WO2021008307A1 - Television based on pixel light control, pixel light control method and readable storage medium - Google Patents

Television based on pixel light control, pixel light control method and readable storage medium Download PDF

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Publication number
WO2021008307A1
WO2021008307A1 PCT/CN2020/097432 CN2020097432W WO2021008307A1 WO 2021008307 A1 WO2021008307 A1 WO 2021008307A1 CN 2020097432 W CN2020097432 W CN 2020097432W WO 2021008307 A1 WO2021008307 A1 WO 2021008307A1
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WIPO (PCT)
Prior art keywords
pixel
liquid crystal
backlight
crystal glass
gray value
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PCT/CN2020/097432
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French (fr)
Chinese (zh)
Inventor
余明火
宛永琪
梁金魁
石峰
王德闯
洪文生
Original Assignee
深圳创维-Rgb电子有限公司
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Publication of WO2021008307A1 publication Critical patent/WO2021008307A1/en

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306Circuit arrangements or driving methods for the control of single liquid crystal cells
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/3406Control of illumination source
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers

Definitions

  • This application relates to the field of television, and in particular to a television based on pixel light control, a pixel light control method, and a computer-readable storage medium.
  • OLED TVs are self-luminous, they can achieve pixel-level light control, and are better than LCD TVs in terms of image quality and contrast.
  • LCD TVs use regional dimming technology, LCD TVs have improved image quality and contrast, but the number of partitions is limited, which still cannot achieve the pixel-level light control effect of OLED TVs. Therefore, regional dimming technology has an impact on TV contrast. The improvement is limited.
  • the main purpose of this application is to provide a TV based on pixel light control, a pixel light control method, and a computer-readable storage medium, aiming to solve the technical problem that the existing LCD TV adopts regional dimming technology to improve the contrast of the TV.
  • the present application provides a TV based on pixel light control
  • the TV further includes a display control module, a backlight liquid crystal glass and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between the backlight light source and the liquid crystal display panel;
  • the display control module is connected to the backlight liquid crystal glass, and is used to receive image signals, and adjust the light transmittance of the corresponding areas of each pixel unit in the backlight liquid crystal glass according to the image signals;
  • the display control module is also connected to the liquid crystal display panel, and is used to control the liquid crystal display panel to display images according to the image signal while adjusting the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass.
  • the display control module includes: a timing control T-CON unit and a backlight driving unit;
  • the T-CON unit is connected to the backlight driving unit, and is used to receive the image signal, and obtain the backlight control signal and the gray value of each pixel according to the image signal, so as to combine the backlight control signal and Sending the gray value of each pixel to the backlight driving unit;
  • the backlight driving unit is connected to the backlight liquid crystal glass and is used for adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel point.
  • the display control module further includes: a display driving unit;
  • the T-CON unit connected to the display drive unit, is also used to obtain a display control signal, the gray value of each pixel, and the RGB value of each pixel according to the image signal, and control the display
  • the signal, the gray value of each pixel and the RGB value of each pixel are sent to the display driving unit;
  • the display driving unit is connected to the liquid crystal display panel, and is configured to control the liquid crystal display panel to display images according to the display control signal, the gray value of each pixel and the RGB value of each pixel.
  • the television further includes:
  • the signal processing module is connected to the display control module and is used to output image signals to the display control module.
  • the present application also provides a pixel light control method.
  • the TV includes a signal processing module, a display control module, a backlight liquid crystal glass, and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged on the backlight light source and the liquid crystal display panel.
  • the method applied to the display control module includes:
  • the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted, and at the same time, the liquid crystal display panel is controlled to display an image according to the image signal.
  • the step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the image signal includes:
  • the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted.
  • the step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel point includes:
  • the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted.
  • the step of obtaining the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the preset number of display screen bits of the TV and the gray value of each pixel point includes:
  • n is the preset number of screen digits of the TV
  • L is the gray value of the pixel
  • U 0 is the deflection voltage corresponding to the preset minimum gray value
  • U max is the deflection corresponding to the preset maximum gray value Voltage to obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass.
  • the step of controlling the liquid crystal display panel to display an image according to the image signal includes:
  • the liquid crystal display panel is controlled to display an image.
  • the present application also provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the pixel light control method described above is implemented A step of.
  • the embodiment of the application proposes a TV based on pixel light control, a pixel light control method, and a computer-readable storage medium.
  • the TV is provided with a display control module, a backlight liquid crystal glass, and a liquid crystal display panel, wherein the backlight liquid crystal glass Set between the backlight light source and the liquid crystal display panel; the display control module, connected to the backlight liquid crystal glass, is used to receive an image signal, and adjust the corresponding area of each pixel unit in the backlight liquid crystal glass according to the image signal The light transmittance; the display control board module, connected to the liquid crystal display panel, is used to adjust the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass while controlling the liquid crystal according to the image signal The display panel displays the image.
  • the light transmittance of each area of the backlight liquid crystal glass is independently adjusted, and the light emitted by the backlight light source is independently adjusted to reach each pixel area of the liquid crystal display panel after passing through the backlight liquid crystal glass.
  • the light intensity value of the pixel achieves the pixel light control effect, which greatly improves the contrast of the final displayed image.
  • FIG. 1 is a schematic diagram of modules of an embodiment of a TV based on pixel light control of the present application
  • FIG. 2 is a schematic flowchart of a first embodiment of a pixel light control method according to this application;
  • step 3 is a detailed flowchart of the step of adjusting the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass according to the image signal in step S20 in the second embodiment of the pixel light control method of this application;
  • step S22 is a schematic diagram of the detailed process of step S22 in the third embodiment of the pixel light control method of this application;
  • FIG. 5 is a detailed flow diagram of the step of controlling the liquid crystal display panel to display images according to the image signal in step S20 in the fourth embodiment of the pixel light control method of this application.
  • Label name Label name 10 Display control module 20 Backlit LCD glass 30 LCD panel 40 Signal processing module 11 T-CON unit 12 Backlight driving unit 13 Display drive unit To To To
  • the TV includes a display control module 10, a backlight liquid crystal glass 20, and a liquid crystal display panel 30, wherein the backlight liquid crystal glass 20 is arranged on the backlight light source Between and the liquid crystal display panel 30;
  • the display control module 10 is connected to the backlight liquid crystal glass 20 for receiving image signals, and according to the image signals, adjusts the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass 20.
  • the display control board module is connected to the liquid crystal display panel 30, and is used to control the liquid crystal display panel 30 according to the image signal while adjusting the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass 20 Display the image.
  • the television includes a display control module 10, a backlight liquid crystal glass 20 and a liquid crystal display panel 30, wherein the backlight liquid crystal glass 20 is arranged between the backlight light source (not shown) and the liquid crystal display panel 30.
  • the backlight liquid crystal glass 20 has the same number of pixel units as that of the liquid crystal display panel 30.
  • the pixel units include corresponding liquid crystals and TFTs (Thin Film Transistors), and the backlight liquid crystal glass 20 corresponds to the area of each pixel unit The position corresponds to the position of the area corresponding to the pixel unit of the liquid crystal display panel 30.
  • the liquid crystal of the pixel unit in the backlight liquid crystal glass 20 is deflected at different angles, and the light transmittance of the area on the backlight liquid crystal glass 20 corresponding to the pixel unit is different.
  • the television includes a display control panel module connected to the backlight liquid crystal glass 20.
  • the display control module 10 controls the angle corresponding to the liquid crystal deflection of each pixel unit in the backlight liquid crystal glass 20 according to the image signal, and then adjusts the light transmittance of the area corresponding to each pixel unit in the panel backlight liquid crystal glass 20 At the same time, while the display control module 10 adjusts the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass 20, it also controls the liquid crystal display panel 30 according to the image signal so that the light emitted by the backlight light source passes through the backlight The light that reaches the liquid crystal display panel 30 after the liquid crystal glass 20 displays an image on the liquid crystal display panel 30.
  • the image signal by adjusting the light transmittance of each area of the backlight liquid crystal glass 20, the light emitted by the backlight light source can be controlled to reach the light intensity value of each area of the liquid crystal display panel 30 after passing through the backlight liquid crystal glass 20, which is similar to an OLED TV.
  • the pixel-level light control effect greatly improves the contrast of the final displayed image.
