WO2019227772A1 - 液晶显示面板的白平衡方法及装置 - Google Patents

液晶显示面板的白平衡方法及装置 Download PDF

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Publication number
WO2019227772A1
WO2019227772A1 PCT/CN2018/105696 CN2018105696W WO2019227772A1 WO 2019227772 A1 WO2019227772 A1 WO 2019227772A1 CN 2018105696 W CN2018105696 W CN 2018105696W WO 2019227772 A1 WO2019227772 A1 WO 2019227772A1
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Prior art keywords
white balance
mask
liquid crystal
crystal display
display panel
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Ceased
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PCT/CN2018/105696
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English (en)
French (fr)
Inventor
肖光星
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US16/097,280 priority Critical patent/US11056066B2/en
Publication of WO2019227772A1 publication Critical patent/WO2019227772A1/zh
Anticipated expiration legal-status Critical
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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
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature

Definitions

  • the present invention relates to the field of display technology, and in particular, to a white balance method and device for a liquid crystal display panel.
  • liquid crystal displays Liquid Crystal Display, LCD
  • LCD liquid crystal Display
  • other flat display devices have been widely used in mobile phones, TVs, personal computers due to their advantages such as high picture quality, power saving, thin body and wide application range.
  • Various consumer electronics products such as digital assistants, digital cameras, notebook computers, and desktop computers, have become mainstream in display devices.
  • liquid crystal display devices on the existing market are backlit liquid crystal displays, which include a liquid crystal display panel and a backlight module.
  • the working principle of a liquid crystal display panel is to place liquid crystal molecules in two parallel glass substrates. There are many small vertical and horizontal wires in the middle of the two glass substrates. The liquid crystal molecules are controlled to change direction by turning on or off, and the light of the backlight module is changed. Refracted to produce a picture.
  • the displayed white field color coordinates are different to different degrees.
  • the difference in the color coordinates of the white field of the liquid crystal display device if the corresponding white balance is not adjusted, the color display effect between different liquid crystal display panels will be greatly different. Therefore, white balance tracking correction is usually performed in the production process of liquid crystal display panels, so that the colors displayed by each liquid crystal display panel tend to be uniform.
  • a white balance process of an existing liquid crystal display panel includes: obtaining a white balance data table of the liquid crystal display panel, and performing white balance on the liquid crystal display panel through the white balance data table.
  • the 8K liquid crystal display panel has an ultra high-definition 8K resolution (7680 ⁇ 4320), which is larger than the 1920 ⁇ 1080 resolution of ordinary 2K liquid crystal display panels. 16 times, the clarity will be 16 times that of the Blu-ray version. Due to the ultra-high-definition resolution, we will bring us an immersive experience when watching images. You can clearly see every detail of the picture, just like it appears alive in front of you.
  • the existing 8K liquid crystal display panel includes a mask splicing area and a non-mask splicing area located on both sides of the mask splicing area.
  • the color resistance size of each sub-pixel in the mask splicing area will be smaller than the color resistance size of each sub-pixel in the non-mask splicing area.
  • the light transmitted by the two is not the same.
  • An object of the present invention is to provide a white balance method for a liquid crystal display panel, which can improve the white balance effect and improve the display effect of a liquid crystal display panel, especially an 8K liquid crystal display panel.
  • the object of the present invention is also to provide a white balance device for a liquid crystal display panel, which can improve the white balance effect and improve the display effect of a liquid crystal display panel, especially an 8K liquid crystal display panel.
  • the present invention provides a white balance method for a liquid crystal display panel, including the following steps:
  • Step S1 A liquid crystal display panel is provided.
  • the liquid crystal display panel includes a mask splicing area and a non-mask splicing area located outside the mask splicing area.
  • the mask splicing area includes a plurality of first color resists arranged in an array, the non-mask splicing area includes a plurality of second color resists arranged in an array, and the sizes of the first color resist and the second color resist different;
  • Step S2 Obtain a first white balance driving table corresponding to the mask stitching area and a second white balance driving table for the non-mask stitching area;
  • Step S3 Perform white balance processing on the mask splicing area and the non-mask splicing area by using the first white balance driving table and the second white balance driving table, respectively.
  • the step S2 specifically includes:
  • a first white balance driving table corresponding to the mask stitching area and a second white balance driving table corresponding to the mask-free stitching area are obtained.
  • the step S2 specifically includes:
  • the step S3 specifically includes: dividing the mask splicing area into a plurality of first sub-areas, setting weights for the plurality of first sub-areas, respectively, and comparing the corresponding weights with the first white balance driving table pair. Each first sub-region is subjected to white balance processing;
  • the liquid crystal display panel is an 8k liquid crystal display panel.
  • the invention also provides a white balance device of a liquid crystal display panel, which is used for performing white balance processing on the liquid crystal display panel.
  • the white balance device of the liquid crystal display panel includes: an obtaining unit and a processing unit connected to the obtaining unit;
  • the liquid crystal display panel includes a mask splicing region and a non-mask splicing region located outside the mask splicing region;
  • the mask splicing region includes a plurality of first color resists arranged in an array, and the non-mask splicing
  • the area includes a plurality of second color resistors arranged in an array, and the sizes of the first color resistor and the second color resistor are different;
  • the acquiring unit is configured to acquire a first white balance driving table corresponding to the mask stitching area and a second white balance driving table that is not mask stitching area;
  • the processing unit is configured to use the first white balance driving table and the second white balance driving table to perform white balance processing on the mask splicing area and the non-mask splicing area.
  • the white balance device of the liquid crystal display panel further includes a storage unit, and a first white balance driving table and a second white balance driving table are pre-stored in the storage unit;
  • the obtaining unit obtains, from the storage unit, a first white balance driving table corresponding to the mask splicing area and a second white balance driving table that is not a mask splicing area according to a preset correspondence relationship.
