CN111221157A - LCD display detection system with optical scanning - Google Patents
LCD display detection system with optical scanning Download PDFInfo
- Publication number
- CN111221157A CN111221157A CN202010057034.XA CN202010057034A CN111221157A CN 111221157 A CN111221157 A CN 111221157A CN 202010057034 A CN202010057034 A CN 202010057034A CN 111221157 A CN111221157 A CN 111221157A
- Authority
- CN
- China
- Prior art keywords
- lens
- screen
- guide wheel
- lcd display
- optical scanning
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000007689 inspection Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Abstract
The invention discloses an LCD display detection system with optical scanning, wherein an LCD display screen comprises a shell and a rectangular screen arranged in the shell, the shell comprises an outer frame and an inner frame, the screen is embedded in the inner frame, a containing cavity is arranged between the outer frame and the inner frame, an outlet facing the screen is arranged in the containing cavity, the detection system comprises a lens and a CCD camera which are arranged in the containing cavity, the lens is strip-shaped and has the length larger than or equal to that of the screen, the lens is positioned above the screen, the included angle between the lens and the screen is 45 degrees, the lens is connected with a driving mechanism, and the driving mechanism drives the lens to move towards the CCD camera after the lens passes through a channel. The invention provides an LCD display detection system with optical scanning, which can automatically detect an LCD display screen and improve the detection efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of LCD detection, in particular to an LCD display detection system with optical scanning.
[ background of the invention ]
In the use process of the current commercial multimedia display screen, no mechanism is provided for judging whether the screen is normal or not. In a large number of practical applications, for example subway trains, the screen is damaged, or shows unusually, can discover the trouble when needing artifical the inspection. The train is in large quantity, the train length is long, 8 screens are used in each train carriage, the inspection time of all trains is long, the workload of inspection personnel is large, the cost is high, and the efficiency is low. The aging is also low. For example, the navigation information screens used on streets and shopping malls are large in quantity and long in distance, and the routing inspection is not easy. And failure display cannot be found in real time.
[ summary of the invention ]
In order to solve the defects in the prior art, the invention provides the LCD display detection system with the optical scanning function, which can automatically detect the LCD display screen and improve the detection efficiency.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides a take optical scanning's LCD to show detecting system, LCD display screen include the casing and set up the rectangular screen in the casing, the casing includes outline and interior frame, the screen inlays to be established in the interior frame, the outline with be provided with between the interior frame and hold the chamber, just it is provided with a orientation to hold the chamber the export of screen, detecting system is including setting up lens and CCD camera in holding the chamber, the lens is strip and length more than or equal to the screen, the lens is located the top of screen just the lens with contained angle between the screen is 45, the lens is connected with actuating mechanism, the actuating mechanism drive the lens passes behind the passageway the CCD camera removes.
Preferably, the driving mechanism comprises a driving motor, the driving motor is connected with two action units through a transmission mechanism in a driving mode, and two ends of the lens are respectively connected with the two action units.
Preferably, drive mechanism establishes including fixed cover the driving gear on the driving motor output shaft and with two driven gear of driving gear engaged with, two driven gear respectively coaxial link firmly a drive wheel, the action unit includes the belt, the belt is around establishing on the drive wheel, the both ends of lens respectively with two belt fixed connection.
Preferably, the action unit further includes a first guide wheel, a second guide wheel, and a third guide wheel, the belt is wound around the first guide wheel, the second guide wheel, and the third guide wheel, a line connecting the first guide wheel and the driving wheel and a line connecting the second guide wheel and the driving wheel are both parallel to the width direction of the screen, and a line connecting the third guide wheel and the first guide wheel is parallel to the length direction of the screen.
Preferably, a distance between the second guide wheel and the screen is smaller than a distance between the first guide wheel and the screen, the first guide wheel is disposed at an inner side of the belt, and the second guide wheel is disposed at an outer side of the belt.
Preferably, the first guide wheel is rotatably connected with the housing through a first wheel axle, the second guide wheel is fixedly connected with the housing through a second wheel axle, and the third guide wheel is fixedly connected with the housing through a third wheel axle.
