KR200422459Y1 - Heat-radiaton sheet - Google Patents

Heat-radiaton sheet Download PDF

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KR200422459Y1
KR200422459Y1 KR2020060012495U KR20060012495U KR200422459Y1 KR 200422459 Y1 KR200422459 Y1 KR 200422459Y1 KR 2020060012495 U KR2020060012495 U KR 2020060012495U KR 20060012495 U KR20060012495 U KR 20060012495U KR 200422459 Y1 KR200422459 Y1 KR 200422459Y1
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heat dissipation
sheet
inorganic adhesive
graphite
dissipation sheet
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KR2020060012495U
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Korean (ko)
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김재준
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김재준
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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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

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  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Laminated Bodies (AREA)

Abstract

본 고안은 PDP, IC, LCD등의 전자제품에 적용되는 방열시트에 관한 것으로서, 방열효과를 극대화 하면서도 자원 낭비가 없으며, 또한 작업성도 개선된 방열시트를 제공코자 하는 것이다.The present invention relates to a heat dissipation sheet applied to electronic products such as PDP, IC, LCD, etc., to provide a heat dissipation sheet that maximizes the heat dissipation effect, does not waste resources, and improves workability.

즉, 본 고안은 흑연층 표면의 일측 혹은 양측에 알루미늄 박판(3)(3')을 무기질 접착제로 접착 고정하고, 일측 알루미늄 박판(3) 표면에 무기질 접착제(4)를 도포한 방열시트(1)를 제공한 것으로서, 작업자의 손에 흑연이 묻어나는 문제점을 일소할 수 있고, 방열 효과 향상 및 방열시트(1)의 파손율 저하, 작업 능률 향상을 기대할 수 있는 것이다.That is, the present invention is a heat-radiating sheet (1) in which the aluminum thin plates (3) (3 ') are bonded to one side or both sides of the graphite layer surface with an inorganic adhesive, and the inorganic adhesive (4) is coated on the one side of the aluminum thin plate (3) surface. ), It is possible to eliminate the problem that the graphite on the operator's hand, and to improve the heat dissipation effect, the breakage rate of the heat dissipation sheet (1), can be expected to improve the work efficiency.

방열시트, 흑연층, 알루미늄 박판, 무기질 접착제, 전자제품 Heat dissipation sheet, graphite layer, aluminum sheet, inorganic adhesive, electronics

Description

방열시트{Heat-radiaton sheet}Heat dissipation sheet {Heat-radiaton sheet}

도 1은 본 고안의 바람직한 일 실시예를 보인 파절상태 사시도1 is a perspective view showing a fractured state showing an embodiment of the present invention

도 2는 본 고안의 확대 단면도2 is an enlarged cross-sectional view of the present invention

도 3은 본 고안의 다른 실시예를 보인 파절상태 사시도3 is a perspective view showing a fractured state showing another embodiment of the present invention

도 4는 도 3의 확대 단면도4 is an enlarged cross-sectional view of FIG.

■도면의 주요부분에 사용된 부호의 설명 ■Explanation of symbols used in main part of drawing

1:방열시트1: heat radiation sheet

2:흑연층2: graphite layer

3,3':알루미늄 박판3,3 ': aluminum sheet

4:무기질 접착제4: inorganic adhesive

본 고안은 PDP, IC, LCD등의 전자제품에 적용되는 방열시트에 관한 것으로 서, 보다 구체적으로는 방열효과를 극대화 하면서도 자원 낭비가 없으며, 또한 작업성도 개선된 방열시트를 제공코자 하는 것이다.The present invention relates to a heat dissipation sheet that is applied to electronic products such as PDP, IC, LCD, and more specifically, to provide a heat dissipation sheet that maximizes heat dissipation effect but does not waste resources and improves workability.

PDP, IC, LCD등의 전자제품에 적용되는 종래의 그래파이트(graphite)를 이용한 방열시트는 흑연으로 이루어진 흑연층의 일측면에 점착액을 도포하고, 점착액의 표면에 이형지를 점착시켜 PDP, IC, LCD등에 방열시트를 고정시킬 수 있게 하고 있다.In the heat dissipation sheet using graphite, which is applied to electronic products such as PDP, IC, and LCD, the adhesive is applied to one side of the graphite layer made of graphite, and the release paper is adhered to the surface of the adhesive to make PDP, IC It is possible to fix the heat dissipation sheet on LCD.

