KR101191903B1 - Apparatus for inspecting graphic evaluation of display - Google Patents

Abstract

PURPOSE: A display image evaluation inspection apparatus is provided to prevent signal property and power quality degradation generated by cable connection and to solve operating distance limits between an inspecting device and a jig. CONSTITUTION: An inspecting device(10) comprises a first wireless communications module in inside. The first wireless communications module comprises a wireless interconnection unit. One display panel for inspection and a camera are mounted on a jig(20). The camera detects an image of the display panel for inspection. The display panel for inspection is driven in response to an inspection signal. A channel comprises a second wireless communications module in inside and is mounted on the bottom of the jig with a connector detachment method. The channel performs wireless LAN communications with the first wireless communications module through the second wireless communications module. The channel performs wireless communications between the jig and the inspecting device. [Reference numerals] (10) Host monitor

Description

Display image evaluation inspection device {APPARATUS FOR INSPECTING GRAPHIC EVALUATION OF DISPLAY}

The present invention relates to a display image evaluation inspection apparatus, and more particularly, to an inspection apparatus for evaluating a display image without using a cable, and more particularly, to an inspection apparatus for evaluating a display image using Wi-Fi. .

In general, as a video display device used for a monitor of various information devices such as a computer, a TV, etc., a lightweight thin flat panel display is mainly used. As a flat panel display device, a liquid crystal display (LCD), an organic light emitting diode display (OLED), a plasma display panel (PDP), a field emission display device (Field Emission Display) , FED).

Such a flat panel display apparatus includes an image display panel, and the image display panel is, for example, a liquid crystal panel, an organic light emitting display panel, and the like prior to the module assembly process of assembling a separate drive circuit or power supply unit. The image inspection process determines whether there is a defect.

1 is a view for explaining an image evaluation inspection apparatus of a flat panel display device according to the prior art.

Referring to FIG. 1, an image evaluation inspection apparatus of a flat panel display apparatus according to the related art includes a host and client integrated inspector 1 (eg, T2) in which a plurality of channels 3 are accommodated therein, and an image display panel. And a jig 2 for providing various inspection signals to the image display panel. A plurality of channels (3) and jig (2) is communicated in a wired LAN communication method via a cable (4).

However, in the image evaluation inspection apparatus according to the related art, since a plurality of channels 3 which are clients are connected to the jig 2 and the signal cable 4, the length of the signal cable and the signal characteristics by the cable Differences occur and power quality deterioration (voltage drop, noise, etc.) is caused by the cable. In addition, maintenance and maintenance according to the cable is difficult, and the operation distance between the inspector and the jig is limited due to the cable.

KR 10-2012-0063348 A, 2012. 06. 15. KR 10-2007-0030599 A, 2007. 03. 16. KR 10-0698377 B1, 2007. 03. 15. KR 10-0666731 B1, 2007. 01. 03.

Therefore, the present invention is proposed to solve the problems of the prior art, and instead of connecting the cable between the host (or the operating PC) and the plurality of channels of the wired communication method via a wireless communication method Wi-Fi (WiFi) By attaching and detaching a plurality of channels to one side of the jig in a detachable manner, a display that solves signal characteristics and power quality deterioration caused by cable connection, maintenance and maintenance, and limitations on operating distance between the tester and the jig. It is an object of the present invention to provide an inspection apparatus for evaluating an image.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention by those skilled in the art.

According to an aspect of the present invention, there is provided a tester having a first wireless communication module including a wireless access device (AP), at least one display panel for inspection, and the display panel for inspection. A jig equipped with a camera for detecting an image of the display panel for inspection to be operated in response to an inspection signal provided by a second and a second wireless communication module is installed in a lower portion of the jig in a connector detachable manner. And at least one channel forming a wireless communication channel between the tester and the jig by performing wireless LAN communication with the first wireless communication module through a second wireless communication module. do.

Preferably, the printed circuit board may further include a printed circuit board installed at an upper portion of the channel to electrically connect the jig and the channel.

