CN101739975B - Method for adjusting display effects of liquid crystal display module - Google Patents
Method for adjusting display effects of liquid crystal display module Download PDFInfo
- Publication number
- CN101739975B CN101739975B CN2008102178380A CN200810217838A CN101739975B CN 101739975 B CN101739975 B CN 101739975B CN 2008102178380 A CN2008102178380 A CN 2008102178380A CN 200810217838 A CN200810217838 A CN 200810217838A CN 101739975 B CN101739975 B CN 101739975B
- Authority
- CN
- China
- Prior art keywords
- striped
- black
- lcd module
- liquid crystal
- gtg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a method for adjusting display effects of a liquid crystal display module. The method comprises the following steps: S11, writing a black-and-white gray scale picture with a first strip and a second strip in the liquid crystal display module, wherein the first strip and the second strip are arranged in cross from up to down and have the same uniform gray scale; S12, producing the liquid crystal display module in small batch for determining a certain scale with the optimum display effect; S13, drawing a boundary line on the last surface of the certain scale with the optimum display effect; and S14, re-writing a standard picture, drawn with a boundary line, of the last surface of the certain scale in the liquid crystal module. In the method, the OTP adjustment is more accurate by utilizing black-and-white gray scale picture of the first and second strips arranged in cross from up to down; moreover the method for drawing the boundary line by a line on the last surface of the certain scale with the optimum display effect shortens the manufacturing time of LCM and enhances the production efficiency.
Description
[technical field]
The invention belongs to field of liquid crystal display, relate in particular to a kind of method of adjusting the LCD MODULE display effect.
[background technology]
21 century is the epoch of LCD widespread use, and with the master that is applied as of liquid crystal TV set, PC, mobile communication terminal, liquid crystal display device market begins to occur growth at full speed.A large amount of in the market LCD (Liquid Crystal Display that use; Abbreviation LCD) mainly contains film super twisted nematic type (Film Super Twisted Nematic; Abbreviation FSTN), colorful ultra-twist nematic (Color Super Twisted Nematic; Be called for short CSTN) and thin film transistor (TFT) (Thin FilmTransistor is called for short TFT).Wherein the CSTN type is mainly used in undersized LCD demonstration, like demonstrations such as MP3, MP4, mobile phones.
CSTN product on the market all is that it is made up of LCD, LCD controller, flexible print circuit board, back light unit with the LCD MODULE form appearance of (Liquid Crystal Module is called for short LCM).LCD controller is through order set, and adjustment is applied to series of parameters, characteristics such as voltage on the pixel, phase place, frequency, peak value, effective value, sequential, dutycycle and sets up certain drive condition, make show changeful.How to adjust register value and make liquid crystal reach good display, need parameter and many practices with reference to liquid crystal display.Generally speaking, voltage setting value, bias voltage, multiplication of voltage register three's combination can be adjusted display brightness, the color saturation of LCD, and the high more display brightness of voltage that is added on the liquid crystal is bright more, and showing can whiting, and color saturation is relatively poor.Multiplication of voltage output valve (VOP) optimum operating voltage with liquid crystal itself as far as possible is consistent, and the multiplication of voltage output valve is low excessively, and liquid crystal can't be worked; The multiplication of voltage output valve is too high, can shorten the liquid crystal life-span, shows whiting.We can be provided with parameter and accomplish the coupling with the liquid crystal parameter characteristic through adjusting different multiplication of voltage output valves for a spot of LCD, thereby obtain reasonable display effect.But for production in enormous quantities, because the difference of manufacturing process, make the liquid crystal parameter generation deviation of LCD, VOP value of fixedly installing of LCD controller can not with its coupling, will occur showing dense partially or light partially, i.e. the bad situation of contrast.In order to address this problem; LCD controller has been released one-time programming (One TimeProgrammable; Be called for short OTP) function; The OTP function can not change under the situation of order set to the setting of VOP value; Through impressed voltage LCD controller is carried out the VOP deviate that burning action will adjust and write LCD controller, be complementary thereby finally reach VOP value and the liquid crystal optimum operating voltage that LCD controller exports, the LCD demonstration just can obtain more satisfactory display effect.
