CN101393366A - Pixel, pixel module and liquid-crystal display panel - Google Patents
Pixel, pixel module and liquid-crystal display panel Download PDFInfo
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Abstract
The present invention provides a pixel, a pixel module and a liquid crystal display panel. The liquid crystal display panel consists of the pixel modules which are in honeycomb-shaped arrangement. The pixel module consists of a red sub-pixel, a green sub-pixel and a blue sub-pixel which are of regular hexagon shapes respectively. All sub-pixels in the pixels are in honeycomb-shaped arrangement. Each sub-pixel is different in color from six adjacent sub-pixels. A unique pixel structure and a unique pixel module structure are provided and the liquid crystal display panel is provided based on the special structures. The number of the source electrode drive channels required by the pixels on the panel is reduced, and the increased number of the required grid electrode drive channels is reduced as possible so that the number of the required source/grid electrode drive channels is minimized and the cost of the liquid crystal display panel is reduced.
Description
Technical field
The present invention relates to a kind of pixel, picture element module and LCD panel, particularly by the pixel, picture element module and the LCD panel that comprise that three kinds of sub-pixs of red, green, blue constitute.
Background technology
In recent years, the liquid crystal indicator with features such as slim, low-power consumption is paid close attention to always, and this liquid crystal indicator is divided into active type and passive usually.But active type is better on maximization, this aspect of high definition.Active component employing thin film transistor (TFT) in the general LCD panel (Thin FilmTransistor, hereinafter to be referred as: situation TFT) is more.
The active type liquid crystal indicator (hereinafter to be referred as: liquid crystal indicator), active component and pixel are rectangular, by driving each active component, can apply predetermined voltage to pixel, thus the orientation of control liquid crystal molecule.Each above-mentioned pixel all by three by use color filter present redness, green and blueness (hereinafter to be referred as: sub-pix RGB) is formed.In order to drive active component and pixel to be applied predetermined voltage, be provided with grid passage and source channel that voltage is provided to active component and pixel, passage one end connects active component and pixel, the passage other end connects gate drivers and source electrode driver respectively, these two parts can perhaps be separated into two chips on an one chip.Gate drivers is controlled the opening and closing of pixel capacitance stored charge by all TFT that switch on or off a select row.
In the LCD panel of traditional liquid crystal indicator, the pixel of rectangular shape is to adopt horizontal arrangement, and this structure makes three sub-pixs of RGB upwards arrange successively at X, as shown in Figure 1.Concerning X to source drive, source electrode driver just need to X to each sub-pix drive, it is X three times to pixel quantity that this type of drive has just caused required source channel number.Because the overall channel quantity of required source electrode driver is very big, will cause the port number of used number of chips of source electrode driver or single source driver chip to increase greatly.
(Wide Extended Graphics Array+, be called for short: WXGA+) the widescreen LCD panel is an example, and the resolution of this plate is 1440 * 900 with XGA (Extended Graphics Array).As shown in Figure 1, adopt traditional rectangular pixels structure of laterally arranging, the sub-pix dot matrix be red (hereinafter to be referred as: R) 2, green (hereinafter to be referred as: G) 3, blue (hereinafter to be referred as: B) 4, X is to 1400 * 3=4320, Y to: 900, need the source channel 7 of source electrode driver 5 to add up to 4320, the grid passage 8 of gate drivers 6 adds up to 900, totally 5220.If adopt source electrode driver with 720 passages and gate drivers, so, need 6 of source driver chip, 3 of gate drivers chips with 300 passages.If want to improve the resolution of LCD panel 1, the number of then required driver chip also will increase.But,, driver chip is carried out the step of connecting number also can increase, and the price of driver chip is higher, so can cause manufacturing cost to increase greatly because core number increases; And the number of driver chip increases, and also can bring the drive division number of packages in the liquid crystal indicator to increase problems such as the power consumption increase of circuit; In addition, because core number is many, also there is the nonsynchronous situation of output of each chip, thereby can causes the demonstration of LCD panel bad.
The Novel LCD that the patent that has proposes adopts the rectangular pixels of vertically arranging to arrange, and this structure makes three kinds of sub-pixs of RGB upwards arrange successively at Y.Like this for X to source electrode driver, only need drive X each pixel that makes progress, make the required number of channels of source electrode driver be the quantity of pixel on this direction, but the overall channel quantity that need increase gate drivers simultaneously 3 times when laterally arranging.In addition, the sub-pix quantity of the required driving of wall scroll source channel also can increase to original 3 times, with the driving force of existing source electrode driver, and the so many pixels of very difficult driving.
