Abstract: A stable manufacturing efficiency generating method includes the steps: generating a real-time grouping parameter set according to a plurality of historical efficiency values; grouping a plurality of real-time efficiency values corresponding to a product to generate a plurality of real-time efficiency groups according to the real-time grouping parameter set; selecting one of the real-time efficiency groups having most real-time efficiency values as a stable efficiency group; and generating a stable manufacturing efficiency value according to an average value of the real-time efficiency values in the stable efficiency group.

Abstract: A production performance management device and a production performance management method thereof are provided. The production performance management device includes a connection interface, a storage and a processor. The connection interface receives production data. The storage stores the production data and a production performance management program. The processor runs the production performance management program. The production performance management program defines a main objective, a plurality of measurement indices, a plurality of factors, a custom mapping function between the main objective and the measurement indices and a plurality of specific mapping functions between the measurement indices and the factors, and uses the custom mapping function and the specific mapping functions to decide a factor value of each of the factors from the production data to make a main objective value of the main objective meet a main constraint.

Abstract: An overdriving value generating method adapted to a liquid crystal display (LCD) is provided. The overdriving value generating method includes the following steps. A current gray value and a previous gray value are received. A first gray reference value and a second gray reference value closed to the current gray value, and a first previous gray reference value and a second previous gray reference value closed to the previous gray value, and four first overdriving values are obtained according a look-up table (LUT). A target overdriving value corresponding to the current gray value and the previous gray value is obtained through a four dots interpolation operation or a parallelogram interpolation operation according to the current gray value, the previous gray value, the first gray reference value, the second gray reference value, the first previous gray reference value, the second previous gray reference value, and the first overdriving values.

Abstract: A security display system including security glasses and a security display is provided. The security display includes a noise image generator, a synchronous packet generator, a display unit and an image asymmetry generator. The noise image generator generates a noise image signal according to a normal image signal. The synchronous packet generator outputs a synchronous packet to the security glasses. The display unit displays a normal image according to the normal image signal in a glasses-open period and a noise image according to the noise image signal in a glasses-shut period. The image asymmetry generator corresponds to a first brightness integral when displaying the normal image in the glasses-open period, and to a second brightness integral when displaying the noise image the glasses-shut period. The second brightness integral is greater than the first brightness integral.

Abstract: An overdriving value generating method adapted to a liquid crystal display (LCD) is provided. The overdriving value generating method includes the following steps. A current gray value and a previous gray value are received. A first gray reference value and a second gray reference value closed to the current gray value, and a first previous gray reference value and a second previous gray reference value closed to the previous gray value, and four first overdriving values are obtained according a look-up table (LUT). A target overdriving value corresponding to the current gray value and the previous gray value is obtained through a four dots interpolation operation or a parallelogram interpolation operation according to the current gray value, the previous gray value, the first gray reference value, the second gray reference value, the first previous gray reference value, the second previous gray reference value, and the first overdriving values.