Can find out from above analysis; The OTP function plays important effect in producing the relatively consistent LCM of display effect in enormous quantities, reach the consistent effect of comparison after how could letting the display effect of each sheet LCM of producing in enormous quantities through the OTP adjustment and become each LCM manufacturer to need the problem of solution badly.
Present most of LCM manufacturer selects for use the general colour picture of a width of cloth to contrast adjustment; Show that with a definite brightness, all more satisfactory LCM of contrast the effect of a width of cloth colour picture is that standard items are placed on the next door, other LCM is that template is carried out brightness, contrast adjustment with standard items under same width of cloth colour picture.Simultaneously, other LCM is that template is adjusted the OTP deviate with standard items under same colour picture, at last with the burned LCD controller of this deviate, promptly obtains showing more approaching effect with standard items.
Operation by aforementioned OTP can find out that can the colour picture that the OTP adjusting stage uses be after OTP adjusts, really obtain conforming display effect to different LCM and play a part crucial.
But existing method has following weak point:
1, the colour picture color is too abundant; Different operation personnel differ to the contrast and the brightness effects judgement of colour picture; Thereby the product that possibly cause it to think that adjustment is consistent with the standard items display effect; In fact departed from the demonstration of standard items, caused inconsistent phenomenon after the artificial adjustment, OTP adjustment precision is not high;
2, after operating personnel need check the display effect of next door standard items template earlier when carrying out the OTP operation, carry out the adjustment of OTP more at every turn, prolonged the manufacturing time of LCM, production efficiency is lower.
[summary of the invention]
Technical matters to be solved by this invention provides a kind of method of improving the LCD MODULE display effect, when having solved existing LCM and having made OTP adjustment precision not high with the lower problem of production efficiency.
The present invention realizes through following technical scheme:
A kind of method of improving the LCD MODULE display effect wherein, may further comprise the steps:
S11: in LCD MODULE, write black and white GTG picture with one first striped and one second striped, the arrangement of reporting to the leadship after accomplishing a task up and down of first striped and second striped, first striped has identical even GTG with second striped;
S12: carry out this LCD MODULE of small serial production, to confirm that optimal display result is at certain single order;
S13: certain single order of optimal display result backmost with line drawing on the boundary line;
S14: write in the LCD MODULE again with the normal pictures in boundary line in the line drawing certain single order backmost;
Wherein, among the said step S11, first striped and second striped report to the leadship after accomplishing a task up and down the mode of arranging can be for: first striped from black in vain, second striped is from vain to black; Perhaps, first striped from vain to black, second striped from black in vain.
In the present invention; The black and white GTG picture that has one first striped and one second striped through use; The arrangement of reporting to the leadship after accomplishing a task up and down of first striped and second striped; First striped has identical even GTG with second striped, rejected human eye the susceptibility difference of colour picture is caused the inconsistent problem of adjustment, makes the OTP adjustment more accurate; Simultaneously; Certain single order of optimal display result backmost with line drawing on the boundary line; Then certain single order write the method in the LCD MODULE with the normal pictures in boundary line in the line drawing backmost again; Constantly confirm the time that display effect spent of next door standard items template in the time of can removing the OTP operation from, shortened the manufacturing time of LCM, improved production efficiency.
[description of drawings]
Characteristic of the present invention and advantage will combine accompanying drawing to be elaborated through embodiment.
Fig. 1 gathers figure at the method step of the adjustment LCD MODULE display effect that provides of the embodiment of the invention;
Fig. 2 is the even GTG picture of the black and white of reporting to the leadship after accomplishing a task up and down that the embodiment of the invention provides;
[embodiment]
Fig. 3 is the normal pictures that the embodiment of the invention provides.
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Please refer to Fig. 1: a kind of method of adjusting the LCD MODULE display effect wherein, may further comprise the steps:
S11: in LCD MODULE, write black and white GTG picture with one first striped and one second striped, the arrangement of reporting to the leadship after accomplishing a task up and down of first striped and second striped, first striped has identical even GTG with second striped;
S12: carry out this LCD MODULE of small serial production, to confirm that optimal display result is at certain single order;
S13: certain single order of optimal display result backmost with line drawing on the boundary line;
S14: with backmost writing in the LCD MODULE again of certain single order with the normal pictures in boundary line in the line drawing.
Please refer to shown in Figure 2; In the method for said adjustment LCD MODULE display effect; In LCD MODULE, write black and white with one first striped and one second striped, evenly GTG Shows Picture, first striped and second striped arrangement of reporting to the leadship after accomplishing a task up and down simultaneously.Showing Picture like this is to let R, G, B subpixel in each pixel of whole LCD show simultaneously; The error in judgement that does not exist abundant color that human eye is caused; Because human eye is different to the susceptibility of every kind of color, uses R, G, B to show simultaneously and can pick out this error.The mode of selecting first striped and second striped to report to the leadship after accomplishing a task up and down simultaneously to arrange, and arrangement mode can for: first striped from black to white, second striped from vain to black; Perhaps, first striped is from showing to white GTG gradual change from black to black, second striped in vain, be for let whole LCD demonstration from black to white or from vain to black even variation, thereby human eye is than the deep or light trend that is easier to tell the demonstration contrast.If use whole LCD all to show first striped or the second striped GTG, can cause the fatigue of human eye, be not easy to judge in long-time the production.So use staggered up and down branch uniform pictures such as GTG to do OTP standard picture here, the opposite variation tendency of two halves liquid crystal display displays up and down lets the whole liquid crystal display displays can be too dull, the human eye indefatigability.
When the selection that Shows Picture; The grey exponent number that is not demonstration is many more; Just can let liquid crystal display displays get even variation more, because the size of the CSTN type LCD MODULE on the present market is generally all below 1.75 inches, if on undersized like this LCD, show the more picture of high-order GTG; Such as the picture of 32 rank GTGs, be not easily distinguishable between GTG and the GTG and come.Preferably, first striped and second striped select to have the picture of 16 rank GTGs.
Aborning; Through test manufacture (quantity is generally in the hundreds of sheet) to every kind of LCD MODULE short run; Basically the manufacturing process of LCD be controlled at certain among a small circle in, can confirm basically that at this moment display effect is an optimum contrast when certain single order.Wherein, certain single order of optimal display result confirms from the 1st rank GTG to the GTG that demonstration can just in sightly be arranged.
Draw the boundary line with red line backmost at single order with optimal display result; The length of said red line is 1/3rd length of this rank length overall; Be 1/3rd length that whole GTG shows length; Just can judge the ideal effect boundary that OTP need adjust easily, on the picture of accomplishing standard self to show, the effect that the standard LCD MODULE by just not needing to go again to contrast shows.Simultaneously, selecting the red line with 1/3rd length of this rank length overall here, is because using red line has been a reminding effect, is the long red lines in full rank if draw a length, and red meeting influence the judgement of human eye to GTG, is unfavorable for the control of OTP precision.
With backmost writing again in the LCD MODULE of optimal display result single order with the normal pictures in boundary line in the line drawing, promptly after the demonstration of standard items be exactly certain single order at this optimal display result.
In the present invention; The black and white GTG picture that has one first striped and one second striped through use; The arrangement of reporting to the leadship after accomplishing a task up and down of first striped and second striped; First striped has identical even GTG with second striped, rejected human eye the susceptibility difference of colour picture is caused the inconsistent problem of adjustment, makes the OTP adjustment more accurate; Simultaneously; Certain single order of optimal display result backmost with line drawing on the boundary line; Then certain single order write the method in the LCD MODULE with the normal pictures in boundary line in the line drawing backmost again; Constantly confirm the time that display effect spent of next door standard items template in the time of can removing the OTP operation from, shortened the manufacturing time of LCM, improved production efficiency.
Existing is that the CSTN type LCD MODULE of 128 * 128 picture elements is that example is elaborated with one 1.5 inches, dot matrix number:
In LCM, pass through microprogram control unit (Micro Controller Unit; Be called for short MCU) write one and have first striped and one and have the black and white of second striped, even GTG picture; The arrangement of reporting to the leadship after accomplishing a task up and down of first striped and second striped; Said first striped and second striped all are that 16 GTGs show, and first striped from black to white, second striped from arranging to black in vain.The data that write of first striped, 16 GTGs are respectively 0X0000,0X18C3,0X2945,0X39E7,0X4A69,0X5AEB, 0X6B6D, 0X7BEF, 0X8C71,0X9CF3,0XAD75,0XBDF7,0XCE79,0XDEFB, 0XEF7D, 0XFFFF.Divide from 0X0000 to 0XFFFF etc. 16 rank to show that each rank display width is a 128/16=8 picture element width, demonstration length is 128/2=64 picture element length sum.Next 128/2=64 picture element length sum is that the interval that the second striped GTG Shows Picture writes 16 GTG pictures from OXFFFF to the OX0000 five equilibrium.
Carrying out after the small serial production, basically the manufacturing process of LCD be controlled at certain among a small circle in, can confirm basically that at this moment display effect is at certain single order.Please refer to shown in Figure 3; First striped in this picture from black to white, second striped from arranging to black in vain; Far Left in first striped is made as the 1st rank; Rightmost is made as the 16th rank, and its display effect can just be in sight on the 12nd rank, and therefore the 12nd rank are confirmed as the single order with optimal display result.On last picture element of this single order (16 GTGs, the width on each rank are 8 picture element width with), promptly draw the boundary of 1/3 long (be 128/2/3=22 picture element length and) on the 12nd * 8=96 picture element with red line, be convenient to operative employee's differentiation.
With backmost writing again in the LCD MODULE of optimal display result the 12nd rank with the normal pictures in boundary line in the line drawing, promptly after the demonstration of standard items be exactly certain single order at this optimal display result.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a method of adjusting the LCD MODULE display effect is characterized in that, may further comprise the steps:
S11: in LCD MODULE, write black and white GTG picture with one first striped and one second striped, the arrangement of reporting to the leadship after accomplishing a task up and down of first striped and second striped, first striped has identical even GTG with second striped;
S12: carry out this LCD MODULE of small serial production, to confirm that optimal display result is at certain single order;
S13: certain single order of optimal display result backmost with line drawing on the boundary line;
S14: write in the LCD MODULE again with the normal pictures in boundary line in the line drawing certain single order backmost;
Wherein, among the said step S11, first striped and second striped report to the leadship after accomplishing a task up and down the mode of arranging can be for: first striped from black in vain, second striped is from vain to black; Perhaps, first striped from vain to black, second striped from black in vain.
2. a kind of method of adjusting the LCD MODULE display effect as claimed in claim 1 is characterized in that said first striped and second striped have 16 rank GTGs respectively.
3. a kind of method of adjusting the LCD MODULE display effect as claimed in claim 1; It is characterized in that; Among the said step S12; Further comprise: to the GTG that demonstration can just in sightly be arranged, the said pairing single order of GTG that demonstration can just in sightly be arranged is certain single order of optimal display result from the 1st rank GTG.
4. a kind of method of adjusting the LCD MODULE display effect as claimed in claim 1; It is characterized in that; Among the said step S13, further comprise: certain single order of optimal display result draw the boundary line with red line backmost, the length of said red line is the 1/3rd long of this rank length overall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102178380A CN101739975B (en) | 2008-11-21 | 2008-11-21 | Method for adjusting display effects of liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102178380A CN101739975B (en) | 2008-11-21 | 2008-11-21 | Method for adjusting display effects of liquid crystal display module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101739975A CN101739975A (en) | 2010-06-16 |
| CN101739975B true CN101739975B (en) | 2012-08-01 |
Family
ID=42463374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102178380A Active CN101739975B (en) | 2008-11-21 | 2008-11-21 | Method for adjusting display effects of liquid crystal display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101739975B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114170975B (en) * | 2021-12-08 | 2023-05-30 | Tcl华星光电技术有限公司 | Display brightness adjusting method and device, display device and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766983A (en) * | 2004-10-28 | 2006-05-03 | 恩益禧电子股份有限公司 | Liquid crystal display device and method for driving the same |
| JP2007155840A (en) * | 2005-11-30 | 2007-06-21 | Nec Lcd Technologies Ltd | Image display device, drive circuit and driving method used for image display device |
| CN101105916A (en) * | 2007-08-10 | 2008-01-16 | 东莞黄江达裕科技电子厂 | GAMMA curve regulation method and device |
-
2008
- 2008-11-21 CN CN2008102178380A patent/CN101739975B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766983A (en) * | 2004-10-28 | 2006-05-03 | 恩益禧电子股份有限公司 | Liquid crystal display device and method for driving the same |
| JP2006126475A (en) * | 2004-10-28 | 2006-05-18 | Nec Electronics Corp | Liquid crystal display and driving method of the liquid crystal display |
| JP2007155840A (en) * | 2005-11-30 | 2007-06-21 | Nec Lcd Technologies Ltd | Image display device, drive circuit and driving method used for image display device |
| CN101105916A (en) * | 2007-08-10 | 2008-01-16 | 东莞黄江达裕科技电子厂 | GAMMA curve regulation method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101739975A (en) | 2010-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103310752B (en) | Gamma voltage adjusting method and gamma voltage adjusting system | |
| CN101494025B (en) | Method of local dimming, backlight assembly and display apparatus | |
| CN103067743B (en) | System and method of quick adjustment of liquid crystal display television | |
| CN105096875B (en) | A kind of GTG control method, GTG control device and LCDs | |
| CN100388348C (en) | Automatic measurement and correction method and system for LCD GAMMA curve and color temperature | |
| CN102231016B (en) | Method, device and system for compensating brightness of liquid crystal module | |
| CN101587693B (en) | Liquid crystal display and method of driving the same | |
| CN102074210B (en) | Liquid crystal display and method of driving the same | |
| CN104680984A (en) | Backlight Unit And Liquid Crystal Display Using The Same | |
| CN103531169B (en) | A kind of display driver circuit and driving method, display device | |
| CN101635126A (en) | Method of boosting a display image, controller unit for performing the method, and display apparatus having the controller unit | |
| CN102456335B (en) | Liquid crystal display device and driving method of the same | |
| CN102097072A (en) | Driving method for local dimming of liquid crystal display device and apparatus using the same | |
| CN101187740A (en) | Liquid crystal display device and its driving method | |
| CN102237052A (en) | Liquid crystal display (LCD) driving circuit and driving method | |
| CN101814271A (en) | Back light apparatus and have the liquid crystal display of this back light apparatus | |
| CN107749288A (en) | The Mura compensation methodes of liquid crystal display device and liquid crystal display device | |
| CN105448264A (en) | Driving method and apparatus of gate driver on array (GOA) circuit, sequential controller, and display device | |
| CN109712583A (en) | The method of adjustment of the overdrive table of display device | |
| CN106531093A (en) | Liquid crystal display device driving method and liquid crystal display device | |
| CN109410839A (en) | Correction optimization method, device, electronic equipment and the storage medium of display screen | |
| US11341876B2 (en) | White balance adjusting system for display device and adjusting method thereof | |
| CN101739975B (en) | Method for adjusting display effects of liquid crystal display module | |
| CN106652931B (en) | Display driver circuit, drive control method, voltage supply chip and display equipment | |
| CN101136188A (en) | Colors sequence type LCD and driving method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BYD ELECTRONIC COMPONENT CO., LTD. Free format text: FORMER OWNER: BIYADI CO., LTD. Effective date: 20150907 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150907 Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen BYD Electronic Component Co., Ltd. Address before: 518118 Pingshan Road, Pingshan Town, Shenzhen, Guangdong, No. 3001, No. Patentee before: Biyadi Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen helitai photoelectric Co., Ltd Address before: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee before: SHENZHEN BYD ELECTRONIC COMPONENT Co.,Ltd. |