Preferably, the back laminating of lens has the back screening glass, two sets of spacer of back screening glass fixedly connected with, every group the quantity of spacer is a plurality of, and is two sets of the spacer sets up respectively the both ends of lens and with the lens is laminated mutually, and is a set of the common fixedly connected with backup pad of spacer, the backup pad with lens mutually perpendicular, the backup pad with belt fixed connection.
Preferably, a group of the positioning pieces are fixedly connected with a connecting piece together, the connecting piece is fixedly connected with the supporting plate, the supporting plate is also fixedly connected with an adhesive plate, and the adhesive plate is fixedly bonded with the belt.
Preferably, the back protection plate is fixedly connected with two edge protection plates, and the two edge protection plates are respectively attached to two long edges of the lens.
Preferably, the height of the outer frame is higher than the height of the inner frame.
When the device is used, when detection is needed, the driving mechanism drives the lens to penetrate through the through hole and then move towards the CCD camera, the lens is located above the screen, and an included angle between the lens and the screen is 45 degrees, so that the content displayed on the screen can be continuously refracted onto the CCD camera in the moving process of the lens, the CCD camera can send an induction value to the cloud host through the Internet of things, cloud analysis is achieved through the cloud host, whether the current screen is normally displayed or not is judged, and after the lens completely sweeps across the screen, the driving mechanism reversely drives the lens to reset to prepare for next detection. By adopting the invention, the detection frequency can be automatically set and then automatically detected without manual inspection, the detection efficiency can be greatly improved, and the LCD display screen can be quickly overhauled when a fault is found, thereby ensuring the normal operation of the LCD display screen.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a drive mechanism;
FIG. 3 is a schematic view of the manner in which the lenses are mounted;
fig. 4 is a schematic view of another arrangement of lenses.
Reference numerals: 1-outer frame, 2-chamber, 3-inner frame, 4-screen, 5-driving motor, 6-transmission mechanism, 7-belt, 8-first guide wheel, 9-second guide wheel, 10-lens, 11-third guide wheel, 12-CCD camera, 13-driving gear, 14-driven gear, 15-driving wheel, 16-first wheel shaft, 17-second wheel shaft, 18-third wheel shaft, 19-back protection plate, 20-edge protection plate, 21-positioning plate, 22-connecting plate, 23-supporting plate, 24-adhesive plate, 25-clamping plate, 26-sliding block, 27-sliding rail and 28-rail mounting seat.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 is a schematic view of an overall structure of the present invention, fig. 2 is a schematic view of a driving mechanism, and fig. 3 is a schematic view of a lens mounting manner.
The utility model provides a take optical scanning's LCD to show detecting system, LCD display screen includes the casing and sets up rectangular screen 4 in the casing, the casing includes outline 1 and interior frame 3, screen 4 inlays to be established in interior frame 3, be provided with between outline 1 and the interior frame 3 and hold chamber 2, and it is provided with an export towards screen 4 to hold chamber 2, detecting system is including setting up lens 10 and CCD camera 12 holding the chamber 2 in, lens 10 is strip and length is more than or equal to screen 4, lens 10 is located the top of screen 4 and the contained angle between lens 10 and the screen 4 is 45, lens 10 is connected with actuating mechanism, actuating mechanism drive lens 10 passes the passageway and removes CCD camera 12 afterwards.
When the invention is used, when detection is needed, the driving mechanism drives the lens 10 to pass through the through hole and then move towards the CCD camera 12, because the lens 10 is positioned above the screen 4 and the included angle between the lens 10 and the screen 4 is 45 degrees, the lens 10 can continuously reflect the content displayed by the screen 4 to the CCD camera 12 in the moving process, the CCD camera 12 can send the induction value to the cloud host through the Internet of things, cloud analysis is realized by using the cloud host, so that whether the current screen 4 is normally displayed or not is judged, and after the lens 10 completely sweeps across the screen 4, the driving mechanism reversely drives the lens 10 to reset to prepare for next detection. By adopting the invention, the detection frequency can be automatically set and then automatically detected without manual inspection, the detection efficiency can be greatly improved, and the LCD display screen can be quickly overhauled when a fault is found, thereby ensuring the normal operation of the LCD display screen.
