CN101441352A - LCD device - Google Patents
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- CN101441352A CN101441352A CNA2008101852925A CN200810185292A CN101441352A CN 101441352 A CN101441352 A CN 101441352A CN A2008101852925 A CNA2008101852925 A CN A2008101852925A CN 200810185292 A CN200810185292 A CN 200810185292A CN 101441352 A CN101441352 A CN 101441352A
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Abstract
A liquid crystal display reduces the light leak in dark by arranging the first one-quarter wave retardation film and the nematic mixed alignment film to achieve a high-contrast and solves the color cast problem by providing the gamma curve to the liquid crystal display panel by utilizing the gamma drive chip, in which the gamma curve has different colors, pixels and are independent. In additional, the liquid crystal display can arrange a second one-quarter wave retardation film to reduce the light leak when viewing the liquid crystal display from a large visual angle direction in order to further improve the contrast.
Description
Technical field
The present invention relates to a kind of LCD, refer to a kind of LCD especially with high contrast, wide viewing angle and low colour cast.
Background technology
Electrically (Electrically controlled birefringence, ECB) therefore LCD becomes one of LCD of present widespread use owing to having advantages such as high aperture and technology are simple to the control birefringence mode.Please refer to Fig. 1 and Fig. 2.Fig. 1 and Fig. 2 are the synoptic diagram of known electrical control birefringence type liquid crystal display panel, wherein Fig. 1 has illustrated the synoptic diagram of known electrical control birefringence type liquid crystal display panel when bright attitude, and Fig. 2 has then illustrated the synoptic diagram of known electrical control birefringence type liquid crystal display panel when dark attitude.Electrically control birefringence type liquid crystal display panel 10 is white (normally white) the type display panels of nature, it comprises two substrates 12,14, and liquid crystal molecule 16 is filled between the substrate 12,14, and liquid crystal molecule 16 can be arranged along friction (rubbing) direction on substrate 12,14 surfaces.As shown in Figure 1, do not applying under the voltage condition, liquid crystal molecule 16 can lie low between substrate 12,14 along frictional direction, and the polarized light that is entered electrical control birefringence type liquid crystal display panel 10 this moment by substrate 12 back sides can have the maximal phase potential difference after by liquid crystal molecule 16 and can demonstrate bright attitude.As shown in Figure 2, be dark attitude voltage (V applying voltage
Dark) situation under, liquid crystal molecule 16 can be subjected to the driving of electric field and stand, the polarized light that enter electrical control birefringence type liquid crystal display panel 10 by substrate 12 back sides this moment demonstrates dark attitude can diminishing by the phase differential behind the liquid crystal molecule 16.Yet, owing to the liquid crystal molecule 16 near two substrates 12,14 surfaces can be because the friction on substrate 12,14 surfaces produces powerful anchorage force (anchoring force), even therefore applying under the voltage condition, the liquid crystal molecule 16 on close substrate 12,14 surfaces still can be in the state that lies low and can't stand.Under this situation, the liquid crystal molecule 16 that close substrate 12,14 near surfaces lie low can influence the phase differential by polarized light, and make and to watch light leak when direction is watched picture with great visual angle, and then influence the contrast of display panels beholder under the dark attitude.
In addition, liquid crystal molecule 16 itself has the characteristic of chromatic dispersion, that is liquid crystal molecule 16 can produce different phase differential for the light of different wave length, therefore can produce the colour cast problem.For example, the blue light by liquid crystal molecule 16 can have maximum phase differential, therefore regular meeting's luminescent picture problem of indigo plant partially when showing black picture.
Summary of the invention
One of purpose of the present invention is to provide a kind of LCD, to promote contrast and to solve the colour cast problem.
For reaching above-mentioned purpose, the invention provides a kind of LCD, it comprises display panels, first polaroid, first one-quarter wavelength retardation film, to row mixed orientation film, second polaroid and many gammas chip for driving.Display panels comprises incidence surface and exiting surface, and display panels has slow axis.First polaroid is arranged at a side of the incidence surface of display panels, and first polaroid has first penetrating shaft.First one-quarter wavelength retardation film is arranged between the display panels and first polaroid, and first one-quarter wavelength retardation film has slow axis.Be arranged between the display panels and first one-quarter wavelength retardation film to row mixed orientation film, and have slow axis to row mixed orientation film.Second polaroid is arranged at a side of the exiting surface of display panels, and second polaroid has second penetrating shaft.Many gammas chip for driving provides the different colours pixel of display panels different and gamma curve independently respectively.First penetrating shaft of first polaroid is substantially perpendicular to second penetrating shaft of second polaroid, the slow axis of first one-quarter wavelength retardation film is substantially perpendicular to the slow axis to row mixed orientation film, be parallel to the slow axis of display panels substantially to the slow axis of row mixed orientation film, and the angle of first penetrating shaft of the slow axis of first one-quarter wavelength retardation film and first polaroid is greater than 0 degree and less than 90 degree.