Preferably, the apparatus may further include a fixing frame installed at an upper portion of the channel to fix the printed circuit board to the upper portion of the channel.

Preferably, the printed circuit board may further include a plate on which the display panel for inspection is mounted, and a panel fixing part installed at a side of the plate to fix the display panel for inspection.

Preferably, the tester and the jig further includes a cradle supported by each, wherein the cradle is a two-stage structure in which two quadrangular boxes are stacked, and the first and second stages are four quadrangular boxes each connected with four quadrangular frames. It is made of a structure, each of the jig and the inspection plate is installed to be mounted to each of the tester, the jig is mounted in the center of the first stage mounting plate, the tester can be mounted in the center of the two-stage mounting plate .

Preferably, the tester and the jig further includes a cradle supported by each, wherein the cradle is a two-stage structure in which two quadrangular boxes are stacked, and the first and second stages are four quadrangular boxes each connected with four quadrangular frames. It is made of a structure, each of the mounting plate, one side between the first and second stage is mounted on the four-sided frame is installed, the mounting frame is mounted on the inspection machine, the first stage is mounted on the jig Can be.

As described above, according to the present invention, a plurality of channels are connected between a host (or an operating PC) and a plurality of channels, which are clients, through a wireless communication method, Wi-Fi (WiFi) instead of a cable. By attaching and detaching to one side of the jig to prevent the signal characteristics and power quality degradation caused by the cable connection, it is possible to solve the problem of maintenance and maintenance, and constraints on the operating distance between the tester and the jig.

1 shows an image evaluation inspection apparatus according to the prior art.
2 shows a display image evaluation inspection apparatus according to an embodiment of the present invention.
3 is a conceptual diagram illustrating wireless LAN communication between a tester and a channel according to the present invention.
4 is a view for explaining the electrical connection of a single channel according to the present invention.
5 is a view illustrating a four-channel structure according to another example of the present invention.
6 is a view illustrating a jig according to the present invention.
7 is a view illustrating a cradle of a display image evaluation inspection apparatus according to the present invention.
8 is a view for explaining a cradle of the display image evaluation inspection apparatus according to another embodiment of the present invention.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms.

In this specification, the embodiments are provided in order to make the disclosure of the present invention complete, and to fully convey the scope of the invention to those skilled in the art. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

In addition, like reference numerals refer to like elements throughout the specification. In addition, the terms used (discussed) herein are for the purpose of describing the embodiments are not intended to limit the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. In addition, components and operations referred to as 'includes (or includes)' do not exclude the presence or addition of one or more other components and operations.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. In addition, terms that are defined in a commonly used dictionary are not ideally or excessively interpreted unless they are defined.

Hereinafter, the technical features of the present invention will be described in detail with reference to the accompanying drawings.

2 is a view for explaining a display image evaluation inspection apparatus according to an embodiment of the present invention.

Referring to FIG. 2, in the display image evaluation inspection apparatus according to an exemplary embodiment of the present invention, a tester 10 (host monitor) (or an operating PC) and a jig 20 are installed in a connector detachable manner below the jig 20. It is configured to perform wireless LAN communication through at least one channel (CH1, CH2). Here, two channels are taken as an example for convenience of description, but the present invention is not limited to the two channels, and the present invention is not limited thereto.

The tester 10 has a first wireless communication module (not shown) including a wireless access device (AP) therein. In order to communicate with the first wireless communication module, a second wireless communication module (not shown), which communicates wirelessly with the first wireless communication module, is embedded in the channels CH1 and CH2, respectively. The channels CH1 and CH2 are installed in a connector detachable manner below the jig 20 while the second wireless communication module is embedded therein.

3 is a conceptual diagram illustrating wireless LAN communication between a tester and a channel according to the present invention.

As shown in FIG. 3, the tester 10, ie, the host monitor, is embedded in the channels CH1 and CH2 that are clients through the first wireless communication module including a wireless access device (AP) embedded therein. The second wireless communication module performs wireless LAN communication, that is, Wi-Fi communication.

