CN1979101A - Colour optical-filter detecting device and method, and liquid-crystal display colourity detecting method - Google Patents
Colour optical-filter detecting device and method, and liquid-crystal display colourity detecting method Download PDFInfo
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- CN1979101A CN1979101A CN 200510102291 CN200510102291A CN1979101A CN 1979101 A CN1979101 A CN 1979101A CN 200510102291 CN200510102291 CN 200510102291 CN 200510102291 A CN200510102291 A CN 200510102291A CN 1979101 A CN1979101 A CN 1979101A
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- colored filter
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Abstract
The invention discloses a detecting device for color filter that includes a monochrome light emitting device, which at least includes a light source that would supply monochrome corresponding to the color of the subpixel of testing color filter. The invention also supplies the detecting method of using the device. The detecting device and method of the color filter has high accuracy of chromaticity.
Description
[technical field]
The invention relates to a kind of checkout equipment and method of colored filter, particularly about a kind of colorimetric detection equipment and method of colored filter.
[background technology]
Display panels generally need adopt colored filter to realize colored the demonstration, by giving liquid crystal load driver control voltage, makes the processing through colored filter of the light that sends from backlight, demonstrates colour picture.Because the quality of colored filter directly has influence on the portrait display quality of display panels, the key especially so detection of colored filter seems.
A kind of detection method of prior art colored filter sees also Fig. 1.The checkout equipment that detection method adopted 10 of this colored filter 20 to be measured comprises: a plummer 11 and a light supply apparatus 12.This light supply apparatus 12 is white light source devices, it is arranged on this plummer 11, this light supply apparatus 12 comprises accommodates framework 120 and a plurality of light-emitting component, this is accommodated framework 120 and comprises and the bottom surface 121 of this plummer contact and a surface 122 relative with this bottom surface 121 that this surface 122 is provided with a plurality of V-shaped grooves 1220.During detection, this colored filter 20 to be measured is arranged on the light supply apparatus 12, and is close to this light supply apparatus 12.
See also Fig. 2, this colored filter 20 is made of a plurality of R that be arranged in parallel (red), G (green), B (indigo plant) sub-pixel, and this a plurality of R, G, B sub-pixel be the distribution of billet line.When opening light supply apparatus 12, the white light direct irradiation that is sent by this light supply apparatus 12 is to this colored filter 20, at this moment, from the light of colored filter 20 outgoing also is white light, the color situation that the testing staff observed can only observe the state of R, G, three kinds of color coexistences of B, be difficult to detect the monochromatic colourity fine difference of this colored filter 20, it is relatively poor promptly to detect degree of accuracy.
[summary of the invention]
For solving the relatively poor problem of checkout equipment precision of above-mentioned colored filter, be necessary to provide the checkout equipment of the preferable colored filter of a kind of accuracy of detection.
And be necessary to provide a kind of detection method that adopts the colored filter of above-mentioned checkout equipment.
And also be necessary to provide the chroma detection method of a kind of degree of accuracy LCD higher and simple to operate.
A kind of checkout equipment of colored filter, it comprises a monochromatic light-emitting device, and this monochrome light-emitting device comprises at least one light source, and this monochrome light-emitting device can provide the monochromatic light corresponding with the color of each sub-pixel of colored filter to be measured.
As a kind of improvement of the checkout equipment of above-mentioned colored filter, this monochrome light-emitting device system by white light source and monochromatic filter in conjunction with realizing outgoing monochromatic light.
Another kind as the checkout equipment of above-mentioned colored filter improves, and this monochrome light-emitting device is that light source adopts monochromatic source and realizes outgoing monochromatic light.
A kind of detection method of colored filter, it comprises the steps: a monochromatic light-emitting device and a colored filter are equipped with in regular turn on a plummer; Light this monochrome light-emitting device, illuminate this colored filter; Observe the colourity of this colored filter.
As a kind of improvement of the detection method of above-mentioned colored filter, this monochrome light-emitting device system by white light source and monochromatic filter in conjunction with realizing outgoing monochromatic light.