  • the white balance device of the liquid crystal display panel further includes a storage unit, and a white balance driving base table and a first scaling factor and a second scaling factor are pre-stored in the storage unit;
  • the obtaining unit scales the white balance driving base table according to the first scaling coefficient and the second scaling coefficient in the storage unit, and obtains a first white balance driving table and a non-mask stitching area corresponding to the mask stitching area. Second white balance drive table.
  • the processing unit is further configured to divide the mask splicing area into a plurality of first sub-areas, set weights for the plurality of first sub-areas, respectively, and compare the corresponding weights with the first white balance driving table pair.
  • Each first sub-area is subjected to white balance processing, and the non-mask stitching area is divided into a plurality of second sub-areas, and a weight is set for each of the second plurality of sub-areas, according to the corresponding weight and the second
  • the white balance driving table performs white balance processing on each second sub-region.
  • the liquid crystal display panel is an 8k liquid crystal display panel.
  • the present invention provides a white balance method for a liquid crystal display panel, including the following steps: Step S1, providing a liquid crystal display panel, the liquid crystal display panel including a mask splicing area and being located in the mask splicing area Other non-mask splicing areas; the mask splicing area includes a plurality of first color resists arranged in an array, and the non-mask splicing area includes a plurality of second color resists arranged in an array, the first color The size of the resistance is different from that of the second color resistance; step S2, obtaining a first white balance driving table corresponding to the mask stitching area and a second white balance driving table of the non-mask stitching area; step S3, using the first white balance The driving table and the second white balance driving table perform white balance processing on the mask stitching area and the non-mask stitching area.
  • the invention also provides a white balance device for a liquid crystal display panel, which can improve the white balance effect and improve the display effect of the liquid crystal display panel.
  • FIG. 1 is a flowchart of a white balance method of a liquid crystal display panel of the present invention.
  • FIG. 2 is a top structural view of a liquid crystal display panel in a white balance method of a liquid crystal display panel of the present invention
  • FIG. 3 is a schematic diagram of a sub-pixel in a liquid crystal display panel in a white balance method of a liquid crystal display panel of the present invention
  • FIG. 4 is a structural diagram of a white balance device of a liquid crystal display panel of the present invention.
  • the present invention provides a white balance method for a liquid crystal display panel, including the following steps:
  • Step S1 please refer to FIG. 2, a liquid crystal display panel 100 is provided.
  • the liquid crystal display panel 100 includes a mask splicing region 10 and a non-mask splicing region 20 located outside the mask splicing region 10.
  • the non-photomask stitching area 20 includes a first non-mask stitching area 21 and a second Non-mask splicing area 22.
  • the mask stitching area 10 includes a plurality of first sub-pixels 30 arranged in an array
  • the non-mask stitching area 20 includes a plurality of second sub-pixels 40 arranged in an array.
  • the first sub-pixel 30 includes a first color resistor 31
  • the second sub-pixel 40 includes a second color resistor 41, and the sizes of the first color resistor 31 and the second color resistor 41 are different.
  • the liquid crystal display panel 100 specifically includes: an array substrate 101, a color filter substrate 102 disposed opposite to the array substrate 101, and a color filter disposed on the color filter.
  • the liquid crystal layer 103 between the substrate 102 and the array substrate 101.
  • the first color resistor 31 and the second color resistor 41 are both disposed on the color filter substrate 102.
  • Two adjacent first color resistors 31 and adjacent A black matrix 50 is provided between the two second color resistors 41 and adjacent first and second color resistors 31 and 41.
  • the color film substrate 102 is further provided with a common electrode and an alignment film (not shown), and a thin film transistor array, a pixel electrode, and an alignment film (not shown) are formed on the array substrate 101 to constitute a liquid crystal display panel. Desired structure.
  • the first color resistor 31 and the second color resistor 41 may also be formed on an array substrate, that is, an array color filter integrated technology (COA) is used. Does not affect the implementation of the invention.
  • COA array color filter integrated technology
  • the first color resist 31 and the second color resist 41 each include a red color resist R, a green color resist G, and a blue color resist B to pass the red color resist R, the green color resist G, and the blue color resist. B works together to achieve color display.
  • the present invention is not limited to this. In other embodiments of the present invention, the color resistance of other colors such as yellow color resistance and white color resistance may be further included.
  • the difference in the sizes of the first and second color resistors 31 and 41 is mainly reflected in the different widths of the first and second color resistors 31 and 41 in the horizontal direction.
  • the liquid crystal display panel 100 is an 8K liquid crystal display panel with a resolution of 7680 ⁇ 4320.
  • the white balance processing is performed by using different white balance driving tables for the mask stitching area and the non-mask stitching area in the 8K liquid crystal display panel. , Can improve the white balance effect of 8K liquid crystal display panel, reduce the color shift of the mask splicing area, and improve the display effect.
  • Step S2 Obtain a first white balance driving table corresponding to the mask splicing area 10 and a second white balance driving table corresponding to the non-mask splicing area 20.
  • the first white balance driving table and the second white balance driving table have different white balance driving values.
  • the first white balance driving table The white balance driving value of the table corresponds to a smaller white balance driving value of the second white balance driving table.
  • the white balance of the first white balance driving table is The driving value corresponds to a white balance driving value greater than the second white balance driving table. That is, the larger the color resistance width, the smaller the white balance driving value in the corresponding white balance driving table.
  • the step S2 specifically includes:
  • a first white balance driving table corresponding to the mask stitching area 10 and a second white balance driving table for the non-mask stitching area 20 are obtained.
