CN105241634A - Measuring probe and measuring system for testing curved surface display panel - Google Patents

Measuring probe and measuring system for testing curved surface display panel Download PDF

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Publication number
CN105241634A
CN105241634A CN201510779027.XA CN201510779027A CN105241634A CN 105241634 A CN105241634 A CN 105241634A CN 201510779027 A CN201510779027 A CN 201510779027A CN 105241634 A CN105241634 A CN 105241634A
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China
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light conducting
conducting cylinder
port
sleeve pipe
described light
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CN201510779027.XA
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CN105241634B (en
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陈黎暄
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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  • Spectrometry And Color Measurement (AREA)

Abstract

The present invention discloses a measuring probe and measuring system for testing curved surface display panel. The measuring probe comprises a light guide cylinder, and the light guide cylinder includes a first port and a second port which are conductive. The first port is configured to connect a color analysis device, and the second port is configured to receive a ray of light emitted by the curved surface display panel, wherein the end face of the second port of the light guide cylinder is arc-shaped in at least one direction. According to the invention, the accuracy of the test may be improved.

Description

For measuring sonde and the measuring system of testing curved surface display panel
Technical field
The present invention relates to display technique field, particularly relate to a kind of measuring sonde for testing curved surface display panel and measuring system.
Background technology
Flexible displays refers to that screen is with certain curvature, the display having certain curved-surface shape, and it normally adopts the mode of machinery carry out bending to flat-panel screens and obtain.Compared with flat-panel screens, flexible displays has the advantages such as contrast is outstanding, visual angle is more extensive, immersion experience, makes flexible displays just become the new trend in monitor market.
Flexible displays, before dispatching from the factory, usually all needs to detect, such as, carries out the detection of lightness colors and other parameters of display, to guarantee the outgoing quality of flexible displays.In testing process, flexible displays is shown, then the light that measuring sonde acquisition flexible displays sends is utilized, utilize color analysis instrument to process to obtain the brightness of flexible displays, color and other parameter informations to the light that measuring sonde obtains, thus realize the detection to flexible displays.
But existing metering system is generally utilize the measuring sonde of measurement plane display to measure flexible displays.As shown in Figure 1, the curved face display panel 11 of flexible displays is curved-surface structure, the surface tracks of curved face display panel 11 is curve in the horizontal direction, and it is traditional for detecting the measuring sonde 12 of lightness colors owing to being the design for flat-panel screens, therefore its port is generally plane, measuring sonde 12 and curved face display panel 11 will be caused thus to there is space, space h as shown in the figure.For the curved face display panel of differently curved degree, the size of space h is also different.And the existence of space h can affect the accuracy of measuring sonde 12, this is because the surround lighting in the external world can enter measuring sonde 12 by reflex, and when taking multiple measurements, the non-seamless laminating of measuring sonde 12 and curved face display panel 11 can cause position when measuring to there is Light Difference, all can reduce the accuracy of measurement at every turn.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of measuring sonde for testing curved surface display panel and measuring system, can improve the accuracy of test.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of measuring sonde for testing curved surface display panel, it is characterized in that, comprise light conducting cylinder, described light conducting cylinder comprises the first port and second port of conducting, described first port in order to connect color analysis equipment, the light that described second port sends in order to receive described curved face display panel; The end face curved shape at least in one direction of the second port of wherein said light conducting cylinder.
Wherein, described measuring sonde comprises regulating part; Described regulating part is arranged on the outside surface of described light conducting cylinder movably, described light conducting cylinder is elastic at least partly, second port of described light conducting cylinder is positioned in described elastic, described regulating part is connected with the part edge of the second port of described light conducting cylinder, with along the part edge pulling the second port of described light conducting cylinder during the axially-movable of described light conducting cylinder, and then change the curvature at edge of the second port of described light conducting cylinder.
Wherein, described regulating part comprises sleeve pipe and fixture, described casing pipe sleeve is located on described light conducting cylinder, the part edge of the second port of described light conducting cylinder is connected with described sleeve pipe, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described sleeve pipe is fixed by described fixture and described light conducting cylinder.
Wherein, described fixture is bolt, and described sleeve pipe is provided with the screw matched with described bolt, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described bolt rotates into described screw described sleeve pipe and described light conducting cylinder to be fixed.
