WO2007111012A1 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- WO2007111012A1 WO2007111012A1 PCT/JP2006/325212 JP2006325212W WO2007111012A1 WO 2007111012 A1 WO2007111012 A1 WO 2007111012A1 JP 2006325212 W JP2006325212 W JP 2006325212W WO 2007111012 A1 WO2007111012 A1 WO 2007111012A1
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- Prior art keywords
- pixel
- display
- liquid crystal
- display pixel
- pixels
- Prior art date
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 54
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 abstract description 12
- 230000003071 parasitic effect Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 15
- 230000000875 corresponding effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 239000003086 colorant Substances 0.000 description 5
- 101150039316 Ybx3 gene Proteins 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/068—Adjustment of display parameters for control of viewing angle adjustment
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
Definitions
- the present invention relates to a liquid crystal display device that performs dual view display, and more particularly to a liquid crystal display device that improves color reproducibility by reducing color crosstalk.
- the display pixel connected to the TFT is applied with a desired voltage at the moment when the gate is high.
- the pixel is connected to many peripheral electric circuits via parasitic capacitance. Yes. Since many of these peripheral electric circuits are related to panel design, it is possible to set a driving voltage in consideration of parasitic capacitance between the display pixel and the peripheral electric circuit. Therefore, the crosstalk due to the parasitic capacitance formed between the peripheral electric circuits can be compensated in advance. However, since the potentials of the source lines that drive other display pixels cannot be defined in advance, it is difficult to compensate in advance for crosstalk caused by other source lines.
- the source line Si (i is an integer) and the gate line Gj (j is an integer) are provided so as to be orthogonal to each other.
- the display pixel 100 and the switching element 200 are provided at the intersection between the line and each gate line.
- the parasitic capacitance Csda'Csdb 'Cgd'Ccs is formed for the display pixel (A) in the display pixels 100.
- the display pixel (B) means a display pixel adjacent to the display pixel (A) in the arrangement direction of the gate lines.
- Parasitic capacitance Csda Parasitic capacitance formed between the source line S2 for driving the display pixel (A) and the display pixel (A)
- Parasitic capacitance Csdb Parasitic capacitance formed between the source line S3 for driving the display pixel (B) and the display pixel (A)
- Parasitic capacitance Cgd parasitic capacitance formed between the display pixel (A) and the gate line G2 for driving the display pixel (A)
- the drain voltage is applied to the liquid crystal portion of the display pixel (A) only by + V (A) when the gate is high, the drain voltage is V (B ) Only the mark is carved.
- the next gate line is turned ON, ⁇ V (A) is applied to the source line that drives the display pixel (A), and + V (B ) Is applied.
- the drain voltage that has been affected by the parasitic capacitance is not applied to the display pixel (A), but the drain voltage is applied as it is. Specifically, when the effective value of the voltage applied to the display pixel (A) is Va,
- Va V (A) + (Csda * V (A) + Cgd * Vg + Csdb * V (B) + Ccs * Vc) / Cp
- Vg is a voltage applied to the gate line
- Vc is a voltage applied to the counter electrode
- a voltage different from the desired drain voltage (A) is applied to the display pixel (A).
- the parasitic capacitance Csda'Cgd'Ccs formed between the display pixel (A) and the design pixel is Therefore, it is possible to set the drain voltage in consideration of the value of the parasitic capacitance. That is, these parasitic capacitances do not significantly affect the display gradation of the display pixel (A).
- the calculation formula for the effective voltage Va includes the parasitic capacitance Csdb and the drain voltage V (B). That is, since the voltage Va is affected by the source line connected to the display pixel (B), there is a color crosstalk in which the gradation of the display pixel (A) changes depending on the display gradation of the display pixel (B). Arise.
- Patent Document 1 discloses a method for solving such a color crosstalk problem by correcting a display signal.
- Patent Document 1 Japanese Patent Publication “JP 2005-202377 Publication (published July 28, 2005)”
- the above-described color crosstalk does not occur so prominently in a normal display form in which the same image is displayed in all display directions.