  • the display control module 10 includes: a timing control T-CON unit 11 and a backlight driving unit 12;
  • the T-CON unit 11 is connected to the backlight driving unit 12, and is used to obtain the backlight control signal and the gray value of each pixel according to the image signal, and combine the backlight control signal and the gray value of each pixel
  • the gray value is sent to the backlight driving unit 12;
  • the backlight driving unit 12 is connected to the backlight liquid crystal glass 20 for adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass 20 according to the backlight control signal and the gray value of each pixel.
  • the display control module 10 further includes: a display driving unit 13;
  • the T-CON unit 11 is connected to the display driving unit 13, and is used to obtain a display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal, and control the display
  • the signal, the gray value of each pixel and the RGB value of each pixel are sent to the display driving unit 13;
  • the display driving unit 13 is connected to the liquid crystal display panel 30, and is configured to control the liquid crystal display panel 30 to display images according to the display control signal, the gray value of each pixel and the RGB value of each pixel.
  • the display control module 10 includes a T-CON (Timing Controller, timing control) unit, a backlight drive unit 12, and a display drive unit 13; the T-CON unit 11 is connected to the backlight drive unit 12 and the display drive unit, respectively 13 is connected, the backlight driving unit 12 is connected to the backlight liquid crystal glass 20, and the display driving unit 13 is connected to the liquid crystal display panel 30.
  • the T-CON unit 11 After receiving the image signal sent by the signal processing module 40, the T-CON unit 11 obtains the backlight control signal, the display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal.
  • the T-CON unit 11 sends the backlight control signal and the backlight drive signal of the gray value of each pixel to the backlight drive unit 12.
  • the T-CON unit 11 simultaneously displays the control signal, the gray value of each pixel and the pixel
  • the RGB values are sent to the display driving unit 13.
  • the backlight driving unit 12 controls the corresponding TFTs in each pixel unit in the backlight liquid crystal glass 20 to turn on and off in a certain order according to the received backlight control signal.
  • the backlight driving unit 12 will simultaneously turn on each pixel unit TFT according to the corresponding For the gray value of the pixel point, a corresponding deflection voltage is applied to deflect the liquid crystal in the pixel unit by a corresponding angle, and finally the light transmittance of the region corresponding to the pixel unit is adjusted.
  • the display driving unit 13 will respond to the display control signal, the gray value of each pixel and the RGB value of each pixel. , Controlling the liquid crystal display panel 30 so that the light emitted by the backlight light source and passing through the backlight liquid crystal glass 20 displays an image on the liquid crystal display panel 30. Since the gray value of any pixel of the image to be displayed corresponding to the image signal is larger or smaller, the light transmittance of the area of the backlight liquid crystal glass 20 corresponding to the pixel is adjusted to be larger or smaller, and the light passes through the backlight liquid crystal.
  • the light intensity value corresponding to the larger or smaller so that when the liquid crystal display panel 30 displays an image, the brightness of the pixel area corresponds to the larger or smaller, so it can be greatly improved
  • the contrast of the image displayed on the TV is improved.
  • the television further includes a signal processing module 40 connected to the display control module 10 and configured to output image signals to the display control module 10.
  • the signal processing module 40 after receiving various signals from different signal sources, the signal processing module 40 obtains the initial image signal from the received signal, performs image enhancement on the initial image signal, and obtains the processed image signal according to a certain format.
  • the processed image signal is sent to the display control module 10.
  • the TV includes a signal processing module, a display control module, a backlight liquid crystal glass, and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged on the backlight light source and the liquid crystal display panel.
  • the method is applied to the display control module and includes the steps:
  • Step S10 receiving the image signal sent by the signal processing module
  • Step S20 Adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the image signal, and control the liquid crystal display panel to display an image according to the image signal.
  • the television includes a display control module, a backlight liquid crystal glass and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between the backlight light source and the liquid crystal display panel.
  • the backlit liquid crystal glass has the same number of pixel units as the number of pixel units of the liquid crystal display panel, and the position of each pixel unit in the backlight liquid crystal glass corresponds to the position of the pixel unit of the liquid crystal display panel, and the liquid crystal deflection of the pixel unit in the backlight liquid crystal glass is different Angle, the light transmittance of the area on the backlight liquid crystal glass corresponding to the pixel unit is different, the greater the deflection angle, the greater the light transmittance, and the light reaches the corresponding area of the liquid crystal display panel after passing through this area of the backlight liquid crystal glass.
  • the display control module After the display control module receives the image signal sent by the signal processing module of the TV, it controls the angle corresponding to the liquid crystal deflection of each pixel unit in the backlight liquid crystal glass according to the image signal, and then adjusts the area corresponding to each pixel unit in the backlight liquid crystal glass At the same time, the display control module adjusts the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass, and at the same time, according to the image signal, controls the liquid crystal display panel to use the backlight light source to emit through the backlight liquid crystal The light behind the glass shows the image.
  • the image signal sent by the signal processing module is received; according to the image signal, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted, and the liquid crystal display panel is controlled to display the image according to the image signal. . Therefore, after the light emitted by the backlight light source passes through the backlight liquid crystal glass, the light intensity value of the area reaching each pixel unit of the liquid crystal display panel is different, achieving a pixel-level light control effect similar to an OLED TV, and greatly improving the contrast of the final displayed image.
  • the step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass includes:
  • Step S21 obtaining the backlight control signal and the gray value of each pixel according to the image signal
  • Step S22 Adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel.
  • the display control module obtains the backlight control signal and the gray value of each pixel of the image to be displayed corresponding to the image signal according to the image signal.
  • the backlight control signal is used to control the backlight liquid crystal glass according to a certain value.
  • the deflection is performed sequentially, and the gray value of each pixel determines the deflection angle of the liquid crystal in the corresponding pixel unit. The larger the gray value, the greater the deflection angle.
  • the display control board module controls the liquid crystal of each pixel unit area in the backlight liquid crystal glass to deflection corresponding angles in a certain order, thereby adjusting the backlight liquid crystal glass The transmittance of each pixel unit corresponding to the area.
  • This embodiment proposes a strategy for adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the gray value of each pixel in the image to be displayed corresponding to the image signal.
  • the larger or the smaller the gray value of the pixel the larger or the smaller the light transmittance of the area of the backlight liquid crystal glass corresponding to the pixel.
  • the light passes through this area of the backlight liquid crystal glass and reaches the corresponding area of the liquid crystal display panel.
  • the larger or smaller the light intensity value corresponds to, the larger or the smaller the corresponding brightness of the pixel area when the liquid crystal display panel displays an image, so that the contrast of the TV displayed image can be greatly improved.
  • step S22 includes:
  • Step S23 Obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the preset number of display screen bits and the gray value of each pixel of the TV;
  • Step S24 according to the backlight control signal and the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass, adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass.
  • the display control board module inputs the preset number of screen digits and the gray value of each pixel into the preset deflection voltage calculation formula
  • n is the number of preset screen digits of the TV
  • L is the gray value of the pixel
  • U 0 is the deflection voltage corresponding to the minimum gray value
  • U max is the deflection voltage corresponding to the maximum gray value to obtain the backlit liquid crystal glass The deflection voltage corresponding to each pixel unit in.
  • the display control board module controls the corresponding TFTs in each pixel unit in the backlight liquid crystal glass to turn on and off in a certain order according to the backlight control signal.
  • the TFT of each pixel unit is turned on, it will apply according to the gray value of the corresponding pixel.
  • the corresponding deflection voltage is used to deflect the liquid crystal in the pixel unit by a corresponding angle, and finally adjust the light transmittance of the area corresponding to each pixel unit of the backlight liquid crystal glass.
  • the display control board module can also obtain the theoretical deflection voltage corresponding to each pixel unit of the backlight liquid crystal glass according to the above calculation formula, and then obtain each pixel unit according to the theoretical deflection voltage corresponding to each pixel unit and the GAMMA gray correction method The corresponding actual deflection voltage is finally adjusted according to the backlight control signal and the actual deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass to adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass.
  • This embodiment proposes a method to obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the gray value of each pixel in the image to be displayed corresponding to the image signal and the preset number of display screen bits of the TV, and according to the deflection A strategy for voltage adjustment of the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass.
