CN106373492A - Pixel unit and pixel multiplex structure - Google Patents

Pixel unit and pixel multiplex structure Download PDF

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Publication number
CN106373492A
CN106373492A CN201610741647.9A CN201610741647A CN106373492A CN 106373492 A CN106373492 A CN 106373492A CN 201610741647 A CN201610741647 A CN 201610741647A CN 106373492 A CN106373492 A CN 106373492A
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pixel
pixel cell
pixels
sub
blue subpixels
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郝思坤
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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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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides a pixel unit and a pixel multiplex structure. For the pixel unit, the improvement of the penetration rate of the pixel unit is realized by improving the aperture opening ratio of green sub-pixels. For the pixel multiplex structure, two adjacent pixel units share one blue sub-pixel, and the areas of red sub-pixels and green sub-pixels in each pixel unit are greater than the area of the blue sub-pixels; or, the two adjacent pixel units share one red sub-pixel and one blue sub-pixel, and the areas of the red sub-pixels and the blue sub-pixels in each pixel unit are smaller than the area of the green sub-pixels, so that the aperture opening ratio of the green sub-pixels in each pixel unit is further promoted, and finally, the penetration rate of the pixel unit is promoted.

Description

Pixel cell and pixel multiplexing structure
Technical field
The present invention relates to display technology field, more particularly, to a kind of pixel cell and pixel multiplexing structure.
Background technology
With the development of Display Technique, the plane such as liquid crystal display (liquid crystal display, lcd) display dress Put because having the advantages that high image quality, power saving, fuselage be thin and applied range, and be widely used in mobile phone, TV, individual number The various consumption electronic products such as word assistant, digital camera, notebook computer, desk computer, become the master in display device Stream.
Liquid crystal indicator on existing market is most of to be backlight liquid crystal display, it include display panels and Backlight module (backlight module).The operation principle of display panels is to put in the middle of the parallel glass substrate of two panels Put liquid crystal molecule, have many tiny electric wires vertically and horizontally in the middle of two panels glass substrate, to control liquid crystal by whether being energized Molecular changes direction, the light of backlight module is reflected generation picture.
Generally display panels are by color film (cf, color filter) substrate, thin film transistor (TFT) (tft, thin film Transistor) substrate, the liquid crystal (lc, liquid crystal) being sandwiched between color membrane substrates and thin film transistor base plate and close Sealing frame (sealant) forms.
Fig. 1 is the structural representation of the pixel cell of existing liquid crystal display, and Fig. 2 is the picture of existing liquid crystal display The schematic diagram of plain arrangement mode, as shown in figure 1, each pixel cell is by red sub-pixel, green sub-pixels and blue subpixels Three sub-pixels are constituted, as shown in Fig. 2 the pixel cell of Fig. 1 is carried out periodic arrangement, that is, constitute showing of liquid crystal display Show region, the structural representation of the drive circuit that the pixel arrangements by Fig. 2 for the Fig. 3 are used.However, having shown in Fig. 1 The liquid crystal display of the pixel arrangements shown in pixel cell and Fig. 2 there is problems in that
Develop towards high-res direction with Thin Film Transistor-LCD, the Pixel Dimensions of liquid crystal display are increasingly Little, aperture opening ratio and penetrance more and more lower, limit use in small size resolution panels for the liquid crystal display;
Pixel cell Green sub-pixel is maximum to brightness contribution, but its area of occupying and red sub-pixel and green Sub-pixel is equal, is therefore unfavorable for the brightness of display and the lifting of penetrance.
Content of the invention
It is an object of the invention to provide a kind of pixel cell, penetrance height, liquid crystal display can be widened high in small size Use in resolution panel.
The present invention also aims to providing a kind of pixel multiplexing structure, penetrance is high, can widen liquid crystal display little Use in size resolution panels.
For achieving the above object, present invention firstly provides the first pixel cell, red including array from left to right Sub-pixels, green sub-pixels and blue subpixels, wherein, described red sub-pixel is equal with the area of described green sub-pixels Area more than described blue subpixels.