Wherein, described elastic adopts elastomeric material to be formed.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of measuring system for testing curved surface display panel, comprise measuring sonde and color analysis equipment, described measuring sonde comprises light conducting cylinder, described light conducting cylinder comprises the first port and second port of conducting, described first port connects color analysis equipment, the light that described second port sends in order to receive described curved face display panel; The end face curved shape at least in one direction of the second port of wherein said light conducting cylinder.
Wherein, described measuring sonde comprises regulating part; Described regulating part is arranged on the outside surface of described light conducting cylinder movably, described light conducting cylinder is elastic at least partly, second port of described light conducting cylinder is positioned in described elastic, described regulating part is connected with the part edge of the second port of described light conducting cylinder, with along the part edge pulling the second port of described light conducting cylinder during the axially-movable of described light conducting cylinder, and then change the curvature at edge of the second port of described light conducting cylinder.
Wherein, described regulating part comprises sleeve pipe and fixture, described casing pipe sleeve is located on described light conducting cylinder, the part edge of the second port of described light conducting cylinder is connected with described sleeve pipe, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described sleeve pipe is fixed by described fixture and described light conducting cylinder.
Wherein, described fixture is bolt, and described sleeve pipe is provided with the screw matched with described bolt, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described bolt rotates into described screw described sleeve pipe and described light conducting cylinder to be fixed.
Wherein, described elastic adopts elastomeric material to be formed.
The invention has the beneficial effects as follows: the situation being different from prior art, measuring sonde of the present invention, comprise light conducting cylinder, light conducting cylinder comprises the first port and second port of conducting, the wherein light that sends in order to receive curved face display panel of the second port, by making the end face curved shape at least in one direction of the second port of light conducting cylinder, thus on the display surface the second port of light conducting cylinder being placed on curved face display panel to receive the light of curved face display panel time, at least part of edge of the second port of light conducting cylinder and the arc display surface of curved face display panel can be made to match, thus at least part of edge of the second port can be fitted tightly with the display surface of curved face display panel, ambient light can be reduced thus and enter light conducting cylinder by the second port, the accuracy of test can be improved, and the consistance of position during each test can be improved when repeatedly testing, the further accuracy improving test.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of a kind of measuring sonde of prior art;
Fig. 2 is the structural representation of the present invention for measuring sonde one embodiment of testing curved surface display panel;
Fig. 3 is the structural representation of the present invention for another embodiment of measuring sonde of testing curved surface display panel;
Fig. 4 is the structural representation of the present invention for the another embodiment of measuring sonde of testing curved surface display panel;
The structural representation of Fig. 5 to be the present invention for the Department of Survey of testing curved surface display panel unify embodiment.
Embodiment
Below in conjunction with drawings and embodiments, the present invention is described in detail.
Consult Fig. 2, the present invention is used in measuring sonde one embodiment of testing curved surface display panel, and measuring sonde comprises light conducting cylinder 21.Light conducting cylinder 21 comprises the first port 211 and the second port 212 of conducting.
Wherein, the light that the first port 211 sends in order to receive curved face display panel 40 in order to connect color analysis equipment 30, second port 212, thus light penetrates to color analysis equipment 30 through the first port of light conducting cylinder 21.Color analysis equipment 30 detects the parameter value of curved face display panel 40 according to the light that light conducting cylinder 21 receives, such as brightness, color and other parameter values, thus realizes the detection to curved face display panel 40.
Wherein, the end face of the second port 212 curved shape at least in one direction.The display surface of curved face display panel 40 is umbilicate curved surface.In present embodiment, as shown in the figure, the end face of the second port 212 is the arc shape in intermediate projections at the direction of a curve AB of the display surface of curved face display panel 40, and make the edge of the second port 212 be the camber line of intermediate projections, namely the opening shape of the second port 212 is the arc along direction of a curve AB.Thus, when the display surface the second port 212 of light conducting cylinder 21 being placed on curved face display panel 40 is with the light receiving curved face display panel 40 and send, the edge of the second port 212 and the arc display surface of curved face display panel 40 can be made to match, thus the edge of the second port 212 can be made can to fit tightly with the display surface of curved face display panel 40, can reduce ambient light thus enters in light conducting cylinder 21, avoid the impact of ambient light on test result, improve the accuracy of test.And because the edge of the second port 212 and the arc display surface of curved face display panel 20 match, when needs are repeatedly tested, the consistance of the second port 211 position on the display face during each test can be improved, the accuracy of test result can be improved further.