  • the larger or the smaller the gray value of a certain pixel in the image to be displayed, the larger or the smaller the deflection voltage of the pixel unit of the backlight liquid crystal glass corresponding to the pixel, the larger or the smaller the corresponding liquid crystal deflection angle of the pixel unit of the backlight liquid crystal glass The larger or smaller the correspondence is, the larger or smaller the light transmittance of the area of the backlight liquid crystal glass corresponding to the pixel point is, the greater the light intensity value corresponding to the corresponding area of the liquid crystal display panel after the light passes through the area of the backlight liquid crystal glass.
  • the step of controlling the image displayed on the liquid crystal display panel includes:
  • Step S25 obtaining the display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal;
  • Step S26 controlling the liquid crystal display panel to display an image according to the display control signal, the gray value of each pixel and the RGB value of each pixel.
  • the display control module controls the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass, and also according to the display control signal, the gray value of each pixel and the RGB value of each pixel. , Control the liquid crystal display panel so that the light emitted by the backlight light source and passed through the backlight liquid crystal glass displays an image on the liquid crystal display panel.
  • the computer-readable storage medium may be a memory that is not shown in the pixel-based light-controlling TV shown in FIG. 1, or may be ROM (Read-Only Memory)/RAM (Random Access Memory). At least one of a memory), a magnetic disk, and an optical disk.
  • the computer-readable storage medium includes a number of information to enable a pixel-based light-controlling television to execute the method described in each embodiment of the present application.

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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)
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  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

A television based on pixel light control, a pixel light control method and a computer-readable storage medium. The television comprises a display control module (10), backlight liquid crystal glass (20) and a liquid crystal display panel (30), wherein the backlight liquid crystal glass (20) is arranged between a backlight light source and the liquid crystal display panel (30); the display control module (10) is connected to the backlight liquid crystal glass (20), and is used for receiving an image signal and adjusting, according to the image signal, the light transmittance of an area corresponding to each pixel unit in the backlight liquid crystal glass (20); the display control panel module (10) is connected to the liquid crystal display panel (30) and is used for controlling, according to the image signal, the liquid crystal display panel (30) to display an image while adjusting the light transmittance of the area corresponding to each pixel unit in the backlight liquid crystal glass (20).

Description

基于像素控光的电视、像素控光方法及可读存储介质Television based on pixel light control, pixel light control method and readable storage medium
优先权信息Priority information
本申请要求于2019年7月17日申请的、申请号为201910644788.2、名称为“基于像素控光的电视、像素控光方法及可读存储介质”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application filed on July 17, 2019, with application number 201910644788.2, titled "pixel-based light control television, pixel light control method, and readable storage medium", the entire content of which is approved The reference is incorporated in this application.
技术领域Technical field
本申请涉及电视领域,尤其涉及基于像素控光的电视、像素控光方法及计算机可读存储介质。This application relates to the field of television, and in particular to a television based on pixel light control, a pixel light control method, and a computer-readable storage medium.
背景技术Background technique
随着技术的进步,消费水平以及消费意识的提升,消费者对电视机的画质有更高的要求。OLED电视由于是自发光,能实现像素级控光,在图像画质对比度等方面比LCD电视更好。虽然LCD电视采用区域调光技术,使得LCD电视在图像画质对比度等方面有了提升,但分区数量有限,仍然达不到OLED电视那种像素级控光效果,因此区域调光技术对电视对比度的提升有限。With the advancement of technology, consumption level and consumption awareness, consumers have higher requirements for the picture quality of TV sets. Since OLED TVs are self-luminous, they can achieve pixel-level light control, and are better than LCD TVs in terms of image quality and contrast. Although LCD TVs use regional dimming technology, LCD TVs have improved image quality and contrast, but the number of partitions is limited, which still cannot achieve the pixel-level light control effect of OLED TVs. Therefore, regional dimming technology has an impact on TV contrast. The improvement is limited.
上述内容仅用于辅助理解本申请的技术方案,并不代表承认上述内容是现有技术。The above content is only used to assist the understanding of the technical solution of this application, and does not mean that the above content is recognized as prior art.
发明内容Summary of the invention
本申请的主要目的在于提供一种基于像素控光的电视、像素控光方法及计算机可读存储介质,旨在解决现有LCD电视采用区域调光技术对电视对比度提升有限的技术问题。The main purpose of this application is to provide a TV based on pixel light control, a pixel light control method, and a computer-readable storage medium, aiming to solve the technical problem that the existing LCD TV adopts regional dimming technology to improve the contrast of the TV.
为实现上述目的,本申请提供一种基于像素控光的电视,To achieve the above objective, the present application provides a TV based on pixel light control,
所述电视还包括显示控制模块、背光液晶玻璃和液晶显示面板,其中所述背光液晶玻璃设置在背光光源与液晶显示面板之间;The TV further includes a display control module, a backlight liquid crystal glass and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between the backlight light source and the liquid crystal display panel;
所述显示控制模块,与所述背光液晶玻璃连接,用于接收图像信号,并根据所述图像信号,调节所述背光液晶玻璃中各像素单元对应区域的透光率;The display control module is connected to the backlight liquid crystal glass, and is used to receive image signals, and adjust the light transmittance of the corresponding areas of each pixel unit in the backlight liquid crystal glass according to the image signals;
所述显示控制模块,还与所述液晶显示面板连接,用于在调节所述背光液晶玻璃中各像素单元对应区域的透光率的同时,根据所述图像信号控制液晶显示面板显示图像。The display control module is also connected to the liquid crystal display panel, and is used to control the liquid crystal display panel to display images according to the image signal while adjusting the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass.
在一实施例中,所述显示控制模块包括:时序控制T-CON单元和背光驱动单元;In an embodiment, the display control module includes: a timing control T-CON unit and a backlight driving unit;
所述T-CON单元,与所述背光驱动单元连接,用于接收所述图像信号,并根据所述图像信号获得背光控制信号和各像素点的灰度值,以将所述背光控制信号和各像素点的灰度值发送至所述背光驱动单元;The T-CON unit is connected to the backlight driving unit, and is used to receive the image signal, and obtain the backlight control signal and the gray value of each pixel according to the image signal, so as to combine the backlight control signal and Sending the gray value of each pixel to the backlight driving unit;
所述背光驱动单元,与所述背光液晶玻璃连接,用于根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率。The backlight driving unit is connected to the backlight liquid crystal glass and is used for adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel point.
在一实施例中,所述显示控制模块还包括:显示驱动单元;In an embodiment, the display control module further includes: a display driving unit;
所述T-CON单元,与所述显示驱动单元连接,还用于根据所述图像信号,获得显示控制信号、各像素点的灰度值和各像素点的RGB值,并将所述显示控制信号、各像素点的灰度值和各像素点的RGB值发送至所述显示驱动单元;The T-CON unit, connected to the display drive unit, is also used to obtain a display control signal, the gray value of each pixel, and the RGB value of each pixel according to the image signal, and control the display The signal, the gray value of each pixel and the RGB value of each pixel are sent to the display driving unit;
所述显示驱动单元,与所述液晶显示面板连接,用于根据所述显示控制信号、各像素点的灰度值和各像素点的RGB值,控制所述液晶显示面板显示图像。The display driving unit is connected to the liquid crystal display panel, and is configured to control the liquid crystal display panel to display images according to the display control signal, the gray value of each pixel and the RGB value of each pixel.
在一实施例中,所述电视还包括:In an embodiment, the television further includes:
信号处理模块,与所述显示控制模块连接,用于输出图像信号至所述显示控制模块。The signal processing module is connected to the display control module and is used to output image signals to the display control module.
此外,为实现上述目的,本申请还提供一种像素控光方法,所述电视包括信号处理模块、显示控制模块、背光液晶玻璃和液晶显示面板,其中所述背光液晶玻璃设置在背光光源与液晶显示面板之间,所述方法应用于所述显示控制模块,包括:In addition, in order to achieve the above object, the present application also provides a pixel light control method. The TV includes a signal processing module, a display control module, a backlight liquid crystal glass, and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged on the backlight light source and the liquid crystal display panel. Between display panels, the method applied to the display control module includes:
接收信号处理模块发送的图像信号;Receive the image signal sent by the signal processing module;
根据所述图像信号,调节所述背光液晶玻璃的各像素单元对应区域的透光率,同时根据所述图像信号控制所述液晶显示面板显示图像。According to the image signal, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted, and at the same time, the liquid crystal display panel is controlled to display an image according to the image signal.