Described red sub-pixel and the area equation of described green sub-pixels, and it is respectively the face of described blue subpixels Long-pending 1.25 times.
The present invention also provides the first pixel multiplexing structure, including the first pixel cell arraying from left to right and Two pixel cells, described first pixel cell and described second pixel cell all include red sub-pixel, green sub-pixels and indigo plant Sub-pixels, described first pixel cell and described second pixel cell share same blue subpixels, described first pixel Red sub-pixel in unit is identical with the area of the red sub-pixel in described second pixel cell, described first pixel cell In green sub-pixels identical with the area of the green sub-pixels in described second pixel cell, in each pixel cell, described The area of red sub-pixel and described green sub-pixels is all higher than the area of described blue subpixels.
In each pixel cell, the area equation of described red sub-pixel and described green sub-pixels, and it is equal to described 1.25 times of the area of blue subpixels.
In the first embodiment of the first pixel multiplexing structure of the present invention, described first pixel cell include from a left side to Red sub-pixel, green sub-pixels and blue subpixels that the right side is arranged in order, described second pixel cell include from left to right according to The blue subpixels of secondary arrangement, red sub-pixel and green sub-pixels, wherein, the blue subpixels of described first pixel cell Blue subpixels with described second pixel cell are co-located same blue subpixels.
In the second embodiment of the first pixel multiplexing structure of the present invention, described first pixel cell include from a left side to Red sub-pixel, green sub-pixels and blue subpixels that the right side is arranged in order, described second pixel cell include from left to right according to The blue subpixels of secondary arrangement, green sub-pixels and red sub-pixel, wherein, the blue subpixels of described first pixel cell Blue subpixels with described second pixel cell are co-located same blue subpixels.
The present invention also provides second pixel cell, including the green sub-pixels arraying from left to right, red sub- picture Element and blue subpixels, wherein, described red sub-pixel is respectively less than described green sub-pixels with the area of described blue subpixels Area.
Described red sub-pixel and the area equation of described blue subpixels, and described red sub-pixel and described blueness The summation of the area of sub-pixel is equal to the area of described green sub-pixels.
The present invention also provides second pixel multiplexing structure, including the first pixel cell arraying from left to right and Two pixel cells, described first pixel cell and described second pixel cell all include red sub-pixel, green sub-pixels and indigo plant Sub-pixels, described first pixel cell and described second pixel cell share same red sub-pixel and same blue son Pixel, the area phase of the green sub-pixels in the green sub-pixels in described first pixel cell and described second pixel cell With, in each pixel cell, described red sub-pixel is respectively less than described green sub-pixels with the area of described blue subpixels Area.
In an embodiment of the second pixel multiplexing structure of the present invention, described first pixel cell is included from left to right Green sub-pixels, red sub-pixel and the blue subpixels being arranged in order, described second pixel cell is included from left to right successively The red sub-pixel of arrangement, blue subpixels and green sub-pixels, wherein, the red sub-pixel of described first pixel cell with The red sub-pixel of described second pixel cell is co-located same red sub-pixel, described first pixel cell The blue subpixels of blue subpixels and described second pixel cell be co-located same blue subpixels.
Beneficial effects of the present invention: a kind of pixel cell that the present invention provides, by improving the aperture opening ratio of green sub-pixels Realize the lifting of the penetrance of pixel cell, be conducive to lifting the brightness of liquid crystal display, widen liquid crystal display in small size Use in resolution panels.A kind of pixel multiplexing structure that the present invention provides, by making adjacent two pixel cell altogether Use same blue subpixels, and red sub-pixel and the area of green sub-pixels in each pixel cell are set and be all higher than blueness The area of sub-pixel, or share same red sub-pixel and same blue sub- picture by making adjacent two pixel cell Element, and red sub-pixel and the area of the area respectively less than green sub-pixels of blue subpixels in each pixel cell are set, enter One step lifts the aperture opening ratio of each pixel cell Green sub-pixel, thus lifting the penetrance of pixel cell, is conducive to being lifted The brightness of liquid crystal display, widens use in small size resolution panels for the liquid crystal display.
In order to be able to be further understood that feature and the technology contents of the present invention, refer to detailed below in connection with the present invention Illustrate and accompanying drawing, but accompanying drawing only provides and uses with reference to explanation, is not used for the present invention is any limitation as.
Brief description
Below in conjunction with the accompanying drawings, by the specific embodiment detailed description to the present invention, technical scheme will be made And other beneficial effects are apparent.
In accompanying drawing,
Fig. 1 is the structural representation of the pixel cell of existing liquid crystal display;
Fig. 2 is the schematic diagram of the pixel arrangements of existing liquid crystal display;
The structural representation of the drive circuit that the pixel arrangements by Fig. 2 for the Fig. 3 are used;
Fig. 4 is the structural representation of the first pixel cell of the present invention;
Fig. 5 is the schematic diagram of the first embodiment of the first pixel multiplexing structure of the present invention;
The structural representation of the drive circuit that the pixel multiplexing structure by Fig. 5 for the Fig. 6 is used;
Fig. 7 is the schematic diagram of the second embodiment of the first pixel multiplexing structure of the present invention;
The structural representation of the drive circuit that the pixel multiplexing structure by Fig. 7 for the Fig. 8 is used;
Fig. 9 is the structural representation of the second pixel cell of the present invention;
Figure 10 is the schematic diagram of the second pixel multiplexing structure of the present invention;
The structural representation of the drive circuit that the pixel multiplexing structure by Figure 10 for the Figure 11 is used.
Specific embodiment
For further illustrating the technological means and its effect that the present invention taken, being preferable to carry out below in conjunction with the present invention Example and its accompanying drawing are described in detail.
Refer to Fig. 4, the present invention provides the first pixel cell, including the red sub-pixel arraying from left to right, Green sub-pixels and blue subpixels, wherein, described red sub-pixel is all higher than described indigo plant with the area of described green sub-pixels The area of sub-pixels.
When the gross area of a pixel cell is constant, the area of blue subpixels is less, and red sub-pixel is sub with green The area (aperture opening ratio) of pixel is bigger, thus improve the aperture opening ratio of green sub-pixels, the penetrance of lifting pixel cell, and then Lifting display brightness.
Preferably, the area equation of described red sub-pixel and described green sub-pixels, and it is respectively described blue son 1.25 times of the area of pixel.
Refer to Fig. 5 and Fig. 7, the present invention provides the first pixel multiplexing structure, it includes arraying from left to right First pixel cell and the second pixel cell, described first pixel cell and described second pixel cell all include red sub- picture Element, green sub-pixels and blue subpixels, described first pixel cell and described second pixel cell share same blue son Pixel, the area phase of the red sub-pixel in the red sub-pixel in described first pixel cell and described second pixel cell With, the green sub-pixels in described first pixel cell are identical with the area of the green sub-pixels in described second pixel cell, In each pixel cell, the area of described red sub-pixel and described green sub-pixels is all higher than the face of described blue subpixels Long-pending.
Preferably, in each pixel cell, the area equation of described red sub-pixel and described green sub-pixels, and impartial In the area of described blue subpixels 1.25 times.
Refer to Fig. 5, be the first embodiment of the first pixel multiplexing structure of the present invention, in this first embodiment, institute State red sub-pixel, green sub-pixels and the blue subpixels that the first pixel cell includes arraying from left to right, described Two pixel cells include blue subpixels, red sub-pixel and the green sub-pixels arraying from left to right, wherein, described The blue subpixels of the blue subpixels of the first pixel cell and described second pixel cell are co-located same Blue subpixels.The structural representation of the drive circuit that the pixel multiplexing structure by Fig. 5 for the Fig. 6 is used.
