CN102419938B - Implementation method for Alignment system for micro phase compensation plate and liquid crystal display (LCD) - Google Patents
Implementation method for Alignment system for micro phase compensation plate and liquid crystal display (LCD) Download PDFInfo
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- CN102419938B CN102419938B CN201110441549.0A CN201110441549A CN102419938B CN 102419938 B CN102419938 B CN 102419938B CN 201110441549 A CN201110441549 A CN 201110441549A CN 102419938 B CN102419938 B CN 102419938B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 title abstract 2
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Abstract
The invention discloses an alignment system for a micro phase compensation plate and a liquid crystal display (LCD), and an implementation method for the alignment system. The system comprises the LCD, and the micro phase compensation plate which is arranged on the surface of the LCD, a first luminance meter probe, a second luminance meter probe, a first analyzer, and a second analyzer; the first analyzer and the second analyzer are interlaced above an effective display area of the LED; and the first luminance meter probe and the second luminance meter probe are positioned above the first analyzer and the second analyzer respectively and are used for detecting luminance of emergent light of the LCD, which is generated after the emergent light passes through the analyzers. The LCD is illuminated in an interlaced way, polarized light directions and brightness values of the emergent light which is emitted by the first luminance meter probe and the second luminance meter probe and pass through the micro phase compensation plate and the analyzers are detected by the first luminance meter probe and the second luminance meter probe respectively, and the polarized light directions are compared with the brightness values so as to detect whether the micro phase compensation plate is aligned with the LCD. A special alignment mark is not needed, and whether the micro phase compensation plate is aligned with the LCD can be judged accurately.
Description
Technical field
The present invention relates to 3D TV and manufacture field, particularly alignment system and its implementation of a kind of micro-phase compensator and LCD display.
background technology
3D TV is the abbreviation of 3 D stereoscopic image TV.It is slightly variant that it utilizes people's eyes to observe the angle of object, therefore can distinguish that object is far and near, produces this principle of three-dimensional vision, and the image that right and left eyes is seen is separated, thereby makes user experience stereoeffect.
The implementation method that 3D TV shows has multiple, relatively more conventional is by microfacies position compensation way, to realize 3D to show: in LCD display the place ahead, place a micro-phase compensator (or compensate film), make the light of LCD display after micro-phase compensator or compensate film interlacing conversion, be converted to the circularly polarized light of left-handed and dextrorotation or the linearly polarized light that polarization direction is orthogonal.Then, the image for right eye (entering the image of people's right eye) that LCD is shown is distributed to odd-numbered line, left eye is distributed to even number line with image, so, when user watches 3D TV, right eye with just separable coming of image, enters respectively people's images of left and right eyes with image and left eye, makes user experience 3D effect.
And separated with the perfection of image with left eye with image in order to guarantee right eye, must guarantee the alignment of micro-phase compensator and LCD display, micro-phase compensator aligns line by line with the pixel of LCD display.And select glass, be micro-phase compensator of base material, dress technique after general employing: micro-phase compensator of fitting in the LCD display of having manufactured.Conventionally to accomplish accurate contraposition, need to all want well in advance contraposition sign (sign needs high-visible) by methods such as CCD contrapositions, to realize again in LCD display and micro-phase compensator correspondence position.
And while fitting micro-phase compensator in the LCD display of having manufactured, because polaroid has attached to the surface of LCD display, contraposition sign is covered by polaroid conventionally, causes being difficult to utilizing original contraposition sign of LCD display to realize the accurate contraposition of micro-phase-plate and LCD display.
In view of this, need to provide a kind of new micro-phase compensator and the technique of counterpoint of LCD display.
summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide alignment system and its implementation of a kind of micro-phase compensator and LCD display, to solve micro-phase compensator of the prior art and LCD display contraposition problem.