在一实施例中,所述根据所述图像信号,调节所述背光液晶玻璃的各像素单元对应区域的透光率的步骤包括:In an embodiment, the step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the image signal includes:
根据所述图像信号,获得背光控制信号和各像素点的灰度值;Obtaining the backlight control signal and the gray value of each pixel according to the image signal;
根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率。According to the backlight control signal and the gray value of each pixel point, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted.
在一实施例中,所述根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率的步骤包括:In an embodiment, the step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel point includes:
根据电视预设显示屏位数和各像素点的灰度值,获得背光液晶玻璃中各像素单元对应的偏转电压;Obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the preset number of display screen bits and the gray value of each pixel;
根据所述背光控制信号和背光液晶玻璃中各像素单元对应的偏转电压,调节所述背光液晶玻璃的各像素单元对应区域的透光率。According to the backlight control signal and the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted.
在一实施例中,所述根据电视预设显示屏位数和各像素点的灰度值,获得背光液晶玻璃中各像素单元对应的偏转电压的步骤包括:In one embodiment, the step of obtaining the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the preset number of display screen bits of the TV and the gray value of each pixel point includes:
将电视预设显示屏位数和各像素点的灰度值输入至预设的偏转电压计算公式
Figure PCTCN2020097432-appb-000001
中,其中n为电视预设显示屏位数,L为像素点的灰度值,U 0为预设的最小灰度值对应的偏转电压,U max为预设的最大灰度值对应的偏转电压,获得背光液晶玻璃中各像素单元对应的偏转电压。
Input the preset number of screen digits and the gray value of each pixel into the preset deflection voltage calculation formula
Figure PCTCN2020097432-appb-000001
Where n is the preset number of screen digits of the TV, L is the gray value of the pixel, U 0 is the deflection voltage corresponding to the preset minimum gray value, and U max is the deflection corresponding to the preset maximum gray value Voltage to obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass.
在一实施例中,所述根据所述图像信号控制所述液晶显示面板显示图像的步骤包括:In an embodiment, the step of controlling the liquid crystal display panel to display an image according to the image signal includes:
根据所述图像信号,获得显示控制信号、各像素点的灰度值和各像素点的RGB值;Obtaining the display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal;
根据所述显示控制信号、各像素点的灰度值和各像素点的RGB值,控制所述液晶显示面板显示图像。According to the display control signal, the gray value of each pixel and the RGB value of each pixel, the liquid crystal display panel is controlled to display an image.
此外,为实现上述目的,本申请还提供一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如上所述的像素控光方法的步骤。In addition, in order to achieve the above object, the present application also provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the pixel light control method described above is implemented A step of.
本申请实施例提出的一种基于像素控光的电视、像素控光方法及计算机可读存储介质,通过在所述电视设置显示控制模块、背光液晶玻璃和液晶显示面板,其中所述背光液晶玻璃设置在背光光源与液晶显示面板之间;所述显示控制模块,与所述背光液晶玻璃连接,用于接收图像信号,并根据所述图像信号,调节所述背光液晶玻璃中各像素单元对应区域的透光率;所述显 示控制板模块,与所述液晶显示面板连接,用于在调节所述背光液晶玻璃中各像素单元对应区域的透光率的同时,根据所述图像信号,控制液晶显示面板显示图像。从而通过在背光光源与液晶显示面板设置背光液晶玻璃,根据图像信号,独立调节背光液晶玻璃各区域的透光率,进而独立调节背光光源发射的光线通过背光液晶玻璃后到达液晶显示面板各像素区域的光强度值,达到像素控光效果,极大提高了最终显示图像的对比度。The embodiment of the application proposes a TV based on pixel light control, a pixel light control method, and a computer-readable storage medium. The TV is provided with a display control module, a backlight liquid crystal glass, and a liquid crystal display panel, wherein the backlight liquid crystal glass Set between the backlight light source and the liquid crystal display panel; the display control module, connected to the backlight liquid crystal glass, is used to receive an image signal, and adjust the corresponding area of each pixel unit in the backlight liquid crystal glass according to the image signal The light transmittance; the display control board module, connected to the liquid crystal display panel, is used to adjust the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass while controlling the liquid crystal according to the image signal The display panel displays the image. Therefore, by setting the backlight liquid crystal glass on the backlight light source and the liquid crystal display panel, according to the image signal, the light transmittance of each area of the backlight liquid crystal glass is independently adjusted, and the light emitted by the backlight light source is independently adjusted to reach each pixel area of the liquid crystal display panel after passing through the backlight liquid crystal glass. The light intensity value of the pixel achieves the pixel light control effect, which greatly improves the contrast of the final displayed image.
附图说明Description of the drawings
图1为本申请基于像素控光的电视的一实施例的模块示意图;FIG. 1 is a schematic diagram of modules of an embodiment of a TV based on pixel light control of the present application;
图2为本申请像素控光方法第一实施例的流程示意图;2 is a schematic flowchart of a first embodiment of a pixel light control method according to this application;
图3为本申请像素控光方法第二实施例中步骤S20中的所述根据所述图像信号,调节所述背光液晶玻璃中各像素单元对应区域的透光率的步骤的细化流程示意图;3 is a detailed flowchart of the step of adjusting the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass according to the image signal in step S20 in the second embodiment of the pixel light control method of this application;
图4为本申请像素控光方法第三实施例中步骤S22的细化流程示意图;4 is a schematic diagram of the detailed process of step S22 in the third embodiment of the pixel light control method of this application;
图5为本申请像素控光方法第四实施例中步骤S20中的所述根据所述图像信号,控制液晶显示面板显示图像的步骤的细化流程示意图。FIG. 5 is a detailed flow diagram of the step of controlling the liquid crystal display panel to display images according to the image signal in step S20 in the fourth embodiment of the pixel light control method of this application.
本申请目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。The realization, functional characteristics, and advantages of the purpose of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.
附图标号说明:Description with icon number:
标号Label 名称 name 标号Label 名称name
1010 显示控制模块 Display control module 2020 背光液晶玻璃 Backlit LCD glass
3030 液晶显示面板 LCD panel 4040 信号处理模块Signal processing module
1111 T-CON单元T-CON unit 1212 背光驱动单元 Backlight driving unit
1313 显示驱动单元Display drive unit  To  To
具体实施方式Detailed ways
应当理解,此处所描述的具体实施例仅仅用以解释本申请,并不用于限定本申请。It should be understood that the specific embodiments described here are only used to explain the application, and are not used to limit the application.
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请的一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.
需要说明,本申请实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of this application are only used to explain the difference between components in a particular posture (as shown in the accompanying drawings). If the relative position relationship, movement situation, etc. change, the directional indication will change accordingly.
另外,在本申请中涉及“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,各个实施例之间的技术方案可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本申请要求的保护范围之内。In addition, the descriptions related to “first”, “second”, etc. in this application are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Not within the scope of protection required by this application.
请参照图1,在本申请基于像素控光的电视的一实施例中,所述电视包括显示控制模块10、背光液晶玻璃20和液晶显示面板30,其中所述背光液晶玻璃20设置在背光光源与液晶显示面板30之间;1, in an embodiment of a TV based on pixel light control of the present application, the TV includes a display control module 10, a backlight liquid crystal glass 20, and a liquid crystal display panel 30, wherein the backlight liquid crystal glass 20 is arranged on the backlight light source Between and the liquid crystal display panel 30;
所述显示控制模块10,与所述背光液晶玻璃20连接,用于接收图像信号,并根据所述图像信号,调节所述背光液晶玻璃20中各像素单元对应区域的透光率。The display control module 10 is connected to the backlight liquid crystal glass 20 for receiving image signals, and according to the image signals, adjusts the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass 20.
所述显示控制板模块,与所述液晶显示面板30连接,用于在调节所述背光液晶玻璃20中各像素单元对应区域的透光率的同时,根据所述图像信号,控制液晶显示面板30显示图像。The display control board module is connected to the liquid crystal display panel 30, and is used to control the liquid crystal display panel 30 according to the image signal while adjusting the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass 20 Display the image.
在本实施例中,电视包括显示控制模块10、背光液晶玻璃20和液晶显示面板30,其中所述背光液晶玻璃20设置在背光光源(图未示)与液晶显示面板30之间。背光液晶玻璃20具有的像素单元数量与液晶显示面板30的像素单元数量相同,像素单元中包括对应的液晶和TFT(Thin Film Transistor,薄膜晶体管),并且背光液晶玻璃20中各像素单元对应的区域位置和液晶显示面板30的像素单元对应的区域位置一一对应,背光液晶玻璃20中的像素单 元的液晶偏转不同角度,该像素单元对应的背光液晶玻璃20上的区域的透光率则不同,偏转角度越大,透光率越大,光线通过背光液晶玻璃20的该区域后到达液晶显示面板30对应区域的光强度值越大。所述电视包括显示控制板模块与背光液晶玻璃20连接。所述显示控制模块10接收图像信号后,会根据图像信号,控制背光液晶玻璃20中各像素单元的液晶偏转对应的角度,进而调节板背光液晶玻璃20中各像素单元对应的区域的透光率,同时显示控制模块10在调节所述背光液晶玻璃20中各像素单元对应区域的透光率的同时,还会根据所述图像信号,控制液晶显示面板30,以使由背光光源发射的通过背光液晶玻璃20后到达液晶显示面板30的光线在液晶显示面板30上显示图像。故根据图像信号,通过调节背光液晶玻璃20各区域的透光率,进而可以控制由背光光源发射的光线通过背光液晶玻璃20后,到达液晶显示面板30各区域的光强度值,达到类似OLED电视的像素级控光效果,极大提高最终显示图像的对比度。In this embodiment, the television includes a display control module 10, a backlight liquid crystal glass 20 and a liquid crystal display panel 30, wherein the backlight liquid crystal glass 20 is arranged between the backlight light source (not shown) and the liquid crystal display panel 30. The backlight liquid crystal glass 20 has the same number of pixel units as that of the liquid crystal display panel 30. The pixel units include corresponding liquid crystals and TFTs (Thin Film Transistors), and the backlight liquid crystal glass 20 corresponds to the area of each pixel unit The position corresponds to the position of the area corresponding to the pixel unit of the liquid crystal display panel 30. The liquid crystal of the pixel unit in the backlight liquid crystal glass 20 is deflected at different angles, and the light transmittance of the area on the backlight liquid crystal glass 20 corresponding to the pixel unit is different. The greater the deflection angle, the greater the light transmittance, and the greater the light intensity value of the light reaching the corresponding area of the liquid crystal display panel 30 after passing through the area of the backlight liquid crystal glass 20. The television includes a display control panel module connected to the backlight liquid crystal glass 20. After receiving the image signal, the display control module 10 controls the angle corresponding to the liquid crystal deflection of each pixel unit in the backlight liquid crystal glass 20 according to the image signal, and then adjusts the light transmittance of the area corresponding to each pixel unit in the panel backlight liquid crystal glass 20 At the same time, while the display control module 10 adjusts the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass 20, it also controls the liquid crystal display panel 30 according to the image signal so that the light emitted by the backlight light source passes through the backlight The light that reaches the liquid crystal display panel 30 after the liquid crystal glass 20 displays an image on the liquid crystal display panel 30. Therefore, according to the image signal, by adjusting the light transmittance of each area of the backlight liquid crystal glass 20, the light emitted by the backlight light source can be controlled to reach the light intensity value of each area of the liquid crystal display panel 30 after passing through the backlight liquid crystal glass 20, which is similar to an OLED TV. The pixel-level light control effect greatly improves the contrast of the final displayed image.
进一步地,所述显示控制模块10包括:时序控制T-CON单元11和背光驱动单元12;Further, the display control module 10 includes: a timing control T-CON unit 11 and a backlight driving unit 12;
所述T-CON单元11,与所述背光驱动单元12连接,用于根据所述图像信号,获得背光控制信号和各像素点的灰度值,并将所述背光控制信号和各像素点的灰度值发送至所述背光驱动单元12;The T-CON unit 11 is connected to the backlight driving unit 12, and is used to obtain the backlight control signal and the gray value of each pixel according to the image signal, and combine the backlight control signal and the gray value of each pixel The gray value is sent to the backlight driving unit 12;
所述背光驱动单元12与所述背光液晶玻璃20连接,用于根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃20的各像素单元对应区域的透光率。The backlight driving unit 12 is connected to the backlight liquid crystal glass 20 for adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass 20 according to the backlight control signal and the gray value of each pixel.
所述显示控制模块10还包括:显示驱动单元13;The display control module 10 further includes: a display driving unit 13;
所述T-CON单元11与所述显示驱动单元13连接,用于根据所述图像信号,获得显示控制信号、各像素点的灰度值和各像素点的RGB值,并将所述显示控制信号、各像素点的灰度值和各像素点的RGB值发送至所述显示驱动单元13;The T-CON unit 11 is connected to the display driving unit 13, and is used to obtain a display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal, and control the display The signal, the gray value of each pixel and the RGB value of each pixel are sent to the display driving unit 13;
所述显示驱动单元13与所述液晶显示面板30连接,用于根据所述显示控制信号、各像素点的灰度值和各像素点的RGB值,控制所述液晶显示面板30显示图像。The display driving unit 13 is connected to the liquid crystal display panel 30, and is configured to control the liquid crystal display panel 30 to display images according to the display control signal, the gray value of each pixel and the RGB value of each pixel.
在本实施例中,所述显示控制模块10包括T-CON(Timing Controller, 时序控制)单元、背光驱动单元12和显示驱动单元13;T-CON单元11分别与背光驱动单元12和显示驱动单元13连接,背光驱动单元12与背光液晶玻璃20连接,显示驱动单元13与液晶显示面板30连接。T-CON单元11接收到信号处理模块40发送的图像信号后,根据所述图像信号,获得背光控制信号、显示控制信号、各像素点的灰度值和各像素点的RGB值。T-CON单元11将背光控制信号和各像素点的灰度值的背光驱动信号发送至背光驱动单元12,T-CON单元11同时将显示控制信号、各像素点的灰度值和各像素点的RGB值发送至显示驱动单元13。背光驱动单元12根据接收到的背光控制信号控制背光液晶玻璃20中各像素单元中对应的TFT按照一定顺序依次开启和关闭,背光驱动单元12同时会在每一个像素单元TFT开启时,根据对应的像素点灰度值,施加对应的偏转电压,以使该像素单元中的液晶偏转对应的角度,最终调节该像素单元对应的区域的透光率。在液背光驱动单元12调节所述背光液晶玻璃20中各像素单元对应区域的透光率的同时,显示驱动单元13会根据显示控制信号、各像素点的灰度值和各像素点的RGB值,控制液晶显示面板30,以使由背光光源发射并通过背光液晶玻璃20后的光线在液晶显示面板30上显示图像。由于图像信号对应的待显示图像的任一像素点的灰度值越大或越小,调节该像素点对应的背光液晶玻璃20的区域的透光率对应越大或越小,光线通过背光液晶玻璃20的该区域后到达液晶显示面板30的对应区域的光强度值对应越大或越小,使得液晶显示面板30显示图像时该像素区域的亮度对应越大或越小,因此可以极大提高了电视显示图像的对比度。In this embodiment, the display control module 10 includes a T-CON (Timing Controller, timing control) unit, a backlight drive unit 12, and a display drive unit 13; the T-CON unit 11 is connected to the backlight drive unit 12 and the display drive unit, respectively 13 is connected, the backlight driving unit 12 is connected to the backlight liquid crystal glass 20, and the display driving unit 13 is connected to the liquid crystal display panel 30. After receiving the image signal sent by the signal processing module 40, the T-CON unit 11 obtains the backlight control signal, the display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal. The T-CON unit 11 sends the backlight control signal and the backlight drive signal of the gray value of each pixel to the backlight drive unit 12. The T-CON unit 11 simultaneously displays the control signal, the gray value of each pixel and the pixel The RGB values are sent to the display driving unit 13. The backlight driving unit 12 controls the corresponding TFTs in each pixel unit in the backlight liquid crystal glass 20 to turn on and off in a certain order according to the received backlight control signal. The backlight driving unit 12 will simultaneously turn on each pixel unit TFT according to the corresponding For the gray value of the pixel point, a corresponding deflection voltage is applied to deflect the liquid crystal in the pixel unit by a corresponding angle, and finally the light transmittance of the region corresponding to the pixel unit is adjusted. While the liquid backlight driving unit 12 adjusts the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass 20, the display driving unit 13 will respond to the display control signal, the gray value of each pixel and the RGB value of each pixel. , Controlling the liquid crystal display panel 30 so that the light emitted by the backlight light source and passing through the backlight liquid crystal glass 20 displays an image on the liquid crystal display panel 30. Since the gray value of any pixel of the image to be displayed corresponding to the image signal is larger or smaller, the light transmittance of the area of the backlight liquid crystal glass 20 corresponding to the pixel is adjusted to be larger or smaller, and the light passes through the backlight liquid crystal. After the area of the glass 20 reaches the corresponding area of the liquid crystal display panel 30, the light intensity value corresponding to the larger or smaller, so that when the liquid crystal display panel 30 displays an image, the brightness of the pixel area corresponds to the larger or smaller, so it can be greatly improved The contrast of the image displayed on the TV is improved.
