CN100395599C - Liquid crystal display detector - Google Patents

Liquid crystal display detector Download PDF

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Publication number
CN100395599C
CN100395599C CNB2005101366497A CN200510136649A CN100395599C CN 100395599 C CN100395599 C CN 100395599C CN B2005101366497 A CNB2005101366497 A CN B2005101366497A CN 200510136649 A CN200510136649 A CN 200510136649A CN 100395599 C CN100395599 C CN 100395599C
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China
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screw mandrel
moving mechanism
transverse
base
longitudinal
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CN1800922A (en
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胡元刚
刘志德
戴侃
胡彬
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Hunan Great Wall Science and Technology Information Co., Ltd.
Changsha HCC Hiden Technology Co Ltd
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Greatwall Information Industry Co Ltd
Changsha HCC Hiden Technology Co Ltd
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Abstract

The present invention discloses a liquid crystal display detector which comprises a detecting platform, a lateral moving mechanism, a fore-and-aft moving mechanism, a longitudinal moving mechanism, a rotation mechanism, an electron gun and a computer, wherein the lateral moving mechanism and the rotation mechanism are respectively arranged at both ends of the detecting platform, the longitudinal moving mechanism is arranged on the lateral moving mechanism, the longitudinal moving mechanism is also provided with the fore-and-aft moving mechanism, the electron gun is arranged on the fore-and-aft moving mechanism, and the electron gun, the lateral moving mechanism, the fore-and-aft moving mechanism, the longitudinal moving mechanism and the rotation mechanism are respectively connected with the computer through a cable. The liquid crystal display detector of the present invention adopts a full automatic measurement mode, which is controlled by the computer, and the liquid crystal display detector realizes automatic rotation and automatic measurement data recording for x, y and z axes and a normal line around a liquid crystal screen surface. Thereby, the rapid and efficient processing of the measurement data and the storage and the network transmission of the data are guaranteed, and the automatic measurement of the liquid crystal display is realized.

Description

Liquid crystal display detector
Technical field
The present invention is mainly concerned with the detecting instrument field of LCD, refers in particular to a kind of full automatic liquid crystal display detector.
Background technology
Further spread to people's production along with LCD product, life, the production scale of various LCD products is also in continuous expansion, correspondingly, people also have higher requirement for the quality of LCD product, to various LCD products, such as LCD, the brightness of televisor and Related product, contrast, brightness uniformity, the visual angle, relevant optical property parameter such as color consistency all has corresponding requirement, and in the prior art, general all is to adopt artificial mode to install LCD product, utilize various independent testing tools and software that each important parameter of LCD product is detected one by one then, obtain the accurately data of test, again according in " People's Republic of China's electron trade standard " about the requirement of " computing machine LCD general specification " to LCD product qualified judging whether; Obviously, the mode that this artificial individual event is tested one by one can not satisfy the needs of LCD product large-scale production, it has following shortcoming: 1, need one by one LCD product to be installed monitor station, artificial then according to required azimuth rotation LCD product, be adjusted to each project and detect needed angle, for numerous heavinesses, fragile, expensive LCD product, this artificial installation, the mode efficient of adjusting is low, be prone to the phenomenon of damaging product, and the precision of manually proofreading angle and orientation is not high, finally can not obtain the measured value of degree of precision; 2, this artificial method of measuring one by one need utilize a plurality of instruments, a plurality of software repeatedly to test the complete test that just can finish whole LCD product, and test process is loaded down with trivial details, and complicated operation is not suitable for producing on a large scale needs.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical matters that prior art exists, the invention provides a kind ofly under computer control, can adjust angle automatically, finish the Full Automatic Liquid crystal display tester of whole test processs automatically.
