CN101620025A - Display optical detection device and display optical detection method - Google Patents
Display optical detection device and display optical detection method Download PDFInfo
- Publication number
- CN101620025A CN101620025A CN200910111648A CN200910111648A CN101620025A CN 101620025 A CN101620025 A CN 101620025A CN 200910111648 A CN200910111648 A CN 200910111648A CN 200910111648 A CN200910111648 A CN 200910111648A CN 101620025 A CN101620025 A CN 101620025A
- Authority
- CN
- China
- Prior art keywords
- display
- optical
- photoreceptor
- light
- accepting part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention relates to a display optical detection device and a display optical detection method which can be applied to the online and offline production in the manufacture procedure of a display. The device comprises an optical receptor, optical guide assemblies and optical sensing assemblies, wherein the optical guide assemblies can adjust the configuration density and the position according to the measuring requirements of various visual angles and azimuth angles. The display optical detection method comprises the following steps: providing a hollow optical receptor shaped like a semi-circular shell and provided with a plurality of optical guide assemblies; placing the optical receptor on the[in an] area to be detected on the display so as to lead the optical guide assemblies to receive an optical signal radiated by the display and then transfer the optical signal to the optical sensing assemblies at the outer part of the optical receptor; and converting the optical signal into a charge signal for processing conveniently. The device and the detection method not only can reduce the time and the cost needed during detection but also can achieve the aim for carrying out real-time full detection on a product on line.
Description
Technical field
The present invention relates to a kind of in order to measure the optical detection apparatus and the detection method thereof of the every optical parametric of display, can receive simultaneously from the incident light on each visual angle of display and the deflection, save detection time and the purpose of producing the full inspection of online (in-line) product to reach.
Background technology
In recent years, because selling fast of scientific-technical progress and all kinds of consumer electronics, impelled the rise of the flourish and all kinds of new industries of many industries, such as integrated circuit (IC), printed circuit board (PCB) (PCB), Thin Film Transistor-LCD (TFT-LCD), electronic packaging/encapsulation (package), and optical communication industry or the like, various industries all occupy a tiny space in electronics industry now.The making of electronic package and product generally all is a difficulty and complicated, is fabricated to example with the panel industry, and is upright from the making of thin film transistor (TFT), panel sets, the formation of whole module to the end, during may pass through complicated processing procedure and formality.Wherein, the formality of per pass processing procedure all may cause the shakiness of processing procedure because of the difference of working condition and various emergency situations and have influence on the quality of final finished.So its electronic product of producing all must carry out electrical and optical detection miscellaneous in each process stage, with quality and the fiduciary level of guaranteeing product.
With regard to the detection of liquid crystal panel, its colourity (chromaticity), briliancy (Luminance), visual angle (viewing angle) measure with contrast optical parametrics such as (contrast) and play the part of role of the utmost importance in the LCD QCs.
The optical detection of tradition liquid crystal panel is limited in off-line test (off-line, be the measurement of the real-time formula of nonproductive online in-line) environment in, so can only carry out quality monitoring with random sampling pattern, can't effectively control product quality, no matter the owner is all caused adverse influence on time and cost.Moreover, the single-point method for measurement that use in the existing panel detection technology more.So, measure whole front panel, detecting board must be with two-dimensional approach mobile optical probe or panel, and this measure will expend considerable detection time.Moreover, in order to obtain optical parametrics such as different visual angles and azimuthal colourity, briliancy, optic probe or panel must be made relative angle beat, but the rotation of board and detent mechanism operation are quite complicated in the actual testing agency now, and extra mechanism action can increase required detection time again.As United States Patent (USP) the 6th, 804, disclosed optical detection apparatus in No. 001, this device are the measurement frameworks that is developed out with Fu Shi optical principle (Fourier optics) collocation beam splitting type image spectrum.Wherein, this device more comprises a rotating mechanism, can rotate to different orientation with detecting angle apparatus, obtains the colourity and the every optical information of briliancy of tested point different visual angles whereby.Yet, identical with the shortcoming of aforementioned prior art, for obtaining each visual angle of whole determinand and azimuthal optical information, it must move and rotate optic probe or panel sample with two-dimensional approach, so the required measurement time is extremely long, and also be not easy to produce the real work of online detection.