Figure 4 is a view for explaining the electrical connection of a single channel according to the present invention, (a) is a side perspective view from the side, (b) is a plan view from above, (c) is a side view.

Referring to FIG. 4, channels according to the present invention are provided with a jig for transmitting a detection signal detected from a display panel under test to a tester 10, that is, a host monitor through wireless communication. 20) and need to be electrically connected.

To this end, each of the channels, for example, the upper portion of the channel CH1, a printed circuit board (PCB) 22 connected to the jig 20 is mounted.

The connection printed circuit board 22 is mounted on one side of the upper portion of the channel CH1 in a plate shape as shown in FIG. 4. In addition, the first connection unit 23 may be electrically connected to the channel CH1, and the second connection unit 24 may be electrically connected to the jig 20. Accordingly, the detection signal of the display panel is inspected through the second connection part 24, the printed circuit board 22, the first connection part 23, the second wireless communication module of the channel CH1, and the first wireless communication module. 10 may be transmitted.

FIG. 5 is a diagram illustrating a structure of four channels (CH1, CH2, CH3, CH4) according to another embodiment of the present invention, (a) is a side view seen from the side, (b) is a plan view seen from above, (c) is a perspective view seen from the side, (d) is a front view seen from the front.

In the present invention as shown in Figure 5 it is possible to implement four channels (CH1, CH2, CH3, CH4) by combining four channels. On top of these, a jig 20, preferably a printed circuit board 22 for electrically connecting with the display panel for inspection, is provided. The printed circuit board 22 may be integrally mounted to cover the upper surface of the four channels CH1, CH2, CH3, and CH4 in a plate shape.

A fixing frame 25 may be further installed on the four channels CH1, CH2, CH3, and CH4 to fix the printed circuit board 22 on the four channels CH1, CH2, CH3, and CH4. At this time, the fixed frame 25 may be formed in a plate-like structure, while fixing the printed circuit board 22 to the upper portion of the four channels (CH1, CH2, CH3, CH4), while the four channels (CH1, CH2, CH3, CH4) ) May be coupled to each other so as not to be separated from each other, and the four channels CH1, CH2, CH3, and CH4 may be fixed to the jig 20.

Four plates 27 are provided on the printed circuit board 22 corresponding to the respective channels. Each plate 27 is equipped with a display panel for inspection. The panel fixing part 26 which fixes the display panel for test | inspection mounted on the plate 27 at the side part of the plate 27 is provided. Accordingly, in the four-channel structure, four display panels can be inspected at the same time.

6 is a view illustrating a jig according to the present invention, (a) is a front view as seen from the front, (b) is a side view as seen from the side, and (c) and (d) are perspective views as seen from the side. Here, as an example, a jig having a two-channel structure is shown.

As shown in FIG. 6, the jig 20 is equipped with at least one camera 31, 32 for detecting an image displayed through the display panel 34 for inspection mounted on the plate 27. The cameras 21 and 32 are provided in the camera stage 33 and detect the image of the inspection display panel 34 while moving in the X-axis and Y-axis directions by the camera stage 33.

The jig 20 may be provided with a signal generator (not shown) for providing an inspection signal to the display panel 34 for inspection. The test display panel 34 to be operated operates in response to a test signal generated through the signal generator. That is, the display panel 34 for inspection outputs an image corresponding to the inspection signal, and the output image is detected by the cameras 31 and 32.

Signals detected through the cameras 32 and 32 are transmitted to the inspector 10 through the second wireless communication module and the first wireless communication module respectively embedded in the channels CH1 and CH2 as shown in FIG. 2. do. The tester 10 displays the detection signal provided from the channel on the screen.

On the other hand, the test signal generated from the signal generator is provided to the display panel 34 for inspection through a test circuit for transmitting a test signal (not shown) provided separately, or the printed circuit board 22 provided on the channel It may be provided to the display panel 34 for inspection.

In addition, an inspection signal for inspecting the display panel 34 for inspection may be provided from the inspector 10. That is, the test signal is generated through the tester 10 and then transmitted to the corresponding channel through the first and second wireless communication modules, and the channel is connected to the test panel mounted on the jig through the printed circuit board. It may also provide a test signal transmitted from).

