High color reflective liquid crystal display

Abstract

A high-color-ratio reflective liquid crystal display includes: a first substrate comprising a thin-film transistor layer and a pixel electrode layer, a high-color-ratio, high-brightness color filter layer, a second substrate, a display material layer sandwiched between the first and second substrates, and a polarizing layer disposed on one side of the second substrate. The pixel electrode layer comprises a plurality of pixel electrodes. The high-color-ratio, high-brightness color filter layer comprises a plurality of filter unit groups, each filter unit group comprising at least six different color filter blocks, including a plurality of primary color filter blocks and a plurality of non-primary color filter blocks. Each filter block corresponds one-to-one with a pixel electrode. The display material layer is filled with liquid crystal display material.

Claims

1. A high-color reflective liquid crystal display, comprising: a first substrate, including a first surface and a second surface, the second surface having a thin-film transistor layer and a pixel electrode layer, the thin-film transistor layer including a plurality of thin-film transistors, a plurality of gate lines and a plurality of data lines, the pixel electrode layer including a plurality of pixel electrodes; a high-color, high-brightness color filter layer including a plurality of filter unit groups, each filter unit group including at least six different color filter blocks, the different color filter blocks including a plurality of primary color filter blocks and a plurality of non-primary color filter blocks; each filter block corresponding one-to-one with a pixel electrode; a second substrate, including a third surface and a fourth surface; a display material layer sandwiched between the first substrate and the second substrate, the display material layer being filled with liquid crystal display material; a polarizing layer disposed on one side of the second substrate; wherein the plurality of non-primary color filter blocks include magenta filter blocks, yellow filter blocks and cyan filter blocks; The multiple primary color filter blocks include red, blue, and green filter blocks.

2. The high-color reflective liquid crystal display as described in claim 1, wherein when the reflective liquid crystal display displays white in its entirety, its display brightness is not less than 30% of the incident light brightness.

3. The high-color reflective liquid crystal display as described in claim 1, wherein the plurality of non-primary color filter patches contain at least two different colors, and one of the non-primary color filter patches has a full width at half maximum (FWHM) of more than 150 nm in the visible light range of 380 nm to 780 nm.

4. The high-color reflective liquid crystal display as described in claim 1, wherein the filter unit group is composed of the red filter block, the blue filter block, the green filter block, the magenta filter block, the yellow filter block, and the cyan filter block arranged side by side in the longitudinal or transverse direction.

5. The high-color reflective liquid crystal display as described in claim 1, wherein the filter unit group is formed by arranging the red filter block, the blue filter block, the green filter block, the magenta filter block, the yellow filter block, and the cyan filter block in a longitudinal or transverse direction.

6. The high-color reflective liquid crystal display as described in claim 1, wherein the filter unit group is formed by alternating arrangement of the red filter block, the blue filter block and the green filter block, the magenta filter block, the yellow filter block and the cyan filter block in the longitudinal or transverse direction.

7. The high-color reflective liquid crystal display as claimed in claim 1, wherein each of the filter unit groups is arranged to extend laterally and longitudinally to form a complete color filter layer.

8. The high-color reflective liquid crystal display as described in claim 7, wherein the color filters of adjacent filter units are arranged in a specific displacement relationship.

9. The high-color reflective liquid crystal display as described in claim 1, wherein the red filter block, the blue filter block, the green filter block, the magenta filter block, the yellow filter block, and the cyan filter block form a 6x6 filter block matrix, and the 6x6 filter block matrix is ​​arranged in the longitudinal and transverse directions to form the high-color, high-brightness color filter layer.

10. The high-color reflective liquid crystal display as claimed in claim 1, wherein any of the color filters is different in color from the surrounding adjacent color filters.

11. The high-color reflective liquid crystal display as claimed in claim 1, wherein any two adjacent color filters do not overlap in the projection direction, or the overlapping area in the projection direction is less than 20 percent of the area of ​​the color filters.

12. The high-color reflective liquid crystal display as described in claim 1 further includes a reflective layer disposed on the first substrate.

13. The high-color reflective liquid crystal display as described in claim 12, wherein the reflective layer is a metal layer disposed on the first surface side of the first substrate.

14. The high-color reflective liquid crystal display as described in claim 14, wherein the reflective layer is the pixel electrode layer.

15. The high-color reflective liquid crystal display as claimed in claim 1, wherein the plurality of primary color filter blocks include a red filter block formed by superimposing magenta and yellow blocks, a blue filter block formed by superimposing magenta and cyan blocks, and a green filter block formed by superimposing yellow and cyan blocks.

16. The high-color reflective liquid crystal display as described in claim 15, wherein the high-color, high-brightness color filter layer is completed using the same photomask through three photolithography processes.

17. The high-color reflective liquid crystal display as claimed in claim 1, wherein in areas where red needs to be displayed, the liquid crystal display controls the movement and accumulation of charged white particles onto the surfaces of a red filter block corresponding to the primary color, and a magenta and yellow filter block corresponding to the non-primary colors to display red.

18. The high-color reflective liquid crystal display as claimed in claim 1, wherein in areas where green needs to be displayed, the liquid crystal display controls the movement and accumulation of charged white particles onto the surfaces of the corresponding primary color green filter block, and the non-primary colors cyan and yellow filter blocks to display green.

19. The high-color reflective liquid crystal display as claimed in claim 1, wherein in areas where blue is to be displayed, the liquid crystal display controls the movement and accumulation of charged white particles onto the surfaces of corresponding primary color blue filter blocks, non-primary color magenta and cyan filter blocks to display blue.

20. The high-color reflective liquid crystal display as claimed in claim 1, wherein in areas where yellow is to be displayed, the liquid crystal display controls charged white particles to move and accumulate on the surfaces of corresponding non-primary color yellow filter blocks, primary color red and green filter blocks to display yellow.

21. The high-color reflective liquid crystal display as claimed in claim 1, wherein in areas where cyan is to be displayed, the liquid crystal display controls the movement and accumulation of charged white particles onto the surfaces of corresponding non-primary color cyan filter blocks, primary color blue and green filter blocks to display cyan.

22. The high-color reflective liquid crystal display as claimed in claim 1, wherein in the area displaying magenta, the liquid crystal display controls the movement and accumulation of charged white particles onto the surfaces of corresponding non-primary color magenta filter blocks, primary color red and blue filter blocks to display magenta.

23. The high-color reflective liquid crystal display as claimed in claim 1, wherein in areas where white needs to be displayed, the liquid crystal display controls the movement and accumulation of charged white particles onto the surfaces of corresponding non-primary color yellow, magenta, and cyan color filters and primary color blue, red, and green color filters to display white.

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