CN110390914A - TV, pixel control light method and readable storage medium storing program for executing based on pixel control light - Google Patents
TV, pixel control light method and readable storage medium storing program for executing based on pixel control light Download PDFInfo
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- CN110390914A CN110390914A CN201910644788.2A CN201910644788A CN110390914A CN 110390914 A CN110390914 A CN 110390914A CN 201910644788 A CN201910644788 A CN 201910644788A CN 110390914 A CN110390914 A CN 110390914A
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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
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- 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
- G09G3/3406—Control of illumination source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of TV based on pixel control light, pixel control light method and computer readable storage mediums, the TV includes display control module, backlight liquid crystal glass and liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between back light and liquid crystal display panel；The display control module is connect with the backlight liquid crystal glass, for receiving picture signal, and according to described image signal, adjusts the light transmittance of each pixel unit corresponding region in the backlight liquid crystal glass；The display control plate module, connect with the liquid crystal display panel, for while the light transmittance of each pixel unit corresponding region, according to described image signal, controlling liquid crystal display panel in adjusting the backlight liquid crystal glass and showing image.The present invention solves existing LCD TV and promotes limited technical problem to TV contrast using local dimming technology.
Description
Technical field
The present invention relates to television fields, more particularly to the TV based on pixel control light, pixel control light method and computer can
Read storage medium.
Background technique
With advances in technology, the promotion of the level of consumption and the consumption consciousness, consumer have the image quality of television set higher
Requirement.OLED TV is able to achieve Pixel-level control light, LCD TV is compared in terms of image quality due to being self-luminous
More preferably.Although LCD TV uses local dimming technology, so that LCD TV has promotion in terms of image quality,
Number of partitions is limited, still reaches to less than that Pixel-level control light effect of OLED TV, therefore local dimming technology compares TV
The promotion of degree is limited.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of TV based on pixel control light, pixel control light method and computers can
Read storage medium, it is intended to solve existing LCD TV using local dimming technology and promote limited technical problem to TV contrast.
To achieve the above object, the present invention provides a kind of TV based on pixel control light,
The TV further includes display control module, backlight liquid crystal glass and liquid crystal display panel, wherein the backlight liquid
Crystal glass is arranged between back light and liquid crystal display panel；
The display control module is connect with the backlight liquid crystal glass, for receiving picture signal, and according to the figure
As signal, the light transmittance of each pixel unit corresponding region in the backlight liquid crystal glass is adjusted；
The display control module is also connect with the liquid crystal display panel, for adjusting the backlight liquid crystal glass
In each pixel unit corresponding region light transmittance while, according to described image signal control liquid crystal display panel show image.
Optionally, the display control module includes: timing control T-CON unit and backlight driving unit；
The T-CON unit, connect with the backlight driving unit, for receiving described image signal, and according to described
Picture signal obtains the gray value of backlight control signal and each pixel, by the ash of the backlight control signal and each pixel
Angle value is sent to the backlight driving unit；
The backlight driving unit is connect with the backlight liquid crystal glass, for according to the backlight control signal and respectively
The gray value of pixel adjusts the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass.
Optionally, the display control module further include: display driver element；
The T-CON unit, connect with the display driver element, is also used to be shown according to described image signal
Control signal, each pixel each pixel of sum of the grayscale values rgb value, and by the display control signal, the ash of each pixel
The rgb value of angle value and each pixel is sent to the display driver element；
The display driver element is connect with the liquid crystal display panel, for according to the display control signal, each picture
The rgb value of each pixel of the sum of the grayscale values of vegetarian refreshments controls the liquid crystal display panel and shows image.
Optionally, the TV further include:
Signal processing module is connect with the display control module, for exporting picture signal to the display control mould
Block.
In addition, to achieve the above object, the present invention also provides a kind of pixel control light methods, and the TV includes signal processing
Module, display control module, backlight liquid crystal glass and liquid crystal display panel, wherein the backlight liquid crystal glass is arranged in backlight light
Between source and liquid crystal display panel, the method is applied to the display control module, comprising:
Receive the picture signal that signal processing module is sent；
According to described image signal, the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass is adjusted, together
When the liquid crystal display panel controlled according to described image signal show image.
