Liquid crystal display device
First Claim
1. A liquid crystal display device, comprising a backlight module having backlight component divided into a plurality of backlight sub-areas, wherein the liquid crystal display device further comprisesa display panel having a display component, wherein pixels on the display panel are divided into a plurality of pixel groups, each pixel group comprises a first pixel group and a second pixel group adjacent to each other, and each of the first pixel group and the second pixel group comprises a first sub-pixel, a second sub-pixel and a third sub-pixel;
- a control component, configured to look up a table to acquire a first voltage signal and a second voltage signal unequal to each other and corresponding to each sub-pixel according to a picture input signal, and enabling a front viewing angle mixing brightness of the sub-pixel alternately driven by the first voltage signal and the second voltage signal to be equivalent to a front viewing angle brightness of the sub-pixel driven by the picture input signal, wherein the picture input signal comprises a first picture and a second picture in adjacent timing sequence;
a drive component, connected to the display component and the control component respectively, and configured to display each picture with two frame images in sequence;
the drive component and the display component are integrated on the display panel;
the two frame images comprise a first frame image and a second frame image;
drive voltages of adjacent two sub-pixels on each frame image comprise a high drive voltage and a low drive voltage, and the drive voltages of each sub-pixel in the first frame image and in the second frame image comprise a high drive voltage and a low drive voltage;
wherein the drive component is further configured to enable the first voltage signal and the second voltage signal of the first sub-pixel of the first pixel group of the first picture to drive the first sub-pixel of the first pixel group and the second pixel group of the first picture respectively;
further configured to enable the second voltage signal and the first voltage signal of the second sub-pixel of the second pixel group of the first picture to drive the second sub-pixel of the first pixel group and the second pixel group of the first picture respectively;
further configured to enable the second voltage signal and the first voltage signal of the first sub-pixel of the second pixel group of the second picture to drive the first sub-pixel of the first pixel group and the second pixel group of the second picture respectively; and
further configured to enable the first voltage signal and the second voltage signal of the second sub-pixel of the first pixel group of the second picture to drive the second sub-pixel of the first pixel group and the second pixel group of the second picture respectively;
a backlight control component, connected to the drive component and configured to determine backlight brightness adjusting signals of each backlight sub-area according to the drive voltages of a first frame image area and a second frame image area corresponding to each backlight sub-area, wherein the backlight brightness adjusting signals are in groups and a group number is same as a variety number of color sub-pixels; and
a backlight adjusting component, connected to the backlight control component and the backlight component respectively, and configured to perform independent brightness adjustment on a backlight source of the sub-pixels of various colors in corresponding backlight sub-areas in respective frame images of a next picture.
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Accused Products
Abstract
The disclosure relates to a liquid crystal display device. The liquid crystal display device includes a drive component, connected to the display component and configured to display each picture with two frame images in sequence; the two frame images include a first frame image and a second frame image; drive voltages of adjacent two sub-pixels on each frame image include a high drive voltage and a low drive voltage, and the drive voltages of each sub-pixel in the first frame image and in the second frame image include a high drive voltage and a low drive voltage; and a backlight control component, connected to the drive component; wherein the backlight control component is configured to determine a backlight brightness adjusting signal of each backlight subarea according to the drive voltages of a first frame image region and a second frame image region corresponding to each backlight subarea.
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Citations
20 Claims
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1. A liquid crystal display device, comprising a backlight module having backlight component divided into a plurality of backlight sub-areas, wherein the liquid crystal display device further comprises
a display panel having a display component, wherein pixels on the display panel are divided into a plurality of pixel groups, each pixel group comprises a first pixel group and a second pixel group adjacent to each other, and each of the first pixel group and the second pixel group comprises a first sub-pixel, a second sub-pixel and a third sub-pixel; -
a control component, configured to look up a table to acquire a first voltage signal and a second voltage signal unequal to each other and corresponding to each sub-pixel according to a picture input signal, and enabling a front viewing angle mixing brightness of the sub-pixel alternately driven by the first voltage signal and the second voltage signal to be equivalent to a front viewing angle brightness of the sub-pixel driven by the picture input signal, wherein the picture input signal comprises a first picture and a second picture in adjacent timing sequence; a drive component, connected to the display component and the control component respectively, and configured to display each picture with two frame images in sequence;
the drive component and the display component are integrated on the display panel;
the two frame images comprise a first frame image and a second frame image;
drive voltages of adjacent two sub-pixels on each frame image comprise a high drive voltage and a low drive voltage, and the drive voltages of each sub-pixel in the first frame image and in the second frame image comprise a high drive voltage and a low drive voltage;wherein the drive component is further configured to enable the first voltage signal and the second voltage signal of the first sub-pixel of the first pixel group of the first picture to drive the first sub-pixel of the first pixel group and the second pixel group of the first picture respectively;
further configured to enable the second voltage signal and the first voltage signal of the second sub-pixel of the second pixel group of the first picture to drive the second sub-pixel of the first pixel group and the second pixel group of the first picture respectively;
further configured to enable the second voltage signal and the first voltage signal of the first sub-pixel of the second pixel group of the second picture to drive the first sub-pixel of the first pixel group and the second pixel group of the second picture respectively; and
further configured to enable the first voltage signal and the second voltage signal of the second sub-pixel of the first pixel group of the second picture to drive the second sub-pixel of the first pixel group and the second pixel group of the second picture respectively;a backlight control component, connected to the drive component and configured to determine backlight brightness adjusting signals of each backlight sub-area according to the drive voltages of a first frame image area and a second frame image area corresponding to each backlight sub-area, wherein the backlight brightness adjusting signals are in groups and a group number is same as a variety number of color sub-pixels; and a backlight adjusting component, connected to the backlight control component and the backlight component respectively, and configured to perform independent brightness adjustment on a backlight source of the sub-pixels of various colors in corresponding backlight sub-areas in respective frame images of a next picture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A liquid crystal display device, comprising a display component and a backlight component divided into a plurality of backlight sub-areas, wherein the liquid crystal display device further comprises
a drive component, connected to the display component, and configured to display each picture with two frame images in sequence; - the two frame images comprise a first frame image and a second frame image;
drive voltages of adjacent two sub-pixels on each frame image comprise a high drive voltage and a low drive voltage, and the drive voltages of each sub-pixel in the first frame image and in the second frame image comprise a high drive voltage and a low drive voltage;a backlight control component, connected to the drive component and configured to determine backlight brightness adjusting signals of each backlight sub-area according to the drive voltages of a first frame image area and a second frame image area corresponding to each backlight sub-area, wherein the backlight brightness adjusting signals are in groups and a group number is same as a variety number of color sub-pixels;
wherein the backlight control component comprisesa counting unit, configured to count average drive voltages of the sub-pixels of various colors in the first frame image area and the second frame image area corresponding to each backlight sub-area; and a calculating unit, configured to solve the backlight brightness adjustment signals according to the average drive voltages, reference backlight brightness signals and reference drive voltages of respective backlight sub-areas; a backlight adjusting component, connected to the backlight control component and the backlight component respectively, and configured to perform independent brightness adjustment on a backlight source of the sub-pixels of various colors in corresponding backlight sub-areas in respective frame images of a next picture; and a backlight module, wherein the backlight component, the backlight control component and the backlight adjusting component are integrated on the backlight module. - View Dependent Claims (20)
- the two frame images comprise a first frame image and a second frame image;
Specification