- the reason is as follows.
- the image data of adjacent source lines are related to the same image, and when attention is paid to the luminance, the image data related to the respective colors R, G, and B are correlated with each other. It becomes a high quality thing. Therefore, even if a crosstalk occurs, the effect on the visual image hardly appears.
- dual view display a display form (hereinafter referred to as dual view display) that can display different images in a plurality of display directions by combining a display panel and a parallax barrier has been realized.
- dual view display the problem of crosstalk caused by other source lines becomes particularly noticeable.
- the parallax barrier 120 provided outside the display panel 110 is used for the first image and the second image generated on the display panel 110.
- a specific viewing angle is given.
- different images can be displayed for a plurality of observers with different observation positions.
- the present invention has been made in view of the above problems, and an object thereof is to reduce color crosstalk by a simple method in a liquid crystal display that performs dual-view display.
- the liquid crystal display device is a display mode capable of displaying different images for a plurality of display directions by bonding a liquid crystal panel and a parallax barrier.
- the liquid crystal panel is a liquid crystal display device in which display pixels including switching elements and pixel electrodes are arranged corresponding to respective portions where a plurality of gate lines and a plurality of source lines intersect.
- the parallax barrier separates display images that are viewed in different directions, with R, G, and B pixels arranged in the extending direction of the gate line as one unit. Of the three pixels formed, the pixel present at one end in the gate line extending direction is defined as the first display pixel, and is separated from the first display pixel and adjacent to the first display pixel.
- the source line connected to the second display pixel is adjacent to the first display pixel, and the first display pixel is B (blue).
- the applied voltage supplied to the B (blue) display pixel is a low luminance area compared to the applied voltage supplied to the R (red) and G (green) display pixels.
- the feature is that the relationship between the input gradation and the applied voltage is set along a ⁇ curve that makes it difficult to cause luminance fluctuations.
- the applied voltage supplied to the B (blue) display pixel is lower than the applied voltage supplied to the R (red) and G (green) display pixels.
- the relationship between the input gradation and the applied voltage is set along the ⁇ curve that causes the luminance variation in the region) ( ⁇ , increasing the ⁇ of ⁇ in the region).
- ⁇ is continuously changed to ⁇ 2.5 at 0 gradation in the case of 128 gradation or more and 0 or less.
- ⁇ 2.5 set here is an example. If the image does not differ from normal ⁇ 2.2, it should be set appropriately according to the application.
- FIG. 1 (a), showing an embodiment of the present invention, is a plan view showing an arrangement relationship between picture elements and R, G, and ⁇ pixels in a color liquid crystal display device.
- FIG. 1 (b) shows an embodiment of the present invention, and is a diagram showing a structural example in the case where separation is performed with three pixels of R, G, and 1 as one unit by the arrangement of a Noria light shielding layer.
- FIG. 2 is a cross-sectional view showing a schematic configuration of the color liquid crystal display device.
- FIG. 3 is a graph showing an example of setting a ⁇ curve.
- FIG. 4 is a block diagram showing a schematic configuration of the color liquid crystal display device.
- FIG. 5 is a block diagram showing an example different from FIG. 4 of the schematic configuration of the color liquid crystal display device.
- FIG. 6 (a) is a diagram showing a configuration of a display panel in a conventional liquid crystal display device.
- FIG. 6 (b) is a diagram showing a state in which a voltage is applied to the gate line.
- FIG. 7 is a diagram showing an effect of providing a viewing angle by a viewing barrier in dual view display.
- FIG. 8 is a diagram showing a relationship between a display screen and an observer when performing dual view display.
- FIG. 2 illustrates a schematic configuration of the liquid crystal display device 1 according to the present embodiment.
- the liquid crystal display device 1 is a color liquid crystal display device capable of dual view display, and generally includes a display panel 100, a parallax barrier 110, and a knock light 120 as shown in FIG.