Optionally, described according to described image signal, adjust each pixel unit corresponding region of the backlight liquid crystal glass
Light transmittance the step of include:
According to described image signal, the gray value of backlight control signal and each pixel is obtained；
According to the gray value of the backlight control signal and each pixel, each pixel list of the backlight liquid crystal glass is adjusted
The light transmittance of first corresponding region.
Optionally, the gray value according to the backlight control signal and each pixel adjusts the backlight liquid crystal glass
The step of light transmittance of each pixel unit corresponding region of glass includes:
The gray value of display screen digit and each pixel is preset according to TV, obtains each pixel unit in backlight liquid crystal glass
Corresponding deflection voltage；
According to the corresponding deflection voltage of pixel unit each in the backlight control signal and backlight liquid crystal glass, described in adjusting
The light transmittance of each pixel unit corresponding region of backlight liquid crystal glass.
Optionally, the gray value that display screen digit and each pixel are preset according to TV obtains backlight liquid crystal glass
In each pixel unit corresponding deflection voltage the step of include:
The gray value that TV presets display screen digit and each pixel is input to preset deflection voltage calculation formulaIn, wherein n is that TV presets display screen digit, and L is the gray value of pixel, U0It is preset
The corresponding deflection voltage of minimum gradation value, UmaxFor the corresponding deflection voltage of preset maximum gradation value, backlight liquid crystal glass is obtained
In the corresponding deflection voltage of each pixel unit.
Optionally, described the step of controlling the liquid crystal display panel display image according to described image signal, includes:
According to described image signal, obtain display control signal, each pixel each pixel of sum of the grayscale values rgb value；
According to the rgb value of each pixel of the sum of the grayscale values of the display control signal, each pixel, the liquid crystal is controlled
Show Display panel image.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
Computer program is stored on storage medium, the computer program realizes pixel control light as described above when being executed by processor
The step of method.
A kind of TV based on pixel control light, pixel control light method and the computer-readable storage that the embodiment of the present invention proposes
Medium, by the way that display control module, backlight liquid crystal glass and liquid crystal display panel is arranged in the TV, wherein the backlight liquid
Crystal glass is arranged between back light and liquid crystal display panel；The display control module connects with the backlight liquid crystal glass
It connects, for receiving picture signal, and according to described image signal, adjusts each pixel unit in the backlight liquid crystal glass and correspond to area
The light transmittance in domain；The display control plate module, connect with the liquid crystal display panel, for adjusting the backlight liquid crystal glass
In glass while the light transmittance of each pixel unit corresponding region, according to described image signal, liquid crystal display panel display figure is controlled
Picture.To by the way that backlight liquid crystal glass, according to picture signal, separately adjustable backlight is arranged in back light and liquid crystal display panel
The light transmittance in each region of liquid-crystalline glasses, and then the light of separately adjustable back light transmitting is by reaching liquid after backlight liquid crystal glass
The light intensity value of each pixel region of LCD panel reaches pixel control light effect, greatly improves the comparison of final display image
Degree.
Detailed description of the invention
Fig. 1 is that the present invention is based on the module diagrams of an embodiment of the TV of pixel control light；
Fig. 2 is the flow diagram of present invention pixel control light method first embodiment；
Fig. 3 is described according to described image signal, tune in step S20 in present invention pixel control light method second embodiment
The refinement flow diagram for the step of saving the light transmittance of each pixel unit corresponding region in the backlight liquid crystal glass；
Fig. 4 is the refinement flow diagram of step S22 in present invention pixel control light method 3rd embodiment；
Fig. 5 is described according to described image signal, control in step S20 in present invention pixel control light method fourth embodiment
Liquid crystal display panel processed shows the refinement flow diagram of the step of image.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | Display control module | 20 | Backlight liquid crystal glass |
| 30 | Liquid crystal display panel | 40 | Signal processing module |
| 11 | T-CON unit | 12 | Backlight driving unit |
| 13 | Display driver element |
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
Fig. 1 is please referred to, the present invention is based in an embodiment of the TV of pixel control light, the TV includes display control
Module 10, backlight liquid crystal glass 20 and liquid crystal display panel 30, wherein the backlight liquid crystal glass 20 setting back light with
Between liquid crystal display panel 30；
The display control module 10 is connect with the backlight liquid crystal glass 20, for receiving picture signal, and according to institute
Picture signal is stated, the light transmittance of each pixel unit corresponding region in the backlight liquid crystal glass 20 is adjusted.
