KR101151021B1 - Cell testing device for display panel - Google Patents

Cell testing device for display panel Download PDF

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Publication number
KR101151021B1
KR101151021B1 KR1020110103681A KR20110103681A KR101151021B1 KR 101151021 B1 KR101151021 B1 KR 101151021B1 KR 1020110103681 A KR1020110103681 A KR 1020110103681A KR 20110103681 A KR20110103681 A KR 20110103681A KR 101151021 B1 KR101151021 B1 KR 101151021B1
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KR
South Korea
Prior art keywords
cell
display
main body
moving
moving frame
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KR1020110103681A
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Korean (ko)
Inventor
정재용
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지성에스이(주)
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Publication of KR101151021B1 publication Critical patent/KR101151021B1/en

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    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
    • H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
    • H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
    • H01L21/68785—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the mechanical construction of the susceptor, stage or support

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Liquid Crystal (AREA)

Abstract

PURPOSE: A cell inspection device of a display panel is provided to detect defects of various kinds of display cells which have different sizes using a single inspection device. CONSTITUTION: A main body(10) comprises a backlight unit(11) on the rear side of the main body. A first cell fixing part(20) is arranged on the upper surface of the main body. The first cell fixing part comprises a guide rod(21), a moving body(22), a first cell pressurization part(23), and a driving part(24). A second cell fixing part(30) is arranged on one side of the main body. A third cell fixing part(40) is arranged on the other side of the main body.

Description

Cell testing device for display panel

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cell inspector of a display panel (e.g., AMOLED, LCD, etc.). And a cell inspector of a display panel to variably inspect a "display cell" through a single inspector.

In general, display panels such as AMOLED or LCD have been developed to display various screens with a thin thickness. These display panels have low power consumption and can be manufactured in various sizes. The display panel is widely used due to the advantages of having a clear image quality, and a display panel including a display cell (CELL), a backlight unit, and drive ICs.

In this case, in the process of manufacturing the display cell, a process of inspecting defects (eg, stains, scratches, liquid crystal defects, pinholes, etc.) of the display cell is accompanied, and the inspection process is performed through a display cell inspector.

That is, the cell inspector of the display panel includes a jig and a backlight unit accommodated in the display cell, and adjusts the brightness of the light emitting lamp included in the backlight unit while the display cell is fixed to the jig.

Then, the light emitted from the light emitting lamp is transmitted to the display cell, and accordingly, the defect of the display cell can be found by diffraction, scattering, reflection, diffuse reflection, or transmission of the light collided with the display cell.

However, in the conventional cell inspector, only the display cells of a predetermined size are accommodated and fixed in the jig, and it is not possible to accommodate and fix various sizes (for example, 9.7 inches, 32 inches, 57 inches, 60 inches, and the like).

Accordingly, conventionally, in order to inspect defects of various kinds of display cells having different sizes, it is necessary to include a plurality of inspectors corresponding to the size of the display cells, which is inevitably expensive.

Accordingly, the present invention is to improve the conventional problems as described above, by configuring a tester that the receiving range is variable according to the size of the display cell, for a variety of display cells having different sizes through a single tester It is an object of the present invention to provide a cell inspector of a display panel to allow defect inspection to be performed.

The cell inspector of the display panel of the present invention for achieving the above object is provided with a backlight unit, the main body on which the display cell to be inspected is mounted; A first cell fixing part provided on an upper surface of the main body to fix the upper surface of the display cell while moving up and down by driving a driving part according to the size of the display cell; A second cell fixing part provided on one side of the main body and supporting one surface of the display cell; And a light provided by the light emission of the backlight unit at the contact portion with the first cell fixing part while supporting the other surface of the display cell while moving left and right according to the size of the display cell provided on the other side of the main body. A third cell fixing portion for blocking; It is configured to include.

In addition, the first cell fixing unit, a plurality of guide rods are provided in a predetermined length on both sides of the main body; Both ends are coupled to the guide rod, the movable body to move up and down along the guide rod; A first cell pressing part fixed at both ends to the moving body and pressing and fixing an upper surface of the display cell as the moving body moves up and down and overlaps the third cell fixing part when the pressing is fixed; A driving unit connected to any one of the plurality of moving bodies, the forward and reverse driving being performed to move the moving body up and down; The first cell pressurizing unit expands or contracts when the first cell pressing unit moves up and down while being coupled to the upper surface of the main body, and one side surface overlaps with the third cell fixing unit, and the light of the backlight unit leaks to the outside. A roll type curtain unit which blocks the exit; It is configured to include.

