CN101452121B - Adjustable optical measurement jig and measurement method thereof - Google Patents

Adjustable optical measurement jig and measurement method thereof Download PDF

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Publication number
CN101452121B
CN101452121B CN2007101248216A CN200710124821A CN101452121B CN 101452121 B CN101452121 B CN 101452121B CN 2007101248216 A CN2007101248216 A CN 2007101248216A CN 200710124821 A CN200710124821 A CN 200710124821A CN 101452121 B CN101452121 B CN 101452121B
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CN
China
Prior art keywords
substrate
clamping
optical measurement
adjustable optical
measurement equipment
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CN2007101248216A
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Chinese (zh)
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CN101452121A (en
Inventor
夏时俊
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群康科技(深圳)有限公司
群创光电股份有限公司
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Priority to CN2007101248216A priority Critical patent/CN101452121B/en
Publication of CN101452121A publication Critical patent/CN101452121A/en
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Publication of CN101452121B publication Critical patent/CN101452121B/en

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Abstract

The present invention provides an adjustable optical measuring device and a measuring method which adopts the adjustable optical measuring device for measuring liquid crystal display device. The adjustable optical measuring device comprises a loading substrate, a clamping substrate and a rotation shaft, wherein the loading substrate comprises a containing groove. The clamping substrate comprises a storing cavity corresponding with the containing groove. The loading substrate and the clamping substrate are installed separately with a stacking mode. The rotating shaft is clamped between the loading substrate and the clamping substrate. The measuring device realizes the optical film replacing of liquid crystal display device to be measured through rotation adjustment, simplifies a measuring procedure and effectively increases the measuring efficiency and measuring precision.

