CN1869769A - Detection device for liquid crystal display - Google Patents
Detection device for liquid crystal display Download PDFInfo
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- CN1869769A CN1869769A CN 200510072840 CN200510072840A CN1869769A CN 1869769 A CN1869769 A CN 1869769A CN 200510072840 CN200510072840 CN 200510072840 CN 200510072840 A CN200510072840 A CN 200510072840A CN 1869769 A CN1869769 A CN 1869769A
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- level crossing
- lcd
- rotating mechanism
- testing fixture
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Abstract
A checking unit of liquid crystal display is prepared as setting the first plane mirror and the second plane mirror on testing platform and laying them at two sides of liquid crystal display separately, using the first rotation mechanism to rotate the first plane mirror and using the first fixing mechanism to fix the first plane mirror on rotation mechanism, using the second rotation mechanism to rotate the second plane mirror and using the second fixing mechanism to fix the second plane mirror on the second fixing mechanism.
Description
Technical field
The present invention relates in particular to a kind of pick-up unit that is applicable to detection LCD monitor picture bad (mura) about a kind of pick-up unit of LCD.
Prior art
Each technology of LCD all has its factor that causes picture bad (mura), and is difficult for finding at the product initial stage.Therefore, LCD after assembling is finished, the inspection of all will lighting a lamp, to filter out the product of picture bad (mura), for example line defect, point defect, moire or light leak or the like.And,, infer which technology generation problem and improved by the shape and the position of these pictures bad (mura).
As shown in Figure 1, LCD 1 is that LCD 1 is placed on the Working table 2 when lighting a lamp inspection, directly does visual examination with eyes by operating personnel 3.Yet the picture of these LCD 1 is bad, may not be certain and can be seen by the front, and some angle that need tilt just can be seen.Especially the angle of side direction light leak generally all needs greater than just seeing easily more than 60 degree.Therefore, operating personnel 3 is when the picture of test liquid crystal display 1, and significantly move left and right could be checked the LCD picture of different angles, and the operating personnel is caused great inconvenience.
And, now along with LCD all develops towards large scale and wide viewing angle.The operating personnel must will increase more displacement and angle when lighting a lamp inspection.Therefore, check, will certainly significantly increase the burden that the operating personnel checks in present mode.Consider with Human Engineering, operating personnel's burden is big more, and fatigue strength is big more, and the work efficiency of performance and usefulness just reduce, thereby the efficient of yield-power and product turnout also and then reduces.
Therefore, be badly in need of a kind of testing fixture at present and can help the operating personnel to come the picture of test liquid crystal display bad, to increase operating personnel's work efficiency.
Summary of the invention
The present invention is a kind of testing fixture of LCD, includes: a board that is used to place LCD; First level crossing, and second level crossing with second rotating mechanism and second fixed mechanism with first rotating mechanism and first fixed mechanism.Wherein first level crossing and second level crossing all are positioned on the board, insert and put the both sides of LCD respectively, first rotating mechanism is used to rotate first level crossing, first fixed mechanism is used for first level crossing is fixed to rotating mechanism, second rotating mechanism is used to rotate second level crossing, and second fixed mechanism is used for second level crossing is fixed to second fixed mechanism.
Thus, when lighting a lamp inspection, the light of liquid crystal display displays picture just can be via the eyes of flat mirror reflects to the operating personnel.And,, make the angle of level crossing and LCD change because rotating mechanism can drive the level crossing rotation.Therefore, the light of the liquid crystal display displays picture of different angles all can be by the eyes of flat mirror reflects to the operating personnel of fixed position.Therefore, testing fixture of the present invention can significantly increase LCD at convenience, the especially large scale of checking the side direction light leak or the panel of wide viewing angle.
And, because testing fixture of the present invention can alleviate the burden that operating personnel's wide-angle is checked, and promote work efficiency, therefore, quality that can more effective monitoring product improves output efficiency, reduces operating cost.
In addition, in the testing fixture of the present invention, the anglec of rotation of first level crossing and second level crossing can be measured in any way, is preferably with first angulometer and second angulometer and measures, but also can visual estimation measure.In the testing fixture of the present invention, but first fixed mechanism and second fixed mechanism can be the fixed mechanism of any fixed pan glass, are preferably clip.In the testing fixture of the present invention, first rotating mechanism and second rotating mechanism can be the rotating mechanism of any routine, are preferably step motor.Testing fixture of the present invention is except first level crossing and second level crossing, can also comprise the 3rd level crossing that is positioned at the LCD base, this 3rd level crossing also has the 3rd rotating mechanism and the 3rd fixed mechanism that is used for the 3rd level crossing is fixed to the 3rd rotating mechanism that are used to rotate the 3rd level crossing.Testing fixture of the present invention can comprise optionally that one the 3rd angulometer is used to measure the anglec of rotation of the 3rd level crossing.In the testing fixture of the present invention, the 3rd rotating mechanism can be the rotating mechanism of any routine, is preferably a step motor, and the 3rd fixed mechanism can be the fixed mechanism of any routine, is preferably a clip.