The display control plate module is connect with the liquid crystal display panel 30, for adjusting the backlight liquid crystal glass
In glass 20 while the light transmittance of each pixel unit corresponding region, according to described image signal, it is aobvious to control liquid crystal display panel 30
Diagram picture.
In the present embodiment, TV includes display control module 10, backlight liquid crystal glass 20 and liquid crystal display panel 30,
Described in backlight liquid crystal glass 20 be arranged between back light (not shown) and liquid crystal display panel 30.Backlight liquid crystal glass 20
The pixel unit quantity having is identical as the pixel unit quantity of liquid crystal display panel 30, includes corresponding liquid crystal in pixel unit
With TFT (Thin Film Transistor, thin film transistor (TFT)), and the corresponding area of each pixel unit in backlight liquid crystal glass 20
The corresponding regional location of the pixel unit of domain position and liquid crystal display panel 30 corresponds, the pixel in backlight liquid crystal glass 20
The light transmittance of the liquid crystal deflection different angle of unit, the region on the corresponding backlight liquid crystal glass 20 of the pixel unit is then different,
Deflection angle is bigger, and light transmittance is bigger, and it is right that liquid crystal display panel 30 is reached behind the region that light passes through backlight liquid crystal glass 20
Answer the light intensity value in region bigger.The TV includes that display control plate module is connect with backlight liquid crystal glass 20.The display
After control module 10 receives picture signal, the liquid crystal of each pixel unit in backlight liquid crystal glass 20 can be controlled according to picture signal
Deflect corresponding angle, so in adjustable plate backlight liquid crystal glass 20 the corresponding region of each pixel unit light transmittance, show simultaneously
Show that control module 10, can also root in adjusting the backlight liquid crystal glass 20 while the light transmittance of each pixel unit corresponding region
According to described image signal, control liquid crystal display panel 30 so that by back light transmitting by after backlight liquid crystal glass 20 to
Light up to liquid crystal display panel 30 shows image on liquid crystal display panel 30.Therefore according to picture signal, by adjusting backlight
The light transmittance in each region of liquid-crystalline glasses 20, and then can control and backlight liquid crystal glass 20 is passed through by the light of back light transmitting
Afterwards, the light intensity value for reaching each region of liquid crystal display panel 30 reaches the Pixel-level control light effect of similar OLED TV, greatly mentions
The contrast of high final display image.
Further, the display control module 10 includes: timing control T-CON unit 11 and backlight driving unit 12；
The T-CON unit 11 is connect with the backlight driving unit 12, for being carried on the back according to described image signal
The gray value of optical control signal and each pixel, and the gray value of the backlight control signal and each pixel is sent to described
Backlight driving unit 12；
The backlight driving unit 12 is connect with the backlight liquid crystal glass 20, for according to the backlight control signal and
The gray value of each pixel adjusts the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass 20.
The display control module 10 further include: display driver element 13；
The T-CON unit 11 is connect with the display driver element 13, for being shown according to described image signal
Control signal, each pixel each pixel of sum of the grayscale values rgb value, and by the display control signal, the ash of each pixel
The rgb value of angle value and each pixel is sent to the display driver element 13；
The display driver element 13 is connect with the liquid crystal display panel 30, for according to the display control signal,
The rgb value of each pixel of the sum of the grayscale values of each pixel controls the liquid crystal display panel 30 and shows image.
In the present embodiment, the display control module 10 includes T-CON (Timing Controller, timing control)
Unit, backlight driving unit 12 and display driver element 13；T-CON unit 11 drives with backlight driving unit 12 and display respectively
Unit 13 connects, and backlight driving unit 12 is connect with backlight liquid crystal glass 20, display driver element 13 and liquid crystal display panel 30
Connection.After T-CON unit 11 receives the picture signal of the transmission of signal processing module 40, according to described image signal, carried on the back
Optical control signal, display control signal, each pixel each pixel of sum of the grayscale values rgb value.T-CON unit 11 is by backlight control
The backlight drive signal of the gray value of signal processed and each pixel is sent to backlight driving unit 12, and T-CON unit 11 simultaneously will
Display control signal, each pixel the rgb value of each pixel of sum of the grayscale values be sent to display driver element 13.Backlight drive list
Member 12 according in the backlight control signal control backlight liquid crystal glass 20 received in each pixel unit corresponding TFT according to certain
Sequence successively opens and closes, and backlight driving unit 12 simultaneously can be when each pixel unit TFT be opened, according to corresponding picture
Vegetarian refreshments gray value applies corresponding deflection voltage, so that the corresponding angle of the liquid crystal deflection in the pixel unit, final adjust should
The light transmittance in the corresponding region of pixel unit.Each pixel list in the backlight liquid crystal glass 20 is adjusted in liquid backlight driving unit 12
While the light transmittance of first corresponding region, display driver element 13 can be according to the sum of the grayscale values of display control signal, each pixel
The rgb value of each pixel controls liquid crystal display panel 30, so that after being emitted by back light and passed through backlight liquid crystal glass 20
Light shows image on liquid crystal display panel 30.Due to the gray scale of any pixel point of the corresponding image to be displayed of picture signal
Value is bigger or smaller, adjusts corresponding bigger or smaller, the light of light transmittance in the region of the corresponding backlight liquid crystal glass 20 of the pixel
The light intensity value correspondence that the corresponding region of liquid crystal display panel 30 is reached behind the region that line passes through backlight liquid crystal glass 20 is bigger
Or it is smaller, so that the brightness correspondence of the pixel region is bigger or smaller when liquid crystal display panel 30 shows image, therefore can pole
The contrast that TV shows image is improved greatly.
Further, the TV further includes signal processing module 40, is connect with the display control module 10, for defeated
Picture signal is to the display control module 10 out.
In the present embodiment, signal processing module 40 receives after different signal source inputs various signals, from receiving letter
Initial image signal is obtained in number, image enhancement is carried out to initial image signal, obtains treated picture signal, and by certain
By treated, picture signal is sent to display control module 10 to format.
Referring to Fig. 2, in the first embodiment of present invention pixel control light method, the TV include signal processing module,
Display control module, backlight liquid crystal glass and liquid crystal display panel, wherein the backlight liquid crystal glass setting back light with
Between liquid crystal display panel, the method is applied to the display control module, comprising steps of
Step S10 receives the picture signal that signal processing module is sent；
Step S20 adjusts the saturating of each pixel unit corresponding region of the backlight liquid crystal glass according to described image signal
Light rate, while the liquid crystal display panel is controlled according to described image signal and shows image.
In the present embodiment, TV includes display control module, backlight liquid crystal glass and liquid crystal display panel, wherein described
Backlight liquid crystal glass is arranged between back light and liquid crystal display panel.Pixel unit quantity that backlight liquid crystal glass has with
The pixel unit quantity of liquid crystal display panel is identical, and each pixel unit position and liquid crystal display panel in backlight liquid crystal glass
Pixel unit position correspond, the liquid crystal deflection different angle of the pixel unit in backlight liquid crystal glass, the pixel unit
The light transmittance in the region on corresponding backlight liquid crystal glass is then different, and deflection angle is bigger, and light transmittance is bigger, and light passes through backlight
The light intensity value that liquid crystal display panel corresponding region is reached behind the region of liquid-crystalline glasses is bigger.The display control module receives
After the picture signal sent to the signal processing module of TV, each pixel in backlight liquid crystal glass can be controlled according to picture signal
The corresponding angle of the liquid crystal deflection of unit, and then the light transmittance in the corresponding region of each pixel unit in backlight liquid crystal glass is adjusted,
Display control module can also in adjusting the backlight liquid crystal glass while light transmittance of each pixel unit corresponding region simultaneously
According to described image signal, controls liquid crystal display panel and utilize the light for being emitted by back light and being passed through after backlight liquid crystal glass
Line shows image.
The picture signal that the present embodiment is sent by receiving signal processing module；According to described image signal, described in adjusting
The light transmittance of each pixel unit corresponding region of backlight liquid crystal glass, while the liquid crystal display is controlled according to described image signal
Display panel image.So that the light of back light transmitting is by the way that it is each to reach liquid crystal display panel after backlight liquid crystal glass
The light intensity value in the region of pixel unit is different, reaches the Pixel-level control light effect of similar OLED TV, is greatly improved final aobvious
The contrast of diagram picture.
Further, referring to Fig. 3, the application pixel control light is proposed according to the first embodiment of the application pixel control light method
The second embodiment of method according to described image signal described in step S20, adjusts the backlight liquid in the present embodiment
The step of light transmittance of each pixel unit corresponding region of crystal glass includes:
Step S21 obtains the gray value of backlight control signal and each pixel according to described image signal；
Step S22 adjusts the backlight liquid crystal glass according to the gray value of the backlight control signal and each pixel
The light transmittance of each pixel unit corresponding region.
In this example it is shown that control module obtains backlight control signal and picture signal according to described image signal
The gray value of each pixel of corresponding image to be displayed, backlight control signal are pressed for controlling each liquid crystal in backlight liquid crystal glass
Certain sequence is successively deflected, and the gray value of each pixel determines the deflection angle of the liquid crystal in corresponding each pixel unit,
Gray value is bigger, and deflection angle is bigger.Display control plate module according to the gray value of the backlight control signal and each pixel,
The liquid crystal for controlling each pixel unit region in the backlight liquid crystal glass carries out deflecting corresponding angle sequentially in either order,
And then adjust the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass.
The present embodiment proposes a kind of gray value according to each pixel in the corresponding image to be displayed of picture signal, adjusts
The strategy of the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass is saved, a certain pixel in image to be displayed
Gray value is bigger or smaller, corresponding bigger or smaller, the light of the light transmittance in the region of the corresponding backlight liquid crystal glass of the pixel
It is bigger or smaller by the light intensity value correspondence for reaching the corresponding region of liquid crystal display panel behind the region of backlight liquid crystal glass,
So that the brightness correspondence of the pixel region is bigger or smaller when liquid crystal display panel shows image, therefore electricity can be greatly improved
Contrast depending on showing image.
Further, referring to Fig. 4, the application pixel control light is proposed according to the first embodiment of the application pixel control light method
The 3rd embodiment of method, in the present embodiment, step S22 includes:
Step S23 presets the gray value of display screen digit and each pixel according to TV, obtains each in backlight liquid crystal glass
The corresponding deflection voltage of pixel unit；
Step S24, according to the corresponding deflection voltage of pixel unit each in the backlight control signal and backlight liquid crystal glass,
Adjust the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass.
In this example it is shown that screen digit n and number of greyscale levels LmaxIt is related, wherein Lmax=2n.Display control plate module
The gray value that TV presets display screen digit and each pixel is input to preset deflection voltage calculation formulaIn, wherein n is that TV presets display screen digit, and L is the gray value of pixel, U0For minimum ash
The corresponding deflection voltage of angle value, UmaxFor the corresponding deflection voltage of maximum gradation value, each pixel unit in backlight liquid crystal glass is obtained
Corresponding deflection voltage.
Display control plate module controls in backlight liquid crystal glass corresponding TFT in each pixel unit according to backlight control signal
It is successively opened and closed according to certain sequence, while can be when the TFT of each pixel unit is opened, according to corresponding pixel
Gray value applies corresponding deflection voltage, so that the corresponding angle of the liquid crystal deflection in pixel unit, finally adjusts backlight liquid crystal
The light transmittance in the corresponding region of each pixel unit of glass.
Need to illustrate when, display control plate module can also according to above-mentioned calculation formula obtain each picture of backlight liquid crystal glass
The corresponding theoretical deflection voltage of plain unit, then further according to the corresponding theoretical deflection voltage of each pixel unit and GAMMA gray scale school
It executes, obtains the corresponding actual deflection voltage of each pixel unit, finally according to each in backlight control signal and backlight liquid crystal glass
The corresponding actual deflection voltage of pixel unit adjusts the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass.
The present embodiment proposes a kind of sum of the grayscale values according to each pixel in the corresponding image to be displayed of picture signal
The preset display screen digit of TV obtains the corresponding deflection voltage of each pixel unit in backlight liquid crystal glass, and according to deflection electricity
Pressure adjusts the strategy of the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass.A certain pixel in image to be displayed
The gray value of point is bigger or smaller, the deflection voltage of the pixel unit of the corresponding backlight liquid crystal glass of the pixel it is corresponding bigger or
It is smaller, corresponding bigger or smaller, the corresponding backlight of the pixel of the liquid crystal deflection angle of the pixel unit of backlight liquid crystal glass
The light transmittance correspondence in the region of liquid-crystalline glasses is bigger or smaller, reaches liquid crystal behind the region that light passes through backlight liquid crystal glass
Show that the light intensity value correspondence of the corresponding region of panel is bigger or smaller, so that pixel region when liquid crystal display panel shows image
Brightness correspondence it is bigger or smaller, therefore can greatly improve TV show image contrast.
Further, referring to Fig. 5, the application pixel control light is proposed according to the first embodiment of the application pixel control light method
The fourth embodiment of method according to described image signal described in step S20, controls the liquid crystal in the present embodiment
The step of showing Display panel image include:
Step S25 obtains each pixel of sum of the grayscale values of display control signal, each pixel according to described image signal
Rgb value；
Step S26 controls institute according to the rgb value of each pixel of the sum of the grayscale values of the display control signal, each pixel
It states liquid crystal display panel and shows image.
In this example it is shown that control module each pixel unit corresponding region in controlling the backlight liquid crystal glass
While light transmittance, also liquid crystal can be controlled according to the rgb value of each pixel of sum of the grayscale values of display control signal, each pixel
Display panel shows figure so as to be emitted by back light and pass through the light after backlight liquid crystal glass on liquid crystal display panel
Picture.
The present invention also proposes a kind of computer readable storage medium, is stored thereon with computer program.The computer can
Reading storage medium can be unshowned memory in the TV based on pixel control light of Fig. 1, be also possible to such as ROM (Read-
Only Memory, read-only memory)/RAM (Random Access Memory, random access memory), magnetic disk, in CD
At least one, the computer readable storage medium includes several information with so that the TV based on pixel control light executes sheet
Invent method described in each embodiment.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of TV based on pixel control light, the TV include back light, which is characterized in that the TV further includes showing
Show control module, backlight liquid crystal glass and liquid crystal display panel, wherein the backlight liquid crystal glass is arranged in back light and liquid
Between LCD panel；
The display control module connect with the backlight liquid crystal glass, believes for receiving picture signal, and according to described image
Number, adjust the light transmittance of each pixel unit corresponding region in the backlight liquid crystal glass；
The display control module is also connect with the liquid crystal display panel, for each in adjusting the backlight liquid crystal glass
While the light transmittance of pixel unit corresponding region, liquid crystal display panel is controlled according to described image signal and shows image.
2. the TV as described in claim 1 based on pixel control light, which is characterized in that when the display control module includes:
Sequence controls T-CON unit and backlight driving unit；
The T-CON unit, connect with the backlight driving unit, for receiving described image signal, and according to described image
Signal obtains the gray value of backlight control signal and each pixel, by the gray value of the backlight control signal and each pixel
It is sent to the backlight driving unit；
The backlight driving unit is connect with the backlight liquid crystal glass, for according to the backlight control signal and each pixel
The gray value of point, adjusts the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass.
3. the TV as claimed in claim 2 based on pixel control light, which is characterized in that the display control module further include:
Display driver element；
The T-CON unit, connect with the display driver element, is also used to obtain display control according to described image signal
Signal, each pixel each pixel of sum of the grayscale values rgb value, and by the display control signal, the gray value of each pixel
The display driver element is sent to the rgb value of each pixel；
The display driver element is connect with the liquid crystal display panel, for according to the display control signal, each pixel
Each pixel of sum of the grayscale values rgb value, control the liquid crystal display panel and show image.
4. the TV as described in any one of claims 1-3 based on pixel control light, which is characterized in that the TV further include:
Signal processing module is connect with the display control module, for exporting picture signal to the display control module.
5. a kind of pixel control light method, which is characterized in that the TV includes signal processing module, display control module, backlight
Liquid-crystalline glasses and liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between back light and liquid crystal display panel,
The method is applied to the display control module, comprising:
Receive the picture signal that signal processing module is sent；
According to described image signal, the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass, while root are adjusted
The liquid crystal display panel, which is controlled, according to described image signal shows image.
6. pixel control light method as claimed in claim 5, which is characterized in that it is described according to described image signal, described in adjusting
The step of light transmittance of each pixel unit corresponding region of backlight liquid crystal glass includes:
According to described image signal, the gray value of backlight control signal and each pixel is obtained；
According to the gray value of the backlight control signal and each pixel, each pixel unit pair of the backlight liquid crystal glass is adjusted
Answer the light transmittance in region.
7. pixel control light method as claimed in claim 6, which is characterized in that described according to the backlight control signal and each picture
The gray value of vegetarian refreshments, the step of adjusting the light transmittance of each pixel unit corresponding region of the backlight liquid crystal glass include:
The gray value of display screen digit and each pixel is preset according to TV, and it is corresponding to obtain each pixel unit in backlight liquid crystal glass
Deflection voltage；
According to the corresponding deflection voltage of pixel unit each in the backlight control signal and backlight liquid crystal glass, the backlight is adjusted
The light transmittance of each pixel unit corresponding region of liquid-crystalline glasses.
8. pixel control light method as claimed in claim 7, which is characterized in that described to preset display screen digit and each according to TV
The gray value of pixel, the step of obtaining the corresponding deflection voltage of each pixel unit in backlight liquid crystal glass include:
The gray value that TV presets display screen digit and each pixel is input to preset deflection voltage calculation formulaIn, wherein n is that TV presets display screen digit, and L is the gray value of pixel, U0It is preset
The corresponding deflection voltage of minimum gradation value, UmaxFor the corresponding deflection voltage of preset maximum gradation value, backlight liquid crystal glass is obtained
In the corresponding deflection voltage of each pixel unit.
9. such as the described in any item pixel control light methods of claim 5 to 8, which is characterized in that described according to described image signal
Controlling the step of liquid crystal display panel shows image includes:
According to described image signal, obtain display control signal, each pixel each pixel of sum of the grayscale values rgb value；
According to the rgb value of each pixel of the sum of the grayscale values of the display control signal, each pixel, the LCD display is controlled
Plate shows image.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the pixel control light method as described in any one of claim 5 to 9 when the computer program is executed by processor
The step of.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644788.2A CN110390914A (en) | 2019-07-17 | 2019-07-17 | TV, pixel control light method and readable storage medium storing program for executing based on pixel control light |
| PCT/CN2020/097432 WO2021008307A1 (en) | 2019-07-17 | 2020-06-22 | Television based on pixel light control, pixel light control method and readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910644788.2A CN110390914A (en) | 2019-07-17 | 2019-07-17 | TV, pixel control light method and readable storage medium storing program for executing based on pixel control light |
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| WO (1) | WO2021008307A1 (en) |
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| CN112543968A (en) * | 2020-07-07 | 2021-03-23 | 北京凯视达科技股份有限公司 | Display control device and method for determining light intensity of backlight area |
| CN113596293A (en) * | 2021-07-08 | 2021-11-02 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
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| CN113327565B (en) * | 2021-04-15 | 2022-08-30 | 深圳市聚酷智能科技有限公司 | Display method, signal analyzer and electronic equipment |
| CN113763895B (en) * | 2021-06-04 | 2023-02-10 | 巽腾(广东)科技有限公司 | Display screen control method, device, equipment and storage medium |
| CN116684563B (en) * | 2023-07-28 | 2023-10-13 | 成都九天画芯科技有限公司 | Light quality correction method and system for image display and image display method and system |
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