Further, the driving mechanism comprises a driving motor 5, the driving motor 5 is connected with two action units through a transmission mechanism 6 in a driving manner, and two ends of the lens 10 are respectively connected with the two action units. The two action units drive the lens 10 at the same time, so that the stability of the lens 10 can be ensured, and the lens 10 is prevented from being damaged due to vibration.
Further, the transmission mechanism 6 comprises a driving gear 13 fixedly sleeved on an output shaft of the driving motor 5 and two driven gears 14 engaged with the driving gear 13, the two driven gears 14 are respectively and coaxially fixedly connected with a driving wheel 15, the action unit comprises a belt 7, the belt 7 is wound on the driving wheel 15, and two ends of the lens 10 are respectively and fixedly connected with the two belts 7. The two action units are synchronously driven by one driving motor 5, so that the moving speeds of the two ends of the lens 10 are completely the same, and the stability of the lens 10 is ensured.
Further, the action unit further comprises a first guide wheel 8, a second guide wheel 9 and a third guide wheel 11, the belt 7 is wound on the first guide wheel 8, the second guide wheel 9 and the third guide wheel 11, a connecting line of the first guide wheel 8 and the driving wheel 15 and a connecting line of the second guide wheel 9 and the driving wheel 15 are parallel to the width direction of the screen 4, and a connecting line of the third guide wheel 11 and the first guide wheel 8 is parallel to the length direction of the screen 4. Three leading wheel is used for controlling the direction of transmission of belt 7, makes lens 10 remove along the length direction of screen 4, reduces the quantity of single refraction play light, and then reduces the working strength of the high in the clouds host computer of CCD camera 12, especially can reduce the calculation pressure of high in the clouds host computer, if need detect a large amount of LCD display screens, can effectively avoid network congestion.
Further, the distance between the second guide wheel 9 and the screen 4 is smaller than the distance between the first guide wheel 8 and the screen 4, the first guide wheel 8 is disposed inside the belt 7, and the second guide wheel 9 is disposed outside the belt 7.
Further, the three guide wheels are arranged in the following manner: the first guide wheel 8 is rotatably connected with the housing via a first wheel axle 16, the second guide wheel 9 is fixedly connected with the housing via a second wheel axle 17, and the third guide wheel 11 is fixedly connected with the housing via a third wheel axle 18.
Further, the back laminating of lens 10 has back screening glass 19, and back screening glass 19 two sets of spacers 21 of fixedly connected with, the quantity of every group spacer 21 be a plurality of, and two sets of spacers 21 set up respectively at the both ends of lens 10 and laminate mutually with lens 10, the common fixedly connected with backup pad 23 of a set of spacer 21, backup pad 23 and lens 10 mutually perpendicular, backup pad 23 and belt 7 fixed connection. The back protective sheet 19 and the positioning sheet 21 serve to protect the lens 10 from contact with other structures, and thus damage to the lens 10. A set of splines 21 may evenly distribute the load and thus protect the lens 10.
Furthermore, a group of positioning pieces 21 are fixedly connected with a connecting piece 22, the connecting piece 22 is fixedly connected with a supporting plate 23, the supporting plate 23 is also fixedly connected with an adhesive plate 24, and the adhesive plate 24 is fixedly adhered to the belt 7. Because there is the line in the space in the LCD display screen, adopt the fixed mode of bonding can reduce the use quantity of connecting piece to be convenient for the assembly.
Further, the back protection plate 19 is fixedly connected with two edge protection plates 20, and the two edge protection plates 20 are respectively attached to two long edges of the lens 10. The edge protective sheet 20, like the back protective sheet 19, functions to protect the lens 10.