The third cell fixing unit may include: a moving frame positioned on the other side of the main body and moving left and right; It is coupled to the moving frame and is variable in length according to the size of the display cell to support the other surface of the display cell, and to the outside through a gap in a portion overlapping the first cell pressing part and the curtain part. A second cell pressurizing unit which blocks light from leaking due to light emitted from the unit; A rotating rod provided with a predetermined length inside the lower surface of the main body and forming a spiral portion on an outer circumferential surface thereof; A handle part coupled to one surface of the moving frame; And, coupled to the handle portion on the other side of the moving frame, and moves along the spiral portion when the external force is generated so that the left and right movement of the movable frame, and if there is no external force in the spiral portion so that the left and right movement of the movable frame is limited Wedge-shaped movement guide portion that is locked; It will include.

In addition, the second cell pressing unit, a plurality of rotary pulleys are located in the moving frame and connected by a belt forming a closed loop; It is fixed to one surface of the belt, the length is variable, and flows according to the size of the display cell to support the other surface of the display cell while backlighting to the outside through a gap in the portion overlapping with the first cell pressing portion and the curtain portion. A multi-stage light blocking block that is in close contact with the light emitted from the unit to prevent leakage; And a multi-stage fixed block positioned on the other surface of the belt and coupled to the light blocking block by a pin member. It is configured to include.

In addition, the belt is coupled to the support plate for preventing the deflection of the belt from the load due to the overlap when the first cell pressing portion and the curtain portion overlap the plane of the light blocking block.

In addition, when the gap is generated by the multi-stage light blocking block is moved by the belt in the moving frame, a blocking film for protruding the light from leaking to the outside through the gap is formed.

As described above, the present invention constitutes an inspector having a variable acceptance range according to the size of the display cell, thereby allowing defect inspection of various types of display cells having different sizes through one inspector, and having different display cells. The effect of minimizing the economic burden of purchasing the tester according to the type of can be expected.

1 is a structural diagram of a display cell inspector according to an embodiment of the present invention;
2 is a front schematic view of a state in which a small display cell is fixed in an embodiment of the present invention;
3 is a front schematic view of a state in which a large display cell is fixed in an embodiment of the present invention;
Figure 4 is an enlarged view showing a combined structure of the movable frame and the rotating rod and the handle portion and the movement guide to move left and right for fixing the left and right of the display cell in an embodiment of the present invention.
5 is an enlarged view of a first cell fixing part according to an embodiment of the present invention.
Figure 6 is a schematic view showing an overlapping state of the first and second cell pressing portion in the embodiment of the present invention.
Figure 7 is an enlarged view showing the structure of the second cell pressing portion in the embodiment of the present invention.
8, 9 is an operating state diagram of the second cell pressing unit in the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a structural diagram of a display cell inspector according to an embodiment of the present invention, and FIG. 2 is a front schematic view of a state in which a small display cell is fixed in an embodiment of the present invention, and FIG. 3 is an embodiment of the present invention. 4 is an enlarged front view of a state in which a large display cell is fixed, and FIG. 4 is an enlarged view illustrating a combined structure of a moving frame and a rotating rod and a handle part and a moving guide part that move left and right for fixing left and right of the display cell according to an exemplary embodiment of the present invention. It is.

5 is an enlarged view of a first cell fixing part according to an embodiment of the present invention, FIG. 6 is a schematic view showing an overlapping state of first and second cell pressing parts according to an embodiment of the present invention, and FIG. 7 is an embodiment of the present invention. 8 and 9 show an operation state diagram of the second cell pressing unit according to the embodiment of the present invention.

1 to 9, the display cell inspector according to an exemplary embodiment of the present invention may inspect whether display cells 100 and 100 ′ having different sizes are inspected for defects. The first, second, and third cell fixing parts 20, 30, and 40 are configured in the above.

The main body 10 includes a backlight unit 11 to which a CCFL lamp or an LED lamp is applied at a rear side, and the display cells 100 and 100 ′ are placed on the front side of the backlight unit 11. .

That is, the main body 10 in which the backlight unit 11 is formed accommodates display cells 100 and 100 ′ having a size of 9 to 60 inches.