LCD of the present invention reaches high-contrast by first one-quarter wavelength retardation film being set and to row mixed orientation film, can reducing the light leak under the dark attitude state.In addition, provide different and gamma curve independently to the different colours pixel of display panels respectively, can solve the colour cast problem by many gammas chip for driving.
Description of drawings
Fig. 1 and Fig. 2 are the synoptic diagram of known electrical control birefringence type liquid crystal display panel.
Fig. 3 and Fig. 4 are the synoptic diagram of the LCD of the preferred embodiment of the present invention.
Fig. 5 A is the synoptic diagram of bright morphotype formula of the display panels of present embodiment.
Fig. 5 B represents the change in polarity of display panels light under bright morphotype formula with Poincare sphere.
Fig. 6 A is the synoptic diagram of the dark morphotype formula of present embodiment display panels.
Fig. 6 B represents the change in polarity of display panels light under dark morphotype formula with Poincare sphere.
Fig. 7 and Fig. 8 are the synoptic diagram of the LCD of another preferred embodiment of the present invention.
Fig. 9 is the synoptic diagram of bright morphotype formula of the display panels of present embodiment.
Figure 10 is the synoptic diagram of dark morphotype formula of the display panels of present embodiment.
Figure 11 is the graph of a relation that applies voltage and penetrance of LCD of the present invention.
Description of reference numerals
10: electrically control birefringence type liquid crystal display panel
12: substrate 14: substrate
16: liquid crystal molecule 30: LCD
32: display panels 321: thin film transistor base plate
322: colored filter substrate 323: liquid crystal molecule
324: incidence surface 325: exiting surface
32R: red pixel 32G: green pixel
32B: blue pixel 32S: slow axis
34: the first polaroid 34T: first penetrating shaft
36: the first one-quarter wavelength retardation film
36S: slow axis 38: to row mixed orientation film
38S: 40: the second polaroids of slow axis
40T: second penetrating shaft 42: many gammas chip for driving
44: 46: the second one-quarter wavelength retardation film of backlight module
46S: slow axis 50: LCD
Embodiment
For making one of ordinary skill in the art can further understand the present invention, hereinafter the spy enumerates several preferred embodiments of the present invention, and conjunction with figs., describe in detail constitution content of the present invention and the effect desiring to reach.
Please refer to Fig. 3 and Fig. 4.Fig. 3 and Fig. 4 are the synoptic diagram of the LCD of the preferred embodiment of the present invention, wherein Fig. 3 has illustrated the diagrammatic cross-section of the LCD of present embodiment, and Fig. 4 illustrated present embodiment each rete of LCD slow axis or penetrate the synoptic diagram of axial relativeness.As shown in Figure 3, the LCD 30 of present embodiment comprises display panels 32, first polaroid 34, first one-quarter wavelength retardation film 36, to row mixed orientation (hybrid aligned nematic) film 38, second polaroid 40, many gammas chip for driving 42, and backlight module 44.Display panels 32 comprises thin film transistor base plate 321, colored filter substrate 322, and liquid crystal molecule 323 is filled between thin film transistor base plate 321 and the colored filter substrate 322, wherein thin film transistor base plate 321 is an incidence surface 324 in the face of a side of backlight module 44, and colored filter substrate 322 then is an exiting surface 325 with respect to the opposite side of thin film transistor base plate 321.In addition, display panels 32 comprises a plurality of red pixel 32R, green pixel 32G and blue pixel 32B, respectively in order to show red picture, green picture and blue picture.First polaroid 34 is arranged at a side of the incidence surface 324 of display panels 32.First one-quarter wavelength retardation film 36 is arranged between the display panels 32 and first polaroid 34.Be arranged between the display panels 32 and first one-quarter wavelength retardation film 36 to row mixed orientation film 38.Second polaroid 40 is arranged at a side of the exiting surface 325 of display panels 32.In addition, many gammas chip for driving 42 of present embodiment is that three gammas drive (three gamma driver) chip, red pixel 32R, green pixel 32G and the blue pixel 32B of the corresponding display panels 32 of difference, provide different and gamma curve independently to red pixel 32R, the green pixel 32G of display panels 32 and blue pixel 32B respectively thus, wherein the technology contents that drives about three gammas can be with reference to TaiWan, China patent announcement number No. 473628, and its content is incorporated declared range of the present invention into.About relevant information to row mixed orientation film, for example can be referring to U.S. Pat 6,977,700 and Taiwan patent documentation TWI238913, the related content of above-mentioned patent quoted be incorporated into this.