그러나 상기한 종래 방열시트의 경우 고정시키기 위해서 먼저 이형지를 분리한 상태에서 흑연층의 일면에 도포된 점착액을 대상물에 접착하게 되는데 이형지를 분리하는 과정에서 흑연층의 표면이 점착액과 같이 분리되는 표면박리 현상이 발생하는 문제점이 있었고, 또한 작업자의 손에 흑연이 묻어나는 등의 문제점도 있었다.However, in the case of the conventional heat dissipation sheet, in order to fix the release paper first, the adhesive liquid applied to one surface of the graphite layer is adhered to the object. In the process of separating the release paper, the surface of the graphite layer is separated like the adhesive liquid. There was a problem that the surface peeling phenomenon occurs, and there was also a problem such as graphite on the operator's hand.

또한 폐기되는 이형지를 접착함으로 해서 제조원가가 상승하게 되고, 분리 시 상당량의 불량품 발생이 예상되며, 접착 작업성도 매우 떨어지는 등 다수의 문제점이 있었다.In addition, the manufacturing cost is increased by bonding the release paper to be discarded, a large amount of defective products are expected to occur when separating, the adhesion workability is also very poor, there were a number of problems.

이에 본 고안자는 상기한 종래 방열시트가 갖는 제반 문제점을 일소코자 본 고안을 안출한 것으로서, The present inventors have devised the present invention to solve the problems of the conventional heat dissipation sheet as described above.

본 고안에서는 흑연으로 이루어진 흑연층의 일면 혹은 양면에 흑연보다 열전 도성이 뛰어난 알루미늄 박판을 접착하여 방열효과를 높일 수 있게 함과 아울러 작업자의 손에 흑연이 묻는 등의 문제점을 일소하며, 일측 알루미늄 박판의 표면에 실리카 본드와 같은 무기질 접착제를 도포하여 종래와 같이 이형지를 박리하는 수고로움 없이 작업이 가능케 함으로 해서 이형지 접착 및 박리에 따른 다수의 문제점을 일소하는 방열시트를 제공함에 고안의 기술적 과제를 두고 본 고안을 완성한 것이다.In the present invention, one or both sides of the graphite layer made of graphite can be bonded to an aluminum thin plate having better thermal conductivity than graphite, thereby improving heat dissipation effect, and also eliminating problems such as graphite on the operator's hand. The technical problem of the invention is to provide a heat dissipation sheet that eliminates a number of problems due to the release and adhesion of the release paper by applying an inorganic adhesive such as silica bond on the surface of the work without the trouble of peeling the release paper as in the prior art. This invention has been completed.

도 1은 본 고안의 바람직한 일 실시예를 보인 파절상태 사시도를 도시한 것이고, 도 2는 본 고안의 확대 단면도를 도시한 것으로서, 이하에서 본 고안의 구성을 설명한다.1 is a perspective view showing a fractured state showing a preferred embodiment of the present invention, Figure 2 is an enlarged cross-sectional view of the present invention, will be described below the configuration of the present invention.

본 고안에서 제공하는 흑연을 이용한 방열시트(1)의 구성을 적극 개량 고안한 것으로서, 흑연으로 이루어진 흑연층(2)의 일측 표면에 알루미늄 박판(3)을 무기질 접착제로 접착하고, 알루미늄 박판(3)의 표면에 무기질 접착제(4)를 도포한 구성이다.The structure of the heat dissipation sheet 1 using graphite provided by the present invention was actively improved. The aluminum thin plate 3 was bonded to one surface of the graphite layer 2 made of graphite with an inorganic adhesive, and the aluminum thin plate 3 It is the structure which apply | coated the inorganic adhesive agent 4 on the surface of).

상기 무기질 접착제(4)는 PDP, IC, LCD등의 전자제품에 접착된 상태에서 열을 가하더라도 박리되는 등의 염려가 없는 것으로서, 전자제품 등을 제조하는 과정에서 도포하여 사용함이 바람직하다.The inorganic adhesive 4 has no fear of being peeled off even when heated in a state of being bonded to electronic products such as PDP, IC, LCD, etc., and is preferably used by applying it in the process of manufacturing electronic products.

그리고 상기 흑연층(2)에 알루미늄 박판(3)을 접착하는 무기질 접착제 및 알루미늄 박판(3)의 표면에 도포되는 무기질 접착제(4)에는 열전도성을 높일 목적으 로 전도성이 높은 물질인 흑연분말, 알루미늄 분말, 구리분말 등을 중량비로 20~60%혼합 구성함이 바람직하다.In addition, the inorganic adhesive for adhering the aluminum thin plate 3 to the graphite layer 2 and the inorganic adhesive 4 applied to the surface of the aluminum thin plate 3 include graphite powder which is a highly conductive material for the purpose of increasing thermal conductivity. It is preferable that 20 to 60% of the aluminum powder, copper powder and the like be mixed in a weight ratio.

