CN102749751A - Display panel - Google Patents
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- CN102749751A CN102749751A CN2011101120859A CN201110112085A CN102749751A CN 102749751 A CN102749751 A CN 102749751A CN 2011101120859 A CN2011101120859 A CN 2011101120859A CN 201110112085 A CN201110112085 A CN 201110112085A CN 102749751 A CN102749751 A CN 102749751A
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Abstract
The invention provides a display panel which comprises a plurality of pixels. Each pixel comprises a first color sub-pixel, a second color sub-pixel, a third color sub-pixel and a fourth color sub-pixel, wherein the first color sub-pixel is composed of a bright area and a dark area. Accordingly, not all pixels are of low color cast structures, only the pixels which are relatively important are of the low color cast structures, and though relatively little side view color cast performance is lost, lots of advantages in aperture ratio, process cost and yield and the like are obtained efficiently.
Description
Technical field
The invention relates to a kind of display panel, especially in regard to a kind of when reducing side-looking the display panel of colour cast.
Background technology
Generally speaking, LCD is faced light transmittance with to the LCD side-looking time and inequality, this be because, the incident light of different angles in liquid crystal layer, the phase difference value that is produced (PhaseRetardation) difference.According to Gu Qi-Tai Rui law (Gooch-Tarry ' s Law), light penetration and refractive index difference, path length are relevant.Because liquid crystal is commonly non-equal tropism (anisotropy); Has birefringence (Birefringence) effect; The refractive index difference of different angles liquid crystal that incident polarized light is experienced is different; It is different with the path length that different angles incident liquid crystal layer is produced to add glazing, therefore, and when viewing angle can not experienced different brightness simultaneously.In addition; The light penetration is also relevant with wavelength; Penetrance is different when facing with side-looking for different color light (for example red light, green light and blue light), and each then can produce and face color colour cast (color shift) phenomenon inequality that is shown with side-looking with after the different brightness ratio colour mixtures.How reducing the colour cast when facing with the side-looking LCD, is one of problem of endeavouring of industry.
For solving the color offset phenomenon of above-mentioned LCD; Please with reference to Fig. 1; Traditional method is that each color time pixel in each pixel 11 of LCD 10 (for example red time pixel R, green time pixel G, and blue sub-pixels B) is divided into two less sub-pixels (two red sub-pixel R1 and R2, two green sub-pixels G1 and G2, and two blue subpixels B1 and B2) simultaneously; This two subpixels is to drive with bright attitude shows signal and dark attitude shows signal respectively; To synthesize a color gray-scale value, show a color, compensation effect improves the color offset phenomenon of side-looking whereby.Yet; When improving the side-looking color offset phenomenon of LCD (dot structure that for example has three kinds combination of pixels of R/G/B) with said method; Need all impose the structural design of low colour cast (low color Shift, LCS) to its three colors time pixel (red, green, and blue sub-pixels) simultaneously, the variation of form and aspect (Hue) and the skew of white point when lowering side-looking.So required thin film transistor (TFT), gate line, and data line or the quantity of electric capacity possibly double can cause aperture opening ratio to descend, and make the brightness of LCD lower or power consumption increases.In addition, extra driving element also possibly cause cost to increase.
Therefore, be necessary to provide the color monitor of a kind of innovation and tool progressive,, keep certain demonstration level simultaneously to address the above problem.
Summary of the invention
The present invention provides a kind of display panel; Comprise: a plurality of pixels; Each pixel comprises one first color time pixel, one second color time pixel, one the 3rd color time pixel, reaches one the 4th color time pixel, and wherein this first color time pixel is made up of a clear zone and a dark space.
In above-mentioned display panel, this, pixel was to produce this clear zone and this dark space with the charge distributing mode first time.
In above-mentioned display panel, this, pixel was to produce this clear zone and this dark space with the pair transistor mode first time.
In above-mentioned display panel, this first color time pixel is a white time pixel.
In above-mentioned display panel, this second color time pixel is made up of a clear zone and a dark space.
In above-mentioned display panel, this second color time pixel is a blue sub-pixels.
In above-mentioned display panel, this second color time pixel is to show according to colored gray scale combination decision low colour cast (low color shift, the LCS) pattern of whether opening that a desire shows.
In above-mentioned display panel, the 4th color time pixel only is made up of a zone, does not have the clear zone of division and dark space.
In above-mentioned display panel, the 4th color time pixel is non-to be white time pixel.
In above-mentioned display panel, this clear zone of this first color time pixel and the polarity of this dark space are opposite.
In above-mentioned display panel, this first color time pixel has a signal line and two data signal lines.
