CN104297960A - Image display method and device - Google Patents

Image display method and device Download PDF

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Publication number
CN104297960A
CN104297960A CN201410564212.2A CN201410564212A CN104297960A CN 104297960 A CN104297960 A CN 104297960A CN 201410564212 A CN201410564212 A CN 201410564212A CN 104297960 A CN104297960 A CN 104297960A
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China
Prior art keywords
display
correction value
pixel
picture
intensity correction
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Granted
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CN201410564212.2A
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Chinese (zh)
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CN104297960B (en
Inventor
竺霄正
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Tianjin Samsung Electronics Co Ltd
Samsung Electronics Co Ltd
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Tianjin Samsung Electronics Co Ltd
Samsung Electronics Co Ltd
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Priority to CN201410564212.2A priority Critical patent/CN104297960B/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The invention relates to the technical field of display and discloses an image display method and device. The position of the viewer is determined through detection. An image intensity adjusted value corresponding to the position of the viewer is called. According to the image intensity adjusted value, display gray scales of various pixels on the display are corrected to display the image. In this way, the image quality is improved at low cost, and the problem of color deviation of the display is solved.

Description

A kind of picture display process and device
Technical field
The present invention relates to display technique field, particularly relate to a kind of picture display process and device.
Background technology
Due to widely using of large-size screen monitors liquid crystal display, when using flat panel display device, as shown in Figure 1, panel 130 diverse location (131,132,133,134,145,136,137) arrives the angle difference of human eye.Because existing flat panel display technology is when visual angle increases, brightness has comparatively lossy, and the intensity loss speed of red green blue tricolor is inconsistent, easily causes colour cast problem, reduces image quality.In order to improve this situation, in prior art, two kinds of methods are had to solve the image quality problem caused at visual angle.
1, by using wide viewing angle technology, such as: VA, IPS etc., the method is the distribution of cellular construction by changing liquid crystal molecule, arrangement and electrode, increases to reduce visual angle the intensity loss brought.
2, by the alteration of form of display panel being curved surface, the subtense angle of display each several part to observation point is reduced.
At least there is following technical matters in technical scheme of the prior art:
Method 1 improves the problem of the image quality reduction caused at visual angle to a certain extent, but it is not thorough to improve effect, and method 2 needs to redesign panel, and curved design adds cost of development, produce yield lower, and inapplicable for existing two-d display panel.
Summary of the invention
The invention provides a kind of picture display process and device, solve in prior art and improve the technical matters that the image quality caused at visual angle reduces DeGrain, high cost.
The object of the invention is to be achieved through the following technical solutions:
A kind of picture display process, comprising:
Detect the position determining beholder;
Call the picture intensity correction value corresponding with the position of described beholder, intensity correction value corresponding to all greyscale level that described picture intensity correction value can be shown by varying level position on display forms;
According to described picture intensity correction value, the display GTG of different pixels on display is corrected, with display frame.
A kind of picture display device, comprising:
Detection module, for detecting the position determining beholder;
Enquiry module, for calling the picture intensity correction value corresponding with the position of described beholder, intensity correction value corresponding to all greyscale level that described picture intensity correction value can be shown by varying level position on display forms;
Correction module, for according to described picture intensity correction value, corrects the display GTG of different pixels on display, with display frame.
By a kind of picture display process provided by the invention and device, by detecting the position determining beholder, call the picture intensity correction value corresponding with the position of described beholder, according to described picture intensity correction value, the display GTG of different pixels on display is corrected, with display frame.Effectively improve image quality in the mode of low cost, solve display colour cast problem.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, also can obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is prior art midplane display viewing angles schematic diagram;
The process flow diagram of a kind of picture display process that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the picture display schematic diagram after the correction GTG of the embodiment of the present invention;
The schematic diagram of a kind of picture display device that Fig. 4 provides for the embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As shown in Figure 1, for prior art midplane display viewing angles schematic diagram, display 130 is flat-panel monitor, observation place (viewing location) 110 place is beholder position, (horizontal level can be determined according to equal sub-screen or alternate manner flat-panel monitor 7 different horizontal levels, same level position comprises a series of pixels of longitudinal region), be respectively position 131, position 132, position 133, position 134, position 135, position 136, position 137, different horizontal levels is different to the visual angle of observation place 110, such as: position 135 is θ to the visual angle size of observation place 110.Based on the scene graph of Fig. 1, to be optimized for example to the display image quality of display 130, introduce a kind of picture display process provided in the embodiment of the present invention, as shown in Figure 2, the method comprises the steps:
Step 201, detection determine the position of beholder;
Wherein, determine the position of beholder by various ways, such as, camera, infrared transceiver, bluetooth etc. can be utilized to have the equipment of distance measurement function.
