JP2021010006A - 弾性放熱構造及び電子装置 - Google Patents
弾性放熱構造及び電子装置 Download PDFInfo
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
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- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20454—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff with a conformable or flexible structure compensating for irregularities, e.g. cushion bags, thermal paste
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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
- G02F1/133385—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 with cooling means, e.g. fans
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20463—Filling compound, e.g. potted resin
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
- H05K7/20481—Sheet interfaces characterised by the material composition exhibiting specific thermal properties
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- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Signal Processing (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
11、11a、11b 多孔性弾性部材
12 第1の熱伝導部材
13 第2の熱伝導部材
2 電子装置
21 熱源
211、212 表面
3 ディスプレイ
31、322 バット
32 マイクロ気泡発生器
321 ポンプ
33 配管
4、6、8 粘着層
5 放熱フィルム
A 領域
d 厚さ
L 最大幅
O1、O2 気泡
P 熱伝導経路
S1 第1の表面
S2 第2の表面
Claims (10)
- 多孔性弾性部材と、
最大幅が5μmよりも大きく且つ50μm以下であり、厚さが0.3nm以上で且つ30nm以下である、前記多孔性弾性部材中に混合された複数の第1の熱伝導部材と、最大幅が0μmよりも大きく且つ5μm以下であり、厚さが0.3nm以上で且つ30nm以下である、前記多孔性弾性部材中に混合された複数の第2の熱伝導部材と、を含む、弾性放熱構造であって、
前記弾性放熱構造の密度が0.1g/cm3以上且つ1.0g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は0.01%以上で且つ20%以下であり、前記弾性放熱構造の密度が1g/cm3よりも大きく且つ2g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は20%よりも大きく且つ40%以下であり、前記弾性放熱構造の密度が2g/cm3よりも大きく且つ4g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は40%よりも大きく且つ50%以下であり、前記弾性放熱構造の密度が4g/cm3よりも大きく且つ10g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は50%よりも大きく且つ60%以下である、ことを特徴とする弾性放熱構造。 - 前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の総量を100%としたとき、前記複数の第1の熱伝導部材の含有量は5%ないし95%の間である、請求項1に記載の弾性放熱構造。
- 第1の表面と、前記第1の表面と対向する第2の表面とを更に含み、
前記多孔性弾性部材は複数の気泡を有し、前記複数の気泡の一部は前記第1の表面又は前記第2の表面上に位置する気泡を介して外部に連通する、請求項1に記載の弾性放熱構造。 - 第1の表面と、前記第1の表面と対向する第2の表面とを更に含み、
前記多孔性弾性部材は複数の気泡を有し、前記複数の気泡は前記第1の表面と前記第2の表面との間に位置して外部とは連通せず、且つ前記複数の気泡の一部は互いに連通する、請求項1に記載の弾性放熱構造。 - 第1の表面と、前記第1の表面と対向する第2の表面とを更に含み、
前記多孔性弾性部材は複数の気泡を有し、前記複数の気泡は前記第1の表面と前記第2の表面との間に位置して外部とは連通せず、且つ前記複数の気泡は独立して互いに連通しない、請求項1に記載の弾性放熱構造。 - 熱源と、
多孔性弾性部材と、最大幅が5μmよりも大きく且つ50μm以下であり、厚さが0.3nm以上で且つ30nm以下である、前記多孔性弾性部材中に混合された複数の第1の熱伝導部材と、最大幅が0μmよりも大きく且つ5μm以下であり、厚さが0.3nm以上で且つ30nm以下である、前記多孔性弾性部材中に混合された複数の第2の熱伝導部材と、を含む、前記熱源の一つの表面に設けられた弾性放熱構造と、を備える電子装置であって、
前記弾性放熱構造の密度が0.1g/cm3以上で且つ1.0g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は0.01%以上で且つ20%以下であり、前記弾性放熱構造の密度が1g/cm3よりも大きく且つ2g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は20%よりも大きく且つ40%以下であり、前記弾性放熱構造の密度が2g/cm3よりも大きく且つ4g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は40%よりも大きく且つ50%以下であり、前記弾性放熱構造の密度が4g/cm3よりも大きく且つ10g/cm3以下であるときは、前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材の含有量は50%よりも大きく且つ60%以下である、ことを特徴とする電子装置。 - 前記弾性放熱構造の前記複数の第1の熱伝導部材及び前記複数の第2の熱伝導部材が熱伝導経路を形成することにより、前記熱源にて生じた熱エネルギーを前記弾性放熱構造の一方側からその一方側と対向する他方側に伝導する、請求項6に記載の電子装置。
- 前記弾性放熱構造は、第1の表面と、前記第1の表面と対向する第2の表面とを更に含み、前記多孔性弾性部材は複数の気泡を有し、前記複数の気泡の一部は前記第1の表面又は前記第2の表面上に位置する気泡を介して外部に連通する、請求項6に記載の電子装置。
- 前記弾性放熱構造は、第1の表面と、前記第1の表面と対向する第2の表面とを更に含み、前記多孔性弾性部材は複数の気泡を有し、前記複数の気泡は前記第1の表面と前記第2の表面との間に位置して外部とは連通せず、且つ前記複数の気泡の一部は互いに連通する、請求項6に記載の電子装置。
- 前記弾性放熱構造は、第1の表面と、前記第1の表面と対向する第2の表面とを更に含み、前記多孔性弾性部材は複数の気泡を有し、前記複数の気泡は前記第1の表面と前記第2の表面との間に位置して外部とは連通せず、且つ前記複数の気泡は独立して互いに連通しない、請求項6に記載の電子装置。
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CN201910583746.2A CN112188791A (zh) | 2019-07-01 | 2019-07-01 | 弹性散热结构和电子装置 |
CN201910583746.2 | 2019-07-01 | ||
US16/590,650 US10881025B1 (en) | 2019-07-01 | 2019-10-02 | Elastic heat-dissipation structure and electronic device |
US16/590,650 | 2019-10-02 |
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Citations (5)
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JP2011000795A (ja) * | 2009-06-18 | 2011-01-06 | Canon Inc | 樹脂組成物、及びそれを用いた定着用部材 |
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