The first cell fixing part 20 is provided on the upper surface of the main body 10 to move up and down by driving of the driving part 24 according to the size of the display cells 100 and 100 ′. The upper surface of 100 'is fixed by pressure, and includes a guide rod 21, a movable body 22, a first cell pressing portion 23, a driving portion 24, and a curtain portion 25.

The guide rod 21 is provided to both sides of the main body 10 with a predetermined length, the movable body 22 is both ends are coupled to the guide rod 21 is raised and lowered along the guide rod 21 This is configured to be done.

Both ends of the first cell pressing unit 23 are fixed to the movable body 22. The first cell pressing unit 23 presses and fixes the upper surfaces of the display cells 100 and 100 'as the movable body 22 moves up and down. When fixed, the third cell fixing part 40 is overlapped.

The driving unit 24 is connected to any one of the plurality of moving bodies 22, and is a motor in which reverse driving is performed to raise and lower the moving bodies 22. As shown in FIG.

The curtain portion 25 is a roll-type structure that is coupled to the upper surface of the main body 10, and when the first cell pressing portion 23 is raised or lowered according to the driving of the driving portion 24, One side is overlapped with the third cell fixing part 40, and is configured to block the light from the light emitted from the backlight unit 11 from leaking to the outside.

The second cell fixing part 30 is provided at one side of the main body 10 and is configured to support one surface of the display cells 100 and 100 ′.

The third cell fixing part 40 is provided on the other side of the main body 10 to move left and right according to the size of the display cells 100 and 100 ', and the other surface of the display cells 100 and 100' is moved. While supporting, the light from the light emitted from the backlight unit 11 is prevented from leaking to the outside at the contact portion with the first cell fixing part 20, the moving frame 41, the second cell pressing part 42, Rotating rod 43, the handle portion 44, and comprises a movement guide portion 45.

The moving frame 41 is positioned on the other side of the main body 10 and extends from the lower end of the main body 10 to the upper end, and is capable of moving left and right according to the size of the display cells 100 and 100 ′. As a multi-stage light blocking block 423, which will be described later, is curved by the belt 421, and when a gap is generated, a blocking film 41a for preventing the light from leaking out through the gap is formed.

The second cell pressing unit 42 is configured to be coupled to the upper end of the moving frame 41, and the length of the display cell 100 is changed according to the size of the display cells 100 and 100 '. While supporting the other surface of 100 ', light leaks from the backlight unit 11 to the outside through a gap in a portion overlapping with the first cell pressing part 23 and the curtain part 25. It is configured to block the coming out, and comprises a belt 421, the rotating pulley 422, the light blocking block 423, the pin member 424, the fixed block 425, and the support plate 426.

The belt 421 is coupled to the pair of rotating pulleys 422 to form a closed loop, and the pair of rotating pulleys 422 are rotated while being positioned on the moving frame 41.

Although the rotation pulley 422 is not shown in the drawing, the rotation of the belt 421 constituting the closed loop is performed by driving the motor or manually rotating the motor.

The light blocking block 423 is fixed to one surface of the belt 421 and is variable in length. The light blocking block 423 flows according to the size of the display cells 100 and 100 'so as to change the size of the display cells 100 and 100'. While supporting the other surface through the gap in the overlapping portion with the first cell pressing portion 23 and the curtain portion 25 is multi-stage configured to block the light leakage due to the light emission of the backlight unit 11 to the outside will be.

That is, the light blocking block 423 is located on the upper surface of the belt 421 to support the other surface of the display cells 100 and 100 'so that the gap does not occur while the light leaks to the outside. Blocking, the gap is generated when the belt 421 is located on the rotary pulley 422 side according to the flow of the belt 421.

The fixing block 425 is coupled to the light blocking blocks 423 of the multi-stage through the pin member 424 while being positioned on the other surface of the belt 421, and configured to support the light blocking block 423. do.

The support plate 426 prevents the belt 421 from sagging when the first cell pressing part 23 and the curtain part 25 overlap the plane of the light blocking block 424. It is to be configured to support the belt 421 forming the closed loop.

The rotating rod 43 is provided with a predetermined length inside the lower surface of the body 10, the outer surface is formed with a spiral portion 43a for guiding the left and right movement of the moving frame 41.