- the knock light 120 includes a light source 121 and a reflection unit 122, and the light emitted from the light source 121 is reflected by the reflection unit 122, thereby irradiating the display panel 100 with light.
- the light source 121 for example, an LED (light emitting diode), a cold cathode fluorescent tube (CCFT), a cold cathode fluorescent lamp (CCFL), or the like is used.
- the display panel 100 is an active matrix in which a liquid crystal layer 103 made of nematic liquid crystal is sandwiched between a TFT (Thin Film Transistor) substrate 101 and a CF (color filter) substrate 102 which are arranged to face each other.
- TFT Thin Film Transistor
- CF color filter
- the TFT substrate 101 is provided with a plurality of source lines and a plurality of gate lines crossing each source line, and a pixel is provided for each combination of the source lines and the gate lines.
- each of the above pixels includes a left pixel array for image display on the left side (image display for the left side of the display device) along the extending direction of the data signal line (not shown).
- right picture element rows for image display on the right side are alternately arranged.
- the left picture element and the right picture element are formed as a set of R pixel, G pixel, and B pixel as shown in Fig. 1 (a).
- a color filter layer (not shown) is provided on the CF substrate 102. Color fill In the data layer, R, G, and B filters are provided for each pixel.
- the opposing surfaces of the TFT substrate 101 and the CF substrate 102 are each provided with an alignment film (not shown) subjected to an alignment process in a direction substantially orthogonal to each other, and the backlight 120 side of the TFT substrate 101 is provided.
- a polarizing plate 104 is provided on this surface.
- the parallax barrier 110 is powered by the NORIA glass 111 and the NOR light shielding layer 112.
- the barrier light shielding layer 112 is formed by patterning a metal layer or a resin layer on the noria glass 111.
- a polarizing plate 23 is provided on the display surface side of the noria glass 111 (the side opposite to the backlight 120).
- the Noria light blocking layer 112 is arranged in a direction parallel to the extending direction of the picture element rows so as to form, for example, a stripe-like row.
- the material of the barrier light shielding layer 112 is not particularly limited.
- the barrier light shielding layer 112 may be formed using a photosensitive resin in which a black pigment is dispersed, or may be formed by patterning a metal thin film.
- each row of the non-light shielding layer 112 is provided so as to correspond to each picture element row of the display panel 100.
- the Noria light blocking layer 112 separates the right image and the left image with R, G, and B pixels as one unit.
- FIG. 1 (b) shows an example of the structure when separation is performed with the three pixels R, G, and B as one unit depending on the arrangement of the Noria light shielding layer 112.
- R pixel in (b) supplies data to the pixel to the right of that (the pixel in the middle of the three pixels that make up the above unit: G pixel in Fig. 1 (a) (b))
- Source line force Force affected by crosstalk Since the leftmost pixel and the center pixel are related to the same image, they are highly correlated with each other, and even if crosstalk occurs, the effect on the visible image Is hard to appear.
- the center pixel is the source line force that supplies data to the rightmost pixel (the B pixel in Figs. 1 (a) and 1 (b)) to the right of the center pixel. Talk is not visible in the visual image.
- the rightmost pixel is affected by crosstalk from the source line that supplies data to the leftmost pixel adjacent to the rightmost pixel.
- the relationship between the right end pixel and the left end pixel is related to a different image, there is no correlation between the display data, and the influence of the crosstalk at the right end pixel is larger than that at the left end pixel and the center pixel. .
- a pixel existing at one end in the gate line extending direction is defined as a first display pixel, and adjacent to the first display pixel and the above
- the second display pixel is a pixel belonging to a display image separated in a display direction different from the first display pixel
- the first display pixel is a pixel that is greatly affected by crosstalk
- the second display pixel The edge pixel on the side adjacent to the source line connected to is the first display pixel.
- the first display pixel is a B pixel as shown in FIGS. 1 (a) and 1 (b). Has characteristics
- the first display pixel which is likely to have a large crosstalk effect, is a B color pixel that has a low correlation with the luminance information, thereby suppressing the luminance fluctuation caused by the crosstalk and affecting the display screen. Can be reduced.
- the liquid crystal display device 1 when dual view display is performed, display image separation by the parallax barrier is performed with three pixels of R, G, and B as one unit. This concentrates the crosstalk effect on the first display pixel.
- the first display pixel is a B pixel that has low correlation with the luminance information, thereby suppressing luminance fluctuations and reducing the effect on the display screen.
- the first display pixel in which the influence of the crosstalk becomes large is characterized by performing ⁇ correction that can further suppress the influence of crosstalk.
- the ⁇ curve is set deep so that the influence of crosstalk in a dark region becomes conspicuous. This is because color shifts due to luminance fluctuations are more likely to occur in dark areas than in bright areas.
- the ⁇ value of ⁇ small in the dark area even if the potential fluctuation from the adjacent source line (R) occurs, it becomes difficult to cause the luminance fluctuation in the ⁇ display area.
- Fig. 3 an example of setting the ⁇ curve is shown.
- the curve indicated by the solid line in FIG. 3 shows a commonly used ⁇ curve.
- ⁇ for the R and G color data is shown. Used for correction.
- the curve indicated by the broken line in Fig. 3 is used for ⁇ correction for the amber data.
- the liquid crystal display device 1 includes a display panel 10, a gate drive unit 11, a source drive unit 12, a common electrode drive unit 13, and a control unit 14.
- the display panel 10 includes forces that are not shown in detail.
- the gate panel includes m gate lines that are parallel to each other, n source lines that are parallel to each other, and pixels that are arranged in a matrix.
- the pixel is formed in a region surrounded by two adjacent gate lines and two adjacent source lines.
- the gate driving unit 11 sequentially generates scanning signals to be applied to the gate lines connected to the pixels in each row based on the gate clock signal and the gate start pulse output from the control unit 14! /, The
- the source driver 12 samples the image data signal DAT based on the source clock signal and the source start pulse output from the controller 14, and the obtained image data is connected to the pixels of each column. Output to the source line.
- the control unit 14 is a circuit that generates and outputs various control signals for controlling the operation of the gate driving unit 11 and the source driving unit 12 based on the input synchronization signal and image data signal DAT. As the control signal output from the control unit 14, as described above, each clock signal, each start pulse, the image data signal DAT, and the like are prepared.
- Each pixel in the display panel 10 includes a switching element such as a TFT and a liquid crystal capacitor.
- a switching element such as a TFT and a liquid crystal capacitor.
- the gate of the TFT is connected to the gate line
- the source line and one electrode of the liquid crystal capacitor are connected via the drain and source of the TFT
- the other electrode of the liquid crystal capacitor is common to all pixels.
- the common electrode driver 13 supplies a voltage to be applied to the common electrode line.
- the gate drive unit 11 selects the gate line, and the image data signal DAT power source drive unit 12 supplies the image data signal to the pixel corresponding to the combination of the selected gate line and source line. Output to the source line.
- each image data is written to the pixel connected to the gate line.
- the gate driver 11 sequentially selects the gate lines, and the source driver 12 outputs the image data to the source lines. As a result, each image data is written in all the pixels of the display panel 10, and an image corresponding to the image data signal DAT is displayed on the display panel 10.
- the image data sent from the control unit 14 to the source driving unit 12 is transmitted in a time division manner as an image data signal DAT.
- the source drive unit 12 extracts each image data from the image data signal DAT at a timing based on the source clock signal, the inverted source clock signal, and the source start pulse as timing signals, and sends them to each pixel. .