Description

Adjustable optical measurement equipment and method for measurement thereof
Technical field
The present invention relates to a kind of adjustable optical measurement equipment and adopt this optical measurement equipment to measure the method for measurement of liquid crystal indicator.
Background technology
In the liquid crystal indicator manufacturing process, liquid crystal panel and the module backlight of forming this liquid crystal indicator all must be through the optical measurements of optics parsing, whether up to specification with the resolution (Resolution), brightness (Brightness), color saturation (Color Saturation), visual angle (View Angel) and the response speed characteristics such as (ResponseTime) that measure liquid crystal panel and module backlight, to guarantee the quality of liquid crystal indicator.
When liquid crystal indicator being carried out the measurement of optical brightness and visual angle, before must the display surface of liquid crystal indicator being fixed on the optical measurement camera lens by optical measurement equipment, and the center that makes liquid crystal panel is positioned at the centre spot of optical measurement camera lens, begins accurately to measure.In addition, the blooming piece specification that is assembled in liquid crystal indicator at present has nothing in common with each other, then the optical characteristics of the liquid crystal indicator after the assembling is also corresponding different, so the blooming piece of various different sizes and module backlight and display panel matched combined need be assembled into liquid crystal indicator, and by repeatedly experimental verification, to obtain the preferable liquid crystal indicator of optical characteristics.
When a kind of prior art measures the optical characteristics of the liquid crystal indicator that adopts prismatic lens and liquid crystal panel and module backlight and make up, need measure respectively at different prismatic lenses, when being measured, a kind of specification prismatic lens wherein finishes, then take entire liquid crystal display device apart, assembling once more behind the prismatic lens that continues more to renew, to carry out the optical measurement second time, so repeatedly.Have following defective at above-mentioned method for measurement: at first, the assembly and disassembly action that need carry out liquid crystal indicator repeatedly so causes the measurement process numerous and diverse to change prismatic lens, reduces measuring efficient; Secondly,, therefore forbidden to cause the difference of the condition of measuring easily because of contraposition, make measurement accurate inadequately because each the measurement all needs measuring fixture and the contraposition again of optical measurement camera lens.
Summary of the invention
In order to solve prior art liquid crystal indicator is measured the low and low problem of measurement accuracy of efficient, be necessary to provide a kind of measurement efficient height, the adjustable optical measurement equipment that measurement accuracy is high.
Also be necessary to provide a kind of method for measurement that adopts above-mentioned adjustable optical measurement equipment to measure liquid crystal indicator simultaneously.
A kind of adjustable optical measurement equipment, it comprises a bearing substrate, a clamping substrate and a rotating shaft, wherein this bearing substrate comprises a storage tank, this clamping substrate comprise one with the corresponding host cavity of this storage tank, the stacked setting at interval of this bearing substrate and this clamping substrate, this rotating shaft is clipped between this bearing substrate and this clamping substrate, uses so that the object that is set in the rotating shaft can freely rotate around this rotating shaft.
A kind of employing one adjustable optical measurement equipment measures the method for measurement of a liquid crystal indicator, wherein this adjustable optical measurement equipment comprises a bearing substrate, an one clamping substrate and a rotating shaft, wherein this bearing substrate comprises a storage tank, this clamping substrate comprise one with the corresponding host cavity of this storage tank, the stacked setting at interval of this bearing substrate and this clamping substrate, this rotating shaft is clipped between this bearing substrate and this clamping substrate, with so that the object that is set in the rotating shaft can freely rotate around this rotating shaft, measurement step is as follows: a module backlight is provided, and it is housed in the storage tank of this bearing substrate; At least one circular blooming piece is provided, and wherein pericardium is drawn together a through hole, and this blooming piece is set in this rotating shaft by this through hole; One liquid crystal panel is provided, and it is housed in the host cavity of this clamping substrate; The interval is stacked to be provided with this clamping substrate and this bearing substrate, and makes this blooming piece be clipped between this module backlight and this liquid crystal panel.
Compared to prior art, between this bearing substrate and this clamping substrate, a rotating shaft is set, this rotating shaft cooperates with blooming piece to be detected, make this blooming piece to rotate freely to realize the rotation regulatory function around this rotating shaft, obtain an adjustable optical measurement equipment, in the measurement process, the measurement personnel apply external force, rotate this blooming piece and can realize changing the new liquid crystal indicator of blooming piece acquisition, the measurement personnel realize easily that by the adjustability of this optical measurement equipment the blooming piece of liquid crystal indicator is changed, and avoid assembling repeatedly, the dismounting action, simplify measuring operation, improve measurement efficient.Simultaneously because in the measurement process, it is fixing all the time that this liquid crystal panel measures camera lens relatively, thus avoid the measurement personnel again contraposition measure the relative position of camera lens and liquid crystal panel, guarantee that the measurement condition is constant, the raising measurement accuracy.
Description of drawings
Fig. 1 is the solid assembling synoptic diagram of a kind of better embodiment of adjustable optical measurement equipment of the present invention.
Fig. 2 is the perspective exploded view of optical measurement equipment shown in Figure 1.
Fig. 3 adopts optical measurement equipment shown in Figure 1 to measure the perspective exploded view of liquid crystal indicator.
Fig. 4 is the solid assembling synoptic diagram of optical measurement equipment assembling liquid crystal indicator shown in Figure 3.
Embodiment
Seeing also Fig. 1, is the solid assembling synoptic diagram of a kind of better embodiment of adjustable optical measurement equipment of the present invention.This adjustable optical measurement equipment 1 comprises a bearing substrate 11, a clamping substrate 13, a rotating shaft 15, a clamping device 17 and a location device 19.This bearing substrate 11 and this clamping substrate 13 grip together by this clamping device 17.This rotating shaft 15 is clipped between this bearing substrate 11 and this clamping substrate 13, and the one end runs through this clamping substrate 13.This locating device 19 is arranged on this clamping substrate 13 surfaces.