Step 202, call the picture intensity correction value corresponding with the position of described beholder;
Wherein, the intensity correction value that described picture intensity correction value all greyscale level that can be shown by varying level position on display are corresponding forms; The brightness decay arriving viewing location due to larger position, visual angle is larger, and in order to compensate for attenuation, the larger position intensity correction value in visual angle is larger, so the intensity correction value visual angle increase of putting relative to viewing with varying level position and increasing.Especially, for color monitor, because the brightness decay speed of same level position Red Green Blue is different, green decay is the fastest usually, blueness is taken second place, redness is the slowest.Therefore, the intensity correction value Green of same level position is maximum, blue placed in the middle, red minimum, and therefore, picture intensity correction value comprises intensity correction value corresponding to all greyscale level that varying level position Red Green Blue can show.
Step 203, according to described picture intensity correction value, the display GTG of different pixels on display to be corrected, with display frame.
For monochrome display, step 203 comprises:
Step 203-1, horizontal level residing for pixel display GTG and pixel, obtain the intensity correction value that horizontal position residing for described pixel is corresponding with described display GTG;
The intensity correction value that step 203-2, basis are corresponding with described display GTG, strengthens the display brightness of described pixel, to correct the display GTG of described pixel.
For color monitor, step 203 comprises:
Step 203-1, horizontal level residing for the display GTG of Red Green Blue sub-pixel and sub-pixel, obtain the intensity correction value that horizontal position residing for described Red Green Blue sub-pixel is corresponding with trichromatic display GTG respectively;
Step 203-2, the intensity correction value that basis is corresponding with described trichromatic display GTG respectively, strengthen the display brightness of corresponding color sub-pixel, to correct the display GTG of described Red Green Blue sub-pixel.
In addition, when pixel is shown as low greyscale level, the brightness decay impact that visual angle difference is brought is little, and colour cast problem is substantially negligible, therefore, when low GTG, can select not correct.And high gray grade, the brightness decay impact that visual angle difference is brought is large, needs to correct.
This method is used needs the picture intensity correction value corresponding to the position obtaining different beholder in advance, therefore, before step 201, comprising: obtain the picture intensity correction value that the position of different beholder is corresponding.
In order to avoid color lump problem, for the pixel (such as between position 132 and position 133 or between position 134 and position 135) between adjacent horizontal level, described method can also comprise:
According to the intensity correction value of adjacent level position, obtain the transition display GTG preset between adjacent level position, to correct the display GTG of the pixel between picture adjacent level position.Such as: by interpolation algorithm (such as average, geometrical mean etc.) to the pixel between adjacent level position, transition display GTG is adopted to correct.
For color monitor, according to the intensity correction value of the display GTG of Red Green Blue sub-pixel and the varying level position Red Green Blue corresponding with described display GTG, the display GTG of picture varying level position Red Green Blue sub-pixel is corrected, such as when picture display the 200th GTG, normal signal should be that entire picture signal intensity is consistent, be L200 (the blue B200 of the green G200/ of red R200/), and show GTG as shown in Figure 3 according to the picture after this method corrects.
By a kind of picture display process provided by the invention, by detecting the position determining beholder, call the picture intensity correction value corresponding with the position of described beholder, according to described picture intensity correction value, the display GTG of different pixels on display is corrected, with display frame.Effectively improve image quality in the mode of low cost, solve display colour cast problem.
The embodiment of the present invention additionally provides a kind of picture display device, and as shown in Figure 4, this device comprises:
Detection module 410, for detecting the position determining beholder;
Enquiry module 420, for calling the picture intensity correction value corresponding with the position of described beholder, intensity correction value corresponding to all greyscale level that described picture intensity correction value can be shown by varying level position on display forms;
Correction module 430, for according to described picture intensity correction value, corrects the display GTG of different pixels on display, with display frame.