  • the step S2 specifically includes:
  • the first scaling factor is smaller than the second scaling factor
  • the width of the first color resist 31 is smaller than the width of the second color resist 41
  • the The first scaling factor is greater than the second scaling factor
  • the pre-stored white balance drive base table and the first zoom factor and the second zoom factor are used to replace the pre-stored first white balance drive table and the second white balance drive table, which can reduce the amount of data. , Reduce the occupation of data storage space and data storage costs.
  • Step S3 Perform white balance processing on the mask splicing area 10 and the non-mask splicing area 20 by using the first white balance driving table and the second white balance driving table, respectively.
  • the step S3 specifically includes: dividing the mask splicing region 10 into a plurality of first sub-regions 110, and setting weights for the plurality of first sub-regions 110, respectively. Performing white balance processing on each first sub-region 110 according to the corresponding weight and the first white balance driving table;
  • each of the first sub-pixels 30 in the mask splicing area 10 is connected to a source driving chip (Source IC) for providing a data signal to the liquid crystal display panel through a data line, and is located at a different position.
  • Source IC source driving chip
  • the length of the data line between the first sub-pixel 30 and the source driving chip in one sub-region 110 is different.
  • the sub-regions 210 are each subjected to white balance processing.
  • each second sub-pixel 40 in the mask splicing area 20 is also connected to a source driving chip (Source IC) for providing a data signal to the liquid crystal display panel through a data line.
  • Source IC source driving chip
  • the lengths of the data lines between the second sub-pixels 40 and the source driving chip in different second sub-regions 210 are also different.
  • the white balance effect can be further improved.
  • the present invention also provides a white balance device of a liquid crystal display panel for performing white balance processing on the liquid crystal display panel 100.
  • the white balance device of the liquid crystal display panel includes: an obtaining unit 1 and the obtaining unit 1 Processing unit 2 to which unit 1 is connected;
  • the liquid crystal display panel 100 includes a mask stitching area 10 and a non-mask stitching area 20 located outside the mask stitching area 10; the mask stitching area 10 includes a plurality of first sub-pixels 30 arranged in an array, The non-mask masking area 20 includes a plurality of second sub-pixels 40 arranged in an array.
  • the first sub-pixel 30 includes a first color resist 31.
  • the second sub-pixel 40 includes a second color resist 41. The sizes of the first color resistor 31 and the second color resistor 41 are different;
  • the obtaining unit 1 is configured to obtain a first white balance driving table corresponding to the mask stitching area 10 and a second white balance driving table for the non-mask stitching area 20;
  • the processing unit 2 is configured to perform white balance processing on the mask stitching area 10 and the non-mask stitching area 20 by using a first white balance driving table and a second white balance driving table, respectively.
  • the liquid crystal display panel 100 specifically includes an array substrate 101, a color filter substrate 102 disposed opposite to the array substrate 101, and a color filter disposed on the color filter.
  • the liquid crystal layer 103 between the substrate 102 and the array substrate 101.
  • the first color resistor 31 and the second color resistor 41 are both disposed on the color filter substrate 102.
  • Two adjacent first color resistors 31 and adjacent A black matrix 50 is provided between the two second color resistors 41 and adjacent first and second color resistors 31 and 41.
  • the color film substrate 102 is further provided with a common electrode and an alignment film (not shown), and a thin film transistor array, a pixel electrode, and an alignment film (not shown) are formed on the array substrate 101 to constitute a liquid crystal display panel. Desired structure.
  • the first color resistor 31 and the second color resistor 32 may also be formed on an array substrate, that is, an array color filter integrated technology (COA) is used. Does not affect the implementation of the invention.
  • COA array color filter integrated technology
  • the first color resist 31 and the second color resist 41 each include a red color resist R, a green color resist G, and a blue color resist B to pass the red color resist R, the green color resist G, and the blue color resist. B works together to achieve color display.
  • the present invention is not limited to this. In other embodiments of the present invention, the color resistance of other colors such as yellow color resistance and white color resistance may be further included.
  • the difference in the sizes of the first and second color resistors 31 and 41 is mainly reflected in the different widths of the first and second color resistors 31 and 41 in the horizontal direction.
  • the liquid crystal display panel 100 is an 8K liquid crystal display panel with a resolution of 7680 ⁇ 4320.
  • the white balance processing is performed by using different white balance driving tables for the mask stitching area and the non-mask stitching area in the 8K liquid crystal display panel. , Can improve the white balance effect of 8K liquid crystal display panel, reduce the color shift of the mask splicing area, and improve the display effect.
  • the first white balance driving table and the second white balance driving table have different white balance driving values.
  • the first white balance driving table has a different white balance driving value.
  • the white balance driving value of the driving meter is correspondingly smaller than the white balance driving value of the second white balance driving meter.
  • the white The balance drive value corresponds to a white balance drive value that is greater than the second white balance drive table. That is, the larger the color resistance width, the smaller the white balance driving value in the corresponding white balance driving table.
  • the white balance device of the liquid crystal display panel further includes a storage unit 3, and the storage unit 3 pre-stores a first white balance driving table and a second white balance driving table;
  • the obtaining unit 2 obtains a first white balance driving table corresponding to the mask splicing area 10 and a second white balance driving corresponding to the non-mask splicing area 20 from the storage unit 3 according to a preset correspondence relationship. table.
  • the white balance device of the liquid crystal display panel further includes a storage unit 3, and the storage unit 3 pre-stores a white balance driving base table and a first zoom factor and a second zoom. coefficient;
  • the obtaining unit 1 scales the white balance driving base table according to the first scaling coefficient and the second scaling coefficient in the storage unit 3, and obtains a first white balance driving table corresponding to the mask stitching area 10 and a corresponding mapping table.
  • the second white balance driving meter of the non-mask splicing area 20 is described.
