WO2015106587A1 - 一种新型散热反射片 - Google Patents

一种新型散热反射片 Download PDF

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WO2015106587A1
WO2015106587A1 PCT/CN2014/088459 CN2014088459W WO2015106587A1 WO 2015106587 A1 WO2015106587 A1 WO 2015106587A1 CN 2014088459 W CN2014088459 W CN 2014088459W WO 2015106587 A1 WO2015106587 A1 WO 2015106587A1
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layer
heat dissipation
dissipating
reflection sheet
heat
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PCT/CN2014/088459
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English (en)
French (fr)
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刘林
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苏州艾尔迪电子有限公司
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G06F1/203—Cooling means for portable computers, e.g. for laptops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/202—LCD, i.e. liquid crystal displays

Definitions

  • the utility model relates to the technical field of heat dissipation of a liquid crystal module, in particular to a novel heat radiation reflection sheet.
  • heat dissipating materials and heat dissipation methods have been widely used in mobile phones. It is common to attach some heat dissipating materials to the surface of the heating element for heat dissipation. These materials include metal materials with high thermal conductivity such as graphite and copper.
  • the position of the processor is generally the surface of the processor or the circuit board.
  • the back surface of the liquid crystal display module of the smart phone is usually a front reflective material, and there is no other material covering thereon, and the heat conduction efficiency is low, so the screen heating problem needs to be improved.
  • the technical problem mainly solved by the utility model is to provide a novel heat-dissipating reflection sheet with good reflection performance, fast heat conduction speed and effective heat dissipation for the liquid crystal display module.
  • the heat dissipation reflection sheet comprises: a reflective body layer, an intermediate connection layer and a back heat dissipation layer, wherein the intermediate connection layer is disposed between the reflective body layer and the back heat dissipation layer, wherein the reflective body layer is a metal material, a polyester composite material or A reflective sheet made of ESR material, the back heat dissipation layer is a film made of natural graphite, artificial graphite, copper, aluminum material or organic thermal conductive silica, and the intermediate connecting layer is an adhesive.
  • the metal material comprises one of silver, aluminum, chromium, mercury, or a mixture thereof.
  • the back heat dissipation layer is a single layer or a multilayer composite structure.
  • the thickness of the reflective body layer ranges from 0.01 mm to 10 mm.
  • the back heat dissipation layer has a thickness of at least 0.001 mm.
  • the utility model has the beneficial effects that the novel heat-dissipating reflection sheet pointed out by the utility model has the advantages that the heat-dissipating material and the reflection sheet are combined as a whole, and is applied in the field of liquid crystal display modules without changing the mechanical structure thereof.
  • the whole liquid crystal display module has better heat dissipation function, and the heating problem of the smart phone or the tablet computer can be alleviated to some extent.
  • FIG. 1 is a schematic structural view of a preferred embodiment of a novel heat-dissipating reflector according to the present invention
  • an embodiment of the present invention includes:
  • a novel heat-dissipating reflective sheet comprising: a reflective body layer 1, an intermediate connection layer 2 and a back heat dissipation layer 3, the intermediate connection layer 2 being disposed between the reflective body layer 1 and the back heat dissipation layer 3, the reflective body layer 1 a reflective sheet made of a metal material, a polyester-based synthetic material or an ESR material, wherein the back heat-dissipating layer 3 is a film made of natural graphite, artificial graphite, copper, aluminum material or organic heat-conductive silicone, and the intermediate connecting layer 2 As a binder.
  • the metal material comprises one of silver, aluminum, chromium, mercury, or a mixture thereof, and the surface of the reflective sheet has a good effect of specular reflection and diffuse reflection.
  • the novel heat-dissipating reflector is characterized by a back heat-dissipating layer 3, and the back heat-dissipating layer 3 is a single-layer or multi-layer composite structure, which has high heat conduction speed and high heat conduction efficiency.
  • the reflective body layer 1 has a thickness ranging from 0.01 mm to 10 mm and is suitable for various liquid crystal display modules.
  • the thickness of the back heat dissipation layer 3 is at least 0.001 mm, which is adjusted according to the requirements of the use environment, and does not affect the thickness of the device.
  • the present invention discloses a novel heat-dissipating reflection sheet, which has greatly improved heat conduction effect compared with an ordinary reflection sheet, and is applied to a liquid crystal display module of a mobile phone or a tablet computer, thereby effectively alleviating the heat dissipation problem of the device. .

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)

Abstract

一种新型散热反射片，包括：反射本体层（1）、中间连接层（2）和背部散热层（3），所述中间连接层（2）设置在反射本体层（1）和背部散热层（3）之间，所述反射本体层（1）为金属材料、聚酯类合成材料或者ESR材料制成的反射片，所述背部散热层（3）为天然石墨、人工石墨、铜、铝材料或者有机导热硅胶制成的薄膜，所述中间连接层（2）为粘结剂；通过上述方式，将散热材料与反射片结合为一个整体，应用在液晶显示模组领域，在不改变其机械结构的同时，使得整个液晶显示模组具有更好的散热功能，可以使智能手机或者平板电脑的发热问题在一定程度上得到缓解。

Description

一种新型散热反射片 技术领域
本实用新型涉及液晶模组散热技术领域，特别是涉及一种新型散热反射片。
背景技术
随着计算机芯片的快速发展和制程能力的迅猛提高，现在的智能手机已经发展到了一个全新的高度，以前很多在计算机，笔记本电脑或者平板电脑上才能实现的功能和运行的软件，如今在智能手机上也可以顺畅的运行。同时，为了达到用户体验的提升，如今的智能手机在屏幕尺寸上也是逐步增大。由于智能手机屏幕较大，需要更多的LED作为其光源，同时，为了实现各种软件的顺利运行，智能手机内处理器的运算速率和数量也在逐步增加。由于智能手机的应用方式所限，其体积不可能无限增大，由此产生的处理器工作时发热问题和液晶显示模组LED工作时的发热问题，会产生叠加效应，使得智能手机散热成为了一个需要立刻解决的新问题。
目前手机中已经广泛采用了各种散热材料和散热方式，比较常见的是将一些散热材料贴附于发热元器件表面进行散热，这些材料包括石墨、铜等导热系数较高的金属材料，贴附的位置一般为处理器或者电路板的表面，可是智能手机的液晶显示模组背面通常为一块正面的反射片材料，上面再无其它材料覆盖，导热效率低，因此屏幕发热问题亟待完善。
实用新型内容
本实用新型主要解决的技术问题是提供一种新型散热反射片，反射性能好，导热速度快，对液晶显示模组进行有效散热。
为解决上述技术问题，本实用新型采用的一个技术方案是：提供一种新型 散热反射片，包括：反射本体层、中间连接层和背部散热层，所述中间连接层设置在反射本体层和背部散热层之间，所述反射本体层为金属材料、聚酯类合成材料或者ESR材料制成的反射片，所述背部散热层为天然石墨、人工石墨、铜、铝材料或者有机导热硅胶制成的薄膜，所述中间连接层为粘结剂。
在本实用新型一个较佳实施例中，所述金属材料包括银、铝、铬、汞中的一种或者其混合物。
在本实用新型一个较佳实施例中，所述背部散热层为单层或者多层复合结构。
在本实用新型一个较佳实施例中，所述反射本体层的厚度范围为0.01mm～10mm。
在本实用新型一个较佳实施例中，所述背部散热层的厚度至少为0.001mm。
本实用新型的有益效果是：本实用新型指出的一种新型散热反射片，优点是将散热材料与反射片结合为一个整体，应用在液晶显示模组领域，在不改变其机械结构的同时，使得整个液晶显示模组具有更好的散热功能，可以使智能手机或者平板电脑的发热问题在一定程度上得到缓解。
附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1是本实用新型一种新型散热反射片一较佳实施例的结构示意图；
附图中各部件的标记如下：1、反射本体层，2、中间连接层，3、背部散热层。
具体实施方式
下面将对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
请参阅图1，本实用新型实施例包括：
一种新型散热反射片，包括：反射本体层1、中间连接层2和背部散热层3，所述中间连接层2设置在反射本体层1和背部散热层3之间，所述反射本体层1为金属材料、聚酯类合成材料或者ESR材料制成的反射片，所述背部散热层3为天然石墨、人工石墨、铜、铝材料或者有机导热硅胶制成的薄膜，所述中间连接层2为粘结剂。
进一步的，所述金属材料包括银、铝、铬、汞中的一种或者其混合物，制成的反射片表面镜面反射和漫反射的效果好。
本实用新型一种新型散热反射片的特点在于背部散热层3，所述背部散热层3为单层或者多层复合结构，热传导的速度快，导热效率高。
进一步的，所述反射本体层1的厚度范围为0.01mm～10mm，适用于各种液晶显示模组。
进一步的，所述背部散热层3的厚度至少为0.001mm，根据使用环境要求来进行调节，不影响设备的厚度。
综上所述，本实用新型指出的一种新型散热反射片，与普通的反射片相比，导热的效果大大提高，应用在手机或者平板电脑的液晶显示模组里，有效缓解了设备散热问题。
以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围， 凡是利用本实用新型说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本实用新型的专利保护范围内。

Claims (5)

  1. 一种新型散热反射片，其特征在于，包括：反射本体层、中间连接层和背部散热层，所述中间连接层设置在反射本体层和背部散热层之间，所述反射本体层为金属材料、聚酯类合成材料或者ESR材料制成的反射片，所述背部散热层为天然石墨、人工石墨、铜、铝材料或者有机导热硅胶制成的薄膜，所述中间连接层为粘结剂。
  2. 根据权利要求1所述的新型散热反射片，其特征在于，所述金属材料包括银、铝、铬、汞中的一种或者其混合物。
  3. 根据权利要求1所述的新型散热反射片，其特征在于，所述背部散热层为单层或者多层复合结构。
  4. 根据权利要求1所述的新型散热反射片，其特征在于，所述反射本体层的厚度范围为0.01mm～10mm。
  5. 根据权利要求1所述的新型散热反射片，其特征在于，所述背部散热层的厚度至少为0.001mm。
PCT/CN2014/088459 2014-01-20 2014-10-13 一种新型散热反射片 WO2015106587A1 (zh)

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CN107979959A (zh) * 2017-12-20 2018-05-01 苏州佳值电子工业有限公司 一种散热性反射片
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Publication number Priority date Publication date Assignee Title
CN107979959A (zh) * 2017-12-20 2018-05-01 苏州佳值电子工业有限公司 一种散热性反射片
EP4277138A1 (en) * 2022-05-08 2023-11-15 Shenzhen Benks Technology Co., Ltd Heat-dissipation holder and protective case for electronic equipment

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