CN217112945U - Display panel detection device - Google Patents
Display panel detection device Download PDFInfo
- Publication number
- CN217112945U CN217112945U CN202220997062.4U CN202220997062U CN217112945U CN 217112945 U CN217112945 U CN 217112945U CN 202220997062 U CN202220997062 U CN 202220997062U CN 217112945 U CN217112945 U CN 217112945U
- Authority
- CN
- China
- Prior art keywords
- detection
- display panel
- detection unit
- connecting rod
- base
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 199
- 238000000034 method Methods 0.000 claims description 24
- 238000007689 inspection Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a display panel detection device. The display panel detection device comprises a base, a driving component, a first detection unit and a second detection unit; the driving component is arranged on the base; the first detection unit is connected with the driving member; the second detection unit is arranged on the base; when the first detection processing is carried out, the driving component drives the first detection unit to be positioned in the detection range of the display panel to be detected, and the first detection unit is positioned below the second detection unit. When the second detection processing is performed, the driving member drives the first detection unit to leave the detection range, and the second detection unit is located within the detection range. The utility model discloses with first detecting element and the integration of second detecting element on a detection device, can accomplish two kinds of detection jobs (for example Demura and Pgamma) on a detection device, promoted detection efficiency, simplified check out test set and flow, improved production efficiency.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a display panel detection device.
Background
Mura is the perceived non-uniformity of luminance and chrominance display of a display by the human eye. In order to improve the display effect of the display panel and improve the quality and price of the display panel, before leaving a factory, Demura needs to be carried out on the display panel so as to reduce and eliminate the mura.
The Gamma curve is a plot of the electro-optic response of the display panel. The photoelectric curve sensed by human eyes is different from the gamma curve of the display panel. Therefore, before shipping, the display panel needs to be Pgamma to correct the gamma curve of the display panel, so as to improve the visual effect of the display line panel.
In the prior art, two detection devices (Demura device and Pgamma device) are generally required to detect the display panel respectively, which results in complex detection system, low detection efficiency and influence on production efficiency.
SUMMERY OF THE UTILITY MODEL
Based on not enough among the above-mentioned prior art, the utility model aims at providing a display panel detection device can improve display panel's detection efficiency.
In order to achieve the above object, the present invention provides a display panel detection device, which at least comprises:
a base;
a driving member disposed on the base;
a first detection unit connected with the driving member;
the second detection unit is arranged on the base;
when the first detection processing is carried out, the driving component drives the first detection unit to be positioned in the detection range of the display panel to be detected, and the first detection unit is positioned below the second detection unit;
when the second detection processing is performed, the driving member drives the first detection unit to leave the detection range, and the second detection unit is located within the detection range.
Optionally, the driving member further includes a driving push rod and a connecting rod, the connecting rod is connected to the base and the first detecting unit, one end of the driving push rod is connected to the base, and the other end of the driving push rod is opposite to one end of the connecting rod.
Optionally, the driving push rod further comprises a driving motor and a telescopic push rod, and one end of the telescopic push rod is arranged opposite to one end of the connecting rod.
Optionally, the connecting rod further comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is arranged opposite to one end of the driving push rod, the other end of the first connecting rod is connected with the second connecting rod, one end of the second connecting rod is movably connected with the base, and the other end of the second connecting rod is connected with the first detection unit.
Optionally, the second connecting rod is of a bending structure, one end of the bending structure is movably connected with the base, and the other end of the bending structure is connected with the first detection unit.
Alternatively, when the second detection process is performed, the driving member drives the first detection unit to rotate around the base, leaving the detection range.
Alternatively, the driving member drives the first detection unit to translate away from the detection range when the second detection process is performed.
Optionally, when the first detection processing is performed, the first detection unit is directly facing the center of the display panel to be detected.
Optionally, when the second detection processing is performed, the second detection unit is directly facing the center of the display panel to be detected.
Optionally, a control unit is further included, the control unit being in communicative connection with the drive member.