  • the first scaling factor is smaller than the second scaling factor
  • the width of the first color resist 31 is smaller than the width of the second color resist 41
  • the The first scaling factor is greater than the second scaling factor
  • the pre-stored white balance drive base table and the first zoom factor and the second zoom factor are used to replace the pre-stored first white balance drive table and the second white balance drive table, which can reduce the amount of data , Reduce the occupation of data storage space and data storage costs.
  • the process of performing white balance processing by the processing unit specifically includes: dividing the mask splicing region 10 into a plurality of first sub-regions 110, which are the plurality of first sub-regions.
  • the regions 110 are respectively set with weights, and white balance processing is performed on each first sub-region 110 according to the corresponding weights and the first white balance driving table;
  • each of the first sub-pixels 30 in the mask splicing area 10 is connected to a source driving chip (Source IC) for providing a data signal to the liquid crystal display panel through a data line, and is located at a different position.
  • Source IC source driving chip
  • the length of the data line between the first sub-pixel 30 and the source driving chip in one sub-region 110 is different.
  • the sub-regions 210 are each subjected to white balance processing. Further, the second sub-region 210 is divided according to a distance from a source driver of the liquid crystal display panel.
  • each second sub-pixel 40 in the mask splicing area 20 is also connected to a source driving chip (Source IC) for providing a data signal to the liquid crystal display panel through a data line.
  • Source IC source driving chip
  • the lengths of the data lines between the second sub-pixels 40 and the source driving chip in different second sub-regions 210 are also different.
  • the white balance effect can be further improved.
  • the present invention provides a white balance method for a liquid crystal display panel, including the following steps: Step S1, providing a liquid crystal display panel, the liquid crystal display panel includes a mask splicing area and is located outside the mask splicing area Non-mask stitching area; the mask stitching area includes a plurality of first color resistors arranged in an array, the non-mask stitching area includes a plurality of second color resistors arranged in an array, and the first color resistor The size is different from the second color resistance; step S2, obtaining a first white balance driving table corresponding to the mask stitching area and a second white balance driving table corresponding to the non-mask stitching area; step S3, using the first white balance drive The table and the second white balance driving table perform white balance processing on the mask stitching area and the non-mask stitching area.