Say that to sum up the optical detection board of liquid crystal panel still exists many shortcomings now, slow as measurement speed, checkout equipment takes up space, board complicated and cost an arm and a leg etc.Wherein person the most very is and can't directly measures in the online processing procedure of actual production, only can just carry out product and examine entirely with the random fashion sampling Detection or after processing procedure finishes, the fraction defective that this practice has increased finished product greatly with increase invisible production cost.So industry is needed a kind of brand-new display optics pick-up unit of exploitation badly, except gratifying detection speed can be provided, also can not take too much production line or factory building space.Wherein most important, be that the complete real-time detection of product that (also comprises off-line test) in the online processing procedure can be provided, with real-time monitoring and guarantee product quality and the fiduciary level of processing procedure.
Summary of the invention
The object of the present invention is to provide a kind of in order to measure the optical detection apparatus and the detection method thereof of the every optical parametric of display, this device and detection method thereof have not only reduced and have detected required time and cost, have more realized online product being carried out the purpose of full inspection in real time.
For reaching above-mentioned purpose, the present invention proposes a kind of display optics pick-up unit, comprising:
One photoreceptor is semicircle housing hollow structure inside, and cover cap is on the display plane of display to be measured;
A plurality of leaded light components, in order to conduct the light of described display plane institute radiation, its first end is distributed on the hollow face of described photoreceptor inside, and second end passes and extends to described photoreceptor outside; And
A plurality of optical sensing subassemblies are with the coupling of second end of described a plurality of leaded light components, in order to receive the light of described display plane institute radiation.
The present invention has also disclosed a kind of display optics detection method, comprises the following steps:
(1) provides one to be the photoreceptor of semicircle hull shape inner hollow, and plural leaded light component is set thereon;
(2) described photoreceptor is placed zone to be measured on the display, make described a plurality of leaded light component receive the light signal of described display institute radiation, be passed to a plurality of optical sensing subassemblies of described photoreceptor outside thereupon;
(3) convert above-mentioned light signal to charge signal, in order to processing.
Distinguishing feature of the present invention is to pass through novel structure design, make this device and detection method thereof not only can simplify pick-up unit, save general optical detection required time, save production cost, do monitoring in real time among more can directly importing the online making flow process of production, all can reach quality requirements with the optical appearance of guaranteeing all products.
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Description of drawings
Fig. 1 is the sectional view of display optics pick-up unit in the embodiment of the invention;
Fig. 2 is that optical detection apparatus places synoptic diagram on the panel in the embodiment of the invention;
Fig. 3 is the synoptic diagram that the explanation light signal transmits in leaded light component of the present invention;
Fig. 4 is the synoptic diagram that leaded light component is connected with external device (ED);
Fig. 5 a is the vertical view of different visual angles and azimuth position in the embodiment of the invention one semicircular body;
Fig. 5 b be in the embodiment of the invention leaded light component according to the configuration mode synoptic diagram under the different visual angles;
Fig. 5 c be in the embodiment of the invention leaded light component according to the configuration mode synoptic diagram under the different orientations;
Fig. 6 is the synoptic diagram that sees through the online use leaded light component in rotation minimizing position angle of photoreceptor in the embodiment of the invention;
Fig. 7 a and Fig. 7 b are the synoptic diagram that sees through the online use leaded light component in slip minimizing visual angle of photoreceptor different parts in another embodiment of the present invention;
Fig. 8 is used in the synoptic diagram that general panel of LCD is made flow process for optical measurement device in the embodiment of the invention.
