KR101753615B1 - Bi-Directional Folding Type Bending Test Apparatus For Flexible Display - Google Patents

Bi-Directional Folding Type Bending Test Apparatus For Flexible Display Download PDF

Info

Publication number
KR101753615B1
KR101753615B1 KR1020150148664A KR20150148664A KR101753615B1 KR 101753615 B1 KR101753615 B1 KR 101753615B1 KR 1020150148664 A KR1020150148664 A KR 1020150148664A KR 20150148664 A KR20150148664 A KR 20150148664A KR 101753615 B1 KR101753615 B1 KR 101753615B1
Authority
KR
South Korea
Prior art keywords
plate
support plate
specimen
rotary
bending test
Prior art date
Application number
KR1020150148664A
Other languages
Korean (ko)
Other versions
KR20170048642A (en
Inventor
장석준
김종덕
Original Assignee
주식회사 이노테크
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 이노테크 filed Critical 주식회사 이노테크
Priority to KR1020150148664A priority Critical patent/KR101753615B1/en
Publication of KR20170048642A publication Critical patent/KR20170048642A/en
Application granted granted Critical
Publication of KR101753615B1 publication Critical patent/KR101753615B1/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
    • G01R31/2836—Fault-finding or characterising
    • G01R31/2844—Fault-finding or characterising using test interfaces, e.g. adapters, test boxes, switches, PIN drivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0005—Repeated or cyclic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0023—Bending
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/005—Electromagnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0278—Thin specimens
    • G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention relates to a bending test apparatus for a bidirectional folding flexible display. According to the present invention, there is provided an electric motor capable of normal / reverse rotation, a support member having a first support plate and a second support plate for attaching one side and the other side of the specimen, And a connecting member for connecting the second supporting plate to the first supporting plate so that the second supporting plate rotates in the counterclockwise direction. The first supporting plate of the motor rotates in the clockwise direction and the second supporting plate rotates in the counterclockwise direction, The specimen attached to the second plate surface of the first plate surface and the second plate surface is bent, and when the first support plate rotates in the counterclockwise direction and the second support plate rotates in the clockwise direction during the reverse rotation of the motor, And the specimen attached to the flat surface is unfolded so that the bending test of the specimen can be repeatedly performed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bending test apparatus for a bidirectional foldable flexible display,

The present invention relates to a bending test apparatus for bidirectional folding flexible display, and more particularly, to a bending test apparatus for a flexible display and a bending test for applying a physical deformation to a specimen of a flexible display, A double-sided flexible display device capable of obtaining a high reliability measurement result by relieving the stress concentration of a specimen by bending the specimen in both directions while stably supporting the specimen, and simultaneously testing a plurality of specimens using a detachable specimen holder To a bending test apparatus.

Flexible displays are attracting much attention as a representative product of next generation displays that can achieve the same image quality even when folded or bent. Flexible displays are expected to be applied to cell phones, PDAs, MR3 players, etc. because of their lightweight and non-breakable characteristics.

Flexible displays can be fabricated by thin and lightweight TFT array layers and color filters that adjust the direction of liquid crystals on thin and light substrates, and they are tested for various characteristics of flexible displays.

Korean Patent Registration No. 10-0970204 discloses an apparatus for inspecting material properties by using a tester which clamps both sides of a specimen and applies mechanical deformation such as stretching and bending to the specimen repeatedly by operation of an actuator.

In the above-mentioned prior art, when the clamp is subjected to the bending operation repeatedly for several tens of times with both sides of the specimen firmly fixed, the stress is locally changed at the boundary between the fixed part and the bending part by the clamp, It is not suitable for life test because it may occur or break. When testing the bending stress of a specimen, it is necessary to give a test condition that the stress applied to the bent portion works uniformly, so that a high reliability test result can be obtained.

In order to solve the problem of this prior art document, Korean Patent No. 10-1489667 (published on Feb. 4, 2015), which is a patent application filed by the present applicant, discloses a method in which a specimen is flatly spread on a support plate, And a bending test is performed in which one of the support plates is rotated to bend the specimen. Since the specimen is placed on the plate, the stress variation is reduced compared to the existing technique. However, a series of bending tests are carried out by lifting the specimen on the plate surface of the support plate, folding it back and returning it to its original position. The stress concentration in a specific site still remained, which made the reliability of the measurement result lower.

In addition, since the conventional technique has a structure for testing individual specimens, it was impossible to simultaneously test the same kind of specimens. Therefore, the longer the test time, the longer the time required.

Korean Patent No. 10-0970204 (issued on July 16, 2010) Korean Patent No. 10-1489667 (Announcement on Feb. 4, 2015)

none

It is an object of the present invention to provide a bi-directional foldable flexible member capable of repeatedly performing a bending test in which a specimen unfolded and fixed on a support plate rotated by an electric motor is repeatedly folded or unfolded in both directions, To provide a test apparatus for a display.

It is another object of the present invention to provide a bidirectional foldable flexible display test apparatus capable of simply implementing a power transmission structure for simultaneously rotating a plurality of support plates using an electric motor.

Another object of the present invention is to provide a bi-directional foldable flexible member capable of simultaneously performing a bending test in which a specimen holder capable of individually fixing a specimen is aligned on one pivot plate and a specimen fixed to the specimen holder is bent by using an electric motor, To provide a test apparatus for a display.

According to another aspect of the present invention, there is provided a bending test apparatus for bidirectional foldable flexible display, comprising: an electric motor capable of normal and reverse rotation; A support member having a first support plate for attaching one side of the specimen and a second support plate spaced apart from the first support plate to attach the other side of the specimen; And a connecting member for connecting the second support plate to the first support plate so that the second support plate rotates synchronously with the first support plate when the support plate rotates according to the rotation of the motor, Wherein the first support plate rotates in a clockwise direction and the second support plate rotates in a counterclockwise direction so that the specimen attached to the first plate surface of the first support plate and the second plate surface of the second support plate are bent, When the first support plate rotates in the counterclockwise direction and the second support plate rotates in the clockwise direction during the reverse rotation of the motor, the specimen attached to the first and second plate surfaces is unfolded to repeat the bending test of the specimen Can be performed.

Also, the connecting member may include a plurality of brackets and gear boxes coupled to both sides of the first and second support plates, the plurality of brackets being coupled to the first and second support plates using a fastening member, And the gear box includes a driven gear directly connected to the rotary shaft of the electric motor and a driven gear coupled to the driven gear.

The main gear and the driven gear rotate in mutually opposite directions and the main gear and the driven gear rotate the first and second support plates in opposite directions through the plurality of brackets .

Further, the gear box is installed on both sides of the first and second support plates.

According to another aspect of the present invention, there is provided a bending test apparatus for bidirectional foldable flexible display, comprising: an electric motor capable of normal and reverse rotation; A rotary plate that is rotated by the electric motor; A fixed plate installed at a predetermined interval facing the rotary plate; A first support plate for attaching one side portion of the specimen and a second support plate spaced apart from the first support plate by a predetermined distance to attach the other side portion of the specimen to the specimen, And a connecting member for connecting the second supporting plate to the first supporting plate so that the second supporting plate rotates synchronously with the first supporting plate in accordance with the rotation.

Also, the connecting member may include a plurality of brackets and gear boxes coupled to both sides of the first and second support plates, the plurality of brackets being coupled to the first and second support plates using a fastening member, The gear box includes a driven gear and a driven gear engaged with the driven gear.

Further, the rotary plate and the fixing plate are formed with a plurality of fastening grooves.

And a fixing table for fixing the first support plate to the rotary plate.

According to the present invention, even if a series of bending tests are repeatedly performed after bending the test specimen in a state where the bottom surface of the test specimen is stably fixed on both sides of the support plate, stress concentration at a specific portion can be relieved, It is possible to obtain higher reliability and stable measurement results than the technique.

In addition, according to the present invention, since a simple structure that transmits power by using a gear is interposed to interlock one support plate and another support plate, it is easy to repair faults and the manufacturing cost can be reduced.

Also, according to the present invention, when a specimen holder capable of individually attaching a specimen is used, it is possible to simultaneously test a plurality of specimens, thereby freely selecting the range of the specimen, reducing the total test cost, It is suitable for the test process to measure in a short time.

1 is an exploded perspective view of a bending test apparatus for a bidirectional folding flexible display according to an embodiment of the present invention.
2 is a view illustrating an operation example of a test piece fixed to a bending test apparatus of a bidirectional foldable flexible display according to an embodiment of the present invention.
3 is a sectional view taken along the line AA in Fig.
4 is a view for explaining an operation of folding or unfolding a specimen according to the operation state of the electric motor by the first and second support plates of the support member according to the embodiment of the present invention.
5 is a view for explaining a specimen holder constituting a bending test apparatus of a bi-directional foldable flexible display according to another embodiment of the present invention.
6 is a perspective view illustrating a driving device for mounting the specimen holder of FIG. 5 and performing a bending test on a plurality of specimens attached to the specimen holder.
FIG. 7 is a plan view for explaining the rotary plate and the fixing plate of FIG. 6;
8 is a view showing a case where a plurality of specimen holders according to the present invention are disposed on a rotary plate and a fixing plate.
9 is a view for explaining an operation of rotating the first and second support plates of the specimen holder in both directions according to the rotation of the rotary plate according to the present invention.
10A to 10D are images for explaining the operation of the bending test apparatus according to another embodiment of the present invention.

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

FIG. 1 is an exploded perspective view of a bending test apparatus of a bidirectional foldable flexible display according to an embodiment of the present invention, FIG. 2 is a view showing a state where a test piece is fixed to a bending test apparatus of a bidirectional foldable flexible display according to an embodiment of the present invention 3 is a sectional view taken along line AA in Fig. 2. Fig.

As shown in the figure, the bending test apparatus 1 of the bidirectional folding flexible display according to the present invention includes an electric motor 10 for providing a rotational force, a support member 50 for bending the test piece fixed on the flat plate surface from both sides, 10 to the support member 50. The support member 50 may be provided with a connecting member.

The electric motor 10 is a power source for driving the rotary shaft 11 in the forward or reverse direction. In the embodiment, the electric motor 10 is an alternating current (AC) servo motor. However, the present invention is not limited thereto. can do.

The support member (50) has two support plates (51, 53).

Referring to FIG. 2, each of the support plates 51 and 53 is formed with flat plate surfaces 52 and 54 at an upper portion thereof. When the first support plate 51 and the second support plate 53 are arranged side by side in the horizontal direction The first plate surface 52 of the first support plate 51 and the second plate surface 54 of the second support plate 53 form a plane having no height difference so that the first plate surface 52 and the second plate surface 54 (F) in the direction of the arrow. The specimen F can be fixed on the first support plate 51 and the second support plate 53 using an adhesive member provided on the bottom surface of the specimen F, for example, a double-sided tape.

The connecting member is for transmitting the rotational force of the motor 10 to the support member 50 and includes first to fourth brackets 41 and 42 respectively coupled to the corners of the first and second support plates 51 and 53 facing each other, 42 and 43 and 44 and first and second gear boxes 20 and 30 located on both sides of the first and second support plates 51 and 53.

The first and second brackets 41 and 42 are coupled to the edges of the first support plate 51 using fastening members 61, respectively. The third and fourth brackets 43 and 44 are also coupled to the corners of the corresponding second support plate 53 using fastening members 61. [ Here, the fastening member 61 may be a bolt which is fastened to the first and second support plates 51 and 52 and the first to fourth brackets 41, 42, 43 and 44 A fastening hole for inserting the fastening member 61 is formed.

3, the rotating shaft 11 of the electric motor 10 extends in the longitudinal direction and penetrates inside the first gear box 20, and the first driven gear 41b and the first driven gear 43b are connected to the inside Respectively.

The first main gear 41b is formed on the outer peripheral surface of the shaft portion extending in the longitudinal direction of the rotating shaft 11 and one side of the first main gear 41b is directly connected to the rotating shaft 11 and the other side is connected to the first bracket 41 (Not shown). The rotating shaft 11 rotates in the forward or reverse direction according to the operation of the electric motor 10 and the first supporting gear 41b and the first supporting plate 51 ).

The first driven gear 43b is engaged with the first driven gear 41b and rotated. At this time, one side of the first driven gear 43b is coupled to the shaft fixing hole 43a integrally formed with the third bracket 43 and the second supporting plate 53 is coupled to the third bracket 43. Therefore, The second support plate 53 is rotated together with the third bracket 43 when the driven first driven gear 43b is rotated by the driven gear 41b.

Since the first driven gear 41b and the first driven gear 43b are engaged with each other and their rotational directions are opposite to each other, the first support plate 51 and the second support plate 53, .

As shown in FIG. 4, for example, when the rotary shaft 11 rotates in the forward direction, the first support plate 51 rotates clockwise (C1 → B) and the second support plate 53 rotates counterclockwise (C2 The first support plate 51 and the second support plate 53 are opposed to each other and the first and second support surfaces 52 and 54 face each other. Accordingly, the specimen F, which is fixed on the first plate surface 52 and the second plate surface 54 in an unfolded state, is bent in a U-shape. The first support plate 51 rotates counterclockwise (B → C1) and the second support plate 53 rotates clockwise (B → C2) The second support plates 51 and 53 are arranged in parallel in the horizontal direction, and the specimen F is spread flat.

When the rotational force of the motor 10 is transmitted only by the first main gear 41b and the first driven gear 43b, the fatigue load can be concentrated on one side of the first and second support plates 51 and 53 , And on the opposite side, shaking and trembling may occur during the rotation process. In consideration of this, the second gear box 30 is provided at the other corner of the support plates 51 and 53.

A second driven gear 42b and a second driven gear 44b are installed in the second gear box 30. And the second driven gear 44b is engaged with the second driven gear 42b and rotated. At this time, one side of the second driven gear 44b is coupled to the shaft fixing hole 44a integrally formed with the fourth bracket 44. [ When the second driven gear 44b engaged with the second main gear 42b is rotated, the second bracket 44 is engaged with the fourth bracket 44, 2 support plate 53 is rotated. At this time, since the second main driven gear 42b and the second driven gear 44b are engaged with each other, the rotational directions of the first and second driven gears 42b and 44b are opposite to each other, and the first and second support plates 51 and 53, Are mutually opposing.

The first and second main gears 41b and 42b are rotated in the same direction and the first and second main gears 41b and 42b are engaged with the first and second main gears 41b and 42b, And the second driven gears 43b and 44b rotate in the opposite direction.

When the first and second support plates 51 and 53 rotate in opposite directions to each other, the bending test for folding or unfolding the specimen F attached to the first and second plate surfaces 52 and 54 is repeatedly performed It is possible to relieve the phenomenon that stress concentrates on a specific region because the bottom surface of the test piece F is pivoted while being fixed to the first and second flat surfaces 52 and 54. [

Although the bending test apparatus of the bidirectional foldable flexible display according to the above-described embodiments is a single test specimen, the bending test apparatus according to another embodiment described later can test simultaneously a plurality of specimens using a specimen holder The construction to be carried out will be described.

FIG. 5 is a view for explaining a specimen holder constituting a bending test apparatus of a bi-directional foldable flexible display according to another embodiment of the present invention, FIG. 6 is a schematic view of a specimen holder Fig. 4 is a perspective view for explaining a driving device for performing a bending test on the bending test. In describing the bending test apparatus according to another embodiment, substantially the same function elements will be described with the same reference numerals.

The specimen holder 100 shown in Fig. 5 is joined to the edges of the first and second support plates 51 and 53 and the first and second support plates 51 and 53 using a fastening member 61 The first and fourth brackets 41, 42, 43 and 44 and the first to fourth brackets 41, 42, 43 and 44 interlock with each other to transmit rotational force. 2 gear box 20 (30) are provided.

A first main gear 41b and a first driven gear 43b are engaged with each other in the first gear box 20 and a second main gear 42b and a second The first driven gear 41b is not directly connected to the extension of the rotary shaft 11, unlike the previously described embodiment.

On the rear surface of the first support plate (51), a fixing table (70) to be coupled by a fastening member (63) is provided.

6, an electric motor 10 is installed on one side of the stage 200, and the rotary shaft 11 is coupled to the rotary case 13 while being supported by the shaft fixing table 12. [ The rotating case 13 is rotated integrally by the rotating shaft 11. [

A rotary case 13, a fixed case 14, a rotary plate 16, and a fixing plate 18 are provided on the pedestal 15.

The fixed case (14) is installed facing the rotary case (13) at a predetermined interval in the axial direction of the rotary shaft (11). The rotary plate 16 and the fixed plate 18 are disposed facing each other with a predetermined gap between the rotary case 13 and the fixed case 14. [

Both sides of the rotary plate 16 are integrally coupled to the rotary case 13 and the fixed case 14 so that the rotary plate 16 can be rotated in accordance with the rotation of the rotary case 13 . A plurality of fastening grooves 17 are formed in the upper, lower, left, and right directions on the rotary plate 16 and the fixed plate 18.

As shown in Fig. 8, a plurality of specimen holders 100A and 100B can be arranged on the rotary plate 16 and the fixed plate 18, respectively. The fixing table 70 provided on the back surface of the first supporting plate 51 of each of the specimen holders 100A and 100B is fixedly coupled to the coupling groove 17 of the rotary plate 16 using the coupling member 71.

The support hole 21 formed at one side of the first gear box 20 and the support hole 31 formed at one side of the second gear box 30 are fastened to the fastening groove 17 of the fastening plate 18 .

As shown in the upper part of FIG. 9, at least one specimen holder 100 (100A, 100B) is arranged in a state where the rotary plate 16 and the fixing plate 18 are horizontally positioned. The first support plate 51 of the second specimen holder is fixed to the rotary plate 16 (see Figs. 10A and 10B).

When the electric motor 10 is operated, the rotary case 13, which is shaft-coupled to the rotary shaft 11, is rotated. The rotary plate (16) is integrally coupled to the rotary case (13) and rotates together with the rotary case (13).

9, when the rotary plate 16 is rotated, the first support plate 51 rotates, and the second support plate 53 rotates simultaneously as the first support plate 51 rotates. That is, the first and second main gears 41b and 42b are installed in the first and second gear boxes 20 and 30 located on both sides of the first support plate 51, and the second support plate 53, And first and second driven gears 43b and 44b are provided on both sides of the first and second driven gears 43a and 43b. Accordingly, when the first support plate 51 rotates, the first and second driven gears 43b and 44b, which are engaged with the first and second main gears 41b and 42b, (See Figs. 10C and 10D).

According to another embodiment described above, since the bending test can be performed simultaneously on a plurality of specimens using the specimen holder capable of individually attaching the specimen, the number of specimens to be tested can be freely selected, And is suitable for measuring various kinds of specimens in a short time.

1: Bending test apparatus 10: Electric motor
11: rotating shaft 12: shaft holding table
13: rotation case 14: fixed case
15: pedestal 16: rotatable plate
17: fastening groove 18: fixed plate
20, 30: gear box 41, 42, 43, 44: bracket
41b, 42b: driven gears 43b, 44b: driven gears
50: support member 51: first support plate
52: first plate surface 53: second support plate
54: second plate surface 61, 62, 63: fastening member
70: fixed base 71: fastening member
100, 100A, 100B: specimen holder 200: stage

Claims (8)

delete delete delete delete A motor 10 and a pedestal 15 are provided on a stage 200. The pedestal 15 is provided with a rotating case 13 and a fixed case 14 in the axial direction of a rotating shaft 11, The rotary plate 16 and the fixed plate 18 are disposed to face each other between the rotary case 13 and the fixed case 14 and are connected to the rotary shaft 11 of the electric motor 10 Wherein the rotating case (13) and the rotary plate (16) are rotated in a clockwise or counterclockwise direction, the bending test apparatus of the bidirectional foldable flexible display comprising:
The upper surface of the rotary plate 16 and the upper surface of the fixing plate 18 form a plane in the horizontal direction at the same height and the upper surface of the rotary plate 16 and the fixing plate 18 are repeatedly arranged in the up, A plurality of specimen holders 100A and 100B capable of individually attaching the flexible display specimen F are provided by using the engaging grooves 17,
Each of the plurality of specimen holders 100A and 100B includes a first support plate 51 and a second support plate 53 disposed on the left and right sides respectively with respect to the axial direction of the rotary shaft 11 as a center line, The first support plate 51 and the second support plate 51 are spaced apart from each other by a predetermined distance in order to fold or unfold the flexible display specimen F having one side portion on the upper surface of the flexible substrate 51 and the other side portion on the upper surface of the second support plate 53, And a connecting member for connecting the second support plate (53)
A fixing table 70 fastened to the first supporting plate 51 using the fastening member 63 and fastened to the fastening groove 17 formed on the rotary plate 16 using the fastening member 71, The first support plate 51 can be interlocked with the rotation of the rotation plate 16 by being positioned on the back surface of the first support plate 51,
The connecting member includes a plurality of brackets 41, 42, 43 and 44 coupled to both sides of the first and second supporting plates 51 and 53 using a fastening member 61, And a plurality of gear boxes (20) (30) coupled to the fixing plate (18) using a coupling member (62) fastened to the coupling groove (17)
The gear boxes 20 and 30 are provided with a main gear 41b and a main gear 41b and a main gear 41b and a main gear 42b connected to the shaft fixing holes 41a and 42a formed integrally with the brackets 41 and 42, (43b) and (44b) engaged with the driven gear
As the first support plate 51 rotates by the rotation of the rotary plate 16, the driven gear 43b engaged with the first and second driven gears 41b and 42b, which are coupled to both sides of the first support plate 51, Wherein the bending test is performed by folding or unfolding the first support plate (51) and the second support plate (53) provided facing each other by the forward rotation or the reverse rotation of the first support plate (44b).

delete delete delete
KR1020150148664A 2015-10-26 2015-10-26 Bi-Directional Folding Type Bending Test Apparatus For Flexible Display KR101753615B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150148664A KR101753615B1 (en) 2015-10-26 2015-10-26 Bi-Directional Folding Type Bending Test Apparatus For Flexible Display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150148664A KR101753615B1 (en) 2015-10-26 2015-10-26 Bi-Directional Folding Type Bending Test Apparatus For Flexible Display

Publications (2)

Publication Number Publication Date
KR20170048642A KR20170048642A (en) 2017-05-10
KR101753615B1 true KR101753615B1 (en) 2017-07-06

Family

ID=58744120

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150148664A KR101753615B1 (en) 2015-10-26 2015-10-26 Bi-Directional Folding Type Bending Test Apparatus For Flexible Display

Country Status (1)

Country Link
KR (1) KR101753615B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190026207A (en) * 2017-09-04 2019-03-13 김영삼 Test apparatus for bending reliability
KR101965764B1 (en) * 2018-01-05 2019-04-04 주식회사 코보텍 Auto type flexible substrate inspection apparatus
KR20190112460A (en) * 2018-03-26 2019-10-07 주식회사 포휴 Foldable Apparatus for Flexible Display
KR20190130374A (en) * 2018-05-14 2019-11-22 주식회사 제이이노텍 Stress testing apparatus
KR20200049113A (en) * 2018-10-31 2020-05-08 주식회사 포휴 Foldable Apparatus for Flexible Display and Method for Controlling Uniformity Using the Same
US10686028B2 (en) 2018-01-30 2020-06-16 Samsung Display Co., Ltd. Foldable display device
KR20230009690A (en) * 2021-07-09 2023-01-17 주식회사 이노테크 Folding Test Apparatus For Foldable display

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6912790B2 (en) * 2017-08-24 2021-08-04 ユアサシステム機器株式会社 Deformation tester
CN107631861A (en) * 2017-08-28 2018-01-26 武汉华星光电半导体显示技术有限公司 Flexible display apparatus bends test equipment and system
KR102043453B1 (en) * 2018-01-05 2019-11-12 주식회사 코보텍 Passive type flexible substrate inspection apparatus
KR102578731B1 (en) * 2018-03-23 2023-09-18 삼성디스플레이 주식회사 Folding test device
KR20200030699A (en) * 2018-09-12 2020-03-23 삼성디스플레이 주식회사 Folding test device
JP7180850B2 (en) * 2018-10-30 2022-11-30 ユアサシステム機器株式会社 deformation tester
KR102088613B1 (en) * 2018-12-04 2020-03-12 주식회사 코보텍 Multi folding tester
CN109813595B (en) * 2018-12-28 2021-04-27 武汉华星光电半导体显示技术有限公司 Bending clamp
KR102232290B1 (en) * 2018-12-31 2021-03-25 주식회사 포휴 Foldable Apparatus for Flexible Display with Vision Inspection Apparatus
KR102101287B1 (en) * 2019-02-18 2020-05-15 삼익에프에이(주) Display folding device
KR102158042B1 (en) * 2019-04-01 2020-09-21 주식회사 포휴 Test Chamber for Performing Environment Test of Electronic Component
JP7127786B2 (en) 2019-08-29 2022-08-30 ユアサシステム機器株式会社 deformation tester
CN112414875A (en) * 2020-11-10 2021-02-26 天津富通光缆技术有限公司滨海新区分公司 Test method and device for evaluating L-direction bending performance of long axis of butterfly-shaped optical cable
CN114536723B (en) * 2022-03-02 2023-11-28 安徽繁盛显示科技有限公司 Single-shaft rotation bending mechanism

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101489667B1 (en) * 2013-11-26 2015-02-04 주식회사 이노테크 Bending Test Apparatus For Flexible Display
KR101527815B1 (en) 2015-01-15 2015-06-10 주식회사 지엔티시스템즈 Folding examination apparatus for foldable display and folding examination method using this

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101489667B1 (en) * 2013-11-26 2015-02-04 주식회사 이노테크 Bending Test Apparatus For Flexible Display
KR101527815B1 (en) 2015-01-15 2015-06-10 주식회사 지엔티시스템즈 Folding examination apparatus for foldable display and folding examination method using this

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190026207A (en) * 2017-09-04 2019-03-13 김영삼 Test apparatus for bending reliability
KR101962689B1 (en) * 2017-09-04 2019-03-27 김영삼 Test apparatus for bending reliability
KR101965764B1 (en) * 2018-01-05 2019-04-04 주식회사 코보텍 Auto type flexible substrate inspection apparatus
US10686028B2 (en) 2018-01-30 2020-06-16 Samsung Display Co., Ltd. Foldable display device
KR20190112460A (en) * 2018-03-26 2019-10-07 주식회사 포휴 Foldable Apparatus for Flexible Display
KR102053319B1 (en) * 2018-03-26 2019-12-09 주식회사 포휴 Foldable Apparatus for Flexible Display
KR20190130374A (en) * 2018-05-14 2019-11-22 주식회사 제이이노텍 Stress testing apparatus
KR102086705B1 (en) * 2018-05-14 2020-03-09 주식회사 제이이노텍 Stress testing apparatus
KR20200049113A (en) * 2018-10-31 2020-05-08 주식회사 포휴 Foldable Apparatus for Flexible Display and Method for Controlling Uniformity Using the Same
KR102158041B1 (en) 2018-10-31 2020-09-21 주식회사 포휴 Foldable Apparatus for Flexible Display and Method for Controlling Uniformity Using the Same
KR20230009690A (en) * 2021-07-09 2023-01-17 주식회사 이노테크 Folding Test Apparatus For Foldable display
KR102505007B1 (en) 2021-07-09 2023-03-02 주식회사 이노테크 Folding Test Apparatus For Foldable display

Also Published As

Publication number Publication date
KR20170048642A (en) 2017-05-10

Similar Documents

Publication Publication Date Title
KR101753615B1 (en) Bi-Directional Folding Type Bending Test Apparatus For Flexible Display
KR101527815B1 (en) Folding examination apparatus for foldable display and folding examination method using this
KR102578731B1 (en) Folding test device
TWI295731B (en) Rotation-type display panel inspecting apparatus and display panel inspecting method using the inspecting apparatus
CN101893213B (en) Backlight module fixing tool
CN101071141B (en) Detecting unit and detecting device with same
KR20190005302A (en) Characteristic evaluating apparatus for flexible display
CN106782234A (en) System and method for promoting the inspection to the device to be tested including multiple panels
TWI498545B (en) Optical inspection machine
CN103376640A (en) Lens module test fixture
KR20120010801A (en) Testing Apparatus for Flexible Display
TWI335635B (en) Repair apparatus for substrate circuit of flat display panel
KR20190010809A (en) Bending test apparatus for flexible display
CN101762759B (en) Flat-panel display tester
CN114034577B (en) Flexible screen bending test fixture and test equipment
KR20190130374A (en) Stress testing apparatus
KR20100090037A (en) Blade type probe block
KR101735470B1 (en) Bending and rolling demonstration device for flexible display
KR20110032016A (en) Work table of display panel inspection system
CN105242415B (en) Probe substrate and display panel testing
CN101770096B (en) Array tester and method for measuring a point of substrate of the same
CN1854720B (en) Clamp for polarized light film checking
KR20190071140A (en) Array tester
KR20210014868A (en) Apparatus for sensing bending power and jig for use thereof
JP4917852B2 (en) Panel support mechanism and inspection device

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right