  • the invention also provides a white balance device for a liquid crystal display panel, which can improve the white balance effect and improve the display effect of the liquid crystal display panel.

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Abstract

一种液晶显示面板的白平衡方法及装置。液晶显示面板100的白平衡方法包括如下步骤：S1提供一液晶显示面板100，液晶显示面板100包括光罩拼接区域10以及位于光罩拼接区域以外的非光罩拼接区域20；光罩拼接区域10包括阵列排布的多个第一色阻31，非光罩拼接区域20包括阵列排布的多个第二色阻41，第一色阻31和第二色阻41的尺寸不同；S2获取第一白平衡驱动表和第二白平衡驱动表；S3采用第一白平衡驱动表和第二白平衡驱动表对光罩拼接区域10以及非光罩拼接区域20进行白平衡处理，通过采用不同的白平衡驱动表对光罩拼接区域10以及非光罩拼接区域20进行白平衡处理，能够提升白平衡效果，改善液晶显示面板100的显示效果。

Description

液晶显示面板的白平衡方法及装置 技术领域
本发明涉及显示技术领域，尤其涉及一种液晶显示面板的白平衡方法及装置。
背景技术
随着显示技术的发展，液晶显示器(Liquid Crystal Display，LCD)等平面显示装置因具有高画质、省电、机身薄及应用范围广等优点，而被广泛的应用于手机、电视、个人数字助理、数字相机、笔记本电脑、台式计算机等各种消费性电子产品，成为显示装置中的主流。
现有市场上的液晶显示装置大部分为背光型液晶显示器，其包括液晶显示面板及背光模组(backlight module)。液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液晶分子，两片玻璃基板中间有许多垂直和水平的细小电线，通过通电与否来控制液晶分子改变方向，将背光模组的光线折射出来产生画面。
现有的液晶显示面板，由于液晶显示面板的驱动与特性等因素，所显示出来的白场色坐标都存在不同程度的差异。对于液晶显示装置的白场色坐标差异，如不进行相应的白平衡调整，则不同液晶显示面板之间的色彩显示效果就会具有较大的区别。因此在液晶显示面板的生产过程中通常会进行白平衡追踪校正，以使每台液晶显示面板显示的颜色趋于一致。
现有的液晶显示面板的白平衡过程包括：获取液晶显示面板的白平衡数据表，并通过所述白平衡数据表对所述液晶显示面板进行白平衡。然而随着显示技术的不断发展，液晶显示面板分辨率越来越高，8K液晶显示面板具有超高清的8K分辨率(7680×4320)，比普通2K液晶显示面板的1920×1080分辨率大了16倍，清晰度将是蓝光版的16倍。由于超高清的分辨率，在观看影像的时候会带给我们身临其境的感观享受，画面每一个细节你都可以看得很清楚，就像在你面前活生生的出现一样。即便走的很近，依然看不到面板上的任何像素。现有的8k液晶显示面板的制作过程中，需要用到光罩拼接工艺，现有的8K液晶显示面板包括：光罩拼接区及位于光罩拼接区两侧的非光罩拼接区，其中在光罩拼接区中的各个子像素的色阻尺寸会小于非光罩拼接区中的各个子像素的色阻尺寸，在相同灰度下，两者透光的光线也不相同，现有技术在进行白平衡时，并未区别光罩拼接区 和非光罩拼接区，白平衡效果不佳。
发明内容
本发明的目的在于提供一种液晶显示面板的白平衡方法，能够提升白平衡效果，改善液晶显示面板尤其8K液晶显示面板的显示效果。
本发明的目的还在于提供一种液晶显示面板的白平衡装置，能够提升白平衡效果，改善液晶显示面板尤其8K液晶显示面板的显示效果。
为实现上述目的，本发明提供一种液晶显示面板的白平衡方法，包括如下步骤：
步骤S1、提供一液晶显示面板，所述液晶显示面板包括光罩拼接区域以及位于所述光罩拼接区域以外的非光罩拼接区域；
所述光罩拼接区域包括阵列排布的多个第一色阻，所述非光罩拼接区域包括阵列排布的多个第二色阻，所述第一色阻和第二色阻的尺寸不同；
步骤S2、获取对应所述光罩拼接区域的第一白平衡驱动表和非光罩拼接区域的第二白平衡驱动表；
步骤S3、采用所述第一白平衡驱动表和第二白平衡驱动表分别对光罩拼接区域以及非光罩拼接区域进行白平衡处理。
所述步骤S2具体包括：
预存所述第一白平衡驱动表和第二白平衡驱动表；
根据预设的对应关系，获取对应所述光罩拼接区域的第一白平衡驱动表和对应所述非光罩拼接区域的第二白平衡驱动表。
所述步骤S2具体包括：
预存白平衡驱动基表及第一缩放系数和第二缩放系数；
根据所述第一缩放系数和第二缩放系数对所述白平衡驱动基表进行缩放，获取对应所述光罩拼接区域的第一白平衡驱动表和对应所述非光罩拼接区域的第二白平衡驱动表。
所述步骤S3具体包括：将所述光罩拼接区域划分多个第一子区域，为所述多个第一子区域分别设定权重，根据所述对应的权重及第一白平衡驱动表对各个第一子区域分别进行白平衡处理；。
将所述非光罩拼接区域划分多个第二子区域，为所述第二多个子区域分别设定权重，根据所述对应的权重及第二白平衡驱动表对各个第二子区域分别进行白平衡处理。
所述液晶显示面板为8k液晶显示面板。
本发明还提供一种液晶显示面板的白平衡装置，用于对液晶显示面板进行白平衡处理，所述液晶显示面板的白平衡装置包括：获取单元及与所述获取单元相连的处理单元；