In above-mentioned display panel, the 3rd color time pixel is adjacent along signal line direction with this clear zone of this first color time pixel, and the polarity in this clear zone of the 3rd color time pixel and this first color time pixel is opposite.
In above-mentioned display panel, the 3rd color time pixel is adjacent along signal line direction with this dark space of this first color time pixel, and the polarity of this dark space of the 3rd color time pixel and this first color time pixel is opposite.
In above-mentioned display panel, this first color time pixel has two signal lines and a data signal line.
In above-mentioned display panel, the 3rd color time pixel is adjacent along the data signal line direction with this clear zone of this first color time pixel, and the polarity in this clear zone of the 3rd color time pixel and this first color time pixel is opposite.
In above-mentioned display panel, the 3rd color time pixel is adjacent along the data signal line direction with this dark space of this first color time pixel, and the polarity of this dark space of the 3rd color time pixel and this first color time pixel is opposite.
In above-mentioned display panel, the clear zone of this first color time pixel and the area of dark space equate
In above-mentioned display panel, the clear zone of this first color time pixel and the area of dark space are unequal.
In above-mentioned display panel, this first color time pixel, second color time pixel, the 3rd color time pixel, and the area of the 4th color time pixel equate.
In above-mentioned display panel, this first color time pixel, second color time pixel, the 3rd color time pixel, and the arrangement mode of the 4th color time pixel be that square formation is arranged.
Description of drawings
For let above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, elaborate below in conjunction with the accompanying drawing specific embodiments of the invention, wherein:
Fig. 1 lists intention for conventional liquid crystal time line of pixels.
Fig. 2 lists intention for next line of pixels of the described display panel of one embodiment of the invention.
It is just seeing and is looking sideways the CIE coordinate figure of improvement to Fig. 3 for display panel shown in Figure 2.
Fig. 4 and Fig. 5 list intention for next line of pixels of the described display panel of another embodiment of the present invention.
Fig. 6 lists intention for next line of pixels of the described display panel of other embodiment of the present invention.
Fig. 7 is its electric wiring plan of the described display panel of the present invention the 1st embodiment.
Fig. 8 is the circuit framework figure of its white time pixel of the described display panel of the present invention the 1st embodiment.
Fig. 9 is its electric wiring plan of the described display panel of the present invention the 2nd embodiment.
Figure 10 is the circuit framework figure of its white time pixel of the described display panel of the present invention the 2nd embodiment.
Figure 11 is next pixel polar configurations figure of the described display panel of the present invention the 2nd embodiment.
Figure 12 is its electric wiring plan of the described display panel of the present invention the 3rd embodiment.
Figure 13 is the circuit framework figure of its white time pixel of the described display panel of the present invention the 3rd embodiment.
Figure 14 is next pixel polar configurations figure of the described display panel of the present invention the 3rd embodiment.
The main element symbol description:
10～LCD
11～pixel
R～redness time pixel,
G～green time pixel reaches
B～blue sub-pixels;
R1 and R2～red sub-pixel;
G1 and G2～green sub-pixels;
B1 and B2～blue subpixels;
100～display panel;
101～pixel;
B～blue sub-pixels;
G～green time pixel;
R～redness time pixel;
W～white time pixel;
W1, B1, G1～clear zone;
W2, B2, G2～dark space;
Cs～capacitor storage beam
D11, D12, D21, D22～data signal line;
G11, G12, G21, G22～signal line;
G11, G12, G21～shared distribution;
SW1, SW2, SW11, SW12, SW21, SW22～thin film transistor (TFT);
CST1, CST2, Csm, Css～storage capacitors
CLC1, CLC2, Cls, Clm～liquid crystal capacitance
-～negative polarity;
+～positive polarity.
Embodiment
For solving the problem that prior art suffered from; The present invention provides a kind of display panel; The a plurality of pixels of its tool; And each pixel comprises four kinds of colors time pixel, i.e. first color time pixel, second color time pixel, the 3rd color time pixel, and the 4th color time pixel (this display panel for example be have the display panel of four kinds pixels of WRGB).The known technology that is different from display panel shown in Figure 1 is the structural design that all time pixels in the dot structure is imposed low colour cast, display panel of the present invention be to time pixel of four kinds of colors in the dot structure at least one and at the most three's color time pixel impose the structural design of low colour cast.In other words, time pixel of four kinds of colors in the dot structure of the present invention, at least a color time pixel (for example the 4th color time pixel) is not imposed the structural design of low colour cast, and promptly this color time pixel only is made up of a zone, and no picture divides clear zone and dark space.
Below with conjunction with figs., with the explanation according to the image display system that comprises OLED provided by the present invention.