Summary of the invention
The purpose of this invention is to provide a kind of pixel, picture element module, LCD panel, drive the needed source of pixel/grid number of channels to reduce.
To achieve these goals, some embodiments of the present invention provide a kind of pixel, comprise three kinds of sub-pixs of red, green, blue, three kinds of sub-pixs of described red, green, blue are regular hexagon respectively, three kinds of sub-pixs of described red, green, blue are butt joint mutually in twos, and the line at each sub-pix center constitutes the equilateral triangle dot structure.
To achieve these goals, other embodiment of the present invention provide a kind of picture element module, comprise three kinds of sub-pixs of red, green, blue, three kinds of sub-pixs of described red, green, blue are respectively regular hexagon, all sub-pixs in the described pixel are honeycomb arrangement, do not have the pixel identical with this pixel color around each sub-pix in six sub-pixs of adjacency.
To achieve these goals, other embodiment of the present invention provides a kind of LCD panel, the picture element module that constitutes this LCD panel comprises three kinds of sub-pixs of red, green, blue, three kinds of sub-pixs of described red, green, blue are regular hexagon respectively, all sub-pixs in the described pixel are honeycomb arrangement, do not have the pixel identical with this pixel color around each sub-pix in six sub-pixs of adjacency; Transversely, the line of centres of described sub-pix is in the shared grid passage of sub-pix on the same straight line; Vertically, be in the shared source class passage of the sub-pix of lateral edges, except that the edge, the shared source class passage of sub-pix that sub-pix connects in the vertical in turn, the line of centres of the described sub-pix that connects in turn is identical with the shape of the line of centres of the sub-pix that is in both sides of the edge; The line of centres of the sub-pix of described horizontal direction linearly, the line of centres indentation of the sub-pix of described longitudinal direction.
To achieve these goals, some embodiment more of the present invention provide a kind of LCD panel, the picture element module that constitutes this LCD panel comprises three kinds of sub-pixs of red, green, blue, three kinds of sub-pixs of described red, green, blue are regular hexagon respectively, all sub-pixs in the described pixel are honeycomb arrangement, do not have the pixel identical with this pixel color around each sub-pix in six sub-pixs of adjacency; Transversely, the line of centres of described sub-pix is in the shared source channel of sub-pix on the same straight line; Vertically, be in the shared grid level passage of the sub-pix of lateral edges, except that the edge, the shared grid level passage of sub-pix that sub-pix connects in the vertical in turn, the line of centres of the described sub-pix that connects in turn is identical with the shape of the line of centres of the sub-pix that is in both sides of the edge; The line of centres of the sub-pix of described horizontal direction linearly, the line of centres indentation of the sub-pix of described longitudinal direction.
By above technical scheme as can be known, the invention provides a kind of pixel, picture element module and LCD panel, by changing dot structure on the LCD panel, thereby reduced the needed source of source/gate driver drive pixel/grid total number of channels, reduced requirement the source electrode driver driving force.
Also in conjunction with the accompanying drawings the present invention is described in further detail below by specific embodiment.
Description of drawings
Fig. 1 is the structural representation of traditional LCD panel and drive unit thereof;
Fig. 2 A is the synoptic diagram of pixel embodiment of the present invention;
Fig. 2 B is the synoptic diagram of conventional pixel;
Fig. 3 A is the synoptic diagram of picture element module embodiment 1 of the present invention;
Fig. 3 B is the synoptic diagram of conventional pixel modular structure;
The synoptic diagram that Fig. 4 A laterally arranges for picture element module of the present invention;
The synoptic diagram that Fig. 4 B vertically arranges for picture element module of the present invention;
Fig. 5 is LCD panel embodiment 1 structural representation of the present invention;
Fig. 6 is LCD panel embodiment 2 structural representations of the present invention.
Embodiment
In traditional LCD panel, three kinds of sub-pixs of the RGB in the pixel be rectangular shape laterally or vertically arrange successively, this arranging can cause the increase of driver chip quantity, and total number of channels is numerous, and also may cause the driving force deficiency.And the LCD panel that some embodiments of the present invention provide provides a kind of new LCD panel, with and on the picture element module arrangement.