Refer to Fig. 7, be the second embodiment of the first pixel multiplexing structure of the present invention, in this second embodiment, institute State red sub-pixel, green sub-pixels and the blue subpixels that the first pixel cell includes arraying from left to right, described Two pixel cells include blue subpixels, green sub-pixels and the red sub-pixel arraying from left to right, wherein, described The blue subpixels of the blue subpixels of the first pixel cell and described second pixel cell are co-located same Blue subpixels.The structural representation of the drive circuit that the pixel multiplexing structure by Fig. 7 for the Fig. 8 is used.
The first pixel multiplexing knot below by way of the penetrance to traditional pixel cell for the method calculating and the present invention The penetrance of structure is compared:
Assume that backlight intensity is 1, in traditional pixel cell, red sub-pixel, green sub-pixels and blue subpixels Area is 1, and in the first pixel multiplexing structure of the present invention, red sub-pixel is with the area of green sub-pixels 1.25, the area of blue subpixels is 1, and human eye is 1.0000 to the ratio of red, green and the stimulus value of blue light: 4.5907:0.0601.
In traditional pixel cell, the penetrance of averagely each sub-pixel is: (1 × 1 × 1.0000+1 × 1 × 4.5907+ 1 × 1 × 0.0601)/3=1.8836;
In the first pixel multiplexing structure of the present invention, the penetrance of averagely each sub-pixel is: (1 × 1.25 × 1.0000 × 2+1 × 1.25 × 4.5907 × 2+1 × 1 × 0.0601)/6=2.3395;
In the penetrance of each sub-pixel average and traditional pixel cell in the first pixel multiplexing structure of the present invention The ratio of the penetrance of each sub-pixel average is 2.3395/1.8836=1.24, i.e. the first pixel multiplexing knot of the present invention Structure improves 24% with respect to traditional pixel cell, penetrance.
Fig. 5 and the first pixel multiplexing structure of the present invention shown in Fig. 7, by sharing blue subpixels, and arrange red The area of sub-pixels and green sub-pixels is all higher than the area of blue subpixels, improves red sub- picture in each pixel cell Element and the aperture opening ratio of green sub-pixels, and then lift the penetrance of each pixel cell.
Refer to Fig. 9, the present invention provides second pixel cell, including the green sub-pixels arraying from left to right, Red sub-pixel and blue subpixels, wherein, described red sub-pixel is respectively less than described green with the area of described blue subpixels The area of sub-pixels.
When the gross area of a pixel cell is constant, red sub-pixel is less with the area of blue subpixels, green The area (aperture opening ratio) of pixel is bigger, thus improve the aperture opening ratio of green sub-pixels, the penetrance of lifting pixel cell, and then Lifting display brightness.
Preferably, the area equation of described red sub-pixel and described blue subpixels, and described red sub-pixel with The summation of the area of described blue subpixels is equal to the area of described green sub-pixels.
Refer to Figure 10, the present invention provides second pixel multiplexing structure, and it includes first arraying from left to right Pixel cell and the second pixel cell, described first pixel cell and described second pixel cell all include red sub-pixel, green Sub-pixels and blue subpixels, described first pixel cell and described second pixel cell share same red sub-pixel With same blue subpixels, green in the green sub-pixels in described first pixel cell and described second pixel cell The area of pixel is identical, and in each pixel cell, described red sub-pixel is respectively less than described with the area of described blue subpixels The area of green sub-pixels.
Preferably, in each pixel cell, the area equation of described red sub-pixel and described blue subpixels, and institute The summation stating the area of red sub-pixel and described blue subpixels is equal to the area of described blue subpixels.
Refer to Figure 10, be an embodiment of the second pixel multiplexing structure of the present invention, in this embodiment, described first Pixel cell includes green sub-pixels, red sub-pixel and the blue subpixels arraying from left to right, described second pixel Unit includes red sub-pixel, blue subpixels and the green sub-pixels arraying from left to right, wherein, described first picture The red sub-pixel of plain unit is co-located same red son with the red sub-pixel of described second pixel cell Pixel, the blue subpixels of described first pixel cell are co-located with the blue subpixels of described second pixel cell Same blue subpixels.The structural representation of the drive circuit that the pixel multiplexing structure by Figure 10 for the Figure 11 is used.