As shown in Figure 4, display panels 32 has that slow axis 32S, first polaroid 34 have the first penetrating shaft 34T, first one-quarter wavelength retardation film 36 has slow axis 36S, has slow axis 38S to row mixed orientation film 38, and second polaroid 40 then has the second penetrating shaft 40T.In the present embodiment, the first penetrating shaft 34T of first polaroid 34 is substantially perpendicular to the second penetrating shaft 40T of second polaroid 40, the slow axis 36S of first one-quarter wavelength retardation film 36 is substantially perpendicular to the slow axis 38S to row mixed orientation film 38, be parallel to the slow axis 32S of display panels 32 substantially but both directions are opposite to the slow axis 38S of row mixed orientation film 38, and the angle of the first penetrating shaft 34T of the slow axis 36S of first one-quarter wavelength retardation film 36 and first polaroid 34 is greater than 0 degree and less than 90 degree.For example, if the direction of the second penetrating shaft 40T of second polaroid 40 is made as 0 degree, and be forward in a clockwise direction, then the slow axis of other each rete or penetrating shaft direction can following angle be represented: the direction of the slow axis 36S of first one-quarter wavelength retardation film 36 greater than 0 the degree but less than 90 the degree, for example be 45 the degree but not as limit; To the direction of the slow axis 38S of row mixed orientation film 38 for-45 degree but can do appropriateness adjustment; The direction of the slow axis 32S of display panels 32 is 135 degree but can does appropriateness adjustment; The direction of the first penetrating shaft 34T of first polaroid 34 is 90 degree.
The display panels 32 of present embodiment is selected electrical control birefringence type liquid crystal display panel for use, therefore LCD 30 is the white type LCD of nature, but the kind of LCD 30 is as limit, and can select the LCD of other applicable design of the present invention for use.In the present embodiment, LCD 30 has bright morphotype formula and dark morphotype formula, wherein by the above-mentioned first penetrating shaft 34T, the second penetrating shaft 40T, the slow axis 36S of first one-quarter wavelength retardation film 36, to the slow axis 38S of row mixed orientation film 38, and the relative angle of the slow axis 32S of display panels 32 configuration, under bright morphotype formula, the liquid crystal molecule 323 of display panels 32 can be considered 1/2nd wavelength phase shift films, and can be considered one-quarter wavelength retardation film to row mixed orientation film 38; Under dark morphotype formula, the liquid crystal molecule 323 of display panels 32 is with both can be considered as one-quarter wavelength retardation film jointly to row mixed orientation film 38.Please refer to Fig. 5 A to Fig. 6 B.Fig. 5 A is the synoptic diagram of bright morphotype formula of the display panels of present embodiment, Fig. 5 B is with the change in polarity of Poincare sphere (poincare sphere) expression display panels light under bright morphotype formula, Fig. 6 A is the synoptic diagram of the dark morphotype formula of present embodiment display panels, and Fig. 6 B represents the change in polarity of display panels light under dark morphotype formula with Poincare sphere.Shown in Fig. 5 A and Fig. 5 B, under bright morphotype formula, first one-quarter wavelength retardation film 36 have the quarter-wave long delay effect, also have the effect of quarter-wave long delay to row mixed orientation film 38, the liquid crystal molecule 323 of display panels 32 then has 1/2nd wavelength carryover effects, so the change in polarity of light can be as follows:
Phase one P1: the natural light that backlight module 44 sends can be converted into first linearly polarized light (parallel with the direction of the first penetrating shaft 34T of first polaroid 34), for example S linearly polarized light after by first polaroid 34;
Subordinate phase P2: first linearly polarized light can be converted into first circularly polarized light after by first one-quarter wavelength retardation film 36, for example left circularly polarized light (leftcir cularly polarized light);
Phase III P3: first circularly polarized light can be converted into first linearly polarized light by what have a quarter-wave carryover effects again behind row mixed orientation film 38;
Quadravalence section P4: first linearly polarized light can be converted into second linearly polarized light after by liquid crystal molecule 323, for example the P linearly polarized light.