Embodiment
At first with reference to Fig. 1, it is the sectional view of display optics pick-up unit 100 in the embodiment of the invention.In embodiment, optical detection apparatus 100 comprises a photoreceptor 101, a plurality of leaded light component 103 and optical sensing subassembly 105.In embodiments of the present invention, photoreceptor 101 is good with the semi circular shells body structure, its inner hollow space that forms.When detecting, photoreceptor 101 will place on the light-emitting area of tested panel 107, so the light that panel 107 gives off can be shrouded in photoreceptor 101 volume inside.Arrow shown in the figure has represented that promptly a certain fixed point is to the light direction at each visual angle of external radiation on the panel 107.Have a plurality of leaded light components 103 on the photoreceptor 101, the one end is arranged on photoreceptor 101 inside surfaces, and the other end then extends through photoreceptor 101 and outside optical sensing subassembly 105 couplings.Leaded light component 103 inlet ends are disposed at photoreceptor 101 inside, can accept to conduct to photoreceptor 101 outsides from the light of each angle institute incident and with it.In embodiments of the present invention, leaded light component 103 can be optical fiber, and it has comprised the optical fiber of quartz, glass or plastics class.Number that leaded light component 103 is provided with on photoreceptor 101 and position system decide on user's detection details and demand, and its set-up mode will illustrate in follow-up embodiment.Fig. 2 is that optical detection apparatus 100 places the synoptic diagram on the panel 107, and as shown in the figure, the user can cover on photoreceptor 101 on the plane domain that any institute desire detects on the panel 107.Big or small visual panel 107 sizes that must note photoreceptor 101 change with user's testing conditions or adjust, and are not limited to present among the figure relative scale of panel 107 and photoreceptor 101.Then with reference to Fig. 3, it has illustrated the situation that light signal conducts in leaded light component 103.In the present embodiment, leaded light component 103 has comprised a core position (Core) 110 and a shell position (Cladding) 111.Wherein, core position 110 is to be responsible for the position that light signal transmits in the leaded light component 103, and 111 at shell position is coated on 110 peripheries, core position.The light that display panel sent can enter leaded light component 103 core positions 110 by the inlet end in photoreceptor 101 inside from leaded light component 103.The light of incident can be in the core position 110 with the total reflection that constantly produces at the interface at shell position 111 (total internal reflection TIR) makes light signal intensity in reflection process can not decay and real signal can be passed to the destination in a distant place.So the refractive index at core position 110 must just can be reached the transfer mechanism of total reflection greatly than shell position 111.
With reference to Fig. 4, it has represented the annexation of leaded light component 103 in photoreceptor 101 outsides thereupon.As shown in FIG., leaded light component 103 is passed to this place away from an end of photoreceptor 101 and an optical sensing subassembly 105 couplings and with light signal.Optical sensing subassembly 105 becomes the image information of form of electrical charges to be sent to processor 109 through opto-electronic conversion the light signal that receives.But processor 109 can compile the charge signal that transmits from a plurality of optical sensing subassemblies 105 simultaneously and be analyzed or convert to the numeral processing signals, wish to get all kinds of optical parametrics of knowing to obtain the user, as the numerical value such as colourity, briliancy, visual angle and contrast of display panel.
The detection demand that the user is looked closely in number that leaded light component 103 of the present invention is provided with on photoreceptor 101 and position and deciding.Fig. 5 a has represented that leaded light component is according to consideration and the configuration mode of different visual angles (viewing angle) with position angle (azimuth angle) in the embodiment of the invention.The vertical view of Fig. 5 a for looking down from semicircle hull shape photoreceptor 101 end faces.Thick line among the figure promptly represented when from the light of display plane from photoreceptor 101 bottom center to around the visual angle line of its each view directions and photoreceptor 101 inside surface intersections during radiation, the visual angle line is for passing through the camber line in the photoreceptor 101 inside surface centers of circle; Circular dashed line among the figure then represented from the light of display plane from photoreceptor 101 bottom center to around the azimuth line that produced during radiation, each azimuth line is for being the concentric circles in the center of circle with photoreceptor 101 bottom center.According to above-mentioned about display plane for visual angle and azimuthal definition, shown in Fig. 5 b, when the optical numerical value on a certain certain viewing angles direction of user's desire measurement display, it can be arranged on leaded light component 103 this visual angle online (camber line for distributing along its inner plane on photoreceptor 101), and the online leaded light component that disposes 103 density in visual angle are decided on the fineness that user's desire measures.And in Fig. 5 c, it has represented leaded light component 103 at each azimuthal configuration scenario of display, and the visual demand of user determines leaded light component 103 density that dispose in each azimuth line.
