WO2014206003A1 - 一种灯条、背光模组和显示装置 - Google Patents

一种灯条、背光模组和显示装置 Download PDF

Info

Publication number
WO2014206003A1
WO2014206003A1 PCT/CN2013/088103 CN2013088103W WO2014206003A1 WO 2014206003 A1 WO2014206003 A1 WO 2014206003A1 CN 2013088103 W CN2013088103 W CN 2013088103W WO 2014206003 A1 WO2014206003 A1 WO 2014206003A1
Authority
WO
WIPO (PCT)
Prior art keywords
light bar
protective layer
graphite layer
light
layer
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2013/088103
Other languages
English (en)
French (fr)
Inventor
吴文明
梁恒镇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
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 BOE Technology Group Co Ltd, Hefei BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Publication of WO2014206003A1 publication Critical patent/WO2014206003A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0277—Bendability or stretchability details
    • H05K1/028—Bending or folding regions of flexible printed circuits
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • H05K1/0203—Cooling of mounted components
    • H05K1/0209—External configuration of printed circuit board adapted for heat dissipation, e.g. lay-out of conductors, coatings
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]
    • 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
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10113—Lamp

Definitions

  • Light bar backlight module and display device
  • the present invention relates to the field of display devices, and in particular, to a light bar, a backlight module, and a display device. Background technique
  • a light bar of a display device in the prior art generally includes: a printed circuit board 101 ′ (PCB Board ) a light emitting device 102' on the printed circuit board, a signal line 103' (Connector) provided on the printed circuit board;
  • PCB Board printed circuit board 101 ′
  • a light emitting device 102' on the printed circuit board
  • signal line 103' Connector
  • the light emitting device includes a light emitting device such as an LED; the signal line is used to transmit an electrical signal, and the signal line includes a flexible printed circuit board (FPC) signal line.
  • a light emitting device such as an LED
  • the signal line is used to transmit an electrical signal
  • the signal line includes a flexible printed circuit board (FPC) signal line.
  • FPC flexible printed circuit board
  • the light bar of the prior art after the lighting device is lit, causes the temperature of the side of the light bar close to the light emitting device to be 4 ⁇ high.
  • the thin prism and the diffusion sheet near the light bar in the display device may be deformed by high temperature, for example, slightly bulging, thereby affecting the picture quality of the display device.
  • the life of the display device is reduced. Summary of the invention
  • a light bar comprising a printed circuit board and a light emitting device mounted on the printed circuit board, wherein the light bar is provided with a graphite layer.
  • the graphite layer may be disposed on a side of the printed circuit board of the light strip opposite the light emitting device.
  • the graphite layer has a thickness of not more than 0.1 mm.
  • the upper portion of the graphite layer may be provided with a first protective layer.
  • the thickness of the first protective layer does not exceed 0.1 mm.
  • a second protective layer may be disposed between the light bar and the graphite layer, and the second protective layer is provided with a heat dissipation hole.
  • the thickness of the second protective layer does not exceed 0.1 mm.
  • the material of the first protective layer and the second protective layer may include a hard insulating plastic or ceramic.
  • the graphite layer is adhered to the first protective layer and the second protective layer by a double-sided tape.
  • the thickness of the first protective layer does not exceed 0.01 mm, and the thickness of the second protective layer does not exceed 0.01 mm.
  • the graphite layer is connected to a heat dissipating metal wire.
  • the light emitting device is preferably an LED.
  • a backlight module comprising a metal back plate and a light bar as described above.
  • the graphite layer of the light bar is connected with a heat dissipation metal wire, and the heat dissipation metal wire is connected to the metal back plate, and heat of the graphite layer is introduced to the metal back plate.
  • a display device comprising the backlight module as described above.