In order to solve the problems of the technologies described above, the solution that the present invention proposes is: a kind of liquid crystal display detector, it is characterized in that: it comprises monitor station, transverse moving mechanism, move forward and backward mechanism, longitudinal moving mechanism, rotating mechanism, electron gun and computing machine, described transverse moving mechanism and rotating mechanism are divided into the two ends of monitor station, described longitudinal moving mechanism is installed on the transverse moving mechanism, transverse moving mechanism comprises transverse axis motor and transverse axis screw mandrel, can adjust transverse axis screw mandrel rotation drive longitudinal moving mechanism and carry out the position adjustment in a lateral direction under the control of computing machine; Be equiped with on the longitudinal moving mechanism and move forward and backward mechanism, longitudinal moving mechanism comprises longitudinal axis motor and longitudinal axis screw mandrel, can adjust longitudinal axis screw mandrel and rotate drive and to move forward and backward mechanism and carry out the position adjustment in a longitudinal direction under the control of computing machine; Electron gun then is installed on and moves forward and backward in the mechanism, move forward and backward mechanism and under the control of computing machine, drive electron gun, this electron gun and transverse moving mechanism, move forward and backward mechanism, longitudinal moving mechanism and rotating mechanism and link to each other with computing machine by cable respectively in the enterprising line position adjustment of fore-and-aft direction.
Described transverse moving mechanism comprises transverse base, transverse axis motor, transverse axis screw mandrel and horizontal concentric shafts, described transverse axis motor is installed in a side of transverse base, the transverse axis screw mandrel is installed in the middle part of transverse base, one end of this transverse axis screw mandrel is fixed on the transverse base, the other end then links to each other by the transverse axis motor of horizontal concentric shafts with transverse base one side, and described transverse axis motor links to each other with computing machine by cable.
Described longitudinal moving mechanism comprises longitudinal axis base, longitudinal axis motor, longitudinal axis screw mandrel and vertical concentric shafts, described longitudinal axis base sheath is located on the transverse axis screw mandrel of transverse moving mechanism, described longitudinal axis motor is installed in a side of longitudinal axis base, longitudinal axis screw mandrel is installed in the middle part of longitudinal axis base, one end of longitudinal axis screw mandrel is fixed on the longitudinal axis base, the other end then links to each other by the longitudinal axis motor of vertical concentric shafts with longitudinal axis base one side, and this longitudinal axis motor links to each other with computing machine by cable.
The described mechanism that moves forward and backward comprises the antero posterior axis base, the antero posterior axis motor, antero posterior axis screw mandrel and front and back concentric shafts, the antero posterior axis base sheath is located on the longitudinal axis screw mandrel of longitudinal moving mechanism, the antero posterior axis motor is installed in a side of antero posterior axis base, the antero posterior axis screw mandrel is installed in the middle part of antero posterior axis base, one end of antero posterior axis screw mandrel is fixed on the antero posterior axis base, the other end then links to each other with the antero posterior axis motor of antero posterior axis base one side by the front and back concentric shafts, this antero posterior axis motor links to each other with computing machine by cable, and described electron gun is installed on this antero posterior axis screw mandrel that moves forward and backward mechanism.
Described rotating mechanism comprises pivoted frame base, turret, screen limiting bracket, regulates screw mandrel and reel cage, the pivoted frame base is fixed on the monitor station, comprise drive motor, gearing, linkage and coupling part in the described pivoted frame base, turret is installed on the pivoted frame base by the coupling part, and link to each other with the output shaft of drive motor with linkage by gearing, the centre of turret is provided with the adjusting screw mandrel, the two ends of regulating screw mandrel are fixed on the turret, be provided with reel cage in the two ends of regulating screw mandrel, described screen limiting bracket is sheathed on to be regulated on the screw mandrel.
Be equipped with the survey screen guide rail on the fore-and-aft direction on the described monitor station, rotating mechanism is sheathed on to be surveyed on the screen guide rail.
Compared with prior art, the invention has the advantages that:
1, liquid crystal display detector of the present invention has adopted all automatic measurement mode, control by computer, can realize robotization, write down measurement data automatically to x, y, z axle and around the rotation of liquid crystal panel normal, thereby ensured rapid, the efficient processing of measurement data and the storage and the Network Transmission of data, laid a good foundation for realizing automatic measurement;
2, liquid crystal display detector of the present invention has adopted the automatic control system of step utmost point motor, measuring accuracy can be set, thereby has simplified operating process greatly, has improved work efficiency, and simplified numerous and diverse manual operations, compare with similar import instrument and have good cost performance.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is the structural representation of rotating mechanism of the present invention.
