, good cooling effect and so on.
digital camera 1 in the water ripples, the phenomenon has been introduced in the display in front of camera with a digital camera, an experienced photographer has experience a large and often appear in the photo is similar to the surface like corrugated irregular lines (such as Figure 1),[link widoczny dla zalogowanych], a great impact on the photo effect. In all angles, different distances, there's very random, and difficult to control.
2,[link widoczny dla zalogowanych], because of the subject screen, photographic equipment, photographic equipment,[link widoczny dla zalogowanych], sensors and monitors are digital devices, is to point the way existing, LED display on the point of the image after the optical lens through the photographic equipment and photographic equipment, sensors correspondence between the decision point of the sensor sampling efficiency for each point.
Figure 2 shows the relationship between the two,[link widoczny dla zalogowanych], because the relative distance between the two different, LED display different spacing, the relative angle between the two different orientation, LED screen highlights of some of the area and not on the proportion of different areas, etc. factors will lead to the coincidence effect of each point is different, complete coincidence of the point sensor in the sensor the higher the brightness value, while the proportion of overlapped at some point is very small, the sensor sensing the brightness value lower, this combination
After the image appears a photosensitive efficiency, and the subject of the image overlay, image in the camera produces similar results as the water ripples (Figure 1) results. 3, the solution of Figure 2 results from the analysis, there are two ways to reduce the effect of such interference, one approach is to try to artificially increase the distance between the midpoint of the two dot matrix optical gap, corresponding to a point as much as possible the number of mid-point of another matrix, so that the efficiency of each point of the photosensitive similar LED display solution is to increase the density of points,