CN109471288B - Display panel and method for manufacturing liquid crystal display panel - Google Patents
Display panel and method for manufacturing liquid crystal display panel Download PDFInfo
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- CN109471288B CN109471288B CN201810706280.6A CN201810706280A CN109471288B CN 109471288 B CN109471288 B CN 109471288B CN 201810706280 A CN201810706280 A CN 201810706280A CN 109471288 B CN109471288 B CN 109471288B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—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
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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Abstract
The invention relates to a display panel and a manufacturing method of a liquid crystal display panel, which are applied to a display system with a half-source driving module and provide pixel units in a first pixel column and a second pixel column with different light transmittance ratios, so that the first pixel column and the second pixel column have the same brightness when receiving different time-sharing parts of the same driving signal. Therefore, under the driving of the actual driving signal, the display brightness difference between the first pixel row and the second pixel row is eliminated, so that the vertical bright and dark lines are eliminated, and the display quality of the display is improved.
Description
Technical Field
The present invention relates to the field of liquid crystal display technologies, and in particular, to a display panel and a method for manufacturing a liquid crystal display panel.
Background
With the spread of Half source Driving (Half source Driving) display technology, more and more liquid crystal display panels are used. Compared with the traditional display, the Half source Driving display can more effectively control the production cost of the display panel due to the fact that the number of source (source) Driving ICs is saved. The amount of source Driving ICs is saved in the Half source Driving display, so that a plurality of design structures in the display are changed, and certain influence is caused.
Fig. 1 is a schematic diagram showing the variation of the number of source Driving ICs of the display, and as shown in fig. 1, the number of source Driving ICs of the Half source Driving display is one Half of the conventional design. In positive and negative polarity conversion of a Data signal in a Half source Driving display, one Data line (signal Data line) is brighter and the other Data line is darker due to RC circuit delay, and the Data line is especially obvious in low gray scale.
Fig. 2 is a schematic diagram of a 1+2line Driving manner in a Half source Driving display, as shown in fig. 2, in the positive and negative polarity conversion of the Data signal, due to the RC circuit delay, the Data waveform of the previous Pixel is less than the Data waveform of the next Pixel, resulting in the charging difference between Pixel1 and Pixel2, which macroscopically appears as a vertical bright and dark line. The vertical bright and dark lines are one of the important factors for evaluating the display quality of the display, so that the display quality of the Half source Driving display is greatly affected.
The vertical bright and dark lines are especially obvious in the Half source Driving display, and the vertical bright and dark lines are also in a certain degree in other displays except the Half source Driving display.
Disclosure of Invention
Accordingly, it is desirable to provide a display panel and a method for manufacturing a liquid crystal display panel, which can overcome the defect of the vertical bright and dark lines in the display.
A display panel, comprising:
the display device comprises a display array, a first display unit and a second display unit, wherein the display array comprises a plurality of rows of first pixel rows and second pixel rows which are sequentially and alternately arranged, and the first pixel rows and the second pixel rows respectively comprise a plurality of pixels which are sequentially arranged in the row direction; the first pixel column and the second pixel column are paired and receive corresponding driving signals in a time-sharing manner;
the first pixel column and the second pixel column are respectively configured with different light transmittances, so that the respective pixels of the paired first pixel column and second pixel column have the same brightness when receiving different time-sharing parts of the same driving signal.
The display panel provides the pixel units in the first pixel column and the pixel units in the second pixel column with different light transmittances, so that the first pixel column and the second pixel column have consistent brightness when receiving different time-sharing parts of the same driving signal. Therefore, under the driving of the actual driving signal, the display brightness difference between the first pixel row and the second pixel row is eliminated, so that the vertical bright and dark lines are eliminated, and the display quality of the display is improved.
In one embodiment, the first pixel column and the second pixel column are respectively configured with different pixel liquid crystal gaps so that the first pixel column and the second pixel column respectively have different light transmittances.
In one embodiment, spacers corresponding to the first pixel column and the second pixel column have different heights, wherein the spacers are used to separate the thin film transistor glass and the color filter to form a space for accommodating the liquid crystal.