进一步地,所述电视还包括信号处理模块40,与所述显示控制模块10连接,用于输出图像信号至所述显示控制模块10。Further, the television further includes a signal processing module 40 connected to the display control module 10 and configured to output image signals to the display control module 10.
在本实施例中,信号处理模块40接收到不同信号源输入各种信号后,从接收到信号中获得初始图像信号,对初始图像信号进行图像增强,获得处理后的图像信号,并按一定格式将处理后的图像信号发送至显示控制模块10。In this embodiment, after receiving various signals from different signal sources, the signal processing module 40 obtains the initial image signal from the received signal, performs image enhancement on the initial image signal, and obtains the processed image signal according to a certain format. The processed image signal is sent to the display control module 10.
参照图2,在本申请像素控光方法的第一实施例中,所述电视包括信号处理模块、显示控制模块、背光液晶玻璃和液晶显示面板,其中所述背光液晶玻璃设置在背光光源与液晶显示面板之间,所述方法应用于所述显示控制模块,包括步骤:2, in the first embodiment of the pixel light control method of the present application, the TV includes a signal processing module, a display control module, a backlight liquid crystal glass, and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged on the backlight light source and the liquid crystal display panel. Between display panels, the method is applied to the display control module and includes the steps:
步骤S10,接收信号处理模块发送的图像信号;Step S10, receiving the image signal sent by the signal processing module;
步骤S20,根据所述图像信号,调节所述背光液晶玻璃的各像素单元对应区域的透光率,同时根据所述图像信号控制所述液晶显示面板显示图像。Step S20: Adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the image signal, and control the liquid crystal display panel to display an image according to the image signal.
在本实施例中,电视包括显示控制模块、背光液晶玻璃和液晶显示面板,其中所述背光液晶玻璃设置在背光光源与液晶显示面板之间。背光液晶玻璃具有的像素单元数量与液晶显示面板的像素单元数量相同,并且背光液晶玻璃中各像素单元位置和液晶显示面板的像素单元位置一一对应,背光液晶玻璃中的像素单元的液晶偏转不同角度,该像素单元对应的背光液晶玻璃上的区域的透光率则不同,偏转角度越大,透光率越大,光线通过背光液晶玻璃的该区域后到达液晶显示面板对应区域的光强度值越大。所述显示控制模块接收到电视的信号处理模块发送的图像信号后,会根据图像信号,控制背光液晶玻璃中各像素单元的液晶偏转对应的角度,进而调节背光液晶玻璃中各像素单元对应的区域的透光率,同时显示控制模块在调节所述背光液晶玻璃中各像素单元对应区域的透光率的同时,还会根据所述图像信号,控制液晶显示面板利用由背光光源发射并通过背光液晶玻璃后的光线,显示图像。In this embodiment, the television includes a display control module, a backlight liquid crystal glass and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between the backlight light source and the liquid crystal display panel. The backlit liquid crystal glass has the same number of pixel units as the number of pixel units of the liquid crystal display panel, and the position of each pixel unit in the backlight liquid crystal glass corresponds to the position of the pixel unit of the liquid crystal display panel, and the liquid crystal deflection of the pixel unit in the backlight liquid crystal glass is different Angle, the light transmittance of the area on the backlight liquid crystal glass corresponding to the pixel unit is different, the greater the deflection angle, the greater the light transmittance, and the light reaches the corresponding area of the liquid crystal display panel after passing through this area of the backlight liquid crystal glass. Bigger. After the display control module receives the image signal sent by the signal processing module of the TV, it controls the angle corresponding to the liquid crystal deflection of each pixel unit in the backlight liquid crystal glass according to the image signal, and then adjusts the area corresponding to each pixel unit in the backlight liquid crystal glass At the same time, the display control module adjusts the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass, and at the same time, according to the image signal, controls the liquid crystal display panel to use the backlight light source to emit through the backlight liquid crystal The light behind the glass shows the image.
本实施例通过接收信号处理模块发送的图像信号;根据所述图像信号,调节所述背光液晶玻璃的各像素单元对应区域的透光率,同时根据所述图像信号控制所述液晶显示面板显示图像。从而使得背光光源发射的光线通过背光液晶玻璃后,到达液晶显示面板各像素单元的区域的光强度值不同,达到类似OLED电视的像素级控光效果,极大提高最终显示图像的对比度。In this embodiment, the image signal sent by the signal processing module is received; according to the image signal, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted, and the liquid crystal display panel is controlled to display the image according to the image signal. . Therefore, after the light emitted by the backlight light source passes through the backlight liquid crystal glass, the light intensity value of the area reaching each pixel unit of the liquid crystal display panel is different, achieving a pixel-level light control effect similar to an OLED TV, and greatly improving the contrast of the final displayed image.
进一步地,参照图3,根据本申请像素控光方法的第一实施例提出本申请像素控光方法的第二实施例,在本实施例中,在步骤S20中所述根据所述图像信号,调节所述背光液晶玻璃的各像素单元对应区域的透光率的步骤包括:Further, referring to FIG. 3, according to the first embodiment of the pixel light control method of the present application, a second embodiment of the pixel light control method of the present application is proposed. In this embodiment, according to the image signal in step S20, The step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass includes:
步骤S21,根据所述图像信号,获得背光控制信号和各像素点的灰度值;Step S21, obtaining the backlight control signal and the gray value of each pixel according to the image signal;
步骤S22,根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率。Step S22: Adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel.
在本实施例中,显示控制模块根据所述图像信号,获得背光控制信号和图像信号对应的待显示图像的各像素点的灰度值,背光控制信号用于控制背光液晶玻璃中各液晶按一定顺序依次进行偏转,各像素点的灰度值决定对应的各像素单元中的液晶的偏转角度,灰度值越大,偏转角度越大。显示控制板模块根据所述背光控制信号和各像素点的灰度值,控制所述背光液晶玻璃 中的各像素单元区域的液晶按一定顺序依次进行偏转对应的角度,进而调节所述背光液晶玻璃的各像素单元对应区域的透光率。In this embodiment, the display control module obtains the backlight control signal and the gray value of each pixel of the image to be displayed corresponding to the image signal according to the image signal. The backlight control signal is used to control the backlight liquid crystal glass according to a certain value. The deflection is performed sequentially, and the gray value of each pixel determines the deflection angle of the liquid crystal in the corresponding pixel unit. The larger the gray value, the greater the deflection angle. According to the backlight control signal and the gray value of each pixel, the display control board module controls the liquid crystal of each pixel unit area in the backlight liquid crystal glass to deflection corresponding angles in a certain order, thereby adjusting the backlight liquid crystal glass The transmittance of each pixel unit corresponding to the area.
本实施例提出了一种根据图像信号对应的待显示图像中的各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率的策略,待显示图像中某一像素点的灰度值越大或越小,该像素点对应的背光液晶玻璃的区域的透光率对应越大或越小,光线通过背光液晶玻璃的该区域后到达液晶显示面板的对应区域的光强度值对应越大或越小,使得液晶显示面板显示图像时该像素区域的亮度对应越大或越小,因此可以极大提高了电视显示图像的对比度。This embodiment proposes a strategy for adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the gray value of each pixel in the image to be displayed corresponding to the image signal. The larger or the smaller the gray value of the pixel, the larger or the smaller the light transmittance of the area of the backlight liquid crystal glass corresponding to the pixel. The light passes through this area of the backlight liquid crystal glass and reaches the corresponding area of the liquid crystal display panel. The larger or smaller the light intensity value corresponds to, the larger or the smaller the corresponding brightness of the pixel area when the liquid crystal display panel displays an image, so that the contrast of the TV displayed image can be greatly improved.