Second pixel multiplexing knot below by way of the penetrance to traditional pixel cell for the method calculating and the present invention The penetrance of structure is compared:
Assume that backlight intensity is 1, in traditional pixel cell, red sub-pixel, green sub-pixels and blue subpixels Area is 1, and in the second pixel multiplexing structure of the present invention, and the area of green sub-pixels is 2, red sub-pixel with blue The area of sub-pixel is 1, and human eye is 1.0000:4.5907 to the ratio of red, green and the stimulus value of blue light: 0.0601.
In traditional pixel cell, the penetrance of averagely each sub-pixel is: (1 × 1 × 1.0000+1 × 1 × 4.5907+ 1 × 1 × 0.0601)/3=1.8836;
In the second pixel multiplexing structure of the present invention, the penetrance of averagely each sub-pixel is: (1 × 1 × 1.0000+1 × 2 × 4.5907 × 2+1 × 1 × 0.0601)/6=3.2372;
In the penetrance of each sub-pixel average and traditional pixel cell in the second pixel multiplexing structure of the present invention The ratio of the penetrance of each sub-pixel average is 3.2372/1.8836=1.72, i.e. the second pixel multiplexing knot of the present invention Structure improves 72% with respect to traditional pixel cell, penetrance.
The second pixel multiplexing structure of the present invention shown in Figure 10, by sharing red sub-pixel and blue subpixels, And the area that the area of red sub-pixel and blue subpixels is respectively less than green sub-pixels is set, improve in each pixel cell The aperture opening ratio of green sub-pixels, and then lift the penetrance of each pixel cell.
In sum, the present invention provides a kind of pixel cell and pixel multiplexing structure.The pixel cell of the present invention, by carrying The aperture opening ratio of high green sub-pixels realizes the lifting of the penetrance of pixel cell, is conducive to lifting the brightness of liquid crystal display, opens up Use in small size resolution panels for the wide liquid crystal display.The pixel multiplexing structure of the present invention, by making adjacent two Individual pixel cell shares same blue subpixels, and arranges the face of red sub-pixel and green sub-pixels in each pixel cell The long-pending area being all higher than blue subpixels, or by make adjacent two pixel cell share same red sub-pixel with One blue subpixels, and the area respectively less than green sub- picture of red sub-pixel and blue subpixels in each pixel cell is set The area of element, lifts the aperture opening ratio of each pixel cell Green sub-pixel further, thus lifting the penetrance of pixel cell, Be conducive to lifting the brightness of liquid crystal display, widen use in small size resolution panels for the liquid crystal display.
The above, for the person of ordinary skill of the art, can be with technology according to the present invention scheme and technology Design is made other various corresponding changes and is deformed, and all these change and deformation all should belong to the claims in the present invention Protection domain.

Claims (10)

1. a kind of pixel cell it is characterised in that include array from left to right red sub-pixel, green sub-pixels and Blue subpixels, wherein, the area of described red sub-pixel and described green sub-pixels is all higher than the face of described blue subpixels Long-pending.
2. pixel cell as claimed in claim 1 is it is characterised in that the face of described red sub-pixel and described green sub-pixels Long-pending equal, and it is respectively 1.25 times of area of described blue subpixels.
3. a kind of pixel multiplexing structure is it is characterised in that include the first pixel cell and the second picture arraying from left to right Plain unit, described first pixel cell and described second pixel cell all include red sub-pixel, green sub-pixels and blue son Pixel, described first pixel cell and described second pixel cell share same blue subpixels, described first pixel cell In red sub-pixel identical with the area of the red sub-pixel in described second pixel cell, in described first pixel cell Green sub-pixels are identical with the area of the green sub-pixels in described second pixel cell, in each pixel cell, described redness The area of sub-pixel and described green sub-pixels is all higher than the area of described blue subpixels.