Wherein, described correction module 430 comprises:
First acquiring unit 431, for the horizontal level residing for pixel display GTG and pixel, obtains the intensity correction value that horizontal position residing for described pixel is corresponding with described display GTG;
First correcting unit 432, for according to the intensity correction value corresponding with described display GTG, strengthens the display brightness of described pixel, to correct the display GTG of described pixel.
For color monitor, the first acquiring unit 431 in described correction module, for the horizontal level residing for the display GTG of Red Green Blue sub-pixel and sub-pixel, obtain the intensity correction value that horizontal position residing for described Red Green Blue sub-pixel is corresponding with trichromatic display GTG respectively; First correcting unit 432, for respectively according to the intensity correction value corresponding with described trichromatic display GTG, strengthens the display brightness of corresponding color sub-pixel, to correct the display GTG of described Red Green Blue sub-pixel.
Described device also comprises: corrected value initialization module 440, the picture intensity correction value that the position for obtaining different beholder is corresponding.
Described correction module 430, also for the intensity correction value according to adjacent level position, obtains the transition display GTG preset between adjacent level position, to correct the display GTG of the pixel between picture adjacent level position.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, can certainly all be implemented by hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1. a picture display process, is characterized in that, comprising:
Detect the position determining beholder;
Call the picture intensity correction value corresponding with the position of described beholder, intensity correction value corresponding to all greyscale level that described picture intensity correction value can be shown by varying level position on display forms;
According to described picture intensity correction value, the display GTG of different pixels on display is corrected, with display frame.
2. picture display process according to claim 1, is characterized in that, described according to described picture intensity correction value, corrects, comprising the display GTG of different pixels on display:
According to the horizontal level residing for pixel display GTG and pixel, obtain the intensity correction value that horizontal position residing for described pixel is corresponding with described display GTG;
According to the intensity correction value corresponding with described display GTG, strengthen the display brightness of described pixel, to correct the display GTG of described pixel.
3. picture display process according to claim 1, is characterized in that, described according to described picture intensity correction value, corrects, comprising the display GTG of different pixels on display:
According to the horizontal level residing for the display GTG of Red Green Blue sub-pixel and sub-pixel, obtain the intensity correction value that horizontal position residing for described Red Green Blue sub-pixel is corresponding with trichromatic display GTG respectively;
Respectively according to the intensity correction value corresponding with described trichromatic display GTG, strengthen the display brightness of corresponding color sub-pixel, to correct the display GTG of described Red Green Blue sub-pixel.
4. picture display process according to claim 1 and 2, is characterized in that, described detection comprises before determining the step of the position of beholder:
Obtain the picture intensity correction value that the position of different beholder is corresponding.
5. picture display process according to claim 1 and 2, is characterized in that, described method also comprises:
According to the intensity correction value of adjacent level position, obtain the transition display GTG preset between adjacent level position, to correct the display GTG of the pixel between picture adjacent level position.
6. a picture display device, is characterized in that, comprising:
Detection module, for detecting the position determining beholder;
Enquiry module, for calling the picture intensity correction value corresponding with the position of described beholder, intensity correction value corresponding to all greyscale level that described picture intensity correction value can be shown by varying level position on display forms;
Correction module, for according to described picture intensity correction value, corrects the display GTG of different pixels on display, with display frame.
7. picture display device according to claim 6, is characterized in that, described correction module comprises:
First acquiring unit, for the horizontal level residing for pixel display GTG and pixel, obtains the intensity correction value that horizontal position residing for described pixel is corresponding with described display GTG;
First correcting unit, for according to the intensity correction value corresponding with described display GTG, strengthens the display brightness of described pixel, to correct the display GTG of described pixel.
8. picture display device according to claim 6, is characterized in that, described according to described picture intensity correction value, corrects, comprising the display GTG of different pixels on display:
First acquiring unit, for the horizontal level residing for the display GTG of Red Green Blue sub-pixel and sub-pixel, obtain the intensity correction value that horizontal position residing for described Red Green Blue sub-pixel is corresponding with trichromatic display GTG respectively;
First correcting unit, for respectively according to the intensity correction value corresponding with described trichromatic display GTG, strengthens the display brightness of corresponding color sub-pixel, to correct the display GTG of described Red Green Blue sub-pixel.