Further, the height of the outer frame 1 is higher than that of the inner frame 3.
The present invention further provides another installation method of the lens 10, please refer to fig. 4, and fig. 4 is a schematic view of another installation method of the lens.
One end of the lens 10 is connected to the aforementioned actuating unit, the other end of the lens 10 is fixedly connected to a slider 26, the slider 26 is slidably mounted on a slide rail 27, and the slide rail 27 is defined and disposed on the inner side of the outer frame 1 by a rail mount 28.
By adopting the mode, the structure is simpler, and the space and the cost can be saved.
Further, the slider 26 is fixedly connected with two clamping plates 25, and the two clamping plates 25 are respectively disposed on two sides of the lens 10. The holding plate 25 and the lens 10 can be fixed by adhesion.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a take optical scanning's LCD to show detecting system, LCD display screen include the casing and set up rectangular screen (4) in the casing, the casing includes outline (1) and interior frame (3), screen (4) inlay and establish in interior frame (3), outline (1) with be provided with between interior frame (3) and hold chamber (2), just it is provided with one orientation to hold chamber (2) the export of screen (4), its characterized in that: the detection system comprises a lens (10) and a CCD camera (12), wherein the lens (10) is arranged in the accommodating cavity (2), the lens (10) is strip-shaped, the length of the lens is larger than or equal to that of the screen (4), the lens (10) is located above the screen (4), an included angle between the lens (10) and the screen (4) is 45 degrees, the lens (10) is connected with a driving mechanism, and the driving mechanism drives the lens (10) to pass through the channel and then move towards the CCD camera (12).
2. An LCD display inspection system with optical scanning as claimed in claim 1, wherein: the driving mechanism comprises a driving motor (5), the driving motor (5) is connected with two action units through a transmission mechanism (6) in a driving mode, and two ends of the lens (10) are connected with the two action units respectively.
3. An LCD display inspection system with optical scanning as claimed in claim 2, wherein: drive mechanism (6) are established including fixed cover driving gear (13) on driving motor (5) output shaft and with two driven gear (14) of driving gear (13) engaged with, two driven gear (14) each coaxial one drive wheel (15) that has linked firmly, the action unit includes belt (7), belt (7) are around establishing on drive wheel (15), the both ends of lens (10) respectively with two belt (7) fixed connection.
4. An LCD display inspection system with optical scanning as claimed in claim 3, wherein: the action unit further comprises a first guide wheel (8), a second guide wheel (9) and a third guide wheel (11), the belt (7) is wound on the first guide wheel (8), the second guide wheel (9) and the third guide wheel (11), a connecting line of the first guide wheel (8) and the driving wheel (15) and a connecting line of the second guide wheel (9) and the driving wheel (15) are parallel to the width direction of the screen (4), and a connecting line of the third guide wheel (11) and the first guide wheel (8) is parallel to the length direction of the screen (4).
5. An LCD display inspection system with optical scanning as claimed in claim 4, wherein: the distance between the second guide wheel (9) and the screen (4) is smaller than the distance between the first guide wheel (8) and the screen (4), the first guide wheel (8) is arranged on the inner side of the belt (7), and the second guide wheel (9) is arranged on the outer side of the belt (7).
6. An LCD display inspection system with optical scanning as claimed in claim 4, wherein: the first guide wheel (8) is rotatably connected with the shell through a first wheel shaft (16), the second guide wheel (9) is fixedly connected with the shell through a second wheel shaft (17), and the third guide wheel (11) is fixedly connected with the shell through a third wheel shaft (18).
7. An LCD display inspection system with optical scanning as claimed in claim 3, wherein: the back laminating of lens (10) has back screening glass (19), two sets of spacer (21) of back screening glass (19) fixedly connected with, every group the quantity of spacer (21) is a plurality of, and is two sets of spacer (21) sets up respectively the both ends of lens (10) and with lens (10) laminate mutually, and is a set of the common fixedly connected with backup pad (23) of spacer (21), backup pad (23) with lens (10) mutually perpendicular, backup pad (23) with belt (7) fixed connection.