Pixel embodiment
Be depicted as a pixel on the LCD panel as Fig. 2 A, this pixel is made of red (R) 2, green (G) 3, blue (B) 4 three kinds of sub-pixs, and sub-pix adopts the regular hexagon design, and R sub-pix 2 is connected with G sub-pix 3, fillet 23; R sub-pix 2 is connected with B sub-pix 4, fillet 24; G sub-pix 3 is connected with B sub-pix 4, fillet 34.As shown in Fig. 2 A, the line of centres of three kinds of sub-pixs constitutes the dot structure that equilateral triangle is arranged.
This dot structure is different from traditional, shown in Fig. 2 B, the dot structure that the rectangular shape of RGB is arranged in order.
Picture element module embodiment 1
Be a plurality of pixel arrangement structures on the LCD panel in the present embodiment as shown in Figure 3A, the line of centres of three kinds of sub-pixs is the pixel butt joint mutually in twos that equilateral triangle is arranged, on LCD panel, constitute honeycomb arrangement, do not have the pixel identical around each sub-pix in six sub-pixs of adjacency with this pixel color.As shown in Fig. 3 A, every six adjacent sub-pix of limit are respectively the G sub-pix and the B sub-pix is intervally arranged with it on every side at sub-pix R2 '; For the sub-pix of LCD panel 1 edge, for example the R sub-pix 2 ", above it not shown have in abutting connection with two limits of sub-pix adjacent with the G sub-pix 101 and the B sub-pix 102 on corresponding base respectively.Pixel 9, pixel 10 place behaviors first row among Fig. 3 A, pixel 11, pixel 12 place behaviors second row, the rest may be inferred, and the pixel of this cellular distribution becomes 6 (row) * 4 (OK) dot matrix to arrange; Rectangular-shaped pixel is arranged with 6 (row) * 4 (OK) dot matrix equally among Fig. 3 B.Comparison diagram 3A and Fig. 3 B, we as can be seen, the arrange number of row/row of the sub-pix in the pixel is different, sub-pix is that 12 (row) * 6 (OK) dot matrix are arranged among Fig. 3 A, sub-pix is that 18 (row) * 4 (OK) dot matrix are arranged among Fig. 3 B.
Picture element module embodiment 2
In embodiments of the present invention, the direction that the line of centres of definition sub-pix linearly connects is horizontal for this picture element module, connects source channel 7 connection pixel orientation among pixel orientation or Fig. 4 B as grid passage among Fig. 4 A 8; The direction that the line of centres indentation of definition sub-pix connects is the vertical of this picture element module, connects pixel orientation or connects pixel orientation as grid passage among Fig. 4 B 8 as source channel among Fig. 4 A 7.
Shown in Fig. 4 A, picture element module adopts described in the foregoing description 1 and arranges, and what the line of centres of definition sub-pix linearly connected is the horizontal of this picture element module, connects pixel orientation as grid passage 8; That the line of centres indentation of sub-pix connects is the vertical of this picture element module, connects pixel orientation as source channel 7.Transversely, the line of centres of sub-pix is in the shared grid passage 8 of sub-pix on the same straight line; Vertically, each is described laterally with the shared source class passage 7 of the sub-pix of lateral edges, except that the edge, sub-pix connects in turn, the shared source class passage 7 of sub-pix on each line, be connected in turn: the line of centres of sub-pix is identical with the line of centres shape of the sub-pix that is in both sides of the edge, shown in Fig. 4 A.
Picture element module embodiment 3
Shown in Fig. 4 B, picture element module adopts described in the foregoing description 1 and arranges, and what the line of centres of definition sub-pix linearly connected is the horizontal of this picture element module, connects pixel orientation as source channel 7; That the line of centres indentation of sub-pix connects is the vertical of this picture element module, connects pixel orientation as grid passage 8.Transversely, the line of centres of sub-pix is in the shared source channel 7 of sub-pix on the same straight line; Vertically, each is described laterally with the shared grid level passage 8 of the sub-pix of lateral edges, except that the edge, sub-pix connects in turn, the shared grid level passage 8 of sub-pix on each line, be connected in turn: the line of centres of sub-pix is identical with the line of centres shape of the sub-pix that is in both sides of the edge, shown in Fig. 4 B.
