CN203414708U

CN203414708U - Field order control color liquid crystal display

Info

Publication number: CN203414708U
Application number: CN201320556660.9U
Authority: CN
Inventors: 权建华; 周学秀; 周小军; 蒋丽; 张梅霞
Original assignee: NANJING HWUARY LIQUID CRYSTAL DISPLAY TECHNICAL CO Ltd
Current assignee: Nanjing CEC Panda LCD Technology Co Ltd
Priority date: 2013-09-09
Filing date: 2013-09-09
Publication date: 2014-01-29
Anticipated expiration: 2023-09-09

Abstract

The utility model relates to a field order control color liquid crystal display comprising a control circuit board 12, an RGB (red, green, blue) backlight controller 13, a monochrome liquid crystal display 14, a backlight controller 15 and an LCD display driver 16, wherein the RGB backlight controller 13 and the monochrome liquid crystal display 14 on the control circuit board 12 are arranged sequentially; the backlight controller 15 is controlled by a synchronizing signal of the LCD display drive controller 16; the monochrome liquid crystal display 14 synchronously controlling the RGB backlight controller 13 displays colors. The display device adopts a black-and-white liquid crystal display, adopts an RGB backlight cycled display manner to synthesize colors, does not need a color light filter with complex manufacture process and is simple to manufacture. As a light filter with color filter function is not adopted, light use ratio is improved, power consumption is reduced, and heat is reduced. As sub-pixel with spatial arrangement is not adopted, resolution can be improved, and display precision can be improved.

Description

Field order is controlled colour liquid crystal display device

Technical field

The utility model relates to a kind of single colour liquid crystal display that utilizes and coordinate the colored field order showing of RGB formation backlight to control colour liquid crystal display device, utilize three son demonstration fields of RGB to synthesize colored demonstration, belong to technical field of liquid crystal display.

Background technology

Colored demonstration can provide more information and better visual experience to user than white and black displays.In field of liquid crystal display, it is all to utilize colored filter to form coloured image that general colour shows, utilizes exactly spacing color mixed principle to carry out trichromatic colour mixture.This mode need to utilize complicated technology to make colored filter, and shows that transmitance is low, and power consumption is large.

Summary of the invention

A kind of RGB of the utilization field order that coordinates an order control LCDs to carry out colored demonstration backlight the utility model proposes is controlled colour liquid crystal display device, its objective is the synthetic colour of visual persistence that utilizes human eye, belongs to time mixing color.On display screen, first show red display content, red backlight by the demonstration backlight of backlight controller synchro control, on screen, seem to be exactly red demonstration, then on display screen, first show green displaying contents, the red green glow of simultaneous display backlight, on screen, seem to be exactly green demonstration, then on display screen, first show blue displaying contents, demonstration simultaneous display blue light backlight, on screen, seem to be exactly blue demonstration, circulation is got up like this, on screen, will cause colored display effect by time mixing color.Displaying contents shows that by three subfield content " addition " forms.

Technical solution of the present utility model a: order is controlled colour liquid crystal display device, its structure comprises that control circuit board, RGB are backlight, single colour liquid crystal display, backlight controller, LCD display driver, wherein RGB backlight controller, the single colour liquid crystal display on control circuit board sets gradually, the synchronizing signal control end of LCD display driver controller connects respectively backlight controller, RGB signal input part backlight, backlight controller is controlled by the synchronizing signal of LCD display driver controller, the single colour liquid crystal display display color that synchro control RGB is backlight.

Advantage of the present utility model: display device adopts black-and-white crystal display screen, the mode that adopts RGB circulation backlight to show is synthetic colored, does not need the colored filter of complex manufacturing technology, makes simple.Owing to not adopting the optical filter of colour filter function, light utilization improves, and has reduced power consumption, has reduced heating.Do not adopt the sub-pixel of spatial arrangement, can improve resolution, improve display precision.

Accompanying drawing explanation

Accompanying drawing 1 is the structural representation of single colour liquid crystal display.

Accompanying drawing 2 is that an order is controlled color monitor displaying principle schematic diagram.

Accompanying drawing 3 is that an order is controlled color monitor structural representation.

In figure 1 is upper ito glass, the 2nd, frame glue, the 3rd, and lower ito glass, the 4th, liner, the 5th, lower ITO layer, the 6th, liquid crystal layer, the 7th, lower vertical alignment film, the 8th, lower polaroid, the 9th, transit point, the 10th, upper vertical orientation film, the 11st, upper polaroid, the 12nd, control circuit board, the 13rd, RGB is backlight, the 14th, single colour liquid crystal display, the 15th, backlight controller, the 16th, LCD display driver.

Embodiment

Contrast accompanying drawing 1, single colour liquid crystal display, its structure comprises ito glass 1, frame glue 2, lower ito glass 3, liner 4, lower ITO layer 5, liquid crystal layer 6, lower vertical alignment film 7, lower polaroid 8, transit point 9, upper vertical orientation film 10, upper polaroid 11, wherein in the outside of glass liquid crystal cell, attach respectively polaroid 11 and lower polaroid 8, described glass liquid crystal cell is made under frame glue 2 and liner 4 fixing by upper ito glass 1 and lower ito glass 3, on lower ITO layer 5, it is liquid crystal layer 6, in frame glue 2, there is transit point 9, upper ito glass 1 is coated with vertical orientation film 10, on lower ito glass 3, be coated with lower vertical alignment film 7, in the outside of glass liquid crystal cell, attach respectively polaroid 11 and lower polaroid 8.