Join on photoreceptor the position and density of cloth except the decision leaded light component, also proposed a kind of method of leaded light component capable of reducing using among other the embodiment of the present invention, its rotation or activity through photoreceptor reaches this effect.As shown in Figure 6, its rotation of having represented to see through in the embodiment of the invention photoreceptor 101 reduces the practice of the leaded light component 103 that the online institute in position angle must use, the white circle 113 among the figure represent former should the online leaded light component that disposes in position angle (this embodiment is depicted as four).The user can need to dispose extra leaded light component by the general practice and just can reach if desire increases the density of check point in this azimuth line in the past.Yet in embodiments of the present invention, photoreceptor 101 can carry out axial rotation by its circle core shaft, and its rotation direction is shown in the black arrow among the figure.After photoreceptor 101 rotated, original leaded light component that disposes can move to the another location, shown in the close line circle 115 among the figure, so can measure online other the azimuthal optical parametric in this position angle by identical leaded light component.With this practice, the user can detect the numerical value of white circle 113 positions earlier in testing process, in between detection period, rotate afterwards, the continuous numerical value that measures close line circle 115 positions, so can obtain number under the same number of leaded light component condition in doubly optical detection data in configuration, reduce simultaneously and detect required time and cost.Must notice that the rotation direction in the present embodiment only is provided with the usefulness of explanation, among the Yu Shizuo, photoreceptor 101 can also counterclockwise rotate, and is self-evident.
Except can reducing the online configured number in position angle, the present invention also provides the method for the required configuration amount of the online leaded light component in another kind of minimizing visual angle, as Fig. 7 a and Fig. 7 b those shown, it reduces the practice of the leaded light component 103 of the online institute in visual angle palpus use by the slip that sees through photoreceptor 101 different parts in another embodiment of the present invention.Can see that from Fig. 7 b the photoreceptor 101 in the present embodiment is divided into first light accepting part 117 and second light accepting part 119.White circle 121 among the figure was for originally being arranged on the leaded light component (for example two) of photoreceptor 101 first light accepting parts 117.Second light accepting part 119 of present embodiment hypothesis photoreceptor 101 there is no any leaded light component is set.The user needed just can reach in this place's extra leaded light component of configuration by the general practice if desire detects the optical numerical value of this online other check point in visual angle of second position in the past.So, in embodiments of the present invention, photoreceptor 101 is to be designed to its first light accepting part and second light accepting part can slide along track mutually, and making wherein, a light accepting part and another light accepting part coincide.Its moving direction can be shown in the arrow among Fig. 7 a and Fig. 7 b.In the present embodiment, can coincide above or below its second light accepting part 119 after photoreceptor 101 first light accepting parts 117 slide, be arranged on close line circle 123 places that leaded light component (white circle 121) on first light accepting part 117 can move to second light accepting part, 119 directions this moment originally.With this practice, the user can detect the numerical value of white circle 121 positions earlier in testing process, carries out the slip of photoreceptor 101 first light accepting parts 117 or second light accepting part 119 afterwards between detection period, the continuous numerical value that measures close line circle 123 positions.So only the leaded light component that some is set in photoreceptor 101 one side of something just can detect the optical detection data on the whole photoreceptor 101 under the same view angle, reduce simultaneously and detect required time and cost.
Say as described above, optical detection apparatus of the present invention design because simple in structure, be provided with conveniently, have concurrently and can detect the gauge point on each visual angle and position angle on the display pannel, so be fit to very much be applied in the product test of production online in real time with the time.It is used as shown in Figure 8, and it is used in the synoptic diagram that general panel of LCD is made flow process for optical measurement device of the present invention.As shown in the figure, the making flow process of general LCD has comprised array (array), panel (cell), has reached module three sections main processing procedures such as (module).The array processing procedure mainly is the manufacturing of carrying out thin film transistor base plate (TFT, thin-film transistor) and colored filter (colorfilter); The panel processing procedure then is that thin film transistor base plate and colored filter substrate that leading portion array processing procedure is finished are carried out steps such as orientation processing, contraposition applying and liquid crystal injection; In last module processing procedure, the liquid crystal panel of being finished can with the automatic splice module of coil type (TAB, tape automatic bonding), printed circuit board (PCB) (PCB, printed circuit board), backlight module (back-light), and housing multiple peripheral spare parts such as (frame) assemble.In general LCD processing procedure, after finishing, the panel processing procedure before entering the modularization processing procedure, has P inspection website (panel detection respectively one, panel inspection) (module detects with M inspection website, module inspection), it detects content nothing more than being the yield analysis of liquid crystal panel before and after modularization.Optical detection apparatus of the present invention can directly import among the general panel processing procedure, for example, as between P inspection website and module website, adding one online (in-line) optical detection website, or between module website and M inspection website, add another online optical detection website, to promote the fiduciary level and the quality of liquid crystal panel finished product.The advantage of the embodiment of the invention is for can directly import online processing procedure.As shown in Figure 8, in the online processing procedure, the LCD semi-manufacture can be arranged in and carry out moving between the processing procedure website on the tape mechanism 125, and optical detection apparatus of the present invention can be adopted overhead type and be arranged on tape mechanism 125 upper fixed positions, and the product of each process is carried out optical detection.This kind design can not only be reached the demand in the full inspection of line products, does not also influence the normal flow that panel is made.