As shown in Figure 5, this LCD panel 1 is made of picture element module, this picture element module comprises three kinds of sub-pixs of red, green, blue, three kinds of sub-pixs of red, green, blue are regular hexagon respectively, all sub-pixs in the described pixel are honeycomb arrangement, do not have the pixel identical with this pixel color around each sub-pix in six sub-pixs of adjacency.
LCD panel shown in the figure is a rectangle, picture element module laterally identical with the long side direction of LCD panel, picture element module vertical identical with the short side direction of LCD panel; The line of centres of the sub-pix of the horizontal direction of picture element module linearly, the line of centres indentation of the sub-pix of the longitudinal direction of picture element module.
Be example with the WXGA+ widescreen still, its resolution is 1440 * 900, and picture element module on the LCD panel adopts the cellular dot structure of laterally arranging, and X is to being source electrode driver 5, grid passage 8, and Y is to being gate drivers 6, source channel 7.Because the line of centres of RGB sub-pix is the equilateral triangle arrangement, makes that three sub-pixs of RGB have 2 sub-pixs in same delegation in 1 pixel, 1 sub-pix is at another adjacent row, so just reduced X to sub-pix quantity.The widescreen of 1440 * 900 resolution is as arranging with this kind structure, the sub-pix dot matrix is (1440 * 2) * (900 * 1.5)=2880 * 1350, the overall channel number that needs source electrode driver to have is 2880, the overall channel number that gate drivers has is 1350, totally 4230 of the overall channel numbers of source/grid.
If adopt traditional transverse moment shape pixel arrangement structure shown in Figure 1, the sub-pix dot matrix is (1440 * 3) * 900=4320 * 900, the overall channel number that needs source electrode driver to have is 4320, and the overall channel number that gate drivers has is 900, totally 5220 of the overall channel numbers of source/grid.Compare with traditional transverse moment shape pixel arrangement structure, used cellular pixel arrangement structure among this embodiment of the present invention can make the needed port number of source electrode driver reduce 1440, and the overall channel number of source/grid reduces 990.For the single passage of Source drive, the pixel count of required driving is 1350, is soluble with existing driving force.
With the source electrode driver of 720 passages and the gate drivers of 300 passages is chip for driving, and the LCD panel of the picture element module of arranging in a conventional manner needs 6 of source driver chip, 3 of gate drivers chips; Source/the gate drivers of same port number, the LCD panel that the cellular picture element module that adopts among this embodiment of the present invention is arranged needs 4 of source driver chip, gate drivers chip 4.5 (5) sheets.Compare traditional design as can be seen, the LCD panel of present embodiment drives can save 2 of source driver chip, though increased the gate drivers chip, the sum of source/gate drivers chip has still reduced 1.5.
As shown in Figure 6, this LCD panel 1 is made of picture element module, this picture element module comprises three kinds of sub-pixs of red, green, blue, three kinds of sub-pixs of red, green, blue are regular hexagon respectively, all sub-pixs in the pixel are honeycomb arrangement, do not have the pixel identical with this pixel color around each sub-pix in six sub-pixs of adjacency.
LCD panel shown in the figure is a rectangle, picture element module laterally identical with the short side direction of LCD panel, picture element module vertical identical with the long side direction of LCD panel; The line of centres of the sub-pix of the horizontal direction of picture element module linearly, the line of centres indentation of the sub-pix of the longitudinal direction of picture element module.
Be that with above-mentioned LCD panel embodiment 1 difference present embodiment has rotated 90 degree with cellular picture element module of arranging on LCD panel 1, as shown in Figure 6.Then the sub-pix dot matrix of the widescreen of 1440 * 900 resolution is (1440 * 1.5) * (900 * 2)=2160 * 1800, the overall channel number that needs source electrode driver to have is 2160, the overall channel number that gate drivers has is 1800, totally 3960 of the overall channel numbers of source/grid.Compare with the LCD panel that adopts traditional arrangement mode, the port number that can further reduce source electrode driver reaches 2160, and the overall channel number of source/grid further minimizing reaches 1260; Compare traditional design, save 3 of source driver chip, increase by 3 of gate drivers chips, source gate driver sum is constant, but the gate drivers chip is lower than source driver chip cost, has still saved cost.And for the single passage of Source drive, the pixel count of required driving is 1800, still can be as the scheme of the stronger source electrode driver of driving force.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1, a kind of pixel comprises three kinds of sub-pixs of red, green, blue, it is characterized in that: three kinds of sub-pixs of described red, green, blue are regular hexagon, and three kinds of sub-pixs of described red, green, blue are butt joint mutually in twos, and the line of centres of each sub-pix is equilateral triangle.