Because second linearly polarized light is parallel with the second penetrating shaft 40T of second polaroid 40, so can pass second polaroid 40.Therefore, LCD 30 can demonstrate bright attitude state.
Shown in Fig. 6 A and Fig. 6 B, after having applied dark attitude voltage, most liquid crystal molecule 323 can be stood, but the liquid crystal molecule 323 near thin film transistor base plate 321 and colored filter substrate 323 surfaces still is in lying status, therefore the carryover effects of liquid crystal molecule 323 can be less than quarter-wave, to the wavelength carryover effects of row mixed orientation film 38 then can compensate the wavelength carryover effects of liquid crystal molecule 323 and make liquid crystal molecule 323 with reach quarter-wave to the common wavelength carryover effects of row mixed orientation film 38.Therefore the change in polarity of light can be as follows:
Phase one P1: the natural light that backlight module 44 sends can be converted into first linearly polarized light after by first polaroid 34;
Subordinate phase P2: first linearly polarized light can be converted into first circularly polarized light after by first one-quarter wavelength retardation film 36;
Phase III P3: first circularly polarized light is by being converted into elliptically polarized light behind row mixed orientation film 38;
Quadravalence section P4: elliptically polarized light can be converted into first linearly polarized light after by liquid crystal molecule 323.
Because first linearly polarized light is vertical with the second penetrating shaft 40T of second polaroid 40, so can't pass second polaroid 40.Therefore, LCD 30 can demonstrate dark attitude state.
Please refer to Fig. 7 and Fig. 8.Fig. 7 and Fig. 8 are the synoptic diagram of the LCD of another preferred embodiment of the present invention, wherein Fig. 7 has illustrated the diagrammatic cross-section of the LCD of present embodiment, and Fig. 8 illustrated present embodiment each rete of LCD slow axis or penetrate the synoptic diagram of axial relativeness.For simplified illustration and be beneficial to the similarities and differences of comparison present embodiment and previous embodiment, the accompanying drawing of present embodiment uses identical label mark components identical with the accompanying drawing of previous embodiment, and no longer similar elements is given unnecessary details, and following explanation will only be described in detail at not existing together of two embodiment.As shown in Figure 7, be different from the LCD 30 of previous embodiment, the LCD 50 of present embodiment comprises second one-quarter wavelength retardation film 46 in addition, is arranged between second polaroid 40 and the display panels 32.As shown in Figure 8, the slow axis 46S of second one-quarter wavelength retardation film 46 is parallel with the first penetrating shaft 34T of first polaroid 34 substantially, yet the slow axis 46S of second one-quarter wavelength retardation film 46 also can be parallel with the second penetrating shaft 40T of second polaroid 40.
Refer again to Fig. 9 and Figure 10.Fig. 9 is the synoptic diagram of bright morphotype formula of the display panels of present embodiment, and Figure 10 is the synoptic diagram of dark morphotype formula of the display panels of present embodiment.As shown in Figure 9, under bright morphotype formula, first one-quarter wavelength retardation film 36 have the quarter-wave long delay effect, also have the effect of quarter-wave long delay to row mixed orientation film 38, and 323 of the liquid crystal molecules of display panels 32 have 1/2nd wavelength carryover effects.In addition, because the direction of the first penetrating shaft 34T that direction and first polaroid 34 are set of second one-quarter wavelength retardation film 46 or the second penetrating shaft 40T of second polaroid 40 is parallel, therefore do not have the wavelength carryover effects for linearly polarized light, and the effect that second one-quarter wavelength retardation film 46 is set is to reduce issuable light leak when direction is watched LCD 50 with great visual angle, with further raising contrast.The change in polarity of the light of present embodiment can be as follows:
Phase one P1: the natural light that backlight module 44 sends can be converted into first linearly polarized light after by first polaroid 34, for example the S linearly polarized light;
Subordinate phase P2: first linearly polarized light can be converted into first circularly polarized light after by first one-quarter wavelength retardation film 36, for example left circularly polarized light;
Phase III P3: first circularly polarized light can be converted into first linearly polarized light by what have a quarter-wave carryover effects again behind row mixed orientation film 38;
Quadravalence section P4: first linearly polarized light can be converted into second linearly polarized light after by liquid crystal molecule 323, for example the P linearly polarized light;
Five-stage P5: because the direction of the second penetrating shaft 40T of the first penetrating shaft 34T of the direction of the slow axis 46S of second one-quarter wavelength retardation film 46 and first polaroid 34 or second polaroid 40 is parallel, that is the polarization direction of the direction of the slow axis 46S of second one-quarter wavelength retardation film 46 and second linearly polarized light is perpendicular or parallel, therefore can not change the polarization direction of second linearly polarized light.