Seeing also Fig. 2 again, is the perspective exploded view of adjustable optical measurement equipment 1 shown in Figure 1.This bearing substrate 11 is rectangular flats, and its surface is provided with a storage tank 111.This clamping substrate 13 is a rectangular flat equally, and it comprises a host cavity 131, a pivot hole 133, an angle dial 135, four pilot holes 137 and magnifieres 139.This host cavity 131 is rectangle hollow out receiving spaces, and it is positioned at the middle section of this clamping substrate 13, and corresponding with the storage tank 111 of this bearing substrate 11.These pivot hole 133 contiguous these host cavities 131 are provided with.This angle dial 135 is the arc-shaped scale in order to the sign angle value, and the center of circle in its center of circle and this pivot hole 133 coincides.These four pilot holes 137 are symmetricly set on four corners of this clamping substrate 13 respectively.This magnifier 139 is nested in the fringe region of this clamping substrate 13, and it is arranged on the prism structure of waiting to measure the blooming piece surface in order to observation.
This rotating shaft 15 is cylindrical axis bodies, and the one end is fixed on this bearing substrate 11 surfaces, and its other end runs through the pivot hole 133 of this clamping substrate 13.
This clamping device 17 is in order to this bearing substrate 11 and this clamping substrate 13 are fixed together, and it comprises four reference columns 171, four spacing washers 173 and four nuts 175.Four corners of these four reference columns, 171 these bearing substrates 11 of separation, and corresponding with four pilot holes 137 that are positioned at these clamping substrate 13 corners respectively.One end of this reference column 171 directly is fixed on the corner location of this bearing substrate 11, and its other end runs through the pilot hole 137 of this clamping substrate 13.This spacing washer 173 is set on this reference column 171, and is clipped between this bearing substrate 11 and this clamping substrate 13.This nut 175 is arranged on this reference column 171 1 ends, and fixes this clamping substrate 13 in this bearing substrate 11 with these reference column 171 ends by threaded engagement.
This locating device 19 is in order to location product to be measured, and it comprises two supports 191 and two positioning sucker disks 193.These two supports, 191 parallel interval settings, each support 191 all is " ㄇ " type, and its two ends are fixed on this clamping substrate 13 surfaces, and center section is across this host cavity 131.This positioning sucker disk 193 prevents that in order to adsorb product to be detected it from sliding in surface level, this positioning sucker disk 193 runs through the center section of this support 191, and can the in the vertical direction lower slider.
In this adjustable optical measurement equipment 1, the material of this bearing substrate 11 and this clamping substrate 13 can adopt materials such as phenolics, acrylate to make.
Seeing also Fig. 3, is to adopt adjustable optical measurement equipment 1 shown in Figure 1 to measure the perspective exploded view of a liquid crystal indicator.This liquid crystal indicator 2 comprises a module 21 backlight, one first prismatic lens 22, one second prismatic lens 23, a diffusion sheet 24 and a liquid crystal panel 25.This first prismatic lens 22, this second prismatic lens 23 and this diffusion sheet 24 all are cylindrical optic diaphragms of tool through hole (not indicating), and this through hole is positioned at the center of this blooming piece 22,23,24.This first prismatic lens 22, this second prismatic lens 23 and this diffusion sheet 24 are folded between this module 21 backlight and this liquid crystal panel 25 successively.
When being assembled in this liquid crystal indicator 2 in this adjustable optical measurement equipment 1, at first, this module 21 backlight is housed in the storage tank 111 of this bearing substrate 11; Then, by cooperating of through hole and this rotating shaft 25, this first prismatic lens 22, this second prismatic lens 23 and this diffusion sheet 24 are set in this rotating shaft 15, and this first prismatic lens 22, this second prismatic lens 23 and this diffusion sheet 24 can freely rotate around this rotating shaft 15; Then, this liquid crystal panel 25 is corresponding nested to be housed in the host cavity 131 of this clamping substrate 13, and making should module 21 backlight and these liquid crystal panel 25 superimposed setting, and this first prismatic lens 22 of clamping, this second prismatic lens 23 and this diffusion sheet 24 are therebetween; At last, positioning sucker disk 193 these liquid crystal panels 25 of absorption of this locating device 19, and planar this clamping substrate 13 is static relatively to make it, by this nut 175 this clamping substrate 13 is fixed on this reference column 171 simultaneously, so, this liquid crystal indicator 2 is assembled in this adjustable optical measurement equipment 1.
Please consulting Fig. 4 more simultaneously, is that the solid that this liquid crystal indicator 2 is assembled in this optical measurement equipment 1 shown in Figure 3 is assembled synoptic diagram.When utilizing the optical measurement camera lens that this liquid crystal indicator 2 is carried out optical measurement, its step is as follows:
At first, provide an optical measurement camera lens, the host cavity 131 centers correspondence of this adjustable optical measurement equipment 1 is alignd with the center gauge point of this optical measurement camera lens.
Then, adjust this first prismatic lens 22 to certain certain angle by the external force rotation, as: the prism angle of this prismatic lens 22 is consistent with 0 degree scale mark of this angle dial 135, then this second prismatic lens 23 and this diffusion sheet 24 are adjusted in rotation, make this liquid crystal panel 25 and this module 21 backlight and this blooming piece 22,23,24 combination collocations form a liquid crystal indicator 2.Wherein Xuan Zhuan angle is directly read according to this angle dial 135.
Then, measure this liquid crystal indicator 2, and read corresponding measurement by optical lens.
Change the blooming piece of this liquid crystal indicator 2 when needs, then apply external force continuation this first prismatic lens 22 of rotation and this second prismatic lens 23 equally to another angle, as: the prism angle of this prismatic lens 22 is consistent with 15 degree scale marks of this angle dial 135, another liquid crystal indicator 2 of formation like this ', liquid crystal indicator 2 ' adopt different blooming pieces wherein with liquid crystal indicator 2, and then read first prismatic lens 22 and this second prismatic lens 23 postrotational optical measurement results.Continue to change blooming piece if desired, then further rotate this blooming piece to different angles by external force, when making the diverse location correspondence of this blooming piece between this module 21 backlight and this liquid crystal panel 25, obtain different liquid crystal indicators, to reach the convenient blooming piece of changing fast.
Compared to prior art, the liquid crystal indicator 2,2 that adopts 1 pair of this adjustable optical measurement equipment to adopt the collocation of different optical diaphragm to form ' carry out optical measurement, when obtaining best optical effect, only rotate the function that this circle blooming piece can realize changing blooming piece by applying external force, thereby avoid repeatedly dismantling, Assembly Action, so that more convenient to operate, and Effective Raise measures efficient.
In addition, this blooming piece is cut into circle, and guarantees it around these rotating shaft 15 Frees, then so that in rotary course the relative distance of 25 of this optical measurement camera lens and this liquid crystal panels fix, avoid again contraposition to cause the measurement condition to change, improve accuracy in measurement.