Consult Fig. 3, in another embodiment of measuring sonde of the present invention, further, measuring sonde also comprises regulating part 22.Regulating part 22 is arranged on the outside surface of light conducting cylinder 21 movably.Wherein, light conducting cylinder 21 is elastic 213 at least partly, and its second port 212 is positioned in elastic 213.Regulating part 22 is connected with the part edge of the second port 212 of light conducting cylinder 21, thus at regulating part 22 along the part edge that can pull the second port 212 of light conducting cylinder 21 during the axially-movable of light conducting cylinder 21, and then the curvature at edge of the second port 212 of light conducting cylinder 21 can be changed, i.e. degree of crook.
Wherein, elastic 231 can adopt elastomeric material to be formed, or other resilient materials are formed.
Further, regulating part 22 comprises sleeve pipe 221 and fixture 222.Sleeve pipe 221 is sheathed on light conducting cylinder 21, and the part edge of the second port 212 of light conducting cylinder 21 is connected with sleeve pipe 221.Sleeve pipe 221 can along the axially-movable of light conducting cylinder 21, to pull the part edge generation elastic deformation of the second port 212, and then changes the curvature at edge of the second port.
Based on view shown in Fig. 3, when by sleeve pipe 221, (i.e. CD direction) promotes vertically to the right, the elastic deformation at the edge of the second port 212 of light conducting cylinder 21 increases, and the degree of crook at the edge of the second port 212 of light conducting cylinder 21 increases; When by sleeve pipe 221, (i.e. DC direction) promotes vertically left, the elastic deformation at the edge of the second port 212 of light conducting cylinder 21 reduces, and the degree of crook at the edge of the second port 212 of light conducting cylinder reduces.Therefore, by the effect of sleeve pipe 221, the edge of the second port 212 of light conducting cylinder 21 can be changed, thus go for the curved face display panel 40 of different curvature, expand usable range.And, the curvature of the diverse location of same curved face display panel 40 is different, by changing the curvature at the edge of the second port 212 of light conducting cylinder 21, the second port of light conducting cylinder 21 can be made to be adapted to the diverse location of the display surface of same curved face display panel 40, thus when the second port of light conducting cylinder 21 is placed on the diverse location of the display surface of curved face display panel 40, light conducting cylinder 21 can be made to fit tightly with the display surface of curved face display panel 40, be conducive to carrying out complete detection to curved face display panel 40.
Conveniently push-and-pull sleeve pipe 221, can arrange a lever on sleeve pipe 221, so that promote the axially-movable of sleeve pipe 221 along light conducting cylinder 21.
Wherein, sleeve pipe 221 can be connected with the part edge of the second port 212 by web member 23, and web member 23 can be metal bracelet or rope etc.Certainly, sleeve pipe 221 also can directly be connected with the part edge of the second port 212, such as through hole can be set in sleeve pipe 221, because the edge of the second port 212 has elasticity, therefore the part edge of the second port 212 can be stretched to sleeve pipe 221 and pass the through hole on sleeve pipe 221, to be bound by this through hole and sleeve pipe 221, thus fixing both realizing.
Sleeve pipe 221 along light conducting cylinder 21 axially move to precalculated position time, sleeve pipe 221 is fixed by fixture 222 and light conducting cylinder 21.Wherein, precalculated position is determined according to the curvature of the display surface of curved face display panel 40, can fit tightly with the edge and display surface that make the second port 212 when sleeve pipe 221 is positioned at precalculated position.
Fixture 222 is bolt.Sleeve pipe 221 is provided with the screw matched with bolt, when sleeve pipe 221 is along the moving axially to precalculated position of light conducting cylinder 21, bolt can be rotated in screw, thus is fixed on light conducting cylinder 21 by clamp sleeve.
Certainly, in other embodiments, sleeve pipe 221 also can be fixed by the modes such as buckle and light conducting cylinder 21.And, when the display surface of curved face display panel is the convex surface of intermediate projections, can be pulled by the direction of the part edge of the second port by sleeve pipe to curved face display panel, to make the end face of the second port be umbilicate arc shape, thus the edge of the second port and the display surface of curved face display panel can be made to fit tightly.Therefore, by measuring sonde of the present invention, can test the curved face display panel of the curved face display panel of middle concave surface or middle convex surface, and the light conducting cylinder of measuring sonde and the display surface of curved face display panel can be made to fit tightly.In addition, regulating part 22 also can adopt other modes such as clip or slide block to realize, slide rail vertically such as can be set on the surface of light conducting cylinder, slide block is connected with the part edge of the second port of light conducting cylinder, by slide block is mobile with the edge generation deformation pulling the second port on slide rail, and slide block is fixed by modes such as buckles when moving to precalculated position, the object of the curvature of change second port can be reached.