9. the picture display device according to claim 6 or 7, is characterized in that, described device also comprises:
Corrected value initialization module, the picture intensity correction value that the position for obtaining different beholder is corresponding.
10. the picture display device according to claim 6 or 7, it is characterized in that, described correction module is also for the intensity correction value according to adjacent level position, obtain the transition display GTG preset between adjacent level position, to correct the display GTG of the pixel between picture adjacent level position.
CN201410564212.2A 2014-10-21 2014-10-21 A kind of picture display process and device Expired - Fee Related CN104297960B (en)

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CN105374324A (en) * 2015-12-21 2016-03-02 深圳市华星光电技术有限公司 Brightness compensation method in Dumura system, system and display panel
CN105511132A (en) * 2015-11-30 2016-04-20 友达光电股份有限公司 Display with switchable viewing angle and operation method thereof
CN106251822A (en) * 2016-09-27 2016-12-21 南京中电熊猫液晶显示科技有限公司 A kind of colour cast control method of liquid crystal display
CN106601200A (en) * 2016-12-08 2017-04-26 深圳市华星光电技术有限公司 Drive method and drive device of display panel and display device
CN106940491A (en) * 2017-03-30 2017-07-11 惠科股份有限公司 Liquid crystal display device having a plurality of pixel electrodes
CN107102490A (en) * 2017-03-30 2017-08-29 惠科股份有限公司 Display device
CN107123402A (en) * 2017-05-26 2017-09-01 京东方科技集团股份有限公司 A kind of display device and its control method
CN108281111A (en) * 2018-01-19 2018-07-13 云谷（固安）科技有限公司 Display control method and device
CN108922481A (en) * 2018-06-11 2018-11-30 宏祐图像科技(上海)有限公司 A kind of demura implementation method based on LCD TV side view angle
CN109300434A (en) * 2018-10-31 2019-02-01 上海天马微电子有限公司 The method of adjustment of display device and its visual angle color difference
CN109326246A (en) * 2018-11-29 2019-02-12 云谷（固安）科技有限公司 Control the method and system of display device
CN109410871A (en) * 2018-12-12 2019-03-01 惠科股份有限公司 Display device and display control method
WO2019119599A1 (en) * 2017-12-21 2019-06-27 惠科股份有限公司 Driving method for display device and driving device thereof
CN110751925A (en) * 2018-07-24 2020-02-04 上海和辉光电有限公司 Method and device for compensating brightness of curved display panel
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CN112885289A (en) * 2021-04-28 2021-06-01 武汉精测电子集团股份有限公司 Display screen calibration method and device
CN112967696A (en) * 2021-03-22 2021-06-15 北海惠科光电技术有限公司 Liquid crystal panel display parameter adjusting method and system, liquid crystal panel and storage medium
CN113380171A (en) * 2021-06-03 2021-09-10 成都天马微电子有限公司 Color cast compensation method, display and vehicle-mounted display device
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CN106251822A (en) * 2016-09-27 2016-12-21 南京中电熊猫液晶显示科技有限公司 A kind of colour cast control method of liquid crystal display
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CN107123402B (en) * 2017-05-26 2019-08-23 京东方科技集团股份有限公司 A kind of display device and its control method
WO2019119599A1 (en) * 2017-12-21 2019-06-27 惠科股份有限公司 Driving method for display device and driving device thereof
CN108281111A (en) * 2018-01-19 2018-07-13 云谷（固安）科技有限公司 Display control method and device
CN108922481A (en) * 2018-06-11 2018-11-30 宏祐图像科技(上海)有限公司 A kind of demura implementation method based on LCD TV side view angle
CN110751925B (en) * 2018-07-24 2021-04-02 上海和辉光电股份有限公司 Method and device for compensating brightness of curved display panel
CN110751925A (en) * 2018-07-24 2020-02-04 上海和辉光电有限公司 Method and device for compensating brightness of curved display panel
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