Compared with the prior art, the beneficial effects of the utility model include: the utility model discloses a display panel detection device, which comprises a base, a driving component, a first detection unit and a second detection unit; the driving component is arranged on the base; the first detection unit is connected with the driving member; the second detection unit is arranged on the base. When the first detection processing is carried out, the driving component drives the first detection unit to be positioned in the detection range of the display panel to be detected, and the first detection unit is positioned below the second detection unit. When the second detection processing is performed, the driving member drives the first detection unit to leave the detection range, and the second detection unit is located within the detection range. Therefore, the first detection unit and the second detection unit are integrated on one detection device, two detection works (such as Demura and Pgamma) can be completed on one detection device, the detection efficiency is improved, the detection equipment and the flow are simplified, and the production efficiency is improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first three-dimensional structure diagram of a display panel detection device according to an embodiment of the present invention;
FIG. 2 is a first side view of the display panel inspection apparatus according to the embodiment of the present invention;
fig. 3 is a second three-dimensional structure diagram of the display panel detection device according to the embodiment of the present invention;
FIG. 4 is a second side view of the display panel inspection apparatus according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of the embodiment of the present invention for pushing the telescopic rod;
fig. 6 is a side view structural diagram of the display panel detection apparatus according to the embodiment of the present invention;
fig. 7 is a side view structural diagram of the display panel detection apparatus according to the embodiment of the present invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Mura is the perceived non-uniformity of luminance and chrominance display of a display by the human eye. At present, due to defects of a display panel manufacturing process, the brightness difference of panel pixels when the same gray level picture is output is caused by unstable differences of materials, components and processes, and mura is caused; in order to improve the display effect of the panel and the quality and price of the panel, Demura is required to be performed on the panel to reduce and eliminate mura.
The Gamma curve is a plot of the electro-optic response of the display panel. For a normal person, the light sensing of the human eye is a nonlinear photoelectric curve, and different curves can be sensed for the light displayed on the liquid crystal display, so that when the display panel is designed, the Pgamma is needed to correct the gamma curve of the display panel, so as to satisfy the photosensitive cells of the human eye, and achieve a psychologically good visual effect.
While Demura and Pgamma often need to be carried out through two kinds of equipment, resulting in complex detection system, low detection efficiency and influence on production efficiency.
In view of the above problems, an embodiment of the present invention provides a display panel detection apparatus, as shown in fig. 1 to 4, including a base 1, a driving member 2, a first detection unit 3, and a second detection unit 4; the driving member 2 is provided on the base 1; the first detection unit 3 is connected with the driving member 2; the second detection unit 4 is provided on the base 1.
As shown in fig. 1 and 2, when the first detection process is performed, the driving member 2 drives the first detection unit 3 to be located within the detection range of the display panel 5 to be detected, with the first detection unit 3 being located below the second detection unit 4.
As shown in fig. 3 and 4, when the second detection process is performed, the driving member 2 drives the first detection unit 3 out of the detection range, and the second detection unit 4 is located within the detection range.
By adopting the structure, the embodiment integrates the first detection unit 3 and the second detection unit 4 on one detection device, can complete two detection works (such as Demura and Pgamma) on one detection device, improves the detection efficiency, simplifies the detection equipment and the flow and improves the production efficiency.
In one embodiment, the first detecting unit 3 may be a Pgamma colorimeter to detect and collect gamma curves of the display panel, and the second detecting unit 4 may be a Demura camera to obtain display luminance data of the display panel. Alternatively, the first detection unit 3 is a Demura camera and the second detection unit 4 is a Pgamma colorimeter. Correspondingly, the first detection process may be a Pgamma detection, and the second detection process may be a Demura detection. Alternatively, the first detection process is Demura detection and the second detection process is Pgamma detection.
In one embodiment, the driving member 2 further comprises a driving push rod 21 and a connecting rod 22, the connecting rod 22 is connected to the base 1 and the first detecting unit 3, one end of the driving push rod 21 is connected to the base 1, and the other end is opposite to one end of the connecting rod 22. Thus, the connecting rod 22 is driven by the driving rod 21, and the connecting rod 22 drives the first detecting unit 3 to move. When the first detection process is performed, the connecting rod 22 is driven by the driving push rod 21, so that the first detection unit 3 is aligned with the display panel 5 to be detected, and the first detection process is completed. When the second detection processing is performed, the connecting rod 22 is driven by the driving push rod 21 to drive the first detection unit 3 to leave the detection range, so that the second detection unit 4 is aligned with the display panel 5 to be detected, and the second detection processing is completed.
In one embodiment, as shown in fig. 5, the driving rod 21 further includes a driving motor (not shown) and a telescopic rod 211, and one end of the telescopic rod 211 is disposed opposite to one end of the connecting rod 22. When the first detection processing is performed, the driving motor drives the telescopic push rod 211 to contract, so that the connecting rod 22 drives the first detection unit 3 to move and align with the display panel 5 to be detected. When carrying out the second and detecting the processing, driving motor drive telescopic push rod 211 extends for connecting rod 22 drives first detecting element 3 and removes, leaves detection range, makes second detecting element 4 aim at and wait to detect display panel 5.
In one embodiment, the connection rod 22 further includes a first connection rod 221 and a second connection rod 222, one end of the first connection rod 221 is disposed opposite to one end of the driving push rod 21, the other end of the first connection rod is connected to the second connection rod 222, one end of the second connection rod 222 is movably connected to the base 1, and the other end of the second connection rod 222 is connected to the first detection unit 3. This enables the first detection unit 3 to be operatively associated with the base 1 and the driving member 2.