  • FIG. 1 is a schematic structural view of a light bar in the prior art
  • FIG. 2 is a schematic structural view of a light bar according to the present invention.
  • FIG. 3 is a schematic structural view showing the first protective layer disposed on the light bar of FIG. 2 according to the present invention
  • FIG. 4 is a schematic structural view showing the second protective layer disposed on the light bar of FIG. 3 according to the present invention
  • a schematic structural view of the second protective layer shown in FIG. 4 is provided with a heat dissipation hole;
  • FIG. 6 is a schematic structural view showing a metal strip of the light bar shown in FIG. 5 according to the present invention.
  • FIG. 2 is a schematic structural view of a light bar according to the present invention.
  • the light bar includes a light emitting device 102 and a printed circuit board 101, and the light bar is disposed on the light bar.
  • the graphite layer 2 is disposed on the printed circuit board 101 of the light bar.
  • the light bar further comprises a signal line 103 disposed on the printed circuit board 101; the thickness of the graphite layer 2 preferably does not exceed 0.1 mm.
  • the thickness of the graphite layer does not exceed 0.1 mm to strictly control the thickness of the graphite layer.
  • the light bar according to the embodiment of the present invention can quickly dissipate heat through the graphite layer, thereby avoiding undesirable deformation such as wrinkles or bulging of the surrounding film caused by excessive temperature of the light bar.
  • the graphite layer is disposed on the light bar instead of the backlight module metal back plate of the display device, the graphite layer provided on the metal back plate of the backlight module can be prevented from interfering with other devices of the display device, such as water. Corrugation, etc., affect the quality of the display device.
  • the ripple refers to the interference phenomenon of the interference point on the display screen if the other components are attached to the metal back plate of the backlight module, and the interference point will be rippled on the display screen, especially in the case of the metal back plate of the backlight module. It is very obvious when shaking.
  • the graphite layer on the light bar also helps Pogo test. Pogo refers to a stress test in the evaluation of LCD reliability, which is used to characterize the potential damage caused by repeated pressure after the display system is installed.
  • the light bar can be placed flat or sideways in the display device.
  • Flat laying means that the printed circuit board of the light bar is parallel to the display screen, and the light emitting surface of the light emitting device of the light bar faces the light guiding plate, so that the light of the light emitting device is incident on the light guiding plate; the side surface refers to the light emitting surface of the light emitting device of the light bar and The printed circuit boards of the light strips are parallel, and the light emitting surface of the light emitting device of the light strip faces the light guide plate, so that the light of the light emitting device is incident on the light guide plate.
  • the side of the light bar in the display device can further reduce the thickness of the display device.
  • FIG. 3 is a schematic view showing the structure of the first protective layer on the light bar shown in FIG. 2. As shown in FIG. 3, the upper portion of the graphite layer 2 is provided with a first protective layer 3.
  • the first protective layer can prevent the graphite layer from being scratched.
  • 4 is a schematic structural view showing the second protective layer disposed on the light bar of FIG. 3 according to the present invention. As shown in FIG. 4, a second protective layer 4 is disposed between the light bar and the graphite layer 2.
  • FIG. 5 is a schematic structural view showing the second protective layer shown in FIG. 4 with a heat dissipation hole. As shown in FIG. 5, the second protective layer is provided with a heat dissipation hole 401.
  • the second protective layer 4 is specifically located between the printed circuit board 101 and the graphite layer 2.
  • the second protective layer prevents the graphite layer from being scratched, and the heat dissipation holes allow the heat of the light bar to be transmitted to the graphite layer.