- a liquid crystal display device that performs multi-gradation display with 256 gradations requires 256 types of applied voltage values, but it is practically impossible to provide power supply voltages corresponding to all these gradation voltages. Is possible. For this reason, usually, several kinds of reference voltages are prepared by the power supply voltage, and these reference voltages are divided by the resistance dividing means, and applied voltages (scales) corresponding to all gradations are obtained. Generate leveling voltage! /
- the resistance dividing means is formed by connecting a number of resistors in series, and extracts an applied voltage obtained from a connection point of each resistor by switching control based on the image data signal DAT. It has become.
- the image data signal DAT is, for example, an 8-bit digital signal (when the number of gradations is 256), and if 8 bit switching control is performed by each bit signal, 256 types of applied voltage forces can also be extracted as desired applied voltages. can do.
- Such a resistance dividing means has a well-known configuration conventionally used in a voltage modulation type liquid crystal display device.
- a grayscale voltage generation circuit (not shown) using such resistance dividing means is provided in the source driver 12.
- the resistance dividing means in the gradation voltage generating circuit also determines the resistance value of each resistor so as to obtain the gradation voltage along the ⁇ curve, and the reference voltage is proportionally distributed.
- the gray scale voltage generating circuit that supplies the gray scale voltage to the source line is changed to a ⁇ curve for the dark blue data in FIG.
- the setting may be made so that the gradation voltage along the line can be obtained.
- the ⁇ correction method in the liquid crystal display device 1 is not limited to this. It is also possible to perform ⁇ correction by converting the image data of amber color. The ⁇ correction in this case will be described with reference to FIG.
- the liquid crystal display device 1 further includes a ⁇ correction unit 15 and a lookup table 16 as shown in FIG.
- the ⁇ correction unit 15 refers to the look-up table 16 and converts the image data of the dark blue pixels so as to follow the ⁇ curve for the dark blue data in FIG.
- the R and G color image data is sent to the source driving unit 12 as it is.
- the B color image data is ⁇ -corrected.
- the data is converted by the section 15 and the lookup table 16 and then sent to the source driving section 12.
- the lookup table 16 associates input gradation levels with output gradation levels.
- the input gradation level based on the image data signal DAT is input from the y correction unit 15, the corresponding output gradation level is read out.
- the ⁇ correction unit 15 outputs the output gradation level read from the lookup table 16 to the source driving unit 12.
- an ideal applied voltage that follows the ⁇ curve for the dark blue data in Fig. 3 is set to V'0 to V'255 (in the case of 256 gradation display).
- the applied voltage is the closest of the applied voltages VO to V255 generated by the resistance dividing means for performing 256 gradation display.
- Table 1 shows an example where 128 gradations or less are set with ⁇ 2.5.
- the output gradation means the voltage corresponding to that gradation.
- the liquid crystal display device enables a display mode in which different images can be displayed in a plurality of display directions by bonding a liquid crystal panel and a parallax barrier.
- the liquid crystal panel is a liquid crystal display device in which a display element including a switching element and a pixel electrode is arranged corresponding to each of a portion where a plurality of gate lines and a plurality of source lines intersect,
- the parallax barrier separates display images that are viewed in different directions, with the R, G, and B pixels arranged in the extending direction of the gate line as one unit.
- a pixel present at one end in the gate line extending direction is a first display pixel, which is adjacent to the first display pixel and is separated in a display direction different from the first display pixel.
- the source line connected to the second display pixel is adjacent to the first display pixel
- the first display pixel is a B (blue) color display.
- the applied voltage supplied to the B (blue) display pixel which is a pixel, varies in brightness in the low brightness region compared to the applied voltage supplied to the R (red) and G (green) display pixels.
- the relationship between the input gray level and the applied voltage is set along the ⁇ curve that makes it difficult to generate the image.
- the applied voltages supplied to the ⁇ (blue) display pixels are R (red) and G (green) colors.
- the relationship between the input gradation and the applied voltage is set along the ⁇ curve that causes brightness fluctuations in the low brightness region ( ⁇ , region). ( ⁇ , increase ⁇ of ⁇ in the region).
- ⁇ is continuously changed to ⁇ 2.5 at 0 gradation in the case of 128 gradation or more and 0 or less.
- ⁇ 2.5 set here is an example. If the image does not differ from normal ⁇ 2.2, it should be set appropriately according to the application.
- the reference voltage generation circuit that generates the applied voltage supplied to the ⁇ (blue) display pixel has a ⁇ that is less likely to cause the crosstalk effect in the low luminance region.
- a data conversion unit that converts the input gradation data of ⁇ (blue) color and generates an output gradation signal output to the data driving unit
- the data converter is configured to perform data conversion so that the relationship between the output gradation signal and the applied voltage follows a ⁇ curve that causes crosstalk in the low luminance region. Can do.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US12/224,854 US7948566B2 (en) | 2006-03-27 | 2006-12-18 | Liquid crystal display apparatus having an input gradation set to have a relationship along a gamma curve |
CN2006800539932A CN101405638B (zh) | 2006-03-27 | 2006-12-18 | 液晶显示装置 |
US13/064,791 US8373809B2 (en) | 2006-03-27 | 2011-04-15 | Display apparatus having an input gradation set to have a relationship along a gamma curve |
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JP2006086207 | 2006-03-27 | ||
JP2006-086207 | 2006-03-27 |
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US12/224,854 A-371-Of-International US7948566B2 (en) | 2006-03-27 | 2006-12-18 | Liquid crystal display apparatus having an input gradation set to have a relationship along a gamma curve |
US13/064,791 Continuation US8373809B2 (en) | 2006-03-27 | 2011-04-15 | Display apparatus having an input gradation set to have a relationship along a gamma curve |
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WO2007111012A1 true WO2007111012A1 (ja) | 2007-10-04 |
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PCT/JP2006/325212 WO2007111012A1 (ja) | 2006-03-27 | 2006-12-18 | 液晶表示装置 |
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Cited By (1)
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JP2014153495A (ja) * | 2013-02-07 | 2014-08-25 | Mitsubishi Electric Corp | マルチプルビュー液晶表示装置 |
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US7948566B2 (en) * | 2006-03-27 | 2011-05-24 | Sharp Kabushiki Kaisha | Liquid crystal display apparatus having an input gradation set to have a relationship along a gamma curve |
KR20110024970A (ko) * | 2009-09-03 | 2011-03-09 | 삼성전자주식회사 | 입체영상 표시 장치 |
KR101282957B1 (ko) * | 2010-10-29 | 2013-07-08 | 엘지디스플레이 주식회사 | 입체 디스플레이의 광학 측정 장치 및 방법 |
JP2012155307A (ja) * | 2011-01-05 | 2012-08-16 | Sony Mobile Display Corp | 表示装置 |
US11468821B2 (en) * | 2020-08-17 | 2022-10-11 | Novatek Microelectronics Corp. | Source driving circuit and operating method thereof |
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2006
- 2006-12-18 US US12/224,854 patent/US7948566B2/en not_active Expired - Fee Related
- 2006-12-18 WO PCT/JP2006/325212 patent/WO2007111012A1/ja active Application Filing
- 2006-12-18 CN CN2006800539932A patent/CN101405638B/zh not_active Expired - Fee Related
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2011
- 2011-04-15 US US13/064,791 patent/US8373809B2/en not_active Expired - Fee Related
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JPH05203994A (ja) * | 1991-09-24 | 1993-08-13 | Toshiba Corp | 液晶表示装置 |
JP2001075049A (ja) * | 1999-07-07 | 2001-03-23 | Sharp Corp | 立体ディスプレイ |
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JP2014153495A (ja) * | 2013-02-07 | 2014-08-25 | Mitsubishi Electric Corp | マルチプルビュー液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US8373809B2 (en) | 2013-02-12 |
CN101405638A (zh) | 2009-04-08 |
US20090046215A1 (en) | 2009-02-19 |
CN101405638B (zh) | 2010-09-22 |
US7948566B2 (en) | 2011-05-24 |
US20110194039A1 (en) | 2011-08-11 |
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