进一步地,参照图4,根据本申请像素控光方法的第一实施例提出本申请像素控光方法的第三实施例,在本实施例中,步骤S22包括:Further, referring to FIG. 4, a third embodiment of the pixel light control method of the present application is proposed according to the first embodiment of the pixel light control method of the present application. In this embodiment, step S22 includes:
步骤S23,根据电视预设显示屏位数和各像素点的灰度值,获得背光液晶玻璃中各像素单元对应的偏转电压;Step S23: Obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the preset number of display screen bits and the gray value of each pixel of the TV;
步骤S24,根据所述背光控制信号和背光液晶玻璃中各像素单元对应的偏转电压,调节所述背光液晶玻璃的各像素单元对应区域的透光率。Step S24, according to the backlight control signal and the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass, adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass.
在本实施例中,显示屏位数n和灰度级数L max有关,其中L max=2 n。显示控制板模块将电视预设显示屏位数和各像素点的灰度值输入至预设的偏转电压计算公式
Figure PCTCN2020097432-appb-000002
中,其中n为电视预设显示屏位数,L为像素点的灰度值,U 0为最小灰度值对应的偏转电压,U max为最大灰度值对应的偏转电压,获得背光液晶玻璃中各像素单元对应的偏转电压。
In this embodiment, the number n of the display screen is related to the number of gray levels L max , where L max =2 n . The display control board module inputs the preset number of screen digits and the gray value of each pixel into the preset deflection voltage calculation formula
Figure PCTCN2020097432-appb-000002
Where n is the number of preset screen digits of the TV, L is the gray value of the pixel, U 0 is the deflection voltage corresponding to the minimum gray value, and U max is the deflection voltage corresponding to the maximum gray value to obtain the backlit liquid crystal glass The deflection voltage corresponding to each pixel unit in.
显示控制板模块根据背光控制信号控制背光液晶玻璃中各像素单元中对应的TFT按照一定顺序依次开启和关闭,同时会在每一个像素单元的TFT开启时,根据对应的像素点灰度值,施加对应的偏转电压,以使像素单元中的液晶偏转对应的角度,最终调节背光液晶玻璃的各像素单元对应的区域的透光率。The display control board module controls the corresponding TFTs in each pixel unit in the backlight liquid crystal glass to turn on and off in a certain order according to the backlight control signal. At the same time, when the TFT of each pixel unit is turned on, it will apply according to the gray value of the corresponding pixel. The corresponding deflection voltage is used to deflect the liquid crystal in the pixel unit by a corresponding angle, and finally adjust the light transmittance of the area corresponding to each pixel unit of the backlight liquid crystal glass.
需要说明的时,显示控制板模块还可以根据上述计算公式获得背光液晶玻璃各像素单元对应的理论偏转电压,然后再根据各像素单元对应的理论偏转电压和GAMMA灰度校正法,获得各像素单元对应的实际偏转电压,最后根据背光控制信号和背光液晶玻璃中各像素单元对应的实际偏转电压,调节所述背光液晶玻璃的各像素单元对应区域的透光率。When it needs to be explained, the display control board module can also obtain the theoretical deflection voltage corresponding to each pixel unit of the backlight liquid crystal glass according to the above calculation formula, and then obtain each pixel unit according to the theoretical deflection voltage corresponding to each pixel unit and the GAMMA gray correction method The corresponding actual deflection voltage is finally adjusted according to the backlight control signal and the actual deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass to adjust the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass.
本实施例提出了一种根据图像信号对应的待显示图像中的各像素点的灰 度值和电视预设的显示屏位数,获得背光液晶玻璃中各像素单元对应的偏转电压,并根据偏转电压调节所述背光液晶玻璃的各像素单元对应区域的透光率的策略。待显示图像中某一像素点的灰度值越大或越小,该像素点对应的背光液晶玻璃的像素单元的偏转电压对应越大或越小,背光液晶玻璃的该像素单元的液晶偏转角度对应越大或越小,该像素点对应的背光液晶玻璃的区域的透光率对应越大或越小,光线通过背光液晶玻璃的该区域后到达液晶显示面板的对应区域的光强度值对应越大或越小,使得液晶显示面板显示图像时该像素区域的亮度对应越大或越小,因此可以极大提高了电视显示图像的对比度。This embodiment proposes a method to obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the gray value of each pixel in the image to be displayed corresponding to the image signal and the preset number of display screen bits of the TV, and according to the deflection A strategy for voltage adjustment of the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass. The larger or the smaller the gray value of a certain pixel in the image to be displayed, the larger or the smaller the deflection voltage of the pixel unit of the backlight liquid crystal glass corresponding to the pixel, the larger or the smaller the corresponding liquid crystal deflection angle of the pixel unit of the backlight liquid crystal glass The larger or smaller the correspondence is, the larger or smaller the light transmittance of the area of the backlight liquid crystal glass corresponding to the pixel point is, the greater the light intensity value corresponding to the corresponding area of the liquid crystal display panel after the light passes through the area of the backlight liquid crystal glass. The larger or the smaller, the larger or the smaller the corresponding brightness of the pixel area when the liquid crystal display panel displays an image, so that the contrast of the TV displayed image can be greatly improved.
进一步地,参照图5,根据本申请像素控光方法的第一实施例提出本申请像素控光方法的第四实施例,在本实施例中,在步骤S20中所述根据所述图像信号,控制所述液晶显示面板显示图像的步骤包括:Further, referring to FIG. 5, according to the first embodiment of the pixel light control method of the present application, a fourth embodiment of the pixel light control method of the present application is proposed. In this embodiment, according to the image signal in step S20, The step of controlling the image displayed on the liquid crystal display panel includes:
步骤S25,根据所述图像信号,获得显示控制信号、各像素点的灰度值和各像素点的RGB值;Step S25, obtaining the display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal;
步骤S26,根据所述显示控制信号、各像素点的灰度值和各像素点的RGB值,控制所述液晶显示面板显示图像。Step S26, controlling the liquid crystal display panel to display an image according to the display control signal, the gray value of each pixel and the RGB value of each pixel.
在本实施例中,显示控制模块在控制所述背光液晶玻璃中各像素单元对应区域的透光率的同时,还会根据显示控制信号、各像素点的灰度值和各像素点的RGB值,控制液晶显示面板,以使由背光光源发射并通过背光液晶玻璃后的光线在液晶显示面板上显示图像。In this embodiment, the display control module controls the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass, and also according to the display control signal, the gray value of each pixel and the RGB value of each pixel. , Control the liquid crystal display panel so that the light emitted by the backlight light source and passed through the backlight liquid crystal glass displays an image on the liquid crystal display panel.
本申请还提出一种计算机可读存储介质,其上存储有计算机程序。所述计算机可读存储介质可以是图1的基于像素控光的电视中未示出的存储器,也可以是如ROM(Read-Only Memory,只读存储器)/RAM(Random Access Memory,随机存取存储器)、磁碟、光盘中的至少一种,所述计算机可读存储介质包括若干信息用以使得基于像素控光的电视执行本申请各个实施例所述的方法。This application also proposes a computer-readable storage medium on which a computer program is stored. The computer-readable storage medium may be a memory that is not shown in the pixel-based light-controlling TV shown in FIG. 1, or may be ROM (Read-Only Memory)/RAM (Random Access Memory). At least one of a memory), a magnetic disk, and an optical disk. The computer-readable storage medium includes a number of information to enable a pixel-based light-controlling television to execute the method described in each embodiment of the present application.
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者***不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者***所固有的要素。在没有更多限制的情况下, 由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者***中还存在另外的相同要素。It should be noted that in this article, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements not only includes those elements, It also includes other elements that are not explicitly listed, or elements inherent to the process, method, article, or system. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article or system that includes the element.