Description of drawings
Fig. 1 is conventional pick-up unit synoptic diagram;
Fig. 2 is the pick-up unit synoptic diagram of a preferred embodiment of the invention.
Embodiment
Fig. 2 is the synoptic diagram of one embodiment of the invention.Show among the figure that the LCD of finishing with assembling 1 places the inspection of lighting a lamp on the worktable 2.The LCD finished of assembling is meant and will be fitted together to finish the panel semi-manufacture that engage engineering and other spare parts such as module backlight, housing, screw and LCD panel sets.After the liquid crystal display assembling is finished, all need carry out many inspections, comprise the inspection of lighting a lamp.The fundamental purpose of checking of lighting a lamp is the LCD that filters out picture bad (mura).
In the present invention, upper and lower, the left and right-hand member of LCD all can be placed a level crossing, and each level crossing all has a rotating mechanism.Present embodiment is that a level crossing is respectively placed at the two ends, the left and right sides that are LCD 1, and left end is first level crossing 10, and right-hand member is second level crossing 20.First level crossing 10 of left end is connected with one first fixed mechanism 11, and this first fixed mechanism 11 is connected with one first rotating mechanism 12.Therefore, first level crossing 10 can pass through the angle of 12 changes of first rotating mechanism and LCD 1, and is fixed on first rotating mechanism 12 by first fixed mechanism 11.First fixed mechanism 11 is a clip in the present embodiment, and first rotating mechanism 12 is a step motor.Same, second level crossing 20 also includes one second rotating mechanism 22 and one second fixed mechanism 21, make second level crossing 20 be fixed on second rotating mechanism 22, and can change the angle of second level crossing 20 and LCD 1 by second rotating mechanism 22.
In addition, in the present invention, the anglec of rotation of first level crossing 10 and second level crossing 20 can visual estimation or is measured with angulometer.Therefore, pick-up unit of the present invention can also optionally include an angulometer.In the present embodiment, the lower end of first level crossing 10 has one first angulometer 13 to be used to measure its anglec of rotation, and the lower end of second level crossing 20 has one second angulometer 23 to be used to measure its anglec of rotation.
Thus, when operating personnel 3 will check the display frame of visual angle, LCD 1 left side 45 degree by its dead ahead of liquid crystal display, just do not need the shift position, as long as rotation first level crossing 10, first level crossing 10 and the angle 90 of LCD 1 are spent, and operating personnel 3 can be by the display frame of check visual angle, the left side 45 degree in first level crossing 10.In like manner, when operating personnel 3 will check the display frame of visual angle, LCD 1 left side 45 degree by its dead ahead of liquid crystal display, be 120 degree, can observe as long as second level crossing 20 rotated to LCD 1 angle.This shows that when coming LCD with the pick-up unit of present embodiment, operating personnel 3 does not need the shift position, only need rotate first level crossing 10 and second level crossing 20, can detect the display frame of all angles.
And even the LCD 1 of large scale or wide viewing angle, the same shift position that do not need of operating personnel is as long as rotation first level crossing 10 and second level crossing 20 just can be observed the display frame of different angles.Therefore, with the testing fixture of the present invention inspection of lighting a lamp, can significantly reduce the burden that the operating personnel checks.Consider with Human Engineering, operating personnel's burden is more little, and fatigue strength is more little, and the work efficiency of performance and usefulness just increase, thereby the efficient of yield-power and product turnout also and then increases.In comparison, the conventional test mode of lighting a lamp, because the operating personnel wants double swerve with display frame, the especially large scale of inspection different visual angles and the LCD of wide viewing angle, distance and angle that the operating personnel will move are bigger.Under so big burden, work efficiency is poor more naturally.And, because therefore the quality that testing fixture of the present invention can the effective monitoring product can feed back to technology or design fast, as the reference that improves.
In addition, present embodiment also can also be placed the 3rd a level crossing (not shown) that includes one the 3rd rotating mechanism, the 3rd angulometer and the 3rd fixed mechanism again in the lower end of LCD, but the display frame of this 3rd level crossing detection of vertical direction different visual angles.And if light a lamp when checking, the luminance shortage on the visual angle also can add surface-mounted luminaire on level crossing, as bulb, helps the operating personnel to detect.
The foregoing description only is to give an example for convenience of description, and interest field of the presently claimed invention should be as the criterion so that claims are described, but not only limits to the foregoing description.
Claims (12)
1, a kind of testing fixture of LCD comprises:
A board is used to place this LCD;
First level crossing with one first rotating mechanism and one first fixed mechanism, wherein this first level crossing is positioned at this board, be used to insert and put a side of this LCD, this first rotating mechanism is used to rotate this first level crossing, and this first fixed mechanism system is used for this first level crossing is fixed to this rotating mechanism; And
Second level crossing with one second rotating mechanism and one second fixed mechanism, wherein this second level crossing is positioned at this board, be used to insert and put the opposite side of this LCD with respect to first level crossing, this second rotating mechanism is used to rotate this second level crossing, and this second fixed mechanism is used for this second level crossing is fixed to this second fixed mechanism.