In one embodiment, the first pixel columns are odd columns, the second pixel columns are even columns, and the light transmittance of the first pixel columns is greater than that of the second pixel columns.
In one embodiment, the liquid crystal gap of each pixel in the first pixel row is 3.9-4.1 um, and the liquid crystal gap of each pixel in the second pixel row is 3.4-3.6 um.
In one embodiment, the first pixel column and the second pixel column are respectively configured with different refractive index differences, so that the first pixel column and the second pixel column respectively have different light transmittances.
The display panel comprises a display array and a plurality of pixel units, wherein the display array comprises a first pixel column and a second pixel column, the first pixel column comprises a plurality of pixel units which are sequentially arranged in the column direction, and the second pixel column comprises a plurality of pixel units which are sequentially arranged in the column direction; the method comprises the following steps:
providing thin film transistor glass;
providing a color filter;
injecting liquid crystal and attaching the thin film transistor glass and the color filter;
wherein, in the step of providing the color filter or attaching:
the first pixel column and the second pixel column are respectively configured with different light transmittances, so that the brightness of the pixels of the paired first pixel column and second pixel column is consistent when the pixels receive different time-sharing parts of the same driving signal.
In the manufacturing method of the liquid crystal display panel, the light transmittance of each pixel unit in the first pixel column and the light transmittance of each pixel unit in the second pixel column are formed in different steps of providing the color filter or performing the attaching, so that the brightness of the first pixel column is consistent with that of the second pixel column when the first pixel column and the second pixel column receive different time-sharing parts of the same driving signal, and the display brightness difference between the first pixel column and the second pixel column is eliminated on the basis of the brightness, so that the vertical bright and dark lines appearing in the display are eliminated, and the display quality of the display is improved.
In one embodiment, the attaching process includes the steps of:
the first pixel column and the second pixel column are respectively configured with different pixel liquid crystal gaps so as to enable the first pixel column and the second pixel column to respectively have different light transmittance.
In one embodiment, the attaching process includes the steps of:
spacers having different heights are provided for the first pixel column and the second pixel column, respectively, wherein the spacers are used to separate the thin film transistor glass and the color filter to form a space for accommodating the liquid crystal.
In one embodiment, the process of providing a color filter includes the steps of:
different refractive index differences are set for the first pixel row and the second pixel row respectively.
Drawings
FIG. 1 is a diagram illustrating the variation of the number of source driver ICs in the display;
FIG. 2 is a schematic diagram of a 1+2line Driving scheme in a Half source Driving display;
FIG. 3 is a schematic view of a display panel;
FIG. 4 is a cross-sectional view of a liquid crystal display panel;
FIG. 5 is a cross-sectional view of a display panel with a gasket;
FIG. 6 is a flow chart of a method for fabricating a liquid crystal display panel.
Detailed Description
For better understanding of the objects, technical solutions and effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples. Meanwhile, the following described examples are only for explaining the present invention, and are not intended to limit the present invention.
The embodiment of the invention provides a display panel:
fig. 3 is a schematic structural diagram of a display panel, and as shown in fig. 3, the display panel is applied to a display system having a half-source driving module, and includes:
a display array including a plurality of first pixel columns D1 and second pixel columns D2 alternately arranged in sequence, each of the first pixel columns D1 and the second pixel columns D2 including a plurality of pixels arranged in sequence in a column direction; the first pixel column D1 and the second pixel column D2 are paired and receive corresponding driving signals from the half-source driving module in a time-sharing manner;
the first pixel column D1 and the second pixel column D2 are configured with different transmittances, so that the pixels of the first pixel column D1 and the second pixel column D2 in the pair are identical in brightness when receiving different time-sharing portions of the same driving signal.
The pixel column D1 corresponds to a1, and the pixel column D2 corresponds to a B1. The half-source driving signal of the display panel drives one of the first pixel column D1 or the second pixel column D2 first, and then drives the other column. When the positive and negative polarities of the driving signals are switched, the pixel array which is driven firstly does not reach the due potential, and the pixel array which is driven later can approach the ideal potential. If the pixel a1 in the first pixel column D1 is driven first, the potential of the pixel a1 in the first pixel column D1 is lower, the display luminance of the pixel a1 in the first pixel column D1 is lower than the display luminance of the pixel B1 in the second pixel column D2, and the display luminance of the first pixel column D1 is lower than the display luminance of the second pixel column D2 as a whole; if the pixel B1 in the second pixel column D2 is driven first, the potential of the pixel B1 in the second pixel column D2 is low, the display luminance of the pixel B1 in the second pixel column D2 is lower than the display luminance of the pixel a1 in the first pixel column D1, and the display luminance of the second pixel column D2 is lower than the display luminance of the first pixel column D1 as a whole. That is, the difference between the potentials of the pixels in the first pixel column D1 and the second pixel column D2 results in the difference between the display luminance of the first pixel column D1 and the display luminance of the second pixel column D2.
The first pixel column D1 and the second pixel column D2 are respectively configured with different transmittances, that is, the absolute value of the difference between the transmittances of the first pixel column D1 and the second pixel column D2 is greater than zero, and the absolute value of the difference is present, so that when the pixels of the first pixel column D1 and the second pixel column D2 receive different time-sharing portions of the same driving signal, the difference of the display luminance caused by the difference of the transmittances can be compensated, and the difference of the display luminance of the first pixel column D1 and the second pixel column D2 caused by the potential difference can be compensated.
In one embodiment, the first pixel column D1 and the second pixel column D2 are respectively configured with different pixel liquid crystal gaps so that the first pixel column D1 and the second pixel column D2 respectively have different light transmittances.
In one embodiment, the first pixel column D1 is an odd column, the second pixel column D2 is an even column, and the transmittance of the first pixel column D1 is greater than that of the second pixel column D2.
In the liquid crystal display panel, different time-sharing parts of the half-source driving signals sequentially drive odd columns and even columns, wherein, as shown in fig. 2, the driving signals corresponding to pixels 1 and pixels 2 are different time-sharing parts of the same driving signal. When the first Pixel column D1 is an odd column, the driving signal corresponding to the first Pixel column D1 is the driving signal corresponding to Pixel 1; when the second Pixel column D2 is an even column, the driving signal corresponding to the second Pixel column D2 is the driving signal corresponding to Pixel 2.
As shown in fig. 2, the potential of the driving signal corresponding to the Pixel1 does not reach the potential of the driving signal corresponding to the Pixel2, so the display luminance of the first Pixel column D1 is lower than the display luminance of the second Pixel column D2. Therefore, the transmittance of the first pixel column D1 is greater than that of the second pixel column D2, and the larger charging rate can increase the display luminance of the first pixel column D1 to compensate for the display luminance difference with the second pixel column D2 caused by the lower potential.
FIG. 4 is a cross-sectional view of a liquid crystal display panel, as shown in FIG. 4, the liquid crystal display panel includes a TFT glass, an alignment layer, a sealant, a color filter and a liquid crystal. The thin film transistor glass is covered with an alignment layer and is attached to the color filter through a sealant, a sealant frame is formed among the thin film transistor glass, the sealant and the color filter and is used for injecting and sealing liquid crystal molecules, and the distance d between the thin film transistor glass and the color filter is a pixel liquid crystal gap.
The first pixel column D1 and the second pixel column D2 are respectively disposed with different pixel liquid crystal gaps, that is, the absolute value of the difference between the pixel liquid crystal gaps of the first pixel column D1 and the second pixel column D2 is greater than zero, and the absolute value of the difference is present, so that when the pixels of the first pixel column D1 and the second pixel column D2 receive different time-sharing portions of the same driving signal, the difference of the display luminance difference caused by the difference of the pixel liquid crystal gaps can be compensated for the difference of the display luminance of the first pixel column D1 and the second pixel column D2 due to the potential difference.
In one embodiment, spacers corresponding to the first pixel column D1 and the second pixel column D2 have different heights, wherein the spacers are used to separate the thin film transistor glass and the color filter to form a space for accommodating the liquid crystal.
FIG. 5 is a cross-sectional view of a display panel with spacers, as shown in FIG. 5, between the TFT glass and the color filter, the spacers are formed, wherein the pixel liquid crystal gap is positively correlated with the height h of the spacers. Generally, the pixel liquid crystal gap H ═ H + a, where a is a certain height. The height h of the spacers is different, that is, different pixel liquid crystal gaps are configured for the first pixel column D1 and the second pixel column D2, so as to compensate for the difference in display luminance between the first pixel column D1 and the second pixel column D2 caused by the difference in potential. In a preferred embodiment, the liquid crystal gap of each pixel in the first pixel row D1 is 3.9-4.1 um, and the liquid crystal gap of each pixel in the second pixel row D2 is 3.4-3.6 um.
Among them, the spacer includes a photo spacer.
The relationship between the pixel liquid crystal gap and the transmittance of the pixel is as follows:
wherein Δ n represents a refractive index difference, d representsPixel liquid crystal gap, neDenotes the refractive index (vertical direction), noRepresenting the refractive index (horizontal direction).
In one embodiment, the first pixel column D1 and the second pixel column D2 are configured with different refractive index differences, respectively, so that the first pixel column D1 and the second pixel column D2 have different light transmittances, respectively.
As in the above equation, the greater the difference in refractive index of the pixel, the greater the transmittance. The first pixel row D1 and the second pixel row D2 are respectively configured with different refractive index differences, that is, the absolute value of the difference between the refractive index differences of the first pixel row D1 and the second pixel row D2 is greater than zero, and the absolute value of the difference is present, so that when the pixels of the first pixel row D1 and the second pixel row D2 receive different time-sharing portions of the same driving signal, the difference of the display brightness caused by the difference of the light transmittance can be compensated, and the difference of the display brightness of the first pixel row D1 and the second pixel row D2 caused by the potential difference can be compensated. Wherein, the refractive index difference can be changed by changing the material of the color filter. Color filters of different materials are disposed in the first pixel row D1 and the second pixel row D2, respectively, so that the first pixel row D1 and the second pixel row D2 are disposed with different refractive index differences, respectively.
The display panel provides the pixel units in the first pixel column D1 and the pixel units in the second pixel column D2 with different light transmittances, so that the first pixel column D1 and the second pixel column D2 have the same brightness when receiving different time-sharing portions of the same driving signal. Therefore, under the driving of the actual driving signal, the display brightness difference between the first pixel column D1 and the second pixel column D2 is eliminated to eliminate the vertical bright and dark lines, so as to improve the display quality of the display.
The embodiment of the invention also provides a manufacturing method of the liquid crystal display panel, which comprises the following steps:
fig. 6 is a flowchart of a method of manufacturing a liquid crystal display panel, and as shown in fig. 6, the liquid crystal display panel includes a display array including a plurality of first pixel columns D1 and second pixel columns D2 alternately arranged in sequence, each of the first pixel columns D1 and the second pixel columns D2 including a plurality of pixels arranged in sequence in a column direction; the first pixel column D1 and the second pixel column D2 are paired and receive corresponding driving signals from the half-source driving module in a time-sharing manner; the method comprises steps S100 to S102:
s100, providing thin film transistor glass;
s101, providing a color filter;
s102, injecting liquid crystal and attaching the thin film transistor glass and the color filter;
wherein, in the step of providing the color filter in the step S101 or the step of bonding in the step S102:
the first pixel column D1 and the second pixel column D2 are configured to have different transmittances, respectively, so that the respective pixels of the paired first pixel column D1 and second pixel column D2 exhibit the same brightness when receiving different time-sharing portions of the same driving signal.
In one embodiment, the attaching process in step S102 includes the steps of:
the first pixel column D1 and the second pixel column D2 are respectively configured with different pixel liquid crystal gaps so that the first pixel column D1 and the second pixel column D2 respectively have different light transmittances.