Claims (10)

1. adjustable optical measurement equipment, it comprises a bearing substrate and a clamping substrate, this bearing substrate comprises a storage tank, this clamping substrate comprise one with the corresponding host cavity of this storage tank, it is characterized in that: this adjustable optical measurement equipment also comprises a rotating shaft, the stacked setting at interval of this bearing substrate and this clamping substrate, this rotating shaft is sandwiched between this bearing substrate and this clamping substrate, uses so that the object that is set on it can freely rotate around this rotating shaft.
2. adjustable optical measurement equipment as claimed in claim 1 is characterized in that: this adjustable optical measurement equipment also comprises a clamping device, and this clamping device grips this bearing substrate and this clamping substrate together.
3. adjustable optical measurement equipment as claimed in claim 2, it is characterized in that: this clamping device comprises at least one locating shaft, at least one spacing washer and at least one nut, this spacing washer is set on this locating shaft, and this locating shaft cooperates this nut that this clamping substrate and this bearing substrate are fixed together.
4. adjustable optical measurement equipment as claimed in claim 3 is characterized in that: this spacing washer is this bearing substrate and this clamping substrate at interval.
5. adjustable optical measurement equipment as claimed in claim 1 is characterized in that: this clamping substrate comprises a pivot hole, and this rotating shaft is housed in this pivot hole.
6. adjustable optical measurement equipment as claimed in claim 5 is characterized in that: this clamping substrate also comprises an arc angle dial, and it is provided with around this pivot hole, and the center of circle in the center of circle of this angle dial and this pivot hole coincides.
7. adjustable optical measurement equipment as claimed in claim 1, it is characterized in that: this adjustable optical measurement equipment also comprises a location device, this locating device comprises at least one " ㄇ " type support, and its two ends are fixed on this bearing substrate surface, and the center section of this support is across this containing cavity.
8. adjustable optical measurement equipment as claimed in claim 8 is characterized in that: this locating device also comprises a location sucker, and it is arranged on the center section of this support, and can be along the direction free lifting perpendicular to this support center section.
9. adjustable optical measurement equipment as claimed in claim 1 is characterized in that: this clamping substrate surface is provided with a magnifier, and it is positioned at the fringe region of this clamping substrate.
10. method for measurement that adopts adjustable optical measurement equipment as claimed in claim 1 to measure liquid crystal indicator, it comprises the steps: to provide a module backlight, and it is housed in the storage tank of this bearing substrate; At least one circular blooming piece is provided, and wherein pericardium is drawn together a through hole, and this blooming piece is set in this rotating shaft by this through hole; One liquid crystal panel is provided, and it is housed in the host cavity of this clamping substrate; Stacked interval is provided with this clamping substrate and this bearing substrate, and makes this blooming piece be interposed between this module backlight and this liquid crystal panel.
CN2007101248216A 2007-12-05 2007-12-05 Adjustable optical measurement jig and measurement method thereof CN101452121B (en)

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Application Number Priority Date Filing Date Title
CN2007101248216A CN101452121B (en) 2007-12-05 2007-12-05 Adjustable optical measurement jig and measurement method thereof

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CN101452121B true CN101452121B (en) 2010-06-02

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105093579A (en) * 2015-07-29 2015-11-25 深圳市华星光电技术有限公司 Auxiliary device for liquid crystal display panel detection
CN105785505B (en) * 2016-05-12 2018-08-07 中国工程物理研究院总体工程研究所 A kind of photonic crystal fiber dead axle device and axis fixation method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1312466A (en) * 2000-03-07 2001-09-12 中国科学院长春光学精密机械与物理研究所 Comprehensive liquid crystal device parameter measuring equipment and method
CN1441235A (en) * 2002-02-25 2003-09-10 瀚宇彩晶股份有限公司 Adjustable optical measurement equipment for liquid crystal panel
CN1991447A (en) * 2005-12-29 2007-07-04 Lg.菲利浦Lcd株式会社 Apparatus for testing liquid crystal display panel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1312466A (en) * 2000-03-07 2001-09-12 中国科学院长春光学精密机械与物理研究所 Comprehensive liquid crystal device parameter measuring equipment and method
CN1441235A (en) * 2002-02-25 2003-09-10 瀚宇彩晶股份有限公司 Adjustable optical measurement equipment for liquid crystal panel
CN1991447A (en) * 2005-12-29 2007-07-04 Lg.菲利浦Lcd株式会社 Apparatus for testing liquid crystal display panel

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