Because second linearly polarized light is parallel with the second penetrating shaft 40T of second polaroid 40, so can pass second polaroid 40.Therefore, LCD 50 can demonstrate bright attitude state.
As shown in figure 10, after having applied dark attitude voltage, most liquid crystal molecule 323 can be stood, but the liquid crystal molecule 323 near thin film transistor base plate 321 and colored filter substrate 323 surfaces still is in lying status, therefore the carryover effects of liquid crystal molecule 323 can be less than quarter-wave, to the wavelength carryover effects of row mixed orientation film 38 then can compensate the carryover effects of liquid crystal molecule 323 and make liquid crystal molecule 323 with reach quarter-wave to the common wavelength carryover effects of row mixed orientation film 38.Therefore the change in polarity of light can be as follows:
Phase one P1: the natural light that backlight module 44 sends can be converted into first linearly polarized light after by first polaroid 34;
Subordinate phase P2: first linearly polarized light can be converted into first circularly polarized light after by first one-quarter wavelength retardation film 36;
Phase III P3: first circularly polarized light is by being converted into elliptically polarized light behind row mixed orientation film 38;
Quadravalence section P4: elliptically polarized light can be converted into first linearly polarized light after by liquid crystal molecule 323;
Five-stage P5:, so can not change the polarization direction of first linearly polarized light because the direction of the second penetrating shaft 40T of the first penetrating shaft 34T of the direction of the slow axis 46S of second one-quarter wavelength retardation film 46 and first polaroid 34 or second polaroid 40 is parallel.
Because first linearly polarized light is vertical with the second penetrating shaft 40T of second polaroid 40, so can't pass second polaroid 40.Therefore, LCD 50 can demonstrate dark attitude state.
From the above, LCD of the present invention by be provided with first one-quarter wavelength retardation film with to row mixed orientation film, can compensate the problem of liquid crystal molecule phase differential deficiency under dark attitude state, and produce light leak can avoid dark attitude state the time, and, can further reduce the light leak of watching LCD to watch by direction with great visual angle by second one-quarter wavelength retardation film is set.In addition as previously mentioned, because liquid crystal molecule can produce different phase differential for the light of different wave length, therefore be easy to generate the colour cast problem, and at the colour cast problem, the present invention use many gammas chip for driving provide respectively the different colours pixel of display panels different and independently the mode of gamma curve solve.
Please refer to Figure 11, and please in the lump with reference to figure 3.Figure 11 is the graph of a relation that applies voltage and penetrance of LCD of the present invention.As shown in figure 11, ruddiness, green glow and blue light apply voltage-penetrance curve and inequality, wherein the dark attitude voltage of the red pixel 32R dark attitude voltage that is about 3.2V, the green pixel 32G dark attitude voltage that is about 3.45V, blue pixel 32B is about 4.1V.Under this situation,, for example use the pixel of the dark attitude voltage 3.2V control all colours of red pixel 32R, then because the penetrance of blue light under this magnitude of voltage is too high, so tangible blue light light leak can occur if use single dark attitude voltage to be benchmark.Therefore, the present invention uses for example three gamma chip for driving of many gammas chip for driving 42, cooperates red pixel 32R, green pixel 32G to provide liquid red pixel 32R, green pixel 32G the dark attitude voltage different with blue pixel 32B with the voltage-penetrance curve that applies of blue pixel 32B respectively.For instance, three gamma chip for driving can provide the red pixel 32R first dark attitude voltage, green pixel 32G is provided the second dark attitude voltage, and blue pixel 32B is provided the 3rd dark attitude voltage, and the first dark attitude voltage is less than the second dark attitude voltage, and the second dark attitude voltage is less than the 3rd dark attitude voltage.For example the first dark attitude voltage can be 3.2V, the second dark attitude voltage is 3.45V, and the 3rd dark attitude voltage is 4.1V.Thus, all pixel regions all can be in the darkest attitude really under dark attitude state, and can not produce the colour cast problem.