Wherein, when not in the working state, the first connecting rod 221 and the driving push rod 21 can be connected. On the other hand, when the working state is not reached, the first link 221 may not be connected to the driving rod 21, and when the working state is reached, the driving rod 21 may extend a distance to be connected to the first link 221, and then the first link 221 is driven to move.
In one embodiment, the second connecting rod 222 is a bent structure, one end of the bent structure is movably connected to the base 1, and the other end of the bent structure is connected to the first detecting unit 3. This allows interference between the second link 222, the first sensing unit 3 and the base 1 to occur.
In one embodiment, when the second detection process is performed, the driving member 2 drives the first detection unit 3 to rotate around the base 1, leaving the detection range. Specifically, as shown in fig. 3 and 4, the connecting rod 22 is connected to the base 1 through a rotating shaft, and when the second detection process is performed, the driving push rod 21 is extended to push the connecting rod 22 to rotate around the rotating shaft, so that the first detection unit 3 is away from the probe detection range of the second detection unit 4. When the first inspection process is performed, as shown in fig. 1 and 2, the driving rod 21 is contracted, so that the first inspection unit 3 is returned to below the second inspection unit 4 and aligned with the display panel 5 to be inspected below.
In one embodiment, the driving member 2 drives the first detection unit 3 to translate away from the detection range when the second detection process is performed. Specifically, as shown in fig. 6, when the second detection process is performed, the driving push rod 21 extends to push the connecting rod 22 and the first detection unit 3 to translate, so as to open the detection range, and align the second detection unit 4 with the display panel 5 to be detected. As shown in fig. 7, when the first inspection process is performed, the driving rod 21 is contracted, and the first inspection unit 3 is translated back to below the second inspection unit 4 to be aligned with the display panel 5 to be inspected.
In one embodiment, when the first detection process is performed, the first detection unit 3 is directly facing the center of the display panel 5 to be detected. When the second detection process is performed, the second detection unit 4 is directly facing the center of the display panel 5 to be detected.
For the Demura test, the image capture effect is best when the camera is at the center of the display panel, and for the Pgamma test, the color at the center of the display panel is most uniform. Therefore, the first detection unit 3 and the second detection unit 4 are arranged to face the center of the display panel 5 to be detected, and the detection accuracy can be improved.
When the first detection unit 3 and the second detection unit 4 perform detection, central axes of the first detection unit and the second detection unit are located on the same straight line with a central perpendicular line of the display panel. This enables the first detection unit 3 and the second detection unit 4 to perform centering detection on the display panel, providing detection accuracy.
In one embodiment, the display panel detection apparatus further comprises a control unit (not shown) communicatively connected to the driving member 2. When the first detection processing is performed, an instruction is sent to the driving member 2 by the control unit to cause the driving member 2 to drive the first detection unit 3 within the detection range. When the second detection processing is performed, the control unit sends an instruction to the driving member 2, so that the driving member 2 drives the first detection unit 3 out of the detection range, and the second detection unit 4 is positioned in the detection range.
In one embodiment, the display panel detection device specifically includes a base 1, a driving rod 21, a connector, a Pgamma colorimeter, and a Demura camera. Wherein, connecting rod 22 is connected with base 1 and Pgamma colorimeter simultaneously, and the one end of drive push rod 21 is connected with base 1, and the other end sets up with the one end of connecting rod 22 is relative, and the Demura camera sets up on base 1.
When the Pgamma detection is carried out, the push rod 21 is driven to contract, the connecting rod 22 is driven to rotate back, the Pgamma colorimeter is driven to return to the detection range, the probe of the Pgamma colorimeter is aligned to the center of the display panel 5 to be detected, and then the Pgamma detection is completed. At this time, the Pgamma colorimeter was positioned directly below the Demura camera.
When Demura detects, drive push rod 21 extends, and drive connecting rod 22 rotates forward, drives Pgamma colourimeter and leaves the detection range, makes the camera of Demura camera aim at the center of waiting to detect display panel 5, accomplishes Demura and detects. At this time, the Pgamma colorimeter did not block the camera of the Demura camera.
In one embodiment, the display panel detection device specifically includes a base 1, a driving rod 21, a connector, a Pgamma colorimeter, and a Demura camera. Wherein, connecting rod 22 is connected with base 1 and Demura camera simultaneously, and the one end of drive push rod 21 is connected with base 1, and the other end sets up with the one end of connecting rod 22 is relative, and Pgamma colourimeter sets up on base 1.
When the Pgamma detection is carried out, the push rod 21 is driven to extend, the connecting rod 22 is driven to rotate forwards, the Demura camera is driven to leave the detection range, the probe of the Pgamma colorimeter is aligned to the center of the display panel 5 to be detected, and the Pgamma detection is completed. At this point, the Demura camera did not block the probe of the Pgamma colorimeter.