According to one embodiment of the invention, please with reference to Fig. 2, this display panel 100 has a plurality of pixels 101 with arranged, and each pixel has the inferior pixel W of white, red time pixel R, green time pixel G, reaches blue sub-pixels B.Wherein, this white time pixel W is imposed the structural design of low colour cast, so can be divided into a clear zone W1 and a dark space W2.The structural design that should hang down colour cast can be charge distributing mode (charge sharing type, C-S type) or pair transistor mode (two transistors type, T-T type); Can white time pixel W be divided into clear zone W1 and dark space W2 (area of this clear zone W1 and dark space W2 can be equal or unequal) when showing, show to open a low colour cast pattern.Ask for an interview Fig. 3; One has the display panel of four kinds pixels of WRGB; Its specification white point position on the CIE coordinate is labeled as circle (the desirable first-class white point herewith of W color dot, but in fact have error), and a color color dot of a certain pixel region is position shown in the square label at the CIE coordinate of positive apparent time; During side-looking; This color color dot can be offset to the side-looking CIE coordinate (position shown in the triangle label) shown in the triangle label toward white point CIE coordinate along the line of facing CIE coordinate and white point CIE coordinate, and its color saturation lowers, and color presents the effect of bleaching (wash out).And have a dot structure shown in Figure 2 the pixel display panels are arranged four kinds of WRGB time; Owing to be the structural design that white time pixel W is imposed low colour cast; Can the side-looking CIE coordinate of this color color dot be moved toward facing the CIE coordinate along the line of facing position shown in the CIE coordinate square label and white point CIE coordinate; Increase saturation degree, the side-looking CIE coordinate after improving is position shown in the star-like label.(Display Panel shown in Figure 1) compared to known techniques; Though it is preferable that known technology improves the effect of side-looking color offset phenomenon; But it is (if having the display panel of three kinds pixels of RGB then is redness, green, reach blue sub-pixels to the inferior pixel of all colours; If the display panel with four kinds of WRGB pixels then for white, red, green, and blue sub-pixels) impose the structural design of low colour cast simultaneously; Except causing its aperture opening ratio to descend (required film approaches transistor, gate line, reaches data line or the multiplication of the quantity of electric capacity), make the brightness of LCD obviously reduce, also possibly cause cost to increase.Review the present invention; Only need the white time pixel W of display panel with four kinds pixels of WRGB is imposed the structural design (being divided into clear zone W1 and dark space W2) of low colour cast, promptly only 1/4th inferior dot structure is imposed and hang down the colour cast structural design, can reach the effect of certain reduction side-looking colour cast; Reduce the skew of white point simultaneously; Also since the integrated circuit quantity of required formation compared to known techniques only its 25%, therefore can reduce the influence of pairs of openings rate, also can reduce cost.
Moreover; If only a kind of pixel of display panel with three kinds of RGB pixels (red, green, and blue sub-pixels) imposed the structural design (promptly only redness, green or blue sub-pixels being divided into clear zone and dark space) of low colour cast; Except the phenomenon that can't improve the side-looking colour cast; And the problem that form and aspect in the time of can causing side-looking (Hue) depart from; Even if under the black and white color range, also observe color (for example only blue sub-pixels is imposed the structural design of low colour cast, then be prone to observe the phenomenon of inclined to one side Huang) by side-looking easily.The problems referred to above also can take place when a kind of pixel in redness, green or the blue sub-pixels of display panel with four kinds of WRGB pixels being imposed low colour cast structural design.Review the above embodiment of the present invention; Be that white time pixel W to display panel with four kinds of WRGB pixels imposes low colour cast structural design (inferior pixel W is divided into clear zone W1 and dark space W2 with white); Because white belongs to gray tone, so the problem that hue angle departs from during side-looking is less.
The described embodiment of Fig. 2 according to the present invention; This display panel 100 its white time pixel W, red time pixel R, green time pixel G, and the arrangement mode of blue sub-pixels B be that square formation (square) is arranged, and should white time pixel W, red time pixel R, green time pixel G, and the area of blue sub-pixels B be to be equal to each other.Other embodiment according to the present invention, the white time pixel W of this display panel 100, red time pixel R, green time pixel G, and the arrangement mode of blue sub-pixels B also can be, and strip (stripe) is arranged, mosaic (mosaic) is arranged.The selection of pixel arrangement mode need be arranged in pairs or groups low colour cast structural design to reach the aperture opening ratio optimization.For instance; When its four kinds of colors of display panel time pixel of four kinds pixels of the WRGB of having of the present invention is the employing stripe-arrangement; Can use the pair transistor mode separately four kinds of colors one of them time of time pixel pixel to be imposed low colour cast structural design; Can avoid the use of when inferior pixel is arranged with square formation and partly cover pixel adjacent time, can effectively increase the aperture opening ratio of display panel.In addition, in other embodiment of the present invention, this first color time pixel, second color time pixel, the 3rd color time pixel, and the 4th colored pixels area each other also can be unequal.