The handle part 44 is coupled to one surface of the moving frame 41, and when the size of the operator is adjusted through the handle part 44, left and right movement of the moving frame 41 is performed.

The movement guide part 45 is coupled to the handle part 44 at the other surface of the moving frame 41, and along the spiral part 43a when an external force is generated to enable the left and right movement of the moving frame 41. When moving, there is a wedge-shaped structure that is caught on the spiral portion 43a so that the left and right movement of the moving frame 41 is limited when there is no external force.

That is, the movement guide portion 45 is formed in a plurality of wedge-shaped protrusions, is coupled to the handle 44, the external force generated to enable the left and right movement of the movable frame 41 (adjust the size of the operator In the case of work), the screw moves along the spiral portion 43a, but when there is no external force, the spiral portion 43a is caught so that the left and right movement of the moving frame 41 is restricted.

As such, when the display cell inspector according to the exemplary embodiment of the present invention accommodates the display cells 100 and 100 'having different sizes in the main body 10 of the inspector, as shown in FIGS. The third cell fixing part in a state where one surface and a bottom surface of the display cells 100 and 100 ′ are in contact with the second cell fixing part 30 provided in the main body 10 and the lower end side of the main body 10. The other surface and the upper surface of the display cells 100 and 100 ′ are pressed through the 40 and the first cell fixing part 20.

Accordingly, the fixing operation of the display cells 100 and 100 ′ having different sizes to the main body 10 is completed, and thus, the lighting operation of the backlight unit 11 provided at the rear side of the main body 10 is completed. It is possible to check whether a defect exists in the display cells 100 and 100 '.

That is, when the display cell 100 having a small size (9.7 inches) is to be fixed to the main body 10 of the inspector, the display cell 100 is first placed on the main body 10.

Next, when the handle portion 44 included in the third cell fixing part 40 by the operator to move the handle portion 44 to the right direction (as viewed from the drawing), the handle portion ( Movement guide portion 45 is integrally coupled with the 44 is moved along the spiral portion (43a) formed on the rotating rod (43).

At this time, as well as the movable frame 41 integrally coupled to the handle 44 and the movement guide 45, the second cell pressing portion 42 coupled to the movable frame 41 is moved in the right direction. The other surface of the display cell 100 is pressed and fixed while being in contact with the other surface of the display cell 100.

Next, the driving unit 24 included in the first cell fixing unit 20 is driven so that one movable body 22 connected to the driving unit 24 moves along the guide rod 21. The movement of the first cell pressing unit 23 coupled to both ends of the plurality of moving bodies 22 is moved, so that the first cell pressing unit 23 presses the upper surface of the display cell 100.

At this time, since the end of the roll-type curtain portion 25 positioned at the upper end of the main body 10 is fixed to the first cell pressing portion 23, the display cell from the movement of the first cell pressing portion 23 is fixed. When pressure is applied to the upper surface of the 100, the curtain part 25 covers the backlight unit 11 exposed to the outside according to the size of the display cell 100.

In addition, when the externally exposed part of the backlight unit 11 is covered by the curtain part 25, one side of the first cell pressing part 23 as well as the curtain part 25 may be the third cell. The light blocking block 423 overlaps with the light blocking block 423 of the second cell pressing part 42 formed in the fixing part 40, and the first cell pressing part 23 and the curtain part 25. In the overlapping portion of), the light of the backlight unit 11 is prevented from leaking to the outside.

That is, the light blocking block 423 maintains the state in which the light blocking block 423 is in close contact with each other on the upper surface of the belt 421 according to the size of the display cell 100, and the first cell pressing part 23 and the curtain part 25. Since it overlaps with, the light according to the lighting of the backlight unit 11 is not leaked to the outside, the defect inspection for the display cell 100 can proceed.

Meanwhile, FIG. 3 shows an operation state in which the display cell 100 'of the large size (32 inches) is fixed to the main body 10. Also, the first, second and third cell fixing parts 20 ( 30 and 40 are fixed from the components described in FIG. 2, and the description thereof is the same as the description of FIG.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that such changes and modifications are within the scope of the claims.