In order to achieve the above object, the present invention has taked following technical scheme:
An alignment system for micro-phase compensator and LCD display, for realizing micro-phase compensation and its contraposition that is placed in LCD display surface, wherein, described alignment system comprises:
Two nitometer probes: the first nitometer probe and the second nitometer probe;
Two analyzers: the first analyzer and the second analyzer;
Described the first analyzer and the second analyzer are positioned at micro-phase compensator top, in the interlacing of the territory, effective display area of LCD display, arrange; Described the first nitometer probe and the second nitometer probe be the corresponding top that is arranged at the first analyzer and the second analyzer respectively, the luminance brightness for detection of LCD display emergent light after two analyzers.
Described micro-phase compensator and the alignment system of LCD display, wherein, described the first analyzer is placed in LCD display odd-numbered line top, and the polarization direction of the polarized light with the odd-numbered line emergent light of LCD display after micro-phase compensator conversion is consistent; Described the second analyzer is placed in LCD display even number line top, and the polarization direction of the polarized light with the even number line emergent light of LCD display after micro-phase compensator conversion is consistent.
Described micro-phase compensator and the alignment system of LCD display, wherein, described the first analyzer is placed in LCD display even number line top, and the polarization direction of the polarized light with the even number line emergent light of LCD display after micro-phase compensator conversion is consistent; Described the second analyzer is placed in LCD display odd-numbered line top, and the polarization direction of the polarized light with the odd-numbered line emergent light of LCD display after micro-phase compensator conversion is consistent.
The present invention also provides the implementation method of a kind of micro-phase compensator and LCD display alignment system, wherein, comprises the following steps:
Light LCD display is full frame, the first nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the first analyzer, or the second nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the second analyzer, is designated as Benchmark brightness value;
The odd-numbered line of LCD display is lighted the white field of black, even number line entirely, the light value that the first nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the first analyzer is designated as the first brightness value, and the light value that the second nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the second analyzer is designated as the second brightness value;
Regulate the relative position of micro-phase compensator and LCD display, when the first brightness value is that the 0, second brightness value equals Benchmark brightness value and the second analyzer detection emergent light is the Left-hand circular polarization light time, micro-phase compensator and LCD display contraposition complete.
As further improvement, the implementation method of the alignment system of another micro-phase compensator and LCD display is also provided, wherein, comprise the following steps:
Light LCD display is full frame, the first nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the first analyzer, or the second nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the second analyzer, is designated as Benchmark brightness value;
White of the odd-numbered line of LCD display is lighted, even number line is entirely black, the light value that the first nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the first analyzer is designated as the first brightness value, and the light value that the second nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the second analyzer is designated as the second brightness value;
S3, regulate the relative position of micro-phase compensator and LCD display, when the second brightness value is that the 0, first brightness value equals Benchmark brightness value and the first analyzer to detect emergent light be the right-hand circular polarization light time, micro-phase compensator and LCD display contraposition complete.
Compared with prior art, alignment system and its implementation of micro-phase compensator provided by the invention and LCD display, make odd-numbered line or the even number line of LCD display after lighting, by analyzer and nitometer are set, pop one's head in to detect direction of polarized light, the brightness values of the emergent light of LCD display after micro-phase compensator in white field respectively, with this, micro-phase compensator and LCD display are carried out to contraposition adjustment, whether accurately detect contraposition.The present invention is when carrying out contraposition to micro-phase compensator and LCD display, and without the special-purpose contraposition sign of picture prior art mark in LCD display, whether contraposition is accurate can to judge micro-phase compensator and LCD display, and contraposition process is simple and practical.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the micro-phase compensator of the present invention and LCD display alignment system.
Fig. 2 is display effect and the optical axis direction schematic diagram thereof of LCD display in microfacies of the present invention position and LCD display alignment system (odd-numbered line entirely white of black, even number line is lighted).
Fig. 3 is micro-phase compensator and the optical axis direction schematic diagram thereof in the micro-phase compensator of the present invention and LCD display alignment system.
