A kind of liquid crystal screen backlight control device, liquid crystal television and mcu chip
A technology of backlight control and LCD screen, which is applied in the direction of TV, TV system components, electrical components, etc. It can solve the problems of not being able to improve the contrast between light and dark of the backlight partition and the layering of the picture, so as to ensure dynamic clarity and improve A sense of hierarchy, to achieve the effect of dimming control
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[0049]In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0050] In the embodiment of the present invention, the brightness data of the N image partitions of the current image frame are calculated by the liquid crystal screen backlight control device including the FRC chip, the MCU chip and the backlight driver chip, and the brightness data of the N image partitions The backlight value converted into N backlight partitions is sent to the microcontroller MCU chip; the N backlight partitions are d...
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