Say that to sum up the structure of the embodiment of the invention and the design of method system are applied in the optical detection step in the display pannel making flow process.Its novel structure design has not only reached the function of simplifying pick-up unit, saving general optical detection required time, do monitoring in real time among more can directly importing the online making flow process of production, all can reach quality requirements with the optical appearance of guaranteeing all products.
More than be preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention when the function that is produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (10)
1, a kind of display optics pick-up unit is characterized in that: comprising:
One photoreceptor is semicircle housing hollow structure inside, and cover cap is on the display plane of display to be measured;
A plurality of leaded light components, in order to conduct the light of described display plane institute radiation, its first end is distributed on the hollow face of described photoreceptor inside, and second end then passes and extends to described photoreceptor outside; And
A plurality of optical sensing subassemblies are with the coupling of second end of described a plurality of leaded light components, in order to receive the light of described display plane institute radiation.
2, display optics pick-up unit according to claim 1, it is characterized in that: described a plurality of leaded light components comprise quartzy type optical fiber, category of glass optical fiber or plastics type optical fiber, described a plurality of optical sensing subassembly comprises Charged Coupled Device (CCD, Charge-coupled Device) or CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal Oxide Semiconductor, CMOS) sensor.
3, display optics pick-up unit according to claim 1 is characterized in that: also comprise the coupling of a light signal processing unit and described optical sensing subassembly, but convert the numeral processing signals to the light signal that will receive.
4, display optics pick-up unit according to claim 1 is characterized in that: described photoreceptor can be made axial rotation by its circle core shaft, makes described a plurality of leaded light component can receive the light signal of described photoreceptor different orientations.
5, display optics pick-up unit according to claim 1, it is characterized in that: described photoreceptor comprises first light accepting part and second light accepting part, and described second light accepting part slidably coincides to receive the light signal on the described photoreceptor different visual angles with described first light accepting part.
6, a kind of display optics detection method is characterized in that: comprise the following steps:
(1) provides one to be the photoreceptor of semicircle hull shape inner hollow, and plural leaded light component is set thereon;
(2) described photoreceptor is placed zone to be measured on the display, make described a plurality of leaded light component receive the light signal of described display institute radiation, be passed to a plurality of optical sensing subassemblies of described photoreceptor outside thereupon;
(3) convert above-mentioned light signal to charge signal, in order to processing.
7, display optics detection method according to claim 6 is characterized in that: more comprise described photoreceptor is made axial rotation with circle core shaft, make identical described plural leaded light component can detect different azimuth positions.
8, display optics detection method according to claim 6, it is characterized in that: described photoreceptor comprises first light accepting part and second light accepting part, can slide relatively between described first light accepting part and second light accepting part, so that described first light accepting part and second light accepting part coincide, be beneficial to detect different positions, visual angle with identical described a plurality of leaded light components.
9, display optics detection method according to claim 6, it is characterized in that: described a plurality of leaded light components comprise quartzy type optical fiber, category of glass optical fiber or plastics type optical fiber, described a plurality of optical sensing subassembly comprises Charged Coupled Device (CCD, Charge-coupled Device) or CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal Oxide Semiconductor, CMOS) sensor.