Another kind as the detection method of above-mentioned colored filter improves, and this monochrome light-emitting device is that light source adopts monochromatic source and realizes outgoing monochromatic light.
A kind of chroma detection method of LCD, it comprises the steps: this LCD to be measured is placed on the plummer; Again a monochromatic filter is arranged between the display panels and a backlight of this LCD to be measured; Light this backlight,, illuminate this display panels by this monochromatic filter; Observe the colourity of this LCD.
Compared with prior art, because the checkout equipment of colored filter of the present invention adopts monochromatic light-emitting device to illuminate colored filter, promptly when the light by monochromatic light-emitting device outgoing be red light and when illuminating colored filter, can only give pixel by the colored filter redness from the ruddiness of light-emitting device outgoing, this colored filter green and blue subpixels can't be passed through, the colourity of the red sub-pixel of this colored filter can be detected.In like manner, can detect the green of this colored filter and the colourity of blue subpixels.Therefore, can improve accuracy of detection.In like manner, liquid-crystal display colourity detecting method of the present invention also adopts a monochromatic filter to place the colourity that promptly can detect this LCD between the display panels of LCD and the backlight accurately, so the chroma detection method of this LCD is easier.
[description of drawings]
Fig. 1 is a kind of synoptic diagram of checkout equipment of prior art colored filter.
Fig. 2 is R, G, the B sub-pixel distribution schematic diagram of colored filter to be measured shown in Figure 1.
Fig. 3 is the synoptic diagram of checkout equipment first embodiment of colored filter of the present invention.
Fig. 4 is the synoptic diagram of checkout equipment second embodiment of colored filter of the present invention.
Fig. 5 is the synoptic diagram of the colourity of detection LCD monitor of the present invention.
[embodiment]
Seeing also Fig. 3, is the decomposing schematic representation of checkout equipment first embodiment of colored filter of the present invention.This checkout equipment 4 comprises a monochromatic light-emitting device 40 and a plummer 41, these plummer 41 these monochrome light-emitting devices 40 of carrying.
This monochrome light-emitting device 40 comprises that a plurality of white light sources 43, accommodate a framework 44 and a monochromatic filter 45, this is accommodated framework 44 and comprises a bottom surface 443, this bottom surface 443 contacts with this plummer 41, a surface 444 relative with this bottom surface 443 has a plurality of V-shaped grooves 445, these a plurality of white light sources 43 are put in this accommodates a plurality of V-shaped grooves 445 of framework 44, and this monochromatic filter 45 is arranged on these surface 444 1 sides of vicinity of accommodating framework 44.
This monochromatic filter 45 is R, G or B monochromatic filter.This accommodates framework 44 materials is the metal framework of tool reflex.These a plurality of white light sources 43 be white light emitting diode (Light Emitting Diode, LED).
During detection, the framework 44 of accommodating that at first will contain a plurality of white light sources 43 is placed on the plummer 41; If detect the R sub-pixel of this colored filter 30 to be measured, again the monochromatic filter 45 of redness is arranged on this colored filter 30 to be measured and accommodates between the framework 44, and be adjacent to setting mutually; Light a plurality of white light sources 43 then, from the white light of these a plurality of white light source 43 outgoing monochromatic filter 45 by the redness bright colored filter 30 to be measured of illumination that takes on a red color, red light can only be by the R sub-pixel of this colored filter 30 to be measured, therefore the testing staff can only observe the colourity situation of the R sub-pixel of colored filter 30 to be measured, and then can accurately record the R sub-pixel colourity of colored filter 30 to be measured.In like manner, can detect the G of this colored filter 30, the colourity of B sub-pixel.
Seeing also Fig. 4, is the decomposing schematic representation of checkout equipment second embodiment of colored filter of the present invention.This checkout equipment 6 comprises a monochromatic light-emitting device 60 and a plummer 61, these plummer 61 these monochrome light-emitting devices 60 of carrying.