2, a kind of picture element module, comprise three kinds of sub-pixs of red, green, blue, it is characterized in that: three kinds of sub-pixs of described red, green, blue are respectively regular hexagon, all sub-pixs in the described picture element module are honeycomb arrangement, do not have the sub-pix identical with this sub-pix color around each sub-pix in six sub-pixs of adjacency.
3, picture element module according to claim 2 is characterized in that: transversely, the line of centres of described sub-pix is in the shared grid passage of sub-pix on the same straight line; Vertically, be in the shared source class passage of the sub-pix of lateral edges, except that the edge, the shared source class passage of sub-pix that sub-pix connects in the vertical in turn, the line of centres of the described sub-pix that connects in turn is identical with the shape of the line of centres of the sub-pix that is in both sides of the edge; The line of centres of the sub-pix of described horizontal direction linearly, the line of centres indentation of the sub-pix of described longitudinal direction.
4, picture element module according to claim 2 is characterized in that: transversely, the line of centres of described sub-pix is in the shared source channel of sub-pix on the same straight line; Vertically, be in the shared grid level passage of the sub-pix of lateral edges, except that the edge, the shared grid level passage of sub-pix that sub-pix connects in the vertical in turn, the line of centres of the described sub-pix that connects in turn is identical with the shape of the line of centres of the sub-pix that is in both sides of the edge; The line of centres of the sub-pix of described horizontal direction linearly, the line of centres indentation of the sub-pix of described longitudinal direction.
5, a kind of LCD panel, the picture element module that constitutes this LCD panel comprises three kinds of sub-pixs of red, green, blue, it is characterized in that: three kinds of sub-pixs of described red, green, blue are regular hexagon respectively, all sub-pixs in the described picture element module are honeycomb arrangement, do not have the pixel identical with this pixel color around each sub-pix in six sub-pixs of adjacency;
Transversely, the line of centres of described sub-pix is in the shared grid passage of sub-pix on the same straight line; Vertically, be in the shared source class passage of the sub-pix of lateral edges, except that the edge, the shared source class passage of sub-pix that sub-pix connects in the vertical in turn, the line of centres of the described sub-pix that connects in turn is identical with the shape of the line of centres of the sub-pix that is in both sides of the edge; The line of centres of the sub-pix of described horizontal direction linearly, the line of centres indentation of the sub-pix of described longitudinal direction.
6, LCD panel according to claim 5, it is characterized in that: described LCD panel is a rectangle, described picture element module laterally identical with the long side direction of described LCD panel, described picture element module vertical identical with the short side direction of described LCD panel.
7, LCD panel according to claim 5, it is characterized in that: described LCD panel is a rectangle, described picture element module laterally identical with the short side direction of described LCD panel, described picture element module vertical identical with the long side direction of described LCD panel.
8, a kind of LCD panel, the picture element module that constitutes this LCD panel comprises three kinds of sub-pixs of red, green, blue, it is characterized in that: three kinds of sub-pixs of described red, green, blue are regular hexagon respectively, all sub-pixs in the described picture element module are honeycomb arrangement, do not have the pixel identical with this pixel color around each sub-pix in six sub-pixs of adjacency;
Transversely, the line of centres of described sub-pix is in the shared source channel of sub-pix on the same straight line; Vertically, be in the shared grid level passage of the sub-pix of lateral edges, except that the edge, the shared grid level passage of sub-pix that sub-pix connects in the vertical in turn, the line of centres of the described sub-pix that connects in turn is identical with the shape of the line of centres of the sub-pix that is in both sides of the edge; The line of centres of the sub-pix of described horizontal direction linearly, the line of centres indentation of the sub-pix of described longitudinal direction.
9, LCD panel according to claim 8, it is characterized in that: described LCD panel is a rectangle, described picture element module laterally identical with the long side direction of described LCD panel, described picture element module vertical identical with the short side direction of described LCD panel.
10, LCD panel according to claim 8, it is characterized in that: described LCD panel is a rectangle, described picture element module laterally identical with the short side direction of described LCD panel, described picture element module vertical identical with the long side direction of described LCD panel.
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| CNA2007101221726A CN101393366A (en) | 2007-09-21 | 2007-09-21 | Pixel, pixel module and liquid-crystal display panel |
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