When its white time dot structures of display panel of four kinds of WRGB of having of the present invention pixels is when reaching low colour cast structural design (inferior pixel W is divided into clear zone W1 and dark space W2 with white) with the charge distributing mode; The division of this clear zone W1 and dark space W2 can be left and right sides partitioning scheme (promptly dividing the boundary line and the data-signal line parallel of this clear zone and dark space); Perhaps the division of this clear zone W1 and dark space W2 can be partitioning scheme (promptly dividing the boundary line and the signal line parallel of this clear zone and dark space) up and down, and is wherein preferable with left and right sides partitioning scheme aperture opening ratio.In addition; When its white time dot structures of display panel of four kinds of WRGB of having of the present invention pixels is when reaching low colour cast structural design with the pair transistor mode; Wherein this first color time pixel (white time pixel) can be adopted the mode with two signal lines and data signal line (2G1D) and designed or adopt the mode with a signal line and two data signal lines and design (1G2D), and wherein the arrangement mode of four kinds pixels of WRGB is preferable with the stripe-arrangement aperture opening ratio.
According to another embodiment of the present invention; The pixel 101 of display panel 100 of the present invention can be imposed the low colour cast structural design except first color time pixel (white time pixel), and other colors time pixel (for example second color time pixel) also can be imposed low colour cast structural design.Please with reference to Fig. 4; This has the display panel 100 of four kinds pixels of WRGB; Its white time pixel W and blue sub-pixels B are imposed low colour cast structural design, therefore should be divided into clear zone W1 and dark space W2 by white time pixel W, and this blue sub-pixels B are divided into clear zone B1 and dark space B2.According to one embodiment of the invention; If this display panel 100 its white time pixels and blue sub-pixels are that this white time pixel and blue sub-pixels are preferably the left and right sides adjacent or neighbouring (when arranging with the square formation mode) when reaching low colour cast structural design with the pair transistor mode.In addition, according to another embodiment of the present invention, please with reference to Fig. 5, reach low colour cast structural design with the charge distributing mode, this quilt imposes the white time pixel W and the blue sub-pixels B that hang down the colour cast structural design can also diagonal way setting (when arranging with the square formation mode).Moreover; Other embodiment according to the present invention; If when selecting two kinds pixels to impose low colour cast structural design to this display panel 100 with four kinds of WRGB pixels; Except can selecting white time pixel W and blue sub-pixels B, also can select white time pixel W and red time pixel R or white time pixel W and green time pixel G.Display panel 100 with four kinds pixels of WRGB of the present invention; When selecting two kinds pixels to impose low colour cast structural design; Must comprise this white time pixel W; And another color time pixel preferable to be chosen in the human colour of skin be under the master's situation, be blue sub-pixels B, red time pixel R, and green time pixel G, and the inferior pixel R of redness in regular turn; Under the picture that with the yellow green is the master, the preferable selection of another color time pixel is blue sub-pixels B, red inferior pixel R in regular turn, reaches green time pixel G; In blueness is under master's the picture, needs the blue sub-pixels order is placed at last.Select blue sub-pixels B collocation white time pixel W to hang down the colour cast structural design; Except the side-looking colo(u)r bias improve effect preferable (because optical indicatrix (Gamma Curve) the change amplitude of blue sub-pixels B is bigger during side-looking), and carry out optimization (adjustment blue optical family curve improves significantly to colour of skin saturation degree) can be to the human colour of skin side-looking time.
Other embodiment according to the present invention; Display panel 100 with four kinds pixels of WRGB of the present invention; Its pixel 101 also can select three kinds pixels to impose low colour cast structural design; Except first color time pixel (for example: white time pixel W) can be imposed low colour cast structural design (the inferior pixel W of white is divided into clear zone W1 and dark space W2); Second color time pixel and the 3rd color time pixel (for example: blue sub-pixels B and green time pixel G) also can be imposed low colour cast structural design (blue sub-pixels B be divided into clear zone B1 and dark space B2, green time pixel G is divided into clear zone G1 and dark space G2), please with reference to Fig. 6.In addition; Other embodiment according to the present invention; If when selecting three kinds pixels to impose low colour cast structural design to this display panel 100 with four kinds of WRGB pixels; Except selecting white time pixel W, blue sub-pixels B, reaching the green inferior pixel G, also can select white time pixel W, blue sub-pixels B, reach red inferior pixel R or white time pixel W, green time pixel G, reach red time pixel R.