This monochrome light-emitting device 60 comprises accommodates framework 64 and a plurality of monochromatic source 65, this is accommodated framework 64 and comprises a bottom surface 643, this bottom surface 643 contacts with this plummer 61, a surface 644 relative with this bottom surface 643 has a plurality of V-shaped grooves 645, and these a plurality of monochromatic sources 65 are arranged in these a plurality of V-shaped grooves 645 of accommodating framework 64.This accommodates framework 64 materials is the metal framework of tool reflex.This monochromatic source 65 is red light-emitting diode, green light LED or blue light-emitting diode.
During detection, if detect the R sub-pixel of this colored filter 50 to be measured, the monochromatic light-emitting device 60 that at first will have a plurality of red light sources 65 is positioned on the plummer 61; Again colored filter 50 to be measured is close to these monochrome light-emitting device 60 light-emitting face settings; Light red light source 65 then, illuminate colored filter 50 to be measured from the ruddiness of these red light source 65 outgoing, red light can only be by the R sub-pixel of this colored filter 50 to be measured, therefore the testing staff can only observe the colourity situation of the R sub-pixel of colored filter 50 to be measured, and then can accurately record the R sub-pixel colourity of colored filter 50 to be measured.In like manner, if detect the G or the B sub-pixel colourity of this colored filter 50 to be measured, just adopt monochromatic light-emitting device 60 or adopt monochromatic light-emitting device 60 with a plurality of blue-light sources with a plurality of green light sources.
The monochromatic light-emitting device 60 of present embodiment directly realizes that by R, G, B light emitting diode monochromatic outgoing colourity adopts monochromatic filter 45 just realizing monochromatic outgoing colourity than the monochromatic light-emitting device 40 of first embodiment, so the present embodiment checkout equipment is higher compared to the checkout equipment accuracy of detection of first embodiment.
The accommodating framework and also can be made by other material of first embodiment of the checkout equipment of the invention described above colored filter and second embodiment can also can be provided with reflectance coating etc. accommodating on the framework of making of the material of self no reflection events effect in order to improve light utilization efficiency.This accommodates the groove that other shape also can be set on the framework surface relative with the bottom surface, as dovetail groove etc.Light source also can adopt cold cathode fluorescent lamp (CCFL) to wait other light source.The testing staff also can adopt optical detection apparatus to observe the colourity of colored filter.
This optical detection apparatus is a color luminance meter.At present, industry generally has color luminance meters such as BM-7 type and BM-5 type, and its brightness and color that is specifically designed to object or light source is taken aim at point measurement.BM-7 type color luminance meter generally comprises photometric and chromatric detector, embedded single-chip computer system, LCD and battery etc.
Seeing also Fig. 5, is the decomposing schematic representation of an embodiment of detection LCD monitor colourity of the present invention.This LCD 70 to be measured comprises a display panels 71 and backlight 72, enters this display panels 71 from the light of these backlight 72 outgoing.This display panels 71 comprises two substrates 714,716 that are oppositely arranged and is sandwiched in liquid crystal layer 715 between this two substrate, wherein on the substrate 716 colored filter 712 is set.This checkout equipment 8 comprises a plummer 81 and a monochromatic filter 84.
During detection, at first LCD 70 to be measured is placed on the plummer 81; If detect the R sub-pixel of these LCD 70 colored filters 712, the monochromatic filter 84 of redness is arranged between the display panels 71 and backlight 72 of this LCD 70 to be measured, and is adjacent to setting mutually; Light backlight 72 then, from the white light of these backlight 72 outgoing by the Red lightscreening plate 84 bright display panels 71 to be measured of illumination that takes on a red color, because of red light can only be passed through the R sub-pixel of this display panels 71 to be measured, and then can accurately record the R sub-pixel colourity of the colored filter 712 of display panels 71 to be measured.In like manner, can detect the G of these LCD 70 colored filters 712, the colourity of B sub-pixel.
The present embodiment liquid-crystal display colourity detecting method also adopts a monochromatic filter 84 to be arranged on the colourity that can detect this LCD 70 between the display panels 71 of LCD 70 and the backlight 72 accurately, so the chroma detection method of this LCD 70 is easier.