In one embodiment, the attaching process in step S102 includes the steps of:
spacers having different heights are provided for the first pixel column D1 and the second pixel column D2, respectively, wherein the spacers are used to separate the thin film transistor glass and the color filter to form a space for accommodating the liquid crystal.
In one embodiment, the process of providing the color filter in step S101 includes the steps of:
different refractive index differences are set for the first pixel row D1 and the second pixel row D2, respectively.
The refractive index differences of the first pixel column D1 and the second pixel column D2 are set differently, and the refractive index differences of the first pixel column D1 and the second pixel column D2 can be made differently by setting different color filters of different materials for the first pixel column D1 and the second pixel column D2 on the color filters.
In the method for manufacturing the liquid crystal display panel, the light transmittance of the first pixel column D1 and the light transmittance of the second pixel column D2 are formed differently in the step of providing the color filter or performing the bonding, so that the first pixel column D1 and the second pixel column D2 have the same brightness when receiving different time-sharing parts of the same driving signal, and the display brightness difference between the first pixel column D1 and the second pixel column D2 is eliminated based on the uniform brightness, so that the vertical bright and dark lines appearing in the display are eliminated, and the display quality of the display is improved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A display panel, comprising:
the display device comprises a display array, a first display unit and a second display unit, wherein the display array comprises a plurality of columns of first pixel columns and second pixel columns which are sequentially and alternately arranged, and the first pixel columns and the second pixel columns respectively comprise a plurality of pixels which are sequentially arranged in the column direction; the first pixel column and the second pixel column are paired and receive corresponding driving signals in a time-sharing manner;
wherein the first pixel column and the second pixel column are respectively configured with different pixel liquid crystal gaps, and spacers corresponding to the first pixel column and the second pixel column have different heights, wherein the spacers are used for separating the thin film transistor glass and the color filter to form a space for accommodating liquid crystal, so that the first pixel column and the second pixel column respectively have different light transmittances, and the respective pixels of the paired first pixel column and the second pixel column are uniform in brightness when receiving different time-sharing parts of the same driving signal.
2. The display panel according to claim 1, wherein the first pixel columns are odd columns, the second pixel columns are even columns, and a light transmittance of the first pixel columns is greater than a light transmittance of the second pixel columns.
3. The display panel of claim 1, wherein the first pixel row has a gap of 3.9-4.1 um for each pixel liquid crystal, and the second pixel row has a gap of 3.4-3.6 um for each pixel liquid crystal.
4. The display panel according to claim 1, wherein the first pixel column and the second pixel column are respectively configured with different refractive index differences so that the first pixel column and the second pixel column have different light transmittances.
5. The manufacturing method of the liquid crystal display panel is characterized in that the liquid crystal display panel comprises a display array, the display array comprises a plurality of first pixel columns and a plurality of second pixel columns which are sequentially and alternately arranged, and the first pixel columns and the second pixel columns respectively comprise a plurality of pixels which are sequentially arranged in the column direction; the first pixel column and the second pixel column are paired and receive corresponding driving signals in a time-sharing manner; the method comprises the following steps:
providing thin film transistor glass;
providing a color filter;
injecting liquid crystal and attaching the thin film transistor glass and the color filter;
wherein, in the step of providing the color filter or attaching:
and configuring different light transmittances for the first pixel column and the second pixel column respectively, so that the brightness of the pixels of the first pixel column and the second pixel column in a pair is consistent when the pixels receive different time-sharing parts of the same driving signal.
6. The method for manufacturing a liquid crystal display panel according to claim 5, wherein the attaching step includes the steps of:
the first pixel column and the second pixel column are respectively configured with different pixel liquid crystal gaps, so that the first pixel column and the second pixel column respectively have different light transmittance.
7. The method for manufacturing a liquid crystal display panel according to claim 6, wherein the attaching step includes the steps of:
spacers having different heights are provided for the first pixel column and the second pixel column, respectively, wherein the spacers are used to separate the thin film transistor glass and the color filter to form a space for accommodating the liquid crystal.
8. The method according to claim 5, wherein the step of providing the color filter comprises the steps of:
and respectively setting different refractive index differences for the first pixel row and the second pixel row.
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