Please with reference to table 1, it shows known display panel and the display panel of the present invention that imposes low colour cast structural design, and colo(u)r bias is improved and the luminance loss's that caused because of the aperture opening ratio reduction comparison during its side-looking.As described in Table 1; This form is a Display Panel of supposing three kinds pixels of traditional RGB earlier; When nothing imposes low colour cast structural design with the side-looking colour cast performance that has when imposing low colour cast structure; Hypothesis the two side-looking colour cast performance earlier was respectively 0 fen and 100 fens (non-raw scores of this two mark; Only be the relative mistake distance of expressing the resulting side-looking colour cast performance of the present invention and these both marks of tradition for ease); Though the display panel that white of the present invention time pixel imposes display panel and the white of low colour cast structural design and display panel that blue sub-pixels imposes low colour cast structural design does not have four kinds of pixels of WRGB all to impose low colour cast structural design in the improvement of colour of skin colo(u)r bias during with other color side-lookings beyond the colour of skin comes well, but reached to a certain degree improve effect (relative mark has reached 40～85 interval).But it should be noted that; The integrated circuit quantity of its required formation of display panel of the present invention also can all impose the display panel minimizing 1/2nd (white and blue sub-pixels are imposed the display panel that hangs down the colour cast structural design) of low colour cast structural design than four kinds of pixels of WRGB; Even reduce 3/4ths (only white time pixel being imposed the display panel of low colour cast structural design); Except improving, also can reduce manufacturing cost (like source drivers quantity) and process complexity and raising technology yield because of aperture opening ratio reduces the luminance loss who is caused.In sum; Spirit of the present invention is whole pixels all not to be applied low colour cast structure; Only apply low colour cast structure (for example white/blue) on important relatively pixel; Lose the performance of few relatively side-looking colour cast, but more efficient obtain many benefits (aperture opening ratio, technology cost and yield ... etc.).
Table 1
Remarks 1: use the advanced algorithm
Remarks 2: use the advanced algorithm, blue LCS bypass
Remarks 3: suppose that white is 1.13 times of RGB brightness
Below by the following example, the detailed design and the structure of display panel of the present invention is described, in order to further to illustrate technical characterictic of the present invention.
Embodiment 1: with the charge distributing mode the inferior pixel of the white of WRGB display panel is imposed low colour cast structural design
Please with reference to Fig. 7, it shows that one has pixel 101 wiring diagrams of the display panel of four kinds pixels of WRGB.These pixel 101 structures comprise the red time pixel R with the box formation arrangement, green time pixel G, blue sub-pixels B, reach white time pixel W.Also be provided with active matrix driving circuit on these pixel 101 structures, in order to control the action of each time pixel.Above-mentioned active matrix driving circuit is made up of data signal line D11 and D21, signal line G11 and G21, common distribution C11 and the C21 of many orthogonal arrangements; (Thin Film Transistor, TFT) SW1 is as switch and each time pixel all has a thin film transistor (TFT).Wherein, The white time pixel W of this display panel is divided into clear zone W1 and dark space W2 (dividing mode is cut apart (boundary line of promptly dividing this clear zone and dark space is parallel with data signal line D11 and D12) about being) with the charge distributing mode; And signal line G21 is provided with thin film transistor (TFT) (Thin FilmTransistor, TFT) the pixel electrode coupling of SW2 and this dark space W2.
Fig. 8 illustrates the circuit framework figure of its white of described pixel 101 structures of Fig. 7 time pixel W, and the white time pixel W that this quilt imposes low colour cast structural design comprises a clear zone W1 and a dark space W2.In first sub-pixel 110, the grid impulse that thin film transistor (TFT) SW1 can be transmitted according to signal line G11 and conducting.At this moment, the source voltage that is transmitted via data line signal D21 can be stored among storage capacitors CST1 and the liquid crystal capacitance CLC1.Relatively, this moment, the thin film transistor (TFT) SW 1 of dark space W2 also can present conducting state, and therefore storage capacitors CST2 and the liquid crystal capacitance CLC2 of dark space W2 also can be written into source voltage.After clear zone W1 and dark space W2 were written into source voltage, thin film transistor (TFT) SW1 closed, and dark space W2 brightness this moment equates with clear zone W1.Then, thin film transistor (TFT) SW2 opens, the grid impulse that thin film transistor (TFT) SW2 then can be transmitted according to signal line G21 and conducting.At this moment, have potential difference (PD) between liquid crystal capacitance CLC2 and the building-out capacitor CCN1 and between storage capacitors CST2 and the building-out capacitor CCN1, so electric charge wherein will distribute, it is little that clear zone W1 is compared in dark space W2 brightness.Whereby, white time pixel W carries out colour mixture with clear zone W1 capable of using and dark space W2 with different penetration variable quantities, can be close with the penetration variable quantity that causes the side-looking angle with the penetration variable quantity of facing, and then reduce colour cast and the not enough situation of color saturation.