During enforcement, use ito glass 1 and lower ito glass 3 and make liquid crystal cell under frame glue 2 and liner 4 fixing, lower ITO layer 5 on glass is etched into required pattern, in frame glue, there is transit point 9, on on glass being coated with, vertical orientation film 10 and lower vertical alignment film 7, attach respectively polaroid 11 and lower polaroid 8 in the outside of glass liquid crystal cell.

Contrast accompanying drawing 2, field order is controlled color monitor displaying principle, dye liquid crystal light valve in single colour liquid crystal display adopts rapid response type liquid crystal, liquid crystal cell box is thick is 3um, at liquid crystal cell, added up and down partially and analyzing polaroid, during work, utilize driving voltage to control the transmitance that fast response liquid crystal molecular distortion angle in liquid crystal cell changes light.

RGB backlight 13 includes red-light LED array of display, green light LED array of display, blue-ray LED array of display, can separately show by the control of backlight controller red, green, blue backlight.

Described backlight controller 15 is controlled by the synchronizing signal of LCD display driver controller 16, the display color of synchro control RGB backlight 13.

LCD driving governor produces to exchange and drives signal to drive LCD different pixels displaying contents under the control of user MCU, provides synchronizing signal to backlight controller simultaneously, makes the color of RGB demonstration backlight and LCD displaying contents corresponding, synchronous.

Contrast accompanying drawing 3, field order is controlled color monitor structure, comprise that control circuit board 12, RGB are backlight 13, single colour liquid crystal display 14, backlight controller 15, LCD display driver 16, wherein backlight 13, the single colour liquid crystal display 14 of the RGB on control circuit board 12 sets gradually, backlight controller 15 is controlled by the synchronizing signal of LCD display driver controller 16, single colour liquid crystal display 14 display colors of synchro control RGB backlight 13.

Field order is controlled the method for making of color monitor, comprises the steps:

1) on upper and lower two ito glasses, pass through respectively exposure etching, on the ITO of upper and lower glass layer, form pattern;

2) on the upper and lower ito glass 3 of upper ito glass 1, be coated with alignment liquid SE3310, thickness is 800 dusts, and is heated to 270 degrees Celsius, after solidifying, forms alignment film, then with friction cloth, rubs and form the groove of 45 degree on alignment film;

3) in lower ito glass surrounding, serigraphy upper side frame glue (model XN-5A-C); Upper ito glass edge, serigraphy conductive material (model XN-5A-C:SI-GH027:AU-203=100:0.3:0.3), thickness is 10 microns, on ito glass, spray the liner (model EX-0025) of 2.5um diameter, density is 200/mm2, then upper and lower two ito glasses are fit together, 180 degrees Celsius of hot pressing are solidified frame adhesive;

4) liquid crystal injecting port of the liquid crystal sylphon forming after solidifying, utilizes vacuum impregnation to inject specific liquid crystal (model HRD12100-100+L811H (P=7.5)), and inlet is coated to sealing compound (model 3781), then ultra-violet curing;

5) by the liquid crystal cell that injects liquid crystal with ultrasonic and add cleaning fluid and clean up, below glass case, stick 45 degree polaroid 11(model SLP-5215-L4), above glass case, paste polaroid 8(model SLP-5215-L4 on 45 degree) realize full black matrix;

6) by backlight controller (model: A8504) with LCD display controller (model: RA8860) be welded on control circuit board;

7) according to the schematic diagram of accompanying drawing 3, ready-made single colour liquid crystal display 14 and RGB is backlight 13, backlight controller 15 fits together, the sequential control color monitor of complete.

Claims

1. an order is controlled colour liquid crystal display device, it is characterized in that comprising that control circuit board, RGB are backlight, single colour liquid crystal display, backlight controller, LCD display driver, wherein RGB backlight controller, the single colour liquid crystal display on control circuit board sets gradually, and the synchronizing signal control end of LCD display driver controller connects respectively backlight controller, RGB signal input part backlight.

2. according to claim 1 order controlled colour liquid crystal display device, it is characterized in that described RGB red-light LED array of display, green light LED array of display, the blue-ray LED array of display of including backlight.

3. according to claim 1 order controlled colour liquid crystal display device, the structure that it is characterized in that described single colour liquid crystal display comprises ito glass, frame glue, lower ito glass, liner, lower ITO layer, liquid crystal layer, lower vertical alignment film, lower polaroid, transit point, upper vertical orientation film, upper polaroid, wherein by upper ito glass and lower ito glass, under frame glue and liner fixing, make glass liquid crystal cell, in the outside of glass liquid crystal cell, attach respectively polaroid and lower polaroid, on lower ITO layer, it is liquid crystal layer, in frame glue, there is transit point, upper ito glass is coated with vertical orientation film, on lower ito glass, be coated with lower vertical alignment film.

4. the method for making of according to claim 3 order control colour liquid crystal display device, is characterized in that the thick 3um of being of described glass liquid crystal cell box.