도 3 내지 도 4는 본 고안의 다른 실시예를 보인 사시도 및 단면도를 도시한 것으로서, 이는 상기한 방열시트(1)를 구성함에 있어서, 흑연층(2)의 양측면에 알루미늄박판(3)(3')을 무기질 접착제로 접착 고정하고 일측 알루미늄 박판(3)의 표면에 무기질 접착제(4)를 도포한 구성이다.3 to 4 show a perspective view and a cross-sectional view showing another embodiment of the present invention, which constitutes the above-described heat dissipation sheet 1, wherein the aluminum foils 3 and 3 are disposed on both sides of the graphite layer 2. ') Is fixed with an inorganic adhesive, and the inorganic adhesive 4 is applied to the surface of one side of the aluminum thin plate 3.

이상과 같이 구성되는 본 고안 방열시트(1)는 PDP, IC, LCD등의 전자제품에 적용하여 전자제품에서 발생하는 열을 방열시키는 용도로 사용되는 것으로서, 이하에서 본 고안의 작용 등을 설명한다.The present invention heat dissipation sheet 1 configured as described above is used for heat dissipation generated from electronic products by applying to electronic products such as PDP, IC, LCD, and the like, and the operation of the present invention will be described below. .

본 고안은 종래와 같이 이형지를 분리하는 번거로움 업이 사용가능한 것으로서, 열가소성 접착제(4)가 도포된 측을 부착대상물에 밀착시킨 상태에서 발열체로 방열시트(1)를 가압하면 무기질 접착제(4)가 부착대상물과 신속하고 견고하게 접착되는 것으로서, The present invention can be used to remove the release paper as in the prior art, the inorganic adhesive (4) when pressing the heat-radiating sheet (1) with a heating element in a state in which the side to which the thermoplastic adhesive (4) is applied to the attachment object in close contact Is quickly and firmly adhered to the attachment object,

본 고안에 의하면 흑연층(2)의 일측면 혹은 양측면에 흑연보다 열전도성이 우수한 알루미늄 박판(3)(3')이 접착 고정되어 있고, 흑연층(2)에 알루미늄 박판(3)을 접착하는 무기질 접착제 및 알루미늄 박판(3)의 표면에 도포되는 무기질 접착제(4)에는 열전도성이 높은 물질인 흑연분말, 알루미늄 분말, 구리분말 등이 혼합 구성되어 있으므로 방열 기능성을 획기적으로 향상시킬 수 있는 것이다.According to the present invention, the aluminum thin plates 3 and 3 ', which are more thermally conductive than graphite, are bonded to one side or both sides of the graphite layer 2, and the aluminum thin plates 3 are bonded to the graphite layer 2. The inorganic adhesive 4 coated on the surface of the inorganic adhesive agent and the aluminum thin plate 3 is composed of a mixture of graphite powder, aluminum powder, copper powder, and the like, which is a material having high thermal conductivity, and thus can significantly improve heat dissipation functionality.

이상에서 살펴본 바와 같이 본 고안의 방열시트(1)는 흑연층(2) 표면의 일측 혹은 양측에 알루미늄 박판(3)(3')을 접착고정하고, 일측 알루미늄 박판(3) 표면에 실리카 본드와 같은 무기질 접착제(4)를 도포한 것으로서, 하기와 같은 다수의 효과를 득할 수 있는 매우 유용한 고안이다.As described above, the heat dissipation sheet 1 of the present invention adheres and fixes the aluminum thin plates 3 and 3 'to one or both sides of the graphite layer 2 surface, and the silica bond and the surface of the aluminum thin plate 3 to one side. By applying the same inorganic adhesive 4, it is a very useful design that can obtain a number of effects as follows.

1) 작업자의 손에 흑연이 묻어나는 문제점을 일소할 수 있다.1) It can eliminate the problem of graphite on the worker's hand.

2) 흑연 보다 열 전도성이 우수한 알루미늄 박판(3)(3')이 접착 고정되어 있으므로 방열 효과를 높일 수 있다.2) Since the aluminum thin plate 3 (3 ') having better thermal conductivity than graphite is adhesively fixed, heat dissipation effect can be enhanced.

3) 방열시트(1)를 접착하는 과정에서 방열시트(1)의 파손율을 획기적으로 줄일 수 있다.3) In the process of adhering the heat dissipation sheet (1) it can significantly reduce the breakage rate of the heat dissipation sheet (1).