Embodiment 2: with the pair transistor mode white of WRGB display panel and blue sub-pixels are imposed low colour cast structural design (2D1G)
Please with reference to Fig. 9, it shows that one has pixel 101 wiring diagrams of the display panel of four kinds pixels of WRGB.These pixel 101 structures comprise the red time pixel R with the box formation arrangement, green time pixel G, blue sub-pixels B, reach white time pixel W.Also be provided with active matrix driving circuit on these pixel 101 structures, in order to control the action of each time pixel.Above-mentioned active matrix driving circuit is made up of data signal line D11, D21 and D22, signal line G11 and the G21 of many orthogonal arrangements, common distribution (C11 and C12); And red pixel R, and green time pixel G has a thin film transistor (TFT), and (Thin FilmTransistor, TFT) SW11 is as switch.In addition; The white time pixel W of this display panel and blue sub-pixels B are divided into clear zone W1, B1 and dark space W2, B2 (being to reach low colour cast structural design with a signal line and two data signal line modes (2D1G)) with the pair transistor mode, and the clear zone W1 of white time pixel W and dark space W2 (the clear zone B1 of this blue sub-pixels B and dark space B2) are respectively with thin film transistor (TFT) SW21 and thin film transistor (TFT) SW22 control.
Figure 10 is the circuit framework figure that illustrates its white of described pixel 101 structures of Fig. 9 time pixel W, and this white time pixel W is divided into clear zone W1 and dark space W2.Clear zone W1 comprises a thin film transistor (TFT) SW21, and dark space W2 comprises a thin film transistor (TFT) SW22.The drain electrode of this thin film transistor (TFT) SW21 and SW22 is electrically connected on a storage capacitors Csm, Css and a liquid crystal capacitance Clm, Cls equally respectively.Two data signal line D21 among Figure 10, D22, one is the source electrode that the data signal line D21 of clear zone W1 is electrically connected on thin film transistor (TFT) SW21, one is the source electrode that the data signal line D22 of dark space W2 is electrically connected on thin film transistor (TFT) SW22.Data signal line D21 and data signal line D22 export different source voltages respectively, with the brightness of the reaching clear zone W1 brightness greater than dark space W2.In addition, clear zone W1 and dark space W2 common grid signal wire G11 are electrically connected on the grid of thin film transistor (TFT) SW21 and SW22.Can control with thin film transistor (TFT) SW21 and SW22 respectively based on above-mentioned this clear zone W1 and dark space W2; The penetration variable quantity that clear zone W1 capable of using and dark space W2 are different carries out colour mixture; Penetration variable quantity to cause the side-looking angle can be close with the penetration variable quantity of facing, and then reduce colour cast and the not enough situation of color saturation.
Figure 11 is embodiment 2 described polar configurations with next pixel of WRGB display panel of white and the low colour cast structure of blue sub-pixels ,+representing positive polarity ,-representing negative polarity.By knowing among the figure, wherein should white this clear zone W1 and the polarity opposite (polarity of this clear zone B1 of blue sub-pixels B and this dark space B2 is opposite) of this dark space W2 of time pixel W.In addition; This redness time pixel R is adjacent along signal line G11 direction with this clear zone W1 of this white time pixel W; And should redness time pixel R (for example negative polarity) be polarity with this clear zone W1 (for example positive polarity) of this white time pixel opposite (, then should redness time pixel R opposite) with the polarity of dark space W2 if dark space W2 is adjacent with red time pixel R.Reversal of poles mode shown in Figure 11 is two-wire counter-rotating (two-line inversion) mode; Other implement also to can be counter-rotating (dot inversion) mode or row counter-rotating (column inversion) in the present invention, improve film flicker and grid point phenomenon.