Embodiment
The invention provides alignment system and its implementation of a kind of micro-phase compensator and LCD display.For making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is micro-phase compensator of the present invention and LCD display alignment system schematic diagram.As shown in the figure, described alignment system comprises, micro-phase compensator 205, LCD display 206, and described micro-phase compensator 205 is placed in LCD display 206 surfaces; Two nitometer probes: first nitometer probe the 201 and second nitometer probe 202; Two analyzers: the first analyzer 203 and the second analyzer 204; Described the first analyzer 203 and the second analyzer 204 are positioned at micro-phase compensator 205 tops, and the direction of polarized light for detection of LCD display 206 through micro-phase compensator 205 emergent lights is set in the interlacing of the territory, effective display area of LCD display 206; Described first nitometer probe the 201 and second nitometer is popped one's head in 202 difference relative set in the top of the first analyzer 203 and the second analyzer 204, the luminance brightness for detection of LCD display 206 emergent lights after micro-phase compensator 205.
The LCD display of VA pattern of take is example, LCD display emergent light (the backlight that its light source is LCD display of VA pattern, be generally the polarized light of horizontal polarization direction down together), as shown in Figure 2, in this figure, LCD display 206 is entirely black in odd-numbered line, the pattern that light the white field of even number line, in figure, the right side of display screen has shown even number line outgoing direction of light, is horizontal polarization direction.Odd-numbered line described herein is entirely black, and the pattern that light the white field of even number line is only the direction of polarized light of explanation LCD display emergent light, and the pattern of LCD display also can be lighted for white of odd-numbered line, the complete black pattern of even number line, and principle of work is identical with a upper pattern.
Fig. 3 shows the structure of micro-phase compensator 205 and the signal of the optical axis direction of LCD display emergent light micro-phase compensator after this micro-phase compensator, the general transparent materials such as glass or organic glass that adopt of micro-phase compensator 205 are as base material, its corresponding LCD display arranges odd-numbered line, even number line, with odd-numbered line, the even number line of corresponding LCD display, the conversion of outgoing direction of light is set, the linearly polarized light being orthogonal for the displaying contents interlacing of LCD display being converted to dextrorotation or left-handed circularly polarized light or polarization direction.The emergent light of LCD display is after micro-phase compensator 205 conversions, and micro-phase compensator odd-numbered line, even number line can be separated into respectively dextrorotation, left circularly polarized light by emergent light.In Fig. 3, the arrow of micro-phase compensator 205 1 sides shows the optical axis direction that emergent light is separated into dextrorotation, left circularly polarized light, and micro-phase compensator 205, according to the difference of optical axis and phase differential, can have various ways.For example, the optical axis direction of the odd-numbered line of micro-phase compensator 205 and horizontal direction are 45 ° of angles, even number line and horizontal direction are 135 ° of angles in alignment system of the present invention, the first analyzer 203 and the second analyzer 204 interlacing settings refer to that the first analyzer 203 is arranged on the odd-numbered line top of LCD display, the second analyzer 204 is arranged on the even number line top of LCD display, two analyzers detect respectively right-circularly polarized light, left circularly polarized light, the polarization direction of the polarized light of the odd-numbered line of the first analyzer 203 and LCD display 206 after micro-phase compensator 205 conversions is consistent, the polarization direction of the polarized light of the even number line of the second analyzer 204 and LCD display 206 after micro-phase compensator 205 conversions is consistent.Certainly, be with being to be understood that, the polarization direction of the polarized light of the even number line that also can make described the first analyzer 203 and LCD display 206 after micro-phase compensator 205 conversions is consistent, and the polarization direction of the polarized light of the odd-numbered line of the second analyzer 204 and LCD display 206 after micro-phase compensator 205 is changed is consistent.