4. pixel multiplexing structure as claimed in claim 3 is it is characterised in that in each pixel cell, described red sub-pixel With the area equation of described green sub-pixels, and it is equal to 1.25 times of area of described blue subpixels.
5. pixel multiplexing structure as claimed in claim 3 it is characterised in that described first pixel cell include from left to right according to The red sub-pixel of secondary arrangement, green sub-pixels and blue subpixels, described second pixel cell includes arranging successively from left to right The blue subpixels of row, red sub-pixel and green sub-pixels, wherein, the blue subpixels of described first pixel cell and institute The blue subpixels stating the second pixel cell are co-located same blue subpixels.
6. pixel multiplexing structure as claimed in claim 3 it is characterised in that described first pixel cell include from left to right according to The red sub-pixel of secondary arrangement, green sub-pixels and blue subpixels, described second pixel cell includes arranging successively from left to right The blue subpixels of row, green sub-pixels and red sub-pixel, wherein, the blue subpixels of described first pixel cell and institute The blue subpixels stating the second pixel cell are co-located same blue subpixels.
7. a kind of pixel cell it is characterised in that include array from left to right green sub-pixels, red sub-pixel and Blue subpixels, wherein, the area of described red sub-pixel and described blue subpixels is respectively less than the face of described green sub-pixels Long-pending.
8. pixel cell as claimed in claim 7 is it is characterised in that the face of described red sub-pixel and described blue subpixels Long-pending equal, and the summation of the area of described red sub-pixel and described blue subpixels is equal to the face of described green sub-pixels Long-pending.
9. a kind of pixel multiplexing structure is it is characterised in that include the first pixel cell and the second picture arraying from left to right Plain unit, described first pixel cell and described second pixel cell all include red sub-pixel, green sub-pixels and blue son Pixel, described first pixel cell and described second pixel cell share same red sub-pixel and same blue sub- picture Element, the green sub-pixels in described first pixel cell are identical with the area of the green sub-pixels in described second pixel cell, In each pixel cell, the area of described red sub-pixel and described blue subpixels is respectively less than the face of described green sub-pixels Long-pending.
10. pixel multiplexing structure as claimed in claim 9 is it is characterised in that described first pixel cell is included from left to right Green sub-pixels, red sub-pixel and the blue subpixels being arranged in order, described second pixel cell is included from left to right successively The red sub-pixel of arrangement, blue subpixels and green sub-pixels, wherein, the red sub-pixel of described first pixel cell with The red sub-pixel of described second pixel cell is co-located same red sub-pixel, described first pixel cell The blue subpixels of blue subpixels and described second pixel cell be co-located same blue subpixels.
CN201610741647.9A 2016-08-26 2016-08-26 Pixel unit and pixel multiplex structure Pending CN106373492A (en)

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CN101944311A (en) * 2010-09-07 2011-01-12 深圳市中庆微科技开发有限公司 Display device and display method
CN103278960A (en) * 2012-12-31 2013-09-04 上海天马微电子有限公司 Three-color pixel structure, colored film substrate and liquid crystal displayer
CN103280162A (en) * 2013-05-10 2013-09-04 京东方科技集团股份有限公司 Display substrate and driving method thereof and display device
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CN109300433A (en) * 2017-07-25 2019-02-01 上海和辉光电有限公司 A kind of pixel array and a kind of driving method
JP2019184816A (en) * 2018-04-10 2019-10-24 株式会社ジャパンディスプレイ Display device
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CN109407421A (en) * 2018-11-07 2019-03-01 惠科股份有限公司 A kind of pixel structure and its display device
US11561443B2 (en) * 2018-11-07 2023-01-24 HKC Corporation Limited Pixel structure comprising two red sub-pixels having equal areas, two green sub-pixels having equal areas, and a blue sub-pixel having a greater area than the two green sub-pixels and a smaller area than the two red sub-pixels
CN110824743A (en) * 2019-11-29 2020-02-21 惠州市华星光电技术有限公司 Display panel and display
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