  • the second protective layer is used to protect the underside of the graphite layer, but the lower side of the graphite layer is a light bar, and the temperature of the light bar needs to be transmitted to the graphite layer, so the second protective layer is provided with a heat dissipation hole, The louvers pass the temperature of the light bar into the graphite layer.
  • the material of the first protective layer and the second protective layer comprises a hard heat insulating plastic or ceramic.
  • the first protective layer utilizes the high hardness of the ceramic to effectively protect the soft graphite layer from damage, especially when the light bar is assembled into the backlight (BLU, Back Light Unit), the graphite layer needs to be well protected. To avoid scratching it.
  • the backlight provides a light source, and the light source is emitted through the glass substrate.
  • the first protective layer utilizes the characteristics of ceramic heat insulation so that the heat of the graphite layer does not adversely affect sensitive components around the light strip. If the temperature of the graphite layer provided on the light bar is anywhere around, the diaphragm around the light bar will be deformed.
  • Hard insulating plastics also have the above characteristics of ceramics and can be used as a substitute for ceramic materials.
  • the first protective layer primarily protects the upper side of the graphite layer and prevents temperature dissipation on the upper side of the graphite layer.
  • the first protective layer also needs to be strictly controlled in thickness, and it is preferable to limit its thickness to 0.1 mm.
  • the thickness control principle is the same as that of the graphite layer, and the second protective layer also needs to be strictly controlled in thickness, and it is preferable to limit the thickness to 0.1 mm.
  • the graphite layer is pasted with the first protective layer and the second protective layer by a double-sided tape.
  • the graphite layer can be bonded to the first protective layer, the graphite layer and the second protective layer, Has the following technical effects:
  • the first protective layer of the ceramic material having a thickness of not more than 0.01 mm damage is likely to occur when it is mounted to the display device. Therefore, a double-sided adhesive layer is disposed between the graphite layer and the first protective layer, and the first protective layer is adhered to the graphite layer by using double-sided tape, so that the ceramic material having a thickness of not more than 0.01 mm can be effectively avoided. Damage to a protective layer during assembly.
  • the second protective layer also has the same principle. It can be seen that the double-sided tape can further reduce the thickness of the first protective layer and the second protective layer to a thickness of not more than 0.01 mm. If the first protective layer and the second protective layer are not mounted with double-sided tape, the first protective layer and the second protective layer having a thickness of not more than 0.01 mm are damaged.
  • the light emitting device is an LED.
  • the embodiment of the invention further provides a backlight module, which comprises a metal back plate, and the backlight module comprises the light bar of the invention.
  • FIG. 6 is a schematic structural view of the light bar shown in FIG. 5, which is provided with a metal wire.
  • the graphite layer 2 of the light bar is connected with a metal wire.
  • the metal wire 5 is connected to the metal back plate, and the heat of the graphite layer 2 is introduced into the metal back plate.
  • the metal back plate is a conventional device of a display device, the metal back plate is not shown in FIG.
  • the metal wire can quickly introduce the heat of the graphite layer onto the metal back plate, and can quickly reach the heat balance, and the heat conduction efficiency is high, so that the heat dispersion is wider and more uniform, and the heat dissipation effect is better.
  • the backlight system has a small space and a compact component. If the heat is not exported in time, the optical film may be easily defective. Therefore, it is more necessary to introduce the heat of the inner light bar to the outside to avoid deformation or damage of the device caused by excessive temperature around the light bar.
  • the metal back plate is not provided with a graphite layer, which avoids interference between the graphite layer of the backlight module and other devices of the display device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Liquid Crystal (AREA)

Abstract

一种灯条，包括印刷电路板（101）和安装在印刷电路板上的发光器件（102），灯条上设有石墨层（2）。该灯条可用于显示装置，通过在灯条上设置石墨层，解决了灯条本身散射的技术问题。

Description

一种灯条、 背光模组和显示装置 技术领域
本发明涉及显示装置领域， 尤其涉及一种灯条、 背光模组和显示装置。 背景技术
图 1为现有技术中灯条的结构示意图， 如图 1所示， 现有技术中显示装 置的灯条（Light bar )—般包括： 印刷电路板 101' ( PCB Board ) 、 设于所述 印刷电路板上的发光器件 102'、 设于所述印刷电路板上的信号线 103' ( Connector ) ；
其中，所述发光器件包括 LED等发光器件；所述信号线用于传输电信号， 所述信号线包括柔性印刷电路板 ( FPC, Flexible Printed Circuit )讯号线。
现有技术中的灯条在发光器件点亮后， 会导致灯条靠近发光器件的一侧 温度 4艮高。 长时间使用灯条并且热量得不到及时的发散时， 会导致显示装置 中靠近灯条的薄棱镜、 扩散片都会因高温发生形变， 例如略微鼓起， 进而影 响显示装置的画面质量。 并且灯条长时间高温工作时， 会使显示装置的寿命 减少。 发明内容
根据本发明实施例， 提供了一种灯条， 其包括印刷电路板和安装在该印 刷电路板上的发光器件， 其中， 所述灯条上设置有石墨层。
所述石墨层可以设置在所述灯条的印刷电路板的与所述发光器件相反的 一侧上。
优选， 所述石墨层的厚度不超过 0.1mm。
所述石墨层的上部可以设有第一保护层。 优选， 所述第一保护层的厚度 不超过 0.1mm。
在所述灯条和所述石墨层之间可以设有第二保护层， 所述第二保护层设 有散热孔。 优选， 所述第二保护层的厚度不超过 0.1mm。
所述第一保护层和第二保护层的材料可以包括硬质隔热塑料或陶瓷。 优选， 所述石墨层通过双面胶与所述第一保护层及所述第二保护层相粘 贴。
优选， 所述第一保护层的厚度不超过 0.01mm, 且所述第二保护层的厚 度不超过 0.01mm。
优选， 所述石墨层连接有散热金属线。
所述灯条中， 所述发光器件优选为 LED。
根据本发明实施例， 还提供一种背光模组， 其包括金属背板和如上所述 的灯条。
所述背光模组中， 优选所述灯条的石墨层连接有散热金属线， 所述散热 金属线连接所述金属背板， 将石墨层的热量导入至所述金属背板。
根据本发明实施例，还提供一种显示装置，其包括如上所述的背光模组。 附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 筒单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。
图 1为现有技术中灯条的结构示意图；
图 2为本发明所述灯条的结构示意图；
图 3为本发明图 2所示灯条上设有所述第一保护层的结构示意图； 图 4为本发明图 3所示灯条上设有所述第二保护层的结构示意图； 图 5为本发明图 4所示第二保护层设有散热孔的结构示意图；
图 6为本发明图 5所示灯条设有金属线的结构示意图；
本发明说明书附图的标号如下：
101、 101'-印刷电路板； 102、 102'-发光器件； 103、 103'-信号线； 2-石墨层； 3-第一保护层； 4-第二保护层； 401-散热孔； 5-金属线。 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图，对本发明实施例的技术方案进行清楚、 完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例， 本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。
本发明实施例提供的一种灯条， 图 2为本发明所述灯条的结构示意图， 如图 2所示， 所述灯条包括发光器件 102和印刷电路板 101 , 所述灯条上设 置有石墨层 2。
进一步， 本发明实施例所述的灯条， 所述石墨层 2设置在所述灯条的印 刷电路板 101上。
其中， 灯条还包括设于印刷电路板 101上的信号线 103; 石墨层 2的厚 度优选不超过 0.1mm。
为了实现显示装置的薄型化， 例如超薄显示装置， 需要严格控制显示装 置内的器件尺寸， 因此优选石墨层的厚度不超过 0.1mm, 以严格控制石墨层 的厚度。
本发明实施例所述的灯条， 通过石墨层迅速散热， 可以避免灯条温度过 高引起的其周围的膜片褶皱或者鼓起等不良形变。
此外， 由于石墨层是设置于灯条上， 而不是显示装置的背光模组金属背 板， 因此可以避免设于背光模组金属背板的石墨层与显示装置的其他器件发 生干涉现象，例如水波紋现象等，影响显示装置的质量。其中，水波纹（ripple ) 是指背光模组金属背板后如果贴附其他部件， 在自身干涉或者在外力作用下 发生的干涉的情况下， 干涉点在显示屏会有波紋般现象， 尤其在晃动时非常 明显。 而且石墨层设置于灯条上也有助于 Pogo测试。 Pogo是指 LCD信赖性 评价方面的一种压力测试，用于表征显示屏装系统后，在经过反复压力后会， 产生怎样潜在性的损坏。
灯条在显示装置中可以平放或者侧放。 平放是指灯条的印刷电路板和显 示屏平行， 灯条的发光器件的发光面朝向导光板， 使发光器件的光射入导光 板； 侧放是指灯条的发光器件的发光面和灯条的印刷电路板平行， 且灯条的 发光器件的发光面朝向导光板， 使发光器件的光射入导光板。 灯条在显示装 置中侧放可以进一步减小显示装置的厚度。
图 3为图 2所示灯条上设有所述第一保护层的结构示意图，如图 3所示， 所述石墨层 2的上部设有第一保护层 3。
第一保护层可以避免石墨层被划伤。 图 4为本发明图 3所示灯条上设有所述第二保护层的结构示意图， 如图 4所示，在所述灯条和所述石墨层 2之间设有第二保护层 4, 图 5为本发明图 4所示第二保护层设有散热孔的结构示意图， 如图 5所示， 所述第二保护层 设有散热孔 401。
第二保护层 4具体位于印刷电路板 101和石墨层 2之间。
第二保护层可以避免石墨层被划伤， 而且散热孔可以使灯条的热量传输 至石墨层。
第二保护层用于保护石墨层的下侧， 但是石墨层的下侧是灯条， 需要将 灯条的温度传入所述石墨层， 因此所述第二保护层设有散热孔， 所述散热孔 将灯条的温度传入所述石墨层。
进一步， 本发明实施例所述的灯条， 所述第一保护层和第二保护层的材 料包括硬质隔热塑料或陶瓷。
第一保护层利用陶瓷硬度大的特点，可有效保护软质的石墨层不受损害， 尤其在将灯条装配进背光源（BLU, Back Light Unit )时， 需要 4艮好地保护石 墨层， 以避免其划伤。 其中背光源提供光源， 光源透过玻璃基板射出。
此外， 第一保护层利用陶瓷隔热的特点， 可以使所述石墨层的热量不会 对灯条周边的敏感器件造成不利影响。 如果设于灯条上的石墨层的温度随便 ½至周围， 会使灯条周围的膜片发生形变。
硬质隔热塑料也具有陶瓷的上述特点， 可以作为陶瓷材料的替代品。 第一保护层主要对石墨层的上侧进行保护， 并防止石墨层上侧的温度散 发。
与石墨层的厚度控制原理相同， 第一保护层也需要严格控制其厚度， 优 选将其厚度限制在 0.1mm之内。
第二保护层的采取陶瓷等硬质材料保护石墨层的原理与第一保护层的原 理相同， 因此不再赘述。
与石墨层的厚度控制原理相同， 第二保护层也需要严格控制其厚度， 优 选将其厚度限制在 0.1mm之内。
进一步， 本发明实施例所述的灯条， 所述石墨层通过双面胶与所述第一 保护层及所述第二保护层相粘贴。
双面胶除了可以使石墨层与第一保护层、 石墨层与第二保护层粘合， 还 具有以下技术效果：
对于厚度不超过 0.01mm的陶瓷材料的第一保护层， 在将其安装至显示 装置时， 容易发生损坏现象。 因此在所述石墨层和所述第一保护层之间设有 双面胶层， 利用双面胶将第一保护层粘贴与石墨层上， 可以有效避免厚度不 超过 0.01mm的陶瓷材料的第一保护层在组装时发生的损坏。 第二保护层也 具有相同原理。 可见双面胶还可以进一步使第一保护层和第二保护层的厚度 更小， 使其厚度不超过 0.01mm。 如果不采用双面胶安装第一保护层和第二 保护层， 会导致厚度不超过 0.01mm的第一保护层和第二保护层损坏。
进一步， 本发明实施例所述的灯条， 所述发光器件为 LED。
本发明实施例还提供一种背光模组， 包括金属背板， 所述背光模组包括 本发明所述的灯条。
进一步， 本发明实施例所述的背光模组， 图 6为本发明图 5所示灯条设 有金属线的结构示意图， 如图 6所示， 所述灯条的石墨层 2连接有金属线 5 , 所述金属线 5连接所述金属背板， 将石墨层 2的热量导入至所述金属背板。
由于所述金属背板为显示装置的惯用器件， 因此， 所述金属背板在图 6 中未出示。
所述金属线可以将石墨层的热量迅速导入到金属背板上， 可迅速达到热 平衡， 导热效率高， 使热量分散的更广、 更均匀， 散热效果更好。 而且对于 小尺寸笔记本、 手机、 平板电脑、 导航仪、 车载显示器等小尺寸显示终端产 品， 由于背光系统空间小， 部件位置紧凑， 热量如果得不到及时导出， 会很 容易引发光学膜片不良。 因此更加需要将其内部的灯条的热量导入到外界， 以避免灯条周边温度过高引起的器件变形或者损坏。
此外金属背板并未设置石墨层， 避免了背光模组的石墨层与显示装置的 其他器件的之间的干涉现象。
以上仅为本发明的优选实施例， 当然，本发明还可以有其他多种实施例， 在不背离本发明精神及其实质的情况下， 熟悉本领域的技术人员当可根据本 发明做出各种相应的改变和变形， 但这些相应的改变和变形都应属于本发明 所附的权利要求的保护范围。

Claims

权利要求书
I、一种灯条， 包括印刷电路板和安装在该印刷电路板上的发光器件， 其 中， 所述灯条上设置有石墨层。
2、如权利要求 1所述的灯条， 其中， 所述石墨层设置在所述灯条的印刷 电路板的与所述发光器件相反的一侧上。
3、 如权利要求 2所述的灯条， 其中， 所述石墨层的厚度不超过 0.1mm。
4、 如权利要求 1-3中任一项所述的灯条， 其中， 所述石墨层的上部设有 第一保护层。
5、 如权利要求 4 所述的灯条， 其中， 所述第一保护层的厚度不超过
0.1mm。
6、如权利要求 4或 5所述的灯条， 其中， 在所述灯条和所述石墨层之间 设有第二保护层， 所述第二保护层设有散热孔。
7、 如权利要求 6 所述的灯条， 其中， 所述第二保护层的厚度不超过 0.1mm。
8、如权利要求 6所述的灯条， 其中， 所述第一保护层和第二保护层的材 料包括硬质隔热塑料或陶瓷。
9、如权利要求 6所述的灯条， 其中， 所述石墨层通过双面胶与所述第一 保护层及所述第二保护层相粘贴。
10、 如权利要求 9 所述的灯条， 其中， 所述第一保护层的厚度不超过
0.01mm, 且所述第二保护层的厚度不超过 0.01mm。
II、 如权利要求 1-3中任一项所述的灯条， 其中， 所述石墨层连接有散 热金属线。
12、 如权利要求 1所述的灯条， 其中， 所述发光器件为 LED。
13、 一种背光模组， 包括金属背板， 其中， 所述背光模组包括如权利要 求 1-12任一项所述的灯条。
14、如权利要求 13所述的背光模组， 其中， 所述灯条的石墨层连接有散 热金属线， 所述散热金属线连接所述金属背板， 将石墨层的热量导入至所述 金属背板。
15、 一种显示装置， 其中， 所述显示装置包括如权利要求 13或 14所述 的背光模组。
PCT/CN2013/088103 2013-06-26 2013-11-29 一种灯条、背光模组和显示装置 Ceased WO2014206003A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310259478.1 2013-06-26
CN201310259478.1A CN103322457B (zh) 2013-06-26 2013-06-26 一种灯条、背光模组和显示装置

Publications (1)

Publication Number Publication Date
WO2014206003A1 true WO2014206003A1 (zh) 2014-12-31

Family

ID=49191381

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/088103 Ceased WO2014206003A1 (zh) 2013-06-26 2013-11-29 一种灯条、背光模组和显示装置

Country Status (2)

Country Link
CN (1) CN103322457B (zh)
WO (1) WO2014206003A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103322457B (zh) * 2013-06-26 2015-04-01 合肥京东方光电科技有限公司 一种灯条、背光模组和显示装置
CN104317088B (zh) * 2014-10-22 2017-08-11 京东方科技集团股份有限公司 一种背光模组以及显示装置
CN107272259A (zh) * 2017-07-13 2017-10-20 武汉天马微电子有限公司 一种led灯条及背光模组
CN114447254B (zh) * 2022-02-18 2024-04-05 京东方科技集团股份有限公司 一种显示模组、制作方法和显示装置
CN116540448A (zh) * 2023-03-27 2023-08-04 京东方科技集团股份有限公司 背光模组和显示装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101652020A (zh) * 2009-09-04 2010-02-17 大连九久光电科技有限公司 一种高散热电路基板及其制造方法
CN202040778U (zh) * 2011-04-12 2011-11-16 深圳Tcl新技术有限公司 背光散热结构和液晶屏
CN102255031A (zh) * 2011-06-17 2011-11-23 孙伟峰 发光二极管散热装置及其制造方法
CN202511088U (zh) * 2012-04-28 2012-10-31 惠州市经典照明电器有限公司 一种高导热led灯
CN102760704A (zh) * 2011-04-28 2012-10-31 美格纳半导体有限公司 薄膜覆晶型半导体封装
CN202546383U (zh) * 2012-03-23 2012-11-21 华勤科技集团有限公司 一种石墨衬底led灯具
CN103078052A (zh) * 2013-01-16 2013-05-01 东莞市中实创半导体照明有限公司 纳米金刚石镀膜封装基板
CN103322457A (zh) * 2013-06-26 2013-09-25 合肥京东方光电科技有限公司 一种灯条、背光模组和显示装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1599549A (zh) * 2003-09-16 2005-03-23 王松 彩色显示屏电器热源的屏蔽和散热方法
KR20070081840A (ko) * 2006-02-14 2007-08-20 삼성전자주식회사 광 발생 모듈, 이를 갖는 백라이트 어셈블리 및 표시장치
JP2008198917A (ja) * 2007-02-15 2008-08-28 Polymatech Co Ltd 熱拡散シート及びその製造方法
CN101645478A (zh) * 2008-08-08 2010-02-10 鸿富锦精密工业（深圳）有限公司 发光二极管散热结构
CN201487652U (zh) * 2009-07-31 2010-05-26 袁奕琳 一种led灯
CN201561339U (zh) * 2009-12-18 2010-08-25 京东方科技集团股份有限公司 背光模组
EP2546872A1 (en) * 2010-03-10 2013-01-16 Nitto Denko Corporation Heat insulation/heat dissipation sheet and intra-device structure
CN201672376U (zh) * 2010-04-19 2010-12-15 深圳市劲升迪龙科技发展有限公司 板上芯片方式封装的led背光源灯条
CN102537826A (zh) * 2010-12-31 2012-07-04 海洋王照明科技股份有限公司 灯具隔热罩及具有隔热罩的灯具
CN202132918U (zh) * 2011-06-24 2012-02-01 陈忠 一种提高散热性能的灯具
CN102799023B (zh) * 2012-09-11 2015-02-04 深圳市华星光电技术有限公司 液晶显示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101652020A (zh) * 2009-09-04 2010-02-17 大连九久光电科技有限公司 一种高散热电路基板及其制造方法
CN202040778U (zh) * 2011-04-12 2011-11-16 深圳Tcl新技术有限公司 背光散热结构和液晶屏
CN102760704A (zh) * 2011-04-28 2012-10-31 美格纳半导体有限公司 薄膜覆晶型半导体封装
CN102255031A (zh) * 2011-06-17 2011-11-23 孙伟峰 发光二极管散热装置及其制造方法
CN202546383U (zh) * 2012-03-23 2012-11-21 华勤科技集团有限公司 一种石墨衬底led灯具
CN202511088U (zh) * 2012-04-28 2012-10-31 惠州市经典照明电器有限公司 一种高导热led灯
CN103078052A (zh) * 2013-01-16 2013-05-01 东莞市中实创半导体照明有限公司 纳米金刚石镀膜封装基板
CN103322457A (zh) * 2013-06-26 2013-09-25 合肥京东方光电科技有限公司 一种灯条、背光模组和显示装置

Also Published As

Publication number Publication date
CN103322457A (zh) 2013-09-25
CN103322457B (zh) 2015-04-01

Similar Documents

Publication Publication Date Title
CN106461993B (zh) 光源装置和液晶显示装置
US9594208B2 (en) Backlight module and display device
CN216697668U (zh) 显示屏组件及电子设备
CN101749596B (zh) 背光单元和具有该背光单元的液晶显示设备
US9116267B2 (en) Backlight structures and assemblies for electronic device displays
CN103838036B (zh) 曲面液晶显示装置
CN204300865U (zh) 一种液晶显示装置及其背光模组
CN101779074B (zh) 光源装置及液晶显示装置
TW201409136A (zh) 背光模組之各向異性散熱
WO2018112999A1 (zh) 一种背光模组
US8384841B2 (en) Liquid crystal display module
CN103322457B (zh) 一种灯条、背光模组和显示装置
JP2010078738A (ja) 液晶表示装置
CN101424376A (zh) 用以夹持导光板的背光模块及应用此背光模块的显示装置
CN101086582B (zh) 液晶显示组件以及液晶显示装置
CN102509523A (zh) 显示模块
US10656324B2 (en) Display device
WO2015089916A1 (zh) 背光模组
JP6218611B2 (ja) バックライトおよびこれを備える表示装置
US10082620B2 (en) Backlight module and display screen
WO2019142620A1 (ja) 面光源装置、表示装置、及び電子機器
TW201348818A (zh) 背光模組及液晶顯示裝置
CN101303474A (zh) 背光模块、液晶显示装置及此液晶显示装置的制造方法
CN106163230A (zh) 显示屏模组及移动终端
JP2006208485A (ja) 液晶表示装置及び電子機器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13888502

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13888502

Country of ref document: EP

Kind code of ref document: A1