8. An LCD display inspection system with optical scanning as claimed in claim 7, wherein: a set of common fixedly connected with connection piece (22) of spacer (21), connection piece (22) with backup pad (23) fixed connection, backup pad (23) still fixedly connected with adhesive sheet (24), adhesive sheet (24) with belt (7) bonding is fixed.
9. An LCD display inspection system with optical scanning as claimed in claim 7, wherein: back protecting sheet (19) fixedly connected with two edge protecting sheets (20), two edge protecting sheets (20) respectively with two long edges of lens (10) are laminated mutually.
10. An LCD display inspection system with optical scanning as claimed in claim 1, wherein: the height of the outer frame (1) is higher than that of the inner frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057034.XA CN111221157B (en) | 2020-01-16 | 2020-01-16 | LCD display detection system with optical scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057034.XA CN111221157B (en) | 2020-01-16 | 2020-01-16 | LCD display detection system with optical scanning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111221157A true CN111221157A (en) | 2020-06-02 |
| CN111221157B CN111221157B (en) | 2023-03-07 |
Family
ID=70827174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010057034.XA Active CN111221157B (en) | 2020-01-16 | 2020-01-16 | LCD display detection system with optical scanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111221157B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219944A (en) * | 1995-02-20 | 1996-08-30 | Dainippon Printing Co Ltd | Defect inspection apparatus for filter |
| CN1601224A (en) * | 2003-09-25 | 2005-03-30 | 晶彩科技股份有限公司 | Optical device for testing squint angle of faceplate |
| CN101371787A (en) * | 2007-08-24 | 2009-02-25 | 深圳市蓝韵实业有限公司 | Device and method for testing light path system of radiographic detector |
| CN101566739A (en) * | 2008-04-25 | 2009-10-28 | 北京京东方光电科技有限公司 | System and method for maintaining array circuit |
| CN104644112A (en) * | 2013-11-21 | 2015-05-27 | 西安嘉乐世纪机电科技有限公司 | Novel endoscopy frequency-domain OCT device for ear and nose examination |
| CN204479491U (en) * | 2015-03-13 | 2015-07-15 | 昆山艾尔发计量科技有限公司 | Display backlight plate CCD image sensor pick-up unit |
| CN106019693A (en) * | 2016-08-01 | 2016-10-12 | 武汉华星光电技术有限公司 | Stripping device for polaroid release paper |
| CN205643188U (en) * | 2016-05-27 | 2016-10-12 | 黄良斌 | Liquid crystal display defect detecting equipment |
| CN106526917A (en) * | 2016-12-07 | 2017-03-22 | 北京工业大学 | Liquid crystal screen dot matrix detection device achieving scanning by means of line-scan digital camera |
| CN206223686U (en) * | 2016-11-25 | 2017-06-06 | 北京兆维电子(集团)有限责任公司 | A kind of LCD open defects detecting system |
| CN208596265U (en) * | 2018-09-13 | 2019-03-12 | 惠州市晶彩宏艺科技有限公司 | A kind of finished product detection device of LCD screen |
| CN109493777A (en) * | 2018-12-28 | 2019-03-19 | 苏州佳世达电通有限公司 | Display with screen-sensing device |
| CN109507719A (en) * | 2019-01-17 | 2019-03-22 | 中国科学院合肥物质科学研究院 | A kind of rapid neutron imaging system |
-
2020
- 2020-01-16 CN CN202010057034.XA patent/CN111221157B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219944A (en) * | 1995-02-20 | 1996-08-30 | Dainippon Printing Co Ltd | Defect inspection apparatus for filter |
| CN1601224A (en) * | 2003-09-25 | 2005-03-30 | 晶彩科技股份有限公司 | Optical device for testing squint angle of faceplate |
| CN101371787A (en) * | 2007-08-24 | 2009-02-25 | 深圳市蓝韵实业有限公司 | Device and method for testing light path system of radiographic detector |