上述本申请实施例序号仅仅为了描述,不代表实施例的优劣。The serial numbers of the foregoing embodiments of the present application are for description only, and do not represent the superiority of the embodiments.
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。Through the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better.的实施方式。
以上仅为本申请的优选实施例,并非因此限制本申请的专利范围,凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本申请的专利保护范围内。The above are only preferred embodiments of this application, and do not limit the scope of this application. Any equivalent structure or equivalent process transformation made using the content of the description and drawings of this application, or directly or indirectly used in other related technical fields , The same reason is included in the scope of patent protection of this application.

Claims (10)

  1. 一种基于像素控光的电视,所述电视包括背光光源,其中,所述电视还包括显示控制模块、背光液晶玻璃和液晶显示面板,其中所述背光液晶玻璃设置在背光光源与液晶显示面板之间;A television based on pixel light control, the television includes a backlight light source, wherein the television further includes a display control module, a backlight liquid crystal glass and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between the backlight light source and the liquid crystal display panel between;
    所述显示控制模块,与所述背光液晶玻璃连接,用于接收图像信号,并根据所述图像信号,调节所述背光液晶玻璃中各像素单元对应区域的透光率;The display control module is connected to the backlight liquid crystal glass, and is used to receive image signals, and adjust the light transmittance of the corresponding areas of each pixel unit in the backlight liquid crystal glass according to the image signals;
    所述显示控制模块,还与所述液晶显示面板连接,用于在调节所述背光液晶玻璃中各像素单元对应区域的透光率的同时,根据所述图像信号控制液晶显示面板显示图像。The display control module is also connected to the liquid crystal display panel, and is used to control the liquid crystal display panel to display images according to the image signal while adjusting the light transmittance of the corresponding area of each pixel unit in the backlight liquid crystal glass.
  2. 如权利要求1所述的基于像素控光的电视,其中,所述显示控制模块包括:时序控制T-CON单元和背光驱动单元;The TV based on pixel light control according to claim 1, wherein the display control module comprises: a timing control T-CON unit and a backlight driving unit;
    所述T-CON单元,与所述背光驱动单元连接,用于接收所述图像信号,并根据所述图像信号获得背光控制信号和各像素点的灰度值,以将所述背光控制信号和各像素点的灰度值发送至所述背光驱动单元;The T-CON unit is connected to the backlight driving unit, and is used to receive the image signal, and obtain the backlight control signal and the gray value of each pixel according to the image signal, so as to combine the backlight control signal and Sending the gray value of each pixel to the backlight driving unit;
    所述背光驱动单元,与所述背光液晶玻璃连接,用于根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率。The backlight driving unit is connected to the backlight liquid crystal glass and is used for adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel point.
  3. 如权利要求2所述的基于像素控光的电视,其中,所述显示控制模块还包括:显示驱动单元;3. The TV based on pixel light control of claim 2, wherein the display control module further comprises: a display driving unit;
    所述T-CON单元,与所述显示驱动单元连接,还用于根据所述图像信号,获得显示控制信号、各像素点的灰度值和各像素点的RGB值,并将所述显示控制信号、各像素点的灰度值和各像素点的RGB值发送至所述显示驱动单元;The T-CON unit, connected to the display drive unit, is also used to obtain a display control signal, the gray value of each pixel, and the RGB value of each pixel according to the image signal, and control the display The signal, the gray value of each pixel and the RGB value of each pixel are sent to the display driving unit;
    所述显示驱动单元,与所述液晶显示面板连接,用于根据所述显示控制信号、各像素点的灰度值和各像素点的RGB值,控制所述液晶显示面板显示图像。The display driving unit is connected to the liquid crystal display panel, and is configured to control the liquid crystal display panel to display images according to the display control signal, the gray value of each pixel and the RGB value of each pixel.
  4. 如权利要求1-3任一项所述的基于像素控光的电视,其中,所述电视还包括:The TV based on pixel light control according to any one of claims 1 to 3, wherein the TV further comprises:
    信号处理模块,与所述显示控制模块连接,用于输出图像信号至所述显示控制模块。The signal processing module is connected to the display control module and is used to output image signals to the display control module.
  5. 一种像素控光方法,其中,所述电视包括信号处理模块、显示控制模块、背光液晶玻璃和液晶显示面板,其中所述背光液晶玻璃设置在背光光源与液晶显示面板之间,所述方法应用于所述显示控制模块,包括:A pixel light control method, wherein the television includes a signal processing module, a display control module, a backlight liquid crystal glass and a liquid crystal display panel, wherein the backlight liquid crystal glass is arranged between the backlight light source and the liquid crystal display panel, and the method is applied The display control module includes:
    接收信号处理模块发送的图像信号;Receive the image signal sent by the signal processing module;
    根据所述图像信号,调节所述背光液晶玻璃的各像素单元对应区域的透光率,同时根据所述图像信号控制所述液晶显示面板显示图像。According to the image signal, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted, and at the same time, the liquid crystal display panel is controlled to display an image according to the image signal.
  6. 如权利要求5所述的像素控光方法,其中,所述根据所述图像信号,调节所述背光液晶玻璃的各像素单元对应区域的透光率的步骤包括:7. The pixel light control method of claim 5, wherein the step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the image signal comprises:
    根据所述图像信号,获得背光控制信号和各像素点的灰度值;Obtaining the backlight control signal and the gray value of each pixel according to the image signal;
    根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率。According to the backlight control signal and the gray value of each pixel point, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted.
  7. 如权利要求6所述的像素控光方法,其中,所述根据所述背光控制信号和各像素点的灰度值,调节所述背光液晶玻璃的各像素单元对应区域的透光率的步骤包括:7. The pixel light control method of claim 6, wherein the step of adjusting the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass according to the backlight control signal and the gray value of each pixel point comprises :
    根据电视预设显示屏位数和各像素点的灰度值,获得背光液晶玻璃中各像素单元对应的偏转电压;Obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the preset number of display screen bits and the gray value of each pixel;
    根据所述背光控制信号和背光液晶玻璃中各像素单元对应的偏转电压,调节所述背光液晶玻璃的各像素单元对应区域的透光率。According to the backlight control signal and the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass, the light transmittance of the corresponding area of each pixel unit of the backlight liquid crystal glass is adjusted.
  8. 如权利要求7所述的像素控光方法,其中,所述根据电视预设显示屏位数和各像素点的灰度值,获得背光液晶玻璃中各像素单元对应的偏转电压的步骤包括:8. The pixel light control method according to claim 7, wherein the step of obtaining the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass according to the preset number of display screen bits of the TV and the gray value of each pixel point comprises:
    将电视预设显示屏位数和各像素点的灰度值输入至预设的偏转电压计算 公式
    Figure PCTCN2020097432-appb-100001
    中,其中n为电视预设显示屏位数,L为像素点的灰度值,U 0为预设的最小灰度值对应的偏转电压,U max为预设的最大灰度值对应的偏转电压,获得背光液晶玻璃中各像素单元对应的偏转电压。
    Input the preset number of screen digits and the gray value of each pixel into the preset deflection voltage calculation formula
    Figure PCTCN2020097432-appb-100001
    Where n is the preset number of screen digits of the TV, L is the gray value of the pixel, U 0 is the deflection voltage corresponding to the preset minimum gray value, and U max is the deflection corresponding to the preset maximum gray value Voltage to obtain the deflection voltage corresponding to each pixel unit in the backlight liquid crystal glass.
  9. 如权利要求5至8任一项所述的像素控光方法,其中,所述根据所述图像信号控制所述液晶显示面板显示图像的步骤包括:8. The pixel light control method according to any one of claims 5 to 8, wherein the step of controlling the liquid crystal display panel to display an image according to the image signal comprises:
    根据所述图像信号,获得显示控制信号、各像素点的灰度值和各像素点的RGB值;Obtaining the display control signal, the gray value of each pixel and the RGB value of each pixel according to the image signal;
    根据所述显示控制信号、各像素点的灰度值和各像素点的RGB值,控制所述液晶显示面板显示图像。According to the display control signal, the gray value of each pixel and the RGB value of each pixel, the liquid crystal display panel is controlled to display an image.
  10. 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求5至9中任一项所述的像素控光方法的步骤。A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the pixel light control method according to any one of claims 5 to 9 is realized A step of.
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