Processing method and processing device for dots of diffusion plate
A processing method and diffusion plate technology, which are applied to lighting devices, fixed lighting devices, lighting and heating equipment, etc., can solve the problems of inaccuracy and cumbersome dot design of diffusion plates, and achieve a simple design process, accurate dot design parameters, and economical savings. The effect of processing time
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Embodiment 1
[0057] In the processing method of the dots of the diffusion plate provided by the present invention, the present embodiment shows that the process of optical instruments collecting the brightness data of the backlight module is as follows:
[0058] (1) Preheat the backlight module in a dark room environment for 30 minutes. After preheating, the backlight module works stably, which is convenient for collecting its brightness image in the subsequent steps;
[0059] (2) Adjust the screen of the backlight module to the full white field, and use the optical instrument CCD image sensor to collect brightness images. The full white field is the case where the values of R, G, and B are all 255. At this time, the brightness of the backlight module is the highest. The luminance data of the luminance image obtained is also more accurate, and the luminance image such as Figure 4 as shown ( Figure 4 In the rectangular frame area, the black area in the center has the highest brightness...
Embodiment 2
[0063] The brightness data collected by the optical instrument, for example, after the brightness data is collected by the process provided in Embodiment 1, the processing module processes the brightness data as follows:
[0064] (1) The processing module classifies the luminance data collected by optical instruments. After classification, the luminance data values in the same range have a small difference, so that the same dot density function can be designed for the luminance data in the same range, making the dot design process Simplify, such as Figure 4 Shown is the white field image of the backlight module captured by optical instruments. The high-brightness areas are concentrated in the center, and the low-brightness areas are concentrated in the surrounding positions. meter) and below the brightness value can be classified into one category, the brightness of 95nit to 170nit can be classified into one category, the brightness of 170nit to 195nit can be classified int...
Embodiment 3
[0068] In this embodiment, the process of processing data with the processing module provided by the present invention is shown as follows:
[0069] 1) Arrange the input data from small to large, and extract the value of 60% of the points arranged from small to large as the threshold, for example: 11, 13, 15, 16, 18, 23, 24, 25, 28, 30, 60% of the ten numbers are the sixth number 23, and 23 is the threshold in this array;
[0070] 2) Compare all data with this threshold (23), if it is greater than or equal to this threshold, multiply by a multiple of 1.3, if it is less than this threshold, the value remains unchanged;
[0071] 3) Classify all the data, classify with 10 as a grade, the procedure adopted during classification is as follows:
[0072]
[0073] 4) Extract the maximum and minimum values in the data respectively;
[0074] 5) After normalizing the processed data, multiply all the data by 100.
[0075] Through the above processing, the function of the brightnes...
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