Method of establishing uniformization compensation corresponding table
A technology of homogenization and correspondence table, applied in the field of algorithm, which can solve problems such as overheating and undertemperature
Active Publication Date: 2017-12-19
ICP ELECTRONICS +1
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[0003] Based on the above principles, the general matrix heater may have slightly different characteristics of each heating element in the device when it leaves the factory. Therefore, when the matrix heater is heated again, some areas may be overheated or overheated. Because of this, in order to make the temperature uniformity of the matrix heater reach a certain standard, it is necessary to add a circuit for temperature correction in the product design and add it to the matrix heater. Strict temperature correction procedures are added to the production process of the heater
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[0057] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open-ended term, so it should be interpreted as "including but not limited to".
[0058] In order to enable the examiner to have a further understanding and understanding of the structural features and technical effects achieved by the present invention, a preferred embodiment and a detailed description are provided, as follows:
[0059] see figure 1 , which is a flowchart of a method for establishing a uniform compensation correspondence table according to the first embodiment of the present invention. As shown ...
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The invention relates to a method of establishing a uniformization compensation corresponding table. The method comprises the following steps of measuring a plurality of measurement areas of a plane to be uniformized to obtain a measurement value respectively; according to the measurement value and a distance of the measurement value and a center position of the plane, calculating a center uniform estimation value of the center position of the plane; through the measurement value and the center estimation value, forming a linear skeleton; according to the measurement value, the center uniform estimation value and the distance of the measurement value and the center position of the plane, using an interpolation or extrapolation mode to sequentially calculate a plurality of skeleton uniform estimation values of the linear skeleton; and according to the skeleton uniform estimation values of the adjacent linear skeletons, sequentially calculating a plurality of plane uniform estimation values of the plane to establish the uniformization compensation corresponding table for subsequent uniformization compensation. An nonuniform phenomenon of the plane is avoided, and when the method is used in an image field, a mosaic phenomenon is not generated.
Description
technical field [0001] The invention relates to an algorithm, in particular to a method for establishing a uniform compensation correspondence table. Background technique [0002] With the continuous development of image and video technology, liquid crystal display devices or plasma displays with high image quality and high resolution have attracted people's attention. In order for the display device to display a good image quality, the display device must not only display good color quality, but also must try to achieve perfect brightness uniformity of the screen. Taking a liquid crystal display device as an example, if a non-brightness-corrected liquid crystal display device is carefully observed with the naked eye, ordinary people can easily find that the brightness of regions in the liquid crystal display device and between regions are not the same. Secondly, if it is actually measured with a photometer, it can be found that when different pixels represent the same gray...
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Login to View More IPC IPC(8): G09G3/00
CPCG09G3/006G09G2320/0233
Inventor 詹凯程叶仲浩吕其衡
Owner ICP ELECTRONICS