In the another embodiment of measuring sonde of the present invention, the curvature at the edge of the second port of light conducting cylinder can also be changed by extruding light conducting cylinder.As shown in Figure 4, the shape of light conducting cylinder 31 be from the first port to the second port increase gradually horn-like, namely the opening of the second port 312 is greater than the opening of the first port.The end face of the second port 312 of light conducting cylinder 31 is at the curved shape of the direction of a curve of the display surface of curved face display panel 40.Light conducting cylinder 31 adopts elastomeric material to be formed, and has certain elasticity.
Wherein, measuring sonde comprises an extruded tube 32, and extruded tube 32 is set on light conducting cylinder 31.Wherein, the opening diameter of extruded tube 32 can be the opening diameter of the first port 311 being a bit larger tham light conducting cylinder 31, thus extruded tube 32 will produce extruding to light conducting cylinder 31 when being moved along the direction from the first port 311 to the second port 312 by extruded tube 32, and then the degree of crook at edge of the second port 312 can be changed, the second port 312 of light conducting cylinder 31 can be made thus can be applicable to the curved face display panel of different curvature.
In other embodiments of measuring sonde of the present invention, measuring sonde also comprises receiver, the light that receiver is used for light conducting cylinder to receive is converted to electric signal, and by electric signal transmission to color analysis equipment, thus color analysis equipment is according to the parameter value of electrical signal detection curved face display panel.Certainly, receiver also can be integrated in color analysis equipment.
Consult Fig. 5, the present invention is used in the measuring system of testing curved surface display panel, and measuring system comprises interconnective measuring sonde 51 and color analysis equipment 52.Wherein, the light that measuring sonde 51 sends for receiving curved face display panel, the light that color analysis equipment 52 receives according to measuring sonde 51 detects the brightness of curved face display panel, color and other parameters, to realize the test to curved face display panel.
Wherein, the structure of measuring sonde 51 is identical with using method with the structure of the measuring sonde described in aforementioned arbitrary embodiment with using method.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. the measuring sonde for testing curved surface display panel, it is characterized in that, comprise light conducting cylinder, described light conducting cylinder comprises the first port and second port of conducting, described first port in order to connect color analysis equipment, the light that described second port sends in order to receive described curved face display panel;
The end face curved shape at least in one direction of the second port of wherein said light conducting cylinder.
2. measuring sonde according to claim 1, is characterized in that, described measuring sonde comprises regulating part;
Described regulating part is arranged on the outside surface of described light conducting cylinder movably, described light conducting cylinder is elastic at least partly, second port of described light conducting cylinder is positioned in described elastic, described regulating part is connected with the part edge of the second port of described light conducting cylinder, with along the part edge pulling the second port of described light conducting cylinder during the axially-movable of described light conducting cylinder, and then change the curvature at edge of the second port of described light conducting cylinder.
3. measuring sonde according to claim 2, it is characterized in that, described regulating part comprises sleeve pipe and fixture, described casing pipe sleeve is located on described light conducting cylinder, the part edge of the second port of described light conducting cylinder is connected with described sleeve pipe, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described sleeve pipe is fixed by described fixture and described light conducting cylinder.
4. measuring sonde according to claim 3, it is characterized in that, described fixture is bolt, described sleeve pipe is provided with the screw matched with described bolt, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described bolt rotates into described screw described sleeve pipe and described light conducting cylinder to be fixed.
5. measuring sonde according to claim 2, is characterized in that, described elastic adopts elastomeric material to be formed.
6. the measuring system for testing curved surface display panel, it is characterized in that, comprise measuring sonde and color analysis equipment, described measuring sonde comprises light conducting cylinder, described light conducting cylinder comprises the first port and second port of conducting, described first port connects color analysis equipment, the light that described second port sends in order to receive described curved face display panel;
The end face curved shape at least in one direction of the second port of wherein said light conducting cylinder.