Embodiment 3: with the pair transistor mode white of WRGB display panel and blue sub-pixels are imposed low colour cast structural design (2G1D)
Please with reference to Figure 12, it shows that one has pixel 101 wiring diagrams of the display panel of four kinds pixels of WRGB.These pixel 101 structures comprise the red time pixel R with the box formation arrangement, green time pixel G, blue sub-pixels B, reach white time pixel W.Also be provided with active matrix driving circuit on these pixel 101 structures, in order to control the action of each time pixel.Above-mentioned active matrix driving circuit is made up of the data signal line D11 of many orthogonal arrangements and D21, signal line G11, G12 and G21, common distribution (C11, C12 and C21); And red pixel R, and green time pixel G has a thin film transistor (TFT), and (ThinFilm Transistor, TFT) SW21 is as switch.In addition; The white time pixel W of this display panel and blue sub-pixels B are divided into clear zone W1, B1 and dark space W2, B2 (being to reach low colour cast structural design with two signal lines and a data signal line mode (2G1D)) with the pair transistor mode, and the clear zone W1 of white time pixel W and dark space W2 (the clear zone B1 of this blue sub-pixels B and dark space B2) are respectively with thin film transistor (TFT) SW11 and thin film transistor (TFT) SW12 control.
Figure 13 illustrates the circuit framework figure of its white of described pixel 101 structures of the 12nd figure time pixel W, and this white time pixel W is divided into clear zone W1 and dark space W2.Clear zone W1 comprises a thin film transistor (TFT) SW11, and dark space W2 comprises a thin film transistor (TFT) SW12.Thin film transistor (TFT) SW12 drain electrode is to be electrically connected on a storage capacitors Css and a liquid crystal capacitance Cls.Article two, signal line G11, G12, one is the grid that the signal line G11 of clear zone W1 is electrically connected on thin film transistor (TFT) SW11, one is the grid that the signal line G12 of dark space W2 is electrically connected on thin film transistor (TFT) SW12.Article one, be clear zone W1 and the data shared signal wire D11 of dark space W2 institute, be electrically connected on the source electrode of thin film transistor (TFT) SW11 and SW12.Also have one be clear zone W1 and dark space W2 shared capacitor storage beam Cs line, be electrically connected on the storage capacitors Csm of clear zone W1 and dark space W2 and the other end of Css.Its type of drive is for example: when the very first time at interval, thin film transistor (TFT) SW11 and thin film transistor (TFT) SW12 open simultaneously, this moment, data signal line D11 exported first source voltage, clear zone W1 and dark space W2 all have first brightness; When second time interval, thin film transistor (TFT) SW11 closes, and thin film transistor (TFT) SW12 is held open, and this moment, data signal line D11 exported second source voltage, and dark space W2 has second brightness.Can control with thin film transistor (TFT) SW11 and SW12 respectively based on above-mentioned this clear zone W1 and dark space W2; The penetration variable quantity that clear zone W1 capable of using and dark space W2 are different carries out colour mixture; Penetration variable quantity to cause the side-looking angle can be identical with the penetration variable quantity of facing near, and then solve the problem condition that reduces colour cast and color saturation deficiency.
Figure 14 is embodiment 3 described polar configurations with next pixel of WRGB display panel of white and the low colour cast structure of blue sub-pixels ,+representing positive polarity ,-representing negative polarity.By knowing among the figure, wherein should white this clear zone W1 and the polarity opposite (polarity of this clear zone B1 of blue sub-pixels B and this dark space B2 is opposite) of this dark space W2 of time pixel W.In addition; This green time pixel G is adjacent along data signal line D11 direction with this clear zone W2 of this white time pixel W; And should green time pixel G (for example negative polarity) be polarity with this clear zone W2 (for example positive polarity) of this white time pixel opposite (, then should green time pixel G opposite) with the polarity of dark space W1 if clear zone W1 is adjacent with green time pixel G.Reversal of poles mode shown in Figure 14 is two-wire counter-rotating (two-line inversion) mode; Other implement also to can be counter-rotating (dot inversion) mode or row counter-rotating (column inversion) in the present invention, improve film flicker and grid point phenomenon.
Though the present invention discloses as above with preferred embodiment; Right its is not that any those skilled in the art are not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing a little modification and perfect, so protection scope of the present invention is when being as the criterion with what claims defined.
Claims (20)
1. display panel comprises:
A plurality of pixels, each pixel comprise one first color time pixel, one second color time pixel, one the 3rd color time pixel, reach one the 4th color time pixel, and wherein this first color time pixel is made up of a clear zone and a dark space.
2. display panel as claimed in claim 1 is characterized in that, this, pixel was to produce this clear zone and this dark space with the charge distributing mode first time.
3. display panel as claimed in claim 1 is characterized in that, this, pixel was to produce this clear zone and this dark space with the pair transistor mode first time.
4. display panel as claimed in claim 1 is characterized in that, this first color time pixel is a white time pixel.
5. display panel as claimed in claim 1 is characterized in that, this second color time pixel is made up of a clear zone and a dark space.
6. display panel as claimed in claim 5 is characterized in that, this second color time pixel is a blue sub-pixels.
7. display panel as claimed in claim 5 is characterized in that, this second color time pixel is to show according to the colored gray scale combination decision low colour cast pattern of whether opening that a desire shows.
8. display panel as claimed in claim 1 is characterized in that, the 4th color time pixel only is made up of a zone, does not have the clear zone of division and dark space.
9. display panel as claimed in claim 8 is characterized in that, the 4th color time pixel is non-to be white time pixel.
10. display panel as claimed in claim 3 is characterized in that, this clear zone of this first color time pixel and the polarity of this dark space are opposite.
11. display panel as claimed in claim 3 is characterized in that, this first color time pixel has a signal line and two data signal lines.
12. display panel as claimed in claim 11; It is characterized in that; The 3rd color time pixel is adjacent along signal line direction with this clear zone of this first color time pixel, and the polarity in this clear zone of the 3rd color time pixel and this first color time pixel is opposite.
13. display panel as claimed in claim 11; It is characterized in that; The 3rd color time pixel is adjacent along signal line direction with this dark space of this first color time pixel, and the polarity of this dark space of the 3rd color time pixel and this first color time pixel is opposite.
14. display panel as claimed in claim 3 is characterized in that, this first color time pixel has two signal lines and a data signal line.
15. display panel as claimed in claim 14; It is characterized in that; The 3rd color time pixel is adjacent along the data signal line direction with this clear zone of this first color time pixel, and the polarity in this clear zone of the 3rd color time pixel and this first color time pixel is opposite.
16. display panel as claimed in claim 14; It is characterized in that; The 3rd color time pixel is adjacent along the data signal line direction with this dark space of this first color time pixel, and the polarity of this dark space of the 3rd color time pixel and this first color time pixel is opposite.
17. display panel as claimed in claim 1 is characterized in that, the clear zone of this first color time pixel and the area of dark space equate
18. display panel as claimed in claim 1 is characterized in that, the clear zone of this first color time pixel and the area of dark space are unequal.
19. display panel as claimed in claim 1 is characterized in that, this first color time pixel, second color time pixel, the 3rd color time pixel, and the area of the 4th color time pixel equate.
20. display panel as claimed in claim 1 is characterized in that, this first color time pixel, second color time pixel, the 3rd color time pixel, and the arrangement mode of the 4th color time pixel be that square formation is arranged.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162320A (en) * | 2006-10-10 | 2008-04-16 | 株式会社日立显示器 | Color display, liquid crystal display, and translucent liquid crystal display |
| CN101216645A (en) * | 2008-01-04 | 2008-07-09 | 昆山龙腾光电有限公司 | Low color error liquid crystal display and its driving method |
| CN101268499A (en) * | 2005-09-21 | 2008-09-17 | 夏普株式会社 | Display device and color filter substrate |
| US20090295703A1 (en) * | 2008-05-30 | 2009-12-03 | Chi Mei Optoelectronics Corp. | Liquid crystal display panel and driving method thereof |
| WO2010073693A1 (en) * | 2008-12-26 | 2010-07-01 | シャープ株式会社 | Liquid crystal display device |
-
2011
- 2011-04-22 CN CN201110112085.9A patent/CN102749751B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268499A (en) * | 2005-09-21 | 2008-09-17 | 夏普株式会社 | Display device and color filter substrate |
| CN101162320A (en) * | 2006-10-10 | 2008-04-16 | 株式会社日立显示器 | Color display, liquid crystal display, and translucent liquid crystal display |
| CN101216645A (en) * | 2008-01-04 | 2008-07-09 | 昆山龙腾光电有限公司 | Low color error liquid crystal display and its driving method |
| US20090295703A1 (en) * | 2008-05-30 | 2009-12-03 | Chi Mei Optoelectronics Corp. | Liquid crystal display panel and driving method thereof |
| WO2010073693A1 (en) * | 2008-12-26 | 2010-07-01 | シャープ株式会社 | Liquid crystal display device |
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Address after: Taiwan, China 350 Hsinchu science and Technology Industrial Park, Miaoli County, Southern Town, science Road, No. 160 Applicant after: Innolux Display Group Applicant after: Qunkang Technology (Shenzhen) Co., Ltd. Address before: Taiwan, China 350 Hsinchu science and Technology Industrial Park, Miaoli County, Southern Town, science Road, No. 160 Applicant before: Chimei Optoelectronics Co., Ltd. Applicant before: Qunkang Technology (Shenzhen) Co., Ltd. |
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