Marginal data
1, monitor station 2, transverse moving mechanism
21, transverse base 22, transverse axis motor
23, transverse axis screw mandrel 24, horizontal concentric shafts
3, move forward and backward mechanism 31, antero posterior axis base
32, antero posterior axis motor 33, antero posterior axis screw mandrel
34, front and back concentric shafts 4, longitudinal moving mechanism
41, longitudinal axis base 42, longitudinal axis motor
43, longitudinal axis screw mandrel 44, vertical concentric shafts
5, rotating mechanism 51, pivoted frame base
52, turret 53, limiting bracket
54, regulate screw mandrel 55, reel cage
511, drive motor 512, gearing
513, linkage 514, coupling part
6, electron gun 7, computing machine
8, survey the screen guide rail
Embodiment
Below with reference to accompanying drawing the present invention is described in further detail.
As shown in Figure 1, liquid crystal display detector of the present invention comprises monitor station 1, transverse moving mechanism 2, moves forward and backward mechanism 3, longitudinal moving mechanism 4, rotating mechanism 5, electron gun 6 and computing machine 7, transverse moving mechanism 2 and rotating mechanism 5 are divided into the two ends of monitor station 1, longitudinal moving mechanism 4 is installed on the transverse moving mechanism 2, and also be equiped with on this longitudinal moving mechanism 4 and move forward and backward mechanism 3,6 in electron gun is installed on and moves forward and backward in the mechanism 3, and this electron gun 6 links to each other with computing machine 7 by cable.
Transverse moving mechanism 2 of the present invention comprises transverse base 21, transverse axis motor 22, transverse axis screw mandrel 23 and horizontal concentric shafts 24, wherein transverse axis motor 22 is installed in a side of transverse base 21, the centre of this transverse base 21 is an Openworks shape, transverse axis screw mandrel 23 is installed in the hollow-out parts in the middle of the transverse base 21, one end of transverse axis screw mandrel 23 is fixed on the transverse base 21, and the other end then links to each other by the transverse axis motor 22 of horizontal concentric shafts 24 with transverse base 21 1 sides.This transverse axis motor 22 links to each other with computing machine 7 by cable, can adjust transverse axis screw mandrel 23 and rotate under the control of computing machine 7, carries out the adjustment of accurate position in a lateral direction thereby drive the longitudinal moving mechanism 4 that is installed on the transverse moving mechanism 2.
Longitudinal moving mechanism 4 of the present invention comprises longitudinal axis base 41, longitudinal axis motor 42, longitudinal axis screw mandrel 43 and vertical concentric shafts 44, wherein, longitudinal axis base 41 is sheathed on the transverse axis screw mandrel 23 of transverse moving mechanism 2, can carry out moving on the lateral attitude under the control of transverse moving mechanism 2.Longitudinal axis motor 42 is installed in a side of longitudinal axis base 41, the centre of this longitudinal axis base 41 is an Openworks shape, longitudinal axis screw mandrel 43 is installed in the hollow-out parts in the middle of the longitudinal axis base 41, one end of longitudinal axis screw mandrel 43 is fixed on the longitudinal axis base 41, and the other end then links to each other by the longitudinal axis motor 42 of vertical concentric shafts 44 with longitudinal axis base 41 1 sides.This longitudinal axis motor 42 links to each other with computing machine 7 by cable, can adjust longitudinal axis screw mandrel 43 and rotate under the control of computing machine, carries out the adjustment of accurate position in a longitudinal direction thereby drive the travel mechanism 3 that moves forward and backward that is installed on the longitudinal moving mechanism 4.
The mechanism 3 that moves forward and backward of the present invention comprises antero posterior axis base 31, antero posterior axis motor 32, antero posterior axis screw mandrel 33 and front and back concentric shafts 34, wherein, antero posterior axis base 31 is sheathed on the longitudinal axis screw mandrel 43 of longitudinal moving mechanism 4, can carry out moving on the lengthwise position under the control of longitudinal moving mechanism 4.Antero posterior axis motor 32 is installed in a side of antero posterior axis base 31, the centre of this antero posterior axis base 31 is an Openworks shape, antero posterior axis screw mandrel 33 is installed in the hollow-out parts in the middle of the antero posterior axis base 31, one end of antero posterior axis screw mandrel 33 is fixed on the antero posterior axis base 31, and the other end then links to each other with the antero posterior axis motor 32 of antero posterior axis base 31 1 sides by front and back concentric shafts 34.This antero posterior axis motor 32 links to each other with computing machine 7 by cable, can adjust antero posterior axis screw mandrel 33 under the control of computing machine rotates, thereby drive is installed in the electron gun 6 that moves forward and backward in the mechanism 3 and carries out the adjustment of accurate position on fore-and-aft direction, and this electron gun 6 is installed on this antero posterior axis screw mandrel 33 that moves forward and backward mechanism 3.
Rotating mechanism 5 of the present invention comprises pivoted frame base 51, turret 52, screen limiting bracket 53, regulate screw mandrel 54 and reel cage 55, pivoted frame base 51 is fixed on the monitor station 1, comprise drive motor 511 in the pivoted frame base 51, gearing 512, linkage 513 and coupling part 514, turret 52 is installed on the pivoted frame base 51 by coupling part 514, and link to each other with the output shaft of linkage 513 by gearing 512 with drive motor 511, output shaft in turret 52 and the pivoted frame base 51 links to each other, and can make it finish rotational action by the drive motor 511 in the pivoted frame base 51, the centre of turret 52 is provided with regulates screw mandrel 54, the two ends of regulating screw mandrel 54 are fixed on the turret 52, be provided with reel cage 55 in the two ends of regulating screw mandrel 54, can adjusting screw mandrel 54 be rotated by shaking reel cage 55, two screen limiting brackets 53 that are sheathed on the adjusting screw mandrel 54 are moved, until utilizing two screen limiting brackets 53 to clamp LCD to be measured firmly.In preferred embodiment, the present invention can also further be equipped with the survey screen guide rail 8 on the fore-and-aft direction on monitor station 1, pivoted frame base 51 is sheathed on the survey screen guide rail 8, pivoted frame base 51 is moved on survey screen guide rail 8, thereby turret 52 on the drive pivoted frame base 51 and LCD to be measured are in the enterprising line position adjustment of fore-and-aft direction.
Principle of work: at first screen to be measured is located between two screen limiting brackets 53, adjust the reel cage 55 of regulating screw mandrel 54 both sides then, adjust the spacing of screen limiting bracket 53, make it clamp screen to be measured, and to guarantee the reasonable altitudes of screen to be measured, promptly the lower edge of the indication range of screen to be measured will be higher than the extreme lower position of electron gun 6 slightly.To guarantee as far as possible that screen to be measured is vertical placement during fixing screen to be measured, reduce the error in the test process.By the drive motor 511 in the pivoted frame base 51 turret 51 is turned to suitable position.Electron gun 6 is installed on the antero posterior axis screw mandrel 33 that moves forward and backward mechanism 3, screws screw, guarantee the firm of electron gun 6.Check the wiring situation, comprise the parallel port telecommunication cable of the serial communication cable, motion control part of motion control cable, electron gun 6 and computing machine 7, near switching cable etc.Confirm that the good back of wiring starts computing machine 7, enter operation system of software, determine initial position, promptly allow the visual angle of electron gun 6 aim at the position, the lower left corner of screen indication range to be measured.Select test function at last and test accordingly according to prompting.Be exemplified below
With 5 test brightness is example, and its operating process brief introduction is as follows:
1). open software OPTO.
2). press the Start key, software master interface occurs.
3). the input corresponding data.
1. test panel is numbered; 2. test panel model; 3. survey the wide x size of screen; 4. survey the high y size of screen.
4). by ← → key and ↑ ↓ the key Move Mode in, can make accuracy selection (1mm/step or 0.1mm/step).
5). manually look for initial point: earlier in the field with data entry page face right half part, by ← → key and ↑ ↓ key makes the tested screen of the color color difference meter view-finder centrally aligned lower left corner, then gets final product by " Set Origin " key.
6). press the Continue key, show the test function selection page.
7). select test function.(as selecting 5 brightness measurements of mouthful 5 Points Brightness Probing-in the page)
8). press the Continue key, show the preceding parameter affirmation of test frame.
Whether confirm color color difference meter center in the screen upper right corner, as not to by " NO ", then by ← → key and ↑ ↓ press Set Origin key after the key adjustment.
9). press the OK key, promptly test, and show test page.
10). after spending several seconds, show test report.
11.) press the Exit key, withdraw from process of measurement, or carry out the test of sundry item or other screens by other keys.
Liquid crystal display detector of the present invention has adopted all automatic measurement mode, transverse axis motor 22, longitudinal axis motor 42, antero posterior axis motor 32 and rotating shaft electric motor all link to each other with computing machine 7 by cable, the motion control card that each kinematic axis is corresponding independent, and by computing machine 7 unified controlling, can realize lateral shaft, longitudinal axis, 3 interlocks of antero posterior axis, thereby can be to x, y, the rotation that the z axle reaches around liquid crystal panel normal realizes robotization, automatically write down measurement data, thereby ensured the rapid of measurement data, the storage and the Network Transmission of efficient processing and data are laid a good foundation for realizing automatic measurement.Liquid crystal display detector of the present invention has adopted the automatic control system of step utmost point motor, and kinematic axis adopts distance, the angle orientation that can realize little precision, has 1mm and 0.1mm selective as step pitch, and rotating step pitch has 0.9dgr and 0.09dgr selective.Thereby simplified operating process greatly, improved work efficiency, and simplified numerous and diverse manual operations, compared with similar import instrument and have good cost performance.

Claims (6)

1. liquid crystal display detector, it is characterized in that: it comprises monitor station (1), transverse moving mechanism (2), move forward and backward mechanism (3), longitudinal moving mechanism (4), rotating mechanism (5), electron gun (6) and computing machine (7), described transverse moving mechanism (2) and rotating mechanism (5) are divided into the two ends of monitor station (1), described longitudinal moving mechanism (4) is installed on the transverse moving mechanism (2), transverse moving mechanism (2) comprises transverse axis motor (22) and transverse axis screw mandrel (23), can adjust transverse axis screw mandrel (23) rotation drive longitudinal moving mechanism (4) and carry out the position adjustment in a lateral direction under the control of computing machine (7); Be equiped with on the longitudinal moving mechanism (4) and move forward and backward mechanism (3), longitudinal moving mechanism (4) comprises longitudinal axis motor (42) and longitudinal axis screw mandrel (43), can adjust longitudinal axis screw mandrel (43) and rotate drive and to move forward and backward mechanism (3) and carry out the position adjustment in a longitudinal direction under the control of computing machine (7); Electron gun (6) then is installed on and moves forward and backward in the mechanism (3), moving forward and backward mechanism (3) drive electron gun (6) under the control of computing machine (7) this electron gun (6) and transverse moving mechanism (2), moves forward and backward mechanism (3), longitudinal moving mechanism (4) and rotating mechanism (5) and links to each other with computing machine (7) by cable respectively in the enterprising line position adjustment of fore-and-aft direction.
2. liquid crystal display detector according to claim 1, it is characterized in that: described transverse moving mechanism (2) comprises transverse base (21), transverse axis motor (22), transverse axis screw mandrel (23) and horizontal concentric shafts (24), described transverse axis motor (22) is installed in a side of transverse base (21), transverse axis screw mandrel (23) is installed in the middle part of transverse base (21), one end of this transverse axis screw mandrel (23) is fixed on the transverse base (21), the other end then links to each other by the transverse axis motor (22) of horizontal concentric shafts (24) with transverse base (21) one sides, and described transverse axis motor (22) links to each other with computing machine (7) by cable.
3. liquid crystal display detector according to claim 2, it is characterized in that: described longitudinal moving mechanism (4) comprises longitudinal axis base (41), longitudinal axis motor (42), longitudinal axis screw mandrel (43) and vertical concentric shafts (44), described longitudinal axis base (41) is sheathed on the transverse axis screw mandrel (23) of transverse moving mechanism (2), described longitudinal axis motor (42) is installed in a side of longitudinal axis base (41), longitudinal axis screw mandrel (43) is installed in the middle part of longitudinal axis base (41), one end of longitudinal axis screw mandrel (43) is fixed on the longitudinal axis base (41), the other end then links to each other by the longitudinal axis motor (42) of vertical concentric shafts (44) with longitudinal axis base (41) one sides, and this longitudinal axis motor (42) links to each other with computing machine (7) by cable.