In sum, LCD of the present invention by first one-quarter wavelength retardation film is set, to the row mixed orientation film and second one-quarter wavelength retardation film, can reduce the light leak under the dark attitude state, reach high-contrast, and can solve the colour cast problem by many gammas chip for driving.
The above only is the preferred embodiments of the present invention, and all equivalent variations and modifications of doing according to claim of the present invention all should belong to covering scope of the present invention.
Claims (10)
1. LCD comprises:
Display panels comprises incidence surface and exiting surface, and this display panels has slow axis;
First polaroid is arranged at a side of this incidence surface of this display panels, and wherein this first polaroid has first penetrating shaft;
First one-quarter wavelength retardation film is arranged between this display panels and this first polaroid, and wherein this first one-quarter wavelength retardation film has slow axis;
To row mixed orientation film, be arranged between this display panels and this first one-quarter wavelength retardation film, wherein should have slow axis to row mixed orientation film;
Second polaroid is arranged at a side of this exiting surface of this display panels, and wherein this second polaroid has second penetrating shaft; And
Many gammas chip for driving provides different and gamma curve independently to the different colours pixel of this display panels respectively;
Wherein this first penetrating shaft of this first polaroid is substantially perpendicular to this second penetrating shaft of this second polaroid, this slow axis of this first one-quarter wavelength retardation film is substantially perpendicular to this this slow axis to row mixed orientation film, this this slow axis to row mixed orientation film is parallel to this slow axis of this display panels substantially, and the angle of this first penetrating shaft of this slow axis of this first one-quarter wavelength retardation film and this first polaroid is greater than 0 degree and less than 90 degree.
2. LCD as claimed in claim 1, wherein this display panels comprises electrical control birefringence type liquid crystal display panel.
3. LCD as claimed in claim 1, wherein this LCD is the white type LCD of nature.
4. LCD as claimed in claim 1, wherein this LCD has dark morphotype formula, and under this dark morphotype formula, this to the phase differential of the phase differential of row mixed orientation film and this display panels and be quarter-wave, and wherein this LCD has bright morphotype formula, and under this bright morphotype formula, the phase differential of this display panels is 1/2nd wavelength.
5. LCD as claimed in claim 1, wherein the angle of this first penetrating shaft of this slow axis of this first one-quarter wavelength retardation film and this first polaroid is substantially 45 degree.
6. LCD as claimed in claim 1, other comprises second one-quarter wavelength retardation film, be arranged between this second polaroid and this display panels, wherein this second one-quarter wavelength retardation film has slow axis, and this slow axis of this second one-quarter wavelength retardation film is parallel with this first penetrating shaft of this first polaroid.
7. LCD as claimed in claim 1, also comprise second one-quarter wavelength retardation film, be arranged between this second polaroid and this display panels, wherein this second one-quarter wavelength retardation film has slow axis, and this slow axis of this second one-quarter wavelength retardation film is parallel with this second penetrating shaft of this second polaroid substantially.
8. LCD as claimed in claim 1, wherein this display panels comprises a plurality of red pixels, green pixel and blue pixel, and this many gammas chip for driving is three gamma chip for driving.
9. LCD as claimed in claim 8, wherein this LCD has dark morphotype formula, and under this dark morphotype formula, this three gammas chip for driving provide respectively this display panels these red pixel first dark attitude voltages, these green pixel second dark attitude voltage is provided, and provide these blue pixel the 3rd dark attitude voltage.
10. LCD as claimed in claim 9, wherein this first dark attitude voltage is less than this second dark attitude voltage, and this second dark attitude voltage is less than the 3rd dark attitude voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101852925A CN101441352B (en) | 2008-12-24 | 2008-12-24 | LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101852925A CN101441352B (en) | 2008-12-24 | 2008-12-24 | LCD device |
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| CN101441352A true CN101441352A (en) | 2009-05-27 |
| CN101441352B CN101441352B (en) | 2010-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707489A (en) * | 2011-06-09 | 2012-10-03 | 京东方科技集团股份有限公司 | Liquid crystal display panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707489A (en) * | 2011-06-09 | 2012-10-03 | 京东方科技集团股份有限公司 | Liquid crystal display panel |
| CN102707489B (en) * | 2011-06-09 | 2015-01-28 | 京东方科技集团股份有限公司 | Liquid crystal display panel |
| US8970462B2 (en) | 2011-06-09 | 2015-03-03 | Boe Technology Group Co., Ltd. | Liquid crystal display panel and liquid crystal display |
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| CN101441352B (en) | 2010-08-18 |
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