When the Demura detection is carried out, the driving push rod 21 is contracted, the driving connecting rod 22 rotates back to drive the Demura camera to return to the detection range, so that the camera of the Demura camera aligns to the center of the display panel 5 to be detected, and then the Demura detection is completed. At this point, the Demura camera was positioned directly below the Pgamma colorimeter.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A display panel detection device, characterized by comprising at least:
a base;
a driving member disposed on the base;
a first detection unit connected to the driving member;
the second detection unit is arranged on the base;
when the first detection processing is carried out, the driving component drives the first detection unit to be positioned in the detection range of the display panel to be detected, and the first detection unit is positioned below the second detection unit;
when a second detection process is performed, the driving member drives the first detection unit away from the detection range, the second detection unit being located within the detection range.
2. The apparatus of claim 1, wherein the driving member further comprises a driving push rod and a connecting rod, the connecting rod is connected to the base and the first detecting unit, one end of the driving push rod is connected to the base, and the other end of the driving push rod is opposite to one end of the connecting rod.
3. The apparatus according to claim 2, wherein the driving rod further comprises a driving motor and a telescopic rod, and one end of the telescopic rod is disposed opposite to one end of the connecting rod.
4. The apparatus according to claim 2, wherein the connecting rod further comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is opposite to one end of the driving rod, the other end of the first connecting rod is connected to the second connecting rod, one end of the second connecting rod is movably connected to the base, and the other end of the second connecting rod is connected to the first detecting unit.
5. The device according to claim 4, wherein the second link is a bent structure, one end of the bent structure is movably connected to the base, and the other end of the bent structure is connected to the first detecting unit.
6. The display panel detection apparatus according to claim 1, wherein the drive member drives the first detection unit to rotate around the base away from the detection range when performing the second detection process.
7. The display panel detection apparatus according to claim 1, wherein the drive member drives the first detection unit to translate away from the detection range when performing the second detection process.
8. The display panel inspection apparatus according to claim 1, wherein the first inspection unit faces a center of the display panel to be inspected when the first inspection process is performed.
9. The display panel inspection apparatus according to claim 1, wherein the second inspection unit faces a center of the display panel to be inspected when the second inspection process is performed.
10. The display panel detection apparatus of claim 1, further comprising a control unit communicatively coupled to the driving member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997062.4U CN217112945U (en) | 2022-04-26 | 2022-04-26 | Display panel detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997062.4U CN217112945U (en) | 2022-04-26 | 2022-04-26 | Display panel detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217112945U true CN217112945U (en) | 2022-08-02 |
Family
ID=82584282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220997062.4U Active CN217112945U (en) | 2022-04-26 | 2022-04-26 | Display panel detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217112945U (en) |
-
2022
- 2022-04-26 CN CN202220997062.4U patent/CN217112945U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190266968A1 (en) | Gray scale adjustment method and device for display panel | |
| CN101682798A (en) | Be used to control the universal test system of a plurality of parameters relevant with the operation of the device that is used to present various types of optoelectronic informations | |
| WO2004070693A3 (en) | Method and apparatus for optical inspection of a display | |
| KR20100023258A (en) | Method and apparatus for inspecting of flat display panel | |
| CN102590221A (en) | Apparent defect detecting system and detecting method of polarizer | |
| US20190385301A1 (en) | Panel light-on apparatus, panel light-on testing system and panel light-on testing method | |
| CN106231295A (en) | A kind of display screen image quality automatic checkout system, detection method and application thereof | |
| CN103955080A (en) | Multi-camera liquid crystal screen defect detection and image collection device | |
| CN217112945U (en) | Display panel detection device | |
| CN113538431B (en) | Display screen flaw positioning method and device, terminal equipment and system | |
| CN103713406B (en) | A kind of liquid crystal display detection method | |
| CN113496661A (en) | LED display control system detection method, device and system | |
| JP2010145558A (en) | Method and device for inspecting liquid crystal display device | |
| CN213749658U (en) | Textile outer wall flaw detection device | |
| CN210953862U (en) | Liquid crystal display scratch detection device | |
| CN116223528B (en) | Visual inspection system | |
| CN201170819Y (en) | System for detecting and locating panel bad point of planar display | |
| KR20100058395A (en) | Testing apparatus for flat panel display | |
| CN209951221U (en) | Vision detection equipment and system | |
| JP2007132911A (en) | System for sensing vision and luminance of back light unit | |
| CN115511791A (en) | Liquid crystal grating function detection method and system | |
| CN115504311A (en) | Sheet splicing and aligning system and method based on double CCD sensors | |
| KR20090074388A (en) | Apparatus for inspecting of display panel and method thereof | |
| CN109856877B (en) | Defect detection device and defect detection method | |
| KR20060082886A (en) | Method for testing distortion of camera for mobile station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |