CN101620833B - Display method of LCD - Google Patents
Display method of LCD Download PDFInfo
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- CN101620833B CN101620833B CN200810137612XA CN200810137612A CN101620833B CN 101620833 B CN101620833 B CN 101620833B CN 200810137612X A CN200810137612X A CN 200810137612XA CN 200810137612 A CN200810137612 A CN 200810137612A CN 101620833 B CN101620833 B CN 101620833B
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- liquid crystal
- crystal indicator
- angle value
- gray scale
- display packing
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Abstract
The invention provides a display method of LCD. The display method of LCD comprises the following steps: firstly, a LCD is provided, then the relation of grayness and brightness corresponding to plural visual angles of the LCD is measured; secondly, the relation between grayness and brightness corresponding to plural visual angles is measured; thirdly, an input and output grayness relation is obtained by referring to the relations between the grayness and brightness corresponding to the visual angles; fourthly, an angle value is input for the LCD; finally, the input and output relation grayness table is used to make the LCD output a grayness relative to the previous angle value.
Description
Technical field
The invention relates to a kind of method of improving the display effect of display device, and particularly relevant for a kind of display packing with liquid crystal indicator of preferable display effect.
Background technology
LCD becomes the main flow on the market in recent years gradually.Some reason is based on considering environment.And LCD has the characteristic of high image quality, space availability ratio highly, low voltage operating, radiationless line scattering.In addition, LCD has more the advantage of high contrast, the counter-rotating of no gray scale, low colour cast, high brightness, high color saturation, fast-response time and wide viewing angle.
Technology is in order to meet the demand of wide viewing angle now, usually adopt twisted nematic (Twisted Nematic, TN) type display panels collocation view film, horizontal copline are switched (in-plane switching, IPS) type display panels, limit switching (fringe field switching) type display panels and multiple regions perpendicular are arranged (Multi-domain Vertical Alignment, MVA) type display panels.Therefore, display panels is in order to meet the demand of wide viewing angle, need to use the liquid crystal material of particular types or on display panels, do special design, and then can increase the degree of difficulty and the cost of manufacture of making, and display frame easily has the problem of middle gray colour cast when big part is watched the display panels of wide viewing angle in the visual angle.
Summary of the invention
The present invention is about a kind of display packing of liquid crystal indicator, and it has preferable display effect.
For specifically describing content of the present invention, a kind of display packing of liquid crystal indicator is proposed at this.At first, provide a liquid crystal indicator.Then, measure a plurality of visual angles corresponding gray scale of liquid crystal indicator and the relation of brightness.Then, the relation of reference viewing angle corresponding gray scale and brightness is to obtain an input and output gray level relation table at corresponding visual angle.Afterwards, liquid crystal indicator is imported an angle value.Then, by input and output gray level relation table so that liquid crystal indicator output one with respect to angle value the gray scale that should export.
In one embodiment of this invention, if the angle value of input is between the visual angle time, then by interpolation method obtain with respect to angle value the gray scale that should export.
In one embodiment of this invention, when with respect to angle value the gray scale that should export when being non-integer, more comprise and use vibration method or frame per second control method to handle, afterwards the gray scale that should export of output.
In one embodiment of this invention, the method to liquid crystal indicator input angle value is directly to import angle value to liquid crystal indicator.
In one embodiment of this invention, liquid crystal indicator also is a signal receiver.
In one embodiment of this invention, the method to liquid crystal indicator input angle value has the signal receiver of the signal of angle value to liquid crystal indicator for exporting by a movable fixture.
In one embodiment of this invention, signal receiver has the function of the position of automatic detection one movable fixture, and to the method for liquid crystal indicator input angle value for the angle value of the position of detecting movable fixture by signal receiver automatically and import this angle value.
In one embodiment of this invention, movable fixture is a telepilot.
The present invention utilizes input and the output gray level relation table that builds on a plurality of visual angles, and liquid crystal indicator imported an angle value, so that liquid crystal indicator can be adjusted the gray scale of being exported by the input and the output gray level relation table at aforementioned a plurality of visual angles, and then make liquid crystal indicator present best display effect in aforementioned angle value.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is the process flow diagram of the display packing of a kind of liquid crystal indicator of the present invention.
Fig. 2 is the top view of a kind of liquid crystal indicator of the present invention.
Fig. 3 is nine the visual angle corresponding gray scale of liquid crystal indicator of the present invention and the graph of a relation of brightness.
Fig. 4 is the input and the output gray level relation table at nine visual angles of liquid crystal indicator of the present invention.
The main element symbol description:
200: liquid crystal indicator
202: display plane
202a: Z-axis
210: receiver
300: movable fixture
A: angle value
S: step
θ: visual angle
Embodiment
The present invention be to improve liquid crystal indicator in the visual angle display effect when big, and the method for improving is by the gray scale of measuring each visual angle when a plurality of visual angle and the relation of brightness in advance, and with reference to the gray scale at each visual angle and the relation of brightness, with input and the output gray level relation that obtains each visual angle, and the input and the output gray level relation at these visual angles built table.Thus, the user can import a signal with angle value of user position to liquid crystal indicator, and liquid crystal indicator just can be by for example tabling look-up (Look Up Table, LUT) mode is learnt when the angle value of user position, the input of liquid crystal indicator and output gray level relation, and, make the angle value of liquid crystal indicator present best display effect in the user position so as to adjusting the gray scale that liquid crystal indicator is exported.To introduce embodiments of the present invention in detail with next.
Fig. 1 is the process flow diagram of the display packing of a kind of liquid crystal indicator of the present invention.Fig. 2 is the top view of a kind of liquid crystal indicator of the present invention.Please at first, provide a liquid crystal indicator 200 (step S102) simultaneously with reference to Fig. 1 and Fig. 2, liquid crystal indicator 200 has a display plane 202.In present embodiment, view angle theta is meant the folded angle with the Z-axis 202a of display plane 202, and view angle theta is less than 90 degree.Then, measure a plurality of view angle theta corresponding gray scale of liquid crystal indicator 200 and the relation (step S104) of brightness.In present embodiment, as shown in Figure 3, measure the relation of nine view angle theta (view angle theta for example is 0 degree, 10 degree, 20 degree, 30 degree, 40 degree, 50 degree, 60 degree, 70 degree and 80 degree) corresponding gray scale and brightness.But the invention is not restricted to this, in other embodiment, can measure the relation of a plurality of view angle theta (for example :) corresponding gray scale and brightness more than nine visual angles.
Usually, when liquid crystal indicator 200 was watched in the position of 0 degree at the visual angle, the contrast of its image, brightness or the like character all was best.And along with the visual angle of watching is big more, the effect of its demonstration or quality be variation thereupon just.Therefore, the present invention measures earlier after the relation of a plurality of view angle theta corresponding gray scale of liquid crystal indicator 200 and brightness, and the result who utilizes this measurement is the level that the character used in proper names and in rendering some foreign names Maqu lines (Gamma Curve) of 10 degree, 20 degree, 30 degree, 40 degree, 50 degree, 60 degree, 70 degree and 80 degree meet the character used in proper names and in rendering some foreign names Maqu line of visual angle 0 degree with the visual angle.Therefore following step is exactly the relation (as shown in Figure 3) with reference to each view angle theta corresponding gray scale and brightness, and obtains the input and the output gray level relation table (as shown in Figure 4) (step S106) of each view angle theta.
Thus, when follow-up when watching liquid crystal indicator, just the mode of (input with output gray level relation table) of tabling look-up according to the angle utilization of watching is learnt the input of liquid crystal indicator 200 when aforementioned nine view angle theta and the gray-scale relation of output, is described in detail as follows.