7. measuring system according to claim 6, is characterized in that, described measuring sonde comprises regulating part;
Described regulating part is arranged on the outside surface of described light conducting cylinder movably, described light conducting cylinder is elastic at least partly, second port of described light conducting cylinder is positioned in described elastic, described regulating part is connected with the part edge of the second port of described light conducting cylinder, with along the part edge pulling the second port of described light conducting cylinder during the axially-movable of described light conducting cylinder, and then change the curvature at edge of the second port of described light conducting cylinder.
8. measuring system according to claim 7, it is characterized in that, described regulating part comprises sleeve pipe and fixture, described casing pipe sleeve is located on described light conducting cylinder, the part edge of the second port of described light conducting cylinder is connected with described sleeve pipe, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described sleeve pipe is fixed by described fixture and described light conducting cylinder.
9. measuring system according to claim 8, it is characterized in that, described fixture is bolt, described sleeve pipe is provided with the screw matched with described bolt, described sleeve pipe along described light conducting cylinder axially move to precalculated position time, described bolt rotates into described screw described sleeve pipe and described light conducting cylinder to be fixed.
10. measuring system according to claim 7, is characterized in that, described elastic adopts elastomeric material to be formed.
CN201510779027.XA 2015-11-13 2015-11-13 Measuring probe and measuring system for testing curved surface display panel Active CN105241634B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105910798A (en) * 2016-04-13 2016-08-31 京东方科技集团股份有限公司 Bearing device, bearing system and test evaluation system
CN108680343A (en) * 2018-05-22 2018-10-19 歌尔股份有限公司 A kind of flexible screen detection method and detection device
CN111982474A (en) * 2020-08-21 2020-11-24 维信诺科技股份有限公司 Optical characteristic detection device and detection method for curved surface display panel
CN114326183A (en) * 2022-01-27 2022-04-12 苏州啸百光电技术有限公司 Detection apparatus for arc display panel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2220648Y (en) * 1994-03-31 1996-02-21 周祖琳 Simple micro-photographing apparatus
CN201974570U (en) * 2011-03-25 2011-09-14 李芸青 Varied distorting mirror
JP2012199035A (en) * 2011-03-18 2012-10-18 Stanley Electric Co Ltd Linear light-emitting led lighting system
CN103091074A (en) * 2013-01-09 2013-05-08 深圳市华星光电技术有限公司 Flicker degree measuring device and system of display panel
CN103941456A (en) * 2014-05-14 2014-07-23 深圳市华星光电技术有限公司 Curvature adjustment structure for curved-surface liquid crystal displayer
CN104913388A (en) * 2015-06-09 2015-09-16 广东美的制冷设备有限公司 Indoor unit of air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2220648Y (en) * 1994-03-31 1996-02-21 周祖琳 Simple micro-photographing apparatus
JP2012199035A (en) * 2011-03-18 2012-10-18 Stanley Electric Co Ltd Linear light-emitting led lighting system
CN201974570U (en) * 2011-03-25 2011-09-14 李芸青 Varied distorting mirror
CN103091074A (en) * 2013-01-09 2013-05-08 深圳市华星光电技术有限公司 Flicker degree measuring device and system of display panel
CN103941456A (en) * 2014-05-14 2014-07-23 深圳市华星光电技术有限公司 Curvature adjustment structure for curved-surface liquid crystal displayer
CN104913388A (en) * 2015-06-09 2015-09-16 广东美的制冷设备有限公司 Indoor unit of air conditioner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105910798A (en) * 2016-04-13 2016-08-31 京东方科技集团股份有限公司 Bearing device, bearing system and test evaluation system
CN105910798B (en) * 2016-04-13 2018-11-23 京东方科技集团股份有限公司 A kind of bogey, bearing system and test evaluation system
CN108680343A (en) * 2018-05-22 2018-10-19 歌尔股份有限公司 A kind of flexible screen detection method and detection device
CN111982474A (en) * 2020-08-21 2020-11-24 维信诺科技股份有限公司 Optical characteristic detection device and detection method for curved surface display panel
CN111982474B (en) * 2020-08-21 2022-07-22 维信诺科技股份有限公司 Optical characteristic detection device and detection method for curved surface display panel
CN114326183A (en) * 2022-01-27 2022-04-12 苏州啸百光电技术有限公司 Detection apparatus for arc display panel

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