4. liquid crystal display detector according to claim 3, it is characterized in that: the described mechanism (3) that moves forward and backward comprises antero posterior axis base (31), antero posterior axis motor (32), antero posterior axis screw mandrel (33) and front and back concentric shafts (34), antero posterior axis base (31) is sheathed on the longitudinal axis screw mandrel (43) of longitudinal moving mechanism (4), antero posterior axis motor (32) is installed in a side of antero posterior axis base (31), antero posterior axis screw mandrel (33) is installed in the middle part of antero posterior axis base (31), one end of antero posterior axis screw mandrel (33) is fixed on the antero posterior axis base (31), the other end then links to each other with the antero posterior axis motor (32) of antero posterior axis base (31) one sides by front and back concentric shafts (34), this antero posterior axis motor (32) links to each other with computing machine (7) by cable, and described electron gun (6) is installed on this antero posterior axis screw mandrel 33 that moves forward and backward mechanism (3).
5. liquid crystal display detector according to claim 4, it is characterized in that: described rotating mechanism (5) comprises pivoted frame base (51), turret (52), screen limiting bracket (53), regulate screw mandrel (54) and reel cage (55), pivoted frame base (51) is fixed on the monitor station (1), comprise drive motor (511) in the described pivoted frame base (51), gearing (512), linkage (513) and coupling part (514), turret (52) is installed on the pivoted frame base (51) by coupling part (514), and link to each other with the output shaft of linkage (513) by gearing (512) with drive motor (511), the centre of turret (52) is provided with regulates screw mandrel (54), the two ends of regulating screw mandrel (54) are fixed on the turret (52), be provided with reel cage (55) in the two ends of regulating screw mandrel (54), described screen limiting bracket (53) is sheathed on to be regulated on the screw mandrel (54).
6. liquid crystal display detector according to claim 1 or 5, it is characterized in that: be equipped with the survey screen guide rail (8) on the fore-and-aft direction on the described monitor station (1), rotating mechanism (5) is sheathed on to be surveyed on the screen guide rail (8).
CNB2005101366497A 2005-12-30 2005-12-30 Liquid crystal display detector Active CN100395599C (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393577B (en) * 2011-10-25 2015-02-25 东莞市彤光电子科技有限公司 Image collection device for visual detection of liquid crystal display device
CN107024783B (en) * 2017-04-19 2023-05-23 苏州日和科技有限公司 Multidimensional angle adjusting device for liquid crystal panel detection camera
CN109799069A (en) * 2019-03-21 2019-05-24 斯比夫(西安)照明技术有限公司 A kind of locomotive headlamp illuminance automatic checkout system

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US6246253B1 (en) * 1998-06-18 2001-06-12 Hyundai Electronics Industries Co., Ltd. System for testing liquid crystal and end seal of LCD cell
CN2510874Y (en) * 2001-11-14 2002-09-11 明碁电通股份有限公司 Testing apparatus of liquid crystal displaying device
CN1629680A (en) * 2003-12-20 2005-06-22 鸿富锦精密工业(深圳)有限公司 Panel turnover mechanism
CN1713365A (en) * 2004-06-25 2005-12-28 三星电子株式会社 Stand arrangement and control thereof

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Publication number Priority date Publication date Assignee Title
US6246253B1 (en) * 1998-06-18 2001-06-12 Hyundai Electronics Industries Co., Ltd. System for testing liquid crystal and end seal of LCD cell
US6232616B1 (en) * 1998-07-24 2001-05-15 Inventec Corporation LCD panel test apparatus
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CN1629680A (en) * 2003-12-20 2005-06-22 鸿富锦精密工业(深圳)有限公司 Panel turnover mechanism
CN1713365A (en) * 2004-06-25 2005-12-28 三星电子株式会社 Stand arrangement and control thereof

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