10, display optics detection method according to claim 6 is characterized in that: also comprise the coupling of a light signal processing unit and described optical sensing subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910111648A CN101620025A (en) | 2009-05-05 | 2009-05-05 | Display optical detection device and display optical detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910111648A CN101620025A (en) | 2009-05-05 | 2009-05-05 | Display optical detection device and display optical detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101620025A true CN101620025A (en) | 2010-01-06 |
Family
ID=41513372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910111648A Pending CN101620025A (en) | 2009-05-05 | 2009-05-05 | Display optical detection device and display optical detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101620025A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575670A (en) * | 2012-08-08 | 2014-02-12 | 致茂电子股份有限公司 | Optical detection system |
| US20160187680A1 (en) * | 2014-12-30 | 2016-06-30 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | An on-line actual-time monitoring method performed on manufacturing procedures for a display |
| CN107702896A (en) * | 2017-09-30 | 2018-02-16 | 惠州市德赛西威汽车电子股份有限公司 | A kind of display viewing angles characteristic test device |
| CN107884161A (en) * | 2017-09-30 | 2018-04-06 | 惠州市德赛西威汽车电子股份有限公司 | A kind of display visual characteristic test device |
| CN111380669A (en) * | 2018-12-29 | 2020-07-07 | 北醒（北京）光子科技有限公司 | Light source testing device and light source testing method |
| CN112666732A (en) * | 2020-12-29 | 2021-04-16 | 苏州天禄光科技股份有限公司 | Optical detection device of backlight module |
| CN115019353A (en) * | 2021-10-28 | 2022-09-06 | 荣耀终端有限公司 | Module of integrated optical sensor, display panel and display device |
-
2009
- 2009-05-05 CN CN200910111648A patent/CN101620025A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575670A (en) * | 2012-08-08 | 2014-02-12 | 致茂电子股份有限公司 | Optical detection system |
| US20160187680A1 (en) * | 2014-12-30 | 2016-06-30 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | An on-line actual-time monitoring method performed on manufacturing procedures for a display |
| CN107702896A (en) * | 2017-09-30 | 2018-02-16 | 惠州市德赛西威汽车电子股份有限公司 | A kind of display viewing angles characteristic test device |
| CN107884161A (en) * | 2017-09-30 | 2018-04-06 | 惠州市德赛西威汽车电子股份有限公司 | A kind of display visual characteristic test device |
| CN111380669A (en) * | 2018-12-29 | 2020-07-07 | 北醒（北京）光子科技有限公司 | Light source testing device and light source testing method |
| CN112666732A (en) * | 2020-12-29 | 2021-04-16 | 苏州天禄光科技股份有限公司 | Optical detection device of backlight module |
| CN115019353A (en) * | 2021-10-28 | 2022-09-06 | 荣耀终端有限公司 | Module of integrated optical sensor, display panel and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101620025A (en) | Display optical detection device and display optical detection method | |
| CN103674117B (en) | Measure entirely method and device with weak optical fiber Bragg grating temperature and strain based on Raman scattering simultaneously | |
| CN101082590A (en) | Method and device for detecting stress of transparency flat plate or model material | |
| CN103776445B (en) | Amplitude-division polarization navigation angle sensing design method and device | |
| CN105467577A (en) | Optical filter device, optical module, and electronic apparatus | |
| CN108172527A (en) | A kind of Systems for optical inspection | |
| CN101776572A (en) | Liquid refractive index CCD real-time measuring device and measuring method | |
| CN106595479A (en) | Optical fiber type three-dimensional trigger probe device and measuring method | |
| CN104568116A (en) | Optical sensor module | |
| CN101078636A (en) | Hartmann wavefront sensor capable of eliminating stray light of system | |
| CN101776571A (en) | Liquid refractive index real-time measuring device and on-line measuring method | |
| CN207502419U (en) | Glass inspection systems | |
| CN104321638A (en) | SPR sensor cell and SPR sensor | |
| CN106501266A (en) | Optical thin film defect inspection method based on differential interference | |
| CN203100685U (en) | Lens center thickness optical detector | |
| CN203519219U (en) | Automatic glass stress detector | |
| CN102472610A (en) | Outer shape determination device | |
| TWI387739B (en) | Optical inspection device for displayer and method of the same | |
| CN103454253A (en) | Organic phosphorus detection method based on surface plasmon resonance | |
| CN103175481A (en) | Method and device for measuring off-axis optical non-spherical mirror vertex radius | |
| CN204166209U (en) | A kind of polarising means and glass strain pick-up unit | |
| CN103925886A (en) | Wafer deformation detection system and method | |
| CN108088816A (en) | Small-sized specific protein analyzer | |
| CN104819960A (en) | Apparatus and method for measuring glass micro-bead refractive index | |
| CN205262410U (en) | Multiple spot simultaneous measurement single face coated lens's coating film thickness device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100106 |