7 is a view illustrating a cradle of the display image evaluation inspection apparatus according to an embodiment of the present invention, (a) is a front view as seen from the front, (b) is a rear view as seen from the rear, (c) Is a side view from the side, (d) is a perspective view seen from the side.

Referring to FIG. 7, the cradle 40 according to the embodiment of the present invention has a two-stage structure in which two quadrangular boxes are stacked. The first stage and the second stage each have four quadrangular frame structures in which four quadrangular frames are connected to each other, and mounting plates 41 and 42 are installed at each upper portion to mount the jig 20 and the inspector 10, respectively. have. The jig 20 is mounted in the center of the first stage mounting plate 41, and the tester 10 is mounted in the center of the second stage mounting plate 42.

8 is a view illustrating a cradle of the display image evaluation inspection apparatus according to another embodiment of the present invention, (a) is a front view as seen from the front, (b) is a rear view as seen from the rear, (c) Is a side view from the side, (d) is a perspective view seen from the side.

Referring to FIG. 8, the cradle 50 according to another embodiment of the present invention has a two-stage structure in which approximately four square boxes are stacked, similarly to the cradle 40 illustrated in FIG. 7, and is mounted on the upper portion of each cradle. Plates 51 and 52 are provided. In addition, a mounting frame 53 having a substantially quadrangular structure is further provided on one side, preferably on the upper right side, between the first and second stages. The inspection frame 10 is mounted on the mounting frame 53, and the jig 20 is mounted on the first mounting plate 51.

As described above, the technical spirit of the present invention has been described in detail in the preferred embodiments, but the above-described preferred embodiments are for the purpose of description and not of limitation. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: Inspector (Host Monitor) CH1 ~ CH4: Channel
20: jig 22: printed circuit board
23: first connecting portion 24: second connecting portion
25: fixed frame 26: panel fixing part
27: plate 31, 32: camera
33: camera stage 40, 50: holder
41, 51: first mounting plate 42, 52: second mounting plate
53: mounting frame

Claims (6)

A tester having a first wireless communication module including a wireless access device (AP);
A jig equipped with at least one display panel to be inspected and mounted with a camera configured to detect an image of the display panel to be inspected in response to an inspection signal provided to the inspected display panel; And
The second wireless communication module is installed in a connector detachable manner in the lower part of the jig, the wireless communication between the tester and the jig by performing a wireless LAN communication with the first wireless communication module through the second wireless communication module. At least one channel forming a communication channel
Display image evaluation inspection apparatus comprising a.
The method of claim 1,
And a printed circuit board installed on the upper portion of the channel to electrically connect the jig and the channel.
The method of claim 2,
And a fixing frame installed at an upper portion of the channel to fix the printed circuit board to an upper portion of the channel.
The method of claim 3, wherein
A plate installed on an upper portion of the printed circuit board and on which the display panel for inspection is mounted; And
A panel fixing part installed at a side of the plate to fix the display panel for inspection;
Display image evaluation inspection device further comprising.
The method of claim 1,
The tester and the jig further include a cradle for supporting each, wherein the cradle is a two-stage structure in which two quadrangular boxes are stacked, and the first and second stages each have a quadrangular box structure in which four quadrangular frames are connected to each other. And a mounting plate is installed at each upper portion to mount the jig and the tester respectively, the jig is mounted at the center of the first stage mounting plate, and the tester is mounted at the center of the second stage mounting plate. Image evaluation inspection device.
The method of claim 1,
The tester and the jig further include a cradle for supporting each, wherein the cradle is a two-stage structure in which two quadrangular boxes are stacked, and the first and second stages each have a quadrangular box structure in which four quadrangular frames are connected to each other. And a mounting plate having a quadrangular structure is installed at one side between each of the first and second stages, wherein the inspection frame is mounted on the mounting frame, and the jig is mounted on the first mounting plate. Display image evaluation inspection device.

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