KR200373076Y1 - Blade fixing unit for a wood chipper and its blade - Google Patents

Blade fixing unit for a wood chipper and its blade Download PDF

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Publication number
KR200373076Y1
KR200373076Y1 KR20-2004-0028840U KR20040028840U KR200373076Y1 KR 200373076 Y1 KR200373076 Y1 KR 200373076Y1 KR 20040028840 U KR20040028840 U KR 20040028840U KR 200373076 Y1 KR200373076 Y1 KR 200373076Y1
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KR
South Korea
Prior art keywords
blade
fixed
drum
support
bolt
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KR20-2004-0028840U
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Korean (ko)
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황금수
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황금수
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Priority to KR20-2004-0028840U priority Critical patent/KR200373076Y1/en
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Publication of KR200373076Y1 publication Critical patent/KR200373076Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/005—Tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/06—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood powder or sawdust

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Food Science & Technology (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Abstract

본 고안은 톱밥제조기용 칼날고정장치및 그 칼날에 관한 것으로, 더욱 구체적으로는 드럼의 외주면에 등간격으로 다수 고정되는 칼날을 간편하고 견고하게 고정설치할수 있고 칼날의 교체 및 설치높이 조절이 용이하며 또한 절삭효율이 좋은 칼날에 관한 것이다.The present invention relates to a blade fixing device and a blade for the sawdust manufacturing machine, more specifically, can be fixed and installed fixedly and firmly fixed to the outer peripheral surface of the drum at equal intervals, and it is easy to replace the blade and adjust the installation height It also relates to a blade having good cutting efficiency.

즉, 드럼의 외주면에 등간격으로 다수의 칼날이 고정설치되어 사용되는 톱밥제조기에 있어서, 드럼의 외주면에 둘레방향으로 칼날뭉치고정홈이 등간격으로 형성되어 다수의 칼날이 구비된 칼날뭉치를 끼워 볼트로 고정하되 상기 칼날뭉치는 수평및 수직으로 관통된 다수의 볼트결합구멍이 서로 어긋나게 설치되어 볼트결합되게한 고정대와 다수의 칼날삽입홈이 형성되어 칼날이 끼워지는 지지대로 구성되어 상기 고정대와 지지대를 볼트로 결착하고 지지대의 칼날삽입홈에 볼트결합구멍이 관통되어 볼트결합으로 칼날의 몸체부분을 고정하는 구성으로 됨을 특징으로 하는 톱밥제조기용 칼날고정장치이다.In other words, in the sawdust manufacturing machine is used to be fixed to the outer peripheral surface of the drum at equal intervals, a knife blade in the circumferential direction is formed in the circumferential direction on the outer peripheral surface of the drum is fitted with a plurality of blades equipped with a plurality of blades The blade is fixed by bolts, but the horizontal and vertical through the plurality of bolt coupling holes are installed so as to be offset from each other is fixed to the bolts and a plurality of blade insertion grooves are formed to form a support that the blade is fitted into the support and the support Is a blade fixing device for sawdust manufacturing equipment, characterized in that the configuration of fixing the body portion of the blade by the bolt coupling through the bolt insertion hole through the blade insertion groove of the support.

Description

톱밥제조기용 칼날고정장치 및 그 칼날{BLADE FIXING UNIT FOR A WOOD CHIPPER AND ITS BLADE}Blade fixing device for sawdust making machine and its blade {BLADE FIXING UNIT FOR A WOOD CHIPPER AND ITS BLADE}

본 고안은 톱밥제조기용 칼날고정장치및 그 칼날에 관한 것으로, 더욱 구체적으로는 드럼의 외주면에 등간격으로 다수 고정되는 칼날을 간편하고 견고하게 고정설치할수 있고 칼날의 교체 및 설치높이 조절이 용이하며 또한 절삭효율이 좋은 칼날에 관한 것이다.The present invention relates to a blade fixing device and a blade for the sawdust manufacturing machine, more specifically, can be fixed and installed fixedly and firmly fixed to the outer peripheral surface of the drum at equal intervals, and it is easy to replace the blade and adjust the installation height It also relates to a blade having good cutting efficiency.

일반적인 톱밥제조기의 하나로서 드럼의 외주면에 등간격으로 다수의 칼날을 돌출되게 설치한 다음 드럼을 회전시켜 칼날에 의해 톱밥을 제조하도록 하고 있다.As a general sawdust manufacturing machine, a plurality of blades protrude at equal intervals on the outer circumferential surface of the drum, and then the drum is rotated to produce sawdust by the blade.

종래에는 외주면에 칼날을 고정설치하기 위해서 드럼의 외주면 둘레방향으로 등간격의 칼날고정홈을 일직선이 되게 형성하여 다수의 칼날과 결착고정대를 배치한 다음 볼트로 고정하도록 되어 있는바, 이는 칼날의 교체가 번거롭고 칼날고정부위의 견고성이 떨어질 뿐만 아니라 칼날의 설치높이가 용이하지 못하였다.Conventionally, in order to fix the blades on the outer circumferential surface, the blade fixing grooves of equal intervals are formed in a straight line in the circumferential direction of the drum circumference to arrange a plurality of blades and binding fixing bars, and then fix them with bolts. Not only was it cumbersome, the blade was not strong, and the height of the blade was not easy to install.

또한, 선출원 등록되어 있는 실용신안등록제20-0263315호의 톱밥제조기용 컷팅드럼의 칼날고정구조에서는, 드럼의 외주면 둘레방향으로 칼날고정홈을 등간격으로 형성하면서 칼날고정홈내에 칼날삽입홈을 형성하여 칼날을 끼운다음 결착고정대로 고정할수 있도록 하였으나, 이는 대형의 구조물로 이루어진 드럼의 외주면에 칼날삽입홈을 각각 형성해야 되는 번거로움이 있고 칼날의 설치및 교체시에도 어려움이 있었다.In addition, in the blade fixing structure of the cutting drum for sawdust makers of Utility Model Registration No. 20-0263315, which is registered in the first application, the blade insertion groove is formed in the blade fixing groove by forming the blade fixing groove at equal intervals in the circumferential direction of the outer peripheral surface of the drum. After fixing it, it was possible to fix it as a binding fixture, but this has the inconvenience of forming blade insertion grooves on the outer circumference of the drum, which is made of a large structure, and has difficulty in installing and replacing the blade.

특히, 칼날삽입홈의 크기나 설치간격을 조절할수 없어서 다양한 톱밥크기조절이 불가능하고 칼날삽입홈에 끼워진 칼날을 결착고정대에 의해서만 고정되므로 견고성이 떨어질 뿐만 아니라 톱날의 마모등에 의한 톱날의 설치높이를 조절할수 없었다.In particular, it is impossible to control the size or installation interval of the blade insertion groove, so it is impossible to adjust various sawdust sizes. I could not.

또한, 톱밥제조기에 사용되는 칼날의 날부분은 사각형의 칼날몸체부분을 경사지게 절단한 선단부에 의해 절삭이 이루어지도록 하고 있으나 칼날의 날부와 등부의 폭이 동일하게 형성되어 칼날의 절삭과정에서 날부 안쪽의 양단벽에 목재의 접촉부위가 부딪히는 부하발생으로 접촉저항으로 절삭효율이 떨어지는 문제점이 있었다.In addition, the blade of the blade used in the sawdust manufacturing machine is to be cut by the distal end of the rectangular blade body, but the width of the blade and the back portion is formed to be the same, so that the inside of the blade during the cutting process There was a problem in that cutting efficiency was reduced due to contact resistance due to the load generated when the contact portions of wood hit the both end walls.

본 고안은 이러한 문제점을 해결하기 위하여 드럼의 외주면에 둘레방향으로 칼날뭉치 고정홈이 등간격으로 형성되어 다수의 칼날이 고정된 칼날뭉치를 끼워 볼트고정하되 칼날뭉치는 고정대와 칼날삽입홈이 구비된 지지대의 결착에 의해 칼날이 1차 고정되고 상기 칼날삽입홈에 관통결합되는 볼트에 의해 2차 고정되는 구성으로 칼날을 간편하고 견고하게 고정설치할수 있고 칼날의 교체및 설치높이조절등이 용이하도록 되어 있다.In order to solve this problem, the blade bundle fixing grooves are formed at equal intervals in the circumferential direction on the outer circumferential surface of the drum so that the bolts are fixed by inserting a plurality of blade fixed blade bundles. The blade is fixed first by the binding of the support and the second fixed by the bolt inserted through the blade insertion groove. The blade can be fixed simply and firmly, and it is easy to replace the blade and adjust the installation height. have.

또한, 칼날은 부하발생을 줄일수 있는 구성으로 칼날의 절삭효율을 높일수 도록 되어 있다.In addition, the blade is to increase the cutting efficiency of the blade in a configuration that can reduce the occurrence of load.

도 1은 본 고안의 구성을 나타낸 일부 분해 사시도1 is a partially exploded perspective view showing the configuration of the present invention

도 2는 본 고안의 구성을 나타낸 전면도2 is a front view showing the configuration of the subject innovation

도 3은 본 고안의 드럼부분 전면도3 is a front view of the drum portion of the present invention

도 4는 본 고안의 일부확대 전면도4 is an enlarged front view of a part of the present invention

도 5는 본 고안의 칼날뭉치 분해 사시도5 is an exploded perspective view of the blade bundle of the present invention

도 6은 본 고안의 칼날뭉치 단면도6 is a cross-sectional view of the blade bundle of the present invention

도 7은 본 고안의 칼날뭉치 부분전면도7 is a partial front view of the blade bundle of the present invention

도 8의 (가)(나)는 칼날뭉치의 단면예시도8A is a cross-sectional view of the blade bundle

도 9는 본 고안의 지지대 단면도9 is a cross-sectional view of the support of the present invention

도 10은 본 고안의 칼날전면도10 is a front view of the blade of the present invention

도 11은 본 고안의 칼날단면도11 is a cross-sectional view of the blade of the present invention

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 드럼 12 : 외주면10 drum 12 outer peripheral surface

14 : 경사단면부 16 : 고정홈14: inclined cross section 16: fixing groove

18 : 볼트결합구멍 20 : 칼날뭉치18: bolt coupling hole 20: blade bundle

22 : 고정대 24,24' : 볼트결합구멍22: Fixture 24, 24 ': Bolted hole

24a,24b : 볼트 26 : 지지대24a, 24b: Bolt 26: Support

28 : 칼날삽입홈 30 : 볼트결합구멍28: blade insertion groove 30: bolt coupling hole

30a : 볼트 32 : 칼날30a: Bolt 32: Blade

34 : 날부 36 : 등부34: blade 36: back

본 고안의 톱밥제조기는 드럼(10)의 외주면(12)에 등간격으로 다수의 칼날(32)이 고정설치되어 칼날(32)에 의해 목재절삭하여 톱밥을 제조하게 된다.The sawdust maker of the present invention is a plurality of blades 32 are fixedly installed at equal intervals on the outer circumferential surface 12 of the drum 10 to produce a sawdust by cutting the wood by the blade (32).

상기 드럼(10)의 외주면(12)에 둘레방향으로 칼날뭉치고정홈(16)이 등간격으로 형성되고 그 고정홈(16)바닥면에 볼트결합구멍(18)이 형성되어 고정홈(16)에 다수의 칼날(32)이 고정된 칼날뭉치(20)을 끼워 볼트(24a)고정한다.The outer peripheral surface 12 of the drum 10 in the circumferential direction is formed in the circumferentially fixed blade groove 16 is formed at equal intervals and the fixing groove 16 is formed on the bottom surface of the fixing groove 16 is fixed groove 16 A plurality of blades 32 are fixed to the bolts 24a by inserting the blade bundles 20 fixed thereto.

상기 칼날뭉치(20)는 수직및 수평으로 관통된 다수의 볼트결합구멍(24)(24')이 서로 어긋나게 설치되어 있는 고정대(22)와 다수의 칼날삽입홈(28)이 형성되어 칼날(32)이 끼워지는 지지대(26)의 구성으로 고정대(22)와 지지대(26)을 볼트(24b)로 결착하여 칼날(32)이 1차 고정되고 지지대(26)의 칼날삽입홈(28)에 볼트결합구멍(30)이 관통되어 볼트(30a)결합으로 칼날(32)의 몸체부분을 고정하는 2차고정이 이루어지도록 되어 있다.The blade bundle 20 has a plurality of blade insertion grooves (28) and a plurality of blade insertion grooves (28) in which a plurality of bolt coupling holes (24, 24 '), which are vertically and horizontally penetrated therebetween, are formed to form a blade (32). In the configuration of the support (26) to be fitted into the holder 22 and the support (26) by the bolt 24b, the blade 32 is fixed first and the blade insertion groove 28 of the support (26) bolts The coupling hole 30 is penetrated so that the secondary fixing to fix the body portion of the blade 32 by the bolt (30a) coupling is made.

그리고 상기 칼날(32)이 고정설치되는 부분과 근접된 드럼(10)의 외주면(12)은 내향된 경사단면부(14)로 형성되어 드럼(10)의 접촉저항을 줄일 수 있도록 되어 있다.In addition, the outer circumferential surface 12 of the drum 10 proximate to the portion where the blade 32 is fixedly installed is formed by the inclined end surface portion 14 which is inward to reduce the contact resistance of the drum 10.

또, 칼날(32)은 날부(34)에서 등부(36)쪽으로 폭(ℓ1, ℓ2)이 좁아지는 ""형 단면으로 구성되어 칼날의 절삭효율을 높일 수 있게 되어 있다.In addition, the blade 32 has a width L 1 , L 2 narrowing from the blade part 34 toward the dorsal part 36. It is composed of "shaped cross section, and it is possible to raise cutting efficiency of a blade.

이와같이 된 본 고안은 드럼(10)의 외주면(12)에 등간격으로 형성되는 칼날뭉치고정홈(16)에 다수의 칼날(32)이 고정된 칼날뭉치(20)를 끼워 볼트(24a)로 고정하여 톱밥제조기로 사용하게 된다.The present invention as described above is fixed to the outer peripheral surface (12) of the drum (10) by a bolt (24a) by inserting a blade bundle 20 is fixed a plurality of blades 32 fixed to the blade abutment groove 16 is formed at equal intervals. It is used as a sawdust maker.

이때 칼날뭉치(20)는 다수의 칼날삽입홈(28)이 형성된 지지대(26)에 칼날(32)을 끼워 고정대(22)로 밀착한 다음 볼트(24b)로 결착되게 함으로서 칼날(32)을 1차 고정하게 되고 칼날삽입홈(28)의 관통된 볼트결합구멍(30)을 통해 볼트(30a)로 칼날(32)의 몸체부분을 2차 고정하게 되므로 견고한 칼날(32)고정상태를 유지하게 된다At this time, the blade bundle 20 is fitted with a blade 32 to the support (26) formed with a plurality of blade insertion grooves 28 is fixed to the holder (22) and then fixed by a bolt (24b) to make the blade 32 1 Car is fixed and the body of the blade 32 is secondarily fixed with the bolt (30a) through the through bolt coupling hole 30 of the blade insertion groove 28 to maintain a solid blade 32 fixed state

상기 칼날(32)이 마모되어 날부(34)를 절단하여 재사용할 경우 또는 칼날(32)의 설치높이를 조절하는 경우에는 도8의 (나)와 같이 칼날(32)을 칼날삽입홈(28)에서 위로 빼내어 설치높이를 맞춘 다음 볼트(30a)로 고정하여 사용하게 된다.When the blade 32 is worn out and the blade portion 34 is cut and reused, or when adjusting the installation height of the blade 32, the blade 32 is inserted into the blade insertion groove 28 as shown in FIG. Pull out from the top to adjust the installation height and then fixed to use with bolts (30a).

그리고 톱밥크기등을 다르게 하는 경우에는 칼날(32)의 고정설치간격이나 칼날(32)의 크기등이 다른 칼날뭉치(20)를 사용하여 칼날뭉치고정홈(16)에 끼워 고정설치하면 된다.And when changing the sawdust size, etc., the fixed installation interval of the blade 32 or the size of the blade 32, etc. may be fixed and installed by inserting the blade bundle and the fixed groove 16 using different blade bundles (20).

또, 칼날(32)이 고정설치부분의 드럼외주면(12)은 내향된 경사단면부(14)로 형성되어 절삭공급되는 목재가 드럼외주면에 접촉되는 것을 최소화하여 접촉저항을 줄일수 있게 된다.In addition, the drum outer peripheral surface 12 of the fixed installation portion of the blade 32 is formed by the inclined end surface portion 14 inwardly to minimize the contact resistance of the wood to be supplied to the drum outer peripheral surface to reduce the contact resistance.

또, 칼날(32)은 날부(24)에서 등부(36)쪽으로 폭이 좁아지는 형태로 구성되어 있어서 칼날(32)의 날부(34)에 의해 목재가 절삭되는 과정에서 날부(34)안쪽부분에 목재가 접촉되어 부하가 발생하는 것을 방지하고 절삭효율을 높여주게 된다.In addition, the blade 32 is configured in the form of narrowing the width from the blade 24 toward the back 36, so that the inner portion of the blade 34 in the process of cutting wood by the blade 34 of the blade 32 It prevents load from coming into contact with wood and improves cutting efficiency.

한편, 본 고안에 따른 드럼(10)은 외주면에 칼날뭉치고정홈(16)으로만 형성되고 그 고정홈(16)에 칼날뭉치(20)를 끼워 고정설치하는 구성이므로 대형구조물로된 드럼(10)의 성형작업이 용이하고 칼날의 설치및 교체가 편리하게 이루어진다.On the other hand, the drum 10 according to the present invention is formed only by the blade abutment fixing grooves 16 on the outer circumferential surface and the drum 10 made of a large structure because it is configured to fit the blade bundles 20 into the fixing grooves 16. ) It is easy to mold and install and replace the blade.

이상에서 본 고안의 상기 실시예를 참고하여 설명하였지만 본 고안의 기술사상범위내에서 다양한 변형실시가 가능함은 물론이다.Although described above with reference to the embodiment of the present invention, of course, various modifications are possible within the technical scope of the present invention.

이와같이 본 고안의 톱밥제조기용 칼날고정장치및 그 칼날로된 구성은 드럼의 외주면에 칼날뭉치고정홈이 간단하게 형성되어 다수의 칼날이 구비된 칼날뭉치를 끼워 고정설치하는 것으로 되어 있어서 대형구조물로된 드럼의 성형작업이 간단하고 칼날의 설치및 교체를 용이하게 할수 있게 된다.Thus, the blade fixing device and the configuration of the blade for the sawdust manufacturing machine of the present invention has a large structure because the blade is formed on the outer circumferential surface of the drum and simply formed by inserting a blade bundle equipped with a plurality of blades. The molding operation of the drum is simple, and it is easy to install and replace the blade.

또한, 칼날은 칼날뭉치1,2차 고정되므로 견고하고 칼날의 설치높이 조절등이 용이하다.In addition, since the blade is fixed in the first and second blade bundles, it is firm and easy to adjust the installation height of the blade.

또, 드럼의 외주면은 접촉저항을 최소화 할수 있게 되고, 칼날은 부하발생을줄이고 절삭효율을 향상시킬수 있도록 한 구성으로 작업생산성을 높일수 있는 이점이 있다.In addition, the outer circumferential surface of the drum can minimize the contact resistance, the blade has the advantage to increase the work productivity with the configuration to reduce the load generation and improve the cutting efficiency.

Claims (3)

드럼의 외주면에 등간격으로 다수의 칼날이 고정설치되어 사용되는 톱밥제조기에 있어서,In the sawdust manufacturing machine which is fixedly installed on the outer circumferential surface of the drum with a plurality of blades, 드럼의 외주면에 둘레방향으로 칼날뭉치고정홈이 등간격으로 형성되어 다수의 칼날이 구비된 칼날뭉치를 끼워 볼트로 고정하되 상기 칼날뭉치는 수평및 수직으로 관통된 다수의 볼트결합구멍이 서로 어긋나게 설치되어 볼트결합되게한 고정대와 다수의 칼날삽입홈이 형성되어 칼날이 끼워지는 지지대로 구성되어 상기 고정대와 지지대를 볼트로 결착하고 지지대의 칼날삽입홈에 볼트결합구멍이 관통되어 볼트결합으로 칼날의 몸체부분을 고정하는 구성으로 됨을 특징으로 하는 톱밥제조기용 칼날고정장치Blades are fixed at equal intervals on the outer circumferential surface of the drum and fixed with bolts by inserting blade bundles having a plurality of blades. It is composed of a support and a plurality of blade insertion groove is formed to be bolted to the blade is inserted into the support is inserted into the blade is fastened to the blade and the support with a bolt, the bolt insertion hole penetrates the blade insertion groove of the support through the bolt to the blade body Blade fixing device for sawdust maker, characterized in that the configuration for fixing the part 제1항에 있어서, 상기 칼날이 고정설치되는 부분과 근접된 드럼의 외주면은 내향된 경사단면부로 형성된 것을 특징으로 하는 톱밥제조기용 칼날고정장치According to claim 1, wherein the outer peripheral surface of the drum adjacent to the portion where the blade is fixed fixed blade cutting device for sawdust manufacturing equipment, characterized in that formed inwardly inclined cross-section portion. 제1항에 있어서, 상기 칼날은 날부에서 등부쪽으로 폭이 좁아지는 ""형 단면으로 구성되는 것을 특징으로 하는 톱밥제조기용 칼날2. The blade of claim 1 wherein the blade is narrowed from the blade to the dorsal end. Sawdust maker blade, characterized in that consisting of "
KR20-2004-0028840U 2004-10-12 2004-10-12 Blade fixing unit for a wood chipper and its blade KR200373076Y1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8101952B2 (en) 2008-03-27 2012-01-24 Samsung Mobile Display Co., Ltd. Thin film transistor, method of fabricating the same, and organic lighting emitting diode display device including the same
US8253141B2 (en) 2008-07-14 2012-08-28 Samsung Mobile Display Co., Ltd. Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the thin film transistor
US8283668B2 (en) 2007-08-23 2012-10-09 Samsung Display Co., Ltd. Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the same
US8318523B2 (en) 2008-04-11 2012-11-27 Samsung Display Co., Ltd. Thin film transistor, method of fabricating the same and organic light emitting diode display device having the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8283668B2 (en) 2007-08-23 2012-10-09 Samsung Display Co., Ltd. Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the same
US8101952B2 (en) 2008-03-27 2012-01-24 Samsung Mobile Display Co., Ltd. Thin film transistor, method of fabricating the same, and organic lighting emitting diode display device including the same
US8318523B2 (en) 2008-04-11 2012-11-27 Samsung Display Co., Ltd. Thin film transistor, method of fabricating the same and organic light emitting diode display device having the same
US8253141B2 (en) 2008-07-14 2012-08-28 Samsung Mobile Display Co., Ltd. Thin film transistor, method of fabricating the same, and organic light emitting diode display device including the thin film transistor

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