| CN101566739A (en) * | 2008-04-25 | 2009-10-28 | 北京京东方光电科技有限公司 | System and method for maintaining array circuit |
| CN104644112A (en) * | 2013-11-21 | 2015-05-27 | 西安嘉乐世纪机电科技有限公司 | Novel endoscopy frequency-domain OCT device for ear and nose examination |
| CN204479491U (en) * | 2015-03-13 | 2015-07-15 | 昆山艾尔发计量科技有限公司 | Display backlight plate CCD image sensor pick-up unit |
| CN205643188U (en) * | 2016-05-27 | 2016-10-12 | 黄良斌 | Liquid crystal display defect detecting equipment |
| CN106019693A (en) * | 2016-08-01 | 2016-10-12 | 武汉华星光电技术有限公司 | Stripping device for polaroid release paper |
| CN206223686U (en) * | 2016-11-25 | 2017-06-06 | 北京兆维电子(集团)有限责任公司 | A kind of LCD open defects detecting system |
| CN106526917A (en) * | 2016-12-07 | 2017-03-22 | 北京工业大学 | Liquid crystal screen dot matrix detection device achieving scanning by means of line-scan digital camera |
| CN208596265U (en) * | 2018-09-13 | 2019-03-12 | 惠州市晶彩宏艺科技有限公司 | A kind of finished product detection device of LCD screen |
| CN109493777A (en) * | 2018-12-28 | 2019-03-19 | 苏州佳世达电通有限公司 | Display with screen-sensing device |
| CN109507719A (en) * | 2019-01-17 | 2019-03-22 | 中国科学院合肥物质科学研究院 | A kind of rapid neutron imaging system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111221157B (en) | 2023-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102692741B (en) | A kind of liquid crystal display module and liquid crystal indicator | |
| CN102737548B (en) | Frame narrowing display device and manufacturing method thereof | |
| CN102841458B (en) | Liquid crystal display device without frame | |
| CN102809836B (en) | Borderless LCD device | |
| CN103543543A (en) | Frame-free liquid crystal display device | |
| CN102809834B (en) | Frame-free liquid crystal display device | |
| CN111221157B (en) | LCD display detection system with optical scanning | |
| CN215725861U (en) | Detection apparatus for contact surface laminating degree of consistency | |
| CN102799001A (en) | Frame-free liquid crystal display device | |
| CN211426976U (en) | Long-strip scanning device for LCD display detection system | |
| CN102967953B (en) | Liquid crystal display device | |
| CN215642674U (en) | Computer hardware detection platform | |
| CN211826416U (en) | LED lamp strip check out test set | |
| CN211478809U (en) | A mounting structure for LCD screen | |
| CN114439829A (en) | Intelligent terminal lens high accuracy equipment of laminating fast | |
| CN217812740U (en) | Warning railing suitable for multiple environments | |
| CN102809838B (en) | Liquid crystal display device with no margin frame | |
| CN201121858Y (en) | Back light module unit | |
| CN218512665U (en) | Laminating structure of optical diaphragm and diffuser plate | |
| CN214475073U (en) | Modular face recognition machine | |
| CN202629802U (en) | Backlight unit provided with decontamination protective film and decontamination protective film | |
| CN219267253U (en) | Spliced liquid crystal display convenient to maintain | |
| CN210294590U (en) | Liquid crystal display light guide plate structure | |
| CN102778770B (en) | Rimless liquid crystal indicator | |
| CN211454068U (en) | TIR lens for LCD display detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231113 Address after: B1, Kangjia Guangming Technology Center, No. 288 Xingxin Road, Dongzhou Community, Guangming Street, Guangming District, Shenzhen City, Guangdong Province, 518000 Patentee after: SHENZHEN YISHI TECHNOLOGY Co.,Ltd. Address before: 518000 1-F, No. 8, Tongchan Group Industrial Park, No. 28, Langshan Road, North District, Shenzhen Science Park, Guangdong Province Patentee before: SHENZHEN QIANHUAYI TECHNOLOGY Co.,Ltd. |