10; Main body 11; Backlight unit
20; A first cell fixture 21; Guide rod
22; Moving object 23; 1st cell pressurization
24; A driver 25; Curtain part
30; Second cell fixing part 40; 3rd cell fixing part
41; Moving frame 41a; Barrier
42; A second cell pressurizing unit 421; belt
422; Rotary pulley 423; Light Block
424; Pin member 425; Fixed Block
426; Support plate 43; Spinning rod
43a; Helix 44; Handle
45; Movement guide 100,100 '; Display cell

Claims (6)

A main body provided with a backlight unit and a display cell to be inspected thereon; A first cell fixing part provided on an upper surface of the main body to fix the upper surface of the display cell while moving up and down by driving the driving unit according to the size of the display cell; A second cell fixing part provided at one side of the main body and supporting one surface of the display cell; And a third cell fixing part provided on the other side of the main body and including a moving frame and a second cell pressing part to support the other surface of the display cell while moving left and right according to the size of the display cell. Including,
The first cell fixing part press-fixes an upper surface of the display cell and overlaps the third cell fixing part when the pressure is fixed; And a roll type curtain part coupled to an upper surface of the main body and having one side overlapping with the third cell fixing part while being deployed or received when the first cell pressing part is lowered. And including
The second cell pressing portion is a plurality of rotating pulleys which are located in the moving frame and connected by a belt forming a closed loop; It is fixed to one surface of the belt and the length is variable and flows according to the size of the display cell to support the other surface of the display cell, while supporting the other surface of the display cell through the gap in the overlapping portion of the first cell pressing unit and the curtain unit Multi-stage light blocking block that is in close contact to block the light leakage according to the light emission; And a multi-stage fixed block positioned on the other surface of the belt and coupled to the light blocking block by a pin member. Cell inspector of the display panel comprising a. The method of claim 1, wherein the first cell fixing unit,
A plurality of guide rods provided on both sides of the main body at a predetermined length; A moving body coupled to both ends of the guide rod and descending along the guide rod; And a driving unit connected to any one of the plurality of moving bodies and configured to perform forward and reverse rotation to raise and lower the moving body. Including more,
And the first cell pressurizing part is fixed to both ends of the moving body, and the curtain part is configured to be deployed or received according to the driving of the driving part. The method of claim 2, wherein the third cell fixing unit,
A rotating rod provided with a predetermined length inside the lower surface of the main body and forming a spiral portion on an outer circumferential surface thereof; A handle part coupled to one surface of the moving frame; And, coupled to the handle portion on the other side of the moving frame, and moves along the spiral when the external force is generated so that the left and right movement of the moving frame, the external portion to the left and right movement of the moving frame is limited if there is no external force Wedge-shaped movement guide portion that is locked; And the moving frame is positioned on the other side of the main body to move left and right. delete The display of claim 1, wherein the belt is coupled to a support plate which prevents the belt from sagging from the load due to the overlap of the first cell pressing part and the curtain part on the plane of the light blocking block. Panel cell checker. According to claim 1, The light blocking block of the multi-stage of the moving frame is curved by a belt when a gap occurs, when the gap is generated, characterized in that the configuration to project the blocking film to block the leakage of light to the outside through the gap Cell inspector on display panel.
KR1020110103681A 2011-10-11 2011-10-11 Cell testing device for display panel KR101151021B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111123563A (en) * 2019-12-30 2020-05-08 宁波飞仕达产品设计有限公司 Device for detecting panel of household appliance
CN113949916A (en) * 2021-09-08 2022-01-18 上海电气智慧城市信息科技有限公司 Method for realizing urban eye platform based on multi-source video source fusion
CN115981050A (en) * 2022-12-30 2023-04-18 江西拓迈科技有限公司 Liquid crystal module and liquid crystal display of formula of going into light to side

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100563965B1 (en) * 2005-01-04 2006-03-29 주식회사 영우디에스피 Apparatus for testing lcd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100563965B1 (en) * 2005-01-04 2006-03-29 주식회사 영우디에스피 Apparatus for testing lcd

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111123563A (en) * 2019-12-30 2020-05-08 宁波飞仕达产品设计有限公司 Device for detecting panel of household appliance
CN111123563B (en) * 2019-12-30 2021-05-11 宁波飞仕达产品设计有限公司 Be used for household electrical appliances panel detection device
CN113949916A (en) * 2021-09-08 2022-01-18 上海电气智慧城市信息科技有限公司 Method for realizing urban eye platform based on multi-source video source fusion
CN115981050A (en) * 2022-12-30 2023-04-18 江西拓迈科技有限公司 Liquid crystal module and liquid crystal display of formula of going into light to side

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