所述液晶显示面板包括光罩拼接区域以及位于所述光罩拼接区域以外的非光罩拼接区域；所述光罩拼接区域包括阵列排布的多个第一色阻，所述非光罩拼接区域包括阵列排布的多个第二色阻，所述第一色阻和第二色阻的尺寸不同；
所述获取单元用于获取对应所述光罩拼接区域的第一白平衡驱动表和非光罩拼接区域的第二白平衡驱动表；
所述处理单元用于采用第一白平衡驱动表和第二白平衡驱动表对光罩拼接区域以及非光罩拼接区域进行白平衡处理。
所述液晶显示面板的白平衡装置还包括存储单元，所述存储单元中预存第一白平衡驱动表和第二白平衡驱动表；
所述获取单元根据预设的对应关系，从所述存储单元获取对应所述光罩拼接区域的第一白平衡驱动表和非光罩拼接区域的第二白平衡驱动表。
所述液晶显示面板的白平衡装置还包括存储单元，所述存储单元中预存白平衡驱动基表及第一缩放系数和第二缩放系数；
所述获取单元根据存储单元中的第一缩放系数和第二缩放系数对所述白平衡驱动基表进行缩放，获取对应所述光罩拼接区域的第一白平衡驱动表和非光罩拼接区域的第二白平衡驱动表。
所述处理单元还用于将所述光罩拼接区域划分多个第一子区域，为所述多个第一子区域分别设定权重，根据所述对应的权重及第一白平衡驱动表对各个第一子区域分别进行白平衡处理，以及将所述非光罩拼接区域划分多个第二子区域，为所述第二多个子区域分别设定权重，根据所述对应的权重及第二白平衡驱动表对各个第二子区域分别进行白平衡处理。
所述液晶显示面板为8k液晶显示面板。
本发明的有益效果：本发明提供一种液晶显示面板的白平衡方法，包括如下步骤：步骤S1、提供一液晶显示面板，所述液晶显示面板包括光罩拼接区域以及位于所述光罩拼接区域以外的非光罩拼接区域；所述光罩拼接区域包括阵列排布的多个第一色阻，所述非光罩拼接区域包括阵列排布的多个第二色阻，所述第一色阻和第二色阻的尺寸不同；步骤S2、获取对应所述光罩拼接区域的第一白平衡驱动表和非光罩拼接区域的第二白平衡驱动表；步骤S3、采用第一白平衡驱动表和第二白平衡驱动表对光罩拼接区域以及非光罩拼接区域进行白平衡处理，通过采用不同的白平衡驱动表 对光罩拼接区域以及非光罩拼接区域进行白平衡处理，能够提升白平衡效果，改善液晶显示面板的显示效果。本发明还提供一种液晶显示面板的白平衡装置，能够提升白平衡效果，改善液晶显示面板的显示效果。
附图说明
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图中，
图1为本发明的液晶显示面板的白平衡方法的流程图
图2为本发明的液晶显示面板的白平衡方法中液晶显示面板的俯视结构图；
图3为本发明的液晶显示面板的白平衡方法中液晶显示面板中子像素的示意图；
图4为本发明的液晶显示面板的白平衡装置的结构图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图1，本发明提供一种液晶显示面板的白平衡方法，包括如下步骤：
步骤S1、请参阅图2，提供一液晶显示面板100，所述液晶显示面板100包括光罩拼接区域10以及位于所述光罩拼接区域10以外的非光罩拼接区域20。
具体地，如图2所示，在本发明的一些实施例中，所述非光罩拼接区域20包括分别位于所述光罩拼接区域10两侧的第一非光罩拼接区域21和第二非光罩拼接区域22。
具体地，请参阅图3，所述光罩拼接区域10包括阵列排布的多个第一子像素30，所述非光罩拼接区域20包括阵列排布的多个第二子像素40，所述第一子像素30包括第一色阻31，所述第二子像素40包括第二色阻41，所述第一色阻31和第二色阻41的尺寸不同。
进一步地，请参阅图3，在本发明的一些实施例中，所述液晶显示面板100具体包括：阵列基板101、与所述阵列基板101相对设置的彩膜基板102以及设于所述彩膜基板102及阵列基板101之间的液晶层103，所述第一色 阻31和第二色阻41均设于所述彩膜基板102上，相邻的两第一色阻31、相邻的两第二色阻41以及相邻的第一色阻31和第二色阻41之间均设有黑色矩阵50。
当然，所述彩膜基板102上还设有公共电极及配向膜(未图示)，所述阵列基板101上形成有薄膜晶体管阵列、像素电极及配向膜(未图示)等构成液晶显示面板所需的结构。
此外，在本发明的其他实施例中，所述第一色阻31和第二色阻41还可以形成于阵列基板上，即采用阵列彩膜集成技术(Color Filter On Array，COA)，这并不会影响本发明的实现。
优选地，所述第一色阻31和第二色阻41均包括红色色阻R、绿色色阻G及蓝色色阻B，以通过所述红色色阻R、绿色色阻G及蓝色色阻B共同作用实现彩色显示。当然本发明不限于此，在本发明的其他实施例中，还可以进一步包括黄色色阻及白色色阻等其他颜色的色阻。
更具体地，所述第一色阻31和第二色阻41的尺寸的不同主要体现在所述第一色阻31和第二色阻41在水平方向上的宽度不同。
具体地，所述液晶显示面板100为分辨率为7680×4320的8K液晶显示面板，通过对8K液晶显示面板中光罩拼接区域和非光罩拼接区域采用不同的白平衡驱动表进行白平衡处理，能够提升8K液晶显示面板的白平衡效果，减少光罩拼接区域的色偏，提升显示效果。
步骤S2、获取对应所述光罩拼接区域10的第一白平衡驱动表和对应所述非光罩拼接区域20的第二白平衡驱动表。
其中，所述第一白平衡驱动表和第二白平衡驱动表中具有不同的白平衡驱动值，当第一色阻31宽度大于第二色阻41的宽度时，所述第一白平衡驱动表的白平衡驱动值对应小于所述第二白平衡驱动表的白平衡驱动值，当第一色阻31宽度小于第二色阻41的宽度时，所述第一白平衡驱动表的白平衡驱动值对应大于所述第二白平衡驱动表的白平衡驱动值。也即色阻宽度越大，对应的白平衡驱动表中的白平衡驱动值越小。
具体地，在本发明的一些实施例中，所述步骤S2具体包括：
预存所述第一白平衡驱动表和第二白平衡驱动表；
根据预设的对应关系，获取对应所述光罩拼接区域10的第一白平衡驱动表和非光罩拼接区域20的第二白平衡驱动表。
具体地，在本发明的另一些实施例中，所述步骤S2具体包括：
预存白平衡驱动基表及第一缩放系数和第二缩放系数；
根据第一缩放系数和第二缩放系数对所述白平衡驱动基表进行缩放， 获取对应所述光罩拼接区域10的第一白平衡驱动表和非光罩拼接区域20的第二白平衡驱动表。