To liquid crystal indicator 200 inputs one angle value A (step S108), and angle value A for example is not to use position and the Z-axis 202a folded angle of person's (not illustrating) with respect to display plane 202, and angle value A is less than 90 degree.Then, can be by with reference to input and output gray level relation table (as shown in Figure 4) so that liquid crystal indicator 200 output one with respect to angle value A the gray scale (step S110) that should export.Among the above-mentioned steps S108, the method for input angle value A can be directly to import the angle value A at user place to liquid crystal indicator 200, or imports the angle value A at user place in the mode of automatic detection.
In one embodiment, the method for input angle value A be directly import the user place angle value A to liquid crystal indicator 200, just the user imports the angle value A at user place in manual mode.Please refer to Fig. 2, liquid crystal indicator 200 has a signal receiver 210, and a movable fixture 300 (for example being telepilot) is gone up button or knob that design has the input angle value.And the method person of being to use of liquid crystal indicator 200 input angle value A is seen through the button of movable fixture 300 or knob and exports signal with the angle value A signal receiver 210 to liquid crystal indicator 200.When the signal receiver 210 of liquid crystal indicator 200 is received the angle value A that the user imports, liquid crystal indicator 200 can start the action of table look-up (input and output gray level relation table), export afterwards with respect to angle value A the gray scale that should export so that beholder (user) can watch best image output quality in the position at its place.
In another embodiment, the method for input angle value A is to import the angle value A at user place in the mode of automatic detection.Please refer to Fig. 2, signal receiver 210 has the function of the position of automatic detection movable fixture 300 (for example telepilot).Therefore the method to liquid crystal indicator 200 input angle value A is to detect the angle value A of the position of user's movable fixture 300 on hand automatically by signal receiver 210.Similarly, when the signal receiver 210 of liquid crystal indicator 200 detects the angle value A of position of user's movable fixture 300 on hand, liquid crystal indicator 200 can start the action of table look-up (input and output gray level relation table), export afterwards with respect to angle value A the gray scale that should export so that beholder (user) can watch best image output quality in the position at its place.
Therefore, no matter be with manual input or the mode that detects automatically, as long as the user is any position before display plane 202, liquid crystal indicator 200 all can be adjusted to according to user's position in viewing location best display effect, and display frame easily has the problem of middle gray colour cast to exist when not having a display panels of existing wide viewing angle big part being watched in the visual angle.
In addition, what deserves to be mentioned is, in the present embodiment, because of only having set up the gradation data of nine visual angles 0 degree, 10 degree, 20 degree, 30 degree, 40 degree, 50 degree, 60 degree, 70 degree and 80 pairing inputs of degree and outputs in the input of being set up and the output gray level relation table, if the angle value of input is (for example being 15 degree or 35 degree or the like) between any two visual angles at aforementioned nine visual angles the time, then can by interpolation method obtain with respect to angle value the gray scale that should export.
In addition, if by input and output gray level relation table table look-up find to should angle value the time the gray scale that should export when being non-integer, (Frame Rate Control FRC) handles, and just exports the gray scale that should export afterwards can to use vibration method (Dither) or frame per second control method earlier.
In sum, the present invention utilizes input and the output gray level relation table that builds on a plurality of visual angles, and the angle value of liquid crystal indicator being imported the user position, make liquid crystal indicator to adjust the gray scale of being exported, and then make the angle value of liquid crystal indicator present best display effect in the user position by the mode of tabling look-up.The present invention can carry out simple calculations by liquid crystal indicator and can reach, and method is easy, therefore can not increase cost of manufacture.In addition, the present invention is applicable to the liquid crystal indicator of various types, so the practicality height.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (10)
1. the display packing of a liquid crystal indicator comprises:
One liquid crystal indicator is provided;
Measure a plurality of visual angles corresponding gray scale of this liquid crystal indicator and the relation of brightness;
With reference to the relation of those visual angle corresponding gray scale and brightness, to obtain an input and output gray level relation table at corresponding those visual angles;
This liquid crystal indicator is imported an angle value; And
By this input and output gray level relation table so that the output one of this liquid crystal indicator with respect to this angle value the gray scale that should export.
2. the display packing of liquid crystal indicator as claimed in claim 1 is characterized in that, if this angle value of input is between those visual angles the time, then by interpolation method obtain this with respect to this angle value the gray scale that should export.
3. the display packing of liquid crystal indicator as claimed in claim 2 is characterized in that, when with respect to this angle value the gray scale that should export when being non-integer, also comprise and use vibration method or frame per second control method to handle, afterwards the gray scale that should export of output.
4. the display packing of liquid crystal indicator as claimed in claim 1 is characterized in that, when with respect to this angle value the gray scale that should export be non-integer, also comprise and use vibration method or frame per second control method to handle, afterwards the gray scale that should export of output.
5. the display packing of liquid crystal indicator as claimed in claim 1 is characterized in that, the method for this liquid crystal indicator being imported this angle value is for directly importing this angle value to this liquid crystal indicator.
6. the display packing of liquid crystal indicator as claimed in claim 1 is characterized in that, this liquid crystal indicator also comprises a signal receiver.
7. the display packing of liquid crystal indicator as claimed in claim 6 is characterized in that, the method for this liquid crystal indicator being imported this angle value is for having the signal of this angle value this signal receiver to this liquid crystal indicator by movable fixture output.
8. the display packing of liquid crystal indicator as claimed in claim 7 is characterized in that, this movable fixture is a telepilot.
9. the display packing of liquid crystal indicator as claimed in claim 6, it is characterized in that, this signal receiver has the function of the position of automatic detection one movable fixture, and the method that this liquid crystal indicator is imported this angle value is for the angle value of the position of detecting this movable fixture by this signal receiver automatically and import this angle value.
10. the display packing of liquid crystal indicator as claimed in claim 9 is characterized in that, this movable fixture is a telepilot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810137612XA CN101620833B (en) | 2008-06-30 | 2008-06-30 | Display method of LCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810137612XA CN101620833B (en) | 2008-06-30 | 2008-06-30 | Display method of LCD |
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| CN101620833A CN101620833A (en) | 2010-01-06 |
| CN101620833B true CN101620833B (en) | 2011-07-13 |
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| CN200810137612XA Expired - Fee Related CN101620833B (en) | 2008-06-30 | 2008-06-30 | Display method of LCD |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568429B (en) * | 2012-03-01 | 2013-09-04 | 深圳市华星光电技术有限公司 | Method and device for simulating squint angle image |
| CN102880788B (en) * | 2012-08-17 | 2016-04-06 | 重庆诺柏恩自动化技术有限公司 | A kind of data processing method of intelligent potentiometer |
| CN103198801B (en) * | 2013-03-11 | 2015-02-04 | 深圳市华星光电技术有限公司 | Compensation method for flat display panel large-viewing-angle Mura area |
| CN104297960B (en) * | 2014-10-21 | 2017-10-31 | 天津三星电子有限公司 | A kind of picture display process and device |
| CN104680992B (en) * | 2015-03-09 | 2018-05-11 | 深圳市华星光电技术有限公司 | The driving method and driving device of a kind of liquid crystal display |
| CN105301811B (en) * | 2015-12-07 | 2018-10-30 | 深圳市华星光电技术有限公司 | Display side visible image analogy method and system |
| CN111583876B (en) * | 2020-05-29 | 2021-06-01 | 深圳市华星光电半导体显示技术有限公司 | Backlight module preparation method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384485A (en) * | 2001-02-19 | 2002-12-11 | 三星电子株式会社 | LCD with adaptive viewing angle |
| JP2006184516A (en) * | 2004-12-27 | 2006-07-13 | Sharp Corp | Liquid crystal display device |
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- 2008-06-30 CN CN200810137612XA patent/CN101620833B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384485A (en) * | 2001-02-19 | 2002-12-11 | 三星电子株式会社 | LCD with adaptive viewing angle |
| JP2006184516A (en) * | 2004-12-27 | 2006-07-13 | Sharp Corp | Liquid crystal display device |
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| CN101620833A (en) | 2010-01-06 |
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