Claims (10)
1. the checkout equipment of a colored filter, it comprises a light-emitting device, this light-emitting device comprises at least one light source, it is characterized in that: this light-emitting device is a monochromatic light-emitting device, and this monochrome light-emitting device can provide the monochromatic light corresponding with the color of each sub-pixel of colored filter to be measured.
2. the checkout equipment of colored filter as claimed in claim 1, it is characterized in that: this monochrome light-emitting device further comprises accommodates framework, and this is accommodated framework and accommodates this light source.
3. the checkout equipment of colored filter as claimed in claim 2, it is characterized in that: this light source is a white light source, this monochrome light-emitting device further comprises the monochromatic filter of one of red, green and blue look.
4. the checkout equipment of colored filter as claimed in claim 2, it is characterized in that: this light source is the monochromatic source of one of red, green and blue look.
5. the checkout equipment of colored filter as claimed in claim 1, it is characterized in that: further comprise one of may observe colored filter colourity to be measured optical detection apparatus, it is positioned at monochromatic light-emitting device light-emitting face one side.
6. the detection method of a colored filter, it may further comprise the steps: a monochromatic light-emitting device and a colored filter to be measured are equipped with in regular turn on a plummer; Light this monochrome light-emitting device, illuminate this colored filter; Observe the colourity of this colored filter.
7. the detection method of colored filter as claimed in claim 6, it is characterized in that: provide the step of this monochrome light-emitting device to comprise the framework of accommodating with at least one white light source at first is provided, then the monochromatic filter of one of red, green and blue look is arranged at this colored filter to be measured and this has accommodating between the framework of at least one white light source.
8. the detection method of colored filter as claimed in claim 6 is characterized in that: provide the step of this monochrome light-emitting device to comprise the framework of accommodating with one of at least one red, green and blue look monochromatic light light source is provided.
9. the chroma detection method of a LCD, it comprises the steps: this LCD to be measured is positioned on the plummer; Again a monochromatic filter is arranged between the display panels and a backlight of this LCD to be measured; Light this backlight,, illuminate this display panels by this monochromatic filter; Observe the colourity of this LCD.
10. the chroma detection method of LCD as claimed in claim 9, it is characterized in that: this monochromatic filter is Red lightscreening plate, green color filter or blue color filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510102291 CN1979101A (en) | 2005-12-09 | 2005-12-09 | Colour optical-filter detecting device and method, and liquid-crystal display colourity detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510102291 CN1979101A (en) | 2005-12-09 | 2005-12-09 | Colour optical-filter detecting device and method, and liquid-crystal display colourity detecting method |
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| Publication Number | Publication Date |
|---|---|
| CN1979101A true CN1979101A (en) | 2007-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510102291 Pending CN1979101A (en) | 2005-12-09 | 2005-12-09 | Colour optical-filter detecting device and method, and liquid-crystal display colourity detecting method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445324A (en) * | 2010-09-30 | 2012-05-09 | 京东方科技集团股份有限公司 | Equipment and method for detecting color filter |
| WO2014089865A1 (en) * | 2012-12-10 | 2014-06-19 | 深圳市华星光电技术有限公司 | System and method for correcting deviation of transmission frequency spectrum measurement of colour filter |
| CN104101480A (en) * | 2013-04-03 | 2014-10-15 | 京元电子股份有限公司 | Array type optical detection module |
-
2005
- 2005-12-09 CN CN 200510102291 patent/CN1979101A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445324A (en) * | 2010-09-30 | 2012-05-09 | 京东方科技集团股份有限公司 | Equipment and method for detecting color filter |
| WO2014089865A1 (en) * | 2012-12-10 | 2014-06-19 | 深圳市华星光电技术有限公司 | System and method for correcting deviation of transmission frequency spectrum measurement of colour filter |
| CN104101480A (en) * | 2013-04-03 | 2014-10-15 | 京元电子股份有限公司 | Array type optical detection module |
| CN104101480B (en) * | 2013-04-03 | 2017-03-01 | 京元电子股份有限公司 | Array type optical detection module |
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