当第一色阻31宽度大于第二色阻41的宽度时，所述第一缩放系数小于所述第二缩放系数，当第一色阻31宽度小于第二色阻41的宽度时，所述第一缩放系数大于所述第二缩放系数。
需要说明的是，在该另一些实施例中，通过预存白平衡驱动基表及第一缩放系数和第二缩放系数取代预存第一白平衡驱动表和第二白平衡驱动表，能够减少数据量，降低对数据存储空间的占用和数据存储成本。
步骤S3、采用第一白平衡驱动表和第二白平衡驱动表分别对所述光罩拼接区域10以及非光罩拼接区域20进行白平衡处理。
具体地，在本发明的一些实施例中，所述步骤S3具体包括：将所述光罩拼接区域10划分多个第一子区域110，为所述多个第一子区域110分别设定权重，根据所述对应的权重及第一白平衡驱动表对各个第一子区域110分别进行白平衡处理；
进一步地，所述光罩拼接区域10中的每一个第一子像素30均通过一数据线连接至用于为液晶显示面板提供数据信号的源极驱动芯片(Source IC)上，位于不同的第一子区域110中的第一子像素30与源极驱动芯片之间的数据线的长度不同。
各个第一子区域110中的第二子像素40与源极驱动芯片之间的数据线的长度越短，则该第一子区域110的权重越小。
将所述非光罩拼接区域划20分多个第二子区域210，为所述第二多个子区域210分别设定权重，根据所述对应的权重及第二白平衡驱动表对各个第二子区域210分别进行白平衡处理。
进一步地，所述光罩拼接区域20中的每一个第二子像素40也均通过一数据线连接至用于为液晶显示面板提供数据信号的源极驱动芯片(Source IC)上，同样的，位于不同的第二子区域210中的第二子像素40与源极驱动芯片之间的数据线的长度也不同。
各个第二子区域210中的第二子像素40与源极驱动芯片之间的数据线的长度越短，则该第二子区域210的权重越小。
通过第一子区域110和第二子区域210的划分，并按照相应权重进行第一子区域110和第二子区域210进行白平衡处理能够进一步提升白平衡效果。
请参阅图4，本发明还提供一种液晶显示面板的白平衡装置，用于对液晶显示面板100进行白平衡处理，所述液晶显示面板的白平衡装置包括： 获取单元1及与所述获取单元1相连的处理单元2；
所述液晶显示面板100包括光罩拼接区域10以及位于所述光罩拼接区域10以外的非光罩拼接区域20；所述光罩拼接区域10包括阵列排布的多个第一子像素30，所述非光罩拼接区域20包括阵列排布的多个第二子像素40，所述第一子像素30包括第一色阻31，所述第二子像素40包括第二色阻41，所述第一色阻31和第二色阻41的尺寸不同；
所述获取单元1用于获取对应所述光罩拼接区域10的第一白平衡驱动表和非光罩拼接区域20的第二白平衡驱动表；
所述处理单元2用于采用第一白平衡驱动表和第二白平衡驱动表分别对所述光罩拼接区域10以及非光罩拼接区域20进行白平衡处理。
具体地，请参阅图3，在本发明的一些实施例中，所述液晶显示面板100具体包括：阵列基板101、与所述阵列基板101相对设置的彩膜基板102以及设于所述彩膜基板102及阵列基板101之间的液晶层103，所述第一色阻31和第二色阻41均设于所述彩膜基板102上，相邻的两第一色阻31、相邻的两第二色阻41以及相邻的第一色阻31和第二色阻41之间均设有黑色矩阵50。
当然，所述彩膜基板102上还设有公共电极及配向膜(未图示)，所述阵列基板101上形成有薄膜晶体管阵列、像素电极及配向膜(未图示)等构成液晶显示面板所需的结构。
此外，在本发明的其他实施例中，所述第一色阻31和第二色阻32还可以形成于阵列基板上，即采用阵列彩膜集成技术(Color Filter On Array，COA)，这并不会影响本发明的实现。
优选地，所述第一色阻31和第二色阻41均包括红色色阻R、绿色色阻G及蓝色色阻B，以通过所述红色色阻R、绿色色阻G及蓝色色阻B共同作用实现彩色显示。当然本发明不限于此，在本发明的其他实施例中，还可以进一步包括黄色色阻及白色色阻等其他颜色的色阻。
更具体地，所述第一色阻31和第二色阻41的尺寸的不同主要体现在所述第一色阻31和第二色阻41在水平方向上的宽度不同。
具体地，所述液晶显示面板100为分辨率为7680×4320的8K液晶显示面板，通过对8K液晶显示面板中光罩拼接区域和非光罩拼接区域采用不同的白平衡驱动表进行白平衡处理，能够提升8K液晶显示面板的白平衡效果，减少光罩拼接区域的色偏，提升显示效果。
具体地，所述第一白平衡驱动表和第二白平衡驱动表中具有不同的白平衡驱动值，当第一色阻31宽度大于第二色阻41的宽度时，所述第一白 平衡驱动表的白平衡驱动值对应小于所述第二白平衡驱动表的白平衡驱动值，当第一色阻31宽度小于第二色阻41的宽度时，所述第一白平衡驱动表的白平衡驱动值对应大于所述第二白平衡驱动表的白平衡驱动值。也即色阻宽度越大，对应的白平衡驱动表中的白平衡驱动值越小。
具体地，在本发明的一些实施例中，所述液晶显示面板的白平衡装置还包括存储单元3，所述存储单元3中预存第一白平衡驱动表和第二白平衡驱动表；
所述获取单元2根据预设的对应关系，从所述存储单元3获取对应所述光罩拼接区域10的第一白平衡驱动表和对应所述非光罩拼接区域20的第二白平衡驱动表。
具体地，在本发明的另一些实施例中，所述的液晶显示面板的白平衡装置还包括存储单元3，所述存储单元3中预存白平衡驱动基表及第一缩放系数和第二缩放系数；
所述获取单元1根据存储单元3中的第一缩放系数和第二缩放系数对所述白平衡驱动基表进行缩放，获取对应所述光罩拼接区域10的第一白平衡驱动表和对应所述非光罩拼接区域20的第二白平衡驱动表。
当第一色阻31宽度大于第二色阻41的宽度时，所述第一缩放系数小于所述第二缩放系数，当第一色阻31宽度小于第二色阻41的宽度时，所述第一缩放系数大于所述第二缩放系数。
需要说明的是，在该另一些实施例中，通过预存白平衡驱动基表及第一缩放系数和第二缩放系数取代预存第一白平衡驱动表和第二白平衡驱动表，能够减少数据量，降低对数据存储空间的占用和数据存储成本。
具体地，在本发明的一些实施例中，所述处理单元进行白平衡处理的过程具体包括：将所述光罩拼接区域10划分多个第一子区域110，为所述多个第一子区域110分别设定权重，根据所述对应的权重及第一白平衡驱动表对各个第一子区域110分别进行白平衡处理；