4) 흑연층(2)에 알루미늄 박판(3)을 접착하는 무기질 접착제 및 알루미늄 박판(3)의 표면에 도포되는 무기질 접착제(4)에 열 전도성이 우수한 흑연분말, 알루미늄 분말, 구리분말 등이 내입되므로 열전도성을 향상시켜 방열효과를 극대화 시킬 수 있는 것이다. 4) Graphite powder, aluminum powder, copper powder, etc. having excellent thermal conductivity are embedded in the inorganic adhesive for bonding the aluminum thin plate 3 to the graphite layer 2 and the inorganic adhesive 4 applied to the surface of the aluminum thin plate 3. Therefore, it is possible to maximize the heat dissipation effect by improving the thermal conductivity.

5) 종래와 같이 이형지를 탈피하는 등의 번거로움이 없어 작업 능률을 향상시킬 수 있다.5) Work efficiency can be improved because there is no hassle such as removing the release paper.

6) 작업 후 쓰레기 발생이 없다.6) No waste after work.

Claims (3)

방열시트(1)를 구성함에 있어서,In constructing the heat dissipation sheet 1, 흑연으로 이루어진 흑연층(2)과,A graphite layer 2 made of graphite, 상기 흑연층(2)의 일측 표면에 무기질 접착제로 접착 고정되는 알루미늄 박판(3)과,An aluminum thin plate 3 adhesively fixed to an inorganic adhesive surface on one surface of the graphite layer 2, 상기 알루미늄 박판(3)의 표면에 도포되는 무기질 접착제(4)를 포함하는 구성으로 이루어진 것을 특징으로 하는 방열시트.Heat dissipation sheet, characterized in that consisting of a composition comprising an inorganic adhesive (4) applied to the surface of the aluminum thin plate (3). 제 1항에 있어서,The method of claim 1, 상기 흑연층(2)의 타측면에도 알루미늄 박판(3')이 무기질 접착제로 접착 고정되는 것을 특징으로 하는 방열시트.Heat dissipation sheet, characterized in that the aluminum thin plate (3 ') is also adhesively fixed to the other side of the graphite layer (2) with an inorganic adhesive. 제 1 내지 제 2항 중 선택된 어느 한 항에 있어서,The method according to any one of claims 1 to 2, 상기 흑연층(2)에 알루미늄 박판(3)을 접착하는 무기질 접착제 및 알루미늄 박판(3)의 표면에 도포되는 무기질 접착제(4)에는 흑연분말, 알루미늄 분말, 구리분말 중 선택된 어느 하나가 중량비로 20~60%혼합 구성된 것을 특징으로 하는 방열시트.The inorganic adhesive for bonding the aluminum thin plate 3 to the graphite layer 2 and the inorganic adhesive 4 applied to the surface of the aluminum thin plate 3 may include any one selected from graphite powder, aluminum powder and copper powder in a weight ratio of 20. Heat dissipation sheet, characterized in that composed of ~ 60%.
KR2020060012495U 2006-05-10 2006-05-10 Heat-radiaton sheet KR200422459Y1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101181573B1 (en) 2010-12-27 2012-09-10 율촌화학 주식회사 Heat radiating sheet
KR101189990B1 (en) 2010-07-05 2012-10-12 율촌화학 주식회사 Heat radiation tape and manufacturing method thereof
WO2013012291A3 (en) * 2011-07-21 2013-04-11 한화케미칼 주식회사 Battery packaging material having heat-dissipating characteristics
KR101379437B1 (en) * 2012-10-25 2014-04-04 (주) 유원컴텍 Thermal radiation sheet with the multi layers
KR101419426B1 (en) * 2012-03-16 2014-07-14 에스케이씨 주식회사 Heat radiating sheet
KR102033252B1 (en) 2018-07-13 2019-11-08 전태구 Expanded Graphite Sheet with protective film attached and Method of manufacturing Expanded Graphite Sheet with protective film

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101189990B1 (en) 2010-07-05 2012-10-12 율촌화학 주식회사 Heat radiation tape and manufacturing method thereof
KR101181573B1 (en) 2010-12-27 2012-09-10 율촌화학 주식회사 Heat radiating sheet
WO2013012291A3 (en) * 2011-07-21 2013-04-11 한화케미칼 주식회사 Battery packaging material having heat-dissipating characteristics
US20140234689A1 (en) * 2011-07-21 2014-08-21 Hanwha Chemical Corporation Packaging material for battery having heat dissipation property
KR101419426B1 (en) * 2012-03-16 2014-07-14 에스케이씨 주식회사 Heat radiating sheet
KR101379437B1 (en) * 2012-10-25 2014-04-04 (주) 유원컴텍 Thermal radiation sheet with the multi layers
KR102033252B1 (en) 2018-07-13 2019-11-08 전태구 Expanded Graphite Sheet with protective film attached and Method of manufacturing Expanded Graphite Sheet with protective film

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