Introduce in detail below the alignment method of realizing micro-phase compensator and LCD display by the alignment system of above-mentioned micro-phase compensator and LCD display.Said method comprising the steps of:
S11, light LCD display 206 is full frame, the first nitometer probe 201 detects the light value of the emergent light of LCD display 206 after micro-phase compensator 205 and the first analyzer 203, or the second nitometer probe 202 detects the light value of the emergent light of LCD display 206 after micro-phase compensator 205 and the second analyzer 204, is designated as Benchmark brightness value;
S12, make LCD display odd-numbered line entirely white of black, even number line light, the light value of the emergent light of the first nitometer probe 201 LCD display that detect 206 after micro-phase compensator 205 and the first analyzer 203 is designated as to the first brightness value, the light value of the emergent light of the second nitometer probe 202 LCD display that detect 206 after micro-phase compensator 205 and the second analyzer 204 is designated as to the second brightness value;
S13, regulate the relative position of micro-phase compensator and LCD display, when the first brightness value is that the 0, second brightness value equals Benchmark brightness value and the second analyzer 204 to detect emergent lights be the Left-hand circular polarization light time, micro-phase compensator and LCD display contraposition complete.
Particularly, first light LCD display is full frame, object is white brightness value of lighting of LCD display to be detected as Benchmark brightness value by first nitometer probe the 201 or second nitometer probe 202, because now LCD display is full frame, light, therefore, the detection of Benchmark brightness value both can detect by the first nitometer probe 201, also can detect by the second nitometer probe 202.Then the odd-numbered line of LCD display is closed, it is the 1st, 3,5 that even number line is lighted ... row is entirely black, and the 2nd, 4,6 ... row is lighted entirely, and the display effect of LCD display as shown in Figure 3.Because the first nitometer probe 201 is arranged on the odd-numbered line top of LCD display, the light value that it can detect the emergent light of LCD display 206 after micro-phase compensator 205 and the first analyzer 203, is designated as the first brightness value; In like manner, because the second nitometer probe 202 is arranged on the even number line top of LCD display, the light value of the emergent light that it detects is designated as the second brightness value.Make LCD display 206 and micro-phase compensator 205 contrapositions, the odd-numbered line, the even number line that are LCD display 206 are corresponding with odd-numbered line, the even number line of micro-phase compensator 205 respectively, need to meet the following conditions: the first brightness value equals 0, the second brightness value and equals Benchmark brightness value and the second analyzer 204 to detect emergent lights be left circularly polarized light simultaneously.When above-mentioned condition does not meet, need constantly to adjust the position of micro-phase compensator 205 in LCD display 206, when meeting above-mentioned condition, be considered as micro-phase compensator 205 and complete with LCD display 206 contrapositions.Be with being to be understood that, in actual mechanical process, there is certain error, can level off to 0 at the first brightness value, when the second brightness value is more than or equal to 0.9 times of first brightness value, just think that micro-phase compensator 205 and LCD display 206 have realized accurate contraposition.
Certainly, in above-mentioned implementation method, also can judge alignment situation by lighting the odd-numbered line of LCD display.Only need to satisfy condition to convert and can realize, step is as follows:
S21, light LCD display 206 is full frame, the first nitometer probe 201 detects the light value of the emergent light of LCD display 206 after micro-phase compensator 205 and the first analyzer 203, or the second nitometer probe 202 detects the light value of the emergent light of LCD display 206 after micro-phase compensator 205 and the second analyzer 204, is designated as Benchmark brightness value;
S22, white of the odd-numbered line of LCD display is lighted, even number line is entirely black, the first nitometer probe 201 light value that the emergent light of LCD display 206 after micro-phase compensator 205 and the first analyzer 203 detected are designated as to the first brightness value, the second nitometer probe 202 light value that the emergent light of LCD display 206 after micro-phase compensator 205 and the second analyzer 204 detected are designated as to the second brightness value;
S23, regulate the relative position of micro-phase compensator and LCD display, when the second brightness value is that the 0, first brightness value equals Benchmark brightness value and the first analyzer 203 to detect emergent lights be the right-hand circular polarization light time, micro-phase compensator and LCD display contraposition complete.
Its principle of work is identical with the LCD display odd-numbered line implementation method that light the white field of black, even number line entirely, is not repeated herein.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (2)
1. an implementation method for the alignment system of micro-phase compensator and LCD display, is characterized in that, the alignment system of described micro-phase compensator and LCD display is for realizing micro-phase compensator and its contraposition that is placed in LCD display surface, and it comprises:
Two nitometer probes: the first nitometer probe and the second nitometer probe;
Two analyzers: the first analyzer and the second analyzer;
Described the first analyzer and the second analyzer are positioned at micro-phase compensator top, in the interlacing of the territory, effective display area of LCD display, arrange; Described the first nitometer probe and the second nitometer probe be the corresponding top that is arranged at the first analyzer and the second analyzer respectively, the luminance brightness for detection of LCD display emergent light after two analyzers;
Described the first analyzer is placed in LCD display odd-numbered line top, and the polarization direction of the polarized light with the odd-numbered line emergent light of LCD display after micro-phase compensator conversion is consistent; Described the second analyzer is placed in LCD display even number line top, and the polarization direction of the polarized light with the even number line emergent light of LCD display after micro-phase compensator conversion is consistent;
Said method comprising the steps of:
Light LCD display is full frame, the first nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the first analyzer, or the second nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the second analyzer, is designated as Benchmark brightness value;
The odd-numbered line of LCD display is lighted the white field of black, even number line entirely, the light value that the first nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the first analyzer is designated as the first brightness value, and the light value that the second nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the second analyzer is designated as the second brightness value;
Regulate the relative position of micro-phase compensator and LCD display, when the first brightness value is that the 0, second brightness value equals Benchmark brightness value and the second analyzer detection emergent light is the Left-hand circular polarization light time, micro-phase compensator and LCD display contraposition complete.
2. an implementation method for the alignment system of micro-phase compensator and LCD display, is characterized in that, the alignment system of described micro-phase compensator and LCD display is for realizing micro-phase compensator and its contraposition that is placed in LCD display surface, and it comprises:
Two nitometer probes: the first nitometer probe and the second nitometer probe;
Two analyzers: the first analyzer and the second analyzer;
Described the first analyzer and the second analyzer are positioned at micro-phase compensator top, in the interlacing of the territory, effective display area of LCD display, arrange; Described the first nitometer probe and the second nitometer probe be the corresponding top that is arranged at the first analyzer and the second analyzer respectively, the luminance brightness for detection of LCD display emergent light after two analyzers;
Described the first analyzer is placed in LCD display even number line top, and the polarization direction of the polarized light with the even number line emergent light of LCD display after micro-phase compensator conversion is consistent; Described the second analyzer is placed in LCD display odd-numbered line top, and the polarization direction of the polarized light with the odd-numbered line emergent light of LCD display after micro-phase compensator conversion is consistent;
Said method comprising the steps of:
Light LCD display is full frame, the first nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the first analyzer, or the second nitometer probe detects the light value of the emergent light of LCD display after micro-phase compensator and the second analyzer, is designated as Benchmark brightness value;
White of the odd-numbered line of LCD display is lighted, even number line is entirely black, the light value that the first nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the first analyzer is designated as the first brightness value, and the light value that the second nitometer probe is detected to the emergent light of LCD display after micro-phase compensator and the second analyzer is designated as the second brightness value;
Regulate the relative position of micro-phase compensator and LCD display, when the second brightness value is that the 0, first brightness value equals Benchmark brightness value and the first analyzer detection emergent light is the right-hand circular polarization light time, micro-phase compensator and LCD display contraposition complete.
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| CN201110441549.0A CN102419938B (en) | 2011-12-26 | 2011-12-26 | Implementation method for Alignment system for micro phase compensation plate and liquid crystal display (LCD) |
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| CN101581842B (en) * | 2008-05-16 | 2011-04-06 | 财团法人工业技术研究院 | Automatic alignment system for stereoscopic liquid crystal display and method thereof |
| KR100939214B1 (en) * | 2008-06-12 | 2010-01-28 | 엘지디스플레이 주식회사 | Alignment System and Method of Stereoscopic Display |
| CN102194434B (en) * | 2010-03-11 | 2013-05-08 | 京东方科技集团股份有限公司 | Method for detecting crosstalk between adjacent pixels of display panel |
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