进一步地，所述光罩拼接区域10中的每一个第一子像素30均通过一数据线连接至用于为液晶显示面板提供数据信号的源极驱动芯片(Source IC)上，位于不同的第一子区域110中的第一子像素30与源极驱动芯片之间的数据线的长度不同。
各个第一子区域110中的第二子像素40与源极驱动芯片之间的数据线的长度越短，则该第一子区域110的权重越小。
将所述非光罩拼接区域划20分多个第二子区域210，为所述第二多个子区域210分别设定权重，根据所述对应的权重及第二白平衡驱动表对各 个第二子区域210分别进行白平衡处理。进一步地，所述第二子区域210按照距离所述液晶显示面板的源极驱动器的距离进行划分。
进一步地，所述光罩拼接区域20中的每一个第二子像素40也均通过一数据线连接至用于为液晶显示面板提供数据信号的源极驱动芯片(Source IC)上，同样的，位于不同的第二子区域210中的第二子像素40与源极驱动芯片之间的数据线的长度也不同。
各个第二子区域210中的第二子像素40与源极驱动芯片之间的数据线的长度越短，则该第二子区域210的权重越小。
通过第一子区域110和第二子区域210的划分，并按照相应权重进行第一子区域110和第二子区域210进行白平衡处理能够进一步提升白平衡效果。
综上所述，本发明提供一种液晶显示面板的白平衡方法，包括如下步骤：步骤S1、提供一液晶显示面板，所述液晶显示面板包括光罩拼接区域以及位于所述光罩拼接区域以外的非光罩拼接区域；所述光罩拼接区域包括阵列排布的多个第一色阻，所述非光罩拼接区域包括阵列排布的多个第二色阻，所述第一色阻和第二色阻的尺寸不同；步骤S2、获取对应所述光罩拼接区域的第一白平衡驱动表和非光罩拼接区域的第二白平衡驱动表；步骤S3、采用第一白平衡驱动表和第二白平衡驱动表对光罩拼接区域以及非光罩拼接区域进行白平衡处理，通过采用不同的白平衡驱动表对光罩拼接区域以及非光罩拼接区域进行白平衡处理，能够提升白平衡效果，改善液晶显示面板的显示效果。本发明还提供一种液晶显示面板的白平衡装置，能够提升白平衡效果，改善液晶显示面板的显示效果。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (10)

  1. 一种液晶显示面板的白平衡方法，包括如下步骤：
    步骤S1、提供一液晶显示面板，所述液晶显示面板包括光罩拼接区域以及位于所述光罩拼接区域以外的非光罩拼接区域；
    所述光罩拼接区域包括阵列排布的多个第一色阻，所述非光罩拼接区域包括阵列排布的多个第二色阻，所述第一色阻和第二色阻的尺寸不同；
    步骤S2、获取对应所述光罩拼接区域的第一白平衡驱动表和对应所述非光罩拼接区域的第二白平衡驱动表；
    步骤S3、采用所述第一白平衡驱动表和第二白平衡驱动表分别对所述光罩拼接区域以及非光罩拼接区域进行白平衡处理。
  2. 如权利要求1所述的液晶显示面板的白平衡方法，其中，所述步骤S2具体包括：
    预存所述第一白平衡驱动表和第二白平衡驱动表；
    根据预设的对应关系，获取对应所述光罩拼接区域的第一白平衡驱动表和对应所述非光罩拼接区域的第二白平衡驱动表。
  3. 如权利要求1所述的液晶显示面板的白平衡方法，其中，所述步骤S2具体包括：
    预存白平衡驱动基表及第一缩放系数和第二缩放系数；
    根据所述第一缩放系数和第二缩放系数对所述白平衡驱动基表进行缩放，获取对应所述光罩拼接区域的第一白平衡驱动表和对应所述非光罩拼接区域的第二白平衡驱动表。
  4. 如权利要求1所述的液晶显示面板的白平衡方法，其中，所述步骤S3具体包括：将所述光罩拼接区域划分多个第一子区域，为所述多个第一子区域分别设定权重，根据所述对应的权重及第一白平衡驱动表对各个第一子区域分别进行白平衡处理；
    将所述非光罩拼接区域划分多个第二子区域，为所述第二多个子区域分别设定权重，根据所述对应的权重及第二白平衡驱动表对各个第二子区域分别进行白平衡处理。
  5. 如权利要求1所述的液晶显示面板的白平衡方法，其中，所述液晶显示面板为8k液晶显示面板。
  6. 一种液晶显示面板的白平衡装置，用于对液晶显示面板进行白平衡处理，所述液晶显示面板的白平衡装置包括：获取单元及与所述获取单元 相连的处理单元；
    所述液晶显示面板包括光罩拼接区域以及位于所述光罩拼接区域以外的非光罩拼接区域；所述光罩拼接区域包括阵列排布的多个第一子像素，所述非光罩拼接区域包括阵列排布的多个第二子像素，所述第一子像素包括第一色阻，所述第二子像素包括第二色阻，所述第一色阻和第二色阻的尺寸不同；
    所述获取单元用于获取对应所述光罩拼接区域的第一白平衡驱动表和非光罩拼接区域的第二白平衡驱动表；
    所述处理单元用于采用第一白平衡驱动表和第二白平衡驱动表分别对所述光罩拼接区域以及非光罩拼接区域进行白平衡处理。
  7. 如权利要求6所述的液晶显示面板的白平衡装置，还包括存储单元，所述存储单元中预存第一白平衡驱动表和第二白平衡驱动表；
    所述获取单元根据预设的对应关系，从所述存储单元获取对应所述光罩拼接区域的第一白平衡驱动表和对应所述非光罩拼接区域的第二白平衡驱动表。
  8. 如权利要求6所述的液晶显示面板的白平衡装置，还包括存储单元，所述存储单元中预存白平衡驱动基表及第一缩放系数和第二缩放系数；
    所述获取单元根据存储单元中的第一缩放系数和第二缩放系数对所述白平衡驱动基表进行缩放，获取对应所述光罩拼接区域的第一白平衡驱动表和对应所述非光罩拼接区域的第二白平衡驱动表。
  9. 如权利要求6所述的液晶显示面板的白平衡装置，其中，所述处理单元还用于将所述光罩拼接区域划分多个第一子区域，为所述多个第一子区域分别设定权重，根据所述对应的权重及第一白平衡驱动表对各个第一子区域分别进行白平衡处理，以及将所述非光罩拼接区域划分多个第二子区域，为所述第二多个子区域分别设定权重，根据所述对应的权重及第二白平衡驱动表对各个第二子区域分别进行白平衡处理。
  10. 如权利要求6所述的液晶显示面板的白平衡装置，其中，所述液晶显示面板为8k液晶显示面板。
PCT/CN2018/105696 2018-05-29 2018-09-14 液晶显示面板的白平衡方法及装置 Ceased WO2019227772A1 (zh)

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