2, the testing fixture of LCD as claimed in claim 1 wherein more comprises one first angulometer, is used to measure the anglec of rotation of this first level crossing.
3, the testing fixture of LCD as claimed in claim 1 wherein more comprises one second angulometer, is used to measure the anglec of rotation of this second level crossing.
4, the testing fixture of LCD as claimed in claim 1, wherein this first fixed mechanism is a clip.
5, the testing fixture of LCD as claimed in claim 1, wherein this first rotating mechanism is a step motor.
6, the testing fixture of LCD as claimed in claim 1, wherein this second fixed mechanism is a clip.
7, the testing fixture of LCD as claimed in claim 1, wherein this second rotating mechanism is a step motor.
8, the testing fixture of LCD as claimed in claim 1 wherein more comprises the 3rd level crossing that is positioned at this LCD base.
9, the testing fixture of LCD as claimed in claim 6, wherein the 3rd level crossing has one the 3rd rotating mechanism and one the 3rd fixed mechanism, the 3rd rotating mechanism is used to rotate the 3rd level crossing, and the 3rd fixed mechanism is used for the 3rd level crossing is fixed to the 3rd rotating mechanism.
10, the testing fixture of LCD as claimed in claim 7 wherein more comprises one the 3rd angulometer, is used to measure the anglec of rotation of the 3rd level crossing.
11, the testing fixture of LCD as claimed in claim 9, wherein the 3rd rotating mechanism is a step motor.
12, the testing fixture of LCD as claimed in claim 9, wherein the 3rd fixed mechanism is a clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510072840XA CN100395587C (en) | 2005-05-23 | 2005-05-23 | Detection device for liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510072840XA CN100395587C (en) | 2005-05-23 | 2005-05-23 | Detection device for liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1869769A true CN1869769A (en) | 2006-11-29 |
| CN100395587C CN100395587C (en) | 2008-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510072840XA Expired - Fee Related CN100395587C (en) | 2005-05-23 | 2005-05-23 | Detection device for liquid crystal display |
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| Country | Link |
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| CN (1) | CN100395587C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102165325A (en) * | 2008-12-16 | 2011-08-24 | 株式会社岛津制作所 | Vacuuming method for liquid crystal array test device system, liquid crystal array test device system and liquid crystal array test device |
| CN109031710A (en) * | 2018-03-27 | 2018-12-18 | 赣州市山水智能设备有限公司 | A kind of check device of liquid crystal display |
| CN109884065A (en) * | 2018-09-05 | 2019-06-14 | 中国航发动力股份有限公司 | A method of element groove is detected using plane mirror |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6333834A (en) * | 1986-07-28 | 1988-02-13 | Canon Inc | Surface state inspecting apparatus |
| JPH06258235A (en) * | 1993-03-04 | 1994-09-16 | Canon Inc | Surface inspection device |
| JP3264634B2 (en) * | 1997-02-18 | 2002-03-11 | 松下電器産業株式会社 | Surface inspection device and method |
| JP2002162360A (en) * | 2000-11-22 | 2002-06-07 | Seiko Epson Corp | Method and equipment for evaluating liquid crystal panel |
| CN100343736C (en) * | 2002-11-27 | 2007-10-17 | 统宝光电股份有限公司 | Glasses used in testing and inspecting panel of LCD and inspection method thereof |
-
2005
- 2005-05-23 CN CNB200510072840XA patent/CN100395587C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102165325A (en) * | 2008-12-16 | 2011-08-24 | 株式会社岛津制作所 | Vacuuming method for liquid crystal array test device system, liquid crystal array test device system and liquid crystal array test device |
| CN102165325B (en) * | 2008-12-16 | 2013-05-29 | 株式会社岛津制作所 | Liquid crystal array test device, system, and vacuuming method |
| CN109031710A (en) * | 2018-03-27 | 2018-12-18 | 赣州市山水智能设备有限公司 | A kind of check device of liquid crystal display |
| CN109031710B (en) * | 2018-03-27 | 2023-11-10 | 中山市正科电器实业有限公司 | Inspection device of liquid crystal display |
| CN109884065A (en) * | 2018-09-05 | 2019-06-14 | 中国航发动力股份有限公司 | A method of element groove is detected using plane mirror |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100395587C (en) | 2008-06-18 |
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Owner name: YOUDA PHOTOELECTRIC CO., LTD. Free format text: FORMER OWNER: GUANGHUI ELECTRONIC CO., LTD. Effective date: 20080215 |
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Effective date of registration: 20080215 Address after: Hsinchu, Taiwan, China Applicant after: AU Optronics Corporation Address before: Taoyuan County of Taiwan Province Applicant before: Guanghui Electronic Co., Ltd. |
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