Drive method and drive IC (integrated circuit) used for LCD (liquid crystal display) panel

Abstract

The invention aims to provide a drive method and a drive IC (integrated circuit) used for an LCD (liquid crystal display) panel based on a 2n-primary-color sub-pixel structure. A sub-pixel array of the LCD panel is M*N and the LCD panel is based on the 2n-primary-color sub-pixel structure; the drive IC of the LCD panel based on a 3-primary-color sub-pixel structure is utilized in the drive method, and the number of signal source channels of the drive IC is at least N; in a row direction, integral multiple of 2n columns of sub-pixels are taken as a unit, two columns of sub-pixels are taken as a sub-unit for continuous same integral multiple of 2n columns of sub-pixels in every two continuous units, and the drive IC and two signal source channels corresponding to each sub-unit are crossly connected to two columns of sub-pixels in the corresponding sub-unit, so that the polarities of the sub-pixels same in color in each row are enabled to be complementary. Compared with the prior art, the drive method enables the polarities of the sub-pixels of each color in the row direction to be complementary, so that shift of public voltage cannot occur and color display deviation is avoided.

Description

technical field [0001] The invention relates to the technical field of LCD panels, in particular to a driving technology for LCD panels. Background technique [0002] A traditional liquid crystal panel (LCD) adopts the specification that one pixel has three sub-pixels, and the three sub-pixels respectively display the three primary colors of red (R), green (G) and blue (B). The display of the three primary colors is achieved by coating the three sub-pixels with color-resist coatings of different colors. Generally speaking, the color-resist coating will absorb 2 / 3 of the white backlight, so that the overall transmittance of the liquid crystal module is not high. . [0003] In response to this situation, a new 4-color sub-pixel specification has emerged, which can additionally display white (W) or other colors in addition to the three primary colors. If the sub-pixels are coated with transparent color resist, they can display white, and the brightness of the backlight is not...

AI Technical Summary

Problems solved by technology

The display of the three primary colors is achieved by coating the three sub-pixels with color-resist coatings of different colors. Generally speaking, the color-resist coating will absorb 2 / 3 of the white backlight, so that the overall transmittance of the liquid crystal module is not high.

[0016] The situation of the even-numbered rows such as the 2nd row and the 4th row is similar, but it becomes the common voltage V com The overall deviation in the negative direction will eventually cause the display colors of the second and fourth rows to deviate

[0020] The situation of the even-numbered rows such as the 2nd row and the 4th row is similar, but it becomes the common voltage V com The overall deviation towards the positive direction will eventually cause the display colors of the 2nd and 4th rows to deviate

[0021] As can be seen, Figure 3a and the example shown in b with Figure 2a It is the same type as the example shown in b, but Figure 3a and b are more serious, so